diff options
Diffstat (limited to 'contrib/libgmp/mpz')
112 files changed, 9801 insertions, 0 deletions
diff --git a/contrib/libgmp/mpz/Makefile.in b/contrib/libgmp/mpz/Makefile.in new file mode 100644 index 000000000000..497f09ca8ec4 --- /dev/null +++ b/contrib/libgmp/mpz/Makefile.in @@ -0,0 +1,180 @@ +# Makefile for GNU MP/mpz functions +# Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +# This file is part of the GNU MP Library. + +# The GNU MP Library is free software; you can redistribute it and/or modify +# it under the terms of the GNU Library General Public License as published by +# the Free Software Foundation; either version 2 of the License, or (at your +# option) any later version. + +# The GNU MP Library is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +# License for more details. + +# You should have received a copy of the GNU Library General Public License +# along with the GNU MP Library; see the file COPYING.LIB. If not, write to +# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +# MA 02111-1307, USA. + +srcdir = . + +CC = gcc + +# If you cross compile on a machine with the same sizes of the integral +# types ("int", "long int", "short int", and "char") define this as the +# local compiler. Otherwise, you need to look for the uses of LOCAL_CC below, +# and handle those cases manually. +LOCAL_CC = $(CC) +CFLAGS = -g -O +AR = ar +AR_FLAGS = rc +SHELL = /bin/sh + +#### host and target specific makefile fragments come in here. +### + +MPZ_SRCS = init.c set.c set_ui.c set_si.c set_str.c set_d.c set_f.c set_q.c \ + iset.c iset_ui.c iset_si.c iset_str.c iset_d.c clear.c \ + get_ui.c get_si.c get_str.c get_d.c size.c sizeinbase.c \ + add.c add_ui.c sub.c sub_ui.c mul.c mul_ui.c \ + gcd.c gcd_ui.c gcdext.c sqrt.c sqrtrem.c powm.c powm_ui.c \ + cmp.c cmp_ui.c cmp_si.c mul_2exp.c fdiv_q_2exp.c fdiv_r_2exp.c \ + tdiv_q_2exp.c tdiv_r_2exp.c abs.c neg.c com.c and.c ior.c \ + inp_raw.c inp_str.c out_raw.c out_str.c \ + perfsqr.c random.c random2.c pow_ui.c ui_pow_ui.c setbit.c \ + clrbit.c fac_ui.c pprime_p.c realloc.c getlimbn.c popcount.c hamdist.c \ + cdiv_qr.c cdiv_q.c cdiv_r.c cdiv_qr_ui.c cdiv_q_ui.c cdiv_r_ui.c cdiv_ui.c \ + fdiv_qr.c fdiv_q.c fdiv_r.c fdiv_qr_ui.c fdiv_q_ui.c fdiv_r_ui.c fdiv_ui.c \ + tdiv_qr.c tdiv_q.c tdiv_r.c tdiv_qr_ui.c tdiv_q_ui.c tdiv_r_ui.c \ + mod.c divexact.c array_init.c scan0.c scan1.c \ + jacobi.c legendre.c invert.c +MPZ_OBJS = init.o set.o set_ui.o set_si.o set_str.o set_d.o set_f.o set_q.o \ + iset.o iset_ui.o iset_si.o iset_str.o iset_d.o clear.o \ + get_ui.o get_si.o get_str.o get_d.o size.o sizeinbase.o \ + add.o add_ui.o sub.o sub_ui.o mul.o mul_ui.o \ + gcd.o gcd_ui.o gcdext.o sqrt.o sqrtrem.o powm.o powm_ui.o \ + cmp.o cmp_ui.o cmp_si.o mul_2exp.o fdiv_q_2exp.o fdiv_r_2exp.o \ + tdiv_q_2exp.o tdiv_r_2exp.o abs.o neg.o com.o and.o ior.o \ + inp_raw.o inp_str.o out_raw.o out_str.o \ + perfsqr.o random.o random2.o pow_ui.o ui_pow_ui.o setbit.o \ + clrbit.o fac_ui.o pprime_p.o realloc.o getlimbn.o popcount.o hamdist.o \ + cdiv_qr.o cdiv_q.o cdiv_r.o cdiv_qr_ui.o cdiv_q_ui.o cdiv_r_ui.o cdiv_ui.o \ + fdiv_qr.o fdiv_q.o fdiv_r.o fdiv_qr_ui.o fdiv_q_ui.o fdiv_r_ui.o fdiv_ui.o \ + tdiv_qr.o tdiv_q.o tdiv_r.o tdiv_qr_ui.o tdiv_q_ui.o tdiv_r_ui.o \ + mod.o divexact.o array_init.o scan0.o scan1.o \ + jacobi.o legendre.o invert.o + +INCLUDES = -I. -I.. -I../mpn -I$(srcdir)/.. + +libmpz.a: Makefile $(MPZ_OBJS) + rm -f $@ + $(AR) $(AR_FLAGS) $@ $(MPZ_OBJS) + +.c.o: + $(CC) -c $(INCLUDES) $(CFLAGS) $(XCFLAGS) $< + +clean mostlyclean: + rm -f *.o libmpz.a + -cd tests; $(MAKE) $@ +distclean maintainer-clean: clean + rm -f Makefile config.status + -cd tests; $(MAKE) $@ + +Makefile: $(srcdir)/Makefile.in + $(SHELL) ./config.status + +H = $(srcdir)/../gmp.h $(srcdir)/../gmp-impl.h ../mpn/gmp-mparam.h + +abs.o: $(srcdir)/abs.c $(H) +add.o: $(srcdir)/add.c $(H) +add_ui.o: $(srcdir)/add_ui.c $(H) +and.o: $(srcdir)/and.c $(H) +array_init.o: $(srcdir)/array_init.c $(H) +cdiv_q.o: $(srcdir)/cdiv_q.c $(H) +cdiv_q_ui.o: $(srcdir)/cdiv_q_ui.c $(H) +cdiv_qr.o: $(srcdir)/cdiv_qr.c $(H) +cdiv_qr_ui.o: $(srcdir)/cdiv_qr_ui.c $(H) +cdiv_r.o: $(srcdir)/cdiv_r.c $(H) +cdiv_r_ui.o: $(srcdir)/cdiv_r_ui.c $(H) +cdiv_ui.o: $(srcdir)/cdiv_ui.c $(H) +clear.o: $(srcdir)/clear.c $(H) +clrbit.o: $(srcdir)/clrbit.c $(H) +cmp.o: $(srcdir)/cmp.c $(H) +cmp_si.o: $(srcdir)/cmp_si.c $(H) +cmp_ui.o: $(srcdir)/cmp_ui.c $(H) +com.o: $(srcdir)/com.c $(H) +fdiv_q_2exp.o: $(srcdir)/fdiv_q_2exp.c $(H) +fdiv_r_2exp.o: $(srcdir)/fdiv_r_2exp.c $(H) +divexact.o: $(srcdir)/divexact.c $(H) $(srcdir)/../longlong.h +fac_ui.o: $(srcdir)/fac_ui.c $(H) $(srcdir)/../longlong.h +fdiv_q.o: $(srcdir)/fdiv_q.c $(H) +fdiv_q_ui.o: $(srcdir)/fdiv_q_ui.c $(H) +fdiv_qr.o: $(srcdir)/fdiv_qr.c $(H) +fdiv_qr_ui.o: $(srcdir)/fdiv_qr_ui.c $(H) +fdiv_r.o: $(srcdir)/fdiv_r.c $(H) +fdiv_r_ui.o: $(srcdir)/fdiv_r_ui.c $(H) +fdiv_ui.o: $(srcdir)/fdiv_ui.c $(H) +gcd.o: $(srcdir)/gcd.c $(H) $(srcdir)/../longlong.h +gcd_ui.o: $(srcdir)/gcd_ui.c $(H) +gcdext.o: $(srcdir)/gcdext.c $(H) +get_d.o: $(srcdir)/get_d.c $(H) +get_si.o: $(srcdir)/get_si.c $(H) +get_str.o: $(srcdir)/get_str.c $(H) +get_ui.o: $(srcdir)/get_ui.c $(H) +getlimbn.o: $(srcdir)/getlimbn.c $(H) +hamdist.o: $(srcdir)/hamdist.c $(H) +init.o: $(srcdir)/init.c $(H) +inp_raw.o: $(srcdir)/inp_raw.c $(H) +inp_str.o: $(srcdir)/inp_str.c $(H) +invert.o: $(srcdir)/invert.c $(H) +ior.o: $(srcdir)/ior.c $(H) +iset.o: $(srcdir)/iset.c $(H) +iset_d.o: $(srcdir)/iset_d.c $(H) +iset_si.o: $(srcdir)/iset_si.c $(H) +iset_str.o: $(srcdir)/iset_str.c $(H) +iset_ui.o: $(srcdir)/iset_ui.c $(H) +jacobi.o: $(srcdir)/jacobi.c $(H) +legendre.o: $(srcdir)/legendre.c $(H) +mod.o: $(srcdir)/mod.c $(H) +tdiv_q_2exp.o: $(srcdir)/tdiv_q_2exp.c $(H) +tdiv_r_2exp.o: $(srcdir)/tdiv_r_2exp.c $(H) +mul.o: $(srcdir)/mul.c $(H) +mul_2exp.o: $(srcdir)/mul_2exp.c $(H) +mul_ui.o: $(srcdir)/mul_ui.c $(H) +neg.o: $(srcdir)/neg.c $(H) +out_raw.o: $(srcdir)/out_raw.c $(H) +out_str.o: $(srcdir)/out_str.c $(H) +perfsqr.o: $(srcdir)/perfsqr.c $(H) +popcount.o: $(srcdir)/popcount.c $(H) +pow_ui.o: $(srcdir)/pow_ui.c $(H) $(srcdir)/../longlong.h +powm.o: $(srcdir)/powm.c $(H) $(srcdir)/../longlong.h +powm_ui.o: $(srcdir)/powm_ui.c $(H) $(srcdir)/../longlong.h +pprime_p.o: $(srcdir)/pprime_p.c $(H) +random.o: $(srcdir)/random.c $(H) $(srcdir)/../urandom.h +random2.o: $(srcdir)/random2.c $(H) +realloc.o: $(srcdir)/realloc.c $(H) +scan0.o: $(srcdir)/scan0.c $(H) +scan1.o: $(srcdir)/scan1.c $(H) +set.o: $(srcdir)/set.c $(H) +set_d.o: $(srcdir)/set_d.c $(H) +set_f.o: $(srcdir)/set_f.c $(H) +set_q.o: $(srcdir)/set_q.c $(H) +set_si.o: $(srcdir)/set_si.c $(H) +set_str.o: $(srcdir)/set_str.c $(H) $(srcdir)/../longlong.h +set_ui.o: $(srcdir)/set_ui.c $(H) +setbit.o: $(srcdir)/setbit.c $(H) +size.o: $(srcdir)/size.c $(H) +sizeinbase.o: $(srcdir)/sizeinbase.c $(H) $(srcdir)/../longlong.h +sqrt.o: $(srcdir)/sqrt.c $(H) +sqrtrem.o: $(srcdir)/sqrtrem.c $(H) +sub.o: $(srcdir)/sub.c $(H) +sub_ui.o: $(srcdir)/sub_ui.c $(H) +tdiv_q.o: $(srcdir)/tdiv_q.c $(H) $(srcdir)/../longlong.h +tdiv_q_ui.o: $(srcdir)/tdiv_q_ui.c $(H) +tdiv_qr.o: $(srcdir)/tdiv_qr.c $(H) $(srcdir)/../longlong.h $(srcdir)/dmincl.c $(H) +tdiv_qr_ui.o: $(srcdir)/tdiv_qr_ui.c $(H) +tdiv_r.o: $(srcdir)/tdiv_r.c $(H) $(srcdir)/../longlong.h $(srcdir)/dmincl.c $(H) +tdiv_r_ui.o: $(srcdir)/tdiv_r_ui.c $(H) +ui_pow_ui.o: $(srcdir)/ui_pow_ui.c $(H) $(srcdir)/../longlong.h diff --git a/contrib/libgmp/mpz/abs.c b/contrib/libgmp/mpz/abs.c new file mode 100644 index 000000000000..080cac60aa25 --- /dev/null +++ b/contrib/libgmp/mpz/abs.c @@ -0,0 +1,51 @@ +/* mpz_abs(dst, src) -- Assign the absolute value of SRC to DST. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_abs (mpz_ptr w, mpz_srcptr u) +#else +mpz_abs (w, u) + mpz_ptr w; + mpz_srcptr u; +#endif +{ + mp_ptr wp, up; + mp_size_t size; + + size = ABS (u->_mp_size); + + if (u != w) + { + if (w->_mp_alloc < size) + _mpz_realloc (w, size); + + wp = w->_mp_d; + up = u->_mp_d; + + MPN_COPY (wp, up, size); + } + + w->_mp_size = size; +} diff --git a/contrib/libgmp/mpz/add.c b/contrib/libgmp/mpz/add.c new file mode 100644 index 000000000000..10dd9704c2f4 --- /dev/null +++ b/contrib/libgmp/mpz/add.c @@ -0,0 +1,120 @@ +/* mpz_add -- Add two integers. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +#ifndef BERKELEY_MP +void +#if __STDC__ +mpz_add (mpz_ptr w, mpz_srcptr u, mpz_srcptr v) +#else +mpz_add (w, u, v) + mpz_ptr w; + mpz_srcptr u; + mpz_srcptr v; +#endif +#else /* BERKELEY_MP */ +void +#if __STDC__ +madd (mpz_srcptr u, mpz_srcptr v, mpz_ptr w) +#else +madd (u, v, w) + mpz_srcptr u; + mpz_srcptr v; + mpz_ptr w; +#endif +#endif /* BERKELEY_MP */ +{ + mp_srcptr up, vp; + mp_ptr wp; + mp_size_t usize, vsize, wsize; + mp_size_t abs_usize; + mp_size_t abs_vsize; + + usize = u->_mp_size; + vsize = v->_mp_size; + abs_usize = ABS (usize); + abs_vsize = ABS (vsize); + + if (abs_usize < abs_vsize) + { + /* Swap U and V. */ + {const __mpz_struct *t = u; u = v; v = t;} + {mp_size_t t = usize; usize = vsize; vsize = t;} + {mp_size_t t = abs_usize; abs_usize = abs_vsize; abs_vsize = t;} + } + + /* True: ABS_USIZE >= ABS_VSIZE. */ + + /* If not space for w (and possible carry), increase space. */ + wsize = abs_usize + 1; + if (w->_mp_alloc < wsize) + _mpz_realloc (w, wsize); + + /* These must be after realloc (u or v may be the same as w). */ + up = u->_mp_d; + vp = v->_mp_d; + wp = w->_mp_d; + + if ((usize ^ vsize) < 0) + { + /* U and V have different sign. Need to compare them to determine + which operand to subtract from which. */ + + /* This test is right since ABS_USIZE >= ABS_VSIZE. */ + if (abs_usize != abs_vsize) + { + mpn_sub (wp, up, abs_usize, vp, abs_vsize); + wsize = abs_usize; + MPN_NORMALIZE (wp, wsize); + if (usize < 0) + wsize = -wsize; + } + else if (mpn_cmp (up, vp, abs_usize) < 0) + { + mpn_sub_n (wp, vp, up, abs_usize); + wsize = abs_usize; + MPN_NORMALIZE (wp, wsize); + if (usize >= 0) + wsize = -wsize; + } + else + { + mpn_sub_n (wp, up, vp, abs_usize); + wsize = abs_usize; + MPN_NORMALIZE (wp, wsize); + if (usize < 0) + wsize = -wsize; + } + } + else + { + /* U and V have same sign. Add them. */ + mp_limb_t cy_limb = mpn_add (wp, up, abs_usize, vp, abs_vsize); + wp[abs_usize] = cy_limb; + wsize = abs_usize + cy_limb; + if (usize < 0) + wsize = -wsize; + } + + w->_mp_size = wsize; +} diff --git a/contrib/libgmp/mpz/add_ui.c b/contrib/libgmp/mpz/add_ui.c new file mode 100644 index 000000000000..a1e430631970 --- /dev/null +++ b/contrib/libgmp/mpz/add_ui.c @@ -0,0 +1,84 @@ +/* mpz_add_ui -- Add an mpz_t and an unsigned one-word integer. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_add_ui (mpz_ptr w, mpz_srcptr u, unsigned long int v) +#else +mpz_add_ui (w, u, v) + mpz_ptr w; + mpz_srcptr u; + unsigned long int v; +#endif +{ + mp_srcptr up; + mp_ptr wp; + mp_size_t usize, wsize; + mp_size_t abs_usize; + + usize = u->_mp_size; + abs_usize = ABS (usize); + + /* If not space for W (and possible carry), increase space. */ + wsize = abs_usize + 1; + if (w->_mp_alloc < wsize) + _mpz_realloc (w, wsize); + + /* These must be after realloc (U may be the same as W). */ + up = u->_mp_d; + wp = w->_mp_d; + + if (abs_usize == 0) + { + wp[0] = v; + w->_mp_size = v != 0; + return; + } + + if (usize >= 0) + { + mp_limb_t cy; + cy = mpn_add_1 (wp, up, abs_usize, v); + wp[abs_usize] = cy; + wsize = abs_usize + cy; + } + else + { + /* The signs are different. Need exact comparison to determine + which operand to subtract from which. */ + if (abs_usize == 1 && up[0] < v) + { + wp[0] = v - up[0]; + wsize = 1; + } + else + { + mpn_sub_1 (wp, up, abs_usize, v); + /* Size can decrease with at most one limb. */ + wsize = -(abs_usize - (wp[abs_usize - 1] == 0)); + } + } + + w->_mp_size = wsize; +} diff --git a/contrib/libgmp/mpz/and.c b/contrib/libgmp/mpz/and.c new file mode 100644 index 000000000000..838d4b1db16f --- /dev/null +++ b/contrib/libgmp/mpz/and.c @@ -0,0 +1,278 @@ +/* mpz_and -- Logical and. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_and (mpz_ptr res, mpz_srcptr op1, mpz_srcptr op2) +#else +mpz_and (res, op1, op2) + mpz_ptr res; + mpz_srcptr op1; + mpz_srcptr op2; +#endif +{ + mp_srcptr op1_ptr, op2_ptr; + mp_size_t op1_size, op2_size; + mp_ptr res_ptr; + mp_size_t res_size; + mp_size_t i; + TMP_DECL (marker); + + TMP_MARK (marker); + op1_size = op1->_mp_size; + op2_size = op2->_mp_size; + + op1_ptr = op1->_mp_d; + op2_ptr = op2->_mp_d; + res_ptr = res->_mp_d; + + if (op1_size >= 0) + { + if (op2_size >= 0) + { + res_size = MIN (op1_size, op2_size); + /* First loop finds the size of the result. */ + for (i = res_size - 1; i >= 0; i--) + if ((op1_ptr[i] & op2_ptr[i]) != 0) + break; + res_size = i + 1; + + /* Handle allocation, now then we know exactly how much space is + needed for the result. */ + if (res->_mp_alloc < res_size) + { + _mpz_realloc (res, res_size); + op1_ptr = op1->_mp_d; + op2_ptr = op2->_mp_d; + res_ptr = res->_mp_d; + } + + /* Second loop computes the real result. */ + for (i = res_size - 1; i >= 0; i--) + res_ptr[i] = op1_ptr[i] & op2_ptr[i]; + + res->_mp_size = res_size; + return; + } + else /* op2_size < 0 */ + { + /* Fall through to the code at the end of the function. */ + } + } + else + { + if (op2_size < 0) + { + mp_ptr opx; + mp_limb_t cy; + mp_size_t res_alloc; + + /* Both operands are negative, so will be the result. + -((-OP1) & (-OP2)) = -(~(OP1 - 1) & ~(OP2 - 1)) = + = ~(~(OP1 - 1) & ~(OP2 - 1)) + 1 = + = ((OP1 - 1) | (OP2 - 1)) + 1 */ + + /* It might seem as we could end up with an (invalid) result with + a leading zero-limb here when one of the operands is of the + type 1,,0,,..,,.0. But some analysis shows that we surely + would get carry into the zero-limb in this situation... */ + + op1_size = -op1_size; + op2_size = -op2_size; + + res_alloc = 1 + MAX (op1_size, op2_size); + + opx = (mp_ptr) TMP_ALLOC (op1_size * BYTES_PER_MP_LIMB); + mpn_sub_1 (opx, op1_ptr, op1_size, (mp_limb_t) 1); + op1_ptr = opx; + + opx = (mp_ptr) TMP_ALLOC (op2_size * BYTES_PER_MP_LIMB); + mpn_sub_1 (opx, op2_ptr, op2_size, (mp_limb_t) 1); + op2_ptr = opx; + + if (res->_mp_alloc < res_alloc) + { + _mpz_realloc (res, res_alloc); + res_ptr = res->_mp_d; + /* Don't re-read OP1_PTR and OP2_PTR. They point to + temporary space--never to the space RES->_mp_D used + to point to before reallocation. */ + } + + if (op1_size >= op2_size) + { + MPN_COPY (res_ptr + op2_size, op1_ptr + op2_size, + op1_size - op2_size); + for (i = op2_size - 1; i >= 0; i--) + res_ptr[i] = op1_ptr[i] | op2_ptr[i]; + res_size = op1_size; + } + else + { + MPN_COPY (res_ptr + op1_size, op2_ptr + op1_size, + op2_size - op1_size); + for (i = op1_size - 1; i >= 0; i--) + res_ptr[i] = op1_ptr[i] | op2_ptr[i]; + res_size = op2_size; + } + + cy = mpn_add_1 (res_ptr, res_ptr, res_size, (mp_limb_t) 1); + if (cy) + { + res_ptr[res_size] = cy; + res_size++; + } + + res->_mp_size = -res_size; + TMP_FREE (marker); + return; + } + else + { + /* We should compute -OP1 & OP2. Swap OP1 and OP2 and fall + through to the code that handles OP1 & -OP2. */ + {mpz_srcptr t = op1; op1 = op2; op2 = t;} + {mp_srcptr t = op1_ptr; op1_ptr = op2_ptr; op2_ptr = t;} + {mp_size_t t = op1_size; op1_size = op2_size; op2_size = t;} + } + + } + + { +#if ANDNEW + mp_size_t op2_lim; + mp_size_t count; + + /* OP2 must be negated as with infinite precision. + + Scan from the low end for a non-zero limb. The first non-zero + limb is simply negated (two's complement). Any subsequent + limbs are one's complemented. Of course, we don't need to + handle more limbs than there are limbs in the other, positive + operand as the result for those limbs is going to become zero + anyway. */ + + /* Scan for the least significant. non-zero OP2 limb, and zero the + result meanwhile for those limb positions. (We will surely + find a non-zero limb, so we can write the loop with one + termination condition only.) */ + for (i = 0; op2_ptr[i] == 0; i++) + res_ptr[i] = 0; + op2_lim = i; + + op2_size = -op2_size; + + if (op1_size <= op2_size) + { + /* The ones-extended OP2 is >= than the zero-extended OP1. + RES_SIZE <= OP1_SIZE. Find the exact size. */ + for (i = op1_size - 1; i > op2_lim; i--) + if ((op1_ptr[i] & ~op2_ptr[i]) != 0) + break; + res_size = i + 1; + for (i = res_size - 1; i > op2_lim; i--) + res_ptr[i] = op1_ptr[i] & ~op2_ptr[i]; + res_ptr[op2_lim] = op1_ptr[op2_lim] & -op2_ptr[op2_lim]; + /* Yes, this *can* happen! */ + MPN_NORMALIZE (res_ptr, res_size); + } + else + { + /* The ones-extended OP2 is < than the zero-extended OP1. + RES_SIZE == OP1_SIZE, since OP1 is normalized. */ + res_size = op1_size; + MPN_COPY (res_ptr + op2_size, op1_ptr + op2_size, op1_size - op2_size); + for (i = op2_size - 1; i > op2_lim; i--) + res_ptr[i] = op1_ptr[i] & ~op2_ptr[i]; + res_ptr[op2_lim] = op1_ptr[op2_lim] & -op2_ptr[op2_lim]; + } + + res->_mp_size = res_size; +#else + + /* OP1 is positive and zero-extended, + OP2 is negative and ones-extended. + The result will be positive. + OP1 & -OP2 = OP1 & ~(OP2 - 1). */ + + mp_ptr opx; + + op2_size = -op2_size; + opx = (mp_ptr) TMP_ALLOC (op2_size * BYTES_PER_MP_LIMB); + mpn_sub_1 (opx, op2_ptr, op2_size, (mp_limb_t) 1); + op2_ptr = opx; + + if (op1_size > op2_size) + { + /* The result has the same size as OP1, since OP1 is normalized + and longer than the ones-extended OP2. */ + res_size = op1_size; + + /* Handle allocation, now then we know exactly how much space is + needed for the result. */ + if (res->_mp_alloc < res_size) + { + _mpz_realloc (res, res_size); + res_ptr = res->_mp_d; + op1_ptr = op1->_mp_d; + /* Don't re-read OP2_PTR. It points to temporary space--never + to the space RES->_mp_D used to point to before reallocation. */ + } + + MPN_COPY (res_ptr + op2_size, op1_ptr + op2_size, + res_size - op2_size); + for (i = op2_size - 1; i >= 0; i--) + res_ptr[i] = op1_ptr[i] & ~op2_ptr[i]; + + res->_mp_size = res_size; + } + else + { + /* Find out the exact result size. Ignore the high limbs of OP2, + OP1 is zero-extended and would make the result zero. */ + for (i = op1_size - 1; i >= 0; i--) + if ((op1_ptr[i] & ~op2_ptr[i]) != 0) + break; + res_size = i + 1; + + /* Handle allocation, now then we know exactly how much space is + needed for the result. */ + if (res->_mp_alloc < res_size) + { + _mpz_realloc (res, res_size); + res_ptr = res->_mp_d; + op1_ptr = op1->_mp_d; + /* Don't re-read OP2_PTR. It points to temporary space--never + to the space RES->_mp_D used to point to before reallocation. */ + } + + for (i = res_size - 1; i >= 0; i--) + res_ptr[i] = op1_ptr[i] & ~op2_ptr[i]; + + res->_mp_size = res_size; + } +#endif + } + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/array_init.c b/contrib/libgmp/mpz/array_init.c new file mode 100644 index 000000000000..8b2e85c90baf --- /dev/null +++ b/contrib/libgmp/mpz/array_init.c @@ -0,0 +1,48 @@ +/* mpz_array_init (array, array_size, size_per_elem) -- + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_array_init (mpz_ptr arr, mp_size_t arr_size, mp_size_t nbits) +#else +mpz_array_init (arr, arr_size, nbits) + mpz_ptr arr; + mp_size_t arr_size; + mp_size_t nbits; +#endif +{ + register mp_ptr p; + register size_t i; + mp_size_t nlimbs; + + nlimbs = (nbits + BITS_PER_MP_LIMB - 1) / BITS_PER_MP_LIMB; + p = (mp_ptr) (*_mp_allocate_func) (arr_size * nlimbs * BYTES_PER_MP_LIMB); + + for (i = 0; i < arr_size; i++) + { + arr[i]._mp_alloc = nlimbs + 1; /* Yes, lie a little... */ + arr[i]._mp_size = 0; + arr[i]._mp_d = p + i * nlimbs; + } +} diff --git a/contrib/libgmp/mpz/cdiv_q.c b/contrib/libgmp/mpz/cdiv_q.c new file mode 100644 index 000000000000..860a232f0535 --- /dev/null +++ b/contrib/libgmp/mpz/cdiv_q.c @@ -0,0 +1,51 @@ +/* mpz_cdiv_q -- Division rounding the quotient towards +infinity. The + remainder gets the opposite sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_cdiv_q (mpz_ptr quot, mpz_srcptr dividend, mpz_srcptr divisor) +#else +mpz_cdiv_q (quot, dividend, divisor) + mpz_ptr quot; + mpz_srcptr dividend; + mpz_srcptr divisor; +#endif +{ + mp_size_t dividend_size = dividend->_mp_size; + mp_size_t divisor_size = divisor->_mp_size; + mpz_t rem; + TMP_DECL (marker); + + TMP_MARK (marker); + + MPZ_TMP_INIT (rem, 1 + ABS (dividend_size)); + + mpz_tdiv_qr (quot, rem, dividend, divisor); + + if ((divisor_size ^ dividend_size) >= 0 && rem->_mp_size != 0) + mpz_add_ui (quot, quot, 1L); + + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/cdiv_q_ui.c b/contrib/libgmp/mpz/cdiv_q_ui.c new file mode 100644 index 000000000000..7b6cfd7af8e4 --- /dev/null +++ b/contrib/libgmp/mpz/cdiv_q_ui.c @@ -0,0 +1,64 @@ +/* mpz_cdiv_q_ui -- Division rounding the quotient towards +infinity. The + remainder gets the opposite sign as the denominator. In order to make it + always fit into the return type, the negative of the true remainder is + returned. + +Copyright (C) 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_cdiv_q_ui (mpz_ptr quot, mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_cdiv_q_ui (quot, dividend, divisor) + mpz_ptr quot; + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_ptr quot_ptr; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + if (quot->_mp_alloc < size) + _mpz_realloc (quot, size); + + quot_ptr = quot->_mp_d; + + remainder_limb = mpn_divmod_1 (quot_ptr, dividend->_mp_d, size, + (mp_limb_t) divisor); + + if (remainder_limb != 0 && dividend_size >= 0) + { + mpn_add_1 (quot_ptr, quot_ptr, size, (mp_limb_t) 1); + remainder_limb = divisor - remainder_limb; + } + + size -= size != 0 && quot_ptr[size - 1] == 0; + quot->_mp_size = dividend_size >= 0 ? size : -size; + + return remainder_limb; +} diff --git a/contrib/libgmp/mpz/cdiv_qr.c b/contrib/libgmp/mpz/cdiv_qr.c new file mode 100644 index 000000000000..bf7d6dacb1f2 --- /dev/null +++ b/contrib/libgmp/mpz/cdiv_qr.c @@ -0,0 +1,62 @@ +/* mpz_cdiv_qr -- Division rounding the quotient towards +infinity. The + remainder gets the opposite sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_cdiv_qr (mpz_ptr quot, mpz_ptr rem, mpz_srcptr dividend, mpz_srcptr divisor) +#else +mpz_cdiv_qr (quot, rem, dividend, divisor) + mpz_ptr quot; + mpz_ptr rem; + mpz_srcptr dividend; + mpz_srcptr divisor; +#endif +{ + mp_size_t divisor_size = divisor->_mp_size; + mpz_t temp_divisor; /* N.B.: lives until function returns! */ + TMP_DECL (marker); + + TMP_MARK (marker); + + /* We need the original value of the divisor after the quotient and + remainder have been preliminary calculated. We have to copy it to + temporary space if it's the same variable as either QUOT or REM. */ + if (quot == divisor || rem == divisor) + { + MPZ_TMP_INIT (temp_divisor, ABS (divisor_size)); + mpz_set (temp_divisor, divisor); + divisor = temp_divisor; + } + + mpz_tdiv_qr (quot, rem, dividend, divisor); + + if ((divisor_size ^ dividend->_mp_size) >= 0 && rem->_mp_size != 0) + { + mpz_add_ui (quot, quot, 1L); + mpz_sub (rem, rem, divisor); + } + + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/cdiv_qr_ui.c b/contrib/libgmp/mpz/cdiv_qr_ui.c new file mode 100644 index 000000000000..a780e772ecd0 --- /dev/null +++ b/contrib/libgmp/mpz/cdiv_qr_ui.c @@ -0,0 +1,68 @@ +/* mpz_cdiv_qr_ui -- Division rounding the quotient towards +infinity. The + remainder gets the opposite sign as the denominator. In order to make it + always fit into the return type, the negative of the true remainder is + returned. