+++ /dev/null
-// -*- C++ -*- C forwarding header.
-
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
-// Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library. This library 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 2, or (at your option)
-// any later version.
-
-// This 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 General Public License for more details.
-
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
-
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
-
-//
-// ISO C++ 14882: 26.5 C library
-//
-
-/** @file cmath
- * This is a Standard C++ Library file. You should @c #include this file
- * in your programs, rather than any of the "*.h" implementation files.
- *
- * This is the C++ version of the Standard C Library header @c math.h,
- * and its contents are (mostly) the same as that header, but are all
- * contained in the namespace @c std.
- */
-
-#ifndef _CPP_CMATH
-#define _CPP_CMATH 1
-
-#pragma GCC system_header
-
-#include <bits/c++config.h>
-
-#include <math.h>
-
-// Get rid of those macros defined in <math.h> in lieu of real functions.
-#undef abs
-#undef div
-#undef acos
-#undef asin
-#undef atan
-#undef atan2
-#undef ceil
-#undef cos
-#undef cosh
-#undef exp
-#undef fabs
-#undef floor
-#undef fmod
-#undef frexp
-#undef ldexp
-#undef log
-#undef log10
-#undef modf
-#undef pow
-#undef sin
-#undef sinh
-#undef sqrt
-#undef tan
-#undef tanh
-
-namespace std
-{
- // Forward declaration of a helper function. This really should be
- // an `exported' forward declaration.
- template<typename _Tp> _Tp __cmath_power(_Tp, unsigned int);
-
- inline double
- abs(double __x)
- { return __builtin_fabs(__x); }
-
- inline float
- abs(float __x)
- { return __builtin_fabsf(__x); }
-
- inline long double
- abs(long double __x)
- { return __builtin_fabsl(__x); }
-
-#if _GLIBCPP_HAVE_ACOSF
- inline float
- acos(float __x) { return ::acosf(__x); }
-#else
- inline float
- acos(float __x) { return ::acos(static_cast<double>(__x)); }
-#endif
-
- using ::acos;
-
-#if _GLIBCPP_HAVE_ACOSL
- inline long double
- acos(long double __x) { return ::acosl(__x); }
-#else
- inline long double
- acos(long double __x) { return ::acos(static_cast<double>(__x)); }
-#endif
-
- using ::asin;
-
-#if _GLIBCPP_HAVE_ASINF
- inline float
- asin(float __x) { return ::asinf(__x); }
-#else
- inline float
- asin(float __x) { return ::asin(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_ASINL
- inline long double
- asin(long double __x) { return ::asinl(__x); }
-#else
- inline long double
- asin(long double __x) { return ::asin(static_cast<double>(__x)); }
-#endif
-
- using ::atan;
-
-#if _GLIBCPP_HAVE_ATANF
- inline float
- atan(float __x) { return ::atanf(__x); }
-#else
- inline float
- atan(float __x) { return ::atan(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_ATANL
- inline long double
- atan(long double __x) { return ::atanl(__x); }
-#else
- inline long double
- atan(long double __x) { return ::atan(static_cast<double>(__x)); }
-#endif
-
- using ::atan2;
-
-#if _GLIBCPP_HAVE_ATAN2F
- inline float
- atan2(float __y, float __x) { return ::atan2f(__y, __x); }
-#else
- inline float
- atan2(float __y, float __x)
- { return ::atan2(static_cast<double>(__y), static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_ATAN2L
- inline long double
- atan2(long double __y, long double __x) { return ::atan2l(__y, __x); }
-#else
- inline long double
- atan2(long double __y, long double __x)
- { return ::atan2(static_cast<double>(__y), static_cast<double>(__x)); }
-#endif
-
- using ::ceil;
-
-#if _GLIBCPP_HAVE_CEILF
- inline float
- ceil(float __x) { return ::ceilf(__x); }
-#else
- inline float
