libstdc++
tr1/complex
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1 // TR1 complex -*- C++ -*-
2 
3 // Copyright (C) 2006, 2007, 2008, 2009 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 
54 namespace std
55 {
56 namespace tr1
57 {
58  using std::arg;
59  using std::conj;
60  using std::imag;
61  using std::norm;
62  using std::polar;
63 
64  template<typename _Tp, typename _Up>
66  polar(const _Tp& __rho, const _Up& __theta)
67  {
68  typedef typename __gnu_cxx::__promote_2<_Tp, _Up>::__type __type;
69  return std::polar(__type(__rho), __type(__theta));
70  }
71 
72  using std::real;
73 
74  template<typename _Tp>
75  inline std::complex<_Tp>
76  pow(const std::complex<_Tp>& __x, const _Tp& __y)
77  { return std::pow(__x, __y); }
78 
79  template<typename _Tp>
80  inline std::complex<_Tp>
81  pow(const _Tp& __x, const std::complex<_Tp>& __y)
82  { return std::pow(__x, __y); }
83 
84  template<typename _Tp>
85  inline std::complex<_Tp>
86  pow(const std::complex<_Tp>& __x, const std::complex<_Tp>& __y)
87  { return std::pow(__x, __y); }
88 }
89 }
90 
91 #endif // _GLIBCXX_TR1_COMPLEX