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_cdiv_qr_ui (mpz_ptr quot, mpz_ptr rem, mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_cdiv_qr_ui (quot, rem, dividend, divisor) + mpz_ptr quot; + mpz_ptr rem; + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_ptr quot_ptr; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + if (quot->_mp_alloc < size) + _mpz_realloc (quot, size); + + quot_ptr = quot->_mp_d; + + remainder_limb = mpn_divmod_1 (quot_ptr, dividend->_mp_d, size, + (mp_limb_t) divisor); + + if (remainder_limb != 0 && dividend_size >= 0) + { + mpn_add_1 (quot_ptr, quot_ptr, size, (mp_limb_t) 1); + remainder_limb = divisor - remainder_limb; + } + + size -= size != 0 && quot_ptr[size - 1] == 0; + quot->_mp_size = dividend_size >= 0 ? size : -size; + + rem->_mp_d[0] = remainder_limb; + rem->_mp_size = -(remainder_limb != 0); + + return remainder_limb; +} diff --git a/contrib/libgmp/mpz/cdiv_r.c b/contrib/libgmp/mpz/cdiv_r.c new file mode 100644 index 000000000000..d34d138ce786 --- /dev/null +++ b/contrib/libgmp/mpz/cdiv_r.c @@ -0,0 +1,59 @@ +/* mpz_cdiv_r -- Division rounding the quotient towards +infinity. The + remainder gets the opposite sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_cdiv_r (mpz_ptr rem, mpz_srcptr dividend, mpz_srcptr divisor) +#else +mpz_cdiv_r (rem, dividend, divisor) + mpz_ptr rem; + mpz_srcptr dividend; + mpz_srcptr divisor; +#endif +{ + mp_size_t divisor_size = divisor->_mp_size; + mpz_t temp_divisor; /* N.B.: lives until function returns! */ + TMP_DECL (marker); + + TMP_MARK (marker); + + /* We need the original value of the divisor after the remainder has been + preliminary calculated. We have to copy it to temporary space if it's + the same variable as REM. */ + if (rem == divisor) + { + + MPZ_TMP_INIT (temp_divisor, ABS (divisor_size)); + mpz_set (temp_divisor, divisor); + divisor = temp_divisor; + } + + mpz_tdiv_r (rem, dividend, divisor); + + if ((divisor_size ^ dividend->_mp_size) >= 0 && rem->_mp_size != 0) + mpz_sub (rem, rem, divisor); + + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/cdiv_r_ui.c b/contrib/libgmp/mpz/cdiv_r_ui.c new file mode 100644 index 000000000000..757a3f5f7ba4 --- /dev/null +++ b/contrib/libgmp/mpz/cdiv_r_ui.c @@ -0,0 +1,54 @@ +/* mpz_cdiv_r_ui -- Division rounding the quotient towards +infinity. The + remainder gets the opposite sign as the denominator. In order to make it + always fit into the return type, the negative of the true remainder is + returned. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_cdiv_r_ui (mpz_ptr rem, mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_cdiv_r_ui (rem, dividend, divisor) + mpz_ptr rem; + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + remainder_limb = mpn_mod_1 (dividend->_mp_d, size, (mp_limb_t) divisor); + + if (remainder_limb != 0 && dividend_size >= 0) + remainder_limb = divisor - remainder_limb; + + rem->_mp_d[0] = remainder_limb; + rem->_mp_size = -(remainder_limb != 0); + + return remainder_limb; +} diff --git a/contrib/libgmp/mpz/cdiv_ui.c b/contrib/libgmp/mpz/cdiv_ui.c new file mode 100644 index 000000000000..df841ede8851 --- /dev/null +++ b/contrib/libgmp/mpz/cdiv_ui.c @@ -0,0 +1,50 @@ +/* mpz_cdiv_ui -- Division rounding the quotient towards +infinity. The + remainder gets the opposite sign as the denominator. In order to make it + always fit into the return type, the negative of the true remainder is + returned. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_cdiv_ui (mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_cdiv_ui (dividend, divisor) + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + remainder_limb = mpn_mod_1 (dividend->_mp_d, size, (mp_limb_t) divisor); + + if (remainder_limb != 0 && dividend_size >= 0) + remainder_limb = divisor - remainder_limb; + + return remainder_limb; +} diff --git a/contrib/libgmp/mpz/clear.c b/contrib/libgmp/mpz/clear.c new file mode 100644 index 000000000000..00f3cfdc62ec --- /dev/null +++ b/contrib/libgmp/mpz/clear.c @@ -0,0 +1,35 @@ +/* mpz_clear -- de-allocate the space occupied by the dynamic digit space of + an integer. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_clear (mpz_ptr m) +#else +mpz_clear (m) + mpz_ptr m; +#endif +{ + (*_mp_free_func) (m->_mp_d, m->_mp_alloc * BYTES_PER_MP_LIMB); +} diff --git a/contrib/libgmp/mpz/clrbit.c b/contrib/libgmp/mpz/clrbit.c new file mode 100644 index 000000000000..59d956535831 --- /dev/null +++ b/contrib/libgmp/mpz/clrbit.c @@ -0,0 +1,114 @@ +/* mpz_clrbit -- clear a specified bit. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_clrbit (mpz_ptr d, unsigned long int bit_index) +#else +mpz_clrbit (d, bit_index) + mpz_ptr d; + unsigned long int bit_index; +#endif +{ + mp_size_t dsize = d->_mp_size; + mp_ptr dp = d->_mp_d; + mp_size_t limb_index; + + limb_index = bit_index / BITS_PER_MP_LIMB; + if (dsize >= 0) + { + if (limb_index < dsize) + { + dp[limb_index] &= ~((mp_limb_t) 1 << (bit_index % BITS_PER_MP_LIMB)); + MPN_NORMALIZE (dp, dsize); + d->_mp_size = dsize; + } + else + ; + } + else + { + mp_size_t zero_bound; + + /* Simulate two's complement arithmetic, i.e. simulate + 1. Set OP = ~(OP - 1) [with infinitely many leading ones]. + 2. clear the bit. + 3. Set OP = ~OP + 1. */ + + dsize = -dsize; + + /* No upper bound on this loop, we're sure there's a non-zero limb + sooner ot later. */ + for (zero_bound = 0; ; zero_bound++) + if (dp[zero_bound] != 0) + break; + + if (limb_index > zero_bound) + { + if (limb_index < dsize) + dp[limb_index] |= (mp_limb_t) 1 << (bit_index % BITS_PER_MP_LIMB); + else + { + /* Ugh. The bit should be cleared outside of the end of the + number. We have to increase the size of the number. */ + if (d->_mp_alloc < limb_index + 1) + { + _mpz_realloc (d, limb_index + 1); + dp = d->_mp_d; + } + MPN_ZERO (dp + dsize, limb_index - dsize); + dp[limb_index] = (mp_limb_t) 1 << (bit_index % BITS_PER_MP_LIMB); + d->_mp_size = -(limb_index + 1); + } + } + else if (limb_index == zero_bound) + { + dp[limb_index] = ((dp[limb_index] - 1) + | ((mp_limb_t) 1 << (bit_index % BITS_PER_MP_LIMB))) + 1; + if (dp[limb_index] == 0) + { + mp_size_t i; + for (i = limb_index + 1; i < dsize; i++) + { + dp[i] += 1; + if (dp[i] != 0) + goto fin; + } + /* We got carry all way out beyond the end of D. Increase + its size (and allocation if necessary). */ + dsize++; + if (d->_mp_alloc < dsize) + { + _mpz_realloc (d, dsize); + dp = d->_mp_d; + } + dp[i] = 1; + d->_mp_size = -dsize; + fin:; + } + } + else + ; + } +} diff --git a/contrib/libgmp/mpz/cmp.c b/contrib/libgmp/mpz/cmp.c new file mode 100644 index 000000000000..37be3349a6a1 --- /dev/null +++ b/contrib/libgmp/mpz/cmp.c @@ -0,0 +1,75 @@ +/* mpz_cmp(u,v) -- Compare U, V. Return postive, zero, or negative + based on if U > V, U == V, or U < V. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#ifdef BERKELEY_MP +#include "mp.h" +#endif +#include "gmp.h" +#include "gmp-impl.h" + +#ifndef BERKELEY_MP +int +#if __STDC__ +mpz_cmp (mpz_srcptr u, mpz_srcptr v) +#else +mpz_cmp (u, v) + mpz_srcptr u; + mpz_srcptr v; +#endif +#else /* BERKELEY_MP */ +int +#if __STDC__ +mcmp (mpz_srcptr u, mpz_srcptr v) +#else +mcmp (u, v) + mpz_srcptr u; + mpz_srcptr v; +#endif +#endif /* BERKELEY_MP */ +{ + mp_size_t usize = u->_mp_size; + mp_size_t vsize = v->_mp_size; + mp_size_t size; + mp_srcptr up, vp; + int cmp; + + if (usize != vsize) + return usize - vsize; + + if (usize == 0) + return 0; + + size = ABS (usize); + + up = u->_mp_d; + vp = v->_mp_d; + + cmp = mpn_cmp (up, vp, size); + + if (cmp == 0) + return 0; + + if ((cmp < 0) == (usize < 0)) + return 1; + else + return -1; +} diff --git a/contrib/libgmp/mpz/cmp_si.c b/contrib/libgmp/mpz/cmp_si.c new file mode 100644 index 000000000000..8063fd386e34 --- /dev/null +++ b/contrib/libgmp/mpz/cmp_si.c @@ -0,0 +1,66 @@ +/* mpz_cmp_si(u,v) -- Compare an integer U with a single-word int V. + Return positive, zero, or negative based on if U > V, U == V, or U < V. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +/* gmp.h defines a macro for mpz_cmp_si. */ +#undef mpz_cmp_si + +int +#if __STDC__ +mpz_cmp_si (mpz_srcptr u, signed long int v_digit) +#else +mpz_cmp_si (u, v_digit) + mpz_srcptr u; + signed long int v_digit; +#endif +{ + mp_size_t usize = u->_mp_size; + mp_size_t vsize; + mp_limb_t u_digit; + + vsize = 0; + if (v_digit > 0) + vsize = 1; + else if (v_digit < 0) + { + vsize = -1; + v_digit = -v_digit; + } + + if (usize != vsize) + return usize - vsize; + + if (usize == 0) + return 0; + + u_digit = u->_mp_d[0]; + + if (u_digit == v_digit) + return 0; + + if (u_digit > v_digit) + return usize; + else + return -usize; +} diff --git a/contrib/libgmp/mpz/cmp_ui.c b/contrib/libgmp/mpz/cmp_ui.c new file mode 100644 index 000000000000..1a50b96e1ac9 --- /dev/null +++ b/contrib/libgmp/mpz/cmp_ui.c @@ -0,0 +1,56 @@ +/* mpz_cmp_ui.c -- Compare a mpz_t a with an mp_limb_t b. Return positive, + zero, or negative based on if a > b, a == b, or a < b. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +/* gmp.h defines a macro for mpz_cmp_ui. */ +#undef mpz_cmp_ui + +int +#if __STDC__ +mpz_cmp_ui (mpz_srcptr u, unsigned long int v_digit) +#else +mpz_cmp_ui (u, v_digit) + mpz_srcptr u; + unsigned long int v_digit; +#endif +{ + mp_size_t usize = u->_mp_size; + + if (usize == 0) + return -(v_digit != 0); + + if (usize == 1) + { + mp_limb_t u_digit; + + u_digit = u->_mp_d[0]; + if (u_digit > v_digit) + return 1; + if (u_digit < v_digit) + return -1; + return 0; + } + + return (usize > 0) ? 1 : -1; +} diff --git a/contrib/libgmp/mpz/com.c b/contrib/libgmp/mpz/com.c new file mode 100644 index 000000000000..559f2b6b2b03 --- /dev/null +++ b/contrib/libgmp/mpz/com.c @@ -0,0 +1,93 @@ +/* mpz_com(mpz_ptr dst, mpz_ptr src) -- Assign the bit-complemented value of + SRC to DST. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_com (mpz_ptr dst, mpz_srcptr src) +#else +mpz_com (dst, src) + mpz_ptr dst; + mpz_srcptr src; +#endif +{ + mp_size_t size = src->_mp_size; + mp_srcptr src_ptr; + mp_ptr dst_ptr; + + if (size >= 0) + { + /* As with infinite precision: one's complement, two's complement. + But this can be simplified using the identity -x = ~x + 1. + So we're going to compute (~~x) + 1 = x + 1! */ + + if (dst->_mp_alloc < size + 1) + _mpz_realloc (dst, size + 1); + + src_ptr = src->_mp_d; + dst_ptr = dst->_mp_d; + + if (size == 0) + { + /* Special case, as mpn_add wants the first arg's size >= the + second arg's size. */ + dst_ptr[0] = 1; + dst->_mp_size = -1; + return; + } + + { + mp_limb_t cy; + + cy = mpn_add_1 (dst_ptr, src_ptr, size, (mp_limb_t) 1); + if (cy) + { + dst_ptr[size] = cy; + size++; + } + } + + /* Store a negative size, to indicate ones-extension. */ + dst->_mp_size = -size; + } + else + { + /* As with infinite precision: two's complement, then one's complement. + But that can be simplified using the identity -x = ~(x - 1). + So we're going to compute ~~(x - 1) = x - 1! */ + size = -size; + + if (dst->_mp_alloc < size) + _mpz_realloc (dst, size); + + src_ptr = src->_mp_d; + dst_ptr = dst->_mp_d; + + mpn_sub_1 (dst_ptr, src_ptr, size, (mp_limb_t) 1); + size -= dst_ptr[size - 1] == 0; + + /* Store a positive size, to indicate zero-extension. */ + dst->_mp_size = size; + } +} diff --git a/contrib/libgmp/mpz/configure.in b/contrib/libgmp/mpz/configure.in new file mode 100644 index 000000000000..ed84461c1d2d --- /dev/null +++ b/contrib/libgmp/mpz/configure.in @@ -0,0 +1,12 @@ +# This file is a shell script fragment that supplies the information +# necessary for a configure script to process the program in +# this directory. For more information, look at ../configure. + +configdirs=tests +srctrigger=add_ui.c +srcname="GNU Multi-Precision library/mpz" + +# per-host: + +# per-target: + diff --git a/contrib/libgmp/mpz/divexact.c b/contrib/libgmp/mpz/divexact.c new file mode 100644 index 000000000000..b8974480468c --- /dev/null +++ b/contrib/libgmp/mpz/divexact.c @@ -0,0 +1,112 @@ +/* mpz_divexact -- finds quotient when known that quot * den == num && den != 0. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +/* Ken Weber (kweber@mat.ufrgs.br, kweber@mcs.kent.edu) + + Funding for this work has been partially provided by Conselho Nacional + de Desenvolvimento Cienti'fico e Tecnolo'gico (CNPq) do Brazil, Grant + 301314194-2, and was done while I was a visiting reseacher in the Instituto + de Matema'tica at Universidade Federal do Rio Grande do Sul (UFRGS). + + References: + T. Jebelean, An algorithm for exact division, Journal of Symbolic + Computation, v. 15, 1993, pp. 169-180. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void +#if __STDC__ +mpz_divexact (mpz_ptr quot, mpz_srcptr num, mpz_srcptr den) +#else +mpz_divexact (quot, num, den) + mpz_ptr quot; + mpz_srcptr num; + mpz_srcptr den; +#endif +{ + mp_ptr qp, tp; + mp_size_t qsize, tsize; + + mp_srcptr np = num->_mp_d; + mp_srcptr dp = den->_mp_d; + mp_size_t nsize = ABS (num->_mp_size); + mp_size_t dsize = ABS (den->_mp_size); + TMP_DECL (marker); + + /* Generate divide-by-zero error if dsize == 0. */ + if (dsize == 0) + { + quot->_mp_size = 1 / dsize; + return; + } + + if (nsize == 0) + { + quot->_mp_size = 0; + return; + } + + qsize = nsize - dsize + 1; + if (quot->_mp_alloc < qsize) + _mpz_realloc (quot, qsize); + qp = quot->_mp_d; + + TMP_MARK (marker); + + /* QUOT <-- NUM/2^r, T <-- DEN/2^r where = r number of twos in DEN. */ + while (dp[0] == 0) + np += 1, nsize -= 1, dp += 1, dsize -= 1; + tsize = MIN (qsize, dsize); + if (dp[0] & 1) + { + if (qp != dp) + MPN_COPY (qp, np, qsize); + if (qp == dp) /* QUOT and DEN overlap. */ + { + tp = (mp_ptr) TMP_ALLOC (sizeof (mp_limb_t) * tsize); + MPN_COPY (tp, dp, tsize); + } + else + tp = (mp_ptr) dp; + } + else + { + unsigned long int r; + tp = (mp_ptr) TMP_ALLOC (sizeof (mp_limb_t) * tsize); + count_trailing_zeros (r, dp[0]); + mpn_rshift (tp, dp, tsize, r); + if (dsize > tsize) + tp[tsize-1] |= dp[tsize] << (BITS_PER_MP_LIMB - r); + mpn_rshift (qp, np, qsize, r); + if (nsize > qsize) + qp[qsize-1] |= np[qsize] << (BITS_PER_MP_LIMB - r); + } + + /* Now QUOT <-- QUOT/T. */ + mpn_bdivmod (qp, qp, qsize, tp, tsize, qsize * BITS_PER_MP_LIMB); + MPN_NORMALIZE (qp, qsize); + + quot->_mp_size = (num->_mp_size < 0) == (den->_mp_size < 0) ? qsize : -qsize; + + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/dmincl.c b/contrib/libgmp/mpz/dmincl.c new file mode 100644 index 000000000000..51bd084870c3 --- /dev/null +++ b/contrib/libgmp/mpz/dmincl.c @@ -0,0 +1,201 @@ +/* dmincl.c -- include file for tdiv_qr.c, tdiv_r.c. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +/* If den == quot, den needs temporary storage. + If den == rem, den needs temporary storage. + If num == quot, num needs temporary storage. + If den has temporary storage, it can be normalized while being copied, + i.e no extra storage should be allocated. */ + +/* This is the function body of mdiv, mpz_divmod, and mpz_mod. + + If COMPUTE_QUOTIENT is defined, the quotient is put in the MP_INT + object quot, otherwise that variable is not referenced at all. + + The remainder is always computed, and the result is put in the MP_INT + object rem. */ + +{ + mp_ptr np, dp; + mp_ptr qp, rp; + mp_size_t nsize = num->_mp_size; + mp_size_t dsize = den->_mp_size; + mp_size_t qsize, rsize; + mp_size_t sign_remainder = nsize; +#ifdef COMPUTE_QUOTIENT + mp_size_t sign_quotient = nsize ^ dsize; +#endif + unsigned normalization_steps; + mp_limb_t q_limb; + TMP_DECL (marker); + + nsize = ABS (nsize); + dsize = ABS (dsize); + + /* Ensure space is enough for quotient and remainder. */ + + /* We need space for an extra limb in the remainder, because it's + up-shifted (normalized) below. */ + rsize = nsize + 1; + if (rem->_mp_alloc < rsize) + _mpz_realloc (rem, rsize); + + qsize = rsize - dsize; /* qsize cannot be bigger than this. */ + if (qsize <= 0) + { + if (num != rem) + { + rem->_mp_size = num->_mp_size; + MPN_COPY (rem->_mp_d, num->_mp_d, nsize); + } +#ifdef COMPUTE_QUOTIENT + /* This needs to follow the assignment to rem, in case the + numerator and quotient are the same. */ + quot->_mp_size = 0; +#endif + return; + } + +#ifdef COMPUTE_QUOTIENT + if (quot->_mp_alloc < qsize) + _mpz_realloc (quot, qsize); +#endif + + /* Read pointers here, when reallocation is finished. */ + np = num->_mp_d; + dp = den->_mp_d; + rp = rem->_mp_d; + + /* Optimize division by a single-limb divisor. */ + if (dsize == 1) + { + mp_limb_t rlimb; +#ifdef COMPUTE_QUOTIENT + qp = quot->_mp_d; + rlimb = mpn_divmod_1 (qp, np, nsize, dp[0]); + qsize -= qp[qsize - 1] == 0; + quot->_mp_size = sign_quotient >= 0 ? qsize : -qsize; +#else + rlimb = mpn_mod_1 (np, nsize, dp[0]); +#endif + rp[0] = rlimb; + rsize = rlimb != 0; + rem->_mp_size = sign_remainder >= 0 ? rsize : -rsize; + return; + } + + TMP_MARK (marker); + +#ifdef COMPUTE_QUOTIENT + qp = quot->_mp_d; + + /* Make sure QP and NP point to different objects. Otherwise the + numerator would be gradually overwritten by the quotient limbs. */ + if (qp == np) + { + /* Copy NP object to temporary space. */ + np = (mp_ptr) TMP_ALLOC (nsize * BYTES_PER_MP_LIMB); + MPN_COPY (np, qp, nsize); + } + +#else + /* Put quotient at top of remainder. */ + qp = rp + dsize; +#endif + + count_leading_zeros (normalization_steps, dp[dsize - 1]); + + /* Normalize the denominator, i.e. make its most significant bit set by + shifting it NORMALIZATION_STEPS bits to the left. Also shift the + numerator the same number of steps (to keep the quotient the same!). */ + if (normalization_steps != 0) + { + mp_ptr tp; + mp_limb_t nlimb; + + /* Shift up the denominator setting the most significant bit of + the most significant word. Use temporary storage not to clobber + the original contents of the denominator. */ + tp = (mp_ptr) TMP_ALLOC (dsize * BYTES_PER_MP_LIMB); + mpn_lshift (tp, dp, dsize, normalization_steps); + dp = tp; + + /* Shift up the numerator, possibly introducing a new most + significant word. Move the shifted numerator in the remainder + meanwhile. */ + nlimb = mpn_lshift (rp, np, nsize, normalization_steps); + if (nlimb != 0) + { + rp[nsize] = nlimb; + rsize = nsize + 1; + } + else + rsize = nsize; + } + else + { + /* The denominator is already normalized, as required. Copy it to + temporary space if it overlaps with the quotient or remainder. */ +#ifdef COMPUTE_QUOTIENT + if (dp == rp || dp == qp) +#else + if (dp == rp) +#endif + { + mp_ptr tp; + + tp = (mp_ptr) TMP_ALLOC (dsize * BYTES_PER_MP_LIMB); + MPN_COPY (tp, dp, dsize); + dp = tp; + } + + /* Move the numerator to the remainder. */ + if (rp != np) + MPN_COPY (rp, np, nsize); + + rsize = nsize; + } + + q_limb = mpn_divmod (qp, rp, rsize, dp, dsize); + +#ifdef COMPUTE_QUOTIENT + qsize = rsize - dsize; + if (q_limb) + { + qp[qsize] = q_limb; + qsize += 1; + } + + quot->_mp_size = sign_quotient >= 0 ? qsize : -qsize; +#endif + + rsize = dsize; + MPN_NORMALIZE (rp, rsize); + + if (normalization_steps != 0 && rsize != 0) + { + mpn_rshift (rp, rp, rsize, normalization_steps); + rsize -= rp[rsize - 1] == 0; + } + + rem->_mp_size = sign_remainder >= 0 ? rsize : -rsize; + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/fac_ui.c b/contrib/libgmp/mpz/fac_ui.c new file mode 100644 index 000000000000..a170060a544e --- /dev/null +++ b/contrib/libgmp/mpz/fac_ui.c @@ -0,0 +1,157 @@ +/* mpz_fac_ui(result, n) -- Set RESULT to N!. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#ifdef DBG +#include <stdio.h> +#endif + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void +#if __STDC__ +mpz_fac_ui (mpz_ptr result, unsigned long int n) +#else +mpz_fac_ui (result, n) + mpz_ptr result; + unsigned long int n; +#endif +{ +#if SIMPLE_FAC + + /* Be silly. Just multiply the numbers in ascending order. O(n**2). */ + + unsigned long int k; + + mpz_set_ui (result, 1L); + + for (k = 2; k <= n; k++) + mpz_mul_ui (result, result, k); +#else + + /* Be smarter. Multiply groups of numbers in ascending order until the + product doesn't fit in a limb. Multiply these partial product in a + balanced binary tree fashion, to make the operand have as equal sizes + as possible. When the operands have about the same size, mpn_mul + becomes faster. */ + + unsigned long int p, k; + mp_limb_t p1, p0; + + /* Stack of partial products, used to make the computation balanced + (i.e. make the sizes of the multiplication operands equal). The + topmost position of MP_STACK will contain a one-limb partial product, + the second topmost will contain a two-limb partial product, and so + on. MP_STACK[0] will contain a partial product with 2**t limbs. + To compute n! MP_STACK needs to be less than + log(n)**2/log(BITS_PER_MP_LIMB), so 30 is surely enough. */ +#define MP_STACK_SIZE 30 + mpz_t mp_stack[MP_STACK_SIZE]; + + /* TOP is an index into MP_STACK, giving the topmost element. + TOP_LIMIT_SO_FAR is the largets value it has taken so far. */ + int top, top_limit_so_far; + + /* Count of the total number of limbs put on MP_STACK so far. This + variable plays an essential role in making the compututation balanced. + See below. */ + unsigned int tree_cnt; + + top = top_limit_so_far = -1; + tree_cnt = 0; + p = 1; + for (k = 2; k <= n; k++) + { + /* Multiply the partial product in P with K. */ + umul_ppmm (p1, p0, (mp_limb_t) p, (mp_limb_t) k); + + /* Did we get overflow into the high limb, i.e. is the partial + product now more than one limb? */ + if (p1 != 0) + { + tree_cnt++; + + if (tree_cnt % 2 == 0) + { + mp_size_t i; + + /* TREE_CNT is even (i.e. we have generated an even number of + one-limb partial products), which means that we have a + single-limb product on the top of MP_STACK. */ + + mpz_mul_ui (mp_stack[top], mp_stack[top], p); + + /* If TREE_CNT is divisable by 4, 8,..., we have two + similar-sized partial products with 2, 4,... limbs at + the topmost two positions of MP_STACK. Multiply them + to form a new partial product with 4, 8,... limbs. */ + for (i = 4; (tree_cnt & (i - 1)) == 0; i <<= 1) + { + mpz_mul (mp_stack[top - 1], + mp_stack[top], mp_stack[top - 1]); + top--; + } + } + else + { + /* Put the single-limb partial product in P on the stack. + (The next time we get a single-limb product, we will + multiply the two together.) */ + top++; + if (top > top_limit_so_far) + { + if (top > MP_STACK_SIZE) + abort(); + /* The stack is now bigger than ever, initialize the top + element. */ + mpz_init_set_ui (mp_stack[top], p); + top_limit_so_far++; + } + else + mpz_set_ui (mp_stack[top], p); + } + + /* We ignored the last result from umul_ppmm. Put K in P as the + first component of the next single-limb partial product. */ + p = k; + } + else + /* We didn't get overflow in umul_ppmm. Put p0 in P and try + with one more value of K. */ + p = p0; /* bogus if long != mp_limb_t */ + } + + /* We have partial products in mp_stack[0..top], in descending order. + We also have a small partial product in p. + Their product is the final result. */ + if (top < 0) + mpz_set_ui (result, p); + else + mpz_mul_ui (result, mp_stack[top--], p); + while (top >= 0) + mpz_mul (result, result, mp_stack[top--]); + + /* Free the storage allocated for MP_STACK. */ + for (top = top_limit_so_far; top >= 0; top--) + mpz_clear (mp_stack[top]); +#endif +} diff --git a/contrib/libgmp/mpz/fdiv_q.c b/contrib/libgmp/mpz/fdiv_q.c new file mode 100644 index 000000000000..3da943af9164 --- /dev/null +++ b/contrib/libgmp/mpz/fdiv_q.c @@ -0,0 +1,51 @@ +/* mpz_fdiv_q -- Division rounding the quotient towards -infinity. + The remainder gets the same sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_fdiv_q (mpz_ptr quot, mpz_srcptr dividend, mpz_srcptr divisor) +#else +mpz_fdiv_q (quot, dividend, divisor) + mpz_ptr quot; + mpz_srcptr dividend; + mpz_srcptr divisor; +#endif +{ + mp_size_t dividend_size = dividend->_mp_size; + mp_size_t divisor_size = divisor->_mp_size; + mpz_t rem; + TMP_DECL (marker); + + TMP_MARK (marker); + + MPZ_TMP_INIT (rem, 1 + ABS (dividend_size)); + + mpz_tdiv_qr (quot, rem, dividend, divisor); + + if ((divisor_size ^ dividend_size) < 0 && rem->_mp_size != 0) + mpz_sub_ui (quot, quot, 1L); + + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/fdiv_q_2exp.c b/contrib/libgmp/mpz/fdiv_q_2exp.c new file mode 100644 index 000000000000..3f56baff2c5a --- /dev/null +++ b/contrib/libgmp/mpz/fdiv_q_2exp.c @@ -0,0 +1,94 @@ +/* mpz_fdiv_q_2exp -- Divide an integer by 2**CNT. Round the quotient + towards -infinity. