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annotate libinterp/octave-value/ov-perm.cc @ 21751:b571fc85953f

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author Rik <rik@octave.org>
date Thu, 19 May 2016 18:48:52 -0700
parents c4ab2e54f100
children 0806871e3e1e
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1 /*
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2
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3 Copyright (C) 2008-2015 Jaroslav Hajek
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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 3 of the License, or (at your
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10 option) any 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, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if defined (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include "byte-swap.h"
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28 #include "dim-vector.h"
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29
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30 #include "mxarray.h"
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31 #include "ov-perm.h"
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32 #include "ov-re-mat.h"
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33 #include "ov-scalar.h"
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34 #include "error.h"
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35 #include "errwarn.h"
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36 #include "ops.h"
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37 #include "pr-output.h"
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38
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39 #include "ls-oct-text.h"
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40
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41 octave_value
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42 octave_perm_matrix::subsref (const std::string& type,
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43 const std::list<octave_value_list>& idx)
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44 {
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45 octave_value retval;
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46
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47 switch (type[0])
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48 {
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49 case '(':
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50 retval = do_index_op (idx.front ());
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51 break;
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52
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53 case '{':
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54 case '.':
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55 {
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56 std::string nm = type_name ();
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57 error ("%s cannot be indexed with %c", nm.c_str (), type[0]);
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58 }
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59 break;
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60
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61 default:
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62 panic_impossible ();
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63 }
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64
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65 return retval.next_subsref (type, idx);
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66 }
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67
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68 octave_value
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69 octave_perm_matrix::do_index_op (const octave_value_list& idx,
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70 bool resize_ok)
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71 {
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72 octave_value retval;
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73 octave_idx_type nidx = idx.length ();
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74 idx_vector idx0, idx1;
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75 if (nidx == 2)
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76 {
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77 int k = 0; // index we're processing when index_vector throws
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78 try
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79 {
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80 idx0 = idx(0).index_vector ();
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81 k = 1;
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82 idx1 = idx(1).index_vector ();
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83 }
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84 catch (index_exception& e)
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85 {
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86 // Rethrow to allow more info to be reported later.
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87 e.set_pos_if_unset (2, k+1);
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88 throw;
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89 }
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90 }
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91
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92 // This hack is to allow constructing permutation matrices using
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93 // eye(n)(p,:), eye(n)(:,q) && eye(n)(p,q) where p & q are permutation
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94 // vectors.
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95 // Note that, for better consistency, eye(n)(:,:) still converts to a full
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96 // matrix.
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97 if (nidx == 2)
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98 {
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99 bool left = idx0.is_permutation (matrix.rows ());
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100 bool right = idx1.is_permutation (matrix.cols ());
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101
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102 if (left && right)
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103 {
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104 if (idx0.is_colon ()) left = false;
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105 if (idx1.is_colon ()) right = false;
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106 if (left || right)
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107 {
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108 PermMatrix p = matrix;
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109 if (left)
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110 p = PermMatrix (idx0, false) * p;
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111 if (right)
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112 p = p * PermMatrix (idx1, true);
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113 retval = p;
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114 }
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115 else
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116 {
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117 retval = this;
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118 this->count++;
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119 }
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120 }
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121 }
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122
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123 if (! retval.is_defined ())
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124 {
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125 if (nidx == 2 && ! resize_ok && idx0.is_scalar () && idx1.is_scalar ())
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126 retval = matrix.checkelem (idx0(0), idx1(0));
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127 else
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128 retval = to_dense ().do_index_op (idx, resize_ok);
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129 }
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130
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131 return retval;
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132 }
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133
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134 bool
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135 octave_perm_matrix::is_true (void) const
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136 {
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137 return to_dense ().is_true ();
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138 }
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139
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140 double
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141 octave_perm_matrix::double_value (bool) const
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142 {
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143 double retval = lo_ieee_nan_value ();
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144
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145 if (numel () == 0)
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146 err_invalid_conversion (type_name (), "real scalar");
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147
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148 warn_implicit_conversion ("Octave:array-to-scalar",
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149 type_name (), "real scalar");
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150
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151 retval = matrix(0, 0);
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152
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153 return retval;
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154 }
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155
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156 float
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157 octave_perm_matrix::float_value (bool) const
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158 {
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159 float retval = lo_ieee_float_nan_value ();
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160
