Regenerate sysdeps/mach/hurd/bits/errno.h
[glibc.git] / math / w_log10f_compat.c
blobfd24c37f04ccc0a35097ae06ef92b46eb60d7ea8
1 /* Copyright (C) 2011-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
18 #include <fenv.h>
19 #include <math.h>
20 #include <math_private.h>
21 #include <math-svid-compat.h>
22 #include <libm-alias-float.h>
25 #if LIBM_SVID_COMPAT
26 /* wrapper log10f(x) */
27 float
28 __log10f (float x)
30 if (__builtin_expect (islessequal (x, 0.0f), 0) && _LIB_VERSION != _IEEE_)
32 if (x == 0.0f)
34 feraiseexcept (FE_DIVBYZERO);
35 return __kernel_standard_f (x, x, 118); /* log10(0) */
37 else
39 feraiseexcept (FE_INVALID);
40 return __kernel_standard_f (x, x, 119); /* log10(x<0) */
44 return __ieee754_log10f (x);
46 libm_alias_float (__log10, log10)
47 #endif