97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/* -*- c++ -*- */
|
|
/*
|
|
* Copyright (c) 2019 Michael Dickens <michaelld@macports.org>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _MACPORTS_CMATH_
|
|
#define _MACPORTS_CMATH_
|
|
|
|
/* include MP support header to see if c++11 cmath support is needed */
|
|
#include "MacportsLegacySupport.h"
|
|
|
|
#if __MP_LEGACY_SUPPORT_CXX11_CMATH__
|
|
|
|
/*
|
|
* NOTE: This has to come -before- the include_next, so that the
|
|
* setting is valid for any subsequently included header.
|
|
*/
|
|
|
|
#undef L_GLIBCXX_USE_C99_MATH_TR1
|
|
#ifndef _GLIBCXX_USE_C99_MATH_TR1
|
|
#define L_GLIBCXX_USE_C99_MATH_TR1 1
|
|
|
|
/*
|
|
* this macro enables c++11 math support in g++. It just needs to be
|
|
* defined; not to any particular value; use 1 just because.
|
|
*/
|
|
#define _GLIBCXX_USE_C99_MATH_TR1 1
|
|
#endif
|
|
|
|
/*
|
|
* Include our local math.h. NOTE: This has to come -before- the
|
|
* include_next for <cmath>, so that the top-level functions are
|
|
* all declared before they are referenced.
|
|
*/
|
|
#include <math.h>
|
|
#endif /* __MP_LEGACY_SUPPORT_CXX11_CMATH__ */
|
|
|
|
/*
|
|
* Include the next cmath, which might be from the primary system or
|
|
* it might be within GCC's c++ headers; either is OK here.
|
|
*/
|
|
#include_next <cmath>
|
|
|
|
#if __MP_LEGACY_SUPPORT_CXX11_CMATH__
|
|
|
|
#ifdef L_GLIBCXX_USE_C99_MATH_TR1
|
|
#undef _GLIBCXX_USE_C99_MATH_TR1
|
|
#undef L_GLIBCXX_USE_C99_MATH_TR1
|
|
#endif
|
|
|
|
/*
|
|
* this is the same condition that defines the function prototypes in
|
|
* the system <math.h>.
|
|
*/
|
|
#if ( defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L ) || ! defined( __STRICT_ANSI__ ) || ! defined( __GNUC__ )
|
|
#else
|
|
#ifdef _GLIBCXX_NO_C99_ROUNDING_FUNCS
|
|
/* have to define these ourselves because GCC doesn't properly */
|
|
#if __cplusplus >= 201103L
|
|
|
|
#undef llrint
|
|
#undef llrintf
|
|
#undef llrintl
|
|
#undef llround
|
|
#undef llroundf
|
|
#undef llroundl
|
|
|
|
namespace std _GLIBCXX_VISIBILITY(default)
|
|
{
|
|
_GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|
using ::llrint;
|
|
using ::llrintf;
|
|
using ::llrintl;
|
|
using ::llround;
|
|
using ::llroundf;
|
|
using ::llroundl;
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
|
} // namespace
|
|
|
|
#endif /* __cplusplus >= 201103L */
|
|
#endif /* _GLIBCXX_NO_C99_ROUNDING_FUNCS */
|
|
#endif /* various */
|
|
#endif /* __MP_LEGACY_SUPPORT_CXX11_CMATH__ */
|
|
#endif /* _MACPORTS_CMATH_ */
|