Update copyright dates with scripts/update-copyrights

[thirdparty/glibc.git] / sysdeps / alpha / fpu / feholdexcpt.c

/* Store current floating-point environment and clear exceptions.
   Copyright (C) 1997-2023 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library.  If not, see
   <https://www.gnu.org/licenses/>.  */

#include <fenv_libc.h>

int
__feholdexcept (fenv_t *envp)
{
  /* Save the current state.  */
  __fegetenv(envp);

  /* Clear all exception status bits and exception enable bits.  */
  __ieee_set_fp_control(*envp & SWCR_MAP_MASK);

  return 0;
}
libm_hidden_def (__feholdexcept)
weak_alias (__feholdexcept, feholdexcept)
libm_hidden_weak (feholdexcept)