diff options
Diffstat (limited to 'gnulib/import/math.in.h')
| -rw-r--r-- | gnulib/import/math.in.h | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/gnulib/import/math.in.h b/gnulib/import/math.in.h index 6208a015ead..a74a95da3e5 100644 --- a/gnulib/import/math.in.h +++ b/gnulib/import/math.in.h @@ -1,18 +1,18 @@ /* A GNU-like <math.h>. - Copyright (C) 2002-2003, 2007-2021 Free Software Foundation, Inc. + Copyright (C) 2002-2003, 2007-2022 Free Software Foundation, Inc. - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. + This file 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. - This program is distributed in the hope that it will be useful, + This file 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 General Public License for more details. + GNU Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ #ifndef _@GUARD_PREFIX@_MATH_H @@ -56,6 +56,16 @@ _GL_INLINE_HEADER_BEGIN # define _GL_MATH_INLINE _GL_INLINE #endif +/* The __attribute__ feature is available in gcc versions 2.5 and later. + The attribute __const__ was added in gcc 2.95. */ +#ifndef _GL_ATTRIBUTE_CONST +# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) || defined __clang__ +# define _GL_ATTRIBUTE_CONST __attribute__ ((__const__)) +# else +# define _GL_ATTRIBUTE_CONST /* empty */ +# endif +#endif + /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ /* The definition of _GL_ARG_NONNULL is copied here. */ @@ -1322,6 +1332,7 @@ _GL_FUNCDECL_RPL (ilogbl, int, (long double x)); _GL_CXXALIAS_RPL (ilogbl, int, (long double x)); # else # if !@HAVE_ILOGBL@ +# undef ilogbl _GL_FUNCDECL_SYS (ilogbl, int, (long double x)); # endif _GL_CXXALIAS_SYS (ilogbl, int, (long double x)); @@ -2102,7 +2113,7 @@ _GL_FUNCDECL_RPL (sinf, float, (float x)); _GL_CXXALIAS_RPL (sinf, float, (float x)); # else # if !@HAVE_SINF@ - # undef sinf +# undef sinf _GL_FUNCDECL_SYS (sinf, float, (float x)); # endif _GL_CXXALIAS_SYS (sinf, float, (float x)); @@ -2422,6 +2433,7 @@ _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isfinite) functions. */ _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isfinite, rpl_isfinite, bool) # define isfinite rpl_isfinite +# define GNULIB_NAMESPACE_LACKS_ISFINITE 1 # else _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isfinite, isfinite, bool) # endif @@ -2456,6 +2468,7 @@ _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isinf) functions. */ _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isinf, rpl_isinf, bool) # define isinf rpl_isinf +# define GNULIB_NAMESPACE_LACKS_ISINF 1 # else _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isinf, isinf, bool) # endif @@ -2578,11 +2591,12 @@ _GL_EXTERN_C int rpl_isnanl (long double x) _GL_ATTRIBUTE_CONST; # if defined isnan || defined GNULIB_NAMESPACE _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isnan) # undef isnan -# if __GNUC__ >= 6 || (defined __clang__ && !((defined __APPLE__ && defined __MACH__) || (defined __FreeBSD__ && __clang_major__ < 7) || defined __OpenBSD__ || (defined _WIN32 && !defined __CYGWIN__))) +# if __GNUC__ >= 6 || (defined __clang__ && !((defined __APPLE__ && defined __MACH__ && __clang_major__ < 12) || (defined __FreeBSD__ && __clang_major__ < 7) || defined __OpenBSD__ || (defined _WIN32 && !defined __CYGWIN__))) /* This platform's <cmath> possibly defines isnan through a set of inline functions. */ _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isnan, rpl_isnan, bool) # define isnan rpl_isnan +# define GNULIB_NAMESPACE_LACKS_ISNAN 1 # else _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isnan, isnan, bool) # endif @@ -2666,6 +2680,7 @@ _GL_MATH_CXX_REAL_FLOATING_DECL_1 (signbit) functions. */ _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit, rpl_signbit, bool) # define signbit rpl_signbit +# define GNULIB_NAMESPACE_LACKS_SIGNBIT 1 # else _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit, signbit, bool) # endif |