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// -*- C++ -*- C forwarding header.
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// 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 (except for names which are defined
* as macros in C).
*/
#ifndef _GLIBCXX_CMATH
#define _GLIBCXX_CMATH 1
#pragma GCC system_header
#include <bits/c++config.h>
#include <bits/cpp_type_traits.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
_GLIBCXX_BEGIN_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); }
using ::acos;
inline float
acos(float __x)
{ return __builtin_acosf(__x); }
inline long double
acos(long double __x)
{ return __builtin_acosl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
acos(_Tp __x)
{
return __builtin_acos(__x);
}
using ::asin;
inline float
asin(float __x)
{ return __builtin_asinf(__x); }
inline long double
asin(long double __x)
{ return __builtin_asinl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
asin(_Tp __x)
{ return __builtin_asin(__x); }
using ::atan;
inline float
atan(float __x)
{ return __builtin_atanf(__x); }
inline long double
atan(long double __x)
{ return __builtin_atanl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
atan(_Tp __x)
{ return __builtin_atan(__x); }
using ::atan2;
inline float
atan2(float __y, float __x)
{ return __builtin_atan2f(__y, __x); }
inline long double
atan2(long double __y, long double __x)
{ return __builtin_atan2l(__y, __x); }
template<typename _Tp, typename _Up>
inline typename __enable_if<double, __is_integer<_Tp>::__value
&& __is_integer<_Up>::__value>::__type
atan2(_Tp __y, _Up __x)
{ return __builtin_atan2(__y, __x); }
using ::ceil;
inline float
ceil(float __x)
{ return __builtin_ceilf(__x); }
inline long double
ceil(long double __x)
{ return __builtin_ceill(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
ceil(_Tp __x)
{ return __builtin_ceil(__x); }
using ::cos;
inline float
cos(float __x)
{ return __builtin_cosf(__x); }
inline long double
cos(long double __x)
{ return __builtin_cosl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
cos(_Tp __x)
{ return __builtin_cos(__x); }
using ::cosh;
inline float
cosh(float __x)
{ return __builtin_coshf(__x); }
inline long double
cosh(long double __x)
{ return __builtin_coshl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
cosh(_Tp __x)
{ return __builtin_cosh(__x); }
using ::exp;
inline float
exp(float __x)
{ return __builtin_expf(__x); }
inline long double
exp(long double __x)
{ return __builtin_expl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
exp(_Tp __x)
{ return __builtin_exp(__x); }
using ::fabs;
inline float
fabs(float __x)
{ return __builtin_fabsf(__x); }
inline long double
fabs(long double __x)
{ return __builtin_fabsl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
fabs(_Tp __x)
{ return __builtin_fabs(__x); }
using ::floor;
inline float
floor(float __x)
{ return __builtin_floorf(__x); }
inline long double
floor(long double __x)
{ return __builtin_floorl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
floor(_Tp __x)
{ return __builtin_floor(__x); }
using ::fmod;
inline float
fmod(float __x, float __y)
{ return __builtin_fmodf(__x, __y); }
inline long double
fmod(long double __x, long double __y)
{ return __builtin_fmodl(__x, __y); }
using ::frexp;
inline float
frexp(float __x, int* __exp)
{ return __builtin_frexpf(__x, __exp); }
inline long double
frexp(long double __x, int* __exp)
{ return __builtin_frexpl(__x, __exp); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
frexp(_Tp __x, int* __exp)
{ return __builtin_frexp(__x, __exp); }
using ::ldexp;
inline float
ldexp(float __x, int __exp)
{ return __builtin_ldexpf(__x, __exp); }
inline long double
ldexp(long double __x, int __exp)
{ return __builtin_ldexpl(__x, __exp); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
ldexp(_Tp __x, int __exp)
{ return __builtin_ldexp(__x, __exp); }
using ::log;
inline float
log(float __x)
{ return __builtin_logf(__x); }
inline long double
log(long double __x)
{ return __builtin_logl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
log(_Tp __x)
{ return __builtin_log(__x); }
using ::log10;
inline float
log10(float __x)
{ return __builtin_log10f(__x); }
inline long double
log10(long double __x)
{ return __builtin_log10l(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
log10(_Tp __x)
{ return __builtin_log10(__x); }
using ::modf;
inline float
modf(float __x, float* __iptr)
{ return __builtin_modff(__x, __iptr); }
inline long double
modf(long double __x, long double* __iptr)
{ return __builtin_modfl(__x, __iptr); }
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;
inline float
pow(float __x, float __y)
{ return __builtin_powf(__x, __y); }
inline long double
pow(long double __x, long double __y)
{ return __builtin_powl(__x, __y); }
inline double
pow(double __x, int __i)
{ return __builtin_powi(__x, __i); }
inline float
pow(float __x, int __n)
{ return __builtin_powif(__x, __n); }
inline long double
pow(long double __x, int __n)
{ return __builtin_powil(__x, __n); }
using ::sin;
inline float
sin(float __x)
{ return __builtin_sinf(__x); }
inline long double
sin(long double __x)
{ return __builtin_sinl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
sin(_Tp __x)
{ return __builtin_sin(__x); }
using ::sinh;
inline float
sinh(float __x)
{ return __builtin_sinhf(__x); }
inline long double
sinh(long double __x)
{ return __builtin_sinhl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
sinh(_Tp __x)
{ return __builtin_sinh(__x); }
using ::sqrt;
inline float
sqrt(float __x)
{ return __builtin_sqrtf(__x); }
inline long double
sqrt(long double __x)
{ return __builtin_sqrtl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
sqrt(_Tp __x)
{ return __builtin_sqrt(__x); }
using ::tan;
inline float
tan(float __x)
{ return __builtin_tanf(__x); }
inline long double
tan(long double __x)
{ return __builtin_tanl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
tan(_Tp __x)
{ return __builtin_tan(__x); }
using ::tanh;
inline float
tanh(float __x)
{ return __builtin_tanhf(__x); }
inline long double
tanh(long double __x)
{ return __builtin_tanhl(__x); }
template<typename _Tp>
inline typename __enable_if<double, __is_integer<_Tp>::__value>::__type
tanh(_Tp __x)
{ return __builtin_tanh(__x); }
_GLIBCXX_END_NAMESPACE
#if _GLIBCXX_USE_C99_MATH
#if !_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC
// 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.
