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annotate src/ov-base-diag.cc @ 10315:57a59eae83cc

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untabify src C++ source files
author John W. Eaton <jwe@octave.org>
date Thu, 11 Feb 2010 12:41:46 -0500
parents f80c566bc751
children a0728e81ed25
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1 /*
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2
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3 Copyright (C) 2008, 2009 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 #ifdef 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 <iostream>
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28
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29 #include "mach-info.h"
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30 #include "lo-ieee.h"
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31
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32 #include "ov-base.h"
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33 #include "ov-base-mat.h"
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34 #include "pr-output.h"
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35 #include "error.h"
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36 #include "gripes.h"
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37 #include "oct-stream.h"
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38 #include "ops.h"
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39
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40 #include "ls-oct-ascii.h"
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41
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42 template <class DMT, class MT>
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43 octave_value
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44 octave_base_diag<DMT, MT>::subsref (const std::string& type,
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45 const std::list<octave_value_list>& idx)
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46 {
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47 octave_value retval;
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48
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49 switch (type[0])
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50 {
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51 case '(':
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52 retval = do_index_op (idx.front ());
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53 break;
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54
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55 case '{':
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56 case '.':
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57 {
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58 std::string nm = type_name ();
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59 error ("%s cannot be indexed with %c", nm.c_str (), type[0]);
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60 }
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61 break;
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62
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63 default:
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64 panic_impossible ();
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65 }
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66
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67 return retval.next_subsref (type, idx);
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68 }
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69
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70 template <class DMT, class MT>
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71 octave_value
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72 octave_base_diag<DMT, MT>::do_index_op (const octave_value_list& idx,
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73 bool resize_ok)
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74 {
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75 octave_value retval;
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76 typedef typename DMT::element_type el_type;
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77
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78 if (idx.length () == 2 && ! resize_ok)
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79 {
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80 idx_vector idx0 = idx(0).index_vector ();
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81 idx_vector idx1 = idx(1).index_vector ();
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82
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83 if (idx0.is_scalar () && idx1.is_scalar ())
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84 {
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85 // FIXME: the proxy mechanism of DiagArray2 causes problems here.
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86 retval = el_type (matrix.checkelem (idx0(0), idx1(0)));
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87 }
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88 else
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89 {
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90 octave_idx_type m = idx0.length (matrix.rows ());
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91 octave_idx_type n = idx1.length (matrix.columns ());
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92 if (idx0.is_colon_equiv (m) && idx1.is_colon_equiv (n)
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93 && m <= matrix.rows () && n <= matrix.rows ())
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94 {
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95 DMT rm (matrix);
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96 rm.resize (m, n);
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97 retval = rm;
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98 }
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99 else
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100 retval = to_dense ().do_index_op (idx, resize_ok);
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101 }
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102 }
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103 else
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104 retval = to_dense ().do_index_op (idx, resize_ok);
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105
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106 return retval;
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107 }
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108
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109 template <class DMT, class MT>
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110 octave_value
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111 octave_base_diag<DMT, MT>::subsasgn (const std::string& type,
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112 const std::list<octave_value_list>& idx,
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113 const octave_value& rhs)
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114 {
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115 octave_value retval;
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116
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117 switch (type[0])
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118 {
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119 case '(':
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120 {
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121 if (type.length () == 1)
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122 {
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123 octave_value_list jdx = idx.front ();
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124 // Check for a simple element assignment. That means, if D is a diagonal matrix,
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125 // `D(i,i) = x' will not destroy its diagonality (provided i is a valid index).
