/* Set current rounding direction.

   Copyright (C) 1997-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>

   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>

int

__fesetround (int round)

{

  fexcept_t fpcr;

  if (round & ~FE_UPWARD)

    /* ROUND is no valid rounding mode.  */

    return 1;

  __asm__ ("fmove%.l %!,%0" : "=dm" (fpcr));

  fpcr &= ~FE_UPWARD;

  fpcr |= round;

  __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (fpcr));

  return 0;

}

libm_hidden_def (__fesetround)

weak_alias (__fesetround, fesetround)

libm_hidden_weak (fesetround)