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4680 | right-hear | 1 | // The template and inlines for the -*- C++ -*- internal _Meta class. |
2 | |||
3 | // Copyright (C) 1997-1999, 2000, 2001 Free Software Foundation, Inc. |
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4 | // |
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5 | // This file is part of the GNU ISO C++ Library. This library is free |
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6 | // software; you can redistribute it and/or modify it under the |
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7 | // terms of the GNU General Public License as published by the |
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8 | // Free Software Foundation; either version 2, or (at your option) |
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9 | // any later version. |
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10 | |||
11 | // This library is distributed in the hope that it will be useful, |
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12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | // GNU General Public License for more details. |
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15 | |||
16 | // You should have received a copy of the GNU General Public License along |
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17 | // with this library; see the file COPYING. If not, write to the Free |
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18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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19 | // USA. |
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20 | |||
21 | // As a special exception, you may use this file as part of a free software |
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22 | // library without restriction. Specifically, if other files instantiate |
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23 | // templates or use macros or inline functions from this file, or you compile |
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24 | // this file and link it with other files to produce an executable, this |
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25 | // file does not by itself cause the resulting executable to be covered by |
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26 | // the GNU General Public License. This exception does not however |
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27 | // invalidate any other reasons why the executable file might be covered by |
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28 | // the GNU General Public License. |
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29 | |||
30 | // Written by Gabriel Dos Reis |
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31 | |||
32 | #ifndef _CPP_VALARRAY_META_H |
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33 | #define _CPP_VALARRAY_META_H 1 |
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34 | |||
35 | #pragma GCC system_header |
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36 | |||
37 | namespace std |
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38 | { |
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39 | |||
40 | // |
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41 | // Implementing a loosened valarray return value is tricky. |
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42 | // First we need to meet 26.3.1/3: we should not add more than |
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43 | // two levels of template nesting. Therefore we resort to template |
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44 | // template to "flatten" loosened return value types. |
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45 | // At some point we use partial specialization to remove one level |
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46 | // template nesting due to _Expr<> |
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47 | // |
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48 | |||
49 | |||
50 | // This class is NOT defined. It doesn't need to. |
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51 | template |
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52 | |||
53 | // |
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54 | // Unary function application closure. |
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55 | // |
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56 | template |
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57 | public: |
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58 | typedef typename _Dom::value_type value_type; |
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59 | typedef value_type _Vt; |
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60 | |||
61 | _UnFunBase (const _Dom& __e, _Vt __f(_Vt)) |
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62 | : _M_expr(__e), _M_func(__f) {} |
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63 | |||
64 | _Vt operator[] (size_t __i) const { return _M_func(_M_expr[__i]); } |
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65 | size_t size () const { return _M_expr.size(); } |
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66 | |||
67 | private: |
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68 | const _Dom& _M_expr; |
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69 | _Vt (*_M_func)(_Vt); |
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70 | }; |
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71 | |||
72 | template class _Meta, class _Dom> |
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73 | class _UnFunClos; |
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74 | |||
75 | template |
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76 | struct _UnFunClos<_Expr,_Dom> : _UnFunBase<_Dom> { |
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77 | typedef _UnFunBase<_Dom> _Base; |
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78 | typedef typename _Base::value_type value_type; |
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79 | |||
80 | _UnFunClos (const _Dom& __e, value_type __f(value_type)) |
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81 | : _Base (__e, __f) {} |
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82 | }; |
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83 | |||
84 | template |
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85 | struct _UnFunClos<_ValArray,_Tp> : _UnFunBase |
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86 | typedef _UnFunBase |
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87 | typedef typename _Base::value_type value_type; |
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88 | |||
89 | _UnFunClos (const valarray<_Tp>& __v, _Tp __f(_Tp)) |
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90 | : _Base (__v, __f) {} |
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91 | }; |
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92 | |||
93 | // |
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94 | // Binary function application closure. |
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95 | // |
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96 | template class _Meta1, |
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97 | template |
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98 | class _Dom1, class _Dom2> class _BinFunClos; |
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99 | |||
100 | template |
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101 | public: |
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102 | typedef typename _Dom1::value_type value_type; |
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103 | typedef value_type _Vt; |
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104 | |||
105 | _BinFunBase (const _Dom1& __e1, const _Dom2& __e2, |
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106 | _Vt __f (_Vt, _Vt)) |
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107 | : _M_expr1 (__e1), _M_expr2 (__e2), _M_func (__f) {} |
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108 | |||
109 | value_type operator[] (size_t __i) const |
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110 | { return _M_func (_M_expr1[__i], _M_expr2[__i]); } |
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111 | size_t size () const { return _M_expr1.size (); } |
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112 | |||
113 | private: |
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114 | const _Dom1& _M_expr1; |
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115 | const _Dom2& _M_expr2; |
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116 | _Vt (*_M_func)(_Vt, _Vt); |
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117 | }; |
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118 | |||
119 | template |
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120 | public: |
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121 | typedef typename _Dom::value_type value_type ; |
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122 | typedef value_type _Vt; |
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123 | |||
124 | _BinFunBase1 (const _Vt& __c, const _Dom& __e, _Vt __f(_Vt, _Vt)) |
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125 | : _M_expr1 (__c), _M_expr2 (__e), _M_func (__f) {} |
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126 | |||
127 | value_type operator[] (size_t __i) const |
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128 | { return _M_func (_M_expr1, _M_expr2[__i]); } |
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129 | size_t size () const { return _M_expr2.size (); } |
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130 | |||
131 | private: |
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132 | const _Vt& _M_expr1; |
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133 | const _Dom& _M_expr2; |
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134 | _Vt (*_M_func)(_Vt, _Vt); |
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135 | }; |
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136 | |||
137 | template |
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138 | public: |
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139 | typedef typename _Dom::value_type value_type; |
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140 | typedef value_type _Vt; |
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141 | |||
142 | _BinFunBase2 (const _Dom& __e, const _Vt& __c, _Vt __f(_Vt, _Vt)) |
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143 | : _M_expr1 (__e), _M_expr2 (__c), _M_func (__f) {} |
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144 | |||
145 | value_type operator[] (size_t __i) const |
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146 | { return _M_func (_M_expr1[__i], _M_expr2); } |
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147 | size_t size () const { return _M_expr1.size (); } |
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148 | |||
149 | private: |
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150 | const _Dom& _M_expr1; |
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151 | const _Vt& _M_expr2; |
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152 | _Vt (*_M_func)(_Vt, _Vt); |
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153 | }; |
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154 | |||
155 | template |
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156 | struct _BinFunClos<_Expr,_Expr,_Dom1,_Dom2> : _BinFunBase<_Dom1,_Dom2> { |
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157 | typedef _BinFunBase<_Dom1,_Dom2> _Base; |
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158 | typedef typename _Base::value_type value_type; |
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159 | typedef value_type _Tp; |
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160 | |||
161 | _BinFunClos (const _Dom1& __e1, const _Dom2& __e2, |
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162 | _Tp __f(_Tp, _Tp)) |
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163 | : _Base (__e1, __e2, __f) {} |
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164 | }; |
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165 | |||
166 | template |
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167 | struct _BinFunClos<_ValArray,_ValArray,_Tp,_Tp> |
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168 | : _BinFunBase |
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169 | typedef _BinFunBase |
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170 | typedef _Tp value_type; |
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171 | |||
172 | _BinFunClos (const valarray<_Tp>& __v, const valarray<_Tp>& __w, |
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173 | _Tp __f(_Tp, _Tp)) |
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174 | : _Base (__v, __w, __f) {} |
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175 | }; |
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176 | |||
177 | template |
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178 | struct _BinFunClos<_Expr,_ValArray,_Dom,typename _Dom::value_type> |
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179 | : _BinFunBase<_Dom,valarray |
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180 | typedef typename _Dom::value_type _Tp; |
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181 | typedef _BinFunBase<_Dom,valarray<_Tp> > _Base; |
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182 | typedef _Tp value_type; |
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183 | |||
184 | _BinFunClos (const _Dom& __e, const valarray<_Tp>& __v, |
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185 | _Tp __f(_Tp, _Tp)) |
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186 | : _Base (__e, __v, __f) {} |
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187 | }; |
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188 | |||
189 | template |
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190 | struct _BinFunClos<_ValArray,_Expr,typename _Dom::value_type,_Dom> |
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191 | : _BinFunBase |
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192 | typedef typename _Dom::value_type _Tp; |
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193 | typedef _BinFunBase<_Dom,valarray<_Tp> > _Base; |
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194 | typedef _Tp value_type; |