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161 if (numel () == 0)
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162 err_invalid_conversion (type_name (), "real scalar");
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163
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164 warn_implicit_conversion ("Octave:array-to-scalar",
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165 type_name (), "real scalar");
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166
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167 retval = matrix(0, 0);
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168
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169 return retval;
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170 }
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171
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172 Complex
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173 octave_perm_matrix::complex_value (bool) const
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174 {
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175 double tmp = lo_ieee_nan_value ();
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176
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177 Complex retval (tmp, tmp);
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178
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179 if (rows () == 0 || columns () == 0)
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180 err_invalid_conversion (type_name (), "complex scalar");
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181
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182 warn_implicit_conversion ("Octave:array-to-scalar",
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183 type_name (), "complex scalar");
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184
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185 retval = matrix(0, 0);
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186
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187 return retval;
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188 }
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189
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190 FloatComplex
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191 octave_perm_matrix::float_complex_value (bool) const
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192 {
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193 float tmp = lo_ieee_float_nan_value ();
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194
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195 FloatComplex retval (tmp, tmp);
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196
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197 if (rows () == 0 || columns () == 0)
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198 err_invalid_conversion (type_name (), "complex scalar");
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199
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200 warn_implicit_conversion ("Octave:array-to-scalar",
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201 type_name (), "complex scalar");
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202
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203 retval = matrix(0, 0);
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204
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205 return retval;
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206 }
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207
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208 #define FORWARD_MATRIX_VALUE(TYPE, PREFIX) \
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209 TYPE \
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210 octave_perm_matrix::PREFIX ## _value (bool frc_str_conv) const \
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211 { \
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212 return to_dense ().PREFIX ## _value (frc_str_conv); \
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213 }
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214
8910
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215 SparseMatrix
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216 octave_perm_matrix::sparse_matrix_value (bool) const
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217 {
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218 return SparseMatrix (matrix);
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219 }
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220
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221 SparseBoolMatrix
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222 octave_perm_matrix::sparse_bool_matrix_value (bool) const
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223 {
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224 return SparseBoolMatrix (matrix);
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225 }
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226
8910
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227 SparseComplexMatrix
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228 octave_perm_matrix::sparse_complex_matrix_value (bool) const
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229 {
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230 return SparseComplexMatrix (sparse_matrix_value ());
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231 }
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232
8367
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233 FORWARD_MATRIX_VALUE (Matrix, matrix)
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234 FORWARD_MATRIX_VALUE (FloatMatrix, float_matrix)
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235 FORWARD_MATRIX_VALUE (ComplexMatrix, complex_matrix)
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236 FORWARD_MATRIX_VALUE (FloatComplexMatrix, float_complex_matrix)
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237
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238 FORWARD_MATRIX_VALUE (NDArray, array)
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239 FORWARD_MATRIX_VALUE (FloatNDArray, float_array)
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240 FORWARD_MATRIX_VALUE (ComplexNDArray, complex_array)
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241 FORWARD_MATRIX_VALUE (FloatComplexNDArray, float_complex_array)
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242
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243 FORWARD_MATRIX_VALUE (boolNDArray, bool_array)
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244 FORWARD_MATRIX_VALUE (charNDArray, char_array)
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245
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246 idx_vector
18130
e473c4853afc enable non-integer ranges as indices by default and deprecate preference
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diff changeset
247 octave_perm_matrix::index_vector (bool require_integers) const
8367
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248 {
18130
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249 return to_dense ().index_vector (require_integers);
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250 }
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251
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252 octave_value
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
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parents: 17744
diff changeset
253 octave_perm_matrix::convert_to_str_internal (bool pad, bool force,
175b392e91fe Use GNU style coding conventions for code in libinterp/
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diff changeset
254 char type) const
8367
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255 {
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diff changeset
256 return to_dense ().convert_to_str_internal (pad, force, type);
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diff changeset
257 }
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258
11586
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diff changeset
259 bool
8367
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260 octave_perm_matrix::save_ascii (std::ostream& os)
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261 {
8376
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262 os << "# size: " << matrix.rows () << "\n";
18849
aa9ca67f09fb make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents: 18678
diff changeset
263 os << "# orient: c\n";
8376
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diff changeset
264
18849
aa9ca67f09fb make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents: 18678
diff changeset
265 Array<octave_idx_type> pvec = matrix.col_perm_vec ();
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20228
diff changeset
266 octave_idx_type n = pvec.numel ();
8376
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diff changeset
267 ColumnVector tmp (n);
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268 for (octave_idx_type i = 0; i < n; i++) tmp(i) = pvec(i) + 1;
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269 os << tmp;
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270
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271 return true;
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272 }
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273
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274 bool
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275 octave_perm_matrix::load_ascii (std::istream& is)
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276 {
8376
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diff changeset
277 octave_idx_type n;
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diff changeset
278 char orient;
8367
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279
20979
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diff changeset
280 if (! extract_keyword (is, "size", n, true)
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diff changeset
281 || ! extract_keyword (is, "orient", orient, true))
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diff changeset
282 error ("load: failed to extract size & orientation");
8376
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diff changeset
283
20979
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diff changeset
284 bool colp = orient == 'c';
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diff changeset
285 ColumnVector tmp (n);
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diff changeset
286 is >> tmp;
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diff changeset
287 if (! is)
0963ed389012 maint: invert if/else/error instances.
