gslice_array.h

Go to the documentation of this file.
00001 // The template and inlines for the -*- C++ -*- gslice_array class. 00002 00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 2, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // You should have received a copy of the GNU General Public License along 00017 // with this library; see the file COPYING. If not, write to the Free 00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 00019 // USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 00029 00030 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr> 00031 00032 /** @file gslice_array.h 00033 * This is an internal header file, included by other library headers. 00034 * You should not attempt to use it directly. 00035 */ 00036 00037 #ifndef _CPP_BITS_GSLICE_ARRAY 00038 #define _CPP_BITS_GSLICE_ARRAY 1 00039 00040 #pragma GCC system_header 00041 00042 namespace std { 00043 00044 template<typename _Tp> 00045 class gslice_array 00046 { 00047 public: 00048 typedef _Tp value_type; 00049 00050 void operator=(const valarray<_Tp>&) const; 00051 void operator*=(const valarray<_Tp>&) const; 00052 void operator/=(const valarray<_Tp>&) const; 00053 void operator%=(const valarray<_Tp>&) const; 00054 void operator+=(const valarray<_Tp>&) const; 00055 void operator-=(const valarray<_Tp>&) const; 00056 void operator^=(const valarray<_Tp>&) const; 00057 void operator&=(const valarray<_Tp>&) const; 00058 void operator|=(const valarray<_Tp>&) const; 00059 void operator<<=(const valarray<_Tp>&) const; 00060 void operator>>=(const valarray<_Tp>&) const; 00061 void operator=(const _Tp&) const; 00062 00063 template<class _Dom> 00064 void operator=(const _Expr<_Dom,_Tp>&) const; 00065 template<class _Dom> 00066 void operator*=(const _Expr<_Dom,_Tp>&) const; 00067 template<class _Dom> 00068 void operator/=(const _Expr<_Dom,_Tp>&) const; 00069 template<class _Dom> 00070 void operator%=(const _Expr<_Dom,_Tp>&) const; 00071 template<class _Dom> 00072 void operator+=(const _Expr<_Dom,_Tp>&) const; 00073 template<class _Dom> 00074 void operator-=(const _Expr<_Dom,_Tp>&) const; 00075 template<class _Dom> 00076 void operator^=(const _Expr<_Dom,_Tp>&) const; 00077 template<class _Dom> 00078 void operator&=(const _Expr<_Dom,_Tp>&) const; 00079 template<class _Dom> 00080 void operator|=(const _Expr<_Dom,_Tp>&) const; 00081 template<class _Dom> 00082 void operator<<=(const _Expr<_Dom,_Tp>&) const; 00083 template<class _Dom> 00084 void operator>>=(const _Expr<_Dom,_Tp>&) const; 00085 00086 private: 00087 _Array<_Tp> _M_array; 00088 const valarray<size_t>& _M_index; 00089 00090 friend class valarray<_Tp>; 00091 00092 gslice_array(_Array<_Tp>, const valarray<size_t>&); 00093 00094 // this constructor needs to be implemented. 00095 gslice_array(const gslice_array&); 00096 00097 // not implemented 00098 gslice_array(); 00099 gslice_array& operator= (const gslice_array&); 00100 }; 00101 00102 template<typename _Tp> 00103 inline 00104 gslice_array<_Tp>::gslice_array(_Array<_Tp> __a, 00105 const valarray<size_t>& __i) 00106 : _M_array(__a), _M_index(__i) {} 00107 00108 00109 template<typename _Tp> 00110 inline 00111 gslice_array<_Tp>::gslice_array(const gslice_array<_Tp>& __a) 00112 : _M_array(__a._M_array), _M_index(__a._M_index) {} 00113 00114 00115 template<typename _Tp> 00116 inline void 00117 gslice_array<_Tp>::operator=(const _Tp& __t) const 00118 { 00119 __valarray_fill(_M_array, _Array<size_t>(_M_index), 00120 _M_index.size(), __t); 00121 } 00122 00123 template<typename _Tp> 00124 inline void 00125 gslice_array<_Tp>::operator=(const valarray<_Tp>& __v) const 00126 { 00127 __valarray_copy(_Array<_Tp>(__v), __v.size(), 00128 _M_array, _Array<size_t>(_M_index)); 00129 } 00130 00131 template<typename _Tp> 00132 template<class _Dom> 00133 inline void 00134 gslice_array<_Tp>::operator=(const _Expr<_Dom, _Tp>& __e) const 00135 { 00136 __valarray_copy (__e, _M_index.size(), _M_array, 00137 _Array<size_t>(_M_index)); 00138 } 00139 00140 #undef _DEFINE_VALARRAY_OPERATOR 00141 #define _DEFINE_VALARRAY_OPERATOR(_Op, _Name) \ 00142 template<typename _Tp> \ 00143 inline void \ 00144 gslice_array<_Tp>::operator _Op##=(const valarray<_Tp>& __v) const \ 00145 { \ 00146 _Array_augmented_##_Name(_M_array, _Array<size_t>(_M_index), \ 00147 _Array<_Tp>(__v), __v.size()); \ 00148 } \ 00149 \ 00150 template<typename _Tp> \ 00151 template<class _Dom> \ 00152 inline void \ 00153 gslice_array<_Tp>::operator _Op##= (const _Expr<_Dom, _Tp>& __e) const\ 00154 { \ 00155 _Array_augmented_##_Name(_M_array, _Array<size_t>(_M_index), __e,\ 00156 _M_index.size()); \ 00157 } 00158 00159 _DEFINE_VALARRAY_OPERATOR(*, __multiplies) 00160 _DEFINE_VALARRAY_OPERATOR(/, __divides) 00161 _DEFINE_VALARRAY_OPERATOR(%, __modulus) 00162 _DEFINE_VALARRAY_OPERATOR(+, __plus) 00163 _DEFINE_VALARRAY_OPERATOR(-, __minus) 00164 _DEFINE_VALARRAY_OPERATOR(^, __bitwise_xor) 00165 _DEFINE_VALARRAY_OPERATOR(&, __bitwise_and) 00166 _DEFINE_VALARRAY_OPERATOR(|, __bitwise_or) 00167 _DEFINE_VALARRAY_OPERATOR(<<, __shift_left) 00168 _DEFINE_VALARRAY_OPERATOR(>>, __shift_right) 00169 00170 #undef _DEFINE_VALARRAY_OPERATOR 00171 00172 } // std:: 00173 00174 #endif /* _CPP_BITS_GSLICE_ARRAY */ 00175 00176 // Local Variables: 00177 // mode:c++ 00178 // End:

Generated on Sun Sep 19 16:33:49 2004 for libstdc++-v3 Source by doxygen 1.3.8