1 | // |
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2 | // Copyright (c) 2000-2002 |
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3 | // Joerg Walter, Mathias Koch |
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4 | // |
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5 | // Permission to use, copy, modify, distribute and sell this software |
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6 | // and its documentation for any purpose is hereby granted without fee, |
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7 | // provided that the above copyright notice appear in all copies and |
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8 | // that both that copyright notice and this permission notice appear |
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9 | // in supporting documentation. The authors make no representations |
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10 | // about the suitability of this software for any purpose. |
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11 | // It is provided "as is" without express or implied warranty. |
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12 | // |
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13 | // The authors gratefully acknowledge the support of |
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14 | // GeNeSys mbH & Co. KG in producing this work. |
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15 | // |
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16 | |
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17 | #ifndef _BOOST_UBLAS_VECTOR_ |
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18 | #define _BOOST_UBLAS_VECTOR_ |
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19 | |
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20 | #include <boost/numeric/ublas/storage.hpp> |
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21 | #include <boost/numeric/ublas/vector_expression.hpp> |
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22 | #include <boost/numeric/ublas/detail/vector_assign.hpp> |
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23 | |
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24 | // Iterators based on ideas of Jeremy Siek |
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25 | |
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26 | namespace boost { namespace numeric { namespace ublas { |
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27 | |
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28 | // Array based vector class |
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29 | template<class T, class A> |
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30 | class vector: |
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31 | public vector_container<vector<T, A> > { |
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32 | |
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33 | typedef vector<T, A> self_type; |
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34 | public: |
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35 | #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS |
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36 | using vector_container<self_type>::operator (); |
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37 | #endif |
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38 | typedef typename A::size_type size_type; |
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39 | typedef typename A::difference_type difference_type; |
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40 | typedef T value_type; |
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41 | typedef typename type_traits<T>::const_reference const_reference; |
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42 | typedef T &reference; |
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43 | typedef T *pointer; |
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44 | typedef const T *const_pointer; |
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45 | typedef A array_type; |
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46 | typedef const vector_reference<const self_type> const_closure_type; |
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47 | typedef vector_reference<self_type> closure_type; |
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48 | typedef self_type vector_temporary_type; |
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49 | typedef dense_tag storage_category; |
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50 | |
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51 | // Construction and destruction |
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52 | BOOST_UBLAS_INLINE |
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53 | vector (): |
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54 | vector_container<self_type> (), |
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55 | data_ () {} |
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56 | explicit BOOST_UBLAS_INLINE |
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57 | vector (size_type size): |
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58 | vector_container<self_type> (), |
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59 | data_ (size) { |
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60 | } |
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61 | BOOST_UBLAS_INLINE |
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62 | vector (size_type size, const array_type &data): |
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63 | vector_container<self_type> (), |
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64 | data_ (data) {} |
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65 | BOOST_UBLAS_INLINE |
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66 | vector (const vector &v): |
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67 | vector_container<self_type> (), |
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68 | data_ (v.data_) {} |
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69 | template<class AE> |
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70 | BOOST_UBLAS_INLINE |
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71 | vector (const vector_expression<AE> &ae): |
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72 | vector_container<self_type> (), |
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73 | data_ (ae ().size ()) { |
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74 | vector_assign<scalar_assign> (*this, ae); |
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75 | } |
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76 | |
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77 | // Random Access Container |
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78 | BOOST_UBLAS_INLINE |
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79 | size_type max_size () const { |
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80 | return data_.max_size (); |
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81 | } |
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82 | |
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83 | BOOST_UBLAS_INLINE |
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84 | bool empty () const { |
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85 | return data_.size () == 0; |
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86 | } |
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87 | // Accessors |
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88 | BOOST_UBLAS_INLINE |
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89 | size_type size () const { |
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90 | return data_.size (); |
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91 | } |
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92 | |
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93 | // Storage accessors |
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94 | BOOST_UBLAS_INLINE |
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95 | const array_type &data () const { |
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96 | return data_; |
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97 | } |
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98 | BOOST_UBLAS_INLINE |
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99 | array_type &data () { |
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100 | return data_; |
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101 | } |
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102 | |
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103 | // Resizing |
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104 | BOOST_UBLAS_INLINE |
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105 | void resize (size_type size, bool preserve = true) { |
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106 | if (preserve) |
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107 | data ().resize (size, typename A::value_type ()); |
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108 | else |
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109 | data ().resize (size); |
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110 | } |
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111 | |
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112 | // Element support |
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113 | BOOST_UBLAS_INLINE |
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114 | pointer find_element (size_type i) { |
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115 | return const_cast<pointer> (const_cast<const self_type&>(*this).find_element (i)); |
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116 | } |
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117 | BOOST_UBLAS_INLINE |
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118 | const_pointer find_element (size_type i) const { |
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119 | return & (data () [i]); |
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120 | } |
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121 | |
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122 | // Element access |
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123 | BOOST_UBLAS_INLINE |
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124 | const_reference operator () (size_type i) const { |
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125 | return data () [i]; |
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126 | } |
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127 | BOOST_UBLAS_INLINE |
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128 | reference operator () (size_type i) { |
