/* Wrapper for __log1p that handles setting errno. Copyright (C) 2015-2016 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 <http://www.gnu.org/licenses/>. */ #include <errno.h> #include <math.h> #include <math_private.h> double __w_log1p (double x) { if (__glibc_unlikely (islessequal (x, -1.0))) { if (x == -1.0) __set_errno (ERANGE); else __set_errno (EDOM); } return __log1p (x); } weak_alias (__w_log1p, log1p) #ifdef NO_LONG_DOUBLE strong_alias (__w_log1p, __log1pl) weak_alias (__w_log1p, log1pl) #endif