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Diffstat (limited to 'libm/w_fmodf.c')
-rw-r--r-- | libm/w_fmodf.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/libm/w_fmodf.c b/libm/w_fmodf.c new file mode 100644 index 000000000..773c90097 --- /dev/null +++ b/libm/w_fmodf.c @@ -0,0 +1,33 @@ +/* Copyright (C) 2011-2016 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gmail.com>, 2011. + + 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 <math.h> +#include "math_private.h" + +/* wrapper fmodf */ +float +fmodf (float x, float y) +{ +#if __UCLIBC_HAS_FENV__ + if (__builtin_expect (isinf (x) || y == 0.0f, 0) + && _LIB_VERSION != _IEEE_ && !isnan (y) && !isnan (x)) + /* fmod(+-Inf,y) or fmod(x,0) */ + return __kernel_standard_f (x, y, 127); +#endif + return (float) __ieee754_fmod ((double) x,(double) y); +} |