diff options
Diffstat (limited to 'libm/arm/fesetround.c')
-rw-r--r-- | libm/arm/fesetround.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libm/arm/fesetround.c b/libm/arm/fesetround.c new file mode 100644 index 000000000..1cb6b366c --- /dev/null +++ b/libm/arm/fesetround.c @@ -0,0 +1,35 @@ +/* Set current rounding direction. + Copyright (C) 2004-2025 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_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; +} |