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complex revision 1.1.1.1 
      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 
     54 namespace std
     55 {
     56 namespace 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