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129 | return data () [i]; |
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130 | } |
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131 | |
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132 | BOOST_UBLAS_INLINE |
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133 | const_reference operator [] (size_type i) const { |
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134 | return (*this) (i); |
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135 | } |
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136 | BOOST_UBLAS_INLINE |
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137 | reference operator [] (size_type i) { |
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138 | return (*this) (i); |
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139 | } |
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140 | |
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141 | // Element assignment |
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142 | BOOST_UBLAS_INLINE |
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143 | reference insert_element (size_type i, const_reference t) { |
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144 | return (data () [i] = t); |
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145 | } |
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146 | BOOST_UBLAS_INLINE |
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147 | void erase_element (size_type i) { |
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148 | data () [i] = value_type/*zero*/(); |
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149 | } |
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150 | |
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151 | // Zeroing |
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152 | BOOST_UBLAS_INLINE |
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153 | void clear () { |
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154 | std::fill (data ().begin (), data ().end (), value_type/*zero*/()); |
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155 | } |
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156 | |
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157 | // Assignment |
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158 | BOOST_UBLAS_INLINE |
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159 | vector &operator = (const vector &v) { |
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160 | data () = v.data (); |
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161 | return *this; |
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162 | } |
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163 | template<class C> // Container assignment without temporary |
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164 | BOOST_UBLAS_INLINE |
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165 | vector &operator = (const vector_container<C> &v) { |
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166 | resize (v ().size (), false); |
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167 | assign (v); |
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168 | return *this; |
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169 | } |
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170 | BOOST_UBLAS_INLINE |
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171 | vector &assign_temporary (vector &v) { |
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172 | swap (v); |
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173 | return *this; |
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174 | } |
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175 | template<class AE> |
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176 | BOOST_UBLAS_INLINE |
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177 | vector &operator = (const vector_expression<AE> &ae) { |
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178 | self_type temporary (ae); |
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179 | return assign_temporary (temporary); |
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180 | } |
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181 | template<class AE> |
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182 | BOOST_UBLAS_INLINE |
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183 | vector &assign (const vector_expression<AE> &ae) { |
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184 | vector_assign<scalar_assign> (*this, ae); |
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185 | return *this; |
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186 | } |
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187 | |
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188 | // Computed assignment |
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189 | template<class AE> |
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190 | BOOST_UBLAS_INLINE |
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191 | vector &operator += (const vector_expression<AE> &ae) { |
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192 | self_type temporary (*this + ae); |
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193 | return assign_temporary (temporary); |
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194 | } |
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195 | template<class C> // Container assignment without temporary |
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196 | BOOST_UBLAS_INLINE |
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197 | vector &operator += (const vector_container<C> &v) { |
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198 | plus_assign (v); |
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199 | return *this; |
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200 | } |
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201 | template<class AE> |
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202 | BOOST_UBLAS_INLINE |
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203 | vector &plus_assign (const vector_expression<AE> &ae) { |
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204 | vector_assign<scalar_plus_assign> (*this, ae); |
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205 | return *this; |
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206 | } |
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207 | template<class AE> |
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208 | BOOST_UBLAS_INLINE |
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209 | vector &operator -= (const vector_expression<AE> &ae) { |
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210 | self_type temporary (*this - ae); |
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211 | return assign_temporary (temporary); |
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212 | } |
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213 | template<class C> // Container assignment without temporary |
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214 | BOOST_UBLAS_INLINE |
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215 | vector &operator -= (const vector_container<C> &v) { |
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216 | minus_assign (v); |
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217 | return *this; |
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218 | } |
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219 | template<class AE> |
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220 | BOOST_UBLAS_INLINE |
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221 | vector &minus_assign (const vector_expression<AE> &ae) { |
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222 | vector_assign<scalar_minus_assign> (*this, ae); |
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223 | return *this; |
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224 | } |
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225 | template<class AT> |
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226 | BOOST_UBLAS_INLINE |
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227 | vector &operator *= (const AT &at) { |
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228 | vector_assign_scalar<scalar_multiplies_assign> (*this, at); |
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229 | return *this; |
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230 | } |
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231 | template<class AT> |
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232 | BOOST_UBLAS_INLINE |
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233 | vector &operator /= (const AT &at) { |
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234 | vector_assign_scalar<scalar_divides_assign> (*this, at); |
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235 | return *this; |
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236 | } |
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237 | |
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238 | // Swapping |
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239 | BOOST_UBLAS_INLINE |
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240 | void swap (vector &v) { |
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241 | if (this != &v) { |
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242 | data ().swap (v.data ()); |
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243 | } |
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244 | } |
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245 | BOOST_UBLAS_INLINE |
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246 | friend void swap (vector &v1, vector &v2) { |
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247 | v1.swap (v2); |
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248 | } |
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249 | |
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250 | // Iterator types |
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251 | private: |
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252 | // Use the storage array iterator |
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253 | typedef typename A::const_iterator const_subiterator_type; |
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254 | typedef typename A::iterator subiterator_type; |
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255 | |
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256 | public: |
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257 | #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR |
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258 | typedef indexed_iterator<self_type, dense_random_access_iterator_tag> iterator; |