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126 if (jdx.length () == 2 && jdx(0).is_scalar_type () && jdx(1).is_scalar_type ())
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127 {
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128 typename DMT::element_type val;
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129 idx_vector i0 = jdx(0).index_vector (), i1 = jdx(1).index_vector ();
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130 if (! error_state && i0(0) == i1(0)
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131 && i0(0) < matrix.rows () && i1(0) < matrix.cols ()
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132 && chk_valid_scalar (rhs, val))
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133 {
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134 matrix (i0(0), i1(0)) = val;
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135 retval = this;
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136 this->count++;
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137 // invalidate cache
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138 dense_cache = octave_value ();
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139 }
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140 }
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141
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142 if (! error_state && ! retval.is_defined ())
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143 retval = numeric_assign (type, idx, rhs);
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144 }
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145 else
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146 {
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147 std::string nm = type_name ();
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148 error ("in indexed assignment of %s, last lhs index must be ()",
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149 nm.c_str ());
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150 }
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151 }
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152 break;
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153
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154 case '{':
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155 case '.':
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156 {
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157 if (is_empty ())
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158 {
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159 octave_value tmp = octave_value::empty_conv (type, rhs);
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160
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161 retval = tmp.subsasgn (type, idx, rhs);
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162 }
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163 else
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164 {
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165 std::string nm = type_name ();
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166 error ("%s cannot be indexed with %c", nm.c_str (), type[0]);
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167 }
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168 }
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169 break;
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170
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171 default:
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172 panic_impossible ();
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173 }
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174
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175 return retval;
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176 }
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177
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178 template <class DMT, class MT>
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179 octave_value
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180 octave_base_diag<DMT, MT>::resize (const dim_vector& dv, bool fill) const
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181 {
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182 octave_value retval;
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183 if (dv.length () == 2)
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184 {
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185 DMT rm (matrix);
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186 rm.resize (dv(0), dv(1));
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187 retval = rm;
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188 }
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189 else
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190 retval = to_dense ().resize (dv, fill);
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191 return retval;
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192 }
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193
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194 template <class DMT, class MT>
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195 bool
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196 octave_base_diag<DMT, MT>::is_true (void) const
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197 {
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198 return to_dense ().is_true ();
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199 }
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200
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201 // FIXME: this should be achieveable using ::real
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202 template <class T> inline T helper_getreal (T x) { return x; }
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203 template <class T> inline T helper_getreal (std::complex<T> x) { return x.real (); }
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204 // FIXME: we really need some traits so that ad hoc hooks like this are not necessary
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205 template <class T> inline T helper_iscomplex (T) { return false; }
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206 template <class T> inline T helper_iscomplex (std::complex<T>) { return true; }
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207
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208 template <class DMT, class MT>
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209 double
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210 octave_base_diag<DMT, MT>::double_value (bool force_conversion) const
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211 {
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212 double retval = lo_ieee_nan_value ();
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213 typedef typename DMT::element_type el_type;
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214
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215 if (helper_iscomplex (el_type ()) && ! force_conversion)
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216 gripe_implicit_conversion ("Octave:imag-to-real",
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217 "complex matrix", "real scalar");
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218
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219 if (numel () > 0)
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220 {
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221 gripe_implicit_conversion ("Octave:array-as-scalar",
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222 type_name (), "real scalar");
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223
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224 retval = helper_getreal (el_type (matrix (0, 0)));
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225 }
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226 else
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227 gripe_invalid_conversion (type_name (), "real scalar");
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228
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229 return retval;
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230 }
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231
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232 template <class DMT, class MT>
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233 float
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234 octave_base_diag<DMT, MT>::float_value (bool force_conversion) const
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235 {
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236 float retval = lo_ieee_float_nan_value ();
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237 typedef typename DMT::element_type el_type;
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238
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239 if (helper_iscomplex (el_type ()) && ! force_conversion)
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240 gripe_implicit_conversion ("Octave:imag-to-real",
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241 "complex matrix", "real scalar");
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242
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243 if (numel () > 0)
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244 {
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245 gripe_implicit_conversion ("Octave:array-as-scalar",
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246 type_name (), "real scalar");
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247
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248 retval = helper_getreal (el_type (matrix (0, 0)));
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249 }
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250 else
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251 gripe_invalid_conversion (type_name (), "real scalar");
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252
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253 return retval;
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254 }
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255
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256 template <class DMT, class MT>
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257 Complex
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258 octave_base_diag<DMT, MT>::complex_value (bool) const
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259 {
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260 double tmp = lo_ieee_nan_value ();
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261
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262 Complex retval (tmp, tmp);
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263
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264 if (rows () > 0 && columns () > 0)
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265 {
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266 gripe_implicit_conversion ("Octave:array-as-scalar",
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267 type_name (), "complex scalar");
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268
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269 retval = matrix (0, 0);
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270 }
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271 else
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272 gripe_invalid_conversion (type_name (), "complex scalar");
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273
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274 return retval;
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275 }
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276
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277 template <class DMT, class MT>
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278 FloatComplex
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279 octave_base_diag<DMT, MT>::float_complex_value (bool) const
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280 {
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281 float tmp = lo_ieee_float_nan_value ();
