diff options
Diffstat (limited to 'contrib/libgmp/mpbsd')
-rw-r--r-- | contrib/libgmp/mpbsd/Makefile.in | 84 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/configure.in | 20 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/itom.c | 54 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/mdiv.c | 39 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/mfree.c | 36 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/min.c | 89 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/mout.c | 96 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/move.c | 46 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/mtox.c | 81 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/realloc.c | 44 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/sdiv.c | 77 | ||||
-rw-r--r-- | contrib/libgmp/mpbsd/xtom.c | 110 |
12 files changed, 776 insertions, 0 deletions
diff --git a/contrib/libgmp/mpbsd/Makefile.in b/contrib/libgmp/mpbsd/Makefile.in new file mode 100644 index 000000000000..a517c1aba1cb --- /dev/null +++ b/contrib/libgmp/mpbsd/Makefile.in @@ -0,0 +1,84 @@ +# Makefile for GNU MP/mpbsd 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 +SHELL = /bin/sh + +#### host and target specific makefile fragments come in here. +### + +MPBSD_LINKS = add.c cmp.c gcd.c mul.c pow_ui.c powm.c sqrtrem.c sub.c +MPBSD_SRCS = itom.c mdiv.c mfree.c min.c mout.c move.c mtox.c sdiv.c xtom.c \ + realloc.c $(MPBSD_LINKS) + +MPBSD_OBJS = itom.o mdiv.o mfree.o min.o mout.o move.o mtox.o sdiv.o xtom.o \ + realloc.o add.o cmp.o gcd.o mul.o pow_ui.o powm.o sqrtrem.o sub.o + +INCLUDES = -I. -I.. -I$(srcdir)/../mpz -I../mpn -I$(srcdir)/.. + +libmpbsd.a: Makefile.in $(MPBSD_OBJS) + rm -f $@ + $(AR) cr $@ $(MPBSD_OBJS) + +.c.o: + $(CC) -c $(INCLUDES) -DBERKELEY_MP $(CFLAGS) $(XCFLAGS) $< + +check: + true + +clean mostlyclean: + rm -f *.o libmpbsd.a +distclean maintainer-clean: clean + rm -f Makefile config.status $(MPBSD_LINKS) + +Makefile: $(srcdir)/Makefile.in + $(SHELL) ./config.status + +H = $(srcdir)/../gmp.h $(srcdir)/../gmp-impl.h ../mpn/gmp-mparam.h +L = $(srcdir)/../longlong.h + +itom.o: $(srcdir)/itom.c ../mp.h $(H) +mdiv.o: $(srcdir)/mdiv.c ../mp.h $(H) $(L) $(srcdir)/../mpz/dmincl.c +mfree.o: $(srcdir)/mfree.c ../mp.h $(H) +min.o: $(srcdir)/min.c ../mp.h $(H) +mout.o: $(srcdir)/mout.c ../mp.h $(H) +move.o: $(srcdir)/move.c ../mp.h $(H) +mtox.o: $(srcdir)/mtox.c ../mp.h $(H) +sdiv.o: $(srcdir)/sdiv.c ../mp.h $(H) $(L) +xtom.o: $(srcdir)/xtom.c ../mp.h $(H) +add.o: $(srcdir)/../mpz/add.c $(H) +cmp.o: $(srcdir)/../mpz/cmp.c $(H) +gcd.o: $(srcdir)/../mpz/gcd.c $(H) $(L) +mul.o: $(srcdir)/../mpz/mul.c $(H) +pow_ui.o: $(srcdir)/../mpz/pow_ui.c $(H) $(L) +powm.o: $(srcdir)/../mpz/powm.c $(H) $(L) +realloc.o: $(srcdir)/realloc.c $(H) +sqrtrem.o: $(srcdir)/../mpz/sqrtrem.c $(H) +sub.o: $(srcdir)/../mpz/sub.c $(H) diff --git a/contrib/libgmp/mpbsd/configure.in b/contrib/libgmp/mpbsd/configure.in new file mode 100644 index 000000000000..ec220753b079 --- /dev/null +++ b/contrib/libgmp/mpbsd/configure.in @@ -0,0 +1,20 @@ +# 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= +srctrigger=itom.c +srcname="GNU Multi-Precision library/mpbsd" + +# per-host: + +# per-target: + +mpzfiles="add.c cmp.c gcd.c mul.c pow_ui.c powm.c sqrtrem.c sub.c" + +for fn in $mpzfiles + do + rm -f $fn + files="$files ../mpz/$fn" + links="$links $fn" + done diff --git a/contrib/libgmp/mpbsd/itom.c b/contrib/libgmp/mpbsd/itom.c new file mode 100644 index 000000000000..719a4dcdcb21 --- /dev/null +++ b/contrib/libgmp/mpbsd/itom.c @@ -0,0 +1,54 @@ +/* itom -- BSD compatible allocate and initiate a MINT. + +Copyright (C) 1991, 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 "mp.h" +#include "gmp.h" +#include "gmp-impl.h" + +MINT * +#if __STDC__ +itom (signed short int n) +#else +itom (n) + short int n; +#endif +{ + MINT *x; + mp_ptr xp; + + x = (MINT *) (*_mp_allocate_func) (sizeof (MINT)); + x->_mp_alloc = 1; + x->_mp_d = xp = (mp_ptr) (*_mp_allocate_func) (BYTES_PER_MP_LIMB); + if (n > 0) + { + x->_mp_size = 1; + xp[0] = n; + } + else if (n < 0) + { + x->_mp_size = -1; + xp[0] = -n; + } + else + x->_mp_size = 0; + + return x; +} diff --git a/contrib/libgmp/mpbsd/mdiv.c b/contrib/libgmp/mpbsd/mdiv.c new file mode 100644 index 000000000000..103c2c307adc --- /dev/null +++ b/contrib/libgmp/mpbsd/mdiv.c @@ -0,0 +1,39 @@ +/* mdiv -- BSD compatible divide producing both remainder and quotient. + +Copyright (C) 1991, 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 "mp.h" +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void +#if __STDC__ +mdiv (const MINT *num, const MINT *den, MINT *quot, MINT *rem) +#else +mdiv (num, den, quot, rem) + const MINT *num; + const MINT *den; + MINT *quot; + MINT *rem; +#endif + +#define COMPUTE_QUOTIENT +#include "dmincl.c" diff --git a/contrib/libgmp/mpbsd/mfree.c b/contrib/libgmp/mpbsd/mfree.c new file mode 100644 index 000000000000..ef931e3f42ff --- /dev/null +++ b/contrib/libgmp/mpbsd/mfree.c @@ -0,0 +1,36 @@ +/* mfree -- BSD compatible mfree. + +Copyright (C) 1991, 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 "mp.h" +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mfree (MINT *m) +#else +mfree (m) + MINT *m; +#endif +{ + (*_mp_free_func) (m->_mp_d, m->_mp_alloc * BYTES_PER_MP_LIMB); + (*_mp_free_func) (m, sizeof (MINT)); +} diff --git a/contrib/libgmp/mpbsd/min.c b/contrib/libgmp/mpbsd/min.c new file mode 100644 index 000000000000..6edb1716628a --- /dev/null +++ b/contrib/libgmp/mpbsd/min.c @@ -0,0 +1,89 @@ +/* min(MINT) -- Do decimal input from standard input and store result in + MINT. + +Copyright (C) 1991, 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 <stdio.h> +#include <ctype.h> +#include "mp.h" +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +min (MINT *dest) +#else +min (dest) + MINT *dest; +#endif +{ + char *str; + size_t alloc_size, str_size; + int c; + int negative; + mp_size_t dest_size; + + alloc_size = 100; + str = (char *) (*_mp_allocate_func) (alloc_size); + str_size = 0; + + /* Skip whitespace. */ + do + c = getc (stdin); + while (isspace (c)); + + negative = 0; + if (c == '-') + { + negative = 1; + c = getc (stdin); + } + + if (digit_value_in_base (c, 10) < 0) + return; /* error if no digits */ + + 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, 10); + if (dig < 0) + break; + str[str_size++] = dig; + c = getc (stdin); + } + + ungetc (c, stdin); + + dest_size = str_size / __mp_bases[10].chars_per_limb + 1; + if (dest->_mp_alloc < dest_size) + _mp_realloc (dest, dest_size); + + dest_size = mpn_set_str (dest->_mp_d, (unsigned char *) str, str_size, 10); + dest->_mp_size = negative ? -dest_size : dest_size; + + (*_mp_free_func) (str, alloc_size); + return; +} diff --git a/contrib/libgmp/mpbsd/mout.c b/contrib/libgmp/mpbsd/mout.c new file mode 100644 index 000000000000..a6b62be8516d --- /dev/null +++ b/contrib/libgmp/mpbsd/mout.c @@ -0,0 +1,96 @@ +/* mout(MINT) -- Do decimal output of MINT to standard output. + +Copyright (C) 1991, 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 "mp.h" +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mout (const MINT *x) +#else +mout (x) + const MINT *x; +#endif +{ + mp_ptr xp; + mp_size_t x_size = x->_mp_size; + unsigned char *str; + size_t str_size; + char *num_to_text; + int i; + TMP_DECL (marker); + + if (x_size == 0) + { + fputc ('0', stdout); + return; + } + if (x_size < 0) + { + fputc ('-', stdout); + x_size = -x_size; + } + + TMP_MARK (marker); + str_size = ((size_t) (x_size * BITS_PER_MP_LIMB + * __mp_bases[10].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, 10, 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] = "0123456789"[str[i]]; + str[str_size] = 0; + + str_size = strlen (str); + if (str_size % 10 != 0) + { + fwrite (str, 1, str_size % 10, stdout); + str += str_size % 10; + str_size -= str_size % 10; + if (str_size != 0) + fputc (' ', stdout); + } + for (i = 0; i < str_size; i += 10) + { + fwrite (str, 1, 10, stdout); + str += 10; + if (i + 10 < str_size) + fputc (' ', stdout); + } + fputc ('\n', stdout); + TMP_FREE (marker); +} diff --git a/contrib/libgmp/mpbsd/move.c b/contrib/libgmp/mpbsd/move.c new file mode 100644 index 000000000000..8256cc704c52 --- /dev/null +++ b/contrib/libgmp/mpbsd/move.c @@ -0,0 +1,46 @@ +/* move -- BSD compatible assignment. + +Copyright (C) 1991, 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 "mp.h" +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +move (const MINT *u, MINT *w) +#else +move (u, w) + const MINT *u; + MINT *w; +#endif +{ + mp_size_t usize; + mp_size_t abs_usize; + + usize = u->_mp_size; + abs_usize = ABS (usize); + + if (w->_mp_alloc < abs_usize) + _mp_realloc (w, abs_usize); + + w->_mp_size = usize; + MPN_COPY (w->_mp_d, u->_mp_d, abs_usize); +} diff --git a/contrib/libgmp/mpbsd/mtox.c b/contrib/libgmp/mpbsd/mtox.c new file mode 100644 index 000000000000..8baec2a1ec8a --- /dev/null +++ b/contrib/libgmp/mpbsd/mtox.c @@ -0,0 +1,81 @@ +/* mtox -- Convert OPERAND to hexadecimal and return a malloc'ed string + with the result of the conversion. + +Copyright (C) 1991, 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 "mp.h" +#include "gmp.h" +#include "gmp-impl.h" + +char * +#if __STDC__ +mtox (const MINT *x) +#else +mtox (x) + const MINT *x; +#endif +{ + mp_ptr xp; + mp_size_t xsize = x->_mp_size; + mp_size_t xsign; + unsigned char *str, *s; + size_t str_size, i; + int zeros; + char *num_to_text; + TMP_DECL (marker); + + if (xsize == 0) + { + str = (unsigned char *) (*_mp_allocate_func) (2); + str[0] = '0'; + str[1] = 0; + return str; + } + xsign = xsize; + if (xsize < 0) + xsize = -xsize; + + TMP_MARK (marker); + str_size = ((size_t) (xsize * BITS_PER_MP_LIMB + * __mp_bases[16].chars_per_bit_exactly)) + 3; + str = (unsigned char *) (*_mp_allocate_func) (str_size); + s = str; + + if (xsign < 0) + *s++ = '-'; + + /* 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 ((xsize + 1) * BYTES_PER_MP_LIMB); + MPN_COPY (xp, x->_mp_d, xsize); + + str_size = mpn_get_str (s, 16, xp, xsize); + + /* mpn_get_str might make some leading zeros. Skip them. */ + for (zeros = 0; s[zeros] == 0; zeros++) + str_size--; + + /* Translate to printable chars and move string down. */ + for (i = 0; i < str_size; i++) + s[i] = "0123456789abcdef"[s[zeros + i]]; + s[str_size] = 0; + + return str; +} diff --git a/contrib/libgmp/mpbsd/realloc.c b/contrib/libgmp/mpbsd/realloc.c new file mode 100644 index 000000000000..64bee76f1f1c --- /dev/null +++ b/contrib/libgmp/mpbsd/realloc.c @@ -0,0 +1,44 @@ +/* _mp_realloc -- make the MINT* 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 "mp.h" +#include "gmp.h" +#include "gmp-impl.h" + +void * +#if __STDC__ +_mp_realloc (MINT *m, mp_size_t new_size) +#else +_mp_realloc (m, new_size) + MINT *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; + return (void *) m->_mp_d; +} diff --git a/contrib/libgmp/mpbsd/sdiv.c b/contrib/libgmp/mpbsd/sdiv.c new file mode 100644 index 000000000000..6982e200949e --- /dev/null +++ b/contrib/libgmp/mpbsd/sdiv.c @@ -0,0 +1,77 @@ +/* sdiv -- Divide a MINT by a short integer. Produce a MINT quotient + and a short remainder. + +Copyright (C) 1991, 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 "mp.h" +#include "gmp.h" +#include "gmp-impl.h" +#include "longlong.h" + +void +#if __STDC__ +sdiv (const MINT *dividend, signed short int divisor_short, MINT *quot, short *rem_ptr) +#else +sdiv (dividend, divisor_short, quot, rem_ptr) + const MINT *dividend; + short int divisor_short; + MINT *quot; + short *rem_ptr; +#endif +{ + mp_size_t sign_dividend; + signed long int sign_divisor; + mp_size_t dividend_size, quot_size; + mp_ptr dividend_ptr, quot_ptr; + mp_limb_t divisor_limb; + mp_limb_t remainder_limb; + + sign_dividend = dividend->_mp_size; + dividend_size = ABS (dividend->_mp_size); + + if (dividend_size == 0) + { + quot->_mp_size = 0; + *rem_ptr = 0; + return; + } + + sign_divisor = divisor_short; + divisor_limb = ABS (divisor_short); + + /* No need for temporary allocation and copying even if QUOT == DIVIDEND + as the divisor is just one limb, and thus no intermediate remainders + need to be stored. */ + + if (quot->_mp_alloc < dividend_size) + _mp_realloc (quot, dividend_size); + + quot_ptr = quot->_mp_d; + dividend_ptr = dividend->_mp_d; + + remainder_limb = mpn_divmod_1 (quot_ptr, + dividend_ptr, dividend_size, divisor_limb); + + *rem_ptr = sign_dividend >= 0 ? remainder_limb : -remainder_limb; + /* The quotient is DIVIDEND_SIZE limbs, but the most significant + might be zero. Set QUOT_SIZE properly. */ + quot_size = dividend_size - (quot_ptr[dividend_size - 1] == 0); + quot->_mp_size = (sign_divisor ^ sign_dividend) >= 0 ? quot_size : -quot_size; +} diff --git a/contrib/libgmp/mpbsd/xtom.c b/contrib/libgmp/mpbsd/xtom.c new file mode 100644 index 000000000000..5a529e8e46ea --- /dev/null +++ b/contrib/libgmp/mpbsd/xtom.c @@ -0,0 +1,110 @@ +/* xtom -- convert a hexadecimal string to a MINT, and return a pointer to + the MINT. + +Copyright (C) 1991, 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 "mp.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; +} + +MINT * +#if __STDC__ +xtom (const char *str) +#else +xtom (str) + const char *str; +#endif +{ + size_t str_size; + char *s, *begs; + size_t i; + mp_size_t xsize; + int c; + int negative; + MINT *x = (MINT *) (*_mp_allocate_func) (sizeof (MINT)); + 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, 16) < 0) + return 0; /* error if no digits */ + + 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, 16); + if (dig < 0) + { + TMP_FREE (marker); + return 0; + } + *s++ = dig; + } + c = *str++; + } + + str_size = s - begs; + + xsize = str_size / __mp_bases[16].chars_per_limb + 1; + x->_mp_alloc = xsize; + x->_mp_d = (mp_ptr) (*_mp_allocate_func) (xsize * BYTES_PER_MP_LIMB); + + xsize = mpn_set_str (x->_mp_d, (unsigned char *) begs, str_size, 16); + x->_mp_size = negative ? -xsize : xsize; + + TMP_FREE (marker); + return x; +} |