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1 // kludge.h -*- C++ -*- |
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2 /* |
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3 |
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4 Copyright (C) 1992, 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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24 // Nothing like a little CPP abuse to brighten everyone's day. Would |
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25 // have been nice to do this with template functions but as of 2.5.x, |
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26 // g++ seems to fail in various ways, either not resolving general |
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27 // template functions, or not instatiating non-member template |
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28 // functions. |
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29 // |
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30 // When templates work more reliably in g++, this will be replaced by |
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31 // the MArray class. |
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32 |
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33 #ifdef KLUDGE_VECTORS |
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34 |
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35 /* |
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36 * Like type operations for vectors. |
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37 */ |
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38 |
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39 // Element by element vector by scalar ops. |
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40 |
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41 friend KL_VEC_TYPE operator + (const KL_VEC_TYPE& a, const TYPE& s); |
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42 friend KL_VEC_TYPE operator - (const KL_VEC_TYPE& a, const TYPE& s); |
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43 friend KL_VEC_TYPE operator * (const KL_VEC_TYPE& a, const TYPE& s); |
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44 friend KL_VEC_TYPE operator / (const KL_VEC_TYPE& a, const TYPE& s); |
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45 |
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46 // Element by element scalar by vector ops. |
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47 |
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48 friend KL_VEC_TYPE operator + (const TYPE& s, const KL_VEC_TYPE& a); |
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49 friend KL_VEC_TYPE operator - (const TYPE& s, const KL_VEC_TYPE& a); |
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50 friend KL_VEC_TYPE operator * (const TYPE& s, const KL_VEC_TYPE& a); |
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51 friend KL_VEC_TYPE operator / (const TYPE& s, const KL_VEC_TYPE& a); |
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52 |
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53 // Element by element vector by vector ops. |
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54 |
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55 friend KL_VEC_TYPE operator + (const KL_VEC_TYPE& a, const KL_VEC_TYPE& b); |
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56 friend KL_VEC_TYPE operator - (const KL_VEC_TYPE& a, const KL_VEC_TYPE& b); |
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57 |
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58 friend KL_VEC_TYPE product (const KL_VEC_TYPE& a, const KL_VEC_TYPE& b); |
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59 friend KL_VEC_TYPE quotient (const KL_VEC_TYPE& a, const KL_VEC_TYPE& b); |
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60 |
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61 // Unary MArray ops. |
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62 |
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63 friend KL_VEC_TYPE operator - (const KL_VEC_TYPE& a); |
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64 |
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65 #endif |
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66 |
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67 #ifdef KLUDGE_MATRICES |
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68 |
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69 /* |
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70 * Like type operations for matrices |
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71 */ |
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72 |
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73 // Element by element matrix by scalar ops. |
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74 |
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75 friend KL_MAT_TYPE operator + (const KL_MAT_TYPE& a, const TYPE& s); |
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76 friend KL_MAT_TYPE operator - (const KL_MAT_TYPE& a, const TYPE& s); |
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77 friend KL_MAT_TYPE operator * (const KL_MAT_TYPE& a, const TYPE& s); |
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78 friend KL_MAT_TYPE operator / (const KL_MAT_TYPE& a, const TYPE& s); |
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79 |
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80 // Element by element scalar by matrix ops. |
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81 |
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82 friend KL_MAT_TYPE operator + (const TYPE& s, const KL_MAT_TYPE& a); |
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83 friend KL_MAT_TYPE operator - (const TYPE& s, const KL_MAT_TYPE& a); |
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84 friend KL_MAT_TYPE operator * (const TYPE& s, const KL_MAT_TYPE& a); |
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85 friend KL_MAT_TYPE operator / (const TYPE& s, const KL_MAT_TYPE& a); |
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86 |
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87 // Element by element matrix by matrix ops. |
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88 |
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89 friend KL_MAT_TYPE operator + (const KL_MAT_TYPE& a, const KL_MAT_TYPE& b); |
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90 friend KL_MAT_TYPE operator - (const KL_MAT_TYPE& a, const KL_MAT_TYPE& b); |
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91 |
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92 friend KL_MAT_TYPE product (const KL_MAT_TYPE& a, const KL_MAT_TYPE& b); |
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93 friend KL_MAT_TYPE quotient (const KL_MAT_TYPE& a, const KL_MAT_TYPE& b); |
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94 |
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95 // Unary matrix ops. |
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96 |
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97 friend KL_MAT_TYPE operator - (const KL_MAT_TYPE& a); |
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98 |
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99 #endif |
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100 |
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101 #ifdef KLUDGE_DIAG_MATRICES |
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102 |
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103 /* |
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104 * Like type operations for diagonal matrices. |
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105 */ |
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106 |
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107 // Element by element MDiagArray by scalar ops. |
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108 |
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109 friend KL_DMAT_TYPE operator * (const KL_DMAT_TYPE& a, const TYPE& s); |
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110 friend KL_DMAT_TYPE operator / (const KL_DMAT_TYPE& a, const TYPE& s); |
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111 |
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112 // Element by element scalar by MDiagArray ops. |
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113 |
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114 friend KL_DMAT_TYPE operator * (const TYPE& s, const KL_DMAT_TYPE& a); |
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115 |
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116 // Element by element MDiagArray by MDiagArray ops. |
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117 |
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118 friend KL_DMAT_TYPE operator + (const KL_DMAT_TYPE& a, const KL_DMAT_TYPE& b); |
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119 friend KL_DMAT_TYPE operator - (const KL_DMAT_TYPE& a, const KL_DMAT_TYPE& b); |
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120 |
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121 friend KL_DMAT_TYPE product (const KL_DMAT_TYPE& a, const KL_DMAT_TYPE& b); |
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122 |
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123 // Unary MDiagArray ops. |
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124 |
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125 friend KL_DMAT_TYPE operator - (const KL_DMAT_TYPE& a); |
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126 |
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127 #endif |
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128 |
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129 /* |
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130 ;;; Local Variables: *** |
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131 ;;; mode: C++ *** |
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132 ;;; page-delimiter: "^/\\*" *** |
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133 ;;; End: *** |
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134 */ |