- ceil(float __x) { return ::ceil(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_CEILL
- inline long double
- ceil(long double __x) { return ::ceill(__x); }
-#else
- inline long double
- ceil(long double __x) { return ::ceil(static_cast<double>(__x)); }
-#endif
-
- using ::cos;
-
- inline float
- cos(float __x)
- { return __builtin_cosf(__x); }
-
- inline long double
- cos(long double __x)
- { return __builtin_cosl(__x); }
-
- using ::cosh;
-
-#if _GLIBCPP_HAVE_COSHF
- inline float
- cosh(float __x) { return ::coshf(__x); }
-#else
- inline float
- cosh(float __x) { return ::cosh(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_COSHL
- inline long double
- cosh(long double __x) { return ::coshl(__x); }
-#else
- inline long double
- cosh(long double __x) { return ::cosh(static_cast<double>(__x)); }
-#endif
-
- using ::exp;
-
-#if _GLIBCPP_HAVE_EXPF
- inline float
- exp(float __x) { return ::expf(__x); }
-#else
- inline float
- exp(float __x) { return ::exp(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_EXPL
- inline long double
- exp(long double __x) { return ::expl(__x); }
-#else
- inline long double
- exp(long double __x) { return ::exp(static_cast<double>(__x)); }
-#endif
-
- using ::fabs;
-
- inline float
- fabs(float __x)
- { return __builtin_fabsf(__x); }
-
- inline long double
- fabs(long double __x)
- { return __builtin_fabsl(__x); }
-
- using ::floor;
-
-#if _GLIBCPP_HAVE_FLOORF
- inline float
- floor(float __x) { return ::floorf(__x); }
-#else
- inline float
- floor(float __x) { return ::floor(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_FLOORL
- inline long double
- floor(long double __x) { return ::floorl(__x); }
-#else
- inline long double
- floor(long double __x) { return ::floor(static_cast<double>(__x)); }
-#endif
-
- using ::fmod;
-
-#if _GLIBCPP_HAVE_FMODF
- inline float
- fmod(float __x, float __y) { return ::fmodf(__x, __y); }
-#else
- inline float
- fmod(float __x, float __y)
- { return ::fmod(static_cast<double>(__x), static_cast<double>(__y)); }
-#endif
-
-#if _GLIBCPP_HAVE_FMODL
- inline long double
- fmod(long double __x, long double __y) { return ::fmodl(__x, __y); }
-#else
- inline long double
- fmod(long double __x, long double __y)
- { return ::fmod(static_cast<double>(__x), static_cast<double>(__y)); }
-#endif
-
- using ::frexp;
-
-#if _GLIBCPP_HAVE_FREXPF
- inline float
- frexp(float __x, int* __exp) { return ::frexpf(__x, __exp); }
-#else
- inline float
- frexp(float __x, int* __exp) { return ::frexp(__x, __exp); }
-#endif
-
-#if _GLIBCPP_HAVE_FREXPL
- inline long double
- frexp(long double __x, int* __exp) { return ::frexpl(__x, __exp); }
-#else
- inline long double
- frexp(long double __x, int* __exp)
- { return ::frexp(static_cast<double>(__x), __exp); }
-#endif
-
- using ::ldexp;
-
-#if _GLIBCPP_HAVE_LDEXPF
- inline float
- ldexp(float __x, int __exp) { return ::ldexpf(__x, __exp); }
-#else
- inline float
- ldexp(float __x, int __exp)
- { return ::ldexp(static_cast<double>(__x), __exp); }
-#endif
-
-#if _GLIBCPP_HAVE_LDEXPL
- inline long double
- ldexp(long double __x, int __exp) { return ::ldexpl(__x, __exp); }
-#else
- inline long double
- ldexp(long double __x, int __exp)
- { return ::ldexp(static_cast<double>(__x), __exp); }
-#endif
-
- using ::log;
-
-#if _GLIBCPP_HAVE_LOGF
- inline float
- log(float __x) { return ::logf(__x); }
-#else
- inline float log(float __x)
- { return ::log(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_LOGL
- inline long double
- log(long double __x) { return ::logl(__x); }
-#else
- inline long double
- log(long double __x) { return ::log(static_cast<double>(__x)); }
-#endif
-
- using ::log10;
-
-#if _GLIBCPP_HAVE_LOG10F
- inline float