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diff changeset
288 error ("load: failed to load permutation matrix constant");
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diff changeset
289
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diff changeset
290 Array<octave_idx_type> pvec (dim_vector (n, 1));
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diff changeset
291 for (octave_idx_type i = 0; i < n; i++) pvec(i) = tmp(i) - 1;
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diff changeset
292 matrix = PermMatrix (pvec, colp);
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diff changeset
293
21751
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parents: 21739
diff changeset
294 // Invalidate cache. Probably not necessary, but safe.
20979
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diff changeset
295 dense_cache = octave_value ();
8376
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diff changeset
296
21124
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diff changeset
297 return true;
8367
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298 }
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299
11586
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diff changeset
300 bool
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
301 octave_perm_matrix::save_binary (std::ostream& os, bool&)
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
302 {
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
303
9605
dfc68e6d8741 avoid some gcc warnings
John W. Eaton <jwe@octave.org>
parents: 8960
diff changeset
304 int32_t sz = matrix.rows ();
18849
aa9ca67f09fb make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents: 18678
diff changeset
305 bool colp = true;
9605
dfc68e6d8741 avoid some gcc warnings
John W. Eaton <jwe@octave.org>
parents: 8960
diff changeset
306 os.write (reinterpret_cast<char *> (&sz), 4);
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
307 os.write (reinterpret_cast<char *> (&colp), 1);
18849
aa9ca67f09fb make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents: 18678
diff changeset
308 const Array<octave_idx_type>& col_perm = matrix.col_perm_vec ();
aa9ca67f09fb make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents: 18678
diff changeset
309 os.write (reinterpret_cast<const char *> (col_perm.data ()),
aa9ca67f09fb make all permutation matrices column permutations (bug #42418)
David Spies <dnspies@gmail.com>
parents: 18678
diff changeset
310 col_perm.byte_size ());
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
311
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
312 return true;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
313 }
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
314
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
315 bool
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
316 octave_perm_matrix::load_binary (std::istream& is, bool swap,
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
317 octave::mach_info::float_format)
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
318 {
9605
dfc68e6d8741 avoid some gcc warnings
John W. Eaton <jwe@octave.org>
parents: 8960
diff changeset
319 int32_t sz;
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
320 bool colp;
9605
dfc68e6d8741 avoid some gcc warnings
John W. Eaton <jwe@octave.org>
parents: 8960
diff changeset
321 if (! (is.read (reinterpret_cast<char *> (&sz), 4)
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
322 && is.read (reinterpret_cast<char *> (&colp), 1)))
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
323 return false;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
324
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
325 MArray<octave_idx_type> m (dim_vector (sz, 1));
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
326
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
327 if (! is.read (reinterpret_cast<char *> (m.fortran_vec ()), m.byte_size ()))
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
328 return false;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
329
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
330 if (swap)
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
331 {
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
332 int nel = m.numel ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
333 for (int i = 0; i < nel; i++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
334 switch (sizeof (octave_idx_type))
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
335 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
336 case 8:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
337 swap_bytes<8> (&m(i));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
338 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
339 case 4:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
340 swap_bytes<4> (&m(i));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
341 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
342 case 2:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
343 swap_bytes<2> (&m(i));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
344 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
345 case 1:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
346 default:
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
347 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
348 }
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
349 }
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
350
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
351 matrix = PermMatrix (m, colp);
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
352 return true;
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
353 }
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
354
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
355 void
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
356 octave_perm_matrix::print_raw (std::ostream& os,
8381
ad896677a2e2 implement binary saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8376
diff changeset
357 bool pr_as_read_syntax) const
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
358 {
8891
d077c590eb88 indicate diag & perm matrices on output
Jaroslav Hajek <highegg@gmail.com>
parents: 8459
diff changeset
359 return octave_print_internal (os, matrix, pr_as_read_syntax,
d077c590eb88 indicate diag & perm matrices on output
Jaroslav Hajek <highegg@gmail.com>
parents: 8459
diff changeset
360 current_print_indent_level ());
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
361 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
362
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
363 mxArray *
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
364 octave_perm_matrix::as_mxArray (void) const
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
365 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
366 return to_dense ().as_mxArray ();
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
367 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
