sysdeps/x86_64/fpu/multiarch/s_rint.c

   1 /* Multiple versions of __rint.
   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 < SSE4_1_X86_ISA_LEVEL
  21 # define NO_MATH_REDIRECT
  22 # include <libm-alias-double.h>
  23
  24 # define rint __redirect_rint
  25 # define __rint __redirect___rint
  26 # include <math.h>
  27 # undef rint
  28 # undef __rint
  29
  30 # define SYMBOL_NAME rint
  31 # include "ifunc-sse4_1.h"
  32
  33 libc_ifunc_redirected (__redirect_rint, __rint, IFUNC_SELECTOR ());
  34 libm_alias_double (__rint, rint)
  35 #endif