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259 | typedef indexed_const_iterator<self_type, dense_random_access_iterator_tag> const_iterator; |
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260 | #else |
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261 | class const_iterator; |
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262 | class iterator; |
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263 | #endif |
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264 | |
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265 | // Element lookup |
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266 | BOOST_UBLAS_INLINE |
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267 | const_iterator find (size_type i) const { |
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268 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR |
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269 | return const_iterator (*this, data ().begin () + i); |
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270 | #else |
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271 | return const_iterator (*this, i); |
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272 | #endif |
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273 | } |
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274 | BOOST_UBLAS_INLINE |
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275 | iterator find (size_type i) { |
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276 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR |
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277 | return iterator (*this, data ().begin () + i); |
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278 | #else |
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279 | return iterator (*this, i); |
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280 | #endif |
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281 | } |
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282 | |
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283 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR |
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284 | class const_iterator: |
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285 | public container_const_reference<vector>, |
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286 | public random_access_iterator_base<dense_random_access_iterator_tag, |
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287 | const_iterator, value_type, difference_type> { |
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288 | public: |
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289 | typedef typename vector::difference_type difference_type; |
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290 | typedef typename vector::value_type value_type; |
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291 | typedef typename vector::const_reference reference; |
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292 | typedef const typename vector::pointer pointer; |
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293 | |
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294 | // Construction and destruction |
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295 | BOOST_UBLAS_INLINE |
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296 | const_iterator (): |
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297 | container_const_reference<self_type> (), it_ () {} |
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298 | BOOST_UBLAS_INLINE |
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299 | const_iterator (const self_type &v, const const_subiterator_type &it): |
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300 | container_const_reference<self_type> (v), it_ (it) {} |
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301 | BOOST_UBLAS_INLINE |
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302 | const_iterator (const typename vector::iterator &it): // ISSUE vector:: stops VC8 using std::iterator here |
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303 | container_const_reference<self_type> (it ()), it_ (it.it_) {} |
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304 | |
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305 | // Arithmetic |
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306 | BOOST_UBLAS_INLINE |
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307 | const_iterator &operator ++ () { |
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308 | ++ it_; |
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309 | return *this; |
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310 | } |
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311 | BOOST_UBLAS_INLINE |
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312 | const_iterator &operator -- () { |
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313 | -- it_; |
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314 | return *this; |
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315 | } |
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316 | BOOST_UBLAS_INLINE |
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317 | const_iterator &operator += (difference_type n) { |
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318 | it_ += n; |
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319 | return *this; |
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320 | } |
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321 | BOOST_UBLAS_INLINE |
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322 | const_iterator &operator -= (difference_type n) { |
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323 | it_ -= n; |
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324 | return *this; |
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325 | } |
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326 | BOOST_UBLAS_INLINE |
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327 | difference_type operator - (const const_iterator &it) const { |
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328 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
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329 | return it_ - it.it_; |
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330 | } |
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331 | |
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332 | // Dereference |
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333 | BOOST_UBLAS_INLINE |
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334 | const_reference operator * () const { |
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335 | BOOST_UBLAS_CHECK (it_ >= (*this) ().begin ().it_ && it_ < (*this) ().end ().it_, bad_index ()); |
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336 | return *it_; |
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337 | } |
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338 | BOOST_UBLAS_INLINE |
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339 | const_reference operator [] (difference_type n) const { |
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340 | return *(it_ + n); |
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341 | } |
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342 | |
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343 | // Index |
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344 | BOOST_UBLAS_INLINE |
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345 | size_type index () const { |
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346 | BOOST_UBLAS_CHECK (it_ >= (*this) ().begin ().it_ && it_ < (*this) ().end ().it_, bad_index ()); |
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347 | return it_ - (*this) ().begin ().it_; |
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348 | } |
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349 | |
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350 | // Assignment |
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351 | BOOST_UBLAS_INLINE |
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352 | const_iterator &operator = (const const_iterator &it) { |
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353 | container_const_reference<self_type>::assign (&it ()); |
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354 | it_ = it.it_; |
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355 | return *this; |
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356 | } |
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357 | |
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358 | // Comparison |
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359 | BOOST_UBLAS_INLINE |
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360 | bool operator == (const const_iterator &it) const { |
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361 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
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362 | return it_ == it.it_; |
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363 | } |
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364 | BOOST_UBLAS_INLINE |
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365 | bool operator < (const const_iterator &it) const { |
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366 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
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367 | return it_ < it.it_; |
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368 | } |
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369 | |
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370 | private: |
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371 | const_subiterator_type it_; |
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372 | |
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373 | friend class iterator; |
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374 | }; |
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375 | #endif |
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376 | |
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377 | BOOST_UBLAS_INLINE |
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378 | const_iterator begin () const { |
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379 | return find (0); |
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380 | } |
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381 | BOOST_UBLAS_INLINE |
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382 | const_iterator end () const { |
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383 | return find (data_.size ()); |
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384 | } |
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385 | |
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386 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR |
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387 | class iterator: |
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388 | public container_reference<vector>, |
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389 | public random_access_iterator_base<dense_random_access_iterator_tag, |
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390 | iterator, value_type, difference_type> { |
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391 | public: |
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392 | typedef typename vector::difference_type difference_type; |
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393 | typedef typename vector::value_type value_type; |
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394 | typedef typename vector::reference reference; |
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395 | typedef typename vector::pointer pointer; |
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396 | |
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397 | |
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398 | // Construction and destruction |
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399 | BOOST_UBLAS_INLINE |
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400 | iterator (): |
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401 | container_reference<self_type> (), it_ () {} |
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402 | BOOST_UBLAS_INLINE |
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403 | iterator (self_type &v, const subiterator_type &it): |
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404 | container_reference<self_type> (v), it_ (it) {} |
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405 | |
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406 | // Arithmetic |
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407 | BOOST_UBLAS_INLINE |
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408 | iterator &operator ++ () { |
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409 | ++ it_; |
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410 | return *this; |
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411 | } |
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412 | BOOST_UBLAS_INLINE |
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413 | iterator &operator -- () { |
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414 | -- it_; |
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415 | return *this; |
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416 | } |
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417 | BOOST_UBLAS_INLINE |
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418 | iterator &operator += (difference_type n) { |
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419 | it_ += n; |
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420 | return *this; |
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421 | } |
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422 | BOOST_UBLAS_INLINE |
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423 | iterator &operator -= (difference_type n) { |
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424 | it_ -= n; |
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425 | return *this; |
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426 | } |
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427 | BOOST_UBLAS_INLINE |
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428 | difference_type operator - (const iterator &it) const { |
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429 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
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430 | return it_ - it.it_; |
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431 | } |
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432 | |
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433 | // Dereference |
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434 | BOOST_UBLAS_INLINE |
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435 | reference operator * () const { |
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436 | BOOST_UBLAS_CHECK (it_ >= (*this) ().begin ().it_ && it_ < (*this) ().end ().it_ , bad_index ()); |
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437 | return *it_; |
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438 | } |
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439 | BOOST_UBLAS_INLINE |
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440 | reference operator [] (difference_type n) const { |
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441 | return *(it_ + n); |
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442 | } |
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443 | |
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444 | // Index |
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445 | BOOST_UBLAS_INLINE |
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446 | size_type index () const { |
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447 | BOOST_UBLAS_CHECK (it_ >= (*this) ().begin ().it_ && it_ < (*this) ().end ().it_ , bad_index ()); |
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448 | return it_ - (*this) ().begin ().it_; |
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449 | } |
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450 | |
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451 | // Assignment |
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452 | BOOST_UBLAS_INLINE |
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453 | iterator &operator = (const iterator &it) { |
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454 | container_reference<self_type>::assign (&it ()); |
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455 | it_ = it.it_; |
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456 | return *this; |
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457 | } |
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458 | |
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459 | // Comparison |
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460 | BOOST_UBLAS_INLINE |
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461 | bool operator == (const iterator &it) const { |
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462 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
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463 | return it_ == it.it_; |
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464 | } |
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465 | BOOST_UBLAS_INLINE |
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466 | bool operator < (const iterator &it) const { |
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467 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
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468 | return it_ < it.it_; |
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469 | } |
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470 | |
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471 | private: |
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472 | subiterator_type it_; |
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473 | |
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474 | friend class const_iterator; |
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475 | }; |
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476 | #endif |
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477 | |
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478 | BOOST_UBLAS_INLINE |
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479 | iterator begin () { |
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480 | return find (0); |
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481 | } |
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482 | BOOST_UBLAS_INLINE |
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483 | iterator end () { |
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484 | return find (data_.size ()); |
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485 | } |
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486 | |
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487 | // Reverse iterator |
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488 | typedef reverse_iterator_base<const_iterator> const_reverse_iterator; |
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489 | typedef reverse_iterator_base<iterator> reverse_iterator; |
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490 | |
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491 | BOOST_UBLAS_INLINE |
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492 | const_reverse_iterator rbegin () const { |
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493 | return const_reverse_iterator (end ()); |
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494 | } |
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495 | BOOST_UBLAS_INLINE |
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496 | const_reverse_iterator rend () const { |
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497 | return const_reverse_iterator (begin ()); |
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498 | } |
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499 | BOOST_UBLAS_INLINE |
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500 | reverse_iterator rbegin () { |
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501 | return reverse_iterator (end ()); |
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502 | } |
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503 | BOOST_UBLAS_INLINE |
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504 | reverse_iterator rend () { |
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505 | return reverse_iterator (begin ()); |
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506 | } |
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507 | |
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508 | private: |
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509 | array_type data_; |
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510 | }; |
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511 | |
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512 | |
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513 | // Bounded vector class |
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514 | template<class T, std::size_t N> |
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515 | class bounded_vector: |
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516 | public vector<T, bounded_array<T, N> > { |
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517 | |
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518 | typedef vector<T, bounded_array<T, N> > vector_type; |
