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1 /* |
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2 |
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3 Copyright (C) 2004, 2005, 2006, 2007 David Bateman |
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4 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Andy Adler |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software; you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation; either version 3 of the License, or (at your |
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11 option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but WITHOUT |
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <http://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
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24 #ifdef HAVE_CONFIG_H |
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25 #include <config.h> |
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26 #endif |
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27 |
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28 #include <iostream> |
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29 #include <vector> |
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30 |
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31 #include "config.h" |
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32 #include "quit.h" |
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33 #include "lo-ieee.h" |
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34 #include "lo-mappers.h" |
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35 |
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36 #include "boolSparse.h" |
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37 |
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38 // SparseBoolMatrix class. |
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39 |
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40 bool |
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41 SparseBoolMatrix::operator == (const SparseBoolMatrix& a) const |
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42 { |
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43 octave_idx_type nr = rows (); |
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44 octave_idx_type nc = cols (); |
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45 octave_idx_type nz = nzmax (); |
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46 octave_idx_type nr_a = a.rows (); |
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47 octave_idx_type nc_a = a.cols (); |
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48 octave_idx_type nz_a = a.nzmax (); |
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49 |
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50 if (nr != nr_a || nc != nc_a || nz != nz_a) |
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51 return false; |
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52 |
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53 for (octave_idx_type i = 0; i < nc + 1; i++) |
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54 if (cidx(i) != a.cidx(i)) |
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55 return false; |
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56 |
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57 for (octave_idx_type i = 0; i < nz; i++) |
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58 if (data(i) != a.data(i) || ridx(i) != a.ridx(i)) |
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59 return false; |
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60 |
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61 return true; |
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62 } |
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63 |
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64 bool |
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65 SparseBoolMatrix::operator != (const SparseBoolMatrix& a) const |
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66 { |
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67 return !(*this == a); |
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68 } |
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69 |
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70 SparseBoolMatrix& |
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71 SparseBoolMatrix::insert (const SparseBoolMatrix& a, octave_idx_type r, octave_idx_type c) |
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72 { |
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73 Sparse<bool>::insert (a, r, c); |
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74 return *this; |
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75 } |
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76 |
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77 SparseBoolMatrix& |
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78 SparseBoolMatrix::insert (const SparseBoolMatrix& a, const Array<octave_idx_type>& indx) |
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79 { |
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80 Sparse<bool>::insert (a, indx); |
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81 return *this; |
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82 } |
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83 |
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84 SparseBoolMatrix |
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85 SparseBoolMatrix::concat (const SparseBoolMatrix& rb, const Array<octave_idx_type>& ