uclibc-ng/libm/or1k/fesetround.c

/* Set current rounding direction.  OpenRISC version.
   Copyright (C) 2024-2025 Free Software Foundation, Inc.

   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 "fenv_private.h"

int
fesetround (int round)
{
  switch (round)
    {
    case FE_TONEAREST:
    case FE_TOWARDZERO:
    case FE_DOWNWARD:
    case FE_UPWARD:
      libc_fesetround_or1k (round);
      return 0;
    default:
      return round; /* A nonzero value.  */
    }
}