368
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
369 bool
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
370 octave_perm_matrix::print_as_scalar (void) const
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
371 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
372 dim_vector dv = dims ();
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
373
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
374 return (dv.all_ones () || dv.any_zero ());
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
375 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
376
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
377 void
18416
bcd71a2531d3 Support disp/display overloading in classdef
Michael Goffioul <michael.goffioul@gmail.com>
parents: 18130
diff changeset
378 octave_perm_matrix::print (std::ostream& os, bool pr_as_read_syntax)
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
379 {
8891
d077c590eb88 indicate diag & perm matrices on output
Jaroslav Hajek <highegg@gmail.com>
parents: 8459
diff changeset
380 print_raw (os, pr_as_read_syntax);
d077c590eb88 indicate diag & perm matrices on output
Jaroslav Hajek <highegg@gmail.com>
parents: 8459
diff changeset
381 newline (os);
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
382 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
383
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
384 int
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
385 octave_perm_matrix::write (octave_stream& os, int block_size,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
386 oct_data_conv::data_type output_type, int skip,
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
387 octave::mach_info::float_format flt_fmt) const
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
388 {
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
389 return to_dense ().write (os, block_size, output_type, skip, flt_fmt);
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
390 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
391
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
392 void
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
393 octave_perm_matrix::print_info (std::ostream& os,
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
394 const std::string& prefix) const
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
395 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
396 matrix.print_info (os, prefix);
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
397 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
398
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
399
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
400 octave_value
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
401 octave_perm_matrix::to_dense (void) const
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
402 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
403 if (! dense_cache.is_defined ())
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
404 dense_cache = Matrix (matrix);
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
405
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
406 return dense_cache;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
407 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
408
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
409
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
410 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_perm_matrix,
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
411 "permutation matrix", "double");
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
412
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
413 static octave_base_value *
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
414 default_numeric_conversion_function (const octave_base_value& a)
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
415 {
21647
66cae7a6dc47 eliminate some macros for operator definitions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
416 const octave_perm_matrix& v = dynamic_cast<const octave_perm_matrix&> (a);
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
417
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
418 return new octave_matrix (v.matrix_value ());
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
419 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
420
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
421 octave_base_value::type_conv_info
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
422 octave_perm_matrix::numeric_conversion_function (void) const
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
423 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
424 return octave_base_value::type_conv_info (default_numeric_conversion_function,
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
425 octave_matrix::static_type_id ());
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
426 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
427
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
428 octave_base_value *
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
429 octave_perm_matrix::try_narrowing_conversion (void)
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
430 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
431 octave_base_value *retval = 0;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
432
20228
00cf2847355d Deprecate Array::nelem() and Range::nelem() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 19864
diff changeset
433 if (matrix.numel () == 1)
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
434 retval = new octave_scalar (matrix (0, 0));
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
435
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
436 return retval;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
437 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
438
18650
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
439 octave_value
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
440 octave_perm_matrix::fast_elem_extract (octave_idx_type n) const
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
441 {
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
442 if (n < matrix.numel ())
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
443 {
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
444 octave_idx_type nr = matrix.rows ();
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
445
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
446 octave_idx_type r = n % nr;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
447 octave_idx_type c = n / nr;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
448
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
449 return octave_value (matrix.elem (r, c));
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
450 }
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
451 else
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
452 return octave_value ();
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18522
diff changeset
453 }