diff options
Diffstat (limited to 'lib/math.in.h')
-rw-r--r-- | lib/math.in.h | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/lib/math.in.h b/lib/math.in.h index b3803f8d..bc2e0bd6 100644 --- a/lib/math.in.h +++ b/lib/math.in.h @@ -1,18 +1,27 @@ /* A GNU-like <math.h>. - Copyright (C) 2002-2003, 2007-2015 Free Software Foundation, Inc. + Copyright (C) 2002-2003, 2007-2016 Free Software Foundation, Inc. - This program 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 3 of the License, or - (at your option) any later version. + This program is free software: you can redistribute it and/or + modify it under the terms of either: + * the GNU Lesser General Public License as published by the Free + Software Foundation; either version 3 of the License, or (at your + option) any later version. + + or + + * the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your + option) any later version. + + or both in parallel, as here. This program 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. + GNU General Public License for more details. - You should have received a copy of the GNU Lesser General Public License + You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _@GUARD_PREFIX@_MATH_H @@ -63,6 +72,7 @@ _gl_cxx_ ## func ## l (long double l) \ return func (l); \ } # define _GL_MATH_CXX_REAL_FLOATING_DECL_2(func) \ +_GL_BEGIN_NAMESPACE \ inline int \ func (float f) \ { \ @@ -77,7 +87,8 @@ inline int \ func (long double l) \ { \ return _gl_cxx_ ## func ## l (l); \ -} +} \ +_GL_END_NAMESPACE #endif /* Helper macros to define a portability warning for the @@ -406,6 +417,7 @@ _GL_WARN_ON_USE (ceilf, "ceilf is unportable - " #if @GNULIB_CEIL@ # if @REPLACE_CEIL@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef ceil # define ceil rpl_ceil # endif _GL_FUNCDECL_RPL (ceil, double, (double x)); @@ -753,6 +765,7 @@ _GL_WARN_ON_USE (floorf, "floorf is unportable - " #if @GNULIB_FLOOR@ # if @REPLACE_FLOOR@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef floor # define floor rpl_floor # endif _GL_FUNCDECL_RPL (floor, double, (double x)); @@ -973,6 +986,7 @@ _GL_WARN_ON_USE (frexpf, "frexpf is unportable - " #if @GNULIB_FREXP@ # if @REPLACE_FREXP@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef frexp # define frexp rpl_frexp # endif _GL_FUNCDECL_RPL (frexp, double, (double x, int *expptr) _GL_ARG_NONNULL ((2))); @@ -980,7 +994,7 @@ _GL_CXXALIAS_RPL (frexp, double, (double x, int *expptr)); # else _GL_CXXALIAS_SYS (frexp, double, (double x, int *expptr)); # endif -_GL_CXXALIASWARN (frexp); +_GL_CXXALIASWARN1 (frexp, double, (double x, int *expptr)); #elif defined GNULIB_POSIXCHECK # undef frexp /* Assume frexp is always declared. */ @@ -1958,6 +1972,7 @@ _GL_WARN_ON_USE (tanhf, "tanhf is unportable - " #if @GNULIB_TRUNCF@ # if @REPLACE_TRUNCF@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef truncf # define truncf rpl_truncf # endif _GL_FUNCDECL_RPL (truncf, float, (float x)); @@ -1980,6 +1995,7 @@ _GL_WARN_ON_USE (truncf, "truncf is unportable - " #if @GNULIB_TRUNC@ # if @REPLACE_TRUNC@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef trunc # define trunc rpl_trunc # endif _GL_FUNCDECL_RPL (trunc, double, (double x)); @@ -2039,7 +2055,7 @@ _GL_EXTERN_C int gl_isfinitel (long double x); gl_isfinitef (x)) # endif # ifdef __cplusplus -# ifdef isfinite +# if defined isfinite || defined GNULIB_NAMESPACE _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isfinite) # undef isfinite _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isfinite) @@ -2066,7 +2082,7 @@ _GL_EXTERN_C int gl_isinfl (long double x); gl_isinff (x)) # endif # ifdef __cplusplus -# ifdef isinf +# if defined isinf || defined GNULIB_NAMESPACE _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isinf) # undef isinf _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isinf) @@ -2184,7 +2200,7 @@ _GL_EXTERN_C int rpl_isnanl (long double x) _GL_ATTRIBUTE_CONST; __builtin_isnanf ((float)(x))) # endif # ifdef __cplusplus -# ifdef isnan +# if defined isnan || defined GNULIB_NAMESPACE _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isnan) # undef isnan _GL_MATH_CXX_REAL_FLOATING_DECL_2 (isnan) @@ -2205,7 +2221,8 @@ _GL_WARN_REAL_FLOATING_DECL (isnan); #if @GNULIB_SIGNBIT@ -# if @REPLACE_SIGNBIT_USING_GCC@ +# if (@REPLACE_SIGNBIT_USING_GCC@ \ + && (!defined __cplusplus || __cplusplus < 201103)) # undef signbit /* GCC 4.0 and newer provides three built-ins for signbit. */ # define signbit(x) \ @@ -2258,7 +2275,7 @@ _GL_EXTERN_C int gl_signbitl (long double arg); gl_signbitf (x)) # endif # ifdef __cplusplus -# ifdef signbit +# if defined signbit || defined GNULIB_NAMESPACE _GL_MATH_CXX_REAL_FLOATING_DECL_1 (signbit) # undef signbit _GL_MATH_CXX_REAL_FLOATING_DECL_2 (signbit) |