[glibc.git] / sysdeps / mips / fpu / feupdateenv.c

/* Install given floating-point environment and raise exceptions.
   Copyright (C) 1998-2024 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.h>
#include <fpu_control.h>

int
__feupdateenv (const fenv_t *envp)
{
  int temp;

  /* Save current exceptions.  */
  _FPU_GETCW (temp);
  temp &= FE_ALL_EXCEPT;

  /* Install new environment.  */
  __fesetenv (envp);

  /* Raise the saved exception.  Incidentally for us the implementation
     defined format of the values in objects of type fexcept_t is the
     same as the ones specified using the FE_* constants.  */
  __feraiseexcept (temp);

  /* Success.  */
  return 0;
}
libm_hidden_def (__feupdateenv)
weak_alias (__feupdateenv, feupdateenv)
libm_hidden_weak (feupdateenv)
Commit	Line	Data
	1	/* Install given floating-point environment and raise exceptions.
	2	Copyright (C) 1998-2024 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 <fenv.h>
	20	#include <fpu_control.h>
	21
	22	int
	23	__feupdateenv (const fenv_t *envp)
	24	{
	25	int temp;
	26
	27	/* Save current exceptions. */
	28	_FPU_GETCW (temp);
	29	temp &= FE_ALL_EXCEPT;
	30
	31	/* Install new environment. */
	32	__fesetenv (envp);
	33
	34	/* Raise the saved exception. Incidentally for us the implementation
	35	defined format of the values in objects of type fexcept_t is the
	36	same as the ones specified using the FE_* constants. */
	37	__feraiseexcept (temp);
	38
	39	/* Success. */
	40	return 0;
	41	}
	42	libm_hidden_def (__feupdateenv)
	43	weak_alias (__feupdateenv, feupdateenv)
	44	libm_hidden_weak (feupdateenv)