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
template<typename _Tp>
inline int
__capture_fpclassify(_Tp __f) { return fpclassify(__f); }
template<typename _Tp>
inline int
__capture_isfinite(_Tp __f) { return isfinite(__f); }
template<typename _Tp>
inline int
__capture_isinf(_Tp __f) { return isinf(__f); }
template<typename _Tp>
inline int
__capture_isnan(_Tp __f) { return isnan(__f); }
template<typename _Tp>
inline int
__capture_isnormal(_Tp __f) { return isnormal(__f); }
template<typename _Tp>
inline int
__capture_signbit(_Tp __f) { return signbit(__f); }
template<typename _Tp>
inline int
__capture_isgreater(_Tp __f1, _Tp __f2)
{ return isgreater(__f1, __f2); }
template<typename _Tp>
inline int
__capture_isgreaterequal(_Tp __f1, _Tp __f2)
{ return isgreaterequal(__f1, __f2); }
template<typename _Tp>
inline int
__capture_isless(_Tp __f1, _Tp __f2) { return isless(__f1, __f2); }
template<typename _Tp>
inline int
__capture_islessequal(_Tp __f1, _Tp __f2)
{ return islessequal(__f1, __f2); }
template<typename _Tp>
inline int
__capture_islessgreater(_Tp __f1, _Tp __f2)
{ return islessgreater(__f1, __f2); }
template<typename _Tp>
inline int
__capture_isunordered(_Tp __f1, _Tp __f2)
{ return isunordered(__f1, __f2); }
_GLIBCXX_END_NAMESPACE
// Only undefine the C99 FP macros, if actually captured for namespace movement
#undef fpclassify
#undef isfinite
#undef isinf
#undef isnan
#undef isnormal
#undef signbit
#undef isgreater
#undef isgreaterequal
#undef isless
#undef islessequal
#undef islessgreater
#undef isunordered
_GLIBCXX_BEGIN_NAMESPACE(std)
template<typename _Tp>
inline int
fpclassify(_Tp __f) { return ::__gnu_cxx::__capture_fpclassify(__f); }
template<typename _Tp>
inline int
isfinite(_Tp __f) { return ::__gnu_cxx::__capture_isfinite(__f); }
template<typename _Tp>
inline int
isinf(_Tp __f) { return ::__gnu_cxx::__capture_isinf(__f); }
template<typename _Tp>
inline int
isnan(_Tp __f) { return ::__gnu_cxx::__capture_isnan(__f); }
template<typename _Tp>
inline int
isnormal(_Tp __f) { return ::__gnu_cxx::__capture_isnormal(__f); }
template<typename _Tp>
inline int
signbit(_Tp __f) { return ::__gnu_cxx::__capture_signbit(__f); }
template<typename _Tp>
inline int
isgreater(_Tp __f1, _Tp __f2)
{ return ::__gnu_cxx::__capture_isgreater(__f1, __f2); }
template<typename _Tp>
inline int
isgreaterequal(_Tp __f1, _Tp __f2)
{ return ::__gnu_cxx::__capture_isgreaterequal(__f1, __f2); }
template<typename _Tp>
inline int
isless(_Tp __f1, _Tp __f2)
{ return ::__gnu_cxx::__capture_isless(__f1, __f2); }
template<typename _Tp>
inline int
islessequal(_Tp __f1, _Tp __f2)
{ return ::__gnu_cxx::__capture_islessequal(__f1, __f2); }
template<typename _Tp>
inline int
islessgreater(_Tp __f1, _Tp __f2)
{ return ::__gnu_cxx::__capture_islessgreater(__f1, __f2); }
template<typename _Tp>
inline int
isunordered(_Tp __f1, _Tp __f2)
{ return ::__gnu_cxx::__capture_isunordered(__f1, __f2); }
_GLIBCXX_END_NAMESPACE
#endif /* _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC */
#endif
#ifndef _GLIBCXX_EXPORT_TEMPLATE
# include <bits/cmath.tcc>
#endif
#endif
|