diff options
Diffstat (limited to 'REORG.TODO/math/w_log1p_template.c')
-rw-r--r-- | REORG.TODO/math/w_log1p_template.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/REORG.TODO/math/w_log1p_template.c b/REORG.TODO/math/w_log1p_template.c new file mode 100644 index 0000000000..df18ec07d0 --- /dev/null +++ b/REORG.TODO/math/w_log1p_template.c @@ -0,0 +1,36 @@ +/* Wrapper for __log1p that handles setting errno. + Copyright (C) 2015-2017 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> + +FLOAT +M_DECL_FUNC (__w_log1p) (FLOAT x) +{ + if (__glibc_unlikely (islessequal (x, M_LIT (-1.0)))) + { + if (x == -1) + __set_errno (ERANGE); + else + __set_errno (EDOM); + } + + return M_SUF (__log1p) (x); +} +declare_mgen_alias (__w_log1p, log1p) |