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- /* Set current rounding direction.
- Copyright (C) 2004-2026 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
- <https://www.gnu.org/licenses/>. */
- #include <fenv_private.h>
- #include <arm-features.h>
- int
- __fesetround (int round)
- {
- /* FE_TONEAREST is the only supported rounding mode
- if a VFP unit isn't present. */
- if (!ARM_HAVE_VFP)
- return (round == FE_TONEAREST) ? 0 : 1;
- if (round & ~_FPU_MASK_RM)
- return 1;
- libc_fesetround_vfp (round);
- return 0;
- }
- libm_hidden_def (__fesetround)
- weak_alias (__fesetround, fesetround)
- libm_hidden_weak (fesetround)
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