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„™¿ÁÀ 0' // TR1 complex -*- C++ -*-
// Copyright (C) 2006-2013 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 tr1/complex
* This is a TR1 C++ Library header.
*/
#ifndef _GLIBCXX_TR1_COMPLEX
#define _GLIBCXX_TR1_COMPLEX 1
#pragma GCC system_header
#include
namespace std _GLIBCXX_VISIBILITY(default)
{
namespace tr1
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
/**
* @addtogroup complex_numbers
* @{
*/
#if __cplusplus >= 201103L
using std::acos;
using std::asin;
using std::atan;
#else
template std::complex<_Tp> acos(const std::complex<_Tp>&);
template std::complex<_Tp> asin(const std::complex<_Tp>&);
template std::complex<_Tp> atan(const std::complex<_Tp>&);
#endif
template std::complex<_Tp> acosh(const std::complex<_Tp>&);
template std::complex<_Tp> asinh(const std::complex<_Tp>&);
template std::complex<_Tp> atanh(const std::complex<_Tp>&);
// The std::fabs return type in C++0x mode is different (just _Tp).
template std::complex<_Tp> fabs(const std::complex<_Tp>&);
#if __cplusplus < 201103L
template
inline std::complex<_Tp>
__complex_acos(const std::complex<_Tp>& __z)
{
const std::complex<_Tp> __t = std::tr1::asin(__z);
const _Tp __pi_2 = 1.5707963267948966192313216916397514L;
return std::complex<_Tp>(__pi_2 - __t.real(), -__t.imag());
}
#if _GLIBCXX_USE_C99_COMPLEX_TR1
inline __complex__ float
__complex_acos(__complex__ float __z)
{ return __builtin_cacosf(__z); }
inline __complex__ double
__complex_acos(__complex__ double __z)
{ return __builtin_cacos(__z); }
inline __complex__ long double
__complex_acos(const __complex__ long double& __z)
{ return __builtin_cacosl(__z); }
template
inline std::complex<_Tp>
acos(const std::complex<_Tp>& __z)
{ return __complex_acos(__z.__rep()); }
#else
/// acos(__z) [8.1.2].
// Effects: Behaves the same as C99 function cacos, defined
// in subclause 7.3.5.1.
template
inline std::complex<_Tp>
acos(const std::complex<_Tp>& __z)
{ return __complex_acos(__z); }
#endif
template
inline std::complex<_Tp>
__complex_asin(const std::complex<_Tp>& __z)
{
std::complex<_Tp> __t(-__z.imag(), __z.real());
__t = std::tr1::asinh(__t);
return std::complex<_Tp>(__t.imag(), -__t.real());
}
#if _GLIBCXX_USE_C99_COMPLEX_TR1
inline __complex__ float
__complex_asin(__complex__ float __z)
{ return __builtin_casinf(__z); }
inline __complex__ double
__complex_asin(__complex__ double __z)
{ return __builtin_casin(__z); }
inline __complex__ long double
__complex_asin(const __complex__ long double& __z)
{ return __builtin_casinl(__z); }
template
inline std::complex<_Tp>
asin(const std::complex<_Tp>& __z)
{ return __complex_asin(__z.__rep()); }
#else
/// asin(__z) [8.1.3