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);