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195 | |||
196 | _BinFunClos (const valarray<_Tp>& __v, const _Dom& __e, |
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197 | _Tp __f(_Tp, _Tp)) |
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198 | : _Base (__v, __e, __f) {} |
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199 | }; |
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200 | |||
201 | template |
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202 | struct _BinFunClos<_Expr,_Constant,_Dom,typename _Dom::value_type> |
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203 | : _BinFunBase2<_Dom> { |
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204 | typedef typename _Dom::value_type _Tp; |
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205 | typedef _Tp value_type; |
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206 | typedef _BinFunBase2<_Dom> _Base; |
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207 | |||
208 | _BinFunClos (const _Dom& __e, const _Tp& __t, _Tp __f (_Tp, _Tp)) |
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209 | : _Base (__e, __t, __f) {} |
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210 | }; |
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211 | |||
212 | template |
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213 | struct _BinFunClos<_Constant,_Expr,_Dom,typename _Dom::value_type> |
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214 | : _BinFunBase1<_Dom> { |
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215 | typedef typename _Dom::value_type _Tp; |
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216 | typedef _Tp value_type; |
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217 | typedef _BinFunBase1<_Dom> _Base; |
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218 | |||
219 | _BinFunClos (const _Tp& __t, const _Dom& __e, _Tp __f (_Tp, _Tp)) |
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220 | : _Base (__t, __e, __f) {} |
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221 | }; |
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222 | |||
223 | template |
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224 | struct _BinFunClos<_ValArray,_Constant,_Tp,_Tp> |
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225 | : _BinFunBase2 |
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226 | typedef _BinFunBase2 |
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227 | typedef _Tp value_type; |
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228 | |||
229 | _BinFunClos (const valarray<_Tp>& __v, const _Tp& __t, |
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230 | _Tp __f(_Tp, _Tp)) |
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231 | : _Base (__v, __t, __f) {} |
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232 | }; |
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233 | |||
234 | template |
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235 | struct _BinFunClos<_Constant,_ValArray,_Tp,_Tp> |
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236 | : _BinFunBase1 |
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237 | typedef _BinFunBase1 |
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238 | typedef _Tp value_type; |
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239 | |||
240 | _BinFunClos (const _Tp& __t, const valarray<_Tp>& __v, |
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241 | _Tp __f (_Tp, _Tp)) |
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242 | : _Base (__t, __v, __f) {} |
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243 | }; |
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244 | |||
245 | // |
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246 | // Apply function taking a value/const reference closure |
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247 | // |
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248 | |||
249 | template |
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250 | public: |
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251 | typedef typename _Dom::value_type value_type; |
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252 | |||
253 | _FunBase (const _Dom& __e, value_type __f(_Arg)) |
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254 | : _M_expr (__e), _M_func (__f) {} |
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255 | |||
256 | value_type operator[] (size_t __i) const |
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257 | { return _M_func (_M_expr[__i]); } |
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258 | size_t size() const { return _M_expr.size ();} |
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259 | |||
260 | private: |
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261 | const _Dom& _M_expr; |
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262 | value_type (*_M_func)(_Arg); |
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263 | }; |
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264 | |||
265 | template |
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266 | struct _ValFunClos<_Expr,_Dom> |
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267 | : _FunBase<_Dom, typename _Dom::value_type> { |
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268 | typedef _FunBase<_Dom, typename _Dom::value_type> _Base; |
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269 | typedef typename _Base::value_type value_type; |
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270 | typedef value_type _Tp; |
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271 | |||
272 | _ValFunClos (const _Dom& __e, _Tp __f (_Tp)) : _Base (__e, __f) {} |
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273 | }; |
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274 | |||
275 | template |
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276 | struct _ValFunClos<_ValArray,_Tp> |
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277 | : _FunBase |
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278 | typedef _FunBase |
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279 | typedef _Tp value_type; |
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280 | |||
281 | _ValFunClos (const valarray<_Tp>& __v, _Tp __f(_Tp)) |
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282 | : _Base (__v, __f) {} |
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283 | }; |
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284 | |||
285 | template |
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286 | struct _RefFunClos<_Expr,_Dom> : |
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287 | _FunBase<_Dom, const typename _Dom::value_type&> { |
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288 | typedef _FunBase<_Dom, const typename _Dom::value_type&> _Base; |
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289 | typedef typename _Base::value_type value_type; |
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290 | typedef value_type _Tp; |
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291 | |||
292 | _RefFunClos (const _Dom& __e, _Tp __f (const _Tp&)) |
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293 | : _Base (__e, __f) {} |
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294 | }; |
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295 | |||
296 | template |
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297 | struct _RefFunClos<_ValArray,_Tp> |
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298 | : _FunBase |
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299 | typedef _FunBase |
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300 | typedef _Tp value_type; |
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301 | |||
302 | _RefFunClos (const valarray<_Tp>& __v, _Tp __f(const _Tp&)) |
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303 | : _Base (__v, __f) {} |
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304 | }; |
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305 | |||
306 | // |
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307 | // Unary expression closure. |
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308 | // |
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309 | |||
310 | template class _Oper, typename _Arg> |
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311 | class _UnBase { |
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312 | public: |
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313 | typedef _Oper |
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314 | typedef typename _Op::result_type value_type; |
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315 | |||
316 | _UnBase (const _Arg& __e) : _M_expr(__e) {} |
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317 | value_type operator[] (size_t) const; |
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318 | size_t size () const { return _M_expr.size (); } |
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319 | |||
320 | private: |
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321 | const _Arg& _M_expr; |
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322 | }; |
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323 | |||
324 | template class _Oper, typename _Arg> |
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325 | inline typename _UnBase<_Oper, _Arg>::value_type |
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326 | _UnBase<_Oper, _Arg>::operator[] (size_t __i) const |
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327 | { return _Op() (_M_expr[__i]); } |
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328 | |||
329 | template class _Oper, class _Dom> |
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330 | struct _UnClos<_Oper, _Expr, _Dom> : _UnBase<_Oper, _Dom> { |
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331 | typedef _Dom _Arg; |
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332 | typedef _UnBase<_Oper, _Dom> _Base; |
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333 | typedef typename _Base::value_type value_type; |
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334 | |||
335 | _UnClos (const _Arg& __e) : _Base(__e) {} |
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336 | }; |
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337 | |||
338 | template class _Oper, typename _Tp> |
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339 | struct _UnClos<_Oper, _ValArray, _Tp> : _UnBase<_Oper, valarray<_Tp> > { |
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340 | typedef valarray<_Tp> _Arg; |
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341 | typedef _UnBase<_Oper, valarray<_Tp> > _Base; |
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342 | typedef typename _Base::value_type value_type; |
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343 | |||
344 | _UnClos (const _Arg& __e) : _Base(__e) {} |
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345 | }; |
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346 | |||
347 | |||
348 | // |
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349 | // Binary expression closure. |
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350 | // |
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351 | |||
352 | template class _Oper, |
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353 | typename _FirstArg, typename _SecondArg> |
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354 | class _BinBase { |
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355 | public: |
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356 | typedef _Oper |
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357 | typedef typename _Op::result_type value_type; |
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358 | |||
359 | _BinBase (const _FirstArg& __e1, const _SecondArg& __e2) |
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360 | : _M_expr1 (__e1), _M_expr2 (__e2) {} |
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361 | value_type operator[] (size_t) const; |
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362 | size_t size () const { return _M_expr1.size (); } |
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363 | |||
364 | private: |
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365 | const _FirstArg& _M_expr1; |
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366 | const _SecondArg& _M_expr2; |
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367 | }; |
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368 | |||
369 | template class _Oper, |
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370 | typename _FirstArg, typename _SecondArg> |
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371 | inline typename _BinBase<_Oper,_FirstArg,_SecondArg>::value_type |
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372 | _BinBase<_Oper,_FirstArg,_SecondArg>::operator[] (size_t __i) const |
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373 | { return _Op() (_M_expr1[__i], _M_expr2[__i]); } |
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374 | |||
375 | |||
376 | template class _Oper, class _Clos> |
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377 | class _BinBase2 { |
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378 | public: |
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379 | typedef typename _Clos::value_type _Vt; |
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380 | typedef _Oper<_Vt> _Op; |
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381 | typedef typename _Op::result_type value_type; |
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382 | |||
383 | _BinBase2 (const _Clos& __e, const _Vt& __t) |
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384 | : _M_expr1 (__e), _M_expr2 (__t) {} |
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385 | value_type operator[] (size_t) const; |
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386 | size_t size () const { return _M_expr1.size (); } |
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387 | |||
388 | private: |
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389 | const _Clos& _M_expr1; |
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390 | const _Vt& _M_expr2; |
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391 | }; |
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392 | |||
393 | template class _Oper, class _Clos> |
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394 | inline typename _BinBase2<_Oper,_Clos>::value_type |