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519 | public: |
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520 | typedef typename vector_type::size_type size_type; |
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521 | static const size_type max_size = N; |
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522 | |
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523 | // Construction and destruction |
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524 | BOOST_UBLAS_INLINE |
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525 | bounded_vector (): |
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526 | vector_type (N) {} |
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527 | BOOST_UBLAS_INLINE |
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528 | bounded_vector (size_type size): |
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529 | vector_type (size) {} |
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530 | BOOST_UBLAS_INLINE |
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531 | bounded_vector (const bounded_vector &v): |
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532 | vector_type (v) {} |
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533 | template<class A2> // Allow vector<T,bounded_array<N> construction |
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534 | BOOST_UBLAS_INLINE |
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535 | bounded_vector (const vector<T, A2> &v): |
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536 | vector_type (v) {} |
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537 | template<class AE> |
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538 | BOOST_UBLAS_INLINE |
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539 | bounded_vector (const vector_expression<AE> &ae): |
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540 | vector_type (ae) {} |
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541 | BOOST_UBLAS_INLINE |
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542 | ~bounded_vector () {} |
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543 | |
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544 | // Assignment |
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545 | BOOST_UBLAS_INLINE |
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546 | bounded_vector &operator = (const bounded_vector &v) { |
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547 | vector_type::operator = (v); |
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548 | return *this; |
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549 | } |
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550 | template<class A2> // Generic vector assignment |
---|
551 | BOOST_UBLAS_INLINE |
---|
552 | bounded_vector &operator = (const vector<T, A2> &v) { |
---|
553 | vector_type::operator = (v); |
---|
554 | return *this; |
---|
555 | } |
---|
556 | template<class C> // Container assignment without temporary |
---|
557 | BOOST_UBLAS_INLINE |
---|
558 | bounded_vector &operator = (const vector_container<C> &v) { |
---|
559 | vector_type::operator = (v); |
---|
560 | return *this; |
---|
561 | } |
---|
562 | template<class AE> |
---|
563 | BOOST_UBLAS_INLINE |
---|
564 | bounded_vector &operator = (const vector_expression<AE> &ae) { |
---|
565 | vector_type::operator = (ae); |
---|
566 | return *this; |
---|
567 | } |
---|
568 | }; |
---|
569 | |
---|
570 | |
---|
571 | // Zero vector class |
---|
572 | template<class T> |
---|
573 | class zero_vector: |
---|
574 | public vector_container<zero_vector<T> > { |
---|
575 | |
---|
576 | typedef const T *const_pointer; |
---|
577 | typedef zero_vector<T> self_type; |
---|
578 | public: |
---|
579 | #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS |
---|
580 | using vector_container<self_type>::operator (); |
---|
581 | #endif |
---|
582 | typedef std::size_t size_type; |
---|
583 | typedef std::ptrdiff_t difference_type; |
---|
584 | typedef T value_type; |
---|
585 | typedef const T &const_reference; |
---|
586 | typedef T &reference; |
---|
587 | typedef const vector_reference<const self_type> const_closure_type; |
---|
588 | typedef vector_reference<self_type> closure_type; |
---|
589 | typedef sparse_tag storage_category; |
---|
590 | |
---|
591 | // Construction and destruction |
---|
592 | BOOST_UBLAS_INLINE |
---|
593 | zero_vector (): |
---|
594 | vector_container<self_type> (), |
---|
595 | size_ (0) {} |
---|
596 | explicit BOOST_UBLAS_INLINE |
---|
597 | zero_vector (size_type size): |
---|
598 | vector_container<self_type> (), |
---|
599 | size_ (size) {} |
---|
600 | BOOST_UBLAS_INLINE |
---|
601 | zero_vector (const zero_vector &v): |
---|
602 | vector_container<self_type> (), |
---|
603 | size_ (v.size_) {} |
---|
604 | |
---|
605 | // Accessors |
---|
606 | BOOST_UBLAS_INLINE |
---|
607 | size_type size () const { |
---|
608 | return size_; |
---|
609 | } |
---|
610 | |
---|
611 | // Resizing |
---|
612 | BOOST_UBLAS_INLINE |
---|
613 | void resize (size_type size, bool /*preserve*/ = true) { |
---|
614 | size_ = size; |
---|
615 | } |
---|
616 | |
---|
617 | // Element support |
---|
618 | BOOST_UBLAS_INLINE |
---|
619 | const_pointer find_element (size_type i) const { |
---|
620 | return & zero_; |
---|
621 | } |
---|
622 | |
---|
623 | // Element access |
---|
624 | BOOST_UBLAS_INLINE |
---|
625 | const_reference operator () (size_type /* i */) const { |
---|
626 | return zero_; |
---|
627 | } |
---|
628 | |
---|
629 | BOOST_UBLAS_INLINE |
---|
630 | const_reference operator [] (size_type i) const { |
---|
631 | return (*this) (i); |
---|
632 | } |
---|
633 | |
---|
634 | // Assignment |
---|
635 | BOOST_UBLAS_INLINE |
---|
636 | zero_vector &operator = (const zero_vector &v) { |
---|
637 | size_ = v.size_; |
---|
638 | return *this; |
---|
639 | } |
---|
640 | BOOST_UBLAS_INLINE |
---|
641 | zero_vector &assign_temporary (zero_vector &v) { |
---|
642 | swap (v); |
---|
643 | return *this; |
---|
644 | } |
---|
645 | |
---|
646 | // Swapping |
---|
647 | BOOST_UBLAS_INLINE |
---|
648 | void swap (zero_vector &v) { |
---|
649 | if (this != &v) { |
---|
650 | std::swap (size_, v.size_); |
---|
651 | } |
---|
652 | } |
---|
653 | BOOST_UBLAS_INLINE |
---|
654 | friend void swap (zero_vector &v1, zero_vector &v2) { |
---|
655 | v1.swap (v2); |
---|
656 | } |
---|
657 | |
---|
658 | // Iterator types |
---|
659 | public: |
---|
660 | class const_iterator; |
---|
661 | |
---|
662 | // Element lookup |
---|
663 | BOOST_UBLAS_INLINE |
---|
664 | const_iterator find (size_type /*i*/) const { |
---|
665 | return const_iterator (*this); |
---|
666 | } |
---|
667 | |
---|
668 | class const_iterator: |
---|
669 | public container_const_reference<zero_vector>, |
---|
670 | public bidirectional_iterator_base<sparse_bidirectional_iterator_tag, |
---|
671 | const_iterator, value_type> { |
---|
672 | public: |
---|
673 | typedef typename zero_vector::difference_type difference_type; |
---|
674 | typedef typename zero_vector::value_type value_type; |
---|
675 | typedef typename zero_vector::const_reference reference; |
---|
676 | typedef typename zero_vector::const_pointer pointer; |
---|
677 | |
---|
678 | // Construction and destruction |
---|
679 | BOOST_UBLAS_INLINE |
---|
680 | const_iterator (): |
---|
681 | container_const_reference<self_type> () {} |
---|
682 | BOOST_UBLAS_INLINE |
---|
683 | const_iterator (const self_type &v): |
---|
684 | container_const_reference<self_type> (v) {} |
---|
685 | |
---|
686 | // Arithmetic |
---|
687 | BOOST_UBLAS_INLINE |
---|
688 | const_iterator &operator ++ () { |
---|
689 | BOOST_UBLAS_CHECK_FALSE (bad_index ()); |
---|
690 | return *this; |
---|
691 | } |
---|
692 | BOOST_UBLAS_INLINE |
---|
693 | const_iterator &operator -- () { |
---|
694 | BOOST_UBLAS_CHECK_FALSE (bad_index ()); |
---|
695 | return *this; |
---|
696 | } |
---|
697 | |
---|
698 | // Dereference |
---|
699 | BOOST_UBLAS_INLINE |
---|
700 | const_reference operator * () const { |
---|
701 | BOOST_UBLAS_CHECK_FALSE (bad_index ()); |
---|
702 | return zero_; // arbitary return value |
---|
703 | } |
---|
704 | |
---|
705 | // Index |
---|
706 | BOOST_UBLAS_INLINE |
---|
707 | size_type index () const { |
---|
708 | BOOST_UBLAS_CHECK_FALSE (bad_index ()); |
---|
709 | return 0; // arbitary return value |
---|
710 | } |
---|
711 | |
---|
712 | // Assignment |
---|
713 | BOOST_UBLAS_INLINE |
---|
714 | const_iterator &operator = (const const_iterator &it) { |
---|
715 | container_const_reference<self_type>::assign (&it ()); |
---|
716 | return *this; |
---|
717 | } |
---|
718 | |
---|
719 | // Comparison |
---|
720 | BOOST_UBLAS_INLINE |
---|
721 | bool operator == (const const_iterator &it) const { |
---|
722 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
723 | detail::ignore_unused_variable_warning(it); |
---|
724 | return true; |
---|
725 | } |
---|
726 | }; |
---|
727 | |
---|
728 | typedef const_iterator iterator; |
---|
729 | |
---|
730 | BOOST_UBLAS_INLINE |
---|
731 | const_iterator begin () const { |
---|
732 | return const_iterator (*this); |
---|
733 | } |
---|
734 | BOOST_UBLAS_INLINE |
---|
735 | const_iterator end () const { |
---|
736 | return const_iterator (*this); |
---|
737 | } |
---|
738 | |
---|
739 | // Reverse iterator |
---|
740 | typedef reverse_iterator_base<const_iterator> const_reverse_iterator; |
---|
741 | |
---|
742 | BOOST_UBLAS_INLINE |
---|
743 | const_reverse_iterator rbegin () const { |
---|
744 | return const_reverse_iterator (end ()); |
---|
745 | } |
---|
746 | BOOST_UBLAS_INLINE |
---|
747 | const_reverse_iterator rend () const { |
---|
748 | return const_reverse_iterator (begin ()); |
---|
749 | } |
---|
750 | |
---|
751 | private: |
---|
752 | size_type size_; |
---|
753 | typedef const value_type const_value_type; |
---|
754 | static const_value_type zero_; |
---|
755 | }; |
---|
756 | |
---|
757 | template<class T> |
---|
758 | typename zero_vector<T>::const_value_type zero_vector<T>::zero_ (0); |
---|
759 | |
---|
760 | |
---|
761 | // Unit vector class |
---|
762 | template<class T> |
---|
763 | class unit_vector: |
---|
764 | public vector_container<unit_vector<T> > { |
---|
765 | |
---|
766 | typedef const T *const_pointer; |
---|
767 | typedef unit_vector<T> self_type; |
---|
768 | public: |
---|
769 | #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS |
---|
770 | using vector_container<self_type>::operator (); |
---|
771 | #endif |
---|
772 | typedef std::size_t size_type; |
---|
773 | typedef std::ptrdiff_t difference_type; |
---|
774 | typedef T value_type; |
---|
775 | typedef const T &const_reference; |
---|
776 | typedef T &reference; |
---|
777 | typedef const vector_reference<const self_type> const_closure_type; |
---|
778 | typedef vector_reference<self_type> closure_type; |
---|
779 | typedef sparse_tag storage_category; |
---|
780 | |
---|
781 | // Construction and destruction |
