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PK [& &
4.4.4/cstddefnu W+A // -*- 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
// .
/** @file cstddef
* 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 stddef.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: 18.1 Types
//
#pragma GCC system_header
#include
#include
#ifndef _GLIBCXX_CSTDDEF
#define _GLIBCXX_CSTDDEF 1
_GLIBCXX_BEGIN_NAMESPACE(std)
using ::ptrdiff_t;
using ::size_t;
_GLIBCXX_END_NAMESPACE
#endif
PK [ӂ 4.4.4/exception_ptr.hnu W+A // Exception Handling support header (exception_ptr class) for -*- C++ -*-
// Copyright (C) 2008, 2009 Free Software Foundation
//
// This file is part of GCC.
//
// GCC 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.
//
// GCC 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
// .
/** @file exception_ptr.h
* This is an internal header file, included by other headers and the
* implementation. You should not attempt to use it directly.
*/
#ifndef _EXCEPTION_PTR_H
#define _EXCEPTION_PTR_H
#pragma GCC visibility push(default)
#include
#include
#if !defined(_GLIBCXX_ATOMIC_BUILTINS_4)
# error This platform does not support exception propagation.
#endif
extern "C++" {
namespace std
{
class type_info;
/**
* @addtogroup exceptions
* @{
*/
// Hide the free operators from other types
namespace __exception_ptr
{
/**
* @brief An opaque pointer to an arbitrary exception.
*/
class exception_ptr;
}
using __exception_ptr::exception_ptr;
/** Obtain an %exception_ptr to the currently handled exception. If there
* is none, or the currently handled exception is foreign, return the null
* value.
*/
exception_ptr current_exception() throw();
/// Throw the object pointed to by the %exception_ptr.
void rethrow_exception(exception_ptr) __attribute__ ((__noreturn__));
/// Obtain an %exception_ptr pointing to a copy of the supplied object.
template
exception_ptr
copy_exception(_Ex __ex) throw();
namespace __exception_ptr
{
bool
operator==(const exception_ptr&, const exception_ptr&) throw();
bool
operator!=(const exception_ptr&, const exception_ptr&) throw();
class exception_ptr
{
void* _M_exception_object;
explicit exception_ptr(void* __e) throw();
void _M_addref() throw();
void _M_release() throw();
void *_M_get() const throw();
void _M_safe_bool_dummy();
friend exception_ptr std::current_exception() throw();
friend void std::rethrow_exception(exception_ptr);
public:
exception_ptr() throw();
typedef void (exception_ptr::*__safe_bool)();
// For construction from nullptr or 0.
exception_ptr(__safe_bool) throw();
exception_ptr(const exception_ptr&) throw();
#ifdef __GXX_EXPERIMENTAL_CXX0X__
exception_ptr(exception_ptr&& __o) throw()
: _M_exception_object(__o._M_exception_object)
{ __o._M_exception_object = 0; }
#endif
exception_ptr&
operator=(const exception_ptr&) throw();
#ifdef __GXX_EXPERIMENTAL_CXX0X__
exception_ptr&
operator=(exception_ptr&& __o) throw()
{
exception_ptr(static_cast(__o)).swap(*this);
return *this;
}
#endif
~exception_ptr() throw();
void
swap(exception_ptr&) throw();
#ifdef _GLIBCXX_EH_PTR_COMPAT
// Retained for compatibility with CXXABI_1.3.
bool operator!() const throw();
operator __safe_bool() const throw();
#endif
friend bool
operator==(const exception_ptr&, const exception_ptr&) throw();
const class std::type_info*
__cxa_exception_type() const throw();
};
} // namespace __exception_ptr
template
exception_ptr
copy_exception(_Ex __ex) throw()
{
__try
{
throw __ex;
}
__catch(...)
{
return current_exception ();
}
}
// @} group exceptions
} // namespace std
} // extern "C++"
#pragma GCC visibility pop
#endif
PK [>
4.4.4/complexnu W+A // The template and inlines for the -*- C++ -*- complex number classes.
// 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
// .
/** @file include/complex
* This is a Standard C++ Library header.
*/
//
// ISO C++ 14882: 26.2 Complex Numbers
// Note: this is not a conforming implementation.
// Initially implemented by Ulrich Drepper
// Improved by Gabriel Dos Reis
//
#ifndef _GLIBCXX_COMPLEX
#define _GLIBCXX_COMPLEX 1
#pragma GCC system_header
#include
#include
#include
#include
#include
_GLIBCXX_BEGIN_NAMESPACE(std)
/**
* @defgroup complex_numbers Complex Numbers
* @ingroup numerics
*
* Classes and functions for complex numbers.
* @{
*/
// Forward declarations.
template class complex;
template<> class complex;
template<> class complex;
template<> class complex;
/// Return magnitude of @a z.
template _Tp abs(const complex<_Tp>&);
/// Return phase angle of @a z.
template _Tp arg(const complex<_Tp>&);
/// Return @a z magnitude squared.
template _Tp norm(const complex<_Tp>&);
/// Return complex conjugate of @a z.
template complex<_Tp> conj(const complex<_Tp>&);
/// Return complex with magnitude @a rho and angle @a theta.
template complex<_Tp> polar(const _Tp&, const _Tp& = 0);
// Transcendentals:
/// Return complex cosine of @a z.
template complex<_Tp> cos(const complex<_Tp>&);
/// Return complex hyperbolic cosine of @a z.
template complex<_Tp> cosh(const complex<_Tp>&);
/// Return complex base e exponential of @a z.
template complex<_Tp> exp(const complex<_Tp>&);
/// Return complex natural logarithm of @a z.
template complex<_Tp> log(const complex<_Tp>&);
/// Return complex base 10 logarithm of @a z.
template complex<_Tp> log10(const complex<_Tp>&);
#ifndef __GXX_EXPERIMENTAL_CXX0X__
// DR 844.
/// Return @a x to the @a y'th power.
template complex<_Tp> pow(const complex<_Tp>&, int);
#endif
/// Return @a x to the @a y'th power.
template complex<_Tp> pow(const complex<_Tp>&, const _Tp&);
/// Return @a x to the @a y'th power.
template complex<_Tp> pow(const complex<_Tp>&,
const complex<_Tp>&);
/// Return @a x to the @a y'th power.
template complex<_Tp> pow(const _Tp&, const complex<_Tp>&);
/// Return complex sine of @a z.
template complex<_Tp> sin(const complex<_Tp>&);
/// Return complex hyperbolic sine of @a z.
template complex<_Tp> sinh(const complex<_Tp>&);
/// Return complex square root of @a z.
template complex<_Tp> sqrt(const complex<_Tp>&);
/// Return complex tangent of @a z.
template complex<_Tp> tan(const complex<_Tp>&);
/// Return complex hyperbolic tangent of @a z.
template complex<_Tp> tanh(const complex<_Tp>&);
// 26.2.2 Primary template class complex
/**
* Template to represent complex numbers.
*
* Specializations for float, double, and long double are part of the
* library. Results with any other type are not guaranteed.
*
* @param Tp Type of real and imaginary values.
*/
template
struct complex
{
/// Value typedef.
typedef _Tp value_type;
/// Default constructor. First parameter is x, second parameter is y.
/// Unspecified parameters default to 0.
complex(const _Tp& __r = _Tp(), const _Tp& __i = _Tp())
: _M_real(__r), _M_imag(__i) { }
// Lets the compiler synthesize the copy constructor
// complex (const complex<_Tp>&);
/// Copy constructor.
template
complex(const complex<_Up>& __z)
: _M_real(__z.real()), _M_imag(__z.imag()) { }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
_Tp real() const
{ return _M_real; }
_Tp imag() const
{ return _M_imag; }
#else
/// Return real part of complex number.
_Tp& real()
{ return _M_real; }
/// Return real part of complex number.
const _Tp& real() const
{ return _M_real; }
/// Return imaginary part of complex number.
_Tp& imag()
{ return _M_imag; }
/// Return imaginary part of complex number.
const _Tp& imag() const
{ return _M_imag; }
#endif
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
void real(_Tp __val)
{ _M_real = __val; }
void imag(_Tp __val)
{ _M_imag = __val; }
/// Assign this complex number to scalar @a t.
complex<_Tp>& operator=(const _Tp&);
/// Add @a t to this complex number.
// 26.2.5/1
complex<_Tp>&
operator+=(const _Tp& __t)
{
_M_real += __t;
return *this;
}
/// Subtract @a t from this complex number.
// 26.2.5/3
complex<_Tp>&
operator-=(const _Tp& __t)
{
_M_real -= __t;
return *this;
}
/// Multiply this complex number by @a t.
complex<_Tp>& operator*=(const _Tp&);
/// Divide this complex number by @a t.
complex<_Tp>& operator/=(const _Tp&);
// Lets the compiler synthesize the
// copy and assignment operator
// complex<_Tp>& operator= (const complex<_Tp>&);
/// Assign this complex number to complex @a z.
template
complex<_Tp>& operator=(const complex<_Up>&);
/// Add @a z to this complex number.
template
complex<_Tp>& operator+=(const complex<_Up>&);
/// Subtract @a z from this complex number.
template
complex<_Tp>& operator-=(const complex<_Up>&);
/// Multiply this complex number by @a z.
template
complex<_Tp>& operator*=(const complex<_Up>&);
/// Divide this complex number by @a z.
template
complex<_Tp>& operator/=(const complex<_Up>&);
const complex& __rep() const
{ return *this; }
private:
_Tp _M_real;
_Tp _M_imag;
};
template
complex<_Tp>&
complex<_Tp>::operator=(const _Tp& __t)
{
_M_real = __t;
_M_imag = _Tp();
return *this;
}
// 26.2.5/5
template
complex<_Tp>&
complex<_Tp>::operator*=(const _Tp& __t)
{
_M_real *= __t;
_M_imag *= __t;
return *this;
}
// 26.2.5/7
template
complex<_Tp>&
complex<_Tp>::operator/=(const _Tp& __t)
{
_M_real /= __t;
_M_imag /= __t;
return *this;
}
template
template
complex<_Tp>&
complex<_Tp>::operator=(const complex<_Up>& __z)
{
_M_real = __z.real();
_M_imag = __z.imag();
return *this;
}
// 26.2.5/9
template
template
complex<_Tp>&
complex<_Tp>::operator+=(const complex<_Up>& __z)
{
_M_real += __z.real();
_M_imag += __z.imag();
return *this;
}
// 26.2.5/11
template
template
complex<_Tp>&
complex<_Tp>::operator-=(const complex<_Up>& __z)
{
_M_real -= __z.real();
_M_imag -= __z.imag();
return *this;
}
// 26.2.5/13
// XXX: This is a grammar school implementation.
template
template
complex<_Tp>&
complex<_Tp>::operator*=(const complex<_Up>& __z)
{
const _Tp __r = _M_real * __z.real() - _M_imag * __z.imag();
_M_imag = _M_real * __z.imag() + _M_imag * __z.real();
_M_real = __r;
return *this;
}
// 26.2.5/15
// XXX: This is a grammar school implementation.
template
template
complex<_Tp>&
complex<_Tp>::operator/=(const complex<_Up>& __z)
{
const _Tp __r = _M_real * __z.real() + _M_imag * __z.imag();
const _Tp __n = std::norm(__z);
_M_imag = (_M_imag * __z.real() - _M_real * __z.imag()) / __n;
_M_real = __r / __n;
return *this;
}
// Operators:
//@{
/// Return new complex value @a x plus @a y.