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395 | _BinBase2<_Oper,_Clos>::operator[] (size_t __i) const |
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396 | { return _Op() (_M_expr1[__i], _M_expr2); } |
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397 | |||
398 | |||
399 | template class _Oper, class _Clos> |
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400 | class _BinBase1 { |
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401 | public: |
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402 | typedef typename _Clos::value_type _Vt; |
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403 | typedef _Oper<_Vt> _Op; |
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404 | typedef typename _Op::result_type value_type; |
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405 | |||
406 | _BinBase1 (const _Vt& __t, const _Clos& __e) |
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407 | : _M_expr1 (__t), _M_expr2 (__e) {} |
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408 | value_type operator[] (size_t) const; |
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409 | size_t size () const { return _M_expr2.size (); } |
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410 | |||
411 | private: |
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412 | const _Vt& _M_expr1; |
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413 | const _Clos& _M_expr2; |
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414 | }; |
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415 | |||
416 | template class _Oper, class _Clos> |
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417 | inline typename |
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418 | _BinBase1<_Oper,_Clos>::value_type |
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419 | _BinBase1<_Oper,_Clos>:: operator[] (size_t __i) const |
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420 | { return _Op() (_M_expr1, _M_expr2[__i]); } |
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421 | |||
422 | |||
423 | template class _Oper, class _Dom1, class _Dom2> |
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424 | struct _BinClos<_Oper, _Expr, _Expr, _Dom1, _Dom2> |
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425 | : _BinBase<_Oper,_Dom1,_Dom2> { |
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426 | typedef _BinBase<_Oper,_Dom1,_Dom2> _Base; |
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427 | typedef typename _Base::value_type value_type; |
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428 | |||
429 | _BinClos(const _Dom1& __e1, const _Dom2& __e2) : _Base(__e1, __e2) {} |
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430 | }; |
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431 | |||
432 | template class _Oper, typename _Tp> |
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433 | struct _BinClos<_Oper,_ValArray,_ValArray,_Tp,_Tp> |
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434 | : _BinBase<_Oper,valarray<_Tp>,valarray<_Tp> > { |
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435 | typedef _BinBase<_Oper,valarray<_Tp>,valarray<_Tp> > _Base; |
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436 | typedef _Tp value_type; |
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437 | |||
438 | _BinClos (const valarray<_Tp>& __v, const valarray<_Tp>& __w) |
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439 | : _Base (__v, __w) {} |
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440 | }; |
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441 | |||
442 | template class _Oper, class _Dom> |
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443 | struct _BinClos<_Oper,_Expr,_ValArray,_Dom,typename _Dom::value_type> |
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444 | : _BinBase<_Oper,_Dom,valarray |
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445 | typedef typename _Dom::value_type _Tp; |
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446 | typedef _BinBase<_Oper,_Dom,valarray<_Tp> > _Base; |
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447 | typedef typename _Base::value_type value_type; |
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448 | |||
449 | _BinClos(const _Dom& __e1, const valarray<_Tp>& __e2) |
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450 | : _Base (__e1, __e2) {} |
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451 | }; |
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452 | |||
453 | template class _Oper, class _Dom> |
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454 | struct _BinClos<_Oper,_ValArray,_Expr,typename _Dom::value_type,_Dom> |
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455 | : _BinBase<_Oper,valarray |
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456 | typedef typename _Dom::value_type _Tp; |
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457 | typedef _BinBase<_Oper,valarray<_Tp>,_Dom> _Base; |
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458 | typedef typename _Base::value_type value_type; |
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459 | |||
460 | _BinClos (const valarray<_Tp>& __e1, const _Dom& __e2) |
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461 | : _Base (__e1, __e2) {} |
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462 | }; |
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463 | |||
464 | template class _Oper, class _Dom> |
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465 | struct _BinClos<_Oper,_Expr,_Constant,_Dom,typename _Dom::value_type> |
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466 | : _BinBase2<_Oper,_Dom> { |
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467 | typedef typename _Dom::value_type _Tp; |
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468 | typedef _BinBase2<_Oper,_Dom> _Base; |
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469 | typedef typename _Base::value_type value_type; |
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470 | |||
471 | _BinClos (const _Dom& __e1, const _Tp& __e2) : _Base (__e1, __e2) {} |
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472 | }; |
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473 | |||
474 | template class _Oper, class _Dom> |
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475 | struct _BinClos<_Oper,_Constant,_Expr,typename _Dom::value_type,_Dom> |
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476 | : _BinBase1<_Oper,_Dom> { |
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477 | typedef typename _Dom::value_type _Tp; |
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478 | typedef _BinBase1<_Oper,_Dom> _Base; |
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479 | typedef typename _Base::value_type value_type; |
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480 | |||
481 | _BinClos (const _Tp& __e1, const _Dom& __e2) : _Base (__e1, __e2) {} |
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482 | }; |
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483 | |||
484 | template class _Oper, typename _Tp> |
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485 | struct _BinClos<_Oper,_ValArray,_Constant,_Tp,_Tp> |
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486 | : _BinBase2<_Oper,valarray<_Tp> > { |
