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1 // Template array classes with like-type math ops -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1993, 1994, 1995 John W. Eaton |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 2, or (at your option) any |
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11 later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, write to the Free |
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20 Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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21 |
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22 */ |
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23 |
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382
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24 #if !defined (octave_MArray_h) |
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25 #define octave_MArray_h 1 |
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26 |
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27 extern "C++" { |
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28 |
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29 #include "Array.h" |
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30 |
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31 // Classes we declare. |
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32 |
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33 template <class T> class MArray; |
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34 template <class T> class MArray2; |
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35 template <class T> class MDiagArray; |
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36 |
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37 /* |
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38 * One dimensional array with math ops. |
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39 */ |
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40 |
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41 template <class T> |
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42 class MArray : public Array<T> |
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43 { |
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44 protected: |
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45 |
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46 MArray (T *d, int l) : Array<T> (d, l) { } |
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47 |
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48 public: |
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49 |
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50 MArray (void) : Array<T> () { } |
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51 MArray (int n) : Array<T> (n) { } |
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52 MArray (int n, const T& val) : Array<T> (n, val) { } |
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53 MArray (const Array<T>& a) : Array<T> (a) { } |
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54 MArray (const MArray<T>& a) : Array<T> (a) { } |
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55 |
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56 MArray<T>& operator = (const MArray<T>& a) |
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57 { |
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58 Array<T>::operator = (a); |
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59 return *this; |
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60 } |
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61 |
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62 // Element by element MArray by scalar ops. |
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63 |
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64 MArray<T>& operator += (const T& s); |
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65 MArray<T>& operator -= (const T& s); |
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66 |
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67 // Element by element MArray by MArray ops. |
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68 |
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69 MArray<T>& operator += (const MArray<T>& a); |
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70 MArray<T>& operator -= (const MArray<T>& a); |
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71 |
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72 // Element by element MArray by scalar ops. |
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73 |
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74 friend MArray<T> operator + (const MArray<T>& a, const T& s); |
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75 friend MArray<T> operator - (const MArray<T>& a, const T& s); |
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76 friend MArray<T> operator * (const MArray<T>& a, const T& s); |
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77 friend MArray<T> operator / (const MArray<T>& a, const T& s); |
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78 |
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79 // Element by element scalar by MArray ops. |
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80 |
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81 friend MArray<T> operator + (const T& s, const MArray<T>& a); |
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82 friend MArray<T> operator - (const T& s, const MArray<T>& a); |
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83 friend MArray<T> operator * (const T& s, const MArray<T>& a); |
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84 friend MArray<T> operator / (const T& s, const MArray<T>& a); |
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85 |
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86 // Element by element MArray by MArray ops. |
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87 |
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88 friend MArray<T> operator + (const MArray<T>& a, const MArray<T>& b); |
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89 |
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90 friend MArray<T> operator - (const MArray<T>& a, const MArray<T>& b); |
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91 |
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92 friend MArray<T> product (const MArray<T>& a, const MArray<T>& b); |
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93 friend MArray<T> quotient (const MArray<T>& a, const MArray<T>& b); |
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94 |
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95 friend MArray<T> operator - (const MArray<T>& a); |
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96 }; |
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97 |
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98 /* |
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99 * Two dimensional array with math ops. |
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100 */ |
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101 |
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102 template <class T> |
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103 class MArray2 : public Array2<T> |
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104 { |
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105 protected: |
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106 |
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107 MArray2 (T *d, int n, int m) : Array2<T> (d, n, m) { } |
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108 |
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109 public: |
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110 |
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111 MArray2 (void) : Array2<T> () { } |
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112 MArray2 (int n, int m) : Array2<T> (n, m) { } |
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113 MArray2 (int n, int m, const T& val) : Array2<T> (n, m, val) { } |
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114 MArray2 (const Array2<T>& a) : Array2<T> (a) { } |
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115 MArray2 (const MArray2<T>& a) : Array2<T> (a) { } |
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116 MArray2 (const MDiagArray<T>& a); |
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117 |
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118 MArray2<T>& operator = (const MArray2<T>& a) |
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119 { |
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120 Array2<T>::operator = (a); |
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121 return *this; |
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122 } |
