sysdeps/sparc/fpu/fclrexcpt.c

   1 /* Clear given exceptions in current floating-point environment.
   2    Copyright (C) 1997-2023 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 <fenv.h>
  20 #include <fenv_private.h>
  21 #include <shlib-compat.h>
  22
  23 int
  24 __feclearexcept (int excepts)
  25 {
  26   fenv_t tmp;
  27
  28   __fenv_stfsr (tmp);
  29
  30   tmp &= ~(excepts & FE_ALL_EXCEPT);
  31
  32   __fenv_ldfsr (tmp);
  33
  34   /* Success.  */
  35   return 0;
  36 }
  37
  38 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
  39 strong_alias (__feclearexcept, __old_feclearexcept)
  40 compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1);
  41 #endif
  42
  43 libm_hidden_ver (__feclearexcept, feclearexcept)
  44 versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2);