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487 | typedef _BinBase2<_Oper,valarray<_Tp> > _Base; |
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488 | typedef typename _Base::value_type value_type; |
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489 | |||
490 | _BinClos (const valarray<_Tp>& __v, const _Tp& __t) |
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491 | : _Base (__v, __t) {} |
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492 | }; |
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493 | |||
494 | template class _Oper, typename _Tp> |
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495 | struct _BinClos<_Oper,_Constant,_ValArray,_Tp,_Tp> |
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496 | : _BinBase1<_Oper,valarray<_Tp> > { |
||
497 | typedef _BinBase1<_Oper,valarray<_Tp> > _Base; |
||
498 | typedef typename _Base::value_type value_type; |
||
499 | |||
500 | _BinClos (const _Tp& __t, const valarray<_Tp>& __v) |
||
501 | : _Base (__t, __v) {} |
||
502 | }; |
||
503 | |||
504 | |||
505 | // |
||
506 | // slice_array closure. |
||
507 | // |
||
508 | template |
||
509 | public: |
||
510 | typedef typename _Dom::value_type value_type; |
||
511 | |||
512 | _SBase (const _Dom& __e, const slice& __s) |
||
513 | : _M_expr (__e), _M_slice (__s) {} |
||
514 | value_type operator[] (size_t __i) const |
||
515 | { return _M_expr[_M_slice.start () + __i * _M_slice.stride ()]; } |
||
516 | size_t size() const { return _M_slice.size (); } |
||
517 | |||
518 | private: |
||
519 | const _Dom& _M_expr; |
||
520 | const slice& _M_slice; |
||
521 | }; |
||
522 | |||
523 | template |
||
524 | public: |
||
525 | typedef _Tp value_type; |
||
526 | |||
527 | _SBase (_Array<_Tp> __a, const slice& __s) |
||
528 | : _M_array (__a._M_data+__s.start()), _M_size (__s.size()), |
||
529 | _M_stride (__s.stride()) {} |
||
530 | value_type operator[] (size_t __i) const |
||
531 | { return _M_array._M_data[__i * _M_stride]; } |
||
532 | size_t size() const { return _M_size; } |
||
533 | |||
534 | private: |
||
535 | const _Array<_Tp> _M_array; |
||
536 | const size_t _M_size; |
||
537 | const size_t _M_stride; |
||
538 | }; |
||
539 | |||
540 | template |
||
541 | typedef _SBase<_Dom> _Base; |
||
542 | typedef typename _Base::value_type value_type; |
||
543 | |||
544 | _SClos (const _Dom& __e, const slice& __s) : _Base (__e, __s) {} |
||
545 | }; |
||
546 | |||
547 | template |
||
548 | struct _SClos<_ValArray,_Tp> : _SBase<_Array<_Tp> > { |
||
549 | typedef _SBase<_Array<_Tp> > _Base; |
||
550 | typedef _Tp value_type; |
||
551 | |||
552 | _SClos (_Array<_Tp> __a, const slice& __s) : _Base (__a, __s) {} |
||
553 | }; |
||
554 | |||
555 | // |
||
556 | // gslice_array closure. |
||
557 | // |
||
558 | template |
||
559 | public: |
||
560 | typedef typename _Dom::value_type value_type; |
||
561 | |||
562 | _GBase (const _Dom& __e, const valarray |
||
563 | : _M_expr (__e), _M_index(__i) {} |
||
564 | value_type operator[] (size_t __i) const |
||
565 | { return _M_expr[_M_index[__i]]; } |
||
566 | size_t size () const { return _M_index.size(); } |
||
567 | |||
568 | private: |
||
569 | const _Dom& _M_expr; |
||
570 | const valarray |
||
571 | }; |
||
572 | |||
573 | template |
||
574 | public: |
||
575 | typedef _Tp value_type; |
||
576 | |||
577 | _GBase (_Array<_Tp> __a, const valarray |
||
578 | : _M_array (__a), _M_index(__i) {} |
||
579 | value_type operator[] (size_t __i) const |
||
580 | { return _M_array._M_data[_M_index[__i]]; } |
||
581 | size_t size () const { return _M_index.size(); } |
||
582 | |||
583 | private: |
||
584 | const _Array<_Tp> _M_array; |
||
585 | const valarray |
||
586 | }; |
||
587 | |||
588 | template |
||
589 | typedef _GBase<_Dom> _Base; |
||
590 | typedef typename _Base::value_type value_type; |
||
591 | |||
592 | _GClos (const _Dom& __e, const valarray |
||
593 | : _Base (__e, __i) {} |
||
594 | }; |
||
595 | |||
596 | template |
||
597 | struct _GClos<_ValArray,_Tp> : _GBase<_Array<_Tp> > { |
||
598 | typedef _GBase<_Array<_Tp> > _Base; |
||
599 | typedef typename _Base::value_type value_type; |
||
600 | |||
601 | _GClos (_Array<_Tp> __a, const valarray |
||
602 | : _Base (__a, __i) {} |
||
603 | }; |
||
604 | |||
605 | // |
||
606 | // indirect_array closure |
||
607 | // |
||
608 | |||
609 | template |
||
610 | public: |
||
611 | typedef typename _Dom::value_type value_type; |
||
612 | |||
613 | _IBase (const _Dom& __e, const valarray |
||
614 | : _M_expr (__e), _M_index (__i) {} |
||
615 | value_type operator[] (size_t __i) const |
||
616 | { return _M_expr[_M_index[__i]]; } |
||
617 | size_t size() const { return _M_index.size(); } |
||
618 | |||
619 | private: |
||
620 | const _Dom& _M_expr; |
||
621 | const valarray |
||
622 | }; |
||
623 | |||
624 | template |
||
625 | typedef _IBase<_Dom> _Base; |
||
626 | typedef typename _Base::value_type value_type; |
||
627 | |||
628 | _IClos (const _Dom& __e, const valarray |
||
629 | : _Base (__e, __i) {} |
||
630 | }; |
||
631 | |||
632 | template |
||
633 | struct _IClos<_ValArray,_Tp> : _IBase |
||
634 | typedef _IBase |
||
635 | typedef _Tp value_type; |
||
636 | |||
637 | _IClos (const valarray<_Tp>& __a, const valarray |
||
638 | : _Base (__a, __i) {} |
||
639 | }; |
||
640 | |||
641 | // |
||
642 | // class _Expr |
||
643 | // |
||
644 | template |
||
645 | public: |
||
646 | typedef _Tp value_type; |
||
647 | |||
648 | _Expr (const _Clos&); |
||
649 | |||
650 | const _Clos& operator() () const; |
||
651 | |||
652 | value_type operator[] (size_t) const; |
||
653 | valarray |
||
654 | valarray |
||
655 | valarray |
||
656 | valarray |
||
657 | |||
658 | _Expr<_UnClos<_Unary_plus,_Expr,_Clos>, value_type> |
||
659 | operator+ () const; |
||
660 | |||
661 | _Expr<_UnClos |
||
662 | operator- () const; |
||
663 | |||
664 | _Expr<_UnClos<_Bitwise_not,_Expr,_Clos>, value_type> |
||
665 | operator~ () const; |
||
666 | |||
667 | _Expr<_UnClos |
||
668 | operator! () const; |
||
669 | |||
670 | size_t size () const; |
||
671 | value_type sum () const; |
||
672 | |||
673 | valarray |
||
674 | valarray |
||
675 | |||
676 | value_type min() const; |
||
677 | value_type max() const; |
||
678 | |||
679 | valarray |
||
680 | valarray |
||
681 | |||
682 | private: |
||
683 | const _Clos _M_closure; |
||
684 | }; |
||
685 | |||
686 | template |
||
687 | inline |
||
688 | _Expr<_Clos,_Tp>::_Expr (const _Clos& __c) : _M_closure(__c) {} |
||
689 | |||
690 | template |
||
691 | inline const _Clos& |
||
692 | _Expr<_Clos,_Tp>::operator() () const |
||
693 | { return _M_closure; } |
||
694 | |||
695 | template |
||
696 | inline _Tp |
||
697 | _Expr<_Clos,_Tp>::operator[] (size_t __i) const |
||
698 | { return _M_closure[__i]; } |
||
699 | |||
700 | template |
||
701 | inline valarray<_Tp> |
||
702 | _Expr<_Clos,_Tp>::operator[] (slice __s) const |
||
703 | { return _M_closure[__s]; } |
||
704 | |||
705 | template |
||
706 | inline valarray<_Tp> |
||
707 | _Expr<_Clos,_Tp>::operator[] (const gslice& __gs) const |
||
708 | { return _M_closure[__gs]; } |
||
709 | |||
710 | template |
||
711 | inline valarray<_Tp> |
||
712 | _Expr<_Clos,_Tp>::operator[] (const valarray |
||
713 | { return _M_closure[__m]; } |
||
714 | |||
715 | template |
||
716 | inline valarray<_Tp> |
||
