/* Install given floating-point environment.

   Copyright (C) 1998-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Andreas Jaeger <aj@suse.de>, 1998.

   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

   <http://www.gnu.org/licenses/>.  */

#include <fenv.h>

#include <fpu_control.h>

int

__fesetenv (const fenv_t *envp)

{

  fpu_control_t cw;

  /* Read first current state to flush fpu pipeline.  */

  _FPU_GETCW (cw);

  if (envp == FE_DFL_ENV)

    _FPU_SETCW (_FPU_DEFAULT);

  else if (envp == FE_NOMASK_ENV)

    _FPU_SETCW (_FPU_IEEE);

  else

    _FPU_SETCW (envp->__fp_control_register);

  /* Success.  */

  return 0;

}

libm_hidden_def (__fesetenv)

weak_alias (__fesetenv, fesetenv)

libm_hidden_weak (fesetenv)