---|
782 | BOOST_UBLAS_INLINE |
---|
783 | unit_vector (): |
---|
784 | vector_container<self_type> (), |
---|
785 | size_ (0), index_ (0) {} |
---|
786 | BOOST_UBLAS_INLINE |
---|
787 | explicit unit_vector (size_type size, size_type index = 0): |
---|
788 | vector_container<self_type> (), |
---|
789 | size_ (size), index_ (index) {} |
---|
790 | BOOST_UBLAS_INLINE |
---|
791 | unit_vector (const unit_vector &v): |
---|
792 | vector_container<self_type> (), |
---|
793 | size_ (v.size_), index_ (v.index_) {} |
---|
794 | |
---|
795 | // Accessors |
---|
796 | BOOST_UBLAS_INLINE |
---|
797 | size_type size () const { |
---|
798 | return size_; |
---|
799 | } |
---|
800 | BOOST_UBLAS_INLINE |
---|
801 | size_type index () const { |
---|
802 | return index_; |
---|
803 | } |
---|
804 | |
---|
805 | // Resizing |
---|
806 | BOOST_UBLAS_INLINE |
---|
807 | void resize (size_type size, bool /*preserve*/ = true) { |
---|
808 | size_ = size; |
---|
809 | } |
---|
810 | |
---|
811 | // Element support |
---|
812 | BOOST_UBLAS_INLINE |
---|
813 | const_pointer find_element (size_type i) const { |
---|
814 | if (i == index_) |
---|
815 | return & one_; |
---|
816 | else |
---|
817 | return & zero_; |
---|
818 | } |
---|
819 | |
---|
820 | // Element access |
---|
821 | BOOST_UBLAS_INLINE |
---|
822 | const_reference operator () (size_type i) const { |
---|
823 | if (i == index_) |
---|
824 | return one_; |
---|
825 | else |
---|
826 | return zero_; |
---|
827 | } |
---|
828 | |
---|
829 | BOOST_UBLAS_INLINE |
---|
830 | const_reference operator [] (size_type i) const { |
---|
831 | return (*this) (i); |
---|
832 | } |
---|
833 | |
---|
834 | // Assignment |
---|
835 | BOOST_UBLAS_INLINE |
---|
836 | unit_vector &operator = (const unit_vector &v) { |
---|
837 | size_ = v.size_; |
---|
838 | index_ = v.index_; |
---|
839 | return *this; |
---|
840 | } |
---|
841 | BOOST_UBLAS_INLINE |
---|
842 | unit_vector &assign_temporary (unit_vector &v) { |
---|
843 | swap (v); |
---|
844 | return *this; |
---|
845 | } |
---|
846 | |
---|
847 | // Swapping |
---|
848 | BOOST_UBLAS_INLINE |
---|
849 | void swap (unit_vector &v) { |
---|
850 | if (this != &v) { |
---|
851 | std::swap (size_, v.size_); |
---|
852 | std::swap (index_, v.index_); |
---|
853 | } |
---|
854 | } |
---|
855 | BOOST_UBLAS_INLINE |
---|
856 | friend void swap (unit_vector &v1, unit_vector &v2) { |
---|
857 | v1.swap (v2); |
---|
858 | } |
---|
859 | |
---|
860 | // Iterator types |
---|
861 | private: |
---|
862 | // Use bool to indicate begin (one_ as value) |
---|
863 | typedef bool const_subiterator_type; |
---|
864 | public: |
---|
865 | class const_iterator; |
---|
866 | |
---|
867 | // Element lookup |
---|
868 | BOOST_UBLAS_INLINE |
---|
869 | const_iterator find (size_type i) const { |
---|
870 | return const_iterator (*this, i == index_); |
---|
871 | } |
---|
872 | |
---|
873 | class const_iterator: |
---|
874 | public container_const_reference<unit_vector>, |
---|
875 | public bidirectional_iterator_base<sparse_bidirectional_iterator_tag, |
---|
876 | const_iterator, value_type> { |
---|
877 | public: |
---|
878 | typedef typename unit_vector::difference_type difference_type; |
---|
879 | typedef typename unit_vector::value_type value_type; |
---|
880 | typedef typename unit_vector::const_reference reference; |
---|
881 | typedef typename unit_vector::const_pointer pointer; |
---|
882 | |
---|
883 | // Construction and destruction |
---|
884 | BOOST_UBLAS_INLINE |
---|
885 | const_iterator (): |
---|
886 | container_const_reference<unit_vector> (), it_ () {} |
---|
887 | BOOST_UBLAS_INLINE |
---|
888 | const_iterator (const unit_vector &v, const const_subiterator_type &it): |
---|
889 | container_const_reference<unit_vector> (v), it_ (it) {} |
---|
890 | |
---|
891 | // Arithmetic |
---|
892 | BOOST_UBLAS_INLINE |
---|
893 | const_iterator &operator ++ () { |
---|
894 | BOOST_UBLAS_CHECK (it_, bad_index ()); |
---|
895 | it_ = !it_; |
---|
896 | return *this; |
---|
897 | } |
---|
898 | BOOST_UBLAS_INLINE |
---|
899 | const_iterator &operator -- () { |
---|
900 | BOOST_UBLAS_CHECK (!it_, bad_index ()); |
---|
901 | it_ = !it_; |
---|
902 | return *this; |
---|
903 | } |
---|
904 | |
---|
905 | // Dereference |
---|
906 | BOOST_UBLAS_INLINE |
---|
907 | const_reference operator * () const { |
---|
908 | BOOST_UBLAS_CHECK (it_, bad_index ()); |
---|
909 | return one_; |
---|
910 | } |
---|
911 | |
---|
912 | // Index |
---|
913 | BOOST_UBLAS_INLINE |
---|
914 | size_type index () const { |
---|
915 | BOOST_UBLAS_CHECK (it_, bad_index ()); |
---|
916 | return (*this) ().index_; |
---|
917 | } |
---|
918 | |
---|
919 | // Assignment |
---|
920 | BOOST_UBLAS_INLINE |
---|
921 | const_iterator &operator = (const const_iterator &it) { |
---|
922 | container_const_reference<unit_vector>::assign (&it ()); |
---|
923 | it_ = it.it_; |
---|
924 | return *this; |
---|
925 | } |
---|
926 | |
---|
927 | // Comparison |
---|
928 | BOOST_UBLAS_INLINE |
---|
929 | bool operator == (const const_iterator &it) const { |
---|
930 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
931 | return it_ == it.it_; |
---|
932 | } |
---|
933 | |
---|
934 | private: |
---|
935 | const_subiterator_type it_; |
---|
936 | }; |
---|
937 | |
---|
938 | typedef const_iterator iterator; |
---|
939 | |
---|
940 | BOOST_UBLAS_INLINE |
---|
941 | const_iterator begin () const { |
---|
942 | return const_iterator (*this, true); |
---|
943 | } |
---|
944 | BOOST_UBLAS_INLINE |
---|
945 | const_iterator end () const { |
---|
946 | return const_iterator (*this, false); |
---|
947 | } |
---|
948 | |
---|
949 | // Reverse iterator |
---|
950 | typedef reverse_iterator_base<const_iterator> const_reverse_iterator; |
---|
951 | |
---|
952 | BOOST_UBLAS_INLINE |
---|
953 | const_reverse_iterator rbegin () const { |
---|
954 | return const_reverse_iterator (end ()); |
---|
955 | } |
---|
956 | BOOST_UBLAS_INLINE |
---|
957 | const_reverse_iterator rend () const { |
---|
958 | return const_reverse_iterator (begin ()); |
---|
959 | } |
---|
960 | |
---|
961 | private: |
---|
962 | size_type size_; |
---|
963 | size_type index_; |
---|
964 | typedef const value_type const_value_type; |
---|
965 | static const_value_type zero_; |
---|
966 | static const_value_type one_; |
---|
967 | }; |
---|
968 | |
---|
969 | template<class T> |
---|
970 | typename unit_vector<T>::const_value_type unit_vector<T>::zero_ (0); |
---|
971 | template<class T> |
---|
972 | typename unit_vector<T>::const_value_type unit_vector<T>::one_ (1); |
---|
973 | |
---|
974 | |
---|
975 | // Scalar vector class |
---|
976 | template<class T> |
---|
977 | class scalar_vector: |
---|
978 | public vector_container<scalar_vector<T> > { |
---|
979 | |
---|
980 | typedef const T *const_pointer; |
---|
981 | typedef scalar_vector<T> self_type; |
---|
982 | public: |
---|
983 | #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS |
---|
984 | using vector_container<self_type>::operator (); |
---|
985 | #endif |
---|
986 | typedef std::size_t size_type; |
---|
987 | typedef std::ptrdiff_t difference_type; |
---|
988 | typedef T value_type; |
---|
989 | typedef const T &const_reference; |
---|
990 | typedef T &reference; |
---|
991 | typedef const vector_reference<const self_type> const_closure_type; |
---|
992 | typedef dense_tag storage_category; |
---|
993 | |
---|
994 | // Construction and destruction |
---|
995 | BOOST_UBLAS_INLINE |
---|
996 | scalar_vector (): |
---|
997 | vector_container<self_type> (), |
---|
998 | size_ (0), value_ () {} |
---|
999 | BOOST_UBLAS_INLINE |
---|
1000 | explicit scalar_vector (size_type size, const value_type &value = value_type(1)): |
---|
1001 | vector_container<self_type> (), |
---|
1002 | size_ (size), value_ (value) {} |
---|
1003 | BOOST_UBLAS_INLINE |
---|
1004 | scalar_vector (const scalar_vector &v): |
---|
1005 | vector_container<self_type> (), |
---|
1006 | size_ (v.size_), value_ (v.value_) {} |
---|
1007 | |
---|
1008 | // Accessors |
---|
1009 | BOOST_UBLAS_INLINE |
---|
1010 | size_type size () const { |
---|
1011 | return size_; |
---|
1012 | } |
---|
1013 | |
---|
1014 | // Resizing |
---|
1015 | BOOST_UBLAS_INLINE |
---|
1016 | void resize (size_type size, bool /*preserve*/ = true) { |
---|
1017 | size_ = size; |
---|
1018 | } |
---|
1019 | |
---|
1020 | // Element support |
---|
1021 | BOOST_UBLAS_INLINE |
---|
1022 | const_pointer find_element (size_type /*i*/) const { |
---|
1023 | return & value_; |
---|
1024 | } |
---|
1025 | |
---|
1026 | // Element access |
---|
1027 | BOOST_UBLAS_INLINE |
---|
1028 | const_reference operator () (size_type /*i*/) const { |
---|
1029 | return value_; |
---|
1030 | } |
---|
1031 | |
---|
1032 | BOOST_UBLAS_INLINE |
---|
1033 | const_reference operator [] (size_type /*i*/) const { |
---|
1034 | return value_; |
---|
1035 | } |
---|
1036 | |
---|
1037 | // Assignment |
---|
1038 | BOOST_UBLAS_INLINE |
---|
1039 | scalar_vector &operator = (const scalar_vector &v) { |
---|
1040 | size_ = v.size_; |
---|
1041 | value_ = v.value_; |
---|
1042 | return *this; |
---|
1043 | } |
---|
1044 | BOOST_UBLAS_INLINE |
---|
1045 | scalar_vector &assign_temporary (scalar_vector &v) { |
---|
1046 | swap (v); |
---|
1047 | return *this; |
---|
1048 | } |
---|
1049 | |
---|
1050 | // Swapping |
---|
1051 | BOOST_UBLAS_INLINE |
---|
1052 | void swap (scalar_vector &v) { |
---|
1053 | if (this != &v) { |
---|
1054 | std::swap (size_, v.size_); |
---|
1055 | std::swap (value_, v.value_); |
---|
1056 | } |
---|
1057 | } |
---|
1058 | BOOST_UBLAS_INLINE |
---|
1059 | friend void swap (scalar_vector &v1, scalar_vector &v2) { |
---|
1060 | v1.swap (v2); |
---|
1061 | } |
---|
1062 | |
---|
1063 | // Iterator types |
---|
1064 | private: |
---|
1065 | // Use an index |
---|
1066 | typedef size_type const_subiterator_type; |
---|
1067 | |
---|
1068 | public: |
---|
1069 | #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR |
---|
1070 | typedef indexed_const_iterator<self_type, dense_random_access_iterator_tag> iterator; |
---|
1071 | typedef indexed_const_iterator<self_type, dense_random_access_iterator_tag> const_iterator; |
---|
1072 | #else |
---|
1073 | class const_iterator; |
---|
1074 | #endif |
---|
1075 | |
---|
1076 | // Element lookup |
---|
1077 | BOOST_UBLAS_INLINE |
---|
1078 | const_iterator find (size_type i) const { |
---|
1079 | return const_iterator (*this, i); |
---|
1080 | } |
---|
1081 | |
---|
1082 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR |
---|
1083 | class const_iterator: |
---|
1084 | public container_const_reference<scalar_vector>, |
---|
1085 | public random_access_iterator_base<dense_random_access_iterator_tag, |
---|
1086 | const_iterator, value_type> { |
---|
1087 | public: |
---|
1088 | typedef typename scalar_vector::difference_type difference_type; |
---|
1089 | typedef typename scalar_vector::value_type value_type; |
---|
1090 | typedef typename scalar_vector::const_reference reference; |
