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// -*- C++ -*- C forwarding header.
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
// 2006, 2007, 2008, 2009
// 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 3, 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.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file include/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).
*/
//
// ISO C++ 14882: 26.5 C library
//
#ifndef _GLIBCXX_CMATH
#define _GLIBCXX_CMATH 1
#pragma GCC system_header
#include <bits/c++config.h>
#include <bits/cpp_type_traits.h>
#include <ext/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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value
&& __is_integer<_Up>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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 __gnu_cxx::__enable_if<__is_integer<_Tp>::__value,
double>::__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.
#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 typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
fpclassify(_Tp __f)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL,
FP_SUBNORMAL, FP_ZERO, __type(__f));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
isfinite(_Tp __f)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_isfinite(__type(__f));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
isinf(_Tp __f)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_isinf(__type(__f));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
isnan(_Tp __f)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_isnan(__type(__f));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
isnormal(_Tp __f)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_isnormal(__type(__f));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
signbit(_Tp __f)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_signbit(__type(__f));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
isgreater(_Tp __f1, _Tp __f2)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_isgreater(__type(__f1), __type(__f2));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
isgreaterequal(_Tp __f1, _Tp __f2)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_isgreaterequal(__type(__f1), __type(__f2));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
isless(_Tp __f1, _Tp __f2)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_isless(__type(__f1), __type(__f2));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
islessequal(_Tp __f1, _Tp __f2)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_islessequal(__type(__f1), __type(__f2));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
islessgreater(_Tp __f1, _Tp __f2)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_islessgreater(__type(__f1), __type(__f2));
}
template<typename _Tp>
inline typename __gnu_cxx::__enable_if<__is_arithmetic<_Tp>::__value,
int>::__type
isunordered(_Tp __f1, _Tp __f2)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return __builtin_isunordered(__type(__f1), __type(__f2));
}
_GLIBCXX_END_NAMESPACE
#endif /* _GLIBCXX_USE_C99_FP_MACROS_DYNAMIC */
#endif
#ifndef _GLIBCXX_EXPORT_TEMPLATE
# include <bits/cmath.tcc>
#endif
#endif