From f67d78192c1be9d56d3a6f3fda4e0a70ae48c44d Mon Sep 17 00:00:00 2001 From: "Gabriel F. T. Gomes" Date: Tue, 13 Dec 2016 22:42:51 -0200 Subject: Move wrappers to libm-compat-calls-auto This commit moves one step towards the deprecation of wrappers that use _LIB_VERSION / matherr / __kernel_standard functionality, by adding the suffix '_compat' to their filenames and adjusting Makefiles and #includes accordingly. New template wrappers that do not use such functionality will be added by future patches and will be first used by the float128 wrappers. --- math/w_log10_compat.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 math/w_log10_compat.c (limited to 'math/w_log10_compat.c') diff --git a/math/w_log10_compat.c b/math/w_log10_compat.c new file mode 100644 index 0000000000..9704ba9cdc --- /dev/null +++ b/math/w_log10_compat.c @@ -0,0 +1,48 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 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 + . */ + +#include +#include +#include + + +/* wrapper log10(x) */ +double +__log10 (double x) +{ + if (__builtin_expect (islessequal (x, 0.0), 0) && _LIB_VERSION != _IEEE_) + { + if (x == 0.0) + { + __feraiseexcept (FE_DIVBYZERO); + return __kernel_standard (x, x, 18); /* log10(0) */ + } + else + { + __feraiseexcept (FE_INVALID); + return __kernel_standard (x, x, 19); /* log10(x<0) */ + } + } + + return __ieee754_log10 (x); +} +weak_alias (__log10, log10) +#ifdef NO_LONG_DOUBLE +strong_alias (__log10, __log10l) +weak_alias (__log10, log10l) +#endif -- cgit v1.2.3