1  /* Multiple versions of cosf
       2     Copyright (C) 2012-2023 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 <init-arch.h>
      20  #include <libm-alias-float.h>
      21  #include <math.h>
      22  
      23  extern float __cosf_sse2 (float);
      24  extern float __cosf_ia32 (float);
      25  
      26  libm_ifunc (__cosf, CPU_FEATURE_USABLE (SSE2) ? __cosf_sse2 : __cosf_ia32);
      27  libm_alias_float (__cos, cos);
      28  
      29  #define COSF __cosf_ia32
      30  #include <sysdeps/ieee754/flt-32/s_cosf.c>