717 | _Expr<_Clos,_Tp>::operator[] (const valarray |
||
718 | { return _M_closure[__i]; } |
||
719 | |||
720 | template |
||
721 | inline size_t |
||
722 | _Expr<_Clos,_Tp>::size () const { return _M_closure.size (); } |
||
723 | |||
724 | template |
||
725 | inline valarray<_Tp> |
||
726 | _Expr<_Clos, _Tp>::shift(int __n) const |
||
727 | { return valarray<_Tp>(_M_closure).shift(__n); } |
||
728 | |||
729 | template |
||
730 | inline valarray<_Tp> |
||
731 | _Expr<_Clos, _Tp>::cshift(int __n) const |
||
732 | { return valarray<_Tp>(_M_closure).cshift(__n); } |
||
733 | |||
734 | template |
||
735 | inline valarray<_Tp> |
||
736 | _Expr<_Clos, _Tp>::apply(_Tp __f(const _Tp&)) const |
||
737 | { return valarray<_Tp>(_M_closure).apply(__f); } |
||
738 | |||
739 | template |
||
740 | inline valarray<_Tp> |
||
741 | _Expr<_Clos, _Tp>::apply(_Tp __f(_Tp)) const |
||
742 | { return valarray<_Tp>(_M_closure).apply(__f); } |
||
743 | |||
744 | // XXX: replace this with a more robust summation algorithm. |
||
745 | template |
||
746 | inline _Tp |
||
747 | _Expr<_Clos,_Tp>::sum () const |
||
748 | { |
||
749 | size_t __n = _M_closure.size(); |
||
750 | if (__n == 0) return _Tp(); |
||
751 | else { |
||
752 | _Tp __s = _M_closure[--__n]; |
||
753 | while (__n != 0) __s += _M_closure[--__n]; |
||
754 | return __s; |
||
755 | } |
||
756 | } |
||
757 | |||
758 | template |
||
759 | inline _Tp |
||
760 | _Expr<_Clos, _Tp>::min() const |
||
761 | { return __valarray_min(_M_closure); } |
||
762 | |||
763 | template |
||
764 | inline _Tp |
||
765 | _Expr<_Clos, _Tp>::max() const |
||
766 | { return __valarray_max(_M_closure); } |
||
767 | |||
768 | template |
||
769 | inline _Expr<_UnClos |
||
770 | _Expr<_Dom,_Tp>::operator! () const |
||
771 | { |
||
772 | typedef _UnClos |
||
773 | return _Expr<_Closure,_Tp> (_Closure(this->_M_closure)); |
||
774 | } |
||
775 | |||
776 | #define _DEFINE_EXPR_UNARY_OPERATOR(_Op, _Name) \ |
||
777 | template |
||
778 | inline _Expr<_UnClos<_Name,_Expr,_Dom>,_Tp> \ |
||
779 | _Expr<_Dom,_Tp>::operator _Op () const \ |
||
780 | { \ |
||
781 | typedef _UnClos<_Name,_Expr,_Dom> _Closure; \ |
||
782 | return _Expr<_Closure,_Tp> (_Closure (this->_M_closure)); \ |
||
783 | } |
||
784 | |||
785 | _DEFINE_EXPR_UNARY_OPERATOR(+, _Unary_plus) |
||
786 | _DEFINE_EXPR_UNARY_OPERATOR(-, negate) |
||
787 | _DEFINE_EXPR_UNARY_OPERATOR(~, _Bitwise_not) |
||
788 | |||
789 | #undef _DEFINE_EXPR_UNARY_OPERATOR |
||
790 | |||
791 | |||
792 | #define _DEFINE_EXPR_BINARY_OPERATOR(_Op, _Name) \ |
||
793 | template |
||
794 | inline _Expr<_BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2>, \ |
||
795 | typename _Name |
||
796 | operator _Op (const _Expr<_Dom1,typename _Dom1::value_type>& __v, \ |
||
797 | const _Expr<_Dom2,typename _Dom2::value_type>& __w) \ |
||
798 | { \ |
||
799 | typedef typename _Dom1::value_type _Arg; \ |
||
800 | typedef typename _Name<_Arg>::result_type _Value; \ |
||
801 | typedef _BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2> _Closure; \ |
||
802 | return _Expr<_Closure,_Value> (_Closure (__v (), __w ())); \ |
||
803 | } \ |
||
804 | \ |
||
805 | template |
||
806 | inline _Expr<_BinClos<_Name,_Expr,_Constant,_Dom,typename _Dom::value_type>, \ |
||
807 | typename _Name |
||
808 | operator _Op (const _Expr<_Dom,typename _Dom::value_type>& __v, \ |
||
809 | const typename _Dom::value_type& __t) \ |
||
810 | { \ |
||
811 | typedef typename _Dom::value_type _Arg; \ |
||
812 | typedef typename _Name<_Arg>::result_type _Value; \ |
||
813 | typedef _BinClos<_Name,_Expr,_Constant,_Dom,_Arg> _Closure; \ |
||
814 | return _Expr<_Closure,_Value> (_Closure (__v (), __t)); \ |
||
815 | } \ |
||
816 | \ |
||
817 | template |
||
818 | inline _Expr<_BinClos<_Name,_Constant,_Expr,typename _Dom::value_type,_Dom>, \ |
||
819 | typename _Name |
||
820 | operator _Op (const typename _Dom::value_type& __t, \ |
||
821 | const _Expr<_Dom,typename _Dom::value_type>& __v) \ |
||
822 | { \ |
||
823 | typedef typename _Dom::value_type _Arg; \ |
||
824 | typedef typename _Name<_Arg>::result_type _Value; \ |
||
825 | typedef _BinClos<_Name,_Constant,_Expr,_Arg,_Dom> _Closure; \ |
||
826 | return _Expr<_Closure,_Value> (_Closure (__t, __v ())); \ |
||
827 | } \ |
||
828 | \ |
||
829 | template |
||
830 | inline _Expr<_BinClos<_Name,_Expr,_ValArray,_Dom,typename _Dom::value_type>, \ |
||
831 | typename _Name |
||
832 | operator _Op (const _Expr<_Dom,typename _Dom::value_type>& __e, \ |
||
833 | const valarray |
||
834 | { \ |
||
835 | typedef typename _Dom::value_type _Arg; \ |
||
836 | typedef typename _Name<_Arg>::result_type _Value; \ |
||
837 | typedef _BinClos<_Name,_Expr,_ValArray,_Dom,_Arg> _Closure; \ |
||
838 | return _Expr<_Closure,_Value> (_Closure (__e (), __v)); \ |
||
839 | } \ |
||
840 | \ |
||
841 | template |
||
842 | inline _Expr<_BinClos<_Name,_ValArray,_Expr,typename _Dom::value_type,_Dom>, \ |
||
843 | typename _Name |
||
844 | operator _Op (const valarray |
||
845 | const _Expr<_Dom,typename _Dom::value_type>& __e) \ |
||
846 | { \ |
||
847 | typedef typename _Dom::value_type _Tp; \ |
||
848 | typedef typename _Name<_Tp>::result_type _Value; \ |
||
849 | typedef _BinClos<_Name,_ValArray,_Expr,_Tp,_Dom> _Closure; \ |
||
850 | return _Expr<_Closure,_Value> (_Closure (__v, __e ())); \ |
||
851 | } |
||
852 | |||
853 | _DEFINE_EXPR_BINARY_OPERATOR(+, plus) |
||
854 | _DEFINE_EXPR_BINARY_OPERATOR(-, minus) |
||
855 | _DEFINE_EXPR_BINARY_OPERATOR(*, multiplies) |
||
856 | _DEFINE_EXPR_BINARY_OPERATOR(/, divides) |
||
857 | _DEFINE_EXPR_BINARY_OPERATOR(%, modulus) |
||
858 | _DEFINE_EXPR_BINARY_OPERATOR(^, _Bitwise_xor) |
||
859 | _DEFINE_EXPR_BINARY_OPERATOR(&, _Bitwise_and) |
||
860 | _DEFINE_EXPR_BINARY_OPERATOR(|, _Bitwise_or) |
||
861 | _DEFINE_EXPR_BINARY_OPERATOR(<<, _Shift_left) |
||
862 | _DEFINE_EXPR_BINARY_OPERATOR(>>, _Shift_right) |
||
863 | |||
864 | #undef _DEFINE_EXPR_BINARY_OPERATOR |
||
865 | |||
866 | #define _DEFINE_EXPR_RELATIONAL_OPERATOR(_Op, _Name) \ |
||
867 | template |
||
868 | inline _Expr<_BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2>, bool> \ |
||
869 | operator _Op (const _Expr<_Dom1,typename _Dom1::value_type>& __v, \ |
||
870 | const _Expr<_Dom2,typename _Dom2::value_type>& __w) \ |
||
871 | { \ |
||
872 | typedef typename _Dom1::value_type _Arg; \ |
||
873 | typedef _BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2> _Closure; \ |
||
874 | return _Expr<_Closure,bool> (_Closure (__v (), __w ())); \ |
||
875 | } \ |
||
876 | \ |
||
877 | template |
||
878 | inline _Expr<_BinClos<_Name,_Expr,_Constant,_Dom,typename _Dom::value_type>, \ |
||
879 | bool> \ |
||
880 | operator _Op (const _Expr<_Dom,typename _Dom::value_type>& __v, \ |
||
881 | const typename _Dom::value_type& __t) \ |
||
882 | { \ |
||
883 | typedef typename _Dom::value_type _Arg; \ |
||
884 | typedef _BinClos<_Name,_Expr,_Constant,_Dom,_Arg> _Closure; \ |
||
885 | return _Expr<_Closure,bool> (_Closure (__v (), __t)); \ |
||
886 | } \ |
||
887 | \ |
||
888 | template |
||
889 | inline _Expr<_BinClos<_Name,_Constant,_Expr,typename _Dom::value_type,_Dom>, \ |
||
890 | bool> \ |
||
891 | operator _Op (const typename _Dom::value_type& __t, \ |
||
892 | const _Expr<_Dom,typename _Dom::value_type>& __v) \ |
||
893 | { \ |
||
894 | typedef typename _Dom::value_type _Arg; \ |
||