- log10(float __x) { return ::log10f(__x); }
-#else
- inline float
- log10(float __x) { return ::log10(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_LOG10L
- inline long double
- log10(long double __x) { return ::log10l(__x); }
-#else
- inline long double
- log10(long double __x) { return ::log10(static_cast<double>(__x)); }
-#endif
-
- using ::modf;
-
-#if _GLIBCPP_HAVE_MODFF
- inline float
- modf(float __x, float* __iptr) { return ::modff(__x, __iptr); }
-#else
- inline float
- modf(float __x, float* __iptr)
- {
- double __tmp;
- double __res = ::modf(static_cast<double>(__x), &__tmp);
- *__iptr = static_cast<float>(__tmp);
- return __res;
- }
-#endif
-
-#if _GLIBCPP_HAVE_MODFL
- inline long double
- modf(long double __x, long double* __iptr) { return ::modfl(__x, __iptr); }
-#else
- inline long double
- modf(long double __x, long double* __iptr)
- {
- double __tmp;
- double __res = ::modf(static_cast<double>(__x), &__tmp);
- * __iptr = static_cast<long double>(__tmp);
- return __res;
- }
-#endif
-
- template<typename _Tp>
- inline _Tp
- __pow_helper(_Tp __x, int __n)
- {
- return __n < 0
- ? _Tp(1)/__cmath_power(__x, -__n)
- : __cmath_power(__x, __n);
- }
-
- using ::pow;
-
-#if _GLIBCPP_HAVE_POWF
- inline float
- pow(float __x, float __y) { return ::powf(__x, __y); }
-#else
- inline float
- pow(float __x, float __y)
- { return ::pow(static_cast<double>(__x), static_cast<double>(__y)); }
-#endif
-
-#if _GLIBCPP_HAVE_POWL
- inline long double
- pow(long double __x, long double __y) { return ::powl(__x, __y); }
-#else
- inline long double
- pow(long double __x, long double __y)
- { return ::pow(static_cast<double>(__x), static_cast<double>(__y)); }
-#endif
-
- inline double
- pow(double __x, int __i)
- { return __pow_helper(__x, __i); }
-
- inline float
- pow(float __x, int __n)
- { return __pow_helper(__x, __n); }
-
- inline long double
- pow(long double __x, int __n)
- { return __pow_helper(__x, __n); }
-
- using ::sin;
-
- inline float
- sin(float __x)
- { return __builtin_sinf(__x); }
-
- inline long double
- sin(long double __x)
- { return __builtin_sinl(__x); }
-
- using ::sinh;
-
-#if _GLIBCPP_HAVE_SINHF
- inline float
- sinh(float __x) { return ::sinhf(__x); }
-#else
- inline float
- sinh(float __x) { return ::sinh(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_SINHL
- inline long double
- sinh(long double __x) { return ::sinhl(__x); }
-#else
- inline long double
- sinh(long double __x) { return ::sinh(static_cast<double>(__x)); }
-#endif
-
- using ::sqrt;
-
- inline float
- sqrt(float __x)
- { return __builtin_sqrtf(__x); }
-
- inline long double
- sqrt(long double __x)
- { return __builtin_sqrtl(__x); }
-
- using ::tan;
-
-#if _GLIBCPP_HAVE_TANF
- inline float
- tan(float __x) { return ::tanf(__x); }
-#else
- inline float
- tan(float __x) { return ::tan(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_TANL
- inline long double
- tan(long double __x) { return ::tanl(__x); }
-#else
- inline long double
- tan(long double __x) { return ::tan(static_cast<double>(__x)); }
-#endif
-
- using ::tanh;
-
-#if _GLIBCPP_HAVE_TANHF
- inline float
- tanh(float __x) { return ::tanhf(__x); }
-#else
- inline float
- tanh(float __x) { return ::tanh(static_cast<double>(__x)); }
-#endif
-
-#if _GLIBCPP_HAVE_TANHL
- inline long double
- tanh(long double __x) { return ::tanhl(__x); }
-#else
- inline long double
- tanh(long double __x) { return ::tanh(static_cast<double>(__x)); }
-#endif
-}
-
-
-#if _GLIBCPP_USE_C99
-// These are possible macros imported from C99-land. For strict
-// conformance, remove possible C99-injected names from the global
-// namespace, and sequester them in the __gnu_cxx extension namespace.
