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/* Return current rounding mode as correct value for FLT_ROUNDS. e500
version.
Copyright (C) 2013-2018 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_libc.h>
#include <stdlib.h>
int
__flt_rounds (void)
{
switch (fegetenv_register () & SPEFSCR_FRMC)
{
case FE_TOWARDZERO:
return 0;
case FE_TONEAREST:
return 1;
case FE_UPWARD:
return 2;
case FE_DOWNWARD:
return 3;
default:
abort ();
}
}
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