sysdeps/x86_64/fpu/multiarch/e_log.c

   1 /* Multiple versions of IEEE 754 log.
   2    Copyright (C) 2017-2024 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdeps/x86/isa-level.h>
  20 #if MINIMUM_X86_ISA_LEVEL < AVX2_X86_ISA_LEVEL
  21 # include <math.h>
  22 # include <libm-alias-finite.h>
  23
  24 extern double __redirect_ieee754_log (double);
  25
  26 # define SYMBOL_NAME ieee754_log
  27 # include "ifunc-avx-fma4.h"
  28
  29 libc_ifunc_redirected (__redirect_ieee754_log, __ieee754_log,
  30                        IFUNC_SELECTOR ());
  31 libm_alias_finite (__ieee754_log, __log)
  32
  33 # define __log __ieee754_log_sse2
  34 #endif
  35 #include <sysdeps/ieee754/dbl-64/e_log.c>