-namespace __gnu_cxx
-{
- template<typename _Tp>
- int
- __capture_fpclassify(_Tp __f) { return fpclassify(__f); }
-
- template<typename _Tp>
- int
- __capture_isfinite(_Tp __f) { return isfinite(__f); }
-
- template<typename _Tp>
- int
- __capture_isinf(_Tp __f) { return isinf(__f); }
-
- template<typename _Tp>
- int
- __capture_isnan(_Tp __f) { return isnan(__f); }
-
- template<typename _Tp>
- int
- __capture_isnormal(_Tp __f) { return isnormal(__f); }
-
- template<typename _Tp>
- int
- __capture_signbit(_Tp __f) { return signbit(__f); }
-
- template<typename _Tp>
- int
- __capture_isgreater(_Tp __f1, _Tp __f2)
- { return isgreater(__f1, __f2); }
-
- template<typename _Tp>
- int
- __capture_isgreaterequal(_Tp __f1, _Tp __f2)
- { return isgreaterequal(__f1, __f2); }
-
- template<typename _Tp>
- int
- __capture_isless(_Tp __f1, _Tp __f2) { return isless(__f1, __f2); }
-
- template<typename _Tp>
- int
- __capture_islessequal(_Tp __f1, _Tp __f2)
- { return islessequal(__f1, __f2); }
-
- template<typename _Tp>
- int
- __capture_islessgreater(_Tp __f1, _Tp __f2)
- { return islessgreater(__f1, __f2); }
-
- template<typename _Tp>
- int
- __capture_isunordered(_Tp __f1, _Tp __f2)
- { return isunordered(__f1, __f2); }
-}
-#endif
-
-#undef fpclassify
-#undef isfinite
-#undef isinf
-#undef isnan
-#undef isnormal
-#undef signbit
-#undef isgreater
-#undef isgreaterequal
-#undef isless
-#undef islessequal
-#undef islessgreater
-#undef isunordered
-
-#if _GLIBCPP_USE_C99
-namespace __gnu_cxx
-{
- template<typename _Tp>
- int
- fpclassify(_Tp __f) { return __capture_fpclassify(__f); }
-
- template<typename _Tp>
- int
- isfinite(_Tp __f) { return __capture_isfinite(__f); }
-
- template<typename _Tp>
- int
- isinf(_Tp __f) { return __capture_isinf(__f); }
-
- template<typename _Tp>
- int
- isnan(_Tp __f) { return __capture_isnan(__f); }
-
- template<typename _Tp>
- int
- isnormal(_Tp __f) { return __capture_isnormal(__f); }
-
- template<typename _Tp>
- int
- signbit(_Tp __f) { return __capture_signbit(__f); }
-
- template<typename _Tp>
- int
- isgreater(_Tp __f1, _Tp __f2) { return __capture_isgreater(__f1, __f2); }
-
- template<typename _Tp>
- int
- isgreaterequal(_Tp __f1, _Tp __f2)
- { return __capture_isgreaterequal(__f1, __f2); }
-
- template<typename _Tp>
- int
- isless(_Tp __f1, _Tp __f2) { return __capture_isless(__f1, __f2); }
-
- template<typename _Tp>
- int
- islessequal(_Tp __f1, _Tp __f2)
- { return __capture_islessequal(__f1, __f2); }
-
- template<typename _Tp>
- int
- islessgreater(_Tp __f1, _Tp __f2)
- { return __capture_islessgreater(__f1, __f2); }
-
- template<typename _Tp>
- int
- isunordered(_Tp __f1, _Tp __f2)
- { return __capture_isunordered(__f1, __f2); }
-}
-
-namespace std
-{
- using __gnu_cxx::fpclassify;
- using __gnu_cxx::isfinite;
- using __gnu_cxx::isinf;
- using __gnu_cxx::isnan;
- using __gnu_cxx::isnormal;
- using __gnu_cxx::signbit;
- using __gnu_cxx::isgreater;
- using __gnu_cxx::isgreaterequal;
- using __gnu_cxx::isless;
- using __gnu_cxx::islessequal;
- using __gnu_cxx::islessgreater;
- using __gnu_cxx::isunordered;
-}
-#endif
-
-#ifdef _GLIBCPP_NO_TEMPLATE_EXPORT
-# define export
-# include <bits/cmath.tcc>
-#endif
-
-#endif
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