1// TR1 complex -*- C++ -*-
2
3// Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library.  This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23// <http://www.gnu.org/licenses/>.
24
25/** @file tr1/complex
26 *  This is a TR1 C++ Library header. 
27 */
28
29#ifndef _GLIBCXX_TR1_COMPLEX
30#define _GLIBCXX_TR1_COMPLEX 1
31
32#pragma GCC system_header
33
34#if defined(_GLIBCXX_INCLUDE_AS_CXX0X)
35#  error TR1 header cannot be included from C++0x header
36#endif
37
38#include <complex>
39
40#if defined(_GLIBCXX_INCLUDE_AS_TR1)
41#  include <tr1_impl/complex>
42#else
43#  define _GLIBCXX_INCLUDE_AS_TR1
44#  define _GLIBCXX_BEGIN_NAMESPACE_TR1 namespace tr1 {
45#  define _GLIBCXX_END_NAMESPACE_TR1 }
46#  define _GLIBCXX_TR1 tr1::
47#  include <tr1_impl/complex>
48#  undef _GLIBCXX_TR1
49#  undef _GLIBCXX_END_NAMESPACE_TR1
50#  undef _GLIBCXX_BEGIN_NAMESPACE_TR1
51#  undef _GLIBCXX_INCLUDE_AS_TR1
52#endif
53
54namespace std
55{
56namespace tr1
57{
58  using std::arg;
59
60  template<typename _Tp>
61    inline std::complex<_Tp>
62    conj(const std::complex<_Tp>& __z)
63    { return std::conj(__z); }  
64
65  template<typename _Tp>
66    inline std::complex<typename __gnu_cxx::__promote<_Tp>::__type>
67    conj(_Tp __x)
68    { return __x; }
69
70  using std::imag;
71  using std::norm;
72  using std::polar;
73
74  template<typename _Tp, typename _Up>
75    inline std::complex<typename __gnu_cxx::__promote_2<_Tp, _Up>::__type>
76    polar(const _Tp& __rho, const _Up& __theta)
77    {
78      typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
79      return std::polar(__type(__rho), __type(__theta));
80    }
81
82  using std::real;
83
84  template<typename _Tp>
85    inline std::complex<_Tp>
86    pow(const std::complex<_Tp>& __x, const _Tp& __y)
87    { return std::pow(__x, __y); }
88
89  template<typename _Tp>
90    inline std::complex<_Tp>
91    pow(const _Tp& __x, const std::complex<_Tp>& __y)
92    { return std::pow(__x, __y); }
93
94  template<typename _Tp>
95    inline std::complex<_Tp>
96    pow(const std::complex<_Tp>& __x, const std::complex<_Tp>& __y)
97    { return std::pow(__x, __y); }
98}
99}
100
101#endif // _GLIBCXX_TR1_COMPLEX
102