template
inline complex<_Tp>
operator+(const complex<_Tp>& __x, const complex<_Tp>& __y)
{
complex<_Tp> __r = __x;
__r += __y;
return __r;
}
template
inline complex<_Tp>
operator+(const complex<_Tp>& __x, const _Tp& __y)
{
complex<_Tp> __r = __x;
__r += __y;
return __r;
}
template
inline complex<_Tp>
operator+(const _Tp& __x, const complex<_Tp>& __y)
{
complex<_Tp> __r = __y;
__r += __x;
return __r;
}
//@}
//@{
/// Return new complex value @a x minus @a y.
template
inline complex<_Tp>
operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
{
complex<_Tp> __r = __x;
__r -= __y;
return __r;
}
template
inline complex<_Tp>
operator-(const complex<_Tp>& __x, const _Tp& __y)
{
complex<_Tp> __r = __x;
__r -= __y;
return __r;
}
template
inline complex<_Tp>
operator-(const _Tp& __x, const complex<_Tp>& __y)
{
complex<_Tp> __r(__x, -__y.imag());
__r -= __y.real();
return __r;
}
//@}
//@{
/// Return new complex value @a x times @a y.
template
inline complex<_Tp>
operator*(const complex<_Tp>& __x, const complex<_Tp>& __y)
{
complex<_Tp> __r = __x;
__r *= __y;
return __r;
}
template
inline complex<_Tp>
operator*(const complex<_Tp>& __x, const _Tp& __y)
{
complex<_Tp> __r = __x;
__r *= __y;
return __r;
}
template
inline complex<_Tp>
operator*(const _Tp& __x, const complex<_Tp>& __y)
{
complex<_Tp> __r = __y;
__r *= __x;
return __r;
}
//@}
//@{
/// Return new complex value @a x divided by @a y.
template
inline complex<_Tp>
operator/(const complex<_Tp>& __x, const complex<_Tp>& __y)
{
complex<_Tp> __r = __x;
__r /= __y;
return __r;
}
template
inline complex<_Tp>
operator/(const complex<_Tp>& __x, const _Tp& __y)
{
complex<_Tp> __r = __x;
__r /= __y;
return __r;
}
template
inline complex<_Tp>
operator/(const _Tp& __x, const complex<_Tp>& __y)
{
complex<_Tp> __r = __x;
__r /= __y;
return __r;
}
//@}
/// Return @a x.
template
inline complex<_Tp>
operator+(const complex<_Tp>& __x)
{ return __x; }
/// Return complex negation of @a x.
template
inline complex<_Tp>
operator-(const complex<_Tp>& __x)
{ return complex<_Tp>(-__x.real(), -__x.imag()); }
//@{
/// Return true if @a x is equal to @a y.
template
inline bool
operator==(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return __x.real() == __y.real() && __x.imag() == __y.imag(); }
template
inline bool
operator==(const complex<_Tp>& __x, const _Tp& __y)
{ return __x.real() == __y && __x.imag() == _Tp(); }
template
inline bool
operator==(const _Tp& __x, const complex<_Tp>& __y)
{ return __x == __y.real() && _Tp() == __y.imag(); }
//@}
//@{
/// Return false if @a x is equal to @a y.
template
inline bool
operator!=(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return __x.real() != __y.real() || __x.imag() != __y.imag(); }
template
inline bool
operator!=(const complex<_Tp>& __x, const _Tp& __y)
{ return __x.real() != __y || __x.imag() != _Tp(); }
template
inline bool
operator!=(const _Tp& __x, const complex<_Tp>& __y)
{ return __x != __y.real() || _Tp() != __y.imag(); }
//@}
/// Extraction operator for complex values.
template
basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x)
{
_Tp __re_x, __im_x;
_CharT __ch;
__is >> __ch;
if (__ch == '(')
{
__is >> __re_x >> __ch;
if (__ch == ',')
{
__is >> __im_x >> __ch;
if (__ch == ')')
__x = complex<_Tp>(__re_x, __im_x);
else
__is.setstate(ios_base::failbit);
}
else if (__ch == ')')
__x = __re_x;
else
__is.setstate(ios_base::failbit);
}
else
{
__is.putback(__ch);
__is >> __re_x;
__x = __re_x;
}
return __is;
}
/// Insertion operator for complex values.
template
basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const complex<_Tp>& __x)
{
basic_ostringstream<_CharT, _Traits> __s;
__s.flags(__os.flags());
__s.imbue(__os.getloc());
__s.precision(__os.precision());
__s << '(' << __x.real() << ',' << __x.imag() << ')';
return __os << __s.str();
}
// Values
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template
inline _Tp
real(const complex<_Tp>& __z)
{ return __z.real(); }
template
inline _Tp
imag(const complex<_Tp>& __z)
{ return __z.imag(); }
#else
template
inline _Tp&
real(complex<_Tp>& __z)
{ return __z.real(); }
template
inline const _Tp&
real(const complex<_Tp>& __z)
{ return __z.real(); }
template
inline _Tp&
imag(complex<_Tp>& __z)
{ return __z.imag(); }
template
inline const _Tp&
imag(const complex<_Tp>& __z)
{ return __z.imag(); }
#endif
// 26.2.7/3 abs(__z): Returns the magnitude of __z.
template
inline _Tp
__complex_abs(const complex<_Tp>& __z)
{
_Tp __x = __z.real();
_Tp __y = __z.imag();
const _Tp __s = std::max(abs(__x), abs(__y));
if (__s == _Tp()) // well ...
return __s;
__x /= __s;
__y /= __s;
return __s * sqrt(__x * __x + __y * __y);
}
#if _GLIBCXX_USE_C99_COMPLEX
inline float
__complex_abs(__complex__ float __z) { return __builtin_cabsf(__z); }
inline double
__complex_abs(__complex__ double __z) { return __builtin_cabs(__z); }
inline long double
__complex_abs(const __complex__ long double& __z)
{ return __builtin_cabsl(__z); }
template
inline _Tp
abs(const complex<_Tp>& __z) { return __complex_abs(__z.__rep()); }
#else
template
inline _Tp
abs(const complex<_Tp>& __z) { return __complex_abs(__z); }
#endif
// 26.2.7/4: arg(__z): Returns the phase angle of __z.
