1 files changed, 0 insertions, 75 deletions
diff --git a/pl/math/logf.c b/pl/math/logf.c
deleted file mode 100644
index 17a74ed6d28f..000000000000
--- a/pl/math/logf.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Single-precision log function.
- *
- * Copyright (c) 2017-2023, Arm Limited.
- * SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
- */
-
-#include <math.h>
-#include <stdint.h>
-#include "math_config.h"
-
-/*
-LOGF_TABLE_BITS = 4
-LOGF_POLY_ORDER = 4
-
-ULP error: 0.818 (nearest rounding.)
-Relative error: 1.957 * 2^-26 (before rounding.)
-*/
-
-#define T __logf_data.tab
-#define A __logf_data.poly
-#define Ln2 __logf_data.ln2
-#define N (1 << LOGF_TABLE_BITS)
-#define OFF 0x3f330000
-
-float
-optr_aor_log_f32 (float x)
-{
-  /* double_t for better performance on targets with FLT_EVAL_METHOD==2.  */
-  double_t z, r, r2, y, y0, invc, logc;
-  uint32_t ix, iz, tmp;
-  int k, i;
-
-  ix = asuint (x);
-#if WANT_ROUNDING
-  /* Fix sign of zero with downward rounding when x==1.  */
-  if (unlikely (ix == 0x3f800000))
-    return 0;
-#endif
-  if (unlikely (ix - 0x00800000 >= 0x7f800000 - 0x00800000))
-    {
-      /* x < 0x1p-126 or inf or nan.  */
-      if (ix * 2 == 0)
-	return __math_divzerof (1);
-      if (ix == 0x7f800000) /* log(inf) == inf.  */
-	return x;
-      if ((ix & 0x80000000) || ix * 2 >= 0xff000000)
-	return __math_invalidf (x);
-      /* x is subnormal, normalize it.  */
-      ix = asuint (x * 0x1p23f);
-      ix -= 23 << 23;
-    }
-
-  /* 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 >> (23 - LOGF_TABLE_BITS)) % N;
-  k = (int32_t) tmp >> 23; /* arithmetic shift */
-  iz = ix - (tmp & 0x1ff << 23);
-  invc = T[i].invc;
-  logc = T[i].logc;
-  z = (double_t) asfloat (iz);
-
-  /* log(x) = log1p(z/c-1) + log(c) + k*Ln2 */
-  r = z * invc - 1;
-  y0 = logc + (double_t) k * Ln2;
-
-  /* Pipelined polynomial evaluation to approximate log1p(r).  */
-  r2 = r * r;
-  y = A[1] * r + A[2];
-  y = A[0] * r2 + y;
-  y = y * r2 + (y0 + r);
-  return eval_as_float (y);
-}