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282
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283 FloatComplex retval (tmp, tmp);
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284
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285 if (rows () > 0 && columns () > 0)
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286 {
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287 gripe_implicit_conversion ("Octave:array-as-scalar",
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288 type_name (), "complex scalar");
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289
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290 retval = matrix (0, 0);
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291 }
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292 else
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293 gripe_invalid_conversion (type_name (), "complex scalar");
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294
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295 return retval;
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296 }
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297
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298 template <class DMT, class MT>
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299 Matrix
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300 octave_base_diag<DMT, MT>::matrix_value (bool) const
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301 {
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302 return Matrix (diag_matrix_value ());
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303 }
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304
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305 template <class DMT, class MT>
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306 FloatMatrix
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307 octave_base_diag<DMT, MT>::float_matrix_value (bool) const
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308 {
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309 return FloatMatrix (float_diag_matrix_value ());
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310 }
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311
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312 template <class DMT, class MT>
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313 ComplexMatrix
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314 octave_base_diag<DMT, MT>::complex_matrix_value (bool) const
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315 {
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316 return ComplexMatrix (complex_diag_matrix_value ());
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317 }
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318
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319 template <class DMT, class MT>
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320 FloatComplexMatrix
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321 octave_base_diag<DMT, MT>::float_complex_matrix_value (bool) const
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322 {
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323 return FloatComplexMatrix (float_complex_diag_matrix_value ());
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324 }
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325
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326 template <class DMT, class MT>
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327 NDArray
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328 octave_base_diag<DMT, MT>::array_value (bool) const
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329 {
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330 return NDArray (matrix_value ());
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331 }
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332
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333 template <class DMT, class MT>
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334 FloatNDArray
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335 octave_base_diag<DMT, MT>::float_array_value (bool) const
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336 {
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337 return FloatNDArray (float_matrix_value ());
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338 }
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339
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340 template <class DMT, class MT>
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341 ComplexNDArray
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342 octave_base_diag<DMT, MT>::complex_array_value (bool) const
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343 {
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344 return ComplexNDArray (complex_matrix_value ());
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345 }
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346
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347 template <class DMT, class MT>
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348 FloatComplexNDArray
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349 octave_base_diag<DMT, MT>::float_complex_array_value (bool) const
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350 {
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351 return FloatComplexNDArray (float_complex_matrix_value ());
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352 }
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353
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354 template <class DMT, class MT>
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355 boolNDArray
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356 octave_base_diag<DMT, MT>::bool_array_value (bool warn) const
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357 {
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358 return to_dense ().bool_array_value (warn);
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359 }
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360
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361 template <class DMT, class MT>
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362 charNDArray
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363 octave_base_diag<DMT, MT>::char_array_value (bool warn) const
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364 {
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365 return to_dense ().char_array_value (warn);
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366 }
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367
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368 template <class DMT, class MT>
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369 SparseMatrix
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370 octave_base_diag<DMT, MT>::sparse_matrix_value (bool) const
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371 {
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372 return SparseMatrix (diag_matrix_value ());
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373 }
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374
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375 template <class DMT, class MT>
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376 SparseComplexMatrix
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377 octave_base_diag<DMT, MT>::sparse_complex_matrix_value (bool) const
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378 {
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379 return SparseComplexMatrix (complex_diag_matrix_value ());
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380 }
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381
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382 template <class DMT, class MT>
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383 idx_vector
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384 octave_base_diag<DMT, MT>::index_vector (void) const
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385 {
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386 return to_dense ().index_vector ();
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387 }
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parents:
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388
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diff changeset
389 template <class DMT, class MT>
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390 octave_value
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391 octave_base_diag<DMT, MT>::convert_to_str_internal (bool pad, bool force, char type) const
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392 {
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393 return to_dense ().convert_to_str_internal (pad, force, type);
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394 }
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parents:
diff changeset
395
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parents:
diff changeset
396 template <class DMT, class MT>
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diff changeset
397 bool
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398 octave_base_diag<DMT, MT>::save_ascii (std::ostream& os)
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diff changeset
399 {
8376
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400 os << "# rows: " << matrix.rows () << "\n"
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401 << "# columns: " << matrix.columns () << "\n";
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diff changeset
402
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
403 os << matrix.diag ();
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
404
c43481a19bfe implement ASCII saving of diag & perm matrices
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parents: 8367
diff changeset
405 return true;
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
406 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
407
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
408 template <class DMT, class MT>
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
409 bool
8376
c43481a19bfe implement ASCII saving of diag & perm matrices
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parents: 8367
diff changeset
410 octave_base_diag<DMT, MT>::load_ascii (std::istream& is)
8366
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411 {
8376
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diff changeset
412 octave_idx_type r = 0, c = 0;
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
413 bool success = true;
8366
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diff changeset
414
8376
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
415 if (extract_keyword (is, "rows", r, true)
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
416 && extract_keyword (is, "columns", c, true))
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
417 {
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
418 octave_idx_type l = r < c ? r : c;
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
419 MT tmp (l, 1);
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
420 is >> tmp;
8366
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parents:
diff changeset
421
8376
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
422 if (!is)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
423 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
424 error ("load: failed to load diagonal matrix constant");
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
425 success = false;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 9812
diff changeset
426 }
8376
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
427 else
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
428 {
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
429 // This is a little tricky, as we have the Matrix type, but
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
430 // not ColumnVector type. We need to help the compiler get
c43481a19bfe implement ASCII saving of diag & perm matrices
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parents: 8367
diff changeset
431 // through the inheritance tree.