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_fdiv_q_2exp (mpz_ptr w, mpz_srcptr u, unsigned long int cnt) +#else +mpz_fdiv_q_2exp (w, u, cnt) + mpz_ptr w; + mpz_srcptr u; + unsigned long int cnt; +#endif +{ + mp_size_t usize = u->_mp_size; + mp_size_t wsize; + mp_size_t abs_usize = ABS (usize); + mp_size_t limb_cnt; + mp_ptr wp; + mp_limb_t round = 0; + + limb_cnt = cnt / BITS_PER_MP_LIMB; + wsize = abs_usize - limb_cnt; + if (wsize <= 0) + { + wp = w->_mp_d; + wsize = 0; + /* Set ROUND since we know we skip some non-zero words in this case. + Well, if U is zero, we don't, but then this will be taken care of + below, since rounding only really takes place for negative U. */ + round = 1; + wp[0] = 1; + w->_mp_size = -(usize < 0); + return; + } + else + { + mp_size_t i; + mp_ptr up; + + /* Make sure there is enough space. We make an extra limb + here to account for possible rounding at the end. */ + if (w->_mp_alloc < wsize + 1) + _mpz_realloc (w, wsize + 1); + + wp = w->_mp_d; + up = u->_mp_d; + + /* Set ROUND if we are about skip some non-zero limbs. */ + for (i = 0; i < limb_cnt && round == 0; i++) + round = up[i]; + + cnt %= BITS_PER_MP_LIMB; + if (cnt != 0) + { + round |= mpn_rshift (wp, up + limb_cnt, wsize, cnt); + wsize -= wp[wsize - 1] == 0; + } + else + { + MPN_COPY_INCR (wp, up + limb_cnt, wsize); + } + } + + if (usize < 0 && round != 0) + { + mp_limb_t cy; + cy = mpn_add_1 (wp, wp, wsize, 1); + wp[wsize] = cy; + wsize += cy; + } + w->_mp_size = usize >= 0 ? wsize : -wsize; +} diff --git a/contrib/libgmp/mpz/fdiv_q_ui.c b/contrib/libgmp/mpz/fdiv_q_ui.c new file mode 100644 index 000000000000..3d6825d4fee2 --- /dev/null +++ b/contrib/libgmp/mpz/fdiv_q_ui.c @@ -0,0 +1,62 @@ +/* mpz_fdiv_q_ui -- Division rounding the quotient towards -infinity. + The remainder gets the same sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_fdiv_q_ui (mpz_ptr quot, mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_fdiv_q_ui (quot, dividend, divisor) + mpz_ptr quot; + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_ptr quot_ptr; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + if (quot->_mp_alloc < size) + _mpz_realloc (quot, size); + + quot_ptr = quot->_mp_d; + + remainder_limb = mpn_divmod_1 (quot_ptr, dividend->_mp_d, size, + (mp_limb_t) divisor); + + if (remainder_limb != 0 && dividend_size < 0) + { + mpn_add_1 (quot_ptr, quot_ptr, size, (mp_limb_t) 1); + remainder_limb = divisor - remainder_limb; + } + + size -= size != 0 && quot_ptr[size - 1] == 0; + quot->_mp_size = dividend_size >= 0 ? size : -size; + + return remainder_limb; +} diff --git a/contrib/libgmp/mpz/fdiv_qr.c b/contrib/libgmp/mpz/fdiv_qr.c new file mode 100644 index 000000000000..2abb16ccbd7c --- /dev/null +++ b/contrib/libgmp/mpz/fdiv_qr.c @@ -0,0 +1,62 @@ +/* mpz_fdiv_qr -- Division rounding the quotient towards -infinity. + The remainder gets the same sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_fdiv_qr (mpz_ptr quot, mpz_ptr rem, mpz_srcptr dividend, mpz_srcptr divisor) +#else +mpz_fdiv_qr (quot, rem, dividend, divisor) + mpz_ptr quot; + mpz_ptr rem; + mpz_srcptr dividend; + mpz_srcptr divisor; +#endif +{ + mp_size_t divisor_size = divisor->_mp_size; + mpz_t temp_divisor; /* N.B.: lives until function returns! */ + TMP_DECL (marker); + + TMP_MARK (marker); + + /* We need the original value of the divisor after the quotient and + remainder have been preliminary calculated. We have to copy it to + temporary space if it's the same variable as either QUOT or REM. */ + if (quot == divisor || rem == divisor) + { + MPZ_TMP_INIT (temp_divisor, ABS (divisor_size)); + mpz_set (temp_divisor, divisor); + divisor = temp_divisor; + } + + mpz_tdiv_qr (quot, rem, dividend, divisor); + + if ((divisor_size ^ dividend->_mp_size) < 0 && rem->_mp_size != 0) + { + mpz_sub_ui (quot, quot, 1L); + mpz_add (rem, rem, divisor); + } + + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/fdiv_qr_ui.c b/contrib/libgmp/mpz/fdiv_qr_ui.c new file mode 100644 index 000000000000..a22b702a8def --- /dev/null +++ b/contrib/libgmp/mpz/fdiv_qr_ui.c @@ -0,0 +1,66 @@ +/* mpz_fdiv_qr_ui -- Division rounding the quotient towards -infinity. + The remainder gets the same sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_fdiv_qr_ui (mpz_ptr quot, mpz_ptr rem, mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_fdiv_qr_ui (quot, rem, dividend, divisor) + mpz_ptr quot; + mpz_ptr rem; + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_ptr quot_ptr; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + if (quot->_mp_alloc < size) + _mpz_realloc (quot, size); + + quot_ptr = quot->_mp_d; + + remainder_limb = mpn_divmod_1 (quot_ptr, dividend->_mp_d, size, + (mp_limb_t) divisor); + + if (remainder_limb != 0 && dividend_size < 0) + { + mpn_add_1 (quot_ptr, quot_ptr, size, (mp_limb_t) 1); + remainder_limb = divisor - remainder_limb; + } + + size -= size != 0 && quot_ptr[size - 1] == 0; + quot->_mp_size = dividend_size >= 0 ? size : -size; + + rem->_mp_d[0] = remainder_limb; + rem->_mp_size = remainder_limb != 0; + + return remainder_limb; +} diff --git a/contrib/libgmp/mpz/fdiv_r.c b/contrib/libgmp/mpz/fdiv_r.c new file mode 100644 index 000000000000..14e045bbe597 --- /dev/null +++ b/contrib/libgmp/mpz/fdiv_r.c @@ -0,0 +1,58 @@ +/* mpz_fdiv_r -- Division rounding the quotient towards -infinity. + The remainder gets the same sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_fdiv_r (mpz_ptr rem, mpz_srcptr dividend, mpz_srcptr divisor) +#else +mpz_fdiv_r (rem, dividend, divisor) + mpz_ptr rem; + mpz_srcptr dividend; + mpz_srcptr divisor; +#endif +{ + mp_size_t divisor_size = divisor->_mp_size; + mpz_t temp_divisor; /* N.B.: lives until function returns! */ + TMP_DECL (marker); + + TMP_MARK (marker); + + /* We need the original value of the divisor after the remainder has been + preliminary calculated. We have to copy it to temporary space if it's + the same variable as REM. */ + if (rem == divisor) + { + MPZ_TMP_INIT (temp_divisor, ABS (divisor_size)); + mpz_set (temp_divisor, divisor); + divisor = temp_divisor; + } + + mpz_tdiv_r (rem, dividend, divisor); + + if ((divisor_size ^ dividend->_mp_size) < 0 && rem->_mp_size != 0) + mpz_add (rem, rem, divisor); + + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/fdiv_r_2exp.c b/contrib/libgmp/mpz/fdiv_r_2exp.c new file mode 100644 index 000000000000..04190b1b0aae --- /dev/null +++ b/contrib/libgmp/mpz/fdiv_r_2exp.c @@ -0,0 +1,88 @@ +/* mpz_fdiv_r_2exp -- Divide a integer by 2**CNT and produce a remainder. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_fdiv_r_2exp (mpz_ptr res, mpz_srcptr in, unsigned long int cnt) +#else +mpz_fdiv_r_2exp (res, in, cnt) + mpz_ptr res; + mpz_srcptr in; + unsigned long int cnt; +#endif +{ + mp_size_t in_size = ABS (in->_mp_size); + mp_size_t res_size; + mp_size_t limb_cnt = cnt / BITS_PER_MP_LIMB; + mp_srcptr in_ptr = in->_mp_d; + + if (in_size > limb_cnt) + { + /* The input operand is (probably) greater than 2**CNT. */ + mp_limb_t x; + + x = in_ptr[limb_cnt] & (((mp_limb_t) 1 << cnt % BITS_PER_MP_LIMB) - 1); + if (x != 0) + { + res_size = limb_cnt + 1; + if (res->_mp_alloc < res_size) + _mpz_realloc (res, res_size); + + res->_mp_d[limb_cnt] = x; + } + else + { + res_size = limb_cnt; + MPN_NORMALIZE (in_ptr, res_size); + + if (res->_mp_alloc < res_size) + _mpz_realloc (res, res_size); + + limb_cnt = res_size; + } + } + else + { + /* The input operand is smaller than 2**CNT. We perform a no-op, + apart from that we might need to copy IN to RES. */ + res_size = in_size; + if (res->_mp_alloc < res_size) + _mpz_realloc (res, res_size); + + limb_cnt = res_size; + } + + if (res != in) + MPN_COPY (res->_mp_d, in->_mp_d, limb_cnt); + res->_mp_size = res_size; + if (in->_mp_size < 0 && res_size != 0) + { + /* Result should be 2^CNT - RES */ + mpz_t tmp; + MPZ_TMP_INIT (tmp, limb_cnt + 1); + mpz_set_ui (tmp, 1L); + mpz_mul_2exp (tmp, tmp, cnt); + mpz_sub (res, tmp, res); + } +} diff --git a/contrib/libgmp/mpz/fdiv_r_ui.c b/contrib/libgmp/mpz/fdiv_r_ui.c new file mode 100644 index 000000000000..c4c37498ced7 --- /dev/null +++ b/contrib/libgmp/mpz/fdiv_r_ui.c @@ -0,0 +1,52 @@ +/* mpz_fdiv_r_ui -- Division rounding the quotient towards -infinity. + The remainder gets the same sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_fdiv_r_ui (mpz_ptr rem, mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_fdiv_r_ui (rem, dividend, divisor) + mpz_ptr rem; + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + remainder_limb = mpn_mod_1 (dividend->_mp_d, size, (mp_limb_t) divisor); + + if (remainder_limb != 0 && dividend_size < 0) + remainder_limb = divisor - remainder_limb; + + rem->_mp_d[0] = remainder_limb; + rem->_mp_size = remainder_limb != 0; + + return remainder_limb; +} diff --git a/contrib/libgmp/mpz/fdiv_ui.c b/contrib/libgmp/mpz/fdiv_ui.c new file mode 100644 index 000000000000..4d018a2291bf --- /dev/null +++ b/contrib/libgmp/mpz/fdiv_ui.c @@ -0,0 +1,48 @@ +/* mpz_fdiv_ui -- Division rounding the quotient towards -infinity. + The remainder gets the same sign as the denominator. + +Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_fdiv_ui (mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_fdiv_ui (dividend, divisor) + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + remainder_limb = mpn_mod_1 (dividend->_mp_d, size, (mp_limb_t) divisor); + + if (remainder_limb != 0 && dividend_size < 0) + remainder_limb = divisor - remainder_limb; + + return remainder_limb; +} diff --git a/contrib/libgmp/mpz/gcd.c b/contrib/libgmp/mpz/gcd.c new file mode 100644 index 000000000000..f93030c8f4c5 --- /dev/null +++ b/contrib/libgmp/mpz/gcd.c @@ -0,0 +1,178 @@ +/* mpz/gcd.c: Calculate the greatest common divisor of two integers. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void *_mpz_realloc (); + +#ifndef BERKELEY_MP +void +#if __STDC__ +mpz_gcd (mpz_ptr g, mpz_srcptr u, mpz_srcptr v) +#else +mpz_gcd (g, u, v) + mpz_ptr g; + mpz_srcptr u; + mpz_srcptr v; +#endif +#else /* BERKELEY_MP */ +void +#if __STDC__ +gcd (mpz_srcptr u, mpz_srcptr v, mpz_ptr g) +#else +gcd (u, v, g) + mpz_ptr g; + mpz_srcptr u; + mpz_srcptr v; +#endif +#endif /* BERKELEY_MP */ + +{ + unsigned long int g_zero_bits, u_zero_bits, v_zero_bits; + mp_size_t g_zero_limbs, u_zero_limbs, v_zero_limbs; + mp_ptr tp; + mp_ptr up = u->_mp_d; + mp_size_t usize = ABS (u->_mp_size); + mp_ptr vp = v->_mp_d; + mp_size_t vsize = ABS (v->_mp_size); + mp_size_t gsize; + TMP_DECL (marker); + + /* GCD(0, V) == V. */ + if (usize == 0) + { + g->_mp_size = vsize; + if (g == v) + return; + if (g->_mp_alloc < vsize) + _mpz_realloc (g, vsize); + MPN_COPY (g->_mp_d, vp, vsize); + return; + } + + /* GCD(U, 0) == U. */ + if (vsize == 0) + { + g->_mp_size = usize; + if (g == u) + return; + if (g->_mp_alloc < usize) + _mpz_realloc (g, usize); + MPN_COPY (g->_mp_d, up, usize); + return; + } + + if (usize == 1) + { + g->_mp_size = 1; + g->_mp_d[0] = mpn_gcd_1 (vp, vsize, up[0]); + return; + } + + if (vsize == 1) + { + g->_mp_size = 1; + g->_mp_d[0] = mpn_gcd_1 (up, usize, vp[0]); + return; + } + + TMP_MARK (marker); + + /* Eliminate low zero bits from U and V and move to temporary storage. */ + while (*up == 0) + up++; + u_zero_limbs = up - u->_mp_d; + usize -= u_zero_limbs; + count_trailing_zeros (u_zero_bits, *up); + tp = up; + up = (mp_ptr) TMP_ALLOC (usize * BYTES_PER_MP_LIMB); + if (u_zero_bits != 0) + { + mpn_rshift (up, tp, usize, u_zero_bits); + usize -= up[usize - 1] == 0; + } + else + MPN_COPY (up, tp, usize); + + while (*vp == 0) + vp++; + v_zero_limbs = vp - v->_mp_d; + vsize -= v_zero_limbs; + count_trailing_zeros (v_zero_bits, *vp); + tp = vp; + vp = (mp_ptr) TMP_ALLOC (vsize * BYTES_PER_MP_LIMB); + if (v_zero_bits != 0) + { + mpn_rshift (vp, tp, vsize, v_zero_bits); + vsize -= vp[vsize - 1] == 0; + } + else + MPN_COPY (vp, tp, vsize); + + if (u_zero_limbs > v_zero_limbs) + { + g_zero_limbs = v_zero_limbs; + g_zero_bits = v_zero_bits; + } + else if (u_zero_limbs < v_zero_limbs) + { + g_zero_limbs = u_zero_limbs; + g_zero_bits = u_zero_bits; + } + else /* Equal. */ + { + g_zero_limbs = u_zero_limbs; + g_zero_bits = MIN (u_zero_bits, v_zero_bits); + } + + /* Call mpn_gcd. The 1st argument must not have more bits than the 2nd. */ + vsize = (usize < vsize || (usize == vsize && up[usize-1] < vp[vsize-1])) + ? mpn_gcd (vp, up, usize, vp, vsize) + : mpn_gcd (vp, vp, vsize, up, usize); + + /* Here G <-- V << (g_zero_limbs*BITS_PER_MP_LIMB + g_zero_bits). */ + gsize = vsize + g_zero_limbs; + if (g_zero_bits != 0) + { + mp_limb_t cy_limb; + gsize += (vp[vsize - 1] >> (BITS_PER_MP_LIMB - g_zero_bits)) != 0; + if (g->_mp_alloc < gsize) + _mpz_realloc (g, gsize); + MPN_ZERO (g->_mp_d, g_zero_limbs); + + tp = g->_mp_d + g_zero_limbs; + cy_limb = mpn_lshift (tp, vp, vsize, g_zero_bits); + if (cy_limb != 0) + tp[vsize] = cy_limb; + } + else + { + if (g->_mp_alloc < gsize) + _mpz_realloc (g, gsize); + MPN_ZERO (g->_mp_d, g_zero_limbs); + MPN_COPY (g->_mp_d + g_zero_limbs, vp, vsize); + } + + g->_mp_size = gsize; + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/gcd_ui.c b/contrib/libgmp/mpz/gcd_ui.c new file mode 100644 index 000000000000..388ab05cc9cc --- /dev/null +++ b/contrib/libgmp/mpz/gcd_ui.c @@ -0,0 +1,64 @@ +/* mpz_gcd_ui -- Calculate the greatest common divisior of two integers. + +Copyright (C) 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_gcd_ui (mpz_ptr w, mpz_srcptr u, unsigned long int v) +#else +mpz_gcd_ui (w, u, v) + mpz_ptr w; + mpz_srcptr u; + unsigned long int v; +#endif +{ + mp_size_t size; + mp_limb_t res; + + size = ABS (u->_mp_size); + + if (size == 0) + res = v; + else if (v == 0) + { + if (w != NULL && u != w) + { + if (w->_mp_alloc < size) + _mpz_realloc (w, size); + + MPN_COPY (w->_mp_d, u->_mp_d, size); + } + w->_mp_size = size; + /* We can't return any useful result for gcd(big,0). */ + return size > 1 ? 0 : w->_mp_d[0]; + } + else + res = mpn_gcd_1 (u->_mp_d, size, v); + + if (w != NULL) + { + w->_mp_d[0] = res; + w->_mp_size = 1; + } + return res; +} diff --git a/contrib/libgmp/mpz/gcdext.c b/contrib/libgmp/mpz/gcdext.c new file mode 100644 index 000000000000..adf66b04af26 --- /dev/null +++ b/contrib/libgmp/mpz/gcdext.c @@ -0,0 +1,88 @@ +/* mpz_gcdext(g, s, t, a, b) -- Set G to gcd(a, b), and S and T such that + g = as + bt. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +/* Botch: SLOW! */ + +void +#if __STDC__ +mpz_gcdext (mpz_ptr g, mpz_ptr s, mpz_ptr t, mpz_srcptr a, mpz_srcptr b) +#else +mpz_gcdext (g, s, t, a, b) + mpz_ptr g; + mpz_ptr s; + mpz_ptr t; + mpz_srcptr a; + mpz_srcptr b; +#endif +{ + mpz_t s0, s1, q, r, x, d0, d1; + + mpz_init_set_ui (s0, 1L); + mpz_init_set_ui (s1, 0L); + mpz_init (q); + mpz_init (r); + mpz_init (x); + mpz_init_set (d0, a); + mpz_init_set (d1, b); + + while (d1->_mp_size != 0) + { + mpz_tdiv_qr (q, r, d0, d1); + mpz_set (d0, d1); + mpz_set (d1, r); + + mpz_mul (x, s1, q); + mpz_sub (x, s0, x); + mpz_set (s0, s1); + mpz_set (s1, x); + } + + if (t != NULL) + { + mpz_mul (x, s0, a); + mpz_sub (x, d0, x); + if (b->_mp_size == 0) + t->_mp_size = 0; + else + mpz_tdiv_q (t, x, b); + } + mpz_set (s, s0); + mpz_set (g, d0); + if (g->_mp_size < 0) + { + g->_mp_size = -g->_mp_size; + s->_mp_size = -s->_mp_size; + if (t != NULL) + t->_mp_size = -t->_mp_size; + } + + mpz_clear (s0); + mpz_clear (s1); + mpz_clear (q); + mpz_clear (r); + mpz_clear (x); + mpz_clear (d0); + mpz_clear (d1); +} diff --git a/contrib/libgmp/mpz/get_d.c b/contrib/libgmp/mpz/get_d.c new file mode 100644 index 000000000000..0fd7916eafd0 --- /dev/null +++ b/contrib/libgmp/mpz/get_d.c @@ -0,0 +1,54 @@ +/* double mpz_get_d (mpz_t src) -- Return the double approximation to SRC. + +Copyright (C) 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +double +#if __STDC__ +mpz_get_d (mpz_srcptr src) +#else +mpz_get_d (src) + mpz_srcptr src; +#endif +{ + double res; + mp_size_t size, i, n_limbs_to_use; + int negative; + mp_ptr qp; + + size = SIZ(src); + if (size == 0) + return 0.0; + + negative = size < 0; + size = ABS (size); + qp = PTR(src); + + res = qp[size - 1]; + n_limbs_to_use = MIN (LIMBS_PER_DOUBLE, size); + for (i = 2; i <= n_limbs_to_use; i++) + res = res * MP_BASE_AS_DOUBLE + qp[size - i]; + + res = __gmp_scale2 (res, (size - n_limbs_to_use) * BITS_PER_MP_LIMB); + + return negative ? -res : res; +} diff --git a/contrib/libgmp/mpz/get_si.c b/contrib/libgmp/mpz/get_si.c new file mode 100644 index 000000000000..45e0e5aecf68 --- /dev/null +++ b/contrib/libgmp/mpz/get_si.c @@ -0,0 +1,43 @@ +/* mpz_get_si(integer) -- Return the least significant digit from INTEGER. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +signed long int +#if __STDC__ +mpz_get_si (mpz_srcptr op) +#else +mpz_get_si (op) + mpz_srcptr op; +#endif +{ + mp_size_t size = op->_mp_size; + mp_limb_t low_limb = op->_mp_d[0]; + + if (size > 0) + return low_limb % ((mp_limb_t) 1 << (BITS_PER_MP_LIMB - 1)); + else if (size < 0) + /* This convoluted expression is necessary to properly handle 0x80000000 */ + return ~((low_limb - 1) % ((mp_limb_t) 1 << (BITS_PER_MP_LIMB - 1))); + else + return 0; +} diff --git a/contrib/libgmp/mpz/get_str.c b/contrib/libgmp/mpz/get_str.c new file mode 100644 index 000000000000..8ccf3efcd0eb --- /dev/null +++ b/contrib/libgmp/mpz/get_str.c @@ -0,0 +1,118 @@ +/* mpz_get_str (string, base, mp_src) -- Convert the multiple precision + number MP_SRC to a string STRING of base BASE. If STRING is NULL + allocate space for the result. In any case, return a pointer to the + result. If STRING is not NULL, the caller must ensure enough space is + available to store the result. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +char * +#if __STDC__ +mpz_get_str (char *res_str, int base, mpz_srcptr x) +#else +mpz_get_str (res_str, base, x) + char *res_str; + int base; + mpz_srcptr x; +#endif +{ + mp_ptr xp; + mp_size_t x_size = x->_mp_size; + unsigned char *str; + char *return_str; + size_t str_size; + char *num_to_text; + int i; + TMP_DECL (marker); + + TMP_MARK (marker); + if (base >= 0) + { + if (base == 0) + base = 10; + num_to_text = "0123456789abcdefghijklmnopqrstuvwxyz"; + } + else + { + base = -base; + num_to_text = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + } + + /* We allways allocate space for the string. If the caller passed a + NULL pointer for RES_STR, we allocate permanent space and return + a pointer to that to the caller. */ + str_size = ((size_t) (ABS (x_size) * BITS_PER_MP_LIMB + * __mp_bases[base].chars_per_bit_exactly)) + 3; + if (res_str == 0) + { + /* We didn't get a string from the user. Allocate one (and return + a pointer to it). */ + res_str = (char *) (*_mp_allocate_func) (str_size); + /* Make str, the variable used for raw result from mpn_get_str, + point to the same string, but just after a possible minus sign. */ + str = (unsigned char *) res_str + 1; + } + else + { + /* Use TMP_ALLOC to get temporary space, since we need a few extra bytes + that we can't expect to caller to supply us with. */ + str = (unsigned char *) TMP_ALLOC (str_size); + } + + return_str = res_str; + + if (x_size == 0) + { + res_str[0] = '0'; + res_str[1] = 0; + TMP_FREE (marker); + return res_str; + } + if (x_size < 0) + { + *res_str++ = '-'; + x_size = -x_size; + } + + /* Move the number to convert into temporary space, since mpn_get_str + clobbers its argument + needs one extra high limb.... */ + xp = (mp_ptr) TMP_ALLOC ((x_size + 1) * BYTES_PER_MP_LIMB); + MPN_COPY (xp, x->_mp_d, x_size); + + str_size = mpn_get_str (str, base, xp, x_size); + + /* mpn_get_str might make some leading zeros. Skip them. */ + while (*str == 0) + { + str_size--; + str++; + } + + /* Translate result to printable chars and move result to RES_STR. */ + for (i = 0; i < str_size; i++) + res_str[i] = num_to_text[str[i]]; + res_str[str_size] = 0; + + TMP_FREE (marker); + return return_str; +} diff --git a/contrib/libgmp/mpz/get_ui.c b/contrib/libgmp/mpz/get_ui.c new file mode 100644 index 000000000000..4bfb5e14db53 --- /dev/null +++ b/contrib/libgmp/mpz/get_ui.c @@ -0,0 +1,37 @@ +/* mpz_get_ui(integer) -- Return the least significant digit from INTEGER. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_get_ui (mpz_srcptr integer) +#else +mpz_get_ui (integer) + mpz_srcptr integer; +#endif +{ + if (integer->_mp_size == 0) + return 0; + else + return integer->_mp_d[0]; +} diff --git a/contrib/libgmp/mpz/getlimbn.c b/contrib/libgmp/mpz/getlimbn.c new file mode 100644 index 000000000000..c7a234b5ab24 --- /dev/null +++ b/contrib/libgmp/mpz/getlimbn.c @@ -0,0 +1,38 @@ +/* mpz_getlimbn(integer,n) -- Return the N:th limb from INTEGER. + +Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +mp_limb_t +#if __STDC__ +mpz_getlimbn (mpz_srcptr integer, mp_size_t n) +#else +mpz_getlimbn (integer, n) + mpz_srcptr integer; + mp_size_t n; +#endif +{ + if (integer->_mp_size <= n || n < 0) + return 0; + else + return integer->_mp_d[n]; +} diff --git a/contrib/libgmp/mpz/hamdist.c b/contrib/libgmp/mpz/hamdist.c new file mode 100644 index 000000000000..58c927316a5d --- /dev/null +++ b/contrib/libgmp/mpz/hamdist.c @@ -0,0 +1,62 @@ +/* mpz_hamdist(mpz_ptr op1, mpz_ptr op2) -- Compute the hamming distance + between OP1 and OP2. If one of the operands is negative, return ~0. (We + could make the function well-defined when both operands are negative, but + that would probably not be worth the trouble. + +Copyright (C) 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_hamdist (mpz_srcptr u, mpz_srcptr v) +#else +mpz_hamdist (u, v) + mpz_srcptr u; + mpz_srcptr v; +#endif +{ + mp_srcptr up, vp; + mp_size_t usize, vsize, size; + unsigned long int count; + + usize = u->_mp_size; + vsize = v->_mp_size; + + if ((usize | vsize) < 0) + return ~ (unsigned long int) 0; + + up = u->_mp_d; + vp = v->_mp_d; + + if (usize > vsize) + { + count = mpn_popcount (up + vsize, usize - vsize); + size = vsize; + } + else + { + count = mpn_popcount (vp + usize, vsize - usize); + size = usize; + } + + return count + mpn_hamdist (up, vp, size); +} diff --git a/contrib/libgmp/mpz/init.c b/contrib/libgmp/mpz/init.c new file mode 100644 index 000000000000..f8d8e207e4b2 --- /dev/null +++ b/contrib/libgmp/mpz/init.c @@ -0,0 +1,36 @@ +/* mpz_init() -- Make a new multiple precision number with value 0. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_init (mpz_ptr x) +#else +mpz_init (x) + mpz_ptr x; +#endif +{ + x->_mp_alloc = 1; + x->_mp_d = (mp_ptr) (*_mp_allocate_func) (BYTES_PER_MP_LIMB); + x->_mp_size = 0; +} diff --git a/contrib/libgmp/mpz/inp_raw.c b/contrib/libgmp/mpz/inp_raw.c new file mode 100644 index 000000000000..e1cec1d743c0 --- /dev/null +++ b/contrib/libgmp/mpz/inp_raw.c @@ -0,0 +1,101 @@ +/* mpz_inp_raw -- Input a mpz_t in raw, but endianess, and wordsize + independent format (as output by mpz_out_raw). + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> + +#include "gmp.h" +#include "gmp-impl.h" + +size_t +#if __STDC__ +mpz_inp_raw (mpz_ptr x, FILE *stream) +#else +mpz_inp_raw (x, stream) + mpz_ptr x; + FILE *stream; +#endif +{ + int i; + mp_size_t s; + mp_size_t xsize; + mp_ptr xp; + unsigned int c; + mp_limb_t x_limb; + mp_size_t in_bytesize; + int neg_flag; + + if (stream == 0) + stream = stdin; + + /* Read 4-byte size */ + in_bytesize = 0; + for (i = 4 - 1; i >= 0; i--) + { + c = fgetc (stream); + in_bytesize = (in_bytesize << BITS_PER_CHAR) | c; + } + + /* Size is stored as a 32 bit word; sign extend in_bytesize for non-32 bit + machines. */ + if (sizeof (mp_size_t) > 4) + in_bytesize |= (-(in_bytesize < 0)) << 31; + + neg_flag = in_bytesize < 0; + in_bytesize = ABS (in_bytesize); + xsize = (in_bytesize + BYTES_PER_MP_LIMB - 1) / BYTES_PER_MP_LIMB; + + if (xsize == 0) + { + x->_mp_size = 0; + return 4; /* we've read 4 bytes */ + } + + if (x->_mp_alloc < xsize) + _mpz_realloc (x, xsize); + xp = x->_mp_d; + + x_limb = 0; + for (i = (in_bytesize - 1) % BYTES_PER_MP_LIMB; i >= 0; i--) + { + c = fgetc (stream); + x_limb = (x_limb << BITS_PER_CHAR) | c; + } + xp[xsize - 1] = x_limb; + + for (s = xsize - 2; s >= 0; s--) + { + x_limb = 0; + for (i = BYTES_PER_MP_LIMB - 1; i >= 0; i--) + { + c = fgetc (stream); + x_limb = (x_limb << BITS_PER_CHAR) | c; + } + xp[s] = x_limb; + } + + if (c == EOF) + return 0; /* error */ + + MPN_NORMALIZE (xp, xsize); + x->_mp_size = neg_flag ? -xsize : xsize; + return in_bytesize + 4; +} diff --git a/contrib/libgmp/mpz/inp_str.c b/contrib/libgmp/mpz/inp_str.c new file mode 100644 index 000000000000..715906237ee0 --- /dev/null +++ b/contrib/libgmp/mpz/inp_str.c @@ -0,0 +1,138 @@ +/* mpz_inp_str(dest_integer, stream, base) -- Input a number in base + BASE from stdio stream STREAM and store the result in DEST_INTEGER. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include <ctype.h> +#include "gmp.h" +#include "gmp-impl.h" + +static int +digit_value_in_base (c, base) + int c; + int base; +{ + int digit; + + if (isdigit (c)) + digit = c - '0'; + else if (islower (c)) + digit = c - 'a' + 10; + else if (isupper (c)) + digit = c - 'A' + 10; + else + return -1; + + if (digit < base) + return digit; + return -1; +} + +size_t +#if __STDC__ +mpz_inp_str (mpz_ptr dest, FILE *stream, int base) +#else +mpz_inp_str (dest, stream, base) + mpz_ptr dest; + FILE *stream; + int base; +#endif +{ + char *str; + size_t alloc_size, str_size; + int c; + int negative; + mp_size_t dest_size; + size_t nread; + + if (stream == 0) + stream = stdin; + + alloc_size = 100; + str = (char *) (*_mp_allocate_func) (alloc_size); + str_size = 0; + nread = 0; + + /* Skip whitespace. */ + do + { + c = getc (stream); + nread++; + } + while (isspace (c)); + + negative = 0; + if (c == '-') + { + negative = 1; + c = getc (stream); + } + + if (digit_value_in_base (c, base == 0 ? 10 : base) < 0) + return 0; /* error if no digits */ + + /* If BASE is 0, try to find out the base by looking at the initial + characters. */ + if (base == 0) + { + base = 10; + if (c == '0') + { + base = 8; + c = getc (stream); + nread++; + if (c == 'x' || c == 'X') + { + base = 16; + c = getc (stream); + nread++; + } + } + } + + for (;;) + { + int dig; + if (str_size >= alloc_size) + { + size_t old_alloc_size = alloc_size; + alloc_size = alloc_size * 3 / 2; + str = (char *) (*_mp_reallocate_func) (str, old_alloc_size, alloc_size); + } + dig = digit_value_in_base (c, base); + if (dig < 0) + break; + str[str_size++] = dig; + c = getc (stream); + } + + ungetc (c, stream); + + dest_size = str_size / __mp_bases[base].chars_per_limb + 1; + if (dest->_mp_alloc < dest_size) + _mpz_realloc (dest, dest_size); + + dest_size = mpn_set_str (dest->_mp_d, (unsigned char *) str, str_size, base); + dest->_mp_size = negative ? -dest_size : dest_size; + + (*_mp_free_func) (str, alloc_size); + return str_size + nread; +} diff --git a/contrib/libgmp/mpz/invert.c b/contrib/libgmp/mpz/invert.c new file mode 100644 index 000000000000..ff1d6d937dd6 --- /dev/null +++ b/contrib/libgmp/mpz/invert.c @@ -0,0 +1,43 @@ +/* mpz_invert (inv, x, n). Find multiplicative inverse of X in Z(N). + If X has an inverse, return non-zero and store inverse in INVERSE, + otherwise, return 0 and put garbage in X. + +Copyright (C) 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" + +int +#if __STDC__ +mpz_invert (mpz_ptr inverse, mpz_srcptr x, mpz_srcptr n) +#else +mpz_invert (inverse, x, n) + mpz_ptr inverse; + mpz_srcptr x, n; +#endif +{ + mpz_t gcd; + int rv; + + mpz_init (gcd); + mpz_gcdext (gcd, inverse, (mpz_ptr) 0, x, n); + rv = gcd->_mp_size == 1 && (gcd->_mp_d)[0] == 1; + mpz_clear (gcd); + return rv; +} diff --git a/contrib/libgmp/mpz/ior.c b/contrib/libgmp/mpz/ior.c new file mode 100644 index 000000000000..77facfd3d48d --- /dev/null +++ b/contrib/libgmp/mpz/ior.c @@ -0,0 +1,243 @@ +/* mpz_ior -- Logical inclusive or. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_ior (mpz_ptr res, mpz_srcptr op1, mpz_srcptr op2) +#else +mpz_ior (res, op1, op2) + mpz_ptr res; + mpz_srcptr op1; + mpz_srcptr op2; +#endif +{ + mp_srcptr op1_ptr, op2_ptr; + mp_size_t op1_size, op2_size; + mp_ptr res_ptr; + mp_size_t res_size; + mp_size_t i; + TMP_DECL (marker); + + TMP_MARK (marker); + op1_size = op1->_mp_size; + op2_size = op2->_mp_size; + + op1_ptr = op1->_mp_d; + op2_ptr = op2->_mp_d; + res_ptr = res->_mp_d; + + if (op1_size >= 0) + { + if (op2_size >= 0) + { + if (op1_size >= op2_size) + { + if (res->_mp_alloc < op1_size) + { + _mpz_realloc (res, op1_size); + op1_ptr = op1->_mp_d; + op2_ptr = op2->_mp_d; + res_ptr = res->_mp_d; + } + + if (res_ptr != op1_ptr) + MPN_COPY (res_ptr + op2_size, op1_ptr + op2_size, + op1_size - op2_size); + for (i = op2_size - 1; i >= 0; i--) + res_ptr[i] = op1_ptr[i] | op2_ptr[i]; + res_size = op1_size; + } + else + { + if (res->_mp_alloc < op2_size) + { + _mpz_realloc (res, op2_size); + op1_ptr = op1->_mp_d; + op2_ptr = op2->_mp_d; + res_ptr = res->_mp_d; + } + + if (res_ptr != op2_ptr) + MPN_COPY (res_ptr + op1_size, op2_ptr + op1_size, + op2_size - op1_size); + for (i = op1_size - 1; i >= 0; i--) + res_ptr[i] = op1_ptr[i] | op2_ptr[i]; + res_size = op2_size; + } + + res->_mp_size = res_size; + return; + } + else /* op2_size < 0 */ + { + /* Fall through to the code at the end of the function. */ + } + } + else + { + if (op2_size < 0) + { + mp_ptr opx; + mp_limb_t cy; + + /* Both operands are negative, so will be the result. + -((-OP1) | (-OP2)) = -(~(OP1 - 1) | ~(OP2 - 1)) = + = ~(~(OP1 - 1) | ~(OP2 - 1)) + 1 = + = ((OP1 - 1) & (OP2 - 1)) + 1 */ + + op1_size = -op1_size; + op2_size = -op2_size; + + res_size = MIN (op1_size, op2_size); + + /* Possible optimization: Decrease mpn_sub precision, + as we won't use the entire res of both. */ + opx = (mp_ptr) TMP_ALLOC (res_size * BYTES_PER_MP_LIMB); + mpn_sub_1 (opx, op1_ptr, res_size, (mp_limb_t) 1); + op1_ptr = opx; + + opx = (mp_ptr) TMP_ALLOC (res_size * BYTES_PER_MP_LIMB); + mpn_sub_1 (opx, op2_ptr, res_size, (mp_limb_t) 1); + op2_ptr = opx; + + if (res->_mp_alloc < res_size) + { + _mpz_realloc (res, res_size); + res_ptr = res->_mp_d; + /* Don't re-read OP1_PTR and OP2_PTR. They point to + temporary space--never to the space RES->_mp_D used + to point to before reallocation. */ + } + + /* First loop finds the size of the result. */ + for (i = res_size - 1; i >= 0; i--) + if ((op1_ptr[i] & op2_ptr[i]) != 0) + break; + res_size = i + 1; + + if (res_size != 0) + { + /* Second loop computes the real result. */ + for (i = res_size - 1; i >= 0; i--) + res_ptr[i] = op1_ptr[i] & op2_ptr[i]; + + cy = mpn_add_1 (res_ptr, res_ptr, res_size, (mp_limb_t) 1); + if (cy) + { + res_ptr[res_size] = cy; + res_size++; + } + } + else + { + res_ptr[0] = 1; + res_size = 1; + } + + res->_mp_size = -res_size; + TMP_FREE (marker); + return; + } + else + { + /* We should compute -OP1 | OP2. Swap OP1 and OP2 and fall + through to the code that handles OP1 | -OP2. */ + {mpz_srcptr t = op1; op1 = op2; op2 = t;} + {mp_srcptr t = op1_ptr; op1_ptr = op2_ptr; op2_ptr = t;} + {mp_size_t t = op1_size; op1_size = op2_size; op2_size = t;} + } + } + + { + mp_ptr opx; + mp_limb_t cy; + mp_size_t res_alloc; + mp_size_t count; + + /* Operand 2 negative, so will be the result. + -(OP1 | (-OP2)) = -(OP1 | ~(OP2 - 1)) = + = ~(OP1 | ~(OP2 - 1)) + 1 = + = (~OP1 & (OP2 - 1)) + 1 */ + + op2_size = -op2_size; + + res_alloc = op2_size; + + opx = (mp_ptr) TMP_ALLOC (op2_size * BYTES_PER_MP_LIMB); + mpn_sub_1 (opx, op2_ptr, op2_size, (mp_limb_t) 1); + op2_ptr = opx; + + if (res->_mp_alloc < res_alloc) + { + _mpz_realloc (res, res_alloc); + op1_ptr = op1->_mp_d; + res_ptr = res->_mp_d; + /* Don't re-read OP2_PTR. It points to temporary space--never + to the space RES->_mp_D used to point to before reallocation. */ + } + + if (op1_size >= op2_size) + { + /* We can just ignore the part of OP1 that stretches above OP2, + because the result limbs are zero there. */ + + /* First loop finds the size of the result. */ + for (i = op2_size - 1; i >= 0; i--) + if ((~op1_ptr[i] & op2_ptr[i]) != 0) + break; + res_size = i + 1; + count = res_size; + } + else + { + res_size = op2_size; + + /* Copy the part of OP2 that stretches above OP1, to RES. */ + MPN_COPY (res_ptr + op1_size, op2_ptr + op1_size, op2_size - op1_size); + count = op1_size; + } + + if (res_size != 0) + { + /* Second loop computes the real result. */ + for (i = count - 1; i >= 0; i--) + res_ptr[i] = ~op1_ptr[i] & op2_ptr[i]; + + cy = mpn_add_1 (res_ptr, res_ptr, res_size, (mp_limb_t) 1); + if (cy) + { + res_ptr[res_size] = cy; + res_size++; + } + } + else + { + res_ptr[0] = 1; + res_size = 1; + } + + res->_mp_size = -res_size; + } + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/iset.c b/contrib/libgmp/mpz/iset.c new file mode 100644 index 000000000000..c8a17dc67a88 --- /dev/null +++ b/contrib/libgmp/mpz/iset.c @@ -0,0 +1,49 @@ +/* mpz_init_set (src_integer) -- Make a new multiple precision number with + a value copied from SRC_INTEGER. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_init_set (mpz_ptr w, mpz_srcptr u) +#else +mpz_init_set (w, u) + mpz_ptr w; + mpz_srcptr u; +#endif +{ + mp_ptr wp, up; + mp_size_t usize, size; + + usize = u->_mp_size; + size = ABS (usize); + + w->_mp_alloc = MAX (size, 1); + w->_mp_d = (mp_ptr) (*_mp_allocate_func) (w->_mp_alloc * BYTES_PER_MP_LIMB); + + wp = w->_mp_d; + up = u->_mp_d; + + MPN_COPY (wp, up, size); + w->_mp_size = usize; +} diff --git a/contrib/libgmp/mpz/iset_d.c b/contrib/libgmp/mpz/iset_d.c new file mode 100644 index 000000000000..41e5c4f963bb --- /dev/null +++ b/contrib/libgmp/mpz/iset_d.c @@ -0,0 +1,39 @@ +/* mpz_init_set_d(integer, val) -- Initialize and assign INTEGER with a double + value VAL. + +Copyright (C) 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_init_set_d (mpz_ptr dest, double val) +#else +mpz_init_set_d (dest, val) + mpz_ptr dest; + double val; +#endif +{ + dest->_mp_alloc = 1; + dest->_mp_d = (mp_ptr) (*_mp_allocate_func) (BYTES_PER_MP_LIMB); + dest->_mp_size = 0; + mpz_set_d (dest, val); +} diff --git a/contrib/libgmp/mpz/iset_si.c b/contrib/libgmp/mpz/iset_si.c new file mode 100644 index 000000000000..af51f0578ab8 --- /dev/null +++ b/contrib/libgmp/mpz/iset_si.c @@ -0,0 +1,49 @@ +/* mpz_init_set_si(val) -- Make a new multiple precision number with + value val. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_init_set_si (mpz_ptr x, signed long int val) +#else +mpz_init_set_si (x, val) + mpz_ptr x; + signed long int val; +#endif +{ + x->_mp_alloc = 1; + x->_mp_d = (mp_ptr) (*_mp_allocate_func) (BYTES_PER_MP_LIMB); + if (val > 0) + { + x->_mp_d[0] = val; + x->_mp_size = 1; + } + else if (val < 0) + { + x->_mp_d[0] = -val; + x->_mp_size = -1; + } + else + x->_mp_size = 0; +} diff --git a/contrib/libgmp/mpz/iset_str.c b/contrib/libgmp/mpz/iset_str.c new file mode 100644 index 000000000000..e04ad5da22df --- /dev/null +++ b/contrib/libgmp/mpz/iset_str.c @@ -0,0 +1,44 @@ +/* mpz_init_set_str(string, base) -- Convert the \0-terminated string + STRING in base BASE to a multiple precision integer. Return a MP_INT + structure representing the integer. Allow white space in the + string. If BASE == 0 determine the base in the C standard way, + i.e. 0xhh...h means base 16, 0oo...o means base 8, otherwise + assume base 10. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +int +#if __STDC__ +mpz_init_set_str (mpz_ptr x, const char *str, int base) +#else +mpz_init_set_str (x, str, base) + mpz_ptr x; + const char *str; + int base; +#endif +{ + x->_mp_alloc = 1; + x->_mp_d = (mp_ptr) (*_mp_allocate_func) (BYTES_PER_MP_LIMB); + + return mpz_set_str (x, str, base); +} diff --git a/contrib/libgmp/mpz/iset_ui.c b/contrib/libgmp/mpz/iset_ui.c new file mode 100644 index 000000000000..dc39f59ff442 --- /dev/null +++ b/contrib/libgmp/mpz/iset_ui.c @@ -0,0 +1,39 @@ +/* mpz_init_set_ui(val) -- Make a new multiple precision number with + value val. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_init_set_ui (mpz_ptr x, unsigned long int val) +#else +mpz_init_set_ui (x, val) + mpz_ptr x; + unsigned long int val; +#endif +{ + x->_mp_alloc = 1; + x->_mp_d = (mp_ptr) (*_mp_allocate_func) (BYTES_PER_MP_LIMB); + x->_mp_d[0] = val; + x->_mp_size = val != 0; +} diff --git a/contrib/libgmp/mpz/jacobi.c b/contrib/libgmp/mpz/jacobi.c new file mode 100644 index 000000000000..409f622fcef3 --- /dev/null +++ b/contrib/libgmp/mpz/jacobi.c @@ -0,0 +1,53 @@ +/* mpz_jacobi (op1, op2). + Contributed by Bennet Yee (bsy) at Carnegie-Mellon University + +Copyright (C) 1991, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" + +/* Precondition: both p and q are positive */ + +int +#if __STDC__ +mpz_jacobi (mpz_srcptr pi, mpz_srcptr qi) +#else +mpz_jacobi (pi, qi) + mpz_srcptr pi, qi; +#endif +{ +#if GCDCHECK + int retval; + mpz_t gcdval; + + mpz_init (gcdval); + mpz_gcd (gcdval, pi, qi); + if (!mpz_cmp_ui (gcdval, 1L)) + { + /* J(ab,cb) = J(ab,c)J(ab,b) = J(ab,c)J(0,b) = J(ab,c)*0 */ + retval = 0; + } + else + retval = mpz_legendre (pi, qi); + mpz_clear (gcdval); + return retval; +#else + return mpz_legendre (pi, qi); +#endif +} diff --git a/contrib/libgmp/mpz/legendre.c b/contrib/libgmp/mpz/legendre.c new file mode 100644 index 000000000000..4de16a63143a --- /dev/null +++ b/contrib/libgmp/mpz/legendre.c @@ -0,0 +1,184 @@ +/* mpz_legendre (op1, op2). + Contributed by Bennet Yee (bsy) at Carnegie-Mellon University + +Copyright (C) 1992, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" + +#if defined (DEBUG) +#include <stdio.h> +#endif + +/* Precondition: both p and q are positive */ + +int +#if __STDC__ +mpz_legendre (mpz_srcptr pi, mpz_srcptr qi) +#else +mpz_legendre (pi, qi) +mpz_srcptr pi, qi; +#endif +{ + mpz_t p, q, qdiv2; +#ifdef Q_MINUS_1 + mpz_t q_minus_1; +#endif + mpz_ptr mtmp; + register mpz_ptr pptr, qptr; + register int retval = 1; + register unsigned long int s; + + pptr = p; + mpz_init_set (pptr, pi); + qptr = q; + mpz_init_set (qptr, qi); + +#ifdef Q_MINUS_1 + mpz_init (q_minus_1); +#endif + mpz_init (qdiv2); + +tail_recurse2: +#ifdef DEBUG + printf ("tail_recurse2: p="); + mpz_out_str (stdout, 10, pptr); + printf ("\nq="); + mpz_out_str (stdout, 10, qptr); + putchar ('\n'); +#endif + s = mpz_scan1 (qptr, 0); + if (s) mpz_tdiv_q_2exp (qptr, qptr, s); /* J(a,2) = 1 */ +#ifdef DEBUG + printf ("2 factor decomposition: p="); + mpz_out_str (stdout, 10, pptr); + printf ("\nq="); + mpz_out_str (stdout, 10, qptr); + putchar ('\n'); +#endif + /* postcondition q odd */ + if (!mpz_cmp_ui (qptr, 1L)) /* J(a,1) = 1 */ + goto done; + mpz_mod (pptr, pptr, qptr); /* J(a,q) = J(b,q) when a == b mod q */ +#ifdef DEBUG + printf ("mod out by q: p="); + mpz_out_str (stdout, 10, pptr); + printf ("\nq="); + mpz_out_str (stdout, 10, qptr); + putchar ('\n'); +#endif + /* quick calculation to get approximate size first */ + /* precondition: p < q */ + if ((mpz_sizeinbase (pptr, 2) + 1 >= mpz_sizeinbase (qptr,2)) + && (mpz_tdiv_q_2exp (qdiv2, qptr, 1L), mpz_cmp (pptr, qdiv2) > 0)) + { + /* p > q/2 */ + mpz_sub (pptr, qptr, pptr); + /* J(-1,q) = (-1)^((q-1)/2), q odd */ + if (mpz_get_ui (qptr) & 2) + retval = -retval; + } + /* p < q/2 */ +#ifdef Q_MINUS_1 + mpz_sub_ui (q_minus_q, qptr, 1L); +#endif +tail_recurse: /* we use tail_recurse only if q has not changed */ +#ifdef DEBUG + printf ("tail_recurse1: p="); + mpz_out_str (stdout, 10, pptr); + printf ("\nq="); + mpz_out_str (stdout, 10, qptr); + putchar ('\n'); +#endif + /* + * J(0,q) = 0 + * this occurs only if gcd(p,q) != 1 which is never true for + * Legendre function. + */ + if (!mpz_cmp_ui (pptr, 0L)) + { + retval = 0; + goto done; + } + + if (!mpz_cmp_ui (pptr, 1L)) + { + /* J(1,q) = 1 */ + /* retval *= 1; */ + goto done; + } +#ifdef Q_MINUS_1 + if (!mpz_cmp (pptr, q_minus_1)) + { + /* J(-1,q) = (-1)^((q-1)/2) */ + if (mpz_get_ui (qptr) & 2) + retval = -retval; + /* else retval *= 1; */ + goto done; + } +#endif + /* + * we do not handle J(xy,q) except for x==2 + * since we do not want to factor + */ + if ((s = mpz_scan1 (pptr, 0)) != 0) + { + /* + * J(2,q) = (-1)^((q^2-1)/8) + * + * Note that q odd guarantees that q^2-1 is divisible by 8: + * Let a: q=2a+1. q^2 = 4a^2+4a+1, (q^2-1)/8 = a(a+1)/2, qed + * + * Now, note that this means that the low two bits of _a_ + * (or the low bits of q shifted over by 1 determines + * the factor). + */ + mpz_tdiv_q_2exp (pptr, pptr, s); + + /* even powers of 2 gives J(2,q)^{2n} = 1 */ + if (s & 1) + { + s = mpz_get_ui (qptr) >> 1; + s = s * (s + 1); + if (s & 2) + retval = -retval; + } + goto tail_recurse; + } + /* + * we know p is odd since we have cast out 2s + * precondition that q is odd guarantees both odd. + * + * quadratic reciprocity + * J(p,q) = (-1)^((p-1)(q-1)/4) * J(q,p) + */ + if ((s = mpz_scan1 (pptr, 1)) <= 2 && (s + mpz_scan1 (qptr, 1)) <= 2) + retval = -retval; + + mtmp = pptr; pptr = qptr; qptr = mtmp; + goto tail_recurse2; +done: + mpz_clear (p); + mpz_clear (q); + mpz_clear (qdiv2); +#ifdef Q_MINUS_1 + mpz_clear (q_minus_1); +#endif + return retval; +} diff --git a/contrib/libgmp/mpz/mod.c b/contrib/libgmp/mpz/mod.c new file mode 100644 index 000000000000..b2b8b39bbed2 --- /dev/null +++ b/contrib/libgmp/mpz/mod.c @@ -0,0 +1,63 @@ +/* mpz_mod -- The mathematical mod function. + +Copyright (C) 1991, 1993, 1994, 1995, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_mod (mpz_ptr rem, mpz_srcptr dividend, mpz_srcptr divisor) +#else +mpz_mod (rem, dividend, divisor) + mpz_ptr rem; + mpz_srcptr dividend; + mpz_srcptr divisor; +#endif +{ + mp_size_t divisor_size = divisor->_mp_size; + mpz_t temp_divisor; /* N.B.: lives until function returns! */ + TMP_DECL (marker); + + TMP_MARK (marker); + + /* We need the original value of the divisor after the remainder has been + preliminary calculated. We have to copy it to temporary space if it's + the same variable as REM. */ + if (rem == divisor) + { + MPZ_TMP_INIT (temp_divisor, ABS (divisor_size)); + mpz_set (temp_divisor, divisor); + divisor = temp_divisor; + } + + mpz_tdiv_r (rem, dividend, divisor); + + if (rem->_mp_size != 0) + { + if (dividend->_mp_size < 0) + if (divisor->_mp_size < 0) + mpz_sub (rem, rem, divisor); + else + mpz_add (rem, rem, divisor); + } + + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/mul.c b/contrib/libgmp/mpz/mul.c new file mode 100644 index 000000000000..47ce8e3548d7 --- /dev/null +++ b/contrib/libgmp/mpz/mul.c @@ -0,0 +1,127 @@ +/* mpz_mul -- Multiply two integers. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +#ifndef BERKELEY_MP +void +#if __STDC__ +mpz_mul (mpz_ptr w, mpz_srcptr u, mpz_srcptr v) +#else +mpz_mul (w, u, v) + mpz_ptr w; + mpz_srcptr u; + mpz_srcptr v; +#endif +#else /* BERKELEY_MP */ +void +#if __STDC__ +mult (mpz_srcptr u, mpz_srcptr v, mpz_ptr w) +#else +mult (u, v, w) + mpz_srcptr u; + mpz_srcptr v; + mpz_ptr w; +#endif +#endif /* BERKELEY_MP */ +{ + mp_size_t usize = u->_mp_size; + mp_size_t vsize = v->_mp_size; + mp_size_t wsize; + mp_size_t sign_product; + mp_ptr up, vp; + mp_ptr wp; + mp_ptr free_me = NULL; + size_t free_me_size; + mp_limb_t cy_limb; + TMP_DECL (marker); + + TMP_MARK (marker); + sign_product = usize ^ vsize; + usize = ABS (usize); + vsize = ABS (vsize); + + if (usize < vsize) + { + /* Swap U and V. */ + {const __mpz_struct *t = u; u = v; v = t;} + {mp_size_t t = usize; usize = vsize; vsize = t;} + } + + up = u->_mp_d; + vp = v->_mp_d; + wp = w->_mp_d; + + /* Ensure W has space enough to store the result. */ + wsize = usize + vsize; + if (w->_mp_alloc < wsize) + { + if (wp == up || wp == vp) + { + free_me = wp; + free_me_size = w->_mp_alloc; + } + else + (*_mp_free_func) (wp, w->_mp_alloc * BYTES_PER_MP_LIMB); + + w->_mp_alloc = wsize; + wp = (mp_ptr) (*_mp_allocate_func) (wsize * BYTES_PER_MP_LIMB); + w->_mp_d = wp; + } + else + { + /* Make U and V not overlap with W. */ + if (wp == up) + { + /* W and U are identical. Allocate temporary space for U. */ + up = (mp_ptr) TMP_ALLOC (usize * BYTES_PER_MP_LIMB); + /* Is V identical too? Keep it identical with U. */ + if (wp == vp) + vp = up; + /* Copy to the temporary space. */ + MPN_COPY (up, wp, usize); + } + else if (wp == vp) + { + /* W and V are identical. Allocate temporary space for V. */ + vp = (mp_ptr) TMP_ALLOC (vsize * BYTES_PER_MP_LIMB); + /* Copy to the temporary space. */ + MPN_COPY (vp, wp, vsize); + } + } + + if (vsize == 0) + { + wsize = 0; + } + else + { + cy_limb = mpn_mul (wp, up, usize, vp, vsize); + wsize = usize + vsize; + wsize -= cy_limb == 0; + } + + w->_mp_size = sign_product < 0 ? -wsize : wsize; + if (free_me != NULL) + (*_mp_free_func) (free_me, free_me_size * BYTES_PER_MP_LIMB); + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/mul_2exp.c b/contrib/libgmp/mpz/mul_2exp.c new file mode 100644 index 000000000000..4d66a9877e3a --- /dev/null +++ b/contrib/libgmp/mpz/mul_2exp.c @@ -0,0 +1,76 @@ +/* mpz_mul_2exp -- Multiply a bignum by 2**CNT + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_mul_2exp (mpz_ptr w, mpz_srcptr u, unsigned long int cnt) +#else +mpz_mul_2exp (w, u, cnt) + mpz_ptr w; + mpz_srcptr u; + unsigned long int cnt; +#endif +{ + mp_size_t usize = u->_mp_size; + mp_size_t abs_usize = ABS (usize); + mp_size_t wsize; + mp_size_t limb_cnt; + mp_ptr wp; + mp_limb_t wlimb; + + if (usize == 0) + { + w->_mp_size = 0; + return; + } + + limb_cnt = cnt / BITS_PER_MP_LIMB; + wsize = abs_usize + limb_cnt + 1; + if (w->_mp_alloc < wsize) + _mpz_realloc (w, wsize); + + wp = w->_mp_d; + wsize = abs_usize + limb_cnt; + + cnt %= BITS_PER_MP_LIMB; + if (cnt != 0) + { + wlimb = mpn_lshift (wp + limb_cnt, u->_mp_d, abs_usize, cnt); + if (wlimb != 0) + { + wp[wsize] = wlimb; + wsize++; + } + } + else + { + MPN_COPY_DECR (wp + limb_cnt, u->_mp_d, abs_usize); + } + + /* Zero all whole limbs at low end. Do it here and not before calling + mpn_lshift, not to lose for U == W. */ + MPN_ZERO (wp, limb_cnt); + + w->_mp_size = usize >= 0 ? wsize : -wsize; +} diff --git a/contrib/libgmp/mpz/mul_ui.c b/contrib/libgmp/mpz/mul_ui.c new file mode 100644 index 000000000000..f1f72695904b --- /dev/null +++ b/contrib/libgmp/mpz/mul_ui.c @@ -0,0 +1,64 @@ +/* mpz_mul_ui(product, multiplier, small_multiplicand) -- Set + PRODUCT to MULTIPLICATOR times SMALL_MULTIPLICAND. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_mul_ui (mpz_ptr prod, mpz_srcptr mult, unsigned long int small_mult) +#else +mpz_mul_ui (prod, mult, small_mult) + mpz_ptr prod; + mpz_srcptr mult; + unsigned long int small_mult; +#endif +{ + mp_size_t size = mult->_mp_size; + mp_size_t sign_product = size; + mp_limb_t cy; + mp_size_t prod_size; + mp_ptr prod_ptr; + + size = ABS (size); + + if (size == 0 || small_mult == 0) + { + prod->_mp_size = 0; + return; + } + + prod_size = size + 1; + if (prod->_mp_alloc < prod_size) + _mpz_realloc (prod, prod_size); + + prod_ptr = prod->_mp_d; + + cy = mpn_mul_1 (prod_ptr, mult->_mp_d, size, (mp_limb_t) small_mult); + if (cy != 0) + { + prod_ptr[size] = cy; + size++; + } + + prod->_mp_size = sign_product >= 0 ? size : -size; +} diff --git a/contrib/libgmp/mpz/neg.c b/contrib/libgmp/mpz/neg.c new file mode 100644 index 000000000000..0b48e5c7b4fb --- /dev/null +++ b/contrib/libgmp/mpz/neg.c @@ -0,0 +1,53 @@ +/* mpz_neg(mpz_ptr dst, mpz_ptr src) -- Assign the negated value of SRC to DST. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_neg (mpz_ptr w, mpz_srcptr u) +#else +mpz_neg (w, u) + mpz_ptr w; + mpz_srcptr u; +#endif +{ + mp_ptr wp, up; + mp_size_t usize, size; + + usize = u->_mp_size; + + if (u != w) + { + size = ABS (usize); + + if (w->_mp_alloc < size) + _mpz_realloc (w, size); + + wp = w->_mp_d; + up = u->_mp_d; + + MPN_COPY (wp, up, size); + } + + w->_mp_size = -usize; +} diff --git a/contrib/libgmp/mpz/out_raw.c b/contrib/libgmp/mpz/out_raw.c new file mode 100644 index 000000000000..35d311b43874 --- /dev/null +++ b/contrib/libgmp/mpz/out_raw.c @@ -0,0 +1,89 @@ +/* mpz_out_raw -- Output a mpz_t in binary. Use an endianess and word size + independent format. + +Copyright (C) 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> + +#include "gmp.h" +#include "gmp-impl.h" + +size_t +#if __STDC__ +mpz_out_raw (FILE *stream, mpz_srcptr x) +#else +mpz_out_raw (stream, x) + FILE *stream; + mpz_srcptr x; +#endif +{ + int i; + mp_size_t s; + mp_size_t xsize = ABS (x->_mp_size); + mp_srcptr xp = x->_mp_d; + mp_size_t out_bytesize; + mp_limb_t hi_limb; + int n_bytes_in_hi_limb; + + if (stream == 0) + stream = stdout; + + if (xsize == 0) + { + for (i = 4 - 1; i >= 0; i--) + fputc (0, stream); + return ferror (stream) ? 