template
inline _Tp
__complex_arg(const complex<_Tp>& __z)
{ return atan2(__z.imag(), __z.real()); }
#if _GLIBCXX_USE_C99_COMPLEX
inline float
__complex_arg(__complex__ float __z) { return __builtin_cargf(__z); }
inline double
__complex_arg(__complex__ double __z) { return __builtin_carg(__z); }
inline long double
__complex_arg(const __complex__ long double& __z)
{ return __builtin_cargl(__z); }
template
inline _Tp
arg(const complex<_Tp>& __z) { return __complex_arg(__z.__rep()); }
#else
template
inline _Tp
arg(const complex<_Tp>& __z) { return __complex_arg(__z); }
#endif
// 26.2.7/5: norm(__z) returns the squared magnitude of __z.
// As defined, norm() is -not- a norm is the common mathematical
// sens used in numerics. The helper class _Norm_helper<> tries to
// distinguish between builtin floating point and the rest, so as
// to deliver an answer as close as possible to the real value.
template
struct _Norm_helper
{
template
static inline _Tp _S_do_it(const complex<_Tp>& __z)
{
const _Tp __x = __z.real();
const _Tp __y = __z.imag();
return __x * __x + __y * __y;
}
};
template<>
struct _Norm_helper
{
template
static inline _Tp _S_do_it(const complex<_Tp>& __z)
{
_Tp __res = std::abs(__z);
return __res * __res;
}
};
template
inline _Tp
norm(const complex<_Tp>& __z)
{
return _Norm_helper<__is_floating<_Tp>::__value
&& !_GLIBCXX_FAST_MATH>::_S_do_it(__z);
}
template
inline complex<_Tp>
polar(const _Tp& __rho, const _Tp& __theta)
{ return complex<_Tp>(__rho * cos(__theta), __rho * sin(__theta)); }
template
inline complex<_Tp>
conj(const complex<_Tp>& __z)
{ return complex<_Tp>(__z.real(), -__z.imag()); }
// Transcendentals
// 26.2.8/1 cos(__z): Returns the cosine of __z.
template
inline complex<_Tp>
__complex_cos(const complex<_Tp>& __z)
{
const _Tp __x = __z.real();
const _Tp __y = __z.imag();
return complex<_Tp>(cos(__x) * cosh(__y), -sin(__x) * sinh(__y));
}
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_cos(__complex__ float __z) { return __builtin_ccosf(__z); }
inline __complex__ double
__complex_cos(__complex__ double __z) { return __builtin_ccos(__z); }
inline __complex__ long double
__complex_cos(const __complex__ long double& __z)
{ return __builtin_ccosl(__z); }
template
inline complex<_Tp>
cos(const complex<_Tp>& __z) { return __complex_cos(__z.__rep()); }
#else
template
inline complex<_Tp>
cos(const complex<_Tp>& __z) { return __complex_cos(__z); }
#endif
// 26.2.8/2 cosh(__z): Returns the hyperbolic cosine of __z.
template
inline complex<_Tp>
__complex_cosh(const complex<_Tp>& __z)
{
const _Tp __x = __z.real();
const _Tp __y = __z.imag();
return complex<_Tp>(cosh(__x) * cos(__y), sinh(__x) * sin(__y));
}
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_cosh(__complex__ float __z) { return __builtin_ccoshf(__z); }
inline __complex__ double
__complex_cosh(__complex__ double __z) { return __builtin_ccosh(__z); }
inline __complex__ long double
__complex_cosh(const __complex__ long double& __z)
{ return __builtin_ccoshl(__z); }
template
inline complex<_Tp>
cosh(const complex<_Tp>& __z) { return __complex_cosh(__z.__rep()); }
#else
template
inline complex<_Tp>
cosh(const complex<_Tp>& __z) { return __complex_cosh(__z); }
#endif
// 26.2.8/3 exp(__z): Returns the complex base e exponential of x
template
inline complex<_Tp>
__complex_exp(const complex<_Tp>& __z)
{ return std::polar(exp(__z.real()), __z.imag()); }
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_exp(__complex__ float __z) { return __builtin_cexpf(__z); }
inline __complex__ double
__complex_exp(__complex__ double __z) { return __builtin_cexp(__z); }
inline __complex__ long double
__complex_exp(const __complex__ long double& __z)
{ return __builtin_cexpl(__z); }
template
inline complex<_Tp>
exp(const complex<_Tp>& __z) { return __complex_exp(__z.__rep()); }
#else
template
inline complex<_Tp>
exp(const complex<_Tp>& __z) { return __complex_exp(__z); }
#endif
// 26.2.8/5 log(__z): Returns the natural complex logarithm of __z.
