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/* Copyright (C) 1997-2014 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
<http://www.gnu.org/licenses/>. */
#include <fenv.h>
#include <fpu_control.h>
int
fesetround (int round)
{
fpu_control_t fpcr;
fpu_control_t fpcr_new;
switch (round)
{
case FE_TONEAREST:
case FE_UPWARD:
case FE_DOWNWARD:
case FE_TOWARDZERO:
_FPU_GETCW (fpcr);
fpcr_new = (fpcr & ~FE_TOWARDZERO) | round;
if (fpcr != fpcr_new)
_FPU_SETCW (fpcr_new);
return 0;
default:
return 1;
}
return 1;
}
libm_hidden_def (fesetround)
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