/* Wrapper to set errno for fmod. Copyright (C) 2017-2018 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 . */ /* Only build wrappers from the templates for the types that define the macro below. This macro is set in math-type-macros-.h in sysdeps/generic for each floating-point type. */ #if __USE_WRAPPER_TEMPLATE # include # include # include # include FLOAT M_DECL_FUNC (__fmod) (FLOAT x, FLOAT y) { if (__builtin_expect (isinf (x) || y == 0, 0) && !isnan (y) && !isnan (x)) /* Domain error: fmod(+-Inf,y) or fmod(x,0). If x or y are nan, these conditions should not be considered. */ __set_errno (EDOM); return M_SUF (__ieee754_fmod) (x, y); } declare_mgen_alias (__fmod, fmod) #endif /* __USE_WRAPPER_TEMPLATE. */