// The branch cut is along the negative axis.
template
inline complex<_Tp>
__complex_log(const complex<_Tp>& __z)
{ return complex<_Tp>(log(std::abs(__z)), std::arg(__z)); }
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_log(__complex__ float __z) { return __builtin_clogf(__z); }
inline __complex__ double
__complex_log(__complex__ double __z) { return __builtin_clog(__z); }
inline __complex__ long double
__complex_log(const __complex__ long double& __z)
{ return __builtin_clogl(__z); }
template
inline complex<_Tp>
log(const complex<_Tp>& __z) { return __complex_log(__z.__rep()); }
#else
template
inline complex<_Tp>
log(const complex<_Tp>& __z) { return __complex_log(__z); }
#endif
template
inline complex<_Tp>
log10(const complex<_Tp>& __z)
{ return std::log(__z) / log(_Tp(10.0)); }
// 26.2.8/10 sin(__z): Returns the sine of __z.
template
inline complex<_Tp>
__complex_sin(const complex<_Tp>& __z)
{
const _Tp __x = __z.real();
const _Tp __y = __z.imag();
return complex<_Tp>(sin(__x) * cosh(__y), cos(__x) * sinh(__y));
}
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_sin(__complex__ float __z) { return __builtin_csinf(__z); }
inline __complex__ double
__complex_sin(__complex__ double __z) { return __builtin_csin(__z); }
inline __complex__ long double
__complex_sin(const __complex__ long double& __z)
{ return __builtin_csinl(__z); }
template
inline complex<_Tp>
sin(const complex<_Tp>& __z) { return __complex_sin(__z.__rep()); }
#else
template
inline complex<_Tp>
sin(const complex<_Tp>& __z) { return __complex_sin(__z); }
#endif
// 26.2.8/11 sinh(__z): Returns the hyperbolic sine of __z.
template
inline complex<_Tp>
__complex_sinh(const complex<_Tp>& __z)
{
const _Tp __x = __z.real();
const _Tp __y = __z.imag();
return complex<_Tp>(sinh(__x) * cos(__y), cosh(__x) * sin(__y));
}
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_sinh(__complex__ float __z) { return __builtin_csinhf(__z); }
inline __complex__ double
__complex_sinh(__complex__ double __z) { return __builtin_csinh(__z); }
inline __complex__ long double
__complex_sinh(const __complex__ long double& __z)
{ return __builtin_csinhl(__z); }
template
inline complex<_Tp>
sinh(const complex<_Tp>& __z) { return __complex_sinh(__z.__rep()); }
#else
template
inline complex<_Tp>
sinh(const complex<_Tp>& __z) { return __complex_sinh(__z); }
#endif
// 26.2.8/13 sqrt(__z): Returns the complex square root of __z.
// The branch cut is on the negative axis.
template
complex<_Tp>
__complex_sqrt(const complex<_Tp>& __z)
{
_Tp __x = __z.real();
_Tp __y = __z.imag();
if (__x == _Tp())
{
_Tp __t = sqrt(abs(__y) / 2);
return complex<_Tp>(__t, __y < _Tp() ? -__t : __t);
}
else
{
_Tp __t = sqrt(2 * (std::abs(__z) + abs(__x)));
_Tp __u = __t / 2;
return __x > _Tp()
? complex<_Tp>(__u, __y / __t)
: complex<_Tp>(abs(__y) / __t, __y < _Tp() ? -__u : __u);
}
}
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_sqrt(__complex__ float __z) { return __builtin_csqrtf(__z); }
inline __complex__ double
__complex_sqrt(__complex__ double __z) { return __builtin_csqrt(__z); }
inline __complex__ long double
__complex_sqrt(const __complex__ long double& __z)
{ return __builtin_csqrtl(__z); }
template
inline complex<_Tp>
sqrt(const complex<_Tp>& __z) { return __complex_sqrt(__z.__rep()); }
#else
template
inline complex<_Tp>
sqrt(const complex<_Tp>& __z) { return __complex_sqrt(__z); }
#endif
// 26.2.8/14 tan(__z): Return the complex tangent of __z.
template
inline complex<_Tp>
__complex_tan(const complex<_Tp>& __z)
{ return std::sin(__z) / std::cos(__z); }
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_tan(__complex__ float __z) { return __builtin_ctanf(__z); }
inline __complex__ double
__complex_tan(__complex__ double __z) { return __builtin_ctan(__z); }
inline __complex__ long double
__complex_tan(const __complex__ long double& __z)
{ return __builtin_ctanl(__z); }
template
inline complex<_Tp>
tan(const complex<_Tp>& __z) { return __complex_tan(__z.__rep()); }
#else
template
inline complex<_Tp>
tan(const complex<_Tp>& __z) { return __complex_tan(__z); }
#endif
// 26.2.8/15 tanh(__z): Returns the hyperbolic tangent of __z.
template
inline complex<_Tp>
__complex_tanh(const complex<_Tp>& __z)
{ return std::sinh(__z) / std::cosh(__z); }
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_tanh(__complex__ float __z) { return __builtin_ctanhf(__z); }
inline __complex__ double
__complex_tanh(__complex__ double __z) { return __builtin_ctanh(__z); }
inline __complex__ long double
__complex_tanh(const __complex__ long double& __z)
{ return __builtin_ctanhl(__z); }
template
inline complex<_Tp>
tanh(const complex<_Tp>& __z) { return __complex_tanh(__z.__rep()); }
#else
template
inline complex<_Tp>
tanh(const complex<_Tp>& __z) { return __complex_tanh(__z); }
#endif
// 26.2.8/9 pow(__x, __y): Returns the complex power base of __x
// raised to the __y-th power. The branch
// cut is on the negative axis.
#ifndef __GXX_EXPERIMENTAL_CXX0X__
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 844. complex pow return type is ambiguous.
