sysdeps/x86_64/fpu/multiarch/e_exp2f.c

   1 /* Multiple versions of exp2f.
   2    Copyright (C) 2017-2018 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_exp2f (float);
  22
  23 #define SYMBOL_NAME exp2f
  24 #include "ifunc-fma.h"
  25
  26 libc_ifunc_redirected (__redirect_exp2f, __exp2f, IFUNC_SELECTOR ());
  27
  28 #ifdef SHARED
  29 # include <shlib-compat.h>
  30 versioned_symbol (libm, __exp2f, exp2f, GLIBC_2_27);
  31 libm_alias_float_other (__exp2, exp2)
  32 #else
  33 libm_alias_float (__exp2, exp2)
  34 #endif
  35
  36 strong_alias (__exp2f, __ieee754_exp2f)
  37 strong_alias (__exp2f, __exp2f_finite)
  38
  39 #define __exp2f __exp2f_sse2
  40 #include <sysdeps/ieee754/flt-32/e_exp2f.c>