---|
1091 | typedef typename scalar_vector::const_pointer pointer; |
---|
1092 | |
---|
1093 | // Construction and destruction |
---|
1094 | BOOST_UBLAS_INLINE |
---|
1095 | const_iterator (): |
---|
1096 | container_const_reference<scalar_vector> (), it_ () {} |
---|
1097 | BOOST_UBLAS_INLINE |
---|
1098 | const_iterator (const scalar_vector &v, const const_subiterator_type &it): |
---|
1099 | container_const_reference<scalar_vector> (v), it_ (it) {} |
---|
1100 | |
---|
1101 | // Arithmetic |
---|
1102 | BOOST_UBLAS_INLINE |
---|
1103 | const_iterator &operator ++ () { |
---|
1104 | ++ it_; |
---|
1105 | return *this; |
---|
1106 | } |
---|
1107 | BOOST_UBLAS_INLINE |
---|
1108 | const_iterator &operator -- () { |
---|
1109 | -- it_; |
---|
1110 | return *this; |
---|
1111 | } |
---|
1112 | BOOST_UBLAS_INLINE |
---|
1113 | const_iterator &operator += (difference_type n) { |
---|
1114 | it_ += n; |
---|
1115 | return *this; |
---|
1116 | } |
---|
1117 | BOOST_UBLAS_INLINE |
---|
1118 | const_iterator &operator -= (difference_type n) { |
---|
1119 | it_ -= n; |
---|
1120 | return *this; |
---|
1121 | } |
---|
1122 | BOOST_UBLAS_INLINE |
---|
1123 | difference_type operator - (const const_iterator &it) const { |
---|
1124 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
1125 | return it_ - it.it_; |
---|
1126 | } |
---|
1127 | |
---|
1128 | // Dereference |
---|
1129 | BOOST_UBLAS_INLINE |
---|
1130 | const_reference operator * () const { |
---|
1131 | BOOST_UBLAS_CHECK (it_ < (*this) ().size (), bad_index ()); |
---|
1132 | return (*this) () (index ()); |
---|
1133 | } |
---|
1134 | BOOST_UBLAS_INLINE |
---|
1135 | const_reference operator [] (difference_type n) const { |
---|
1136 | return *(*this + n); |
---|
1137 | } |
---|
1138 | |
---|
1139 | // Index |
---|
1140 | BOOST_UBLAS_INLINE |
---|
1141 | size_type index () const { |
---|
1142 | BOOST_UBLAS_CHECK (it_ < (*this) ().size (), bad_index ()); |
---|
1143 | return it_; |
---|
1144 | } |
---|
1145 | |
---|
1146 | // Assignment |
---|
1147 | BOOST_UBLAS_INLINE |
---|
1148 | const_iterator &operator = (const const_iterator &it) { |
---|
1149 | container_const_reference<scalar_vector>::assign (&it ()); |
---|
1150 | it_ = it.it_; |
---|
1151 | return *this; |
---|
1152 | } |
---|
1153 | |
---|
1154 | // Comparison |
---|
1155 | BOOST_UBLAS_INLINE |
---|
1156 | bool operator == (const const_iterator &it) const { |
---|
1157 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
1158 | return it_ == it.it_; |
---|
1159 | } |
---|
1160 | BOOST_UBLAS_INLINE |
---|
1161 | bool operator < (const const_iterator &it) const { |
---|
1162 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
1163 | return it_ < it.it_; |
---|
1164 | } |
---|
1165 | |
---|
1166 | private: |
---|
1167 | const_subiterator_type it_; |
---|
1168 | }; |
---|
1169 | |
---|
1170 | typedef const_iterator iterator; |
---|
1171 | #endif |
---|
1172 | |
---|
1173 | BOOST_UBLAS_INLINE |
---|
1174 | const_iterator begin () const { |
---|
1175 | return find (0); |
---|
1176 | } |
---|
1177 | BOOST_UBLAS_INLINE |
---|
1178 | const_iterator end () const { |
---|
1179 | return find (size_); |
---|
1180 | } |
---|
1181 | |
---|
1182 | // Reverse iterator |
---|
1183 | typedef reverse_iterator_base<const_iterator> const_reverse_iterator; |
---|
1184 | |
---|
1185 | BOOST_UBLAS_INLINE |
---|
1186 | const_reverse_iterator rbegin () const { |
---|
1187 | return const_reverse_iterator (end ()); |
---|
1188 | } |
---|
1189 | BOOST_UBLAS_INLINE |
---|
1190 | const_reverse_iterator rend () const { |
---|
1191 | return const_reverse_iterator (begin ()); |
---|
1192 | } |
---|
1193 | |
---|
1194 | private: |
---|
1195 | size_type size_; |
---|
1196 | value_type value_; |
---|
1197 | }; |
---|
1198 | |
---|
1199 | |
---|
1200 | // Array based vector class |
---|
1201 | template<class T, std::size_t N> |
---|
1202 | class c_vector: |
---|
1203 | public vector_container<c_vector<T, N> > { |
---|
1204 | |
---|
1205 | typedef c_vector<T, N> self_type; |
---|
1206 | public: |
---|
1207 | #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS |
---|
1208 | using vector_container<self_type>::operator (); |
---|
1209 | #endif |
---|
1210 | typedef std::size_t size_type; |
---|
1211 | typedef std::ptrdiff_t difference_type; |
---|
1212 | typedef T value_type; |
---|
1213 | typedef const T &const_reference; |
---|
1214 | typedef T &reference; |
---|
1215 | typedef value_type array_type[N]; |
---|
1216 | typedef T *pointer; |
---|
1217 | typedef const T *const_pointer; |
---|
1218 | typedef const vector_reference<const self_type> const_closure_type; |
---|
1219 | typedef vector_reference<self_type> closure_type; |
---|
1220 | typedef self_type vector_temporary_type; |
---|
1221 | typedef dense_tag storage_category; |
---|
1222 | |
---|
1223 | // Construction and destruction |
---|
1224 | BOOST_UBLAS_INLINE |
---|
1225 | c_vector (): |
---|
1226 | size_ (N) /* , data_ () */ {} |
---|
1227 | explicit BOOST_UBLAS_INLINE |
---|
1228 | c_vector (size_type size): |
---|
1229 | size_ (size) /* , data_ () */ { |
---|
1230 | if (size_ > N) |
---|
1231 | bad_size ().raise (); |
---|
1232 | } |
---|
1233 | BOOST_UBLAS_INLINE |
---|
1234 | c_vector (const c_vector &v): |
---|
1235 | size_ (v.size_) /* , data_ () */ { |
---|
1236 | if (size_ > N) |
---|
1237 | bad_size ().raise (); |
---|
1238 | *this = v; |
---|
1239 | } |
---|
1240 | template<class AE> |
---|
1241 | BOOST_UBLAS_INLINE |
---|
1242 | c_vector (const vector_expression<AE> &ae): |
---|
1243 | size_ (ae ().size ()) /* , data_ () */ { |
---|
1244 | if (size_ > N) |
---|
1245 | bad_size ().raise (); |
---|
1246 | vector_assign<scalar_assign> (*this, ae); |
---|
1247 | } |
---|
1248 | |
---|
1249 | // Accessors |
---|
1250 | BOOST_UBLAS_INLINE |
---|
1251 | size_type size () const { |
---|
1252 | return size_; |
---|
1253 | } |
---|
1254 | BOOST_UBLAS_INLINE |
---|
1255 | const_pointer data () const { |
---|
1256 | return data_; |
---|
1257 | } |
---|
1258 | BOOST_UBLAS_INLINE |
---|
1259 | pointer data () { |
---|
1260 | return data_; |
---|
1261 | } |
---|
1262 | |
---|
1263 | // Resizing |
---|
1264 | BOOST_UBLAS_INLINE |
---|
1265 | void resize (size_type size, bool preserve = true) { |
---|
1266 | if (size > N) |
---|
1267 | bad_size ().raise (); |
---|
1268 | size_ = size; |
---|
1269 | } |
---|
1270 | |
---|
1271 | // Element support |
---|
1272 | BOOST_UBLAS_INLINE |
---|
1273 | pointer find_element (size_type i) { |
---|
1274 | return const_cast<pointer> (const_cast<const self_type&>(*this).find_element (i)); |
---|
1275 | } |
---|
1276 | BOOST_UBLAS_INLINE |
---|
1277 | const_pointer find_element (size_type i) const { |
---|
1278 | return & data_ [i]; |
---|
1279 | } |
---|
1280 | |
---|
1281 | // Element access |
---|
1282 | BOOST_UBLAS_INLINE |
---|
1283 | const_reference operator () (size_type i) const { |
---|
1284 | BOOST_UBLAS_CHECK (i < size_, bad_index ()); |
---|
1285 | return data_ [i]; |
---|
1286 | } |
---|
1287 | BOOST_UBLAS_INLINE |
---|
1288 | reference operator () (size_type i) { |
---|
1289 | BOOST_UBLAS_CHECK (i < size_, bad_index ()); |
---|
1290 | return data_ [i]; |
---|
1291 | } |
---|
1292 | |
---|
1293 | BOOST_UBLAS_INLINE |
---|
1294 | const_reference operator [] (size_type i) const { |
---|
1295 | return (*this) (i); |
---|
1296 | } |
---|
1297 | BOOST_UBLAS_INLINE |
---|
1298 | reference operator [] (size_type i) { |
---|
1299 | return (*this) (i); |
---|
1300 | } |
---|
1301 | |
---|
1302 | // Element assignment |
---|
1303 | BOOST_UBLAS_INLINE |
---|
1304 | reference insert_element (size_type i, const_reference t) { |
---|
1305 | BOOST_UBLAS_CHECK (i < size_, bad_index ()); |
---|
1306 | return (data_ [i] = t); |
---|
1307 | } |
---|
1308 | BOOST_UBLAS_INLINE |
---|
1309 | void erase_element (size_type i) { |
---|
1310 | BOOST_UBLAS_CHECK (i < size_, bad_index ()); |
---|
1311 | data_ [i] = value_type/*zero*/(); |
---|
1312 | } |
---|
1313 | |
---|
1314 | // Zeroing |
---|
1315 | BOOST_UBLAS_INLINE |
---|
1316 | void clear () { |
---|
1317 | std::fill (data_, data_ + size_, value_type/*zero*/()); |
---|
1318 | } |
---|
1319 | |
---|
1320 | // Assignment |
---|
1321 | BOOST_UBLAS_INLINE |
---|
1322 | c_vector &operator = (const c_vector &v) { |
---|
1323 | size_ = v.size_; |
---|
1324 | std::copy (v.data_, v.data_ + v.size_, data_); |
---|
1325 | return *this; |
---|
1326 | } |
---|
1327 | template<class C> // Container assignment without temporary |
---|
1328 | BOOST_UBLAS_INLINE |
---|
1329 | c_vector &operator = (const vector_container<C> &v) { |
---|
1330 | resize (v ().size (), false); |
---|
1331 | assign (v); |
---|
1332 | return *this; |
---|
1333 | } |
---|
1334 | BOOST_UBLAS_INLINE |
---|
1335 | c_vector &assign_temporary (c_vector &v) { |
---|
1336 | swap (v); |
---|
1337 | return *this; |
---|
1338 | } |
---|
1339 | template<class AE> |
---|
1340 | BOOST_UBLAS_INLINE |
---|
1341 | c_vector &operator = (const vector_expression<AE> &ae) { |
---|
1342 | self_type temporary (ae); |
---|
1343 | return assign_temporary (temporary); |
---|
1344 | } |
---|
1345 | template<class AE> |
---|
1346 | BOOST_UBLAS_INLINE |
---|
1347 | c_vector &assign (const vector_expression<AE> &ae) { |
---|
1348 | vector_assign<scalar_assign> (*this, ae); |
---|
1349 | return *this; |
---|
1350 | } |
---|
1351 | |
---|
1352 | // Computed assignment |
---|
1353 | template<class AE> |
---|
1354 | BOOST_UBLAS_INLINE |
---|
1355 | c_vector &operator += (const vector_expression<AE> &ae) { |
---|
1356 | self_type temporary (*this + ae); |
---|
1357 | return assign_temporary (temporary); |
---|
1358 | } |
---|
1359 | template<class C> // Container assignment without temporary |
---|
1360 | BOOST_UBLAS_INLINE |
---|
1361 | c_vector &operator += (const vector_container<C> &v) { |
---|
1362 | plus_assign (v); |
---|
1363 | return *this; |
---|
1364 | } |
---|
1365 | template<class AE> |
---|
1366 | BOOST_UBLAS_INLINE |
---|
1367 | c_vector &plus_assign (const vector_expression<AE> &ae) { |
---|
1368 | vector_assign<scalar_plus_assign> ( *this, ae); |
---|
1369 | return *this; |
---|
1370 | } |
---|
1371 | template<class AE> |
---|
1372 | BOOST_UBLAS_INLINE |
---|
1373 | c_vector &operator -= (const vector_expression<AE> &ae) { |
---|
1374 | self_type temporary (*this - ae); |
---|
1375 | return assign_temporary (temporary); |
---|
1376 | } |
---|
1377 | template<class C> // Container assignment without temporary |
---|
1378 | BOOST_UBLAS_INLINE |
---|
1379 | c_vector &operator -= (const vector_container<C> &v) { |
---|
1380 | minus_assign (v); |
---|
1381 | return *this; |
---|
1382 | } |
---|
1383 | template<class AE> |
---|
1384 | BOOST_UBLAS_INLINE |
---|
1385 | c_vector &minus_assign (const vector_expression<AE> &ae) { |
---|
1386 | vector_assign<scalar_minus_assign> (*this, ae); |
---|
1387 | return *this; |
---|
1388 | } |
---|
1389 | template<class AT> |
---|