template
inline complex<_Tp>
pow(const complex<_Tp>& __z, int __n)
{ return std::__pow_helper(__z, __n); }
#endif
template
complex<_Tp>
pow(const complex<_Tp>& __x, const _Tp& __y)
{
#ifndef _GLIBCXX_USE_C99_COMPLEX
if (__x == _Tp())
return _Tp();
#endif
if (__x.imag() == _Tp() && __x.real() > _Tp())
return pow(__x.real(), __y);
complex<_Tp> __t = std::log(__x);
return std::polar(exp(__y * __t.real()), __y * __t.imag());
}
template
inline complex<_Tp>
__complex_pow(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return __x == _Tp() ? _Tp() : std::exp(__y * std::log(__x)); }
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_pow(__complex__ float __x, __complex__ float __y)
{ return __builtin_cpowf(__x, __y); }
inline __complex__ double
__complex_pow(__complex__ double __x, __complex__ double __y)
{ return __builtin_cpow(__x, __y); }
inline __complex__ long double
__complex_pow(const __complex__ long double& __x,
const __complex__ long double& __y)
{ return __builtin_cpowl(__x, __y); }
template
inline complex<_Tp>
pow(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return __complex_pow(__x.__rep(), __y.__rep()); }
#else
template
inline complex<_Tp>
pow(const complex<_Tp>& __x, const complex<_Tp>& __y)
{ return __complex_pow(__x, __y); }
#endif
template
inline complex<_Tp>
pow(const _Tp& __x, const complex<_Tp>& __y)
{
return __x > _Tp() ? std::polar(pow(__x, __y.real()),
__y.imag() * log(__x))
: std::pow(complex<_Tp>(__x), __y);
}
// 26.2.3 complex specializations
// complex specialization
template<>
struct complex
{
typedef float value_type;
typedef __complex__ float _ComplexT;
complex(_ComplexT __z) : _M_value(__z) { }
complex(float __r = 0.0f, float __i = 0.0f)
{
__real__ _M_value = __r;
__imag__ _M_value = __i;
}
explicit complex(const complex&);
explicit complex(const complex&);
#ifdef __GXX_EXPERIMENTAL_CXX0X__
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
float real() const
{ return __real__ _M_value; }
float imag() const
{ return __imag__ _M_value; }
#else
float& real()
{ return __real__ _M_value; }
const float& real() const
{ return __real__ _M_value; }
float& imag()
{ return __imag__ _M_value; }
const float& imag() const
{ return __imag__ _M_value; }
#endif
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
void real(float __val)
{ __real__ _M_value = __val; }
void imag(float __val)
{ __imag__ _M_value = __val; }
complex&
operator=(float __f)
{
__real__ _M_value = __f;
__imag__ _M_value = 0.0f;
return *this;
}
complex&
operator+=(float __f)
{
__real__ _M_value += __f;
return *this;
}
complex&
operator-=(float __f)
{
__real__ _M_value -= __f;
return *this;
}
complex&
operator*=(float __f)
{
_M_value *= __f;
return *this;
}
complex&
operator/=(float __f)
{
_M_value /= __f;
return *this;
}
// Let the compiler synthesize the copy and assignment
// operator. It always does a pretty good job.
// complex& operator=(const complex&);
template
complex&
operator=(const complex<_Tp>& __z)
{
__real__ _M_value = __z.real();
__imag__ _M_value = __z.imag();
return *this;
}
template
complex&
operator+=(const complex<_Tp>& __z)
{
__real__ _M_value += __z.real();
__imag__ _M_value += __z.imag();
return *this;
}
template
complex&
operator-=(const complex<_Tp>& __z)
{
__real__ _M_value -= __z.real();
__imag__ _M_value -= __z.imag();
return *this;
}
template
complex&
operator*=(const complex<_Tp>& __z)
{
_ComplexT __t;
__real__ __t = __z.real();
__imag__ __t = __z.imag();
_M_value *= __t;
return *this;
}
template
complex&
operator/=(const complex<_Tp>& __z)
{
_ComplexT __t;
__real__ __t = __z.real();
__imag__ __t = __z.imag();
_M_value /= __t;
return *this;
}
const _ComplexT& __rep() const { return _M_value; }
private:
_ComplexT _M_value;
};
// 26.2.3 complex specializations
// complex specialization
template<>
struct complex
{
typedef double value_type;
typedef __complex__ double _ComplexT;
complex(_ComplexT __z) : _M_value(__z) { }
complex(double __r = 0.0, double __i = 0.0)
{
__real__ _M_value = __r;
__imag__ _M_value = __i;
}
complex(const complex& __z)
: _M_value(__z.__rep()) { }
explicit complex(const complex&);
#ifdef __GXX_EXPERIMENTAL_CXX0X__
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
double real() const
{ return __real__ _M_value; }
double imag() const
{ return __imag__ _M_value; }
#else
double& real()
{ return __real__ _M_value; }
const double& real() const
{ return __real__ _M_value; }
double& imag()
{ return __imag__ _M_value; }
const double& imag() const
{ return __imag__ _M_value; }
#endif
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
void real(double __val)
{ __real__ _M_value = __val; }
void imag(double __val)
{ __imag__ _M_value = __val; }
complex&
operator=(double __d)
{
__real__ _M_value = __d;
__imag__ _M_value = 0.0;
return *this;
}
complex&
operator+=(double __d)
{
__real__ _M_value += __d;
return *this;
}
complex&
operator-=(double __d)
{
__real__ _M_value -= __d;
return *this;
}
complex&
operator*=(double __d)
{
_M_value *= __d;
return *this;
}
complex&
operator/=(double __d)
{
_M_value /= __d;
return *this;
}
// The compiler will synthesize this, efficiently.