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123 |
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124 // Element by element MArray2 by scalar ops. |
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125 |
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126 MArray2<T>& operator += (const T& s); |
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127 MArray2<T>& operator -= (const T& s); |
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128 |
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129 // Element by element MArray2 by MArray2 ops. |
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130 |
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131 MArray2<T>& operator += (const MArray2<T>& a); |
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132 MArray2<T>& operator -= (const MArray2<T>& a); |
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133 |
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134 // Element by element MArray2 by scalar ops. |
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135 |
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136 friend MArray2<T> operator + (const MArray2<T>& a, const T& s); |
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137 friend MArray2<T> operator - (const MArray2<T>& a, const T& s); |
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138 friend MArray2<T> operator * (const MArray2<T>& a, const T& s); |
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139 friend MArray2<T> operator / (const MArray2<T>& a, const T& s); |
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140 |
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141 // Element by element scalar by MArray2 ops. |
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142 |
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143 friend MArray2<T> operator + (const T& s, const MArray2<T>& a); |
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144 friend MArray2<T> operator - (const T& s, const MArray2<T>& a); |
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145 friend MArray2<T> operator * (const T& s, const MArray2<T>& a); |
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146 friend MArray2<T> operator / (const T& s, const MArray2<T>& a); |
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147 |
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148 // Element by element MArray2 by MArray2 ops. |
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149 |
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150 friend MArray2<T> operator + (const MArray2<T>& a, const MArray2<T>& b); |
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151 friend MArray2<T> operator - (const MArray2<T>& a, const MArray2<T>& b); |
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152 |
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153 friend MArray2<T> product (const MArray2<T>& a, const MArray2<T>& b); |
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154 friend MArray2<T> quotient (const MArray2<T>& a, const MArray2<T>& b); |
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155 |
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156 friend MArray2<T> operator - (const MArray2<T>& a); |
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157 }; |
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158 |
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159 /* |
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160 * Two dimensional diagonal array with math ops. |
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161 */ |
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162 |
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163 template <class T> |
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164 class MDiagArray : public DiagArray<T> |
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165 { |
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166 protected: |
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167 |
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168 MDiagArray (T *d, int r, int c) : DiagArray<T> (d, r, c) { } |
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169 |
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170 public: |
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171 |
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172 MDiagArray (void) : DiagArray<T> () { } |
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173 MDiagArray (int n) : DiagArray<T> (n) { } |
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174 MDiagArray (int n, const T& val) : DiagArray<T> (n, val) { } |
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175 MDiagArray (int r, int c) : DiagArray<T> (r, c) { } |
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176 MDiagArray (int r, int c, const T& val) : DiagArray<T> (r, c, val) { } |
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177 MDiagArray (const DiagArray<T>& a) : DiagArray<T> (a) { } |
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178 MDiagArray (const MDiagArray<T>& a) : DiagArray<T> (a) { } |
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179 MDiagArray (const MArray<T>& a) : DiagArray<T> (a) { } |
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180 |
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181 MDiagArray<T>& operator = (const MDiagArray<T>& a) |
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182 { |
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183 DiagArray<T>::operator = (a); |
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184 return *this; |
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185 } |
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186 |
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187 // Element by element MDiagArray by MDiagArray ops. |
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188 |
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189 MDiagArray<T>& operator += (const MDiagArray<T>& a); |
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190 MDiagArray<T>& operator -= (const MDiagArray<T>& a); |
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191 |
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192 // Element by element MDiagArray by scalar ops. |
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193 |
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194 friend MDiagArray<T> operator * (const MDiagArray<T>& a, const T& s); |
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195 friend MDiagArray<T> operator / (const MDiagArray<T>& a, const T& s); |
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196 |
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197 // Element by element scalar by MDiagArray ops. |
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198 |
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199 friend MDiagArray<T> operator * (const T& s, const MDiagArray<T>& a); |
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200 |
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201 // Element by element MDiagArray by MDiagArray ops. |
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202 |
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203 friend MDiagArray<T> operator + (const MDiagArray<T>& a, |
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204 const MDiagArray<T>& b); |
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205 |
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206 friend MDiagArray<T> operator - (const MDiagArray<T>& a, |
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207 const MDiagArray<T>& b); |
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208 |
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209 friend MDiagArray<T> product (const MDiagArray<T>& a, |
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210 const MDiagArray<T>& b); |
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211 |
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212 friend MDiagArray<T> operator - (const MDiagArray<T>& a); |
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213 }; |
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214 |
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215 } // extern "C++" |
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216 |
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217 #endif |
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218 |
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219 /* |
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220 ;;; Local Variables: *** |
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221 ;;; mode: C++ *** |
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222 ;;; page-delimiter: "^/\\*" *** |
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223 ;;; End: *** |
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224 */ |
