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[project @ 1996-03-02 00:33:22 by jwe] Initial revision
author jwe
date Sat, 02 Mar 1996 00:33:22 +0000
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children 5668c00f9c7a
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1988
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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) 1996 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21
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22 */
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23
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24 #if defined (__GNUG__)
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25 #pragma interface
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26 #endif
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27
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28 #if !defined (octave_MArray2_h)
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29 #define octave_MArray2_h 1
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30
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31 #include "Array2.h"
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32
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33 // Two dimensional array with math ops.
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34
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35 template <class T>
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36 class MArray2 : public Array2<T>
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37 {
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38 protected:
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39
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40 MArray2 (T *d, int n, int m) : Array2<T> (d, n, m) { }
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41
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42 public:
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43
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44 MArray2 (void) : Array2<T> () { }
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45 MArray2 (int n, int m) : Array2<T> (n, m) { }
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46 MArray2 (int n, int m, const T& val) : Array2<T> (n, m, val) { }
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47 MArray2 (const Array2<T>& a) : Array2<T> (a) { }
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48 MArray2 (const MArray2<T>& a) : Array2<T> (a) { }
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49
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50 ~MArray2 (void) { }
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51
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52 MArray2<T>& operator = (const MArray2<T>& a)
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53 {
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54 Array2<T>::operator = (a);
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55 return *this;
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56 }
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57
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58 // element by element MArray2 by scalar ops
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59
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60 friend MArray2<T>& operator += (MArray2<T>& a, const T& s);
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61 friend MArray2<T>& operator -= (MArray2<T>& a, const T& s);
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62
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63 // element by element MArray2 by MArray2 ops
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64
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65 friend MArray2<T>& operator += (MArray2<T>& a, const MArray2<T>& b);
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66 friend MArray2<T>& operator -= (MArray2<T>& a, const MArray2<T>& b);
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67
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68 // element by element MArray2 by scalar ops
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69
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70 friend MArray2<T> operator + (const MArray2<T>& a, const T& s);
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71 friend MArray2<T> operator - (const MArray2<T>& a, const T& s);
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72 friend MArray2<T> operator * (const MArray2<T>& a, const T& s);
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73 friend MArray2<T> operator / (const MArray2<T>& a, const T& s);
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74
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75 // element by element scalar by MArray2 ops
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76
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77 friend MArray2<T> operator + (const T& s, const MArray2<T>& a);
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78 friend MArray2<T> operator - (const T& s, const MArray2<T>& a);
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79 friend MArray2<T> operator * (const T& s, const MArray2<T>& a);
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80 friend MArray2<T> operator / (const T& s, const MArray2<T>& a);
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81
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82 // element by element MArray2 by MArray2 ops
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83
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84 friend MArray2<T> operator + (const MArray2<T>& a, const MArray2<T>& b);
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85 friend MArray2<T> operator - (const MArray2<T>& a, const MArray2<T>& b);
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86
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87 friend MArray2<T> product (const MArray2<T>& a, const MArray2<T>& b);
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88 friend MArray2<T> quotient (const MArray2<T>& a, const MArray2<T>& b);
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89
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90 friend MArray2<T> operator - (const MArray2<T>& a);
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91 };
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92
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93 #define INSTANTIATE_MARRAY2_FRIENDS(T) \
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94 template MArray2<T> operator + (const MArray2<T>& a, const T& s); \
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95 template MArray2<T> operator - (const MArray2<T>& a, const T& s); \
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96 template MArray2<T> operator * (const MArray2<T>& a, const T& s); \
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97 template MArray2<T> operator / (const MArray2<T>& a, const T& s); \
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98 template MArray2<T> operator + (const T& s, const MArray2<T>& a); \
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99 template MArray2<T> operator - (const T& s, const MArray2<T>& a); \
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100 template MArray2<T> operator * (const T& s, const MArray2<T>& a); \
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101 template MArray2<T> operator / (const T& s, const MArray2<T>& a); \
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102 template MArray2<T> operator + (const MArray2<T>& a, const MArray2<T>& b); \
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103 template MArray2<T> operator - (const MArray2<T>& a, const MArray2<T>& b); \
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104 template MArray2<T> product (const MArray2<T>& a, const MArray2<T>& b); \
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105 template MArray2<T> quotient (const MArray2<T>& a, const MArray2<T>& b); \
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106 template MArray2<T> operator - (const MArray2<T>& a);
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107
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108 #endif
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109
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110 /*
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111 ;;; Local Variables: ***
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112 ;;; mode: C++ ***
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113 ;;; page-delimiter: "^/\\*" ***
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114 ;;; End: ***
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115 */