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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if defined (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include "gripes.h" |
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32 #include "ov.h" |
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33 #include "ov-str-mat.h" |
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34 #include "ov-typeinfo.h" |
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35 #include "ops.h" |
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36 |
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3203
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37 // string unary ops. |
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38 |
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39 DEFUNOP (transpose, matrix) |
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40 { |
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41 CAST_UNOP_ARG (const octave_char_matrix_str&); |
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42 |
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43 return octave_value (v.char_matrix_value().transpose (), true); |
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44 } |
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45 |
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2928
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46 // string by string ops. |
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47 |
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48 DEFBINOP (eq, char_matrix_str, char_matrix_str) |
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49 { |
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50 CAST_BINOP_ARGS (const octave_char_matrix_str&, |
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51 const octave_char_matrix_str&); |
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52 |
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53 charMatrix cm1 = v1.char_matrix_value (); |
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54 charMatrix cm2 = v2.char_matrix_value (); |
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55 |
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56 if (cm1.rows () == 1 && cm1.columns () == 1) |
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57 { |
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58 if (cm2.rows () == 1 && cm2.columns () == 1) |
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59 return octave_value (cm1 (0, 0) == cm2 (0, 0)); |
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60 else |
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61 SC_MX_BOOL_OP (char, c, cm1 (0, 0), charMatrix, m, cm2, |
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62 c == m (i, j), 0.0); |
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63 } |
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64 else |
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65 { |
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66 int cm2_nr = cm2.rows (); |
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67 int cm2_nc = cm2.cols (); |
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68 |
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69 if (cm2_nr == 1 && cm2_nc == 1) |
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70 MX_SC_BOOL_OP (charMatrix, m, cm1, char, c, cm2 (0, 0), |
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71 c == m (i, j), 0.0); |
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72 else |
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73 MX_MX_BOOL_OP (charMatrix, m1, cm1, charMatrix, m2, cm2, |
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74 m1 (i, j) == m2 (i, j), "==", 0.0, 1.0); |
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75 } |
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76 } |
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77 |
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78 DEFBINOP (ne, char_matrix_str, char_matrix_str) |
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79 { |
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80 CAST_BINOP_ARGS (const octave_char_matrix_str&, |
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81 const octave_char_matrix_str&); |
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82 |
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83 charMatrix cm1 = v1.char_matrix_value (); |
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84 charMatrix cm2 = v2.char_matrix_value (); |
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85 |
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86 if (cm1.rows () == 1 && cm1.columns () == 1) |
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87 { |
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88 if (cm2.rows () == 1 && cm2.columns () == 1) |
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89 return octave_value (cm1 (0, 0) != cm2 (0, 0)); |
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90 else |
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91 SC_MX_BOOL_OP (char, c, cm1 (0, 0), charMatrix, m, cm2, |
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92 c != m (i, j), 1.0); |
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93 } |
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94 else |
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95 { |
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96 if (cm2.rows () == 1 && cm2.columns () == 1) |
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97 MX_SC_BOOL_OP (charMatrix, m, cm1, char, c, cm2 (0, 0), |
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98 c != m (i, j), 1.0); |
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99 else |
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100 MX_MX_BOOL_OP (charMatrix, m1, cm1, charMatrix, m2, cm2, |
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101 m1 (i, j) != m2 (i, j), "!=", 1.0, 0.0); |
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102 } |
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103 } |
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104 |
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105 DEFASSIGNOP (assign, char_matrix_str, char_matrix_str) |
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106 { |
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107 CAST_BINOP_ARGS (octave_char_matrix_str&, const octave_char_matrix_str&); |
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108 |
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109 v1.assign (idx, v2.char_matrix_value ()); |
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110 return octave_value (); |
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111 } |
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112 |
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113 void |
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114 install_str_str_ops (void) |
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115 { |
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3538
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116 INSTALL_UNOP (op_transpose, octave_char_matrix_str, transpose); |
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117 INSTALL_UNOP (op_hermitian, octave_char_matrix_str, transpose); |
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3203
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118 |
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3538
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119 INSTALL_BINOP (op_eq, octave_char_matrix_str, octave_char_matrix_str, eq); |
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120 INSTALL_BINOP (op_ne, octave_char_matrix_str, octave_char_matrix_str, ne); |
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2928
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121 |
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3538
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122 INSTALL_ASSIGNOP (op_asn_eq, octave_char_matrix_str, octave_char_matrix_str, assign); |
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123 } |
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124 |
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125 /* |
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126 ;;; Local Variables: *** |
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127 ;;; mode: C++ *** |
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128 ;;; End: *** |
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129 */ |
