sysdeps/x86_64/fpu/multiarch/e_expf.c

   1 /* Multiple versions of expf.
   2    Copyright (C) 2017-2019 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <libm-alias-float.h>
  20
  21 extern float __redirect_expf (float);
  22
  23 #define SYMBOL_NAME expf
  24 #include "ifunc-fma.h"
  25
  26 libc_ifunc_redirected (__redirect_expf, __expf, IFUNC_SELECTOR ());
  27
  28 #ifdef SHARED
  29 __hidden_ver1 (__expf, __GI___expf, __redirect_expf)
  30   __attribute__ ((visibility ("hidden")));
  31
  32 # include <shlib-compat.h>
  33 versioned_symbol (libm, __expf, expf, GLIBC_2_27);
  34 libm_alias_float_other (__exp, exp)
  35 #else
  36 libm_alias_float (__exp, exp)
  37 #endif
  38
  39 strong_alias (__expf, __ieee754_expf)
  40 strong_alias (__expf, __expf_finite)
  41
  42 #define __expf __expf_sse2
  43 #include <sysdeps/ieee754/flt-32/e_expf.c>