sysdeps/x86_64/fpu/multiarch/s_expm1.c

   1 /* Multiple versions of expm1.
   2    Copyright (C) 2023-2024 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 <libm-alias-double.h>
  22
  23 extern double __redirect_expm1 (double);
  24
  25 # define SYMBOL_NAME expm1
  26 # include "ifunc-fma.h"
  27
  28 libc_ifunc_redirected (__redirect_expm1, __expm1, IFUNC_SELECTOR ());
  29 libm_alias_double (__expm1, expm1)
  30
  31 # define __expm1 __expm1_sse2
  32
  33 /* NB: __expm1 may be expanded to __expm1_sse2 in the following
  34    prototypes.  */
  35 extern long double __expm1l (long double);
  36 extern long double __expm1f128 (long double);
  37
  38 #endif
  39 #include <sysdeps/ieee754/dbl-64/s_expm1.c>