0 : 4; + } + + hi_limb = xp[xsize - 1]; + for (i = BYTES_PER_MP_LIMB - 1; i > 0; i--) + { + if ((hi_limb >> i * BITS_PER_CHAR) != 0) + break; + } + n_bytes_in_hi_limb = i + 1; + out_bytesize = BYTES_PER_MP_LIMB * (xsize - 1) + n_bytes_in_hi_limb; + if (x->_mp_size < 0) + out_bytesize = -out_bytesize; + + /* Make the size 4 bytes on all machines, to make the format portable. */ + for (i = 4 - 1; i >= 0; i--) + fputc ((out_bytesize >> (i * BITS_PER_CHAR)) % (1 << BITS_PER_CHAR), + stream); + + /* Output from the most significant limb to the least significant limb, + with each limb also output in decreasing significance order. */ + + /* Output the most significant limb separately, since we will only + output some of its bytes. */ + for (i = n_bytes_in_hi_limb - 1; i >= 0; i--) + fputc ((hi_limb >> (i * BITS_PER_CHAR)) % (1 << BITS_PER_CHAR), stream); + + /* Output the remaining limbs. */ + for (s = xsize - 2; s >= 0; s--) + { + mp_limb_t x_limb; + + x_limb = xp[s]; + for (i = BYTES_PER_MP_LIMB - 1; i >= 0; i--) + fputc ((x_limb >> (i * BITS_PER_CHAR)) % (1 << BITS_PER_CHAR), stream); + } + return ferror (stream) ? 0 : ABS (out_bytesize) + 4; +} diff --git a/contrib/libgmp/mpz/out_str.c b/contrib/libgmp/mpz/out_str.c new file mode 100644 index 000000000000..909f53346d23 --- /dev/null +++ b/contrib/libgmp/mpz/out_str.c @@ -0,0 +1,108 @@ +/* mpz_out_str(stream, base, integer) -- Output to STREAM the multi prec. + integer INTEGER in base BASE. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" + +size_t +#if __STDC__ +mpz_out_str (FILE *stream, int base, mpz_srcptr x) +#else +mpz_out_str (stream, base, x) + FILE *stream; + int base; + mpz_srcptr x; +#endif +{ + mp_ptr xp; + mp_size_t x_size = x->_mp_size; + unsigned char *str; + size_t str_size; + size_t i; + size_t written; + char *num_to_text; + TMP_DECL (marker); + + if (stream == 0) + stream = stdout; + + if (base >= 0) + { + if (base == 0) + base = 10; + num_to_text = "0123456789abcdefghijklmnopqrstuvwxyz"; + } + else + { + base = -base; + num_to_text = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + } + + if (x_size == 0) + { + fputc ('0', stream); + return ferror (stream) ? 0 : 1; + } + + written = 0; + + if (x_size < 0) + { + fputc ('-', stream); + x_size = -x_size; + written = 1; + } + + TMP_MARK (marker); + str_size = ((size_t) (x_size * BITS_PER_MP_LIMB + * __mp_bases[base].chars_per_bit_exactly)) + 3; + str = (unsigned char *) TMP_ALLOC (str_size); + + /* Move the number to convert into temporary space, since mpn_get_str + clobbers its argument + needs one extra high limb.... */ + xp = (mp_ptr) TMP_ALLOC ((x_size + 1) * BYTES_PER_MP_LIMB); + MPN_COPY (xp, x->_mp_d, x_size); + + str_size = mpn_get_str (str, base, xp, x_size); + + /* mpn_get_str might make some leading zeros. Skip them. */ + while (*str == 0) + { + str_size--; + str++; + } + + /* Translate to printable chars. */ + for (i = 0; i < str_size; i++) + str[i] = num_to_text[str[i]]; + str[str_size] = 0; + + { + size_t fwret; + fwret = fwrite ((char *) str, 1, str_size, stream); + written += fwret; + } + + TMP_FREE (marker); + return ferror (stream) ? 0 : written; +} diff --git a/contrib/libgmp/mpz/perfsqr.c b/contrib/libgmp/mpz/perfsqr.c new file mode 100644 index 000000000000..cdf1b5a27114 --- /dev/null +++ b/contrib/libgmp/mpz/perfsqr.c @@ -0,0 +1,41 @@ +/* mpz_perfect_square_p(arg) -- Return non-zero if ARG is a perfect square, + zero otherwise. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +int +#if __STDC__ +mpz_perfect_square_p (mpz_srcptr a) +#else +mpz_perfect_square_p (a) + mpz_srcptr a; +#endif +{ + mp_size_t asize = a->_mp_size; + + /* No negative numbers are perfect squares. */ + if (asize < 0) + return 0; + + return mpn_perfect_square_p (a->_mp_d, asize); +} diff --git a/contrib/libgmp/mpz/popcount.c b/contrib/libgmp/mpz/popcount.c new file mode 100644 index 000000000000..a97938030938 --- /dev/null +++ b/contrib/libgmp/mpz/popcount.c @@ -0,0 +1,42 @@ +/* mpz_popcount(mpz_ptr op) -- Population count of OP. If the operand is + negative, return ~0 (a novel representation of infinity). + +Copyright (C) 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_popcount (mpz_srcptr u) +#else +mpz_popcount (u) + mpz_srcptr u; +#endif +{ + mp_size_t usize; + + usize = u->_mp_size; + + if ((usize) < 0) + return ~ (unsigned long int) 0; + + return mpn_popcount (u->_mp_d, usize); +} diff --git a/contrib/libgmp/mpz/pow_ui.c b/contrib/libgmp/mpz/pow_ui.c new file mode 100644 index 000000000000..d8cf7a610684 --- /dev/null +++ b/contrib/libgmp/mpz/pow_ui.c @@ -0,0 +1,129 @@ +/* mpz_pow_ui(res, base, exp) -- Set RES to BASE**EXP. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#ifdef BERKELEY_MP +#include "mp.h" +#endif +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +#ifndef BERKELEY_MP +void +#if __STDC__ +mpz_pow_ui (mpz_ptr r, mpz_srcptr b, unsigned long int e) +#else +mpz_pow_ui (r, b, e) + mpz_ptr r; + mpz_srcptr b; + unsigned long int e; +#endif +#else /* BERKELEY_MP */ +void +#if __STDC__ +rpow (const MINT *b, signed short int e, MINT *r) +#else +rpow (b, e, r) + const MINT *b; + signed short int e; + MINT *r; +#endif +#endif /* BERKELEY_MP */ +{ + mp_ptr rp, bp, tp, xp; + mp_size_t rsize, bsize; + int cnt, i; + mp_limb_t blimb; + TMP_DECL (marker); + + bsize = ABS (b->_mp_size); + + /* Single out cases that give result == 0 or 1. These tests are here + to simplify the general code below, not to optimize. */ + if (e == 0) + { + r->_mp_d[0] = 1; + r->_mp_size = 1; + return; + } + if (bsize == 0 +#ifdef BERKELEY_MP + || e < 0 +#endif + ) + { + r->_mp_size = 0; + return; + } + + bp = b->_mp_d; + + blimb = bp[bsize - 1]; + if (bsize == 1 && blimb < 0x100) + { + /* Estimate space requirements accurately. Using the code from the + `else' path would over-estimate space requirements wildly. */ + float lb = __mp_bases[blimb].chars_per_bit_exactly; + rsize = 2 + ((mp_size_t) (e / lb) / BITS_PER_MP_LIMB); + } + else + { + /* Over-estimate space requirements somewhat. */ + count_leading_zeros (cnt, blimb); + rsize = bsize * e - cnt * e / BITS_PER_MP_LIMB + 1; + } + + TMP_MARK (marker); + + /* The two areas are used to alternatingly hold the input and recieve the + product for mpn_mul. (This scheme is used to fulfill the requirements + of mpn_mul; that the product space may not be the same as any of the + input operands.) */ + rp = (mp_ptr) TMP_ALLOC (rsize * BYTES_PER_MP_LIMB); + tp = (mp_ptr) TMP_ALLOC (rsize * BYTES_PER_MP_LIMB); + + MPN_COPY (rp, bp, bsize); + rsize = bsize; + count_leading_zeros (cnt, e); + + for (i = BITS_PER_MP_LIMB - cnt - 2; i >= 0; i--) + { + mpn_mul_n (tp, rp, rp, rsize); + rsize = 2 * rsize; + rsize -= tp[rsize - 1] == 0; + xp = tp; tp = rp; rp = xp; + + if ((e & ((mp_limb_t) 1 << i)) != 0) + { + rsize = rsize + bsize - (mpn_mul (tp, rp, rsize, bp, bsize) == 0); + xp = tp; tp = rp; rp = xp; + } + } + + /* Now then we know the exact space requirements, reallocate if + necessary. */ + if (r->_mp_alloc < rsize) + _mpz_realloc (r, rsize); + + MPN_COPY (r->_mp_d, rp, rsize); + r->_mp_size = (e & 1) == 0 || b->_mp_size >= 0 ? rsize : -rsize; + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/powm.c b/contrib/libgmp/mpz/powm.c new file mode 100644 index 000000000000..5dcd1b128248 --- /dev/null +++ b/contrib/libgmp/mpz/powm.c @@ -0,0 +1,276 @@ +/* mpz_powm(res,base,exp,mod) -- Set RES to (base**exp) mod MOD. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +#ifndef BERKELEY_MP +void +#if __STDC__ +mpz_powm (mpz_ptr res, mpz_srcptr base, mpz_srcptr exp, mpz_srcptr mod) +#else +mpz_powm (res, base, exp, mod) + mpz_ptr res; + mpz_srcptr base; + mpz_srcptr exp; + mpz_srcptr mod; +#endif +#else /* BERKELEY_MP */ +void +#if __STDC__ +pow (mpz_srcptr base, mpz_srcptr exp, mpz_srcptr mod, mpz_ptr res) +#else +pow (base, exp, mod, res) + mpz_srcptr base; + mpz_srcptr exp; + mpz_srcptr mod; + mpz_ptr res; +#endif +#endif /* BERKELEY_MP */ +{ + mp_ptr rp, ep, mp, bp; + mp_size_t esize, msize, bsize, rsize; + mp_size_t size; + int mod_shift_cnt; + int negative_result; + mp_limb_t *free_me = NULL; + size_t free_me_size; + TMP_DECL (marker); + + esize = ABS (exp->_mp_size); + msize = ABS (mod->_mp_size); + size = 2 * msize; + + rp = res->_mp_d; + ep = exp->_mp_d; + + if (msize == 0) + msize = 1 / msize; /* provoke a signal */ + + if (esize == 0) + { + /* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0 + depending on if MOD equals 1. */ + rp[0] = 1; + res->_mp_size = (msize == 1 && (mod->_mp_d)[0] == 1) ? 0 : 1; + return; + } + + TMP_MARK (marker); + + /* Normalize MOD (i.e. make its most significant bit set) as required by + mpn_divmod. This will make the intermediate values in the calculation + slightly larger, but the correct result is obtained after a final + reduction using the original MOD value. */ + + mp = (mp_ptr) TMP_ALLOC (msize * BYTES_PER_MP_LIMB); + count_leading_zeros (mod_shift_cnt, mod->_mp_d[msize - 1]); + if (mod_shift_cnt != 0) + mpn_lshift (mp, mod->_mp_d, msize, mod_shift_cnt); + else + MPN_COPY (mp, mod->_mp_d, msize); + + bsize = ABS (base->_mp_size); + if (bsize > msize) + { + /* The base is larger than the module. Reduce it. */ + + /* Allocate (BSIZE + 1) with space for remainder and quotient. + (The quotient is (bsize - msize + 1) limbs.) */ + bp = (mp_ptr) TMP_ALLOC ((bsize + 1) * BYTES_PER_MP_LIMB); + MPN_COPY (bp, base->_mp_d, bsize); + /* We don't care about the quotient, store it above the remainder, + at BP + MSIZE. */ + mpn_divmod (bp + msize, bp, bsize, mp, msize); + bsize = msize; + /* Canonicalize the base, since we are going to multiply with it + quite a few times. */ + MPN_NORMALIZE (bp, bsize); + } + else + bp = base->_mp_d; + + if (bsize == 0) + { + res->_mp_size = 0; + TMP_FREE (marker); + return; + } + + if (res->_mp_alloc < size) + { + /* We have to allocate more space for RES. If any of the input + parameters are identical to RES, defer deallocation of the old + space. */ + + if (rp == ep || rp == mp || rp == bp) + { + free_me = rp; + free_me_size = res->_mp_alloc; + } + else + (*_mp_free_func) (rp, res->_mp_alloc * BYTES_PER_MP_LIMB); + + rp = (mp_ptr) (*_mp_allocate_func) (size * BYTES_PER_MP_LIMB); + res->_mp_alloc = size; + res->_mp_d = rp; + } + else + { + /* Make BASE, EXP and MOD not overlap with RES. */ + if (rp == bp) + { + /* RES and BASE are identical. Allocate temp. space for BASE. */ + bp = (mp_ptr) TMP_ALLOC (bsize * BYTES_PER_MP_LIMB); + MPN_COPY (bp, rp, bsize); + } + if (rp == ep) + { + /* RES and EXP are identical. Allocate temp. space for EXP. */ + ep = (mp_ptr) TMP_ALLOC (esize * BYTES_PER_MP_LIMB); + MPN_COPY (ep, rp, esize); + } + if (rp == mp) + { + /* RES and MOD are identical. Allocate temporary space for MOD. */ + mp = (mp_ptr) TMP_ALLOC (msize * BYTES_PER_MP_LIMB); + MPN_COPY (mp, rp, msize); + } + } + + MPN_COPY (rp, bp, bsize); + rsize = bsize; + + { + mp_size_t i; + mp_ptr xp = (mp_ptr) TMP_ALLOC (2 * (msize + 1) * BYTES_PER_MP_LIMB); + int c; + mp_limb_t e; + mp_limb_t carry_limb; + + negative_result = (ep[0] & 1) && base->_mp_size < 0; + + i = esize - 1; + e = ep[i]; + count_leading_zeros (c, e); + e = (e << c) << 1; /* shift the exp bits to the left, lose msb */ + c = BITS_PER_MP_LIMB - 1 - c; + + /* Main loop. + + Make the result be pointed to alternately by XP and RP. This + helps us avoid block copying, which would otherwise be necessary + with the overlap restrictions of mpn_divmod. With 50% probability + the result after this loop will be in the area originally pointed + by RP (==RES->_mp_d), and with 50% probability in the area originally + pointed to by XP. */ + + for (;;) + { + while (c != 0) + { + mp_ptr tp; + mp_size_t xsize; + + mpn_mul_n (xp, rp, rp, rsize); + xsize = 2 * rsize; + if (xsize > msize) + { + mpn_divmod (xp + msize, xp, xsize, mp, msize); + xsize = msize; + } + + tp = rp; rp = xp; xp = tp; + rsize = xsize; + + if ((mp_limb_signed_t) e < 0) + { + mpn_mul (xp, rp, rsize, bp, bsize); + xsize = rsize + bsize; + if (xsize > msize) + { + mpn_divmod (xp + msize, xp, xsize, mp, msize); + xsize = msize; + } + + tp = rp; rp = xp; xp = tp; + rsize = xsize; + } + e <<= 1; + c--; + } + + i--; + if (i < 0) + break; + e = ep[i]; + c = BITS_PER_MP_LIMB; + } + + /* We shifted MOD, the modulo reduction argument, left MOD_SHIFT_CNT + steps. Adjust the result by reducing it with the original MOD. + + Also make sure the result is put in RES->_mp_d (where it already + might be, see above). */ + + if (mod_shift_cnt != 0) + { + carry_limb = mpn_lshift (res->_mp_d, rp, rsize, mod_shift_cnt); + rp = res->_mp_d; + if (carry_limb != 0) + { + rp[rsize] = carry_limb; + rsize++; + } + } + else + { + MPN_COPY (res->_mp_d, rp, rsize); + rp = res->_mp_d; + } + + if (rsize >= msize) + { + mpn_divmod (rp + msize, rp, rsize, mp, msize); + rsize = msize; + } + + /* Remove any leading zero words from the result. */ + if (mod_shift_cnt != 0) + mpn_rshift (rp, rp, rsize, mod_shift_cnt); + MPN_NORMALIZE (rp, rsize); + } + + if (negative_result && rsize != 0) + { + if (mod_shift_cnt != 0) + mpn_rshift (mp, mp, msize, mod_shift_cnt); + mpn_sub (rp, mp, msize, rp, rsize); + rsize = msize; + MPN_NORMALIZE (rp, rsize); + } + res->_mp_size = rsize; + + if (free_me != NULL) + (*_mp_free_func) (free_me, free_me_size * BYTES_PER_MP_LIMB); + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/powm_ui.c b/contrib/libgmp/mpz/powm_ui.c new file mode 100644 index 000000000000..596815a0ea4c --- /dev/null +++ b/contrib/libgmp/mpz/powm_ui.c @@ -0,0 +1,234 @@ +/* mpz_powm_ui(res,base,exp,mod) -- Set RES to (base**exp) mod MOD. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void +#if __STDC__ +mpz_powm_ui (mpz_ptr res, mpz_srcptr base, unsigned long int exp, mpz_srcptr mod) +#else +mpz_powm_ui (res, base, exp, mod) + mpz_ptr res; + mpz_srcptr base; + unsigned long int exp; + mpz_srcptr mod; +#endif +{ + mp_ptr rp, mp, bp; + mp_size_t msize, bsize, rsize; + mp_size_t size; + int mod_shift_cnt; + int negative_result; + mp_limb_t *free_me = NULL; + size_t free_me_size; + TMP_DECL (marker); + + msize = ABS (mod->_mp_size); + size = 2 * msize; + + rp = res->_mp_d; + + if (msize == 0) + msize = 1 / msize; /* provoke a signal */ + + if (exp == 0) + { + rp[0] = 1; + res->_mp_size = (msize == 1 && (mod->_mp_d)[0] == 1) ? 0 : 1; + return; + } + + TMP_MARK (marker); + + /* Normalize MOD (i.e. make its most significant bit set) as required by + mpn_divmod. This will make the intermediate values in the calculation + slightly larger, but the correct result is obtained after a final + reduction using the original MOD value. */ + + mp = (mp_ptr) TMP_ALLOC (msize * BYTES_PER_MP_LIMB); + count_leading_zeros (mod_shift_cnt, mod->_mp_d[msize - 1]); + if (mod_shift_cnt != 0) + mpn_lshift (mp, mod->_mp_d, msize, mod_shift_cnt); + else + MPN_COPY (mp, mod->_mp_d, msize); + + bsize = ABS (base->_mp_size); + if (bsize > msize) + { + /* The base is larger than the module. Reduce it. */ + + /* Allocate (BSIZE + 1) with space for remainder and quotient. + (The quotient is (bsize - msize + 1) limbs.) */ + bp = (mp_ptr) TMP_ALLOC ((bsize + 1) * BYTES_PER_MP_LIMB); + MPN_COPY (bp, base->_mp_d, bsize); + /* We don't care about the quotient, store it above the remainder, + at BP + MSIZE. */ + mpn_divmod (bp + msize, bp, bsize, mp, msize); + bsize = msize; + /* Canonicalize the base, since we are going to multiply with it + quite a few times. */ + MPN_NORMALIZE (bp, bsize); + } + else + bp = base->_mp_d; + + if (bsize == 0) + { + res->_mp_size = 0; + TMP_FREE (marker); + return; + } + + if (res->_mp_alloc < size) + { + /* We have to allocate more space for RES. If any of the input + parameters are identical to RES, defer deallocation of the old + space. */ + + if (rp == mp || rp == bp) + { + free_me = rp; + free_me_size = res->_mp_alloc; + } + else + (*_mp_free_func) (rp, res->_mp_alloc * BYTES_PER_MP_LIMB); + + rp = (mp_ptr) (*_mp_allocate_func) (size * BYTES_PER_MP_LIMB); + res->_mp_alloc = size; + res->_mp_d = rp; + } + else + { + /* Make BASE, EXP and MOD not overlap with RES. */ + if (rp == bp) + { + /* RES and BASE are identical. Allocate temp. space for BASE. */ + bp = (mp_ptr) TMP_ALLOC (bsize * BYTES_PER_MP_LIMB); + MPN_COPY (bp, rp, bsize); + } + if (rp == mp) + { + /* RES and MOD are identical. Allocate temporary space for MOD. */ + mp = (mp_ptr) TMP_ALLOC (msize * BYTES_PER_MP_LIMB); + MPN_COPY (mp, rp, msize); + } + } + + MPN_COPY (rp, bp, bsize); + rsize = bsize; + + { + mp_ptr xp = (mp_ptr) TMP_ALLOC (2 * (msize + 1) * BYTES_PER_MP_LIMB); + int c; + mp_limb_t e; + mp_limb_t carry_limb; + + negative_result = (exp & 1) && base->_mp_size < 0; + + e = exp; + count_leading_zeros (c, e); + e = (e << c) << 1; /* shift the exp bits to the left, lose msb */ + c = BITS_PER_MP_LIMB - 1 - c; + + /* Main loop. + + Make the result be pointed to alternately by XP and RP. This + helps us avoid block copying, which would otherwise be necessary + with the overlap restrictions of mpn_divmod. With 50% probability + the result after this loop will be in the area originally pointed + by RP (==RES->_mp_d), and with 50% probability in the area originally + pointed to by XP. */ + + while (c != 0) + { + mp_ptr tp; + mp_size_t xsize; + + mpn_mul_n (xp, rp, rp, rsize); + xsize = 2 * rsize; + if (xsize > msize) + { + mpn_divmod (xp + msize, xp, xsize, mp, msize); + xsize = msize; + } + + tp = rp; rp = xp; xp = tp; + rsize = xsize; + + if ((mp_limb_signed_t) e < 0) + { + mpn_mul (xp, rp, rsize, bp, bsize); + xsize = rsize + bsize; + if (xsize > msize) + { + mpn_divmod (xp + msize, xp, xsize, mp, msize); + xsize = msize; + } + + tp = rp; rp = xp; xp = tp; + rsize = xsize; + } + e <<= 1; + c--; + } + + /* We shifted MOD, the modulo reduction argument, left MOD_SHIFT_CNT + steps. Adjust the result by reducing it with the original MOD. + + Also make sure the result is put in RES->_mp_d (where it already + might be, see above). */ + + if (mod_shift_cnt != 0) + { + carry_limb = mpn_lshift (res->_mp_d, rp, rsize, mod_shift_cnt); + rp = res->_mp_d; + if (carry_limb != 0) + { + rp[rsize] = carry_limb; + rsize++; + } + } + else + { + MPN_COPY (res->_mp_d, rp, rsize); + rp = res->_mp_d; + } + + if (rsize >= msize) + { + mpn_divmod (rp + msize, rp, rsize, mp, msize); + rsize = msize; + } + + /* Remove any leading zero words from the result. */ + if (mod_shift_cnt != 0) + mpn_rshift (rp, rp, rsize, mod_shift_cnt); + MPN_NORMALIZE (rp, rsize); + } + + res->_mp_size = negative_result == 0 ? rsize : -rsize; + + if (free_me != NULL) + (*_mp_free_func) (free_me, free_me_size * BYTES_PER_MP_LIMB); + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/pprime_p.c b/contrib/libgmp/mpz/pprime_p.c new file mode 100644 index 000000000000..494de14cae56 --- /dev/null +++ b/contrib/libgmp/mpz/pprime_p.c @@ -0,0 +1,115 @@ +/* mpz_probab_prime_p -- + An implementation of the probabilistic primality test found in Knuth's + Seminumerical Algorithms book. If the function mpz_probab_prime_p() + returns 0 then n is not prime. If it returns 1, then n is 'probably' + prime. The probability of a false positive is (1/4)**reps, where + reps is the number of internal passes of the probabilistic algorithm. + Knuth indicates that 25 passes are reasonable. + +Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc. +Contributed by John Amanatides. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" + +static int +possibly_prime (n, n_minus_1, x, y, q, k) + mpz_srcptr n; + mpz_srcptr n_minus_1; + mpz_ptr x; + mpz_ptr y; + mpz_srcptr q; + unsigned long int k; +{ + unsigned long int i; + + /* find random x s.t. 1 < x < n */ + do + { + mpz_random (x, mpz_size (n)); + mpz_mmod (x, x, n); + } + while (mpz_cmp_ui (x, 1L) <= 0); + + mpz_powm (y, x, q, n); + + if (mpz_cmp_ui (y, 1L) == 0 || mpz_cmp (y, n_minus_1) == 0) + return 1; + + for (i = 1; i < k; i++) + { + mpz_powm_ui (y, y, 2L, n); + if (mpz_cmp (y, n_minus_1) == 0) + return 1; + if (mpz_cmp_ui (y, 1L) == 0) + return 0; + } + return 0; +} + +int +#if __STDC__ +mpz_probab_prime_p (mpz_srcptr m, int reps) +#else +mpz_probab_prime_p (m, reps) + mpz_srcptr m; + int reps; +#endif +{ + mpz_t n, n_minus_1, x, y, q; + int i, is_prime; + unsigned long int k; + + mpz_init (n); + /* Take the absolute value of M, to handle positive and negative primes. */ + mpz_abs (n, m); + + if (mpz_cmp_ui (n, 3L) <= 0) + { + mpz_clear (n); + return mpz_cmp_ui (n, 1L) > 0; + } + + if ((mpz_get_ui (n) & 1) == 0) + { + mpz_clear (n); + return 0; /* even */ + } + + mpz_init (n_minus_1); + mpz_sub_ui (n_minus_1, n, 1L); + mpz_init (x); + mpz_init (y); + + /* find q and k, s.t. n = 1 + 2**k * q */ + mpz_init_set (q, n_minus_1); + k = mpz_scan1 (q, 0); + mpz_tdiv_q_2exp (q, q, k); + + is_prime = 1; + for (i = 0; i < reps && is_prime; i++) + is_prime &= possibly_prime (n, n_minus_1, x, y, q, k); + + mpz_clear (n_minus_1); + mpz_clear (n); + mpz_clear (x); + mpz_clear (y); + mpz_clear (q); + return is_prime; +} diff --git a/contrib/libgmp/mpz/random.c b/contrib/libgmp/mpz/random.c new file mode 100644 index 000000000000..ab41eef92664 --- /dev/null +++ b/contrib/libgmp/mpz/random.c @@ -0,0 +1,56 @@ +/* mpz_random -- Generate a random mpz_t of specified size. + This function is non-portable and generates poor random numbers. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void +#if __STDC__ +mpz_random (mpz_ptr x, mp_size_t size) +#else +mpz_random (x, size) + mpz_ptr x; + mp_size_t size; +#endif +{ + mp_size_t i; + mp_limb_t ran; + mp_ptr xp; + mp_size_t abs_size; + + abs_size = ABS (size); + + if (x->_mp_alloc < abs_size) + _mpz_realloc (x, abs_size); + + xp = x->_mp_d; + + for (i = 0; i < abs_size; i++) + { + ran = urandom (); + xp[i] = ran; + } + + MPN_NORMALIZE (xp, abs_size); + x->_mp_size = size < 0 ? -abs_size : abs_size; +} diff --git a/contrib/libgmp/mpz/random2.c b/contrib/libgmp/mpz/random2.c new file mode 100644 index 000000000000..725a8b49143d --- /dev/null +++ b/contrib/libgmp/mpz/random2.c @@ -0,0 +1,48 @@ +/* mpz_random2 -- Generate a positive random mpz_t of specified size, with + long runs of consecutive ones and zeros in the binary representation. + Meant for testing of other MP routines. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_random2 (mpz_ptr x, mp_size_t size) +#else +mpz_random2 (x, size) + mpz_ptr x; + mp_size_t size; +#endif +{ + mp_size_t abs_size; + + abs_size = ABS (size); + if (abs_size != 0) + { + if (x->_mp_alloc < abs_size) + _mpz_realloc (x, abs_size); + + mpn_random2 (x->_mp_d, abs_size); + } + + x->_mp_size = size; +} diff --git a/contrib/libgmp/mpz/realloc.c b/contrib/libgmp/mpz/realloc.c new file mode 100644 index 000000000000..2c2a5da927e8 --- /dev/null +++ b/contrib/libgmp/mpz/realloc.c @@ -0,0 +1,52 @@ +/* _mpz_realloc -- make the mpz_t have NEW_SIZE digits allocated. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void * +#if __STDC__ +_mpz_realloc (mpz_ptr m, mp_size_t new_size) +#else +_mpz_realloc (m, new_size) + mpz_ptr m; + mp_size_t new_size; +#endif +{ + /* Never allocate zero space. */ + if (new_size == 0) + new_size = 1; + + m->_mp_d = (mp_ptr) (*_mp_reallocate_func) (m->_mp_d, + m->_mp_alloc * BYTES_PER_MP_LIMB, + new_size * BYTES_PER_MP_LIMB); + m->_mp_alloc = new_size; + +#if 0 + /* This might break some code that reads the size field after + reallocation, in the case the reallocated destination and a + source argument are identical. */ + if (ABS (m->_mp_size) > new_size) + m->_mp_size = 0; +#endif + + return (void *) m->_mp_d; +} diff --git a/contrib/libgmp/mpz/scan0.c b/contrib/libgmp/mpz/scan0.c new file mode 100644 index 000000000000..8e45aa32482e --- /dev/null +++ b/contrib/libgmp/mpz/scan0.c @@ -0,0 +1,35 @@ +/* mpz_scan0(op, startbit) -- Scan for the next set bit, starting at startbit. + +Copyright (C) 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_scan0 (mpz_srcptr u, unsigned long int starting_bit) +#else +mpz_scan0 (u, starting_bit) + mpz_srcptr u; + unsigned long int starting_bit; +#endif +{ + return mpn_scan0 (u->_mp_d, starting_bit); +} diff --git a/contrib/libgmp/mpz/scan1.c b/contrib/libgmp/mpz/scan1.c new file mode 100644 index 000000000000..6ecb0aab3866 --- /dev/null +++ b/contrib/libgmp/mpz/scan1.c @@ -0,0 +1,35 @@ +/* mpz_scan1(op, startbit) -- Scan for the next set bit, starting at startbit. + +Copyright (C) 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +unsigned long int +#if __STDC__ +mpz_scan1 (mpz_srcptr u, unsigned long int starting_bit) +#else +mpz_scan1 (u, starting_bit) + mpz_srcptr u; + unsigned long int starting_bit; +#endif +{ + return mpn_scan1 (u->_mp_d, starting_bit); +} diff --git a/contrib/libgmp/mpz/set.c b/contrib/libgmp/mpz/set.c new file mode 100644 index 000000000000..d94ab7485b74 --- /dev/null +++ b/contrib/libgmp/mpz/set.c @@ -0,0 +1,48 @@ +/* mpz_set (dest_integer, src_integer) -- Assign DEST_INTEGER from SRC_INTEGER. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_set (mpz_ptr w, mpz_srcptr u) +#else +mpz_set (w, u) + mpz_ptr w; + mpz_srcptr u; +#endif +{ + mp_ptr wp, up; + mp_size_t usize, size; + + usize = u->_mp_size; + size = ABS (usize); + + if (w->_mp_alloc < size) + _mpz_realloc (w, size); + + wp = w->_mp_d; + up = u->_mp_d; + + MPN_COPY (wp, up, size); + w->_mp_size = usize; +} diff --git a/contrib/libgmp/mpz/set_d.c b/contrib/libgmp/mpz/set_d.c new file mode 100644 index 000000000000..c09b1d97e6f3 --- /dev/null +++ b/contrib/libgmp/mpz/set_d.c @@ -0,0 +1,93 @@ +/* mpz_set_d(integer, val) -- Assign INTEGER with a double value VAL. + +Copyright (C) 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_set_d (mpz_ptr r, double d) +#else +mpz_set_d (r, d) + mpz_ptr r; + double d; +#endif +{ + int negative; + mp_size_t size; + mp_limb_t tp[3]; + mp_ptr rp; + + negative = d < 0; + d = ABS (d); + + /* Handle small arguments quickly. */ + if (d < MP_BASE_AS_DOUBLE) + { + mp_limb_t tmp; + tmp = d; + PTR(r)[0] = tmp; + SIZ(r) = negative ? -(tmp != 0) : (tmp != 0); + return; + } + + size = __gmp_extract_double (tp, d); + + if (ALLOC(r) < size) + _mpz_realloc (r, size); + + rp = PTR (r); + +#if BITS_PER_MP_LIMB == 32 + switch (size) + { + default: + MPN_ZERO (rp, size - 3); + rp += size - 3; + case 3: + rp[2] = tp[2]; + rp[1] = tp[1]; + rp[0] = tp[0]; + break; + case 2: + rp[1] = tp[2]; + rp[0] = tp[1]; + break; + case 1: + abort (); + } +#else + switch (size) + { + default: + MPN_ZERO (rp, size - 2); + rp += size - 2; + case 2: + rp[1] = tp[1]; + rp[0] = tp[0]; + break; + case 1: + abort (); + } +#endif + + SIZ(r) = negative ? -size : size; +} diff --git a/contrib/libgmp/mpz/set_f.c b/contrib/libgmp/mpz/set_f.c new file mode 100644 index 000000000000..9547907bb3df --- /dev/null +++ b/contrib/libgmp/mpz/set_f.c @@ -0,0 +1,64 @@ +/* mpz_set_f (dest_integer, src_float) -- Assign DEST_INTEGER from SRC_FLOAT. + +Copyright (C) 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_set_f (mpz_ptr w, mpf_srcptr u) +#else +mpz_set_f (w, u) + mpz_ptr w; + mpf_srcptr u; +#endif +{ + mp_ptr wp, up; + mp_size_t usize, size; + mp_exp_t exp; + + usize = SIZ (u); + size = ABS (usize); + exp = EXP (u); + + if (w->_mp_alloc < exp) + _mpz_realloc (w, exp); + + wp = w->_mp_d; + up = u->_mp_d; + + if (exp <= 0) + { + SIZ (w) = 0; + return; + } + if (exp < size) + { + MPN_COPY (wp, up + size - exp, exp); + } + else + { + MPN_ZERO (wp, exp - size); + MPN_COPY (wp + exp - size, up, size); + } + + w->_mp_size = usize >= 0 ? exp : -exp; +} diff --git a/contrib/libgmp/mpz/set_q.c b/contrib/libgmp/mpz/set_q.c new file mode 100644 index 000000000000..61bd5c70d9c7 --- /dev/null +++ b/contrib/libgmp/mpz/set_q.c @@ -0,0 +1,36 @@ +/* mpz_set_q (dest_integer, src_rational) -- Assign DEST_INTEGER from + SRC_rational. + +Copyright (C) 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_set_q (mpz_ptr w, mpq_srcptr u) +#else +mpz_set_q (w, u) + mpz_ptr w; + mpq_srcptr u; +#endif +{ + mpz_tdiv_q (w, mpq_numref (u), mpq_denref (u)); +} diff --git a/contrib/libgmp/mpz/set_si.c b/contrib/libgmp/mpz/set_si.c new file mode 100644 index 000000000000..82a90a3cc19a --- /dev/null +++ b/contrib/libgmp/mpz/set_si.c @@ -0,0 +1,48 @@ +/* mpz_set_si(integer, val) -- Assign INTEGER with a small value VAL. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_set_si (mpz_ptr dest, signed long int val) +#else +mpz_set_si (dest, val) + mpz_ptr dest; + signed long int val; +#endif +{ + /* We don't check if the allocation is enough, since the rest of the + package ensures it's at least 1, which is what we need here. */ + if (val > 0) + { + dest->_mp_d[0] = val; + dest->_mp_size = 1; + } + else if (val < 0) + { + dest->_mp_d[0] = -val; + dest->_mp_size = -1; + } + else + dest->_mp_size = 0; +} diff --git a/contrib/libgmp/mpz/set_str.c b/contrib/libgmp/mpz/set_str.c new file mode 100644 index 000000000000..d1334b1e0070 --- /dev/null +++ b/contrib/libgmp/mpz/set_str.c @@ -0,0 +1,132 @@ +/* mpz_set_str(mp_dest, string, base) -- Convert the \0-terminated + string STRING in base BASE to multiple precision integer in + MP_DEST. Allow white space in the string. If BASE == 0 determine + the base in the C standard way, i.e. 0xhh...h means base 16, + 0oo...o means base 8, otherwise assume base 10. + +Copyright (C) 1991, 1993, 1994, Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <ctype.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +static int +digit_value_in_base (c, base) + int c; + int base; +{ + int digit; + + if (isdigit (c)) + digit = c - '0'; + else if (islower (c)) + digit = c - 'a' + 10; + else if (isupper (c)) + digit = c - 'A' + 10; + else + return -1; + + if (digit < base) + return digit; + return -1; +} + +int +#if __STDC__ +mpz_set_str (mpz_ptr x, const char *str, int base) +#else +mpz_set_str (x, str, base) + mpz_ptr x; + const char *str; + int base; +#endif +{ + size_t str_size; + char *s, *begs; + size_t i; + mp_size_t xsize; + int c; + int negative; + TMP_DECL (marker); + + /* Skip whitespace. */ + do + c = *str++; + while (isspace (c)); + + negative = 0; + if (c == '-') + { + negative = 1; + c = *str++; + } + + if (digit_value_in_base (c, base == 0 ? 10 : base) < 0) + return -1; /* error if no digits */ + + /* If BASE is 0, try to find out the base by looking at the initial + characters. */ + if (base == 0) + { + base = 10; + if (c == '0') + { + base = 8; + c = *str++; + if (c == 'x' || c == 'X') + { + base = 16; + c = *str++; + } + } + } + + TMP_MARK (marker); + str_size = strlen (str - 1); + s = begs = (char *) TMP_ALLOC (str_size + 1); + + for (i = 0; i < str_size; i++) + { + if (!isspace (c)) + { + int dig = digit_value_in_base (c, base); + if (dig < 0) + { + TMP_FREE (marker); + return -1; + } + *s++ = dig; + } + c = *str++; + } + + str_size = s - begs; + + xsize = str_size / __mp_bases[base].chars_per_limb + 1; + if (x->_mp_alloc < xsize) + _mpz_realloc (x, xsize); + + xsize = mpn_set_str (x->_mp_d, (unsigned char *) begs, str_size, base); + x->_mp_size = negative ? -xsize : xsize; + + TMP_FREE (marker); + return 0; +} diff --git a/contrib/libgmp/mpz/set_ui.c b/contrib/libgmp/mpz/set_ui.c new file mode 100644 index 000000000000..73f6cf54adb0 --- /dev/null +++ b/contrib/libgmp/mpz/set_ui.c @@ -0,0 +1,43 @@ +/* mpz_set_ui(integer, val) -- Assign INTEGER with a small value VAL. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_set_ui (mpz_ptr dest, unsigned long int val) +#else +mpz_set_ui (dest, val) + mpz_ptr dest; + unsigned long int val; +#endif +{ + /* We don't check if the allocation is enough, since the rest of the + package ensures it's at least 1, which is what we need here. */ + if (val > 0) + { + dest->_mp_d[0] = val; + dest->_mp_size = 1; + } + else + dest->_mp_size = 0; +} diff --git a/contrib/libgmp/mpz/setbit.c b/contrib/libgmp/mpz/setbit.c new file mode 100644 index 000000000000..af59e2cc786b --- /dev/null +++ b/contrib/libgmp/mpz/setbit.c @@ -0,0 +1,113 @@ +/* mpz_setbit -- set a specified bit. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_setbit (mpz_ptr d, unsigned long int bit_index) +#else +mpz_setbit (d, bit_index) + mpz_ptr d; + unsigned long int bit_index; +#endif +{ + mp_size_t dsize = d->_mp_size; + mp_ptr dp = d->_mp_d; + mp_size_t limb_index; + + limb_index = bit_index / BITS_PER_MP_LIMB; + if (dsize >= 0) + { + if (limb_index < dsize) + { + dp[limb_index] |= (mp_limb_t) 1 << (bit_index % BITS_PER_MP_LIMB); + d->_mp_size = dsize; + } + else + { + /* Ugh. The bit should be set outside of the end of the + number. We have to increase the size of the number. */ + if (d->_mp_alloc < limb_index + 1) + { + _mpz_realloc (d, limb_index + 1); + dp = d->_mp_d; + } + MPN_ZERO (dp + dsize, limb_index - dsize); + dp[limb_index] = (mp_limb_t) 1 << (bit_index % BITS_PER_MP_LIMB); + d->_mp_size = limb_index + 1; + } + } + else + { + mp_size_t zero_bound; + + /* Simulate two's complement arithmetic, i.e. simulate + 1. Set OP = ~(OP - 1) [with infinitely many leading ones]. + 2. set the bit. + 3. Set OP = ~OP + 1. */ + + dsize = -dsize; + + /* No upper bound on this loop, we're sure there's a non-zero limb + sooner ot later. */ + for (zero_bound = 0; ; zero_bound++) + if (dp[zero_bound] != 0) + break; + + if (limb_index > zero_bound) + { + if (limb_index < dsize) + dp[limb_index] &= ~((mp_limb_t) 1 << (bit_index % BITS_PER_MP_LIMB)); + else + ; + } + else if (limb_index == zero_bound) + { + dp[limb_index] = ((dp[limb_index] - 1) + & ~((mp_limb_t) 1 << (bit_index % BITS_PER_MP_LIMB))) + 1; + if (dp[limb_index] == 0) + { + mp_size_t i; + for (i = limb_index + 1; i < dsize; i++) + { + dp[i] += 1; + if (dp[i] != 0) + goto fin; + } + /* We got carry all way out beyond the end of D. Increase + its size (and allocation if necessary). */ + dsize++; + if (d->_mp_alloc < dsize) + { + _mpz_realloc (d, dsize); + dp = d->_mp_d; + } + dp[i] = 1; + d->_mp_size = -dsize; + fin:; + } + } + else + ; + } +} diff --git a/contrib/libgmp/mpz/size.c b/contrib/libgmp/mpz/size.c new file mode 100644 index 000000000000..0b09fbeb0770 --- /dev/null +++ b/contrib/libgmp/mpz/size.c @@ -0,0 +1,35 @@ +/* mpz_size(x) -- return the number of lims currently used by the + value of integer X. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +size_t +#if __STDC__ +mpz_size (mpz_srcptr x) +#else +mpz_size (x) + mpz_srcptr x; +#endif +{ + return ABS (x->_mp_size); +} diff --git a/contrib/libgmp/mpz/sizeinbase.c b/contrib/libgmp/mpz/sizeinbase.c new file mode 100644 index 000000000000..51bd5558acb5 --- /dev/null +++ b/contrib/libgmp/mpz/sizeinbase.c @@ -0,0 +1,60 @@ +/* mpz_sizeinbase(x, base) -- return an approximation to the number of + character the integer X would have printed in base BASE. The + approximation is never too small. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +size_t +#if __STDC__ +mpz_sizeinbase (mpz_srcptr x, int base) +#else +mpz_sizeinbase (x, base) + mpz_srcptr x; + int base; +#endif +{ + mp_size_t size = ABS (x->_mp_size); + int lb_base, cnt; + size_t totbits; + + /* Special case for X == 0. */ + if (size == 0) + return 1; + + /* Calculate the total number of significant bits of X. */ + count_leading_zeros (cnt, x->_mp_d[size - 1]); + totbits = size * BITS_PER_MP_LIMB - cnt; + + if ((base & (base - 1)) == 0) + { + /* Special case for powers of 2, giving exact result. */ + + count_leading_zeros (lb_base, base); + lb_base = BITS_PER_MP_LIMB - lb_base - 1; + + return (totbits + lb_base - 1) / lb_base; + } + else + return (size_t) (totbits * __mp_bases[base].chars_per_bit_exactly) + 1; +} diff --git a/contrib/libgmp/mpz/sqrt.c b/contrib/libgmp/mpz/sqrt.c new file mode 100644 index 000000000000..44c554eb5c9d --- /dev/null +++ b/contrib/libgmp/mpz/sqrt.c @@ -0,0 +1,85 @@ +/* mpz_sqrt(root, u) -- Set ROOT to floor(sqrt(U)). + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_sqrt (mpz_ptr root, mpz_srcptr op) +#else +mpz_sqrt (root, op) + mpz_ptr root; + mpz_srcptr op; +#endif +{ + mp_size_t op_size, root_size; + mp_ptr root_ptr, op_ptr; + mp_ptr free_me = NULL; + mp_size_t free_me_size; + TMP_DECL (marker); + + TMP_MARK (marker); + op_size = op->_mp_size; + if (op_size < 0) + op_size = 1 / (op_size > 0); /* Divide by zero for negative OP. */ + + /* The size of the root is accurate after this simple calculation. */ + root_size = (op_size + 1) / 2; + + root_ptr = root->_mp_d; + op_ptr = op->_mp_d; + + if (root->_mp_alloc < root_size) + { + if (root_ptr == op_ptr) + { + free_me = root_ptr; + free_me_size = root->_mp_alloc; + } + else + (*_mp_free_func) (root_ptr, root->_mp_alloc * BYTES_PER_MP_LIMB); + + root->_mp_alloc = root_size; + root_ptr = (mp_ptr) (*_mp_allocate_func) (root_size * BYTES_PER_MP_LIMB); + root->_mp_d = root_ptr; + } + else + { + /* Make OP not overlap with ROOT. */ + if (root_ptr == op_ptr) + { + /* ROOT and OP are identical. Allocate temporary space for OP. */ + op_ptr = (mp_ptr) TMP_ALLOC (op_size * BYTES_PER_MP_LIMB); + /* Copy to the temporary space. Hack: Avoid temporary variable + by using ROOT_PTR. */ + MPN_COPY (op_ptr, root_ptr, op_size); + } + } + + mpn_sqrtrem (root_ptr, NULL, op_ptr, op_size); + + root->_mp_size = root_size; + + if (free_me != NULL) + (*_mp_free_func) (free_me, free_me_size * BYTES_PER_MP_LIMB); + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/sqrtrem.c b/contrib/libgmp/mpz/sqrtrem.c new file mode 100644 index 000000000000..757cc5dd569c --- /dev/null +++ b/contrib/libgmp/mpz/sqrtrem.c @@ -0,0 +1,107 @@ +/* mpz_sqrtrem(root,rem,x) -- Set ROOT to floor(sqrt(X)) and REM + to the remainder, i.e. X - ROOT**2. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +#ifndef BERKELEY_MP +void +#if __STDC__ +mpz_sqrtrem (mpz_ptr root, mpz_ptr rem, mpz_srcptr op) +#else +mpz_sqrtrem (root, rem, op) + mpz_ptr root; + mpz_ptr rem; + mpz_srcptr op; +#endif +#else /* BERKELEY_MP */ +void +#if __STDC__ +msqrt (mpz_srcptr op, mpz_ptr root, mpz_ptr rem) +#else +msqrt (op, root, rem) + mpz_srcptr op; + mpz_ptr root; + mpz_ptr rem; +#endif +#endif /* BERKELEY_MP */ +{ + mp_size_t op_size, root_size, rem_size; + mp_ptr root_ptr, op_ptr; + mp_ptr free_me = NULL; + mp_size_t free_me_size; + TMP_DECL (marker); + + TMP_MARK (marker); + op_size = op->_mp_size; + if (op_size < 0) + op_size = 1 / (op_size > 0); /* Divide by zero for negative OP. */ + + if (rem->_mp_alloc < op_size) + _mpz_realloc (rem, op_size); + + /* The size of the root is accurate after this simple calculation. */ + root_size = (op_size + 1) / 2; + + root_ptr = root->_mp_d; + op_ptr = op->_mp_d; + + if (root->_mp_alloc < root_size) + { + if (root_ptr == op_ptr) + { + free_me = root_ptr; + free_me_size = root->_mp_alloc; + } + else + (*_mp_free_func) (root_ptr, root->_mp_alloc * BYTES_PER_MP_LIMB); + + root->_mp_alloc = root_size; + root_ptr = (mp_ptr) (*_mp_allocate_func) (root_size * BYTES_PER_MP_LIMB); + root->_mp_d = root_ptr; + } + else + { + /* Make OP not overlap with ROOT. */ + if (root_ptr == op_ptr) + { + /* ROOT and OP are identical. Allocate temporary space for OP. */ + op_ptr = (mp_ptr) TMP_ALLOC (op_size * BYTES_PER_MP_LIMB); + /* Copy to the temporary space. Hack: Avoid temporary variable + by using ROOT_PTR. */ + MPN_COPY (op_ptr, root_ptr, op_size); + } + } + + rem_size = mpn_sqrtrem (root_ptr, rem->_mp_d, op_ptr, op_size); + + root->_mp_size = root_size; + + /* Write remainder size last, to enable us to define this function to + give only the square root remainder, if the user calls if with + ROOT == REM. */ + rem->_mp_size = rem_size; + + if (free_me != NULL) + (*_mp_free_func) (free_me, free_me_size * BYTES_PER_MP_LIMB); + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/sub.c b/contrib/libgmp/mpz/sub.c new file mode 100644 index 000000000000..56ef1a12a2b0 --- /dev/null +++ b/contrib/libgmp/mpz/sub.c @@ -0,0 +1,120 @@ +/* mpz_sub -- Subtract two integers. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +#ifndef BERKELEY_MP +void +#if __STDC__ +mpz_sub (mpz_ptr w, mpz_srcptr u, mpz_srcptr v) +#else +mpz_sub (w, u, v) + mpz_ptr w; + mpz_srcptr u; + mpz_srcptr v; +#endif +#else /* BERKELEY_MP */ +void +#if __STDC__ +msub (mpz_srcptr u, mpz_srcptr v, mpz_ptr w) +#else +msub (u, v, w) + mpz_srcptr u; + mpz_srcptr v; + mpz_ptr w; +#endif +#endif /* BERKELEY_MP */ +{ + mp_srcptr up, vp; + mp_ptr wp; + mp_size_t usize, vsize, wsize; + mp_size_t abs_usize; + mp_size_t abs_vsize; + + usize = u->_mp_size; + vsize = -v->_mp_size; /* The "-" makes the difference from mpz_add */ + abs_usize = ABS (usize); + abs_vsize = ABS (vsize); + + if (abs_usize < abs_vsize) + { + /* Swap U and V. */ + {const __mpz_struct *t = u; u = v; v = t;} + {mp_size_t t = usize; usize = vsize; vsize = t;} + {mp_size_t t = abs_usize; abs_usize = abs_vsize; abs_vsize = t;} + } + + /* True: ABS_USIZE >= ABS_VSIZE. */ + + /* If not space for w (and possible carry), increase space. */ + wsize = abs_usize + 1; + if (w->_mp_alloc < wsize) + _mpz_realloc (w, wsize); + + /* These must be after realloc (u or v may be the same as w). */ + up = u->_mp_d; + vp = v->_mp_d; + wp = w->_mp_d; + + if ((usize ^ vsize) < 0) + { + /* U and V have different sign. Need to compare them to determine + which operand to subtract from which. */ + + /* This test is right since ABS_USIZE >= ABS_VSIZE. */ + if (abs_usize != abs_vsize) + { + mpn_sub (wp, up, abs_usize, vp, abs_vsize); + wsize = abs_usize; + MPN_NORMALIZE (wp, wsize); + if (usize < 0) + wsize = -wsize; + } + else if (mpn_cmp (up, vp, abs_usize) < 0) + { + mpn_sub_n (wp, vp, up, abs_usize); + wsize = abs_usize; + MPN_NORMALIZE (wp, wsize); + if (usize >= 0) + wsize = -wsize; + } + else + { + mpn_sub_n (wp, up, vp, abs_usize); + wsize = abs_usize; + MPN_NORMALIZE (wp, wsize); + if (usize < 0) + wsize = -wsize; + } + } + else + { + /* U and V have same sign. Add them. */ + mp_limb_t cy_limb = mpn_add (wp, up, abs_usize, vp, abs_vsize); + wp[abs_usize] = cy_limb; + wsize = abs_usize + cy_limb; + if (usize < 0) + wsize = -wsize; + } + + w->_mp_size = wsize; +} diff --git a/contrib/libgmp/mpz/sub_ui.c b/contrib/libgmp/mpz/sub_ui.c new file mode 100644 index 000000000000..7dea4b6c03ef --- /dev/null +++ b/contrib/libgmp/mpz/sub_ui.c @@ -0,0 +1,84 @@ +/* mpz_sub_ui -- Subtract an unsigned one-word integer from an MP_INT. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_sub_ui (mpz_ptr w, mpz_srcptr u, unsigned long int v) +#else +mpz_sub_ui (w, u, v) + mpz_ptr w; + mpz_srcptr u; + unsigned long int v; +#endif +{ + mp_srcptr up; + mp_ptr wp; + mp_size_t usize, wsize; + mp_size_t abs_usize; + + usize = u->_mp_size; + abs_usize = ABS (usize); + + /* If not space for W (and possible carry), increase space. */ + wsize = abs_usize + 1; + if (w->_mp_alloc < wsize) + _mpz_realloc (w, wsize); + + /* These must be after realloc (U may be the same as W). */ + up = u->_mp_d; + wp = w->_mp_d; + + if (abs_usize == 0) + { + wp[0] = v; + w->_mp_size = -(v != 0); + return; + } + + if (usize < 0) + { + mp_limb_t cy; + cy = mpn_add_1 (wp, up, abs_usize, v); + wp[abs_usize] = cy; + wsize = -(abs_usize + cy); + } + else + { + /* The signs are different. Need exact comparison to determine + which operand to subtract from which. */ + if (abs_usize == 1 && up[0] < v) + { + wp[0] = v - up[0]; + wsize = -1; + } + else + { + mpn_sub_1 (wp, up, abs_usize, v); + /* Size can decrease with at most one limb. */ + wsize = abs_usize - (wp[abs_usize - 1] == 0); + } + } + + w->_mp_size = wsize; +} diff --git a/contrib/libgmp/mpz/tdiv_q.c b/contrib/libgmp/mpz/tdiv_q.c new file mode 100644 index 000000000000..b4d36368b8c9 --- /dev/null +++ b/contrib/libgmp/mpz/tdiv_q.c @@ -0,0 +1,133 @@ +/* mpz_tdiv_q -- divide two integers and produce a quotient. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void +#if __STDC__ +mpz_tdiv_q (mpz_ptr quot, mpz_srcptr num, mpz_srcptr den) +#else +mpz_tdiv_q (quot, num, den) + mpz_ptr quot; + mpz_srcptr num; + mpz_srcptr den; +#endif +{ + mp_srcptr np, dp; + mp_ptr qp, rp; + mp_size_t nsize = num->_mp_size; + mp_size_t dsize = den->_mp_size; + mp_size_t qsize, rsize; + mp_size_t sign_quotient = nsize ^ dsize; + unsigned normalization_steps; + mp_limb_t q_limb; + TMP_DECL (marker); + + nsize = ABS (nsize); + dsize = ABS (dsize); + + /* Ensure space is enough for quotient. */ + + qsize = nsize - dsize + 1; /* qsize cannot be bigger than this. */ + if (qsize <= 0) + { + quot->_mp_size = 0; + return; + } + + if (quot->_mp_alloc < qsize) + _mpz_realloc (quot, qsize); + + qp = quot->_mp_d; + np = num->_mp_d; + dp = den->_mp_d; + + /* Optimize division by a single-limb divisor. */ + if (dsize == 1) + { + mpn_divmod_1 (qp, np, nsize, dp[0]); + qsize -= qp[qsize - 1] == 0; + quot->_mp_size = sign_quotient >= 0 ? qsize : -qsize; + return; + } + + TMP_MARK (marker); + + rp = (mp_ptr) TMP_ALLOC ((nsize + 1) * BYTES_PER_MP_LIMB); + + count_leading_zeros (normalization_steps, dp[dsize - 1]); + + /* Normalize the denominator, i.e. make its most significant bit set by + shifting it NORMALIZATION_STEPS bits to the left. Also shift the + numerator the same number of steps (to keep the quotient the same!). */ + if (normalization_steps != 0) + { + mp_ptr tp; + mp_limb_t nlimb; + + /* Shift up the denominator setting the most significant bit of + the most significant word. Use temporary storage not to clobber + the original contents of the denominator. */ + tp = (mp_ptr) TMP_ALLOC (dsize * BYTES_PER_MP_LIMB); + mpn_lshift (tp, dp, dsize, normalization_steps); + dp = tp; + + /* Shift up the numerator, possibly introducing a new most + significant word. Move the shifted numerator in the remainder + meanwhile. */ + nlimb = mpn_lshift (rp, np, nsize, normalization_steps); + if (nlimb != 0) + { + rp[nsize] = nlimb; + rsize = nsize + 1; + } + else + rsize = nsize; + } + else + { + /* The denominator is already normalized, as required. Copy it to + temporary space if it overlaps with the quotient. */ + if (dp == qp) + { + dp = (mp_ptr) TMP_ALLOC (dsize * BYTES_PER_MP_LIMB); + MPN_COPY ((mp_ptr) dp, qp, dsize); + } + + /* Move the numerator to the remainder. */ + MPN_COPY (rp, np, nsize); + rsize = nsize; + } + + q_limb = mpn_divmod (qp, rp, rsize, dp, dsize); + + qsize = rsize - dsize; + if (q_limb) + { + qp[qsize] = q_limb; + qsize += 1; + } + + quot->_mp_size = sign_quotient >= 0 ? qsize : -qsize; + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpz/tdiv_q_2exp.c b/contrib/libgmp/mpz/tdiv_q_2exp.c new file mode 100644 index 000000000000..e70d810e7ffc --- /dev/null +++ b/contrib/libgmp/mpz/tdiv_q_2exp.c @@ -0,0 +1,68 @@ +/* mpz_tdiv_q_2exp -- Divide an integer by 2**CNT. Round the quotient + towards -infinity. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_tdiv_q_2exp (mpz_ptr w, mpz_srcptr u, unsigned long int cnt) +#else +mpz_tdiv_q_2exp (w, u, cnt) + mpz_ptr w; + mpz_srcptr u; + unsigned long int cnt; +#endif +{ + mp_size_t usize, wsize; + mp_size_t limb_cnt; + + usize = u->_mp_size; + limb_cnt = cnt / BITS_PER_MP_LIMB; + wsize = ABS (usize) - limb_cnt; + if (wsize <= 0) + w->_mp_size = 0; + else + { + mp_ptr wp; + mp_srcptr up; + + if (w->_mp_alloc < wsize) + _mpz_realloc (w, wsize); + + wp = w->_mp_d; + up = u->_mp_d; + + cnt %= BITS_PER_MP_LIMB; + if (cnt != 0) + { + mpn_rshift (wp, up + limb_cnt, wsize, cnt); + wsize -= wp[wsize - 1] == 0; + } + else + { + MPN_COPY_INCR (wp, up + limb_cnt, wsize); + } + + w->_mp_size = usize >= 0 ? wsize : -wsize; + } +} diff --git a/contrib/libgmp/mpz/tdiv_q_ui.c b/contrib/libgmp/mpz/tdiv_q_ui.c new file mode 100644 index 000000000000..9048e0aef560 --- /dev/null +++ b/contrib/libgmp/mpz/tdiv_q_ui.c @@ -0,0 +1,63 @@ +/* mpz_tdiv_q_ui(quot, dividend, divisor_limb) + -- Divide DIVIDEND by DIVISOR_LIMB and store the result in QUOT. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_tdiv_q_ui (mpz_ptr quot, mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_tdiv_q_ui (quot, dividend, divisor) + mpz_ptr quot; + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_ptr quot_ptr; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + if (size == 0) + { + quot->_mp_size = 0; + return; + } + + /* No need for temporary allocation and copying if QUOT == DIVIDEND as + the divisor is just one limb, and thus no intermediate remainders + need to be stored. */ + + if (quot->_mp_alloc < size) + _mpz_realloc (quot, size); + + quot_ptr = quot->_mp_d; + + mpn_divmod_1 (quot_ptr, dividend->_mp_d, size, (mp_limb_t) divisor); + + /* The quotient is SIZE limbs, but the most significant might be zero. */ + size -= quot_ptr[size - 1] == 0; + quot->_mp_size = dividend_size >= 0 ? size : -size; +} diff --git a/contrib/libgmp/mpz/tdiv_qr.c b/contrib/libgmp/mpz/tdiv_qr.c new file mode 100644 index 000000000000..500e19939a78 --- /dev/null +++ b/contrib/libgmp/mpz/tdiv_qr.c @@ -0,0 +1,39 @@ +/* mpz_tdiv_qr(quot,rem,dividend,divisor) -- Set QUOT to DIVIDEND/DIVISOR, + and REM to DIVIDEND mod DIVISOR. + +Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void +#if __STDC__ +mpz_tdiv_qr (mpz_ptr quot, mpz_ptr rem, mpz_srcptr num, mpz_srcptr den) +#else +mpz_tdiv_qr (quot, rem, num, den) + mpz_ptr quot; + mpz_ptr rem; + mpz_srcptr num; + mpz_srcptr den; +#endif + +#define COMPUTE_QUOTIENT +#include "dmincl.c" diff --git a/contrib/libgmp/mpz/tdiv_qr_ui.c b/contrib/libgmp/mpz/tdiv_qr_ui.c new file mode 100644 index 000000000000..cb5041cdc598 --- /dev/null +++ b/contrib/libgmp/mpz/tdiv_qr_ui.c @@ -0,0 +1,78 @@ +/* mpz_tdiv_qr_ui(quot,rem,dividend,short_divisor) -- + Set QUOT to DIVIDEND / SHORT_DIVISOR + and REM to DIVIDEND mod SHORT_DIVISOR. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_tdiv_qr_ui (mpz_ptr quot, mpz_ptr rem, mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_tdiv_qr_ui (quot, rem, dividend, divisor) + mpz_ptr quot; + mpz_ptr rem; + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_ptr quot_ptr; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + if (size == 0) + { + quot->_mp_size = 0; + rem->_mp_size = 0; + return; + } + + /* No need for temporary allocation and copying if QUOT == DIVIDEND as + the divisor is just one limb, and thus no intermediate remainders + need to be stored. */ + + if (quot->_mp_alloc < size) + _mpz_realloc (quot, size); + + quot_ptr = quot->_mp_d; + + remainder_limb = mpn_divmod_1 (quot_ptr, dividend->_mp_d, size, + (mp_limb_t) divisor); + + if (remainder_limb == 0) + rem->_mp_size = 0; + else + { + /* Store the single-limb remainder. We don't check if there's space + for just one limb, since no function ever makes zero space. */ + rem->_mp_size = dividend_size >= 0 ? 1 : -1; + rem->_mp_d[0] = remainder_limb; + } + + /* The quotient is SIZE limbs, but the most significant might be zero. */ + size -= quot_ptr[size - 1] == 0; + quot->_mp_size = dividend_size >= 0 ? size : -size; +} diff --git a/contrib/libgmp/mpz/tdiv_r.c b/contrib/libgmp/mpz/tdiv_r.c new file mode 100644 index 000000000000..813a0d4d79cd --- /dev/null +++ b/contrib/libgmp/mpz/tdiv_r.c @@ -0,0 +1,37 @@ +/* mpz_tdiv_r(rem, dividend, divisor) -- Set REM to DIVIDEND mod DIVISOR. + +Copyright (C) 1991, 1993, 1994 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void +#if __STDC__ +mpz_tdiv_r (mpz_ptr rem, mpz_srcptr num, mpz_srcptr den) +#else +mpz_tdiv_r (rem, num, den) + mpz_ptr rem; + mpz_srcptr num; + mpz_srcptr den; +#endif + +#undef COMPUTE_QUOTIENT +#include "dmincl.c" diff --git a/contrib/libgmp/mpz/tdiv_r_2exp.c b/contrib/libgmp/mpz/tdiv_r_2exp.c new file mode 100644 index 000000000000..99d617e9f34e --- /dev/null +++ b/contrib/libgmp/mpz/tdiv_r_2exp.c @@ -0,0 +1,79 @@ +/* mpz_tdiv_r_2exp -- Divide a integer by 2**CNT and produce a remainder. + +Copyright (C) 1991, 1993, 1994, 1995 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_tdiv_r_2exp (mpz_ptr res, mpz_srcptr in, unsigned long int cnt) +#else +mpz_tdiv_r_2exp (res, in, cnt) + mpz_ptr res; + mpz_srcptr in; + unsigned long int cnt; +#endif +{ + mp_size_t in_size = ABS (in->_mp_size); + mp_size_t res_size; + mp_size_t limb_cnt = cnt / BITS_PER_MP_LIMB; + mp_srcptr in_ptr = in->_mp_d; + + if (in_size > limb_cnt) + { + /* The input operand is (probably) greater than 2**CNT. */ + mp_limb_t x; + + x = in_ptr[limb_cnt] & (((mp_limb_t) 1 << cnt % BITS_PER_MP_LIMB) - 1); + if (x != 0) + { + res_size = limb_cnt + 1; + if (res->_mp_alloc < res_size) + _mpz_realloc (res, res_size); + + res->_mp_d[limb_cnt] = x; + } + else + { + res_size = limb_cnt; + MPN_NORMALIZE (in_ptr, res_size); + + if (res->_mp_alloc < res_size) + _mpz_realloc (res, res_size); + + limb_cnt = res_size; + } + } + else + { + /* The input operand is smaller than 2**CNT. We perform a no-op, + apart from that we might need to copy IN to RES. */ + res_size = in_size; + if (res->_mp_alloc < res_size) + _mpz_realloc (res, res_size); + + limb_cnt = res_size; + } + + if (res != in) + MPN_COPY (res->_mp_d, in->_mp_d, limb_cnt); + res->_mp_size = in->_mp_size >= 0 ? res_size : -res_size; +} diff --git a/contrib/libgmp/mpz/tdiv_r_ui.c b/contrib/libgmp/mpz/tdiv_r_ui.c new file mode 100644 index 000000000000..0428b52c3aa9 --- /dev/null +++ b/contrib/libgmp/mpz/tdiv_r_ui.c @@ -0,0 +1,64 @@ +/* mpz_tdiv_r_ui(rem, dividend, divisor_limb) + -- Set REM to DIVDEND mod DIVISOR_LIMB. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_tdiv_r_ui (mpz_ptr rem, mpz_srcptr dividend, unsigned long int divisor) +#else +mpz_tdiv_r_ui (rem, dividend, divisor) + mpz_ptr rem; + mpz_srcptr dividend; + unsigned long int divisor; +#endif +{ + mp_size_t dividend_size; + mp_size_t size; + mp_limb_t remainder_limb; + + dividend_size = dividend->_mp_size; + size = ABS (dividend_size); + + if (size == 0) + { + rem->_mp_size = 0; + return; + } + + /* No need for temporary allocation and copying if QUOT == DIVIDEND as + the divisor is just one limb, and thus no intermediate remainders + need to be stored. */ + + remainder_limb = mpn_mod_1 (dividend->_mp_d, size, (mp_limb_t) divisor); + + if (remainder_limb == 0) + rem->_mp_size = 0; + else + { + /* Store the single-limb remainder. We don't check if there's space + for just one limb, since no function ever makes zero space. */ + rem->_mp_size = dividend_size >= 0 ? 1 : -1; + rem->_mp_d[0] = remainder_limb; + } +} diff --git a/contrib/libgmp/mpz/tests/Makefile.in b/contrib/libgmp/mpz/tests/Makefile.in new file mode 100644 index 000000000000..5a0cf599e109 --- /dev/null +++ b/contrib/libgmp/mpz/tests/Makefile.in @@ -0,0 +1,126 @@ +# Makefile for mpz/tests for GNU MP + +srcdir = . + +CC = gcc + +TEST_LIBS = ../../libgmp.a +INCLUDES = -I../../mpn -I$(srcdir)/../.. +CFLAGS = -g -O + +.c.o: + $(CC) -c $(INCLUDES) $(CFLAGS) $(XCFLAGS) $< + +TEST_SRCS = t-mul.c t-tdiv.c t-tdiv_ui.c t-fdiv.c t-fdiv_ui.c t-gcd.c \ + t-gcd2.c dive.c t-sqrtrem.c convert.c io.c logic.c t-powm.c t-powm_ui.c \ + reuse.c +TEST_OBJS = t-mul.o t-tdiv.o t-tdiv_ui.o t-fdiv.o t-fdiv_ui.o t-gcd.o \ + t-gcd2.o dive.o t-sqrtrem.o convert.o io.o logic.o t-powm.o t-powm_ui.o \ + reuse.o +TESTS = t-mul t-tdiv t-tdiv_ui t-fdiv t-fdiv_ui t-gcd t-gcd2 \ + dive t-sqrtrem convert io logic t-powm t-powm_ui reuse + +check: Makefile st-mul st-tdiv st-tdiv_ui st-fdiv st-fdiv_ui st-gcd st-gcd2 st-dive \ + st-sqrtrem st-convert st-io st-logic st-powm st-powm_ui st-reuse + @echo "The tests passed." + +st-mul: t-mul + ./t-mul + touch $@ +st-tdiv: t-tdiv + ./t-tdiv + touch $@ +st-tdiv_ui: t-tdiv_ui + ./t-tdiv_ui + touch $@ +st-fdiv: t-fdiv + ./t-fdiv + touch $@ +st-fdiv_ui: t-fdiv_ui + ./t-fdiv_ui + touch $@ +st-gcd: t-gcd + ./t-gcd + touch $@ +st-gcd2: t-gcd2 + ./t-gcd2 + touch $@ +st-dive: dive + ./dive + touch $@ +st-sqrtrem: t-sqrtrem + ./t-sqrtrem + touch $@ +st-convert: convert + ./convert + touch $@ +st-io: io + ./io + touch $@ +st-logic: logic + ./logic + touch $@ +st-powm: t-powm + ./t-powm + touch $@ +st-powm_ui: t-powm_ui + ./t-powm_ui + touch $@ +st-reuse: reuse + ./reuse + touch $@ + +t-mul: t-mul.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +t-tdiv: t-tdiv.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +t-tdiv_ui: t-tdiv_ui.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +t-fdiv: t-fdiv.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +t-fdiv_ui: t-fdiv_ui.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +t-gcd: t-gcd.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +t-gcd2: t-gcd2.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +dive: dive.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +t-sqrtrem: t-sqrtrem.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +convert: convert.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +io: io.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +logic: logic.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +t-powm: t-powm.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +t-powm_ui: t-powm_ui.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) +reuse: reuse.o $(TEST_LIBS) + $(CC) -o $@ $@.o $(TEST_LIBS) $(CFLAGS) + +t-mul.o: $(srcdir)/t-mul.c +t-tdiv.o: $(srcdir)/t-tdiv.c +t-tdiv_ui.o: $(srcdir)/t-tdiv_ui.c +t-fdiv.o: $(srcdir)/t-fdiv.c +t-fdiv_ui.o: $(srcdir)/t-fdiv_ui.c +t-gcd.o: $(srcdir)/t-gcd.c +t-gcd2.o: $(srcdir)/t-gcd2.c +dive.o: $(srcdir)/dive.c +t-sqrtrem.o: $(srcdir)/t-sqrtrem.c +convert.o: $(srcdir)/convert.c +io.o: $(srcdir)/io.c +logic.o: $(srcdir)/logic.c +t-powm.o: $(srcdir)/t-powm.c +t-powm_ui.o: $(srcdir)/t-powm_ui.c +reuse.o: $(srcdir)/reuse.c + +clean mostlyclean: + rm -f *.o st-* $(TESTS) +distclean maintainer-clean: clean + rm -f Makefile config.status + +Makefile: $(srcdir)/Makefile.in + $(SHELL) ./config.status diff --git a/contrib/libgmp/mpz/tests/configure.in b/contrib/libgmp/mpz/tests/configure.in new file mode 100644 index 000000000000..dacc177418d8 --- /dev/null +++ b/contrib/libgmp/mpz/tests/configure.in @@ -0,0 +1,11 @@ +# This file is a shell script that supplies the information necessary +# to tailor a template configure script into the configure script +# appropriate for this directory. For more information, check any +# existing configure script. + +srctrigger=t-mul.c +srcname="gmp/mpz/tests" + +# per-host: + +# per-target: diff --git a/contrib/libgmp/mpz/tests/convert.c b/contrib/libgmp/mpz/tests/convert.c new file mode 100644 index 000000000000..1d8237099cad --- /dev/null +++ b/contrib/libgmp/mpz/tests/convert.c @@ -0,0 +1,80 @@ +/* Test conversion using mpz_get_str and mpz_set_str. + +Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 32 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + MP_INT op1, op2; + mp_size_t size; + int i; + int reps = 100000; + char *str; + int base; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (&op1); + mpz_init (&op2); + + for (i = 0; i < reps; i++) + { + size = urandom () % SIZE - SIZE/2; + + mpz_random2 (&op1, size); + base = urandom () % 36 + 1; + if (base == 1) + base = 0; + + str = mpz_get_str ((char *) 0, base, &op1); + mpz_set_str (&op2, str, base); + free (str); + + if (mpz_cmp (&op1, &op2)) + { + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "op1 = "); debug_mp (&op1, -16); + fprintf (stderr, "base = %d\n", base); + abort (); + } + } + + exit (0); +} + +void +debug_mp (x, base) + MP_INT *x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/dive.c b/contrib/libgmp/mpz/tests/dive.c new file mode 100644 index 000000000000..8d3516d83a68 --- /dev/null +++ b/contrib/libgmp/mpz/tests/dive.c @@ -0,0 +1,87 @@ +/* Test mpz_mul, mpz_divexact. + +Copyright (C) 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 32 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t op1, op2; + mpz_t prod, quot; + mp_size_t size; + int i; + int reps = 100000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (op1); + mpz_init (op2); + mpz_init (prod); + mpz_init (quot); + + for (i = 0; i < reps; i++) + { + size = urandom () % SIZE - SIZE/2; + mpz_random2 (op1, size); + + do + { + size = urandom () % SIZE - SIZE/2; + mpz_random2 (op2, size); + } + while (mpz_cmp_ui (op2, 0) == 0); + + mpz_mul (prod, op1, op2); + + mpz_divexact (quot, prod, op2); + if (mpz_cmp (quot, op1) != 0) + dump_abort (quot, op1); + } + + exit (0); +} + +dump_abort (op1, op2) + mpz_t op1, op2; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "ref = "); debug_mp (op1, -16); + fprintf (stderr, "wrong = "); debug_mp (op2, -16); + abort(); +} + +void +debug_mp (x, base) + mpz_t x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/io-binary.c b/contrib/libgmp/mpz/tests/io-binary.c new file mode 100644 index 000000000000..c28f2a5ba735 --- /dev/null +++ b/contrib/libgmp/mpz/tests/io-binary.c @@ -0,0 +1,76 @@ +/* Test mpz_inp_binary and mpz_out_binary. + + We write and read back some test strings, and both compare + the numerical result, and make sure the pattern on file is + what we expect. The latter is important for compatibility + between machines with different word sizes. */ + +#include <stdio.h> +#include "gmp.h" + +FILE *file; + +test (str, binary_len, binary_str) + char *str; + int binary_len; + char *binary_str; +{ + mpz_t x, y; + int n_written; + char buf[100]; + + mpz_init_set_str (x, str, 0); + mpz_init (y); + + fseek (file, 0, SEEK_SET); + mpz_out_binary (file, x); + n_written = ftell (file); + if (n_written != binary_len) + abort (); + + fseek (file, 0, SEEK_SET); + mpz_inp_binary (y, file); + if (n_written != ftell (file)) + abort (); + if (mpz_cmp (x, y) != 0) + abort (); + + fseek (file, 0, SEEK_SET); + fread (buf, n_written, 1, file); + if (memcmp (buf, binary_str, binary_len) != 0) + abort (); + + mpz_clear (x); +} + +main () +{ + file = fopen ("xtmpfile", "w+"); + + test ("0", 4, + "\000\000\000\000"); + + test ("1", 5, + "\000\000\000\001\001"); + test ("0x123", 6, + "\000\000\000\002\001\043"); + test ("0xdeadbeef", 8, + "\000\000\000\004\336\255\276\357"); + test ("0xbabefaced", 9, + "\000\000\000\005\013\253\357\254\355"); + test ("0x123456789facade0", 12, + "\000\000\000\010\022\064\126\170\237\254\255\340"); + + test ("-1", 5, + "\377\377\377\377\001"); + test ("-0x123", 6, + "\377\377\377\376\001\043"); + test ("-0xdeadbeef", 8, + "\377\377\377\374\336\255\276\357"); + test ("-0xbabefaced", 9, + "\377\377\377\373\013\253\357\254\355"); + test ("-0x123456789facade0", 12, + "\377\377\377\370\022\064\126\170\237\254\255\340"); + + exit (0); +} diff --git a/contrib/libgmp/mpz/tests/io.c b/contrib/libgmp/mpz/tests/io.c new file mode 100644 index 000000000000..3dfa9a569e9d --- /dev/null +++ b/contrib/libgmp/mpz/tests/io.c @@ -0,0 +1,86 @@ +/* Test conversion and I/O using mpz_out_str and mpz_inp_str. + +Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 16 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + MP_INT op1, op2; + mp_size_t size; + int i; + int reps = 10000; + FILE *fsin, *fsout; + int fd[2]; + int base; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (&op1); + mpz_init (&op2); + + pipe (fd); + fsin = fdopen (fd[0], "r"); + fsout = fdopen (fd[1], "w"); + + for (i = 0; i < reps; i++) + { + size = urandom () % SIZE - SIZE/2; + + mpz_random2 (&op1, size); + base = urandom () % 36 + 1; + if (base == 1) + base = 0; + + mpz_out_str (fsout, base, &op1); + putc (' ', fsout); + fflush (fsout); + mpz_inp_str (&op2, fsin, base); + + if (mpz_cmp (&op1, &op2)) + { + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "op1 = "); debug_mp (&op1, -16); + fprintf (stderr, "base = %d\n", base); + abort (); + } + } + + exit (0); +} + +void +debug_mp (x, base) + MP_INT *x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/logic.c b/contrib/libgmp/mpz/tests/logic.c new file mode 100644 index 000000000000..41a8cac90831 --- /dev/null +++ b/contrib/libgmp/mpz/tests/logic.c @@ -0,0 +1,103 @@ +/* Test mpz_com, mpz_and, and mpz_ior. + +Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 16 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t x, y, r1, r2; + mpz_t t1, t2, t3, t4; + mp_size_t xsize, ysize; + int i; + int reps = 100000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (x); + mpz_init (y); + mpz_init (r1); + mpz_init (r2); + mpz_init (t1); + mpz_init (t2); + mpz_init (t3); + mpz_init (t4); + + for (i = 0; i < reps; i++) + { + xsize = urandom () % SIZE - SIZE/2; + mpz_random2 (x, xsize); + + ysize = urandom () % SIZE - SIZE/2; + mpz_random2 (y, ysize); + + mpz_com (r1, x); + mpz_com (r1, r1); + if (mpz_cmp (r1, x) != 0) + dump_abort (); + + mpz_com (r1, y); + mpz_com (r2, r1); + if (mpz_cmp (r2, y) != 0) + dump_abort (); + + mpz_com (t1, x); + mpz_com (t2, y); + mpz_and (t3, t1, t2); + mpz_com (r1, t3); + mpz_ior (r2, x, y); + if (mpz_cmp (r1, r2) != 0) + dump_abort (); + + mpz_com (t1, x); + mpz_com (t2, y); + mpz_ior (t3, t1, t2); + mpz_com (r1, t3); + mpz_and (r2, x, y); + if (mpz_cmp (r1, r2) != 0) + dump_abort (); + } + + exit (0); +} + +dump_abort () +{ + abort(); +} + +void +debug_mp (x, base) + MP_INT *x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/reuse.c b/contrib/libgmp/mpz/tests/reuse.c new file mode 100644 index 000000000000..52fc5a516772 --- /dev/null +++ b/contrib/libgmp/mpz/tests/reuse.c @@ -0,0 +1,135 @@ +/* Test that routines allow reusing a source variable as destination. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +#ifndef SIZE +#define SIZE 16 +#endif + +#if __STDC__ +typedef void (*dss_func) (mpz_ptr, mpz_srcptr, mpz_srcptr); +#else +typedef void (*dss_func) (); +#endif + +dss_func dss_funcs[] = +{ + mpz_add, mpz_and, mpz_cdiv_q, mpz_cdiv_r, mpz_fdiv_q, mpz_fdiv_r, + mpz_gcd, mpz_ior, mpz_mul, mpz_sub, mpz_tdiv_q, mpz_tdiv_r +}; + +char *dss_func_names[] = +{ + "mpz_add", "mpz_and", "mpz_cdiv_q", "mpz_cdiv_r", "mpz_fdiv_q", "mpz_fdiv_r", + "mpz_gcd", "mpz_ior", "mpz_mul", "mpz_sub", "mpz_tdiv_q", "mpz_tdiv_r" +}; + +char dss_func_division[] = {0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1}; + +#if 0 +mpz_divexact /* requires special operands */ +#endif + +main (argc, argv) + int argc; + char **argv; +{ + int i; + int pass, reps = 10000; + mpz_t in1, in2, out1; + mpz_t res1, res2, res3; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (in1); + mpz_init (in2); + mpz_init (out1); + mpz_init (res1); + mpz_init (res2); + mpz_init (res3); + + for (pass = 1; pass <= reps; pass++) + { + mpz_random (in1, urandom () % SIZE - SIZE/2); + mpz_random (in2, urandom () % SIZE - SIZE/2); + + for (i = 0; i < sizeof (dss_funcs) / sizeof (dss_func); i++) + { + if (dss_func_division[i] && mpz_cmp_ui (in2, 0) == 0) + continue; + + (dss_funcs[i]) (res1, in1, in2); + + mpz_set (out1, in1); + (dss_funcs[i]) (out1, out1, in2); + mpz_set (res2, out1); + + mpz_set (out1, in2); + (dss_funcs[i]) (out1, in1, out1); + mpz_set (res3, out1); + + if (mpz_cmp (res1, res2) != 0) + dump_abort (dss_func_names[i], in1, in2); + if (mpz_cmp (res1, res3) != 0) + dump_abort (dss_func_names[i], in1, in2); + } + } + + exit (0); +} + +dump_abort (name, in1, in2) + char *name; + mpz_t in1, in2; +{ + printf ("failure in %s (", name); + mpz_out_str (stdout, -16, in1); + printf (" "); + mpz_out_str (stdout, -16, in2); + printf (")\n"); + abort (); +} + +#if 0 +void mpz_add_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +void mpz_div_2exp _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +void mpz_mod_2exp _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +void mpz_mul_2exp _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +void mpz_mul_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +void mpz_pow_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +void mpz_sub_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +void mpz_tdiv_q_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +void mpz_tdiv_r_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); + +void mpz_abs _PROTO ((mpz_ptr, mpz_srcptr)); +void mpz_com _PROTO ((mpz_ptr, mpz_srcptr)); +void mpz_sqrt _PROTO ((mpz_ptr, mpz_srcptr)); +void mpz_neg _PROTO ((mpz_ptr, mpz_srcptr)); + +void mpz_tdiv_qr_ui _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int)); + +void mpz_powm_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int, mpz_srcptr)); + +void mpz_gcdext _PROTO ((mpz_ptr, mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr)); + +void mpz_cdiv_qr _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr)); +void mpz_fdiv_qr _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr)); +void mpz_tdiv_qr _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr)); + +void mpz_powm _PROTO ((mpz_ptr, mpz_srcptr, mpz_srcptr, mpz_srcptr)); + +void mpz_sqrtrem _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr)); + +unsigned long int mpz_cdiv_qr_ui _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int)); +unsigned long int mpz_fdiv_qr_ui _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int)); + +unsigned long int mpz_cdiv_q_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +unsigned long int mpz_cdiv_r_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +unsigned long int mpz_fdiv_q_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +unsigned long int mpz_fdiv_r_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +unsigned long int mpz_gcd_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int)); +#endif diff --git a/contrib/libgmp/mpz/tests/t-fdiv.c b/contrib/libgmp/mpz/tests/t-fdiv.c new file mode 100644 index 000000000000..9de22d703f38 --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-fdiv.c @@ -0,0 +1,118 @@ +/* Test mpz_abs, mpz_add, mpz_cmp, mpz_cmp_ui, mpz_fdiv_qr, mpz_fdiv_q, + mpz_fdiv_r, mpz_mul. + +Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 16 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t dividend, divisor; + mpz_t quotient, remainder; + mpz_t quotient2, remainder2; + mpz_t temp; + mp_size_t dividend_size, divisor_size; + int i; + int reps = 100000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (dividend); + mpz_init (divisor); + mpz_init (quotient); + mpz_init (remainder); + mpz_init (quotient2); + mpz_init (remainder2); + mpz_init (temp); + + for (i = 0; i < reps; i++) + { + dividend_size = urandom () % SIZE - SIZE/2; + mpz_random2 (dividend, dividend_size); + + divisor_size = urandom () % SIZE - SIZE/2; + mpz_random2 (divisor, divisor_size); + if (mpz_cmp_ui (divisor, 0) == 0) + continue; + + mpz_fdiv_qr (quotient, remainder, dividend, divisor); + mpz_fdiv_q (quotient2, dividend, divisor); + mpz_fdiv_r (remainder2, dividend, divisor); + + /* First determine that the quotients and remainders computed + with different functions are equal. */ + if (mpz_cmp (quotient, quotient2) != 0) + dump_abort (dividend, divisor); + if (mpz_cmp (remainder, remainder2) != 0) + dump_abort (dividend, divisor); + + /* Check if the sign of the quotient is correct. */ + if (mpz_cmp_ui (quotient, 0) != 0) + if ((mpz_cmp_ui (quotient, 0) < 0) + != ((mpz_cmp_ui (dividend, 0) ^ mpz_cmp_ui (divisor, 0)) < 0)) + dump_abort (dividend, divisor); + + /* Check if the remainder has the same sign as the divisor + (quotient rounded towards minus infinity). */ + if (mpz_cmp_ui (remainder, 0) != 0) + if ((mpz_cmp_ui (remainder, 0) < 0) != (mpz_cmp_ui (divisor, 0) < 0)) + dump_abort (dividend, divisor); + + mpz_mul (temp, quotient, divisor); + mpz_add (temp, temp, remainder); + if (mpz_cmp (temp, dividend) != 0) + dump_abort (dividend, divisor); + + mpz_abs (temp, divisor); + mpz_abs (remainder, remainder); + if (mpz_cmp (remainder, temp) >= 0) + dump_abort (dividend, divisor); + } + + exit (0); +} + +dump_abort (dividend, divisor) + mpz_t dividend, divisor; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "dividend = "); debug_mp (dividend, -16); + fprintf (stderr, "divisor = "); debug_mp (divisor, -16); + abort(); +} + +void +debug_mp (x, base) + mpz_t x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/t-fdiv_ui.c b/contrib/libgmp/mpz/tests/t-fdiv_ui.c new file mode 100644 index 000000000000..74ba9fcf7b2b --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-fdiv_ui.c @@ -0,0 +1,117 @@ +/* Test mpz_abs, mpz_add, mpz_cmp, mpz_cmp_ui, mpz_fdiv_qr_ui, mpz_fdiv_q_ui, + mpz_fdiv_r_ui, mpz_mul, mpz_mul_ui. + +Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 16 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t dividend; + mpz_t quotient, remainder; + mpz_t quotient2, remainder2; + mpz_t temp; + mp_size_t dividend_size; + mp_limb_t divisor; + int i; + int reps = 100000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (dividend); + mpz_init (quotient); + mpz_init (remainder); + mpz_init (quotient2); + mpz_init (remainder2); + mpz_init (temp); + + for (i = 0; i < reps; i++) + { + dividend_size = urandom () % SIZE - SIZE/2; + mpz_random2 (dividend, dividend_size); + + divisor = urandom (); + if (divisor == 0) + continue; + + mpz_fdiv_qr_ui (quotient, remainder, dividend, divisor); + mpz_fdiv_q_ui (quotient2, dividend, divisor); + mpz_fdiv_r_ui (remainder2, dividend, divisor); + + /* First determine that the quotients and remainders computed + with different functions are equal. */ + if (mpz_cmp (quotient, quotient2) != 0) + dump_abort (dividend, divisor); + if (mpz_cmp (remainder, remainder2) != 0) + dump_abort (dividend, divisor); + + /* Check if the sign of the quotient is correct. */ + if (mpz_cmp_ui (quotient, 0) != 0) + if ((mpz_cmp_ui (quotient, 0) < 0) + != (mpz_cmp_ui (dividend, 0) < 0)) + dump_abort (dividend, divisor); + + /* Check if the remainder has the same sign as the divisor + (quotient rounded towards minus infinity). */ + if (mpz_cmp_ui (remainder, 0) != 0) + if (mpz_cmp_ui (remainder, 0) < 0) + dump_abort (dividend, divisor); + + mpz_mul_ui (temp, quotient, divisor); + mpz_add (temp, temp, remainder); + if (mpz_cmp (temp, dividend) != 0) + dump_abort (dividend, divisor); + + mpz_abs (remainder, remainder); + if (mpz_cmp_ui (remainder, divisor) >= 0) + dump_abort (dividend, divisor); + } + + exit (0); +} + +dump_abort (dividend, divisor) + mpz_t dividend; + mp_limb_t divisor; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "dividend = "); debug_mp (dividend, -16); + fprintf (stderr, "divisor = %lX\n", divisor); + abort(); +} + +void +debug_mp (x, base) + mpz_t x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/t-gcd.c b/contrib/libgmp/mpz/tests/t-gcd.c new file mode 100644 index 000000000000..d9a78843a27b --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-gcd.c @@ -0,0 +1,132 @@ +/* Test mpz_gcd, mpz_gcdext, mpz_mul, mpz_tdiv_r, mpz_add, mpz_cmp, + mpz_cmp_ui, mpz_init_set, mpz_set, mpz_clear. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void mpz_refgcd (), debug_mp (); + +#ifndef SIZE +#define SIZE 256 /* really needs to be this large to exercise corner cases! */ +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t op1, op2; + mpz_t refgcd, gcd, s, t; + mpz_t temp1, temp2; + mp_size_t op1_size, op2_size; + int i; + int reps = 1000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (op1); + mpz_init (op2); + mpz_init (refgcd); + mpz_init (gcd); + mpz_init (temp1); + mpz_init (temp2); + mpz_init (s); + mpz_init (t); + + for (i = 0; i < reps; i++) + { + op1_size = urandom () % SIZE - SIZE/2; + op2_size = urandom () % SIZE - SIZE/2; + + mpz_random2 (op1, op1_size); + mpz_random2 (op2, op2_size); + + mpz_refgcd (refgcd, op1, op2); + + mpz_gcd (gcd, op1, op2); + if (mpz_cmp (refgcd, gcd)) + dump_abort (op1, op2); + + mpz_gcdext (gcd, s, t, op1, op2); + if (mpz_cmp (refgcd, gcd)) + dump_abort (op1, op2); + + mpz_mul (temp1, s, op1); + mpz_mul (temp2, t, op2); + mpz_add (gcd, temp1, temp2); + if (mpz_cmp (refgcd, gcd)) + dump_abort (op1, op2); + } + + exit (0); +} + +void +mpz_refgcd (g, x, y) + mpz_t g; + mpz_t x, y; +{ + mpz_t xx, yy; + + mpz_init (xx); + mpz_init (yy); + + mpz_abs (xx, x); + mpz_abs (yy, y); + + for (;;) + { + if (mpz_cmp_ui (yy, 0) == 0) + { + mpz_set (g, xx); + break; + } + mpz_tdiv_r (xx, xx, yy); + if (mpz_cmp_ui (xx, 0) == 0) + { + mpz_set (g, yy); + break; + } + mpz_tdiv_r (yy, yy, xx); + } + + mpz_clear (xx); + mpz_clear (yy); +} + +dump_abort (op1, op2) + mpz_t op1, op2; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "op1 = "); debug_mp (op1, -16); + fprintf (stderr, "op2 = "); debug_mp (op2, -16); + abort(); +} + +void +debug_mp (x, base) + mpz_t x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/t-gcd2.c b/contrib/libgmp/mpz/tests/t-gcd2.c new file mode 100644 index 000000000000..b7ad67c034df --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-gcd2.c @@ -0,0 +1,137 @@ +/* Test mpz_gcd, mpz_gcdext, mpz_mul, mpz_tdiv_r, mpz_add, mpz_cmp, + mpz_cmp_ui, mpz_init_set, mpz_set, mpz_clear. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void mpz_refgcd (), debug_mp (); + +#ifndef SIZE +#define SIZE 128 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t op1, op2, x; + mpz_t refgcd, gcd, s, t; + mpz_t temp1, temp2; + mp_size_t op1_size, op2_size, x_size; + int i; + int reps = 1000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (op1); + mpz_init (op2); + mpz_init (x); + mpz_init (refgcd); + mpz_init (gcd); + mpz_init (temp1); + mpz_init (temp2); + mpz_init (s); + mpz_init (t); + + for (i = 0; i < reps; i++) + { + op1_size = urandom () % SIZE - SIZE/2; + op2_size = urandom () % SIZE - SIZE/2; + x_size = urandom () % SIZE/2; + + mpz_random2 (op1, op1_size); + mpz_random2 (op2, op2_size); + mpz_random2 (x, x_size); + mpz_mul (op1, op1, x); + mpz_mul (op2, op2, x); + + mpz_refgcd (refgcd, op1, op2); + + mpz_gcd (gcd, op1, op2); + if (mpz_cmp (refgcd, gcd)) + dump_abort (op1, op2); + + mpz_gcdext (gcd, s, t, op1, op2); + if (mpz_cmp (refgcd, gcd)) + dump_abort (op1, op2); + + mpz_mul (temp1, s, op1); + mpz_mul (temp2, t, op2); + mpz_add (gcd, temp1, temp2); + if (mpz_cmp (refgcd, gcd)) + dump_abort (op1, op2); + } + + exit (0); +} + +void +mpz_refgcd (g, x, y) + mpz_t g; + mpz_t x, y; +{ + mpz_t xx, yy; + + mpz_init (xx); + mpz_init (yy); + + mpz_abs (xx, x); + mpz_abs (yy, y); + + for (;;) + { + if (mpz_cmp_ui (yy, 0) == 0) + { + mpz_set (g, xx); + break; + } + mpz_tdiv_r (xx, xx, yy); + if (mpz_cmp_ui (xx, 0) == 0) + { + mpz_set (g, yy); + break; + } + mpz_tdiv_r (yy, yy, xx); + } + + mpz_clear (xx); + mpz_clear (yy); +} + +dump_abort (op1, op2) + mpz_t op1, op2; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "op1 = "); debug_mp (op1, -16); + fprintf (stderr, "op2 = "); debug_mp (op2, -16); + abort(); +} + +void +debug_mp (x, base) + mpz_t x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/t-mul.c b/contrib/libgmp/mpz/tests/t-mul.c new file mode 100644 index 000000000000..b200cd7585d5 --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-mul.c @@ -0,0 +1,261 @@ +/* Test mpz_add, mpz_cmp, mpz_cmp_ui, mpz_divmod, mpz_mul. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" +#include "urandom.h" + +void debug_mp (); +mp_size_t _mpn_mul_classic (); +void mpz_refmul (); + +#ifndef SIZE +#define SIZE 128 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t multiplier, multiplicand; + mpz_t product, ref_product; + mpz_t quotient, remainder; + mp_size_t multiplier_size, multiplicand_size; + int i; + int reps = 10000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (multiplier); + mpz_init (multiplicand); + mpz_init (product); + mpz_init (ref_product); + mpz_init (quotient); + mpz_init (remainder); + + for (i = 0; i < reps; i++) + { + multiplier_size = urandom () % SIZE - SIZE/2; + multiplicand_size = urandom () % SIZE - SIZE/2; + + mpz_random2 (multiplier, multiplier_size); + mpz_random2 (multiplicand, multiplicand_size); + + mpz_mul (product, multiplier, multiplicand); + mpz_refmul (ref_product, multiplier, multiplicand); + if (mpz_cmp_ui (multiplicand, 0) != 0) + mpz_divmod (quotient, remainder, product, multiplicand); + + if (mpz_cmp (product, ref_product)) + dump_abort (multiplier, multiplicand); + + if (mpz_cmp_ui (multiplicand, 0) != 0) + if (mpz_cmp_ui (remainder, 0) || mpz_cmp (quotient, multiplier)) + dump_abort (multiplier, multiplicand); + } + + exit (0); +} + +void +mpz_refmul (w, u, v) + mpz_t w; + const mpz_t u; + const mpz_t v; +{ + mp_size_t usize = u->_mp_size; + mp_size_t vsize = v->_mp_size; + mp_size_t wsize; + mp_size_t sign_product; + mp_ptr up, vp; + mp_ptr wp; + mp_ptr free_me = NULL; + size_t free_me_size; + TMP_DECL (marker); + + TMP_MARK (marker); + sign_product = usize ^ vsize; + usize = ABS (usize); + vsize = ABS (vsize); + + if (usize < vsize) + { + /* Swap U and V. */ + {const __mpz_struct *t = u; u = v; v = t;} + {mp_size_t t = usize; usize = vsize; vsize = t;} + } + + up = u->_mp_d; + vp = v->_mp_d; + wp = w->_mp_d; + + /* Ensure W has space enough to store the result. */ + wsize = usize + vsize; + if (w->_mp_alloc < wsize) + { + if (wp == up || wp == vp) + { + free_me = wp; + free_me_size = w->_mp_alloc; + } + else + (*_mp_free_func) (wp, w->_mp_alloc * BYTES_PER_MP_LIMB); + + w->_mp_alloc = wsize; + wp = (mp_ptr) (*_mp_allocate_func) (wsize * BYTES_PER_MP_LIMB); + w->_mp_d = wp; + } + else + { + /* Make U and V not overlap with W. */ + if (wp == up) + { + /* W and U are identical. Allocate temporary space for U. */ + up = (mp_ptr) TMP_ALLOC (usize * BYTES_PER_MP_LIMB); + /* Is V identical too? Keep it identical with U. */ + if (wp == vp) + vp = up; + /* Copy to the temporary space. */ + MPN_COPY (up, wp, usize); + } + else if (wp == vp) + { + /* W and V are identical. Allocate temporary space for V. */ + vp = (mp_ptr) TMP_ALLOC (vsize * BYTES_PER_MP_LIMB); + /* Copy to the temporary space. */ + MPN_COPY (vp, wp, vsize); + } + } + + wsize = _mpn_mul_classic (wp, up, usize, vp, vsize); + w->_mp_size = sign_product < 0 ? -wsize : wsize; + if (free_me != NULL) + (*_mp_free_func) (free_me, free_me_size * BYTES_PER_MP_LIMB); + + TMP_FREE (marker); +} + +mp_size_t +_mpn_mul_classic (prodp, up, usize, vp, vsize) + mp_ptr prodp; + mp_srcptr up; + mp_size_t usize; + mp_srcptr vp; + mp_size_t vsize; +{ + mp_size_t i, j; + mp_limb_t prod_low, prod_high; + mp_limb_t cy_dig; + mp_limb_t v_limb, c; + + if (vsize == 0) + return 0; + + /* Offset UP and PRODP so that the inner loop can be faster. */ + up += usize; + prodp += usize; + + /* Multiply by the first limb in V separately, as the result can + be stored (not added) to PROD. We also avoid a loop for zeroing. */ + v_limb = vp[0]; + cy_dig = 0; + j = -usize; + do + { + umul_ppmm (prod_high, prod_low, up[j], v_limb); + add_ssaaaa (cy_dig, prodp[j], prod_high, prod_low, 0, cy_dig); + j++; + } + while (j < 0); + + prodp[j] = cy_dig; + prodp++; + + /* For each iteration in the outer loop, multiply one limb from + U with one limb from V, and add it to PROD. */ + for (i = 1; i < vsize; i++) + { + v_limb = vp[i]; + cy_dig = 0; + j = -usize; + + /* Inner loops. Simulate the carry flag by jumping between + these loops. The first is used when there was no carry + in the previois iteration; the second when there was carry. */ + + do + { + umul_ppmm (prod_high, prod_low, up[j], v_limb); + add_ssaaaa (cy_dig, prod_low, prod_high, prod_low, 0, cy_dig); + c = prodp[j]; + prod_low += c; + prodp[j] = prod_low; + if (prod_low < c) + goto cy_loop; + ncy_loop: + j++; + } + while (j < 0); + + prodp[j] = cy_dig; + prodp++; + continue; + + do + { + umul_ppmm (prod_high, prod_low, up[j], v_limb); + add_ssaaaa (cy_dig, prod_low, prod_high, prod_low, 0, cy_dig); + c = prodp[j]; + prod_low += c + 1; + prodp[j] = prod_low; + if (prod_low > c) + goto ncy_loop; + cy_loop: + j++; + } + while (j < 0); + + cy_dig += 1; + prodp[j] = cy_dig; + prodp++; + } + + return usize + vsize - (cy_dig == 0); +} + +dump_abort (multiplier, multiplicand) + mpz_t multiplier, multiplicand; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "multiplier = "); debug_mp (multiplier, -16); + fprintf (stderr, "multiplicand = "); debug_mp (multiplicand, -16); + abort(); +} + +void +debug_mp (x, base) + mpz_t x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/t-powm.c b/contrib/libgmp/mpz/tests/t-powm.c new file mode 100644 index 000000000000..02d7ca5d0548 --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-powm.c @@ -0,0 +1,125 @@ +/* Test mpz_powm, mpz_mul. mpz_mod, mpz_mod_ui, mpz_div_ui. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 8 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t base, exp, mod; + mpz_t r1, r2, t1, exp2, base2; + mp_size_t base_size, exp_size, mod_size; + int i; + int reps = 10000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (base); + mpz_init (exp); + mpz_init (mod); + mpz_init (r1); + mpz_init (r2); + mpz_init (t1); + mpz_init (exp2); + mpz_init (base2); + + for (i = 0; i < reps; i++) + { + base_size = urandom () % SIZE - SIZE/2; + mpz_random2 (base, base_size); + + exp_size = urandom () % SIZE; + mpz_random2 (exp, exp_size); + + mod_size = urandom () % SIZE /* - SIZE/2 */; + mpz_random2 (mod, mod_size); + if (mpz_cmp_ui (mod, 0) == 0) + continue; + + /* This is mathematically undefined. */ + if (mpz_cmp_ui (base, 0) == 0 && mpz_cmp_ui (exp, 0) == 0) + continue; + +#if 0 + putc ('\n', stderr); + debug_mp (base, -16); + debug_mp (exp, -16); + debug_mp (mod, -16); +#endif + + mpz_powm (r1, base, exp, mod); + + mpz_set_ui (r2, 1); + mpz_set (base2, base); + mpz_set (exp2, exp); + + mpz_mod (r2, r2, mod); /* needed when exp==0 and mod==1 */ + while (mpz_cmp_ui (exp2, 0) != 0) + { + mpz_mod_ui (t1, exp2, 2); + if (mpz_cmp_ui (t1, 0) != 0) + { + mpz_mul (r2, r2, base2); + mpz_mod (r2, r2, mod); + } + mpz_mul (base2, base2, base2); + mpz_mod (base2, base2, mod); + mpz_div_ui (exp2, exp2, 2); + } + +#if 0 + debug_mp (r1, -16); + debug_mp (r2, -16); +#endif + + if (mpz_cmp (r1, r2) != 0) + abort (); + } + + exit (0); +} + +dump_abort (dividend, divisor) + MP_INT *dividend, *divisor; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "dividend = "); debug_mp (dividend, -16); + fprintf (stderr, "divisor = "); debug_mp (divisor, -16); + abort(); +} + +void +debug_mp (x, base) + MP_INT *x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/t-powm_ui.c b/contrib/libgmp/mpz/tests/t-powm_ui.c new file mode 100644 index 000000000000..b88fa982077d --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-powm_ui.c @@ -0,0 +1,120 @@ +/* Test mpz_powm_ui, mpz_mul. mpz_mod, mpz_mod_ui, mpz_div_ui. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 8 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t base, mod; + mpz_t r1, r2, base2; + mp_size_t base_size, mod_size; + mp_limb_t exp, exp2; + int i; + int reps = 10000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (base); + mpz_init (mod); + mpz_init (r1); + mpz_init (r2); + mpz_init (base2); + + for (i = 0; i < reps; i++) + { + base_size = urandom () % SIZE /* - SIZE/2 */; + mpz_random2 (base, base_size); + + mpn_random2 (&exp, 1); + + mod_size = urandom () % SIZE /* - SIZE/2 */; + mpz_random2 (mod, mod_size); + if (mpz_cmp_ui (mod, 0) == 0) + continue; + + /* This is mathematically undefined. */ + if (mpz_cmp_ui (base, 0) == 0 && exp == 0) + continue; + +#if 0 + putc ('\n', stderr); + debug_mp (base, -16); + debug_mp (mod, -16); +#endif + + mpz_powm_ui (r1, base, (unsigned long int) exp, mod); + + mpz_set_ui (r2, 1); + mpz_set (base2, base); + exp2 = exp; + + mpz_mod (r2, r2, mod); /* needed when exp==0 and mod==1 */ + while (exp2 != 0) + { + if (exp2 % 2 != 0) + { + mpz_mul (r2, r2, base2); + mpz_mod (r2, r2, mod); + } + mpz_mul (base2, base2, base2); + mpz_mod (base2, base2, mod); + exp2 = exp2 / 2; + } + +#if 0 + debug_mp (r1, -16); + debug_mp (r2, -16); +#endif + + if (mpz_cmp (r1, r2) != 0) + abort (); + } + + exit (0); +} + +dump_abort (dividend, divisor) + MP_INT *dividend, *divisor; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "dividend = "); debug_mp (dividend, -16); + fprintf (stderr, "divisor = "); debug_mp (divisor, -16); + abort(); +} + +void +debug_mp (x, base) + MP_INT *x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/t-sqrtrem.c b/contrib/libgmp/mpz/tests/t-sqrtrem.c new file mode 100644 index 000000000000..f5fcd09bcdde --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-sqrtrem.c @@ -0,0 +1,98 @@ +/* Test mpz_add, mpz_add_ui, mpz_cmp, mpz_cmp, mpz_mul, mpz_sqrtrem. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 16 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t x2; + mpz_t x, rem; + mpz_t temp, temp2; + mp_size_t x2_size; + int i; + int reps = 100000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (x2); + mpz_init (x); + mpz_init (rem); + mpz_init (temp); + mpz_init (temp2); + + for (i = 0; i < reps; i++) + { + x2_size = urandom () % SIZE; + + mpz_random2 (x2, x2_size); + + mpz_sqrtrem (x, rem, x2); + mpz_mul (temp, x, x); + + /* Is square of result > argument? */ + if (mpz_cmp (temp, x2) > 0) + dump_abort (x2, x, rem); + + mpz_add_ui (temp2, x, 1); + mpz_mul (temp2, temp2, temp2); + + /* Is square of (result + 1) <= argument? */ + if (mpz_cmp (temp2, x2) <= 0) + dump_abort (x2, x, rem); + + mpz_add (temp2, temp, rem); + + /* Is the remainder wrong? */ + if (mpz_cmp (x2, temp2) != 0) + dump_abort (x2, x, rem); + } + + exit (0); +} + +dump_abort (x2, x, rem) + mpz_t x2, x, rem; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "x2 = "); debug_mp (x2, -16); + fprintf (stderr, "x = "); debug_mp (x, -16); + fprintf (stderr, "remainder = "); debug_mp (rem, -16); + abort(); +} + +void +debug_mp (x, base) + mpz_t x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/t-tdiv.c b/contrib/libgmp/mpz/tests/t-tdiv.c new file mode 100644 index 000000000000..d646ed8c59dd --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-tdiv.c @@ -0,0 +1,118 @@ +/* Test mpz_abs, mpz_add, mpz_cmp, mpz_cmp_ui, mpz_tdiv_qr, mpz_tdiv_q, + mpz_tdiv_r, mpz_mul. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 16 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t dividend, divisor; + mpz_t quotient, remainder; + mpz_t quotient2, remainder2; + mpz_t temp; + mp_size_t dividend_size, divisor_size; + int i; + int reps = 100000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (dividend); + mpz_init (divisor); + mpz_init (quotient); + mpz_init (remainder); + mpz_init (quotient2); + mpz_init (remainder2); + mpz_init (temp); + + for (i = 0; i < reps; i++) + { + dividend_size = urandom () % SIZE - SIZE/2; + mpz_random2 (dividend, dividend_size); + + divisor_size = urandom () % SIZE - SIZE/2; + mpz_random2 (divisor, divisor_size); + if (mpz_cmp_ui (divisor, 0) == 0) + continue; + + mpz_tdiv_qr (quotient, remainder, dividend, divisor); + mpz_tdiv_q (quotient2, dividend, divisor); + mpz_tdiv_r (remainder2, dividend, divisor); + + /* First determine that the quotients and remainders computed + with different functions are equal. */ + if (mpz_cmp (quotient, quotient2) != 0) + dump_abort (dividend, divisor); + if (mpz_cmp (remainder, remainder2) != 0) + dump_abort (dividend, divisor); + + /* Check if the sign of the quotient is correct. */ + if (mpz_cmp_ui (quotient, 0) != 0) + if ((mpz_cmp_ui (quotient, 0) < 0) + != ((mpz_cmp_ui (dividend, 0) ^ mpz_cmp_ui (divisor, 0)) < 0)) + dump_abort (dividend, divisor); + + /* Check if the remainder has the same sign as the dividend + (quotient rounded towards 0). */ + if (mpz_cmp_ui (remainder, 0) != 0) + if ((mpz_cmp_ui (remainder, 0) < 0) != (mpz_cmp_ui (dividend, 0) < 0)) + dump_abort (dividend, divisor); + + mpz_mul (temp, quotient, divisor); + mpz_add (temp, temp, remainder); + if (mpz_cmp (temp, dividend) != 0) + dump_abort (dividend, divisor); + + mpz_abs (temp, divisor); + mpz_abs (remainder, remainder); + if (mpz_cmp (remainder, temp) >= 0) + dump_abort (dividend, divisor); + } + + exit (0); +} + +dump_abort (dividend, divisor) + mpz_t dividend, divisor; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "dividend = "); debug_mp (dividend, -16); + fprintf (stderr, "divisor = "); debug_mp (divisor, -16); + abort(); +} + +void +debug_mp (x, base) + mpz_t x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/tests/t-tdiv_ui.c b/contrib/libgmp/mpz/tests/t-tdiv_ui.c new file mode 100644 index 000000000000..8d73b1108162 --- /dev/null +++ b/contrib/libgmp/mpz/tests/t-tdiv_ui.c @@ -0,0 +1,117 @@ +/* Test mpz_abs, mpz_add, mpz_cmp, mpz_cmp_ui, mpz_tdiv_qr_ui, mpz_tdiv_q_ui, + mpz_tdiv_r_ui, mpz_mul_ui. + +Copyright (C) 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include <stdio.h> +#include "gmp.h" +#include "gmp-impl.h" +#include "urandom.h" + +void debug_mp (); + +#ifndef SIZE +#define SIZE 16 +#endif + +main (argc, argv) + int argc; + char **argv; +{ + mpz_t dividend; + mpz_t quotient, remainder; + mpz_t quotient2, remainder2; + mpz_t temp; + mp_size_t dividend_size; + mp_limb_t divisor; + int i; + int reps = 100000; + + if (argc == 2) + reps = atoi (argv[1]); + + mpz_init (dividend); + mpz_init (quotient); + mpz_init (remainder); + mpz_init (quotient2); + mpz_init (remainder2); + mpz_init (temp); + + for (i = 0; i < reps; i++) + { + dividend_size = urandom () % SIZE - SIZE/2; + mpz_random2 (dividend, dividend_size); + + divisor = urandom (); + if (divisor == 0) + continue; + + mpz_tdiv_qr_ui (quotient, remainder, dividend, divisor); + mpz_tdiv_q_ui (quotient2, dividend, divisor); + mpz_tdiv_r_ui (remainder2, dividend, divisor); + + /* First determine that the quotients and remainders computed + with different functions are equal. */ + if (mpz_cmp (quotient, quotient2) != 0) + dump_abort (dividend, divisor); + if (mpz_cmp (remainder, remainder2) != 0) + dump_abort (dividend, divisor); + + /* Check if the sign of the quotient is correct. */ + if (mpz_cmp_ui (quotient, 0) != 0) + if ((mpz_cmp_ui (quotient, 0) < 0) + != (mpz_cmp_ui (dividend, 0) < 0)) + dump_abort (dividend, divisor); + + /* Check if the remainder has the same sign as the dividend + (quotient rounded towards 0). */ + if (mpz_cmp_ui (remainder, 0) != 0) + if ((mpz_cmp_ui (remainder, 0) < 0) != (mpz_cmp_ui (dividend, 0) < 0)) + dump_abort (dividend, divisor); + + mpz_mul_ui (temp, quotient, divisor); + mpz_add (temp, temp, remainder); + if (mpz_cmp (temp, dividend) != 0) + dump_abort (dividend, divisor); + + mpz_abs (remainder, remainder); + if (mpz_cmp_ui (remainder, divisor) >= 0) + dump_abort (dividend, divisor); + } + + exit (0); +} + +dump_abort (dividend, divisor) + mpz_t dividend; + mp_limb_t divisor; +{ + fprintf (stderr, "ERROR\n"); + fprintf (stderr, "dividend = "); debug_mp (dividend, -16); + fprintf (stderr, "divisor = %lX\n", divisor); + abort(); +} + +void +debug_mp (x, base) + mpz_t x; +{ + mpz_out_str (stderr, base, x); fputc ('\n', stderr); +} diff --git a/contrib/libgmp/mpz/ui_pow_ui.c b/contrib/libgmp/mpz/ui_pow_ui.c new file mode 100644 index 000000000000..19baca14b48f --- /dev/null +++ b/contrib/libgmp/mpz/ui_pow_ui.c @@ -0,0 +1,111 @@ +/* mpz_ui_pow_ui(res, base, exp) -- Set RES to BASE**EXP. + +Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc. + +This file is part of the GNU MP Library. + +The GNU MP Library is free software; you can redistribute it and/or modify +it under the terms of the GNU Library General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at your +option) any later version. + +The GNU MP Library is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void +#if __STDC__ +mpz_ui_pow_ui (mpz_ptr r, unsigned long int b, unsigned long int e) +#else +mpz_ui_pow_ui (r, b, e) + mpz_ptr r; + unsigned long int b; + unsigned long int e; +#endif +{ + mp_ptr rp, tp, xp; + mp_size_t rsize; + int cnt, i; + mp_limb_t blimb = b; + TMP_DECL (marker); + + /* Single out cases that give result == 0 or 1. These tests are here + to simplify the general code below, not to optimize. */ + if (e == 0) + { + r->_mp_d[0] = 1; + r->_mp_size = 1; + return; + } + if (blimb == 0) + { + r->_mp_size = 0; + return; + } + + if (blimb < 0x100) + { + /* Estimate space requirements accurately. Using the code from the + `else' path would over-estimate space requirements wildly. */ + float lb = __mp_bases[blimb].chars_per_bit_exactly; + rsize = 2 + ((mp_size_t) (e / lb) / BITS_PER_MP_LIMB); + } + else + { + /* Over-estimate space requirements somewhat. */ + count_leading_zeros (cnt, blimb); + rsize = e - cnt * e / BITS_PER_MP_LIMB + 1; + } + + TMP_MARK (marker); + + /* The two areas are used to alternatingly hold the input and recieve the + product for mpn_mul. (This scheme is used to fulfill the requirements + of mpn_mul; that the product space may not be the same as any of the + input operands.) */ + rp = (mp_ptr) TMP_ALLOC (rsize * BYTES_PER_MP_LIMB); + tp = (mp_ptr) TMP_ALLOC (rsize * BYTES_PER_MP_LIMB); + + rp[0] = blimb; + rsize = 1; + count_leading_zeros (cnt, e); + + for (i = BITS_PER_MP_LIMB - cnt - 2; i >= 0; i--) + { + mpn_mul_n (tp, rp, rp, rsize); + rsize = 2 * rsize; + rsize -= tp[rsize - 1] == 0; + xp = tp; tp = rp; rp = xp; + + if ((e & ((mp_limb_t) 1 << i)) != 0) + { + mp_limb_t cy; + cy = mpn_mul_1 (tp, rp, rsize, blimb); + if (cy != 0) + { + tp[rsize] = cy; + rsize++; + } + xp = tp; tp = rp; rp = xp; + } + } + + /* Now then we know the exact space requirements, reallocate if + necessary. */ + if (r->_mp_alloc < rsize) + _mpz_realloc (r, rsize); + + MPN_COPY (r->_mp_d, rp, rsize); + r->_mp_size = rsize; + TMP_FREE (marker); +} |