// complex& operator=(const complex&);
template
complex&
operator=(const complex<_Tp>& __z)
{
__real__ _M_value = __z.real();
__imag__ _M_value = __z.imag();
return *this;
}
template
complex&
operator+=(const complex<_Tp>& __z)
{
__real__ _M_value += __z.real();
__imag__ _M_value += __z.imag();
return *this;
}
template
complex&
operator-=(const complex<_Tp>& __z)
{
__real__ _M_value -= __z.real();
__imag__ _M_value -= __z.imag();
return *this;
}
template
complex&
operator*=(const complex<_Tp>& __z)
{
_ComplexT __t;
__real__ __t = __z.real();
__imag__ __t = __z.imag();
_M_value *= __t;
return *this;
}
template
complex&
operator/=(const complex<_Tp>& __z)
{
_ComplexT __t;
__real__ __t = __z.real();
__imag__ __t = __z.imag();
_M_value /= __t;
return *this;
}
const _ComplexT& __rep() const { return _M_value; }
private:
_ComplexT _M_value;
};
// 26.2.3 complex specializations
// complex specialization
template<>
struct complex
{
typedef long double value_type;
typedef __complex__ long double _ComplexT;
complex(_ComplexT __z) : _M_value(__z) { }
complex(long double __r = 0.0L, long double __i = 0.0L)
{
__real__ _M_value = __r;
__imag__ _M_value = __i;
}
complex(const complex& __z)
: _M_value(__z.__rep()) { }
complex(const complex& __z)
: _M_value(__z.__rep()) { }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
long double real() const
{ return __real__ _M_value; }
long double imag() const
{ return __imag__ _M_value; }
#else
long double& real()
{ return __real__ _M_value; }
const long double& real() const
{ return __real__ _M_value; }
long double& imag()
{ return __imag__ _M_value; }
const long double& imag() const
{ return __imag__ _M_value; }
#endif
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
void real(long double __val)
{ __real__ _M_value = __val; }
void imag(long double __val)
{ __imag__ _M_value = __val; }
complex&
operator=(long double __r)
{
__real__ _M_value = __r;
__imag__ _M_value = 0.0L;
return *this;
}
complex&
operator+=(long double __r)
{
__real__ _M_value += __r;
return *this;
}
complex&
operator-=(long double __r)
{
__real__ _M_value -= __r;
return *this;
}
complex&
operator*=(long double __r)
{
_M_value *= __r;
return *this;
}
complex&
operator/=(long double __r)
{
_M_value /= __r;
return *this;
}
// The compiler knows how to do this efficiently
// complex& operator=(const complex&);
template
complex&
operator=(const complex<_Tp>& __z)
{
__real__ _M_value = __z.real();
__imag__ _M_value = __z.imag();
return *this;
}
template
complex&
operator+=(const complex<_Tp>& __z)
{
__real__ _M_value += __z.real();
__imag__ _M_value += __z.imag();
return *this;
}
template
complex&
operator-=(const complex<_Tp>& __z)
{
__real__ _M_value -= __z.real();
__imag__ _M_value -= __z.imag();
return *this;
}
template
complex&
operator*=(const complex<_Tp>& __z)
{
_ComplexT __t;
__real__ __t = __z.real();
__imag__ __t = __z.imag();
_M_value *= __t;
return *this;
}
template
complex&
operator/=(const complex<_Tp>& __z)
{
_ComplexT __t;
__real__ __t = __z.real();
__imag__ __t = __z.imag();
_M_value /= __t;
return *this;
}
const _ComplexT& __rep() const { return _M_value; }
private:
_ComplexT _M_value;
};
// These bits have to be at the end of this file, so that the
// specializations have all been defined.
inline
complex::complex(const complex& __z)
: _M_value(__z.__rep()) { }
inline
complex::complex(const complex& __z)
: _M_value(__z.__rep()) { }
inline
complex::complex(const complex& __z)
: _M_value(__z.__rep()) { }
// Inhibit implicit instantiations for required instantiations,
// which are defined via explicit instantiations elsewhere.
// NB: This syntax is a GNU extension.
#if _GLIBCXX_EXTERN_TEMPLATE
extern template istream& operator>>(istream&, complex&);
extern template ostream& operator<<(ostream&, const complex&);
extern template istream& operator>>(istream&, complex&);
extern template ostream& operator<<(ostream&, const complex&);
extern template istream& operator>>(istream&, complex&);
extern template ostream& operator<<(ostream&, const complex&);
#ifdef _GLIBCXX_USE_WCHAR_T
extern template wistream& operator>>(wistream&, complex&);
extern template wostream& operator<<(wostream&, const complex&);
extern template wistream& operator>>(wistream&, complex&);
extern template wostream& operator<<(wostream&, const complex&);
extern template wistream& operator>>(wistream&, complex&);
extern template wostream& operator<<(wostream&, const complex&);
#endif
#endif
// @} group complex_numbers
_GLIBCXX_END_NAMESPACE
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
// See ext/type_traits.h for the primary template.
template
struct __promote_2, _Up>
{
public:
typedef std::complex::__type> __type;
};
template
struct __promote_2<_Tp, std::complex<_Up> >
{
public:
typedef std::complex::__type> __type;
};
template
struct __promote_2, std::complex<_Up> >
{
public:
typedef std::complex::__type> __type;
};
_GLIBCXX_END_NAMESPACE
#ifdef __GXX_EXPERIMENTAL_CXX0X__
# if defined(_GLIBCXX_INCLUDE_AS_TR1)
# error C++0x header cannot be included from TR1 header
# endif
# if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
# include
# else
# define _GLIBCXX_INCLUDE_AS_CXX0X
# define _GLIBCXX_BEGIN_NAMESPACE_TR1
# define _GLIBCXX_END_NAMESPACE_TR1
# define _GLIBCXX_TR1
# include
# undef _GLIBCXX_TR1
# undef _GLIBCXX_END_NAMESPACE_TR1
# undef _GLIBCXX_BEGIN_NAMESPACE_TR1
# undef _GLIBCXX_INCLUDE_AS_CXX0X
# endif
_GLIBCXX_BEGIN_NAMESPACE(std)
// Forward declarations.