1390 | BOOST_UBLAS_INLINE |
---|
1391 | c_vector &operator *= (const AT &at) { |
---|
1392 | vector_assign_scalar<scalar_multiplies_assign> (*this, at); |
---|
1393 | return *this; |
---|
1394 | } |
---|
1395 | template<class AT> |
---|
1396 | BOOST_UBLAS_INLINE |
---|
1397 | c_vector &operator /= (const AT &at) { |
---|
1398 | vector_assign_scalar<scalar_divides_assign> (*this, at); |
---|
1399 | return *this; |
---|
1400 | } |
---|
1401 | |
---|
1402 | // Swapping |
---|
1403 | BOOST_UBLAS_INLINE |
---|
1404 | void swap (c_vector &v) { |
---|
1405 | if (this != &v) { |
---|
1406 | BOOST_UBLAS_CHECK (size_ == v.size_, bad_size ()); |
---|
1407 | std::swap (size_, v.size_); |
---|
1408 | std::swap_ranges (data_, data_ + size_, v.data_); |
---|
1409 | } |
---|
1410 | } |
---|
1411 | BOOST_UBLAS_INLINE |
---|
1412 | friend void swap (c_vector &v1, c_vector &v2) { |
---|
1413 | v1.swap (v2); |
---|
1414 | } |
---|
1415 | |
---|
1416 | // Iterator types |
---|
1417 | private: |
---|
1418 | // Use pointers for iterator |
---|
1419 | typedef const_pointer const_subiterator_type; |
---|
1420 | typedef pointer subiterator_type; |
---|
1421 | |
---|
1422 | public: |
---|
1423 | #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR |
---|
1424 | typedef indexed_iterator<self_type, dense_random_access_iterator_tag> iterator; |
---|
1425 | typedef indexed_const_iterator<self_type, dense_random_access_iterator_tag> const_iterator; |
---|
1426 | #else |
---|
1427 | class const_iterator; |
---|
1428 | class iterator; |
---|
1429 | #endif |
---|
1430 | |
---|
1431 | // Element lookup |
---|
1432 | BOOST_UBLAS_INLINE |
---|
1433 | const_iterator find (size_type i) const { |
---|
1434 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR |
---|
1435 | return const_iterator (*this, &data_ [i]); |
---|
1436 | #else |
---|
1437 | return const_iterator (*this, i); |
---|
1438 | #endif |
---|
1439 | } |
---|
1440 | BOOST_UBLAS_INLINE |
---|
1441 | iterator find (size_type i) { |
---|
1442 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR |
---|
1443 | return iterator (*this, &data_ [i]); |
---|
1444 | #else |
---|
1445 | return iterator (*this, i); |
---|
1446 | #endif |
---|
1447 | } |
---|
1448 | |
---|
1449 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR |
---|
1450 | class const_iterator: |
---|
1451 | public container_const_reference<c_vector>, |
---|
1452 | public random_access_iterator_base<dense_random_access_iterator_tag, |
---|
1453 | const_iterator, value_type> { |
---|
1454 | public: |
---|
1455 | typedef typename c_vector::difference_type difference_type; |
---|
1456 | typedef typename c_vector::value_type value_type; |
---|
1457 | typedef typename c_vector::const_reference reference; |
---|
1458 | typedef typename c_vector::const_pointer pointer; |
---|
1459 | |
---|
1460 | // Construction and destruction |
---|
1461 | BOOST_UBLAS_INLINE |
---|
1462 | const_iterator (): |
---|
1463 | container_const_reference<self_type> (), it_ () {} |
---|
1464 | BOOST_UBLAS_INLINE |
---|
1465 | const_iterator (const self_type &v, const const_subiterator_type &it): |
---|
1466 | container_const_reference<self_type> (v), it_ (it) {} |
---|
1467 | BOOST_UBLAS_INLINE |
---|
1468 | const_iterator (const typename self_type::iterator &it): // ISSUE self_type:: stops VC8 using std::iterator here |
---|
1469 | container_const_reference<self_type> (it ()), it_ (it.it_) {} |
---|
1470 | |
---|
1471 | // Arithmetic |
---|
1472 | BOOST_UBLAS_INLINE |
---|
1473 | const_iterator &operator ++ () { |
---|
1474 | ++ it_; |
---|
1475 | return *this; |
---|
1476 | } |
---|
1477 | BOOST_UBLAS_INLINE |
---|
1478 | const_iterator &operator -- () { |
---|
1479 | -- it_; |
---|
1480 | return *this; |
---|
1481 | } |
---|
1482 | BOOST_UBLAS_INLINE |
---|
1483 | const_iterator &operator += (difference_type n) { |
---|
1484 | it_ += n; |
---|
1485 | return *this; |
---|
1486 | } |
---|
1487 | BOOST_UBLAS_INLINE |
---|
1488 | const_iterator &operator -= (difference_type n) { |
---|
1489 | it_ -= n; |
---|
1490 | return *this; |
---|
1491 | } |
---|
1492 | BOOST_UBLAS_INLINE |
---|
1493 | difference_type operator - (const const_iterator &it) const { |
---|
1494 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
1495 | return it_ - it.it_; |
---|
1496 | } |
---|
1497 | |
---|
1498 | // Dereference |
---|
1499 | BOOST_UBLAS_INLINE |
---|
1500 | const_reference operator * () const { |
---|
1501 | BOOST_UBLAS_CHECK (it_ >= (*this) ().begin ().it_ && it_ < (*this) ().end ().it_, bad_index ()); |
---|
1502 | return *it_; |
---|
1503 | } |
---|
1504 | BOOST_UBLAS_INLINE |
---|
1505 | const_reference operator [] (difference_type n) const { |
---|
1506 | return *(it_ + n); |
---|
1507 | } |
---|
1508 | |
---|
1509 | // Index |
---|
1510 | BOOST_UBLAS_INLINE |
---|
1511 | size_type index () const { |
---|
1512 | BOOST_UBLAS_CHECK (it_ >= (*this) ().begin ().it_ && it_ < (*this) ().end ().it_, bad_index ()); |
---|
1513 | const self_type &v = (*this) (); |
---|
1514 | return it_ - v.begin ().it_; |
---|
1515 | } |
---|
1516 | |
---|
1517 | // Assignment |
---|
1518 | BOOST_UBLAS_INLINE |
---|
1519 | const_iterator &operator = (const const_iterator &it) { |
---|
1520 | container_const_reference<self_type>::assign (&it ()); |
---|
1521 | it_ = it.it_; |
---|
1522 | return *this; |
---|
1523 | } |
---|
1524 | |
---|
1525 | // Comparison |
---|
1526 | BOOST_UBLAS_INLINE |
---|
1527 | bool operator == (const const_iterator &it) const { |
---|
1528 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
1529 | return it_ == it.it_; |
---|
1530 | } |
---|
1531 | BOOST_UBLAS_INLINE |
---|
1532 | bool operator < (const const_iterator &it) const { |
---|
1533 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
1534 | return it_ < it.it_; |
---|
1535 | } |
---|
1536 | |
---|
1537 | private: |
---|
1538 | const_subiterator_type it_; |
---|
1539 | |
---|
1540 | friend class iterator; |
---|
1541 | }; |
---|
1542 | #endif |
---|
1543 | |
---|
1544 | BOOST_UBLAS_INLINE |
---|
1545 | const_iterator begin () const { |
---|
1546 | return find (0); |
---|
1547 | } |
---|
1548 | BOOST_UBLAS_INLINE |
---|
1549 | const_iterator end () const { |
---|
1550 | return find (size_); |
---|
1551 | } |
---|
1552 | |
---|
1553 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR |
---|
1554 | class iterator: |
---|
1555 | public container_reference<c_vector>, |
---|
1556 | public random_access_iterator_base<dense_random_access_iterator_tag, |
---|
1557 | iterator, value_type> { |
---|
1558 | public: |
---|
1559 | typedef typename c_vector::difference_type difference_type; |
---|
1560 | typedef typename c_vector::value_type value_type; |
---|
1561 | typedef typename c_vector::reference reference; |
---|
1562 | typedef typename c_vector::pointer pointer; |
---|
1563 | |
---|
1564 | // Construction and destruction |
---|
1565 | BOOST_UBLAS_INLINE |
---|
1566 | iterator (): |
---|
1567 | container_reference<self_type> (), it_ () {} |
---|
1568 | BOOST_UBLAS_INLINE |
---|
1569 | iterator (self_type &v, const subiterator_type &it): |
---|
1570 | container_reference<self_type> (v), it_ (it) {} |
---|
1571 | |
---|
1572 | // Arithmetic |
---|
1573 | BOOST_UBLAS_INLINE |
---|
1574 | iterator &operator ++ () { |
---|
1575 | ++ it_; |
---|
1576 | return *this; |
---|
1577 | } |
---|
1578 | BOOST_UBLAS_INLINE |
---|
1579 | iterator &operator -- () { |
---|
1580 | -- it_; |
---|
1581 | return *this; |
---|
1582 | } |
---|
1583 | BOOST_UBLAS_INLINE |
---|
1584 | iterator &operator += (difference_type n) { |
---|
1585 | it_ += n; |
---|
1586 | return *this; |
---|
1587 | } |
---|
1588 | BOOST_UBLAS_INLINE |
---|
1589 | iterator &operator -= (difference_type n) { |
---|
1590 | it_ -= n; |
---|
1591 | return *this; |
---|
1592 | } |
---|
1593 | BOOST_UBLAS_INLINE |
---|
1594 | difference_type operator - (const iterator &it) const { |
---|
1595 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
1596 | return it_ - it.it_; |
---|
1597 | } |
---|
1598 | |
---|
1599 | // Dereference |
---|
1600 | BOOST_UBLAS_INLINE |
---|
1601 | reference operator * () const { |
---|
1602 | BOOST_UBLAS_CHECK (it_ >= (*this) ().begin ().it_ && it_ < (*this) ().end ().it_, bad_index ()); |
---|
1603 | return *it_; |
---|
1604 | } |
---|
1605 | BOOST_UBLAS_INLINE |
---|
1606 | reference operator [] (difference_type n) const { |
---|
1607 | return *(it_ + n); |
---|
1608 | } |
---|
1609 | |
---|
1610 | // Index |
---|
1611 | BOOST_UBLAS_INLINE |
---|
1612 | size_type index () const { |
---|
1613 | BOOST_UBLAS_CHECK (it_ >= (*this) ().begin ().it_ && it_ < (*this) ().end ().it_, bad_index ()); |
---|
1614 | // EDG won't allow const self_type it doesn't allow friend access to it_ |
---|
1615 | self_type &v = (*this) (); |
---|
1616 | return it_ - v.begin ().it_; |
---|
1617 | } |
---|
1618 | |
---|
1619 | // Assignment |
---|
1620 | BOOST_UBLAS_INLINE |
---|
1621 | iterator &operator = (const iterator &it) { |
---|
1622 | container_reference<self_type>::assign (&it ()); |
---|
1623 | it_ = it.it_; |
---|
1624 | return *this; |
---|
1625 | } |
---|
1626 | |
---|
1627 | // Comparison |
---|
1628 | BOOST_UBLAS_INLINE |
---|
1629 | bool operator == (const iterator &it) const { |
---|
1630 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
1631 | return it_ == it.it_; |
---|
1632 | } |
---|
1633 | BOOST_UBLAS_INLINE |
---|
1634 | bool operator < (const iterator &it) const { |
---|
1635 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ()); |
---|
1636 | return it_ < it.it_; |
---|
1637 | } |
---|
1638 | |
---|
1639 | private: |
---|
1640 | subiterator_type it_; |
---|
1641 | |
---|
1642 | friend class const_iterator; |
---|
1643 | }; |
---|
1644 | #endif |
---|
1645 | |
---|
1646 | BOOST_UBLAS_INLINE |
---|
1647 | iterator begin () { |
---|
1648 | return find (0); |
---|
1649 | } |
---|
1650 | BOOST_UBLAS_INLINE |
---|
1651 | iterator end () { |
---|
1652 | return find (size_); |
---|
1653 | } |
---|
1654 | |
---|
1655 | // Reverse iterator |
---|
1656 | typedef reverse_iterator_base<const_iterator> const_reverse_iterator; |
---|
1657 | typedef reverse_iterator_base<iterator> reverse_iterator; |
---|
1658 | |
---|
1659 | BOOST_UBLAS_INLINE |
---|
1660 | const_reverse_iterator rbegin () const { |
---|
1661 | return const_reverse_iterator (end ()); |
---|
1662 | } |
---|
1663 | BOOST_UBLAS_INLINE |
---|
1664 | const_reverse_iterator rend () const { |
---|
1665 | return const_reverse_iterator (begin ()); |
---|
1666 | } |
---|
1667 | BOOST_UBLAS_INLINE |
---|
1668 | reverse_iterator rbegin () { |
---|
1669 | return reverse_iterator (end ()); |
---|
1670 | } |
---|
1671 | BOOST_UBLAS_INLINE |
---|
1672 | reverse_iterator rend () { |
---|
1673 | return reverse_iterator (begin ()); |
---|
1674 | } |
---|
1675 | |
---|
1676 | private: |
---|
1677 | size_type size_; |
---|
1678 | array_type data_; |
---|
1679 | }; |
---|
1680 | |
---|
1681 | }}} |
---|
1682 | |
---|
1683 | #endif |
---|