1 files changed, 0 insertions, 73 deletions
diff --git a/contrib/arm-optimized-routines/math/v_logf.c b/contrib/arm-optimized-routines/math/v_logf.c
deleted file mode 100644
index 7373192f03fa..000000000000
--- a/contrib/arm-optimized-routines/math/v_logf.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Single-precision vector log function.
- *
- * Copyright (c) 2019, Arm Limited.
- * SPDX-License-Identifier: MIT
- */
-
-#include "mathlib.h"
-#include "v_math.h"
-#if V_SUPPORTED
-
-static const float Poly[] = {
-  /* 3.34 ulp error */
-  -0x1.3e737cp-3f, 0x1.5a9aa2p-3f, -0x1.4f9934p-3f, 0x1.961348p-3f,
-  -0x1.00187cp-2f, 0x1.555d7cp-2f, -0x1.ffffc8p-2f,
-};
-#define P7 v_f32 (Poly[0])
-#define P6 v_f32 (Poly[1])
-#define P5 v_f32 (Poly[2])
-#define P4 v_f32 (Poly[3])
-#define P3 v_f32 (Poly[4])
-#define P2 v_f32 (Poly[5])
-#define P1 v_f32 (Poly[6])
-
-#define Ln2 v_f32 (0x1.62e43p-1f) /* 0x3f317218 */
-#define Min v_u32 (0x00800000)
-#define Max v_u32 (0x7f800000)
-#define Mask v_u32 (0x007fffff)
-#define Off v_u32 (0x3f2aaaab) /* 0.666667 */
-
-VPCS_ATTR
-__attribute__ ((noinline)) static v_f32_t
-specialcase (v_f32_t x, v_f32_t y, v_u32_t cmp)
-{
-  /* Fall back to scalar code.  */
-  return v_call_f32 (logf, x, y, cmp);
-}
-
-VPCS_ATTR
-v_f32_t
-V_NAME(logf) (v_f32_t x)
-{
-  v_f32_t n, p, q, r, r2, y;
-  v_u32_t u, cmp;
-
-  u = v_as_u32_f32 (x);
-  cmp = v_cond_u32 (u - Min >= Max - Min);
-
-  /* x = 2^n * (1+r), where 2/3 < 1+r < 4/3 */
-  u -= Off;
-  n = v_to_f32_s32 (v_as_s32_u32 (u) >> 23); /* signextend */
-  u &= Mask;
-  u += Off;
-  r = v_as_f32_u32 (u) - v_f32 (1.0f);
-
-  /* y = log(1+r) + n*ln2.  */
-  r2 = r * r;
-  /* n*ln2 + r + r2*(P1 + r*P2 + r2*(P3 + r*P4 + r2*(P5 + r*P6 + r2*P7))).  */
-  p = v_fma_f32 (P6, r, P5);
-  q = v_fma_f32 (P4, r, P3);
-  y = v_fma_f32 (P2, r, P1);
-  p = v_fma_f32 (P7, r2, p);
-  q = v_fma_f32 (p, r2, q);
-  y = v_fma_f32 (q, r2, y);
-  p = v_fma_f32 (Ln2, n, r);
-  y = v_fma_f32 (y, r2, p);
-
-  if (unlikely (v_any_u32 (cmp)))
-    return specialcase (x, y, cmp);
-  return y;
-}
-VPCS_ALIAS
-#endif