// DR 781.
template std::complex<_Tp> proj(const std::complex<_Tp>&);
template
std::complex<_Tp>
__complex_proj(const std::complex<_Tp>& __z)
{
const _Tp __den = (__z.real() * __z.real()
+ __z.imag() * __z.imag() + _Tp(1.0));
return std::complex<_Tp>((_Tp(2.0) * __z.real()) / __den,
(_Tp(2.0) * __z.imag()) / __den);
}
#if _GLIBCXX_USE_C99_COMPLEX
inline __complex__ float
__complex_proj(__complex__ float __z)
{ return __builtin_cprojf(__z); }
inline __complex__ double
__complex_proj(__complex__ double __z)
{ return __builtin_cproj(__z); }
inline __complex__ long double
__complex_proj(const __complex__ long double& __z)
{ return __builtin_cprojl(__z); }
template
inline std::complex<_Tp>
proj(const std::complex<_Tp>& __z)
{ return __complex_proj(__z.__rep()); }
#else
template
inline std::complex<_Tp>
proj(const std::complex<_Tp>& __z)
{ return __complex_proj(__z); }
#endif
template
inline std::complex::__type>
proj(_Tp __x)
{
typedef typename __gnu_cxx::__promote<_Tp>::__type __type;
return std::proj(std::complex<__type>(__x));
}
_GLIBCXX_END_NAMESPACE
#endif
#endif /* _GLIBCXX_COMPLEX */
PK ['hz z 4.4.4/iosnu W+A // Iostreams base classes -*- C++ -*-
// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
// 2005, 2006, 2007, 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
// .
/** @file ios
* This is a Standard C++ Library header.
*/
//
// ISO C++ 14882: 27.4 Iostreams base classes
//
#ifndef _GLIBCXX_IOS
#define _GLIBCXX_IOS 1
#pragma GCC system_header
#include
#include // For ios_base::failure
#include // For char_traits, streamoff, streamsize, fpos
#include // For class locale
#include // For ios_base declarations.
#include
#include
#endif /* _GLIBCXX_IOS */
PK [p 4.4.4/bits/stl_pair.hnu W+A // Pair implementation -*- C++ -*-
// Copyright (C) 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
// .
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
/** @file stl_pair.h
* This is an internal header file, included by other library headers.
* You should not attempt to use it directly.
*/
#ifndef _STL_PAIR_H
#define _STL_PAIR_H 1
#include // for std::move / std::forward, std::decay, and
// std::swap
_GLIBCXX_BEGIN_NAMESPACE(std)
/// pair holds two objects of arbitrary type.
template
struct pair
{
typedef _T1 first_type; ///< @c first_type is the first bound type
typedef _T2 second_type; ///< @c second_type is the second bound type
_T1 first; ///< @c first is a copy of the first object
_T2 second; ///< @c second is a copy of the second object
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 265. std::pair::pair() effects overly restrictive
/** The default constructor creates @c first and @c second using their
* respective default constructors. */
pair()
: first(), second() { }
/** Two objects may be passed to a @c pair constructor to be copied. */
pair(const _T1& __a, const _T2& __b)
: first(__a), second(__b) { }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template
pair(_U1&& __x, _U2&& __y)
: first(std::forward<_U1>(__x)),
second(std::forward<_U2>(__y)) { }
pair(pair&& __p)
: first(std::move(__p.first)),
second(std::move(__p.second)) { }
#endif
/** There is also a templated copy ctor for the @c pair class itself. */
template
pair(const pair<_U1, _U2>& __p)
: first(__p.first),
second(__p.second) { }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
template
pair(pair<_U1, _U2>&& __p)
: first(std::move(__p.first)),
second(std::move(__p.second)) { }
// http://gcc.gnu.org/ml/libstdc++/2007-08/msg00052.html
template
pair(_U1&& __x, _Arg0&& __arg0, _Args&&... __args)
: first(std::forward<_U1>(__x)),
second(std::forward<_Arg0>(__arg0),
std::forward<_Args>(__args)...) { }
pair&
operator=(pair&& __p)
{
first = std::move(__p.first);
second = std::move(__p.second);
return *this;
}
template
pair&
operator=(pair<_U1, _U2>&& __p)
{
first = std::move(__p.first);
second = std::move(__p.second);
return *this;
}
void
swap(pair&& __p)
{
using std::swap;
swap(first, __p.first);
swap(second, __p.second);
}
#endif
};
/// Two pairs of the same type are equal iff their members are equal.
template
inline bool
operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
{ return __x.first == __y.first && __x.second == __y.second; }
///
template
inline bool
operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
{ return __x.first < __y.first
|| (!(__y.first < __x.first) && __x.second < __y.second); }
/// Uses @c operator== to find the result.
template
inline bool
operator!=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
{ return !(__x == __y); }
/// Uses @c operator< to find the result.
template
inline bool
operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
{ return __y < __x; }
/// Uses @c operator< to find the result.
template
inline bool
operator<=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
{ return !(__y < __x); }
/// Uses @c operator< to find the result.
template
inline bool
operator>=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
{ return !(__x < __y); }
#ifdef __GXX_EXPERIMENTAL_CXX0X__
/// See std::pair::swap().
// Note: no std::swap overloads in C++03 mode, this has performance
// implications, see, eg, libstdc++/38466.
template
inline void
swap(pair<_T1, _T2>& __x, pair<_T1, _T2>& __y)
{ __x.swap(__y); }
template
inline void
swap(pair<_T1, _T2>&& __x, pair<_T1, _T2>& __y)
{ __x.swap(__y); }
template
inline void
swap(pair<_T1, _T2>& __x, pair<_T1, _T2>&& __y)
{ __x.swap(__y); }
#endif
/**
* @brief A convenience wrapper for creating a pair from two objects.
* @param x The first object.
* @param y The second object.
* @return A newly-constructed pair<> object of the appropriate type.
*
* The standard requires that the objects be passed by reference-to-const,
* but LWG issue #181 says they should be passed by const value. We follow
* the LWG by default.
*/
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 181. make_pair() unintended behavior
#ifndef __GXX_EXPERIMENTAL_CXX0X__
template
inline pair<_T1, _T2>
make_pair(_T1 __x, _T2 __y)
{ return pair<_T1, _T2>(__x, __y); }
#else
template
class reference_wrapper;
// Helper which adds a reference to a type when given a reference_wrapper
template
struct __strip_reference_wrapper
{
typedef _Tp __type;
};
template
struct __strip_reference_wrapper >
{
typedef _Tp& __type;
};
template
struct __strip_reference_wrapper