895 | typedef _BinClos<_Name,_Constant,_Expr,_Arg,_Dom> _Closure; \ |
||
896 | return _Expr<_Closure,bool> (_Closure (__t, __v ())); \ |
||
897 | } \ |
||
898 | \ |
||
899 | template |
||
900 | inline _Expr<_BinClos<_Name,_Expr,_ValArray,_Dom,typename _Dom::value_type>, \ |
||
901 | bool> \ |
||
902 | operator _Op (const _Expr<_Dom,typename _Dom::value_type>& __e, \ |
||
903 | const valarray |
||
904 | { \ |
||
905 | typedef typename _Dom::value_type _Tp; \ |
||
906 | typedef _BinClos<_Name,_Expr,_ValArray,_Dom,_Tp> _Closure; \ |
||
907 | return _Expr<_Closure,bool> (_Closure (__e (), __v)); \ |
||
908 | } \ |
||
909 | \ |
||
910 | template |
||
911 | inline _Expr<_BinClos<_Name,_ValArray,_Expr,typename _Dom::value_type,_Dom>, \ |
||
912 | bool> \ |
||
913 | operator _Op (const valarray |
||
914 | const _Expr<_Dom,typename _Dom::value_type>& __e) \ |
||
915 | { \ |
||
916 | typedef typename _Dom::value_type _Tp; \ |
||
917 | typedef _BinClos<_Name,_ValArray,_Expr,_Tp,_Dom> _Closure; \ |
||
918 | return _Expr<_Closure,bool> (_Closure (__v, __e ())); \ |
||
919 | } |
||
920 | |||
921 | _DEFINE_EXPR_RELATIONAL_OPERATOR(&&, logical_and) |
||
922 | _DEFINE_EXPR_RELATIONAL_OPERATOR(||, logical_or) |
||
923 | _DEFINE_EXPR_RELATIONAL_OPERATOR(==, equal_to) |
||
924 | _DEFINE_EXPR_RELATIONAL_OPERATOR(!=, not_equal_to) |
||
925 | _DEFINE_EXPR_RELATIONAL_OPERATOR(<, less) |
||
926 | _DEFINE_EXPR_RELATIONAL_OPERATOR(>, greater) |
||
927 | _DEFINE_EXPR_RELATIONAL_OPERATOR(<=, less_equal) |
||
928 | _DEFINE_EXPR_RELATIONAL_OPERATOR(>=, greater_equal) |
||
929 | |||
930 | #undef _DEFINE_EXPR_RELATIONAL_OPERATOR |
||
931 | |||
932 | |||
933 | |||
934 | #define _DEFINE_EXPR_UNARY_FUNCTION(_Name) \ |
||
935 | template |
||
936 | inline _Expr<_UnFunClos<_Expr,_Dom>,typename _Dom::value_type> \ |
||
937 | _Name(const _Expr<_Dom,typename _Dom::value_type>& __e) \ |
||
938 | { \ |
||
939 | typedef typename _Dom::value_type _Tp; \ |
||
940 | typedef _UnFunClos<_Expr,_Dom> _Closure; \ |
||
941 | return _Expr<_Closure,_Tp>(_Closure(__e(), (_Tp(*)(_Tp))(&_Name))); \ |
||
942 | } \ |
||
943 | \ |
||
944 | template |
||
945 | inline _Expr<_UnFunClos<_ValArray,_Tp>,_Tp> \ |
||
946 | _Name(const valarray<_Tp>& __v) \ |
||
947 | { \ |
||
948 | typedef _UnFunClos<_ValArray,_Tp> _Closure; \ |
||
949 | return _Expr<_Closure,_Tp> (_Closure (__v, (_Tp(*)(_Tp))(&_Name))); \ |
||
950 | } |
||
951 | |||
952 | |||
953 | _DEFINE_EXPR_UNARY_FUNCTION(abs) |
||
954 | _DEFINE_EXPR_UNARY_FUNCTION(cos) |
||
955 | _DEFINE_EXPR_UNARY_FUNCTION(acos) |
||
956 | _DEFINE_EXPR_UNARY_FUNCTION(cosh) |
||
957 | _DEFINE_EXPR_UNARY_FUNCTION(sin) |
||
958 | _DEFINE_EXPR_UNARY_FUNCTION(asin) |
||
959 | _DEFINE_EXPR_UNARY_FUNCTION(sinh) |
||
960 | _DEFINE_EXPR_UNARY_FUNCTION(tan) |
||
961 | _DEFINE_EXPR_UNARY_FUNCTION(tanh) |
||
962 | _DEFINE_EXPR_UNARY_FUNCTION(atan) |
||
963 | _DEFINE_EXPR_UNARY_FUNCTION(exp) |
||
964 | _DEFINE_EXPR_UNARY_FUNCTION(log) |
||
965 | _DEFINE_EXPR_UNARY_FUNCTION(log10) |
||
966 | _DEFINE_EXPR_UNARY_FUNCTION(sqrt) |
||
967 | |||
968 | #undef _DEFINE_EXPR_UNARY_FUNCTION |
||
969 | |||
970 | |||
971 | #define _DEFINE_EXPR_BINARY_FUNCTION(_Name) \ |
||
972 | template |
||
973 | inline _Expr<_BinFunClos<_Expr,_Expr,_Dom1,_Dom2>,typename _Dom1::value_type>\ |
||
974 | _Name (const _Expr<_Dom1,typename _Dom1::value_type>& __e1, \ |
||
975 | const _Expr<_Dom2,typename _Dom2::value_type>& __e2) \ |
||
976 | { \ |
||
977 | typedef typename _Dom1::value_type _Tp; \ |
||
978 | typedef _BinFunClos<_Expr,_Expr,_Dom1,_Dom2> _Closure; \ |
||
979 | return _Expr<_Closure,_Tp> \ |
||
980 | (_Closure (__e1 (), __e2 (), (_Tp(*)(_Tp, _Tp))(&_Name))); \ |
||
981 | } \ |
||
982 | \ |
||
983 | template |
||
984 | inline _Expr<_BinFunClos<_Expr,_ValArray,_Dom,typename _Dom::value_type>, \ |
||
985 | typename _Dom::value_type> \ |
||
986 | _Name (const _Expr<_Dom,typename _Dom::value_type>& __e, \ |
||
987 | const valarray |
||
988 | { \ |
||
989 | typedef typename _Dom::value_type _Tp; \ |
||
990 | typedef _BinFunClos<_Expr,_ValArray,_Dom,_Tp> _Closure; \ |
||
991 | return _Expr<_Closure,_Tp> \ |
||
992 | (_Closure (__e (), __v, (_Tp(*)(_Tp, _Tp))(&_Name))); \ |
||
993 | } \ |
||
994 | \ |
||
995 | template |
||
996 | inline _Expr<_BinFunClos<_ValArray,_Expr,typename _Dom::value_type,_Dom>, \ |
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997 | typename _Dom::value_type> \ |
||
998 | _Name (const valarray |
||
999 | const _Expr<_Dom,typename _Dom::value_type>& __e) \ |
||
1000 | { \ |
||
1001 | typedef typename _Dom::value_type _Tp; \ |
||
1002 | typedef _BinFunClos<_ValArray,_Expr,_Tp,_Dom> _Closure; \ |
||
1003 | return _Expr<_Closure,_Tp> \ |
||
1004 | (_Closure (__v, __e (), (_Tp(*)(_Tp, _Tp))(&_Name))); \ |
||
1005 | } \ |
||
1006 | \ |
||
1007 | template |
||
1008 | inline _Expr<_BinFunClos<_Expr,_Constant,_Dom,typename _Dom::value_type>, \ |
||
1009 | typename _Dom::value_type> \ |
||
1010 | _Name (const _Expr<_Dom, typename _Dom::value_type>& __e, \ |
||
1011 | const typename _Dom::value_type& __t) \ |
||
1012 | { \ |
||
1013 | typedef typename _Dom::value_type _Tp; \ |
||
1014 | typedef _BinFunClos<_Expr,_Constant,_Dom,_Tp> _Closure; \ |
||
1015 | return _Expr<_Closure,_Tp> \ |
||
1016 | (_Closure (__e (), __t, (_Tp(*)(_Tp, _Tp))(&_Name))); \ |
||
1017 | } \ |
||
1018 | \ |
||
1019 | template |
||
1020 | inline _Expr<_BinFunClos<_Constant,_Expr,typename _Dom::value_type,_Dom>, \ |
||
1021 | typename _Dom::value_type> \ |
||
1022 | _Name (const typename _Dom::value_type& __t, \ |
||
1023 | const _Expr<_Dom,typename _Dom::value_type>& __e) \ |
||
1024 | { \ |
||
1025 | typedef typename _Dom::value_type _Tp; \ |
||
1026 | typedef _BinFunClos<_Constant,_Expr,_Tp,_Dom> _Closure; \ |
||
1027 | return _Expr<_Closure,_Tp> \ |
||
1028 | (_Closure (__t, __e (), (_Tp(*)(_Tp, _Tp))(&_Name))); \ |
||
1029 | } \ |
||
1030 | \ |
||
1031 | template |
||
1032 | inline _Expr<_BinFunClos<_ValArray,_ValArray,_Tp,_Tp>, _Tp> \ |
||
1033 | _Name (const valarray<_Tp>& __v, const valarray<_Tp>& __w) \ |
||
1034 | { \ |
||
1035 | typedef _BinFunClos<_ValArray,_ValArray,_Tp,_Tp> _Closure; \ |
||
1036 | return _Expr<_Closure,_Tp> \ |
||
1037 | (_Closure (__v, __w, (_Tp(*)(_Tp,_Tp))(&_Name))); \ |
||
1038 | } \ |
||
1039 | \ |
||
1040 | template |
||
1041 | inline _Expr<_BinFunClos<_ValArray,_Constant,_Tp,_Tp>,_Tp> \ |
||
1042 | _Name (const valarray<_Tp>& __v, const _Tp& __t) \ |
||
1043 | { \ |
||
1044 | typedef _BinFunClos<_ValArray,_Constant,_Tp,_Tp> _Closure; \ |
||
1045 | return _Expr<_Closure,_Tp> \ |
||
1046 | (_Closure (__v, __t, (_Tp(*)(_Tp,_Tp))(&_Name))); \ |
||
1047 | } \ |
||
1048 | \ |
||
1049 | template |
||
1050 | inline _Expr<_BinFunClos<_Constant,_ValArray,_Tp,_Tp>,_Tp> \ |
||
1051 | _Name (const _Tp& __t, const valarray<_Tp>& __v) \ |
||
1052 | { \ |
||
1053 | typedef _BinFunClos<_Constant,_ValArray,_Tp,_Tp> _Closure; \ |
||
1054 | return _Expr<_Closure,_Tp> \ |
||
1055 | (_Closure (__t, __v, (_Tp(*)(_Tp,_Tp))(&_Name))); \ |
||
1056 | } |
||
1057 | |||
1058 | _DEFINE_EXPR_BINARY_FUNCTION(atan2) |
||
1059 | _DEFINE_EXPR_BINARY_FUNCTION(pow) |
||
1060 | |||
1061 | #undef _DEFINE_EXPR_BINARY_FUNCTION |
||
1062 | |||
1063 | } // std:: |
||
1064 | |||
1065 | |||
1066 | #endif /* _CPP_VALARRAY_META_H */ |
||
1067 | |||
1068 | // Local Variables: |
||
1069 | // mode:c++ |
||
1070 | // End:=,>,>,><,>> |