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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 <iostream.h> |
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32 |
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33 #include "lo-ieee.h" |
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34 #include "mx-base.h" |
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35 |
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36 #include "ov-ch-mat.h" |
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37 #include "gripes.h" |
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38 #include "pr-output.h" |
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39 |
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40 octave_allocator |
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41 octave_char_matrix::allocator (sizeof (octave_char_matrix)); |
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42 |
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43 int |
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44 octave_char_matrix::t_id (-1); |
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45 |
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46 const string |
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47 octave_char_matrix::t_name ("char matrix"); |
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48 |
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49 bool |
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50 octave_char_matrix::valid_as_scalar_index (void) const |
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51 { |
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52 // XXX FIXME XXX |
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53 return false; |
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54 } |
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55 |
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56 bool |
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57 octave_char_matrix::valid_as_zero_index (void) const |
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58 { |
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59 // XXX FIXME XXX |
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60 return false; |
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61 } |
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62 |
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63 bool |
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64 octave_char_matrix::is_true (void) const |
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65 { |
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66 // XXX FIXME XXX |
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67 return false; |
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68 } |
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69 |
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70 double |
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71 octave_char_matrix::double_value (bool) const |
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72 { |
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73 double retval = octave_NaN; |
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74 |
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75 if ((rows () == 1 && columns () == 1) |
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76 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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77 retval = matrix (0, 0); |
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78 else |
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79 gripe_invalid_conversion ("character matrix", "real scalar"); |
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80 |
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81 return retval; |
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82 } |
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83 |
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84 Complex |
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85 octave_char_matrix::complex_value (bool) const |
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86 { |
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87 Complex retval (octave_NaN, octave_NaN); |
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88 |
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89 if ((rows () == 1 && columns () == 1) |
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90 || (Vdo_fortran_indexing && rows () > 0 && columns () > 0)) |
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91 retval = matrix (0, 0); |
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92 else |
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93 gripe_invalid_conversion ("character matrix", "complex scalar"); |
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94 |
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95 return retval; |
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96 } |
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97 |
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98 void |
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99 octave_char_matrix::print (ostream& os, bool pr_as_read_syntax) const |
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100 { |
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101 print_raw (os, pr_as_read_syntax); |
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102 newline (os); |
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103 } |
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104 |
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105 void |
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106 octave_char_matrix::print_raw (ostream& os, bool pr_as_read_syntax) const |
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107 { |
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108 octave_print_internal (os, matrix, pr_as_read_syntax, false, |
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109 current_print_indent_level ()); |
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110 } |
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111 |
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112 bool |
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113 octave_char_matrix::print_name_tag (ostream& os, const string& name) const |
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114 { |
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115 bool retval = false; |
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116 |
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117 int nr = rows (); |
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118 int nc = columns (); |
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119 |
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120 indent (os); |
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121 |
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122 if (nr == 1 && nc == 1 || (nr == 0 || nc == 0)) |
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123 os << name << " = "; |
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124 else |
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125 { |
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126 os << name << " ="; |
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127 newline (os); |
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128 newline (os); |
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129 retval = true; |
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130 } |
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131 |
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132 return retval; |
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133 } |
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134 |
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135 /* |
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136 ;;; Local Variables: *** |
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137 ;;; mode: C++ *** |
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138 ;;; End: *** |
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139 */ |
