1 files changed, 0 insertions, 104 deletions
diff --git a/contrib/arm-optimized-routines/math/v_log.c b/contrib/arm-optimized-routines/math/v_log.c
deleted file mode 100644
index d84c740d2b6b..000000000000
--- a/contrib/arm-optimized-routines/math/v_log.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Double-precision vector log(x) function.
- *
- * Copyright (c) 2019, Arm Limited.
- * SPDX-License-Identifier: MIT
- */
-
-#include "mathlib.h"
-#include "v_math.h"
-#include "v_log.h"
-#if V_SUPPORTED
-
-/* Worst-case error: 1.17 + 0.5 ulp.  */
-
-static const f64_t Poly[] = {
-  /* rel error: 0x1.6272e588p-56 in [ -0x1.fc1p-9 0x1.009p-8 ].  */
-  -0x1.ffffffffffff7p-2,
-   0x1.55555555170d4p-2,
-  -0x1.0000000399c27p-2,
-   0x1.999b2e90e94cap-3,
-  -0x1.554e550bd501ep-3,
-};
-
-#define A0 v_f64 (Poly[0])
-#define A1 v_f64 (Poly[1])
-#define A2 v_f64 (Poly[2])
-#define A3 v_f64 (Poly[3])
-#define A4 v_f64 (Poly[4])
-#define Ln2 v_f64 (0x1.62e42fefa39efp-1)
-#define N (1 << V_LOG_TABLE_BITS)
-#define OFF v_u64 (0x3fe6900900000000)
-
-struct entry
-{
-  v_f64_t invc;
-  v_f64_t logc;
-};
-
-static inline struct entry
-lookup (v_u64_t i)
-{
-  struct entry e;
-#ifdef SCALAR
-  e.invc = __v_log_data[i].invc;
-  e.logc = __v_log_data[i].logc;
-#else
-  e.invc[0] = __v_log_data[i[0]].invc;
-  e.logc[0] = __v_log_data[i[0]].logc;
-  e.invc[1] = __v_log_data[i[1]].invc;
-  e.logc[1] = __v_log_data[i[1]].logc;
-#endif
-  return e;
-}
-
-VPCS_ATTR
-__attribute__ ((noinline)) static v_f64_t
-specialcase (v_f64_t x, v_f64_t y, v_u64_t cmp)
-{
-  return v_call_f64 (log, x, y, cmp);
-}
-
-VPCS_ATTR
-v_f64_t
-V_NAME(log) (v_f64_t x)
-{
-  v_f64_t z, r, r2, p, y, kd, hi;
-  v_u64_t ix, iz, tmp, top, i, cmp;
-  v_s64_t k;
-  struct entry e;
-
-  ix = v_as_u64_f64 (x);
-  top = ix >> 48;
-  cmp = v_cond_u64 (top - v_u64 (0x0010) >= v_u64 (0x7ff0 - 0x0010));
-
-  /* x = 2^k z; where z is in range [OFF,2*OFF) and exact.
-     The range is split into N subintervals.
-     The ith subinterval contains z and c is near its center.  */
-  tmp = ix - OFF;
-  i = (tmp >> (52 - V_LOG_TABLE_BITS)) % N;
-  k = v_as_s64_u64 (tmp) >> 52; /* arithmetic shift */
-  iz = ix - (tmp & v_u64 (0xfffULL << 52));
-  z = v_as_f64_u64 (iz);
-  e = lookup (i);
-
-  /* log(x) = log1p(z/c-1) + log(c) + k*Ln2.  */
-  r = v_fma_f64 (z, e.invc, v_f64 (-1.0));
-  kd = v_to_f64_s64 (k);
-
-  /* hi = r + log(c) + k*Ln2.  */
-  hi = v_fma_f64 (kd, Ln2, e.logc + r);
-  /* y = r2*(A0 + r*A1 + r2*(A2 + r*A3 + r2*A4)) + hi.  */
-  r2 = r * r;
-  y = v_fma_f64 (A3, r, A2);
-  p = v_fma_f64 (A1, r, A0);
-  y = v_fma_f64 (A4, r2, y);
-  y = v_fma_f64 (y, r2, p);
-  y = v_fma_f64 (y, r2, hi);
-
-  if (unlikely (v_any_u64 (cmp)))
-    return specialcase (x, y, cmp);
-  return y;
-}
-VPCS_ALIAS
-#endif