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
432 typedef typename DMT::element_type el_type;
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
433 matrix = DMT (MDiagArray2<el_type> (MArray<el_type> (tmp)));
c43481a19bfe implement ASCII saving of diag & perm matrices
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parents: 8367
diff changeset
434 matrix.resize (r, c);
c43481a19bfe implement ASCII saving of diag & perm matrices
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parents: 8367
diff changeset
435
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
436 // Invalidate cache. Probably not necessary, but safe.
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
437 dense_cache = octave_value ();
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
438 }
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
439 }
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
440 else
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
441 {
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
442 error ("load: failed to extract number of rows and columns");
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
443 success = false;
c43481a19bfe implement ASCII saving of diag & perm matrices
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diff changeset
444 }
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
445
c43481a19bfe implement ASCII saving of diag & perm matrices
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
446 return success;
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
447 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
448
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
449 template <class DMT, class MT>
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
450 void
8b1a2555c4e2 implement diagonal matrix objects
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parents:
diff changeset
451 octave_base_diag<DMT, MT>::print_raw (std::ostream& os,
8376
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diff changeset
452 bool pr_as_read_syntax) const
8366
8b1a2555c4e2 implement diagonal matrix objects
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diff changeset
453 {
8625
4d90d21a9cd9 special printing of diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8459
diff changeset
454 return octave_print_internal (os, matrix, pr_as_read_syntax,
4d90d21a9cd9 special printing of diagonal matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 8459
diff changeset
455 current_print_indent_level ());
8366
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
456 }
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
457
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
458 template <class DMT, class MT>
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
459 mxArray *
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
diff changeset
460 octave_base_diag<DMT, MT>::as_mxArray (void) const
8b1a2555c4e2 implement diagonal matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents:
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461 {
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462 return to_dense ().as_mxArray ();
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463 }
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464
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465 template <class DMT, class MT>
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466 bool
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467 octave_base_diag<DMT, MT>::print_as_scalar (void) const
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468 {
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469 dim_vector dv = dims ();
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470
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471 return (dv.all_ones () || dv.any_zero ());
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472 }
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473
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474 template <class DMT, class MT>
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475 void
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476 octave_base_diag<DMT, MT>::print (std::ostream& os, bool pr_as_read_syntax) const
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477 {
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478 print_raw (os, pr_as_read_syntax);
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479 newline (os);
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480 }
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481 template <class DMT, class MT>
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482 int
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483 octave_base_diag<DMT, MT>::write (octave_stream& os, int block_size,
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484 oct_data_conv::data_type output_type, int skip,
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485 oct_mach_info::float_format flt_fmt) const
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486 {
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487 return to_dense ().write (os, block_size, output_type, skip, flt_fmt);
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488 }
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489
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490 template <class DMT, class MT>
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491 void
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492 octave_base_diag<DMT, MT>::print_info (std::ostream& os,
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493 const std::string& prefix) const
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494 {
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495 matrix.print_info (os, prefix);
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496 }
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497
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498 template <class DMT, class MT>
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499 octave_value
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500 octave_base_diag<DMT, MT>::to_dense (void) const
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501 {
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502 if (! dense_cache.is_defined ())
9358
d4b1314a7c31 mex.cc (mxArray_octave_value::get_data): avoid enumerating types that can be handled as foreign
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503 dense_cache = MT (matrix);
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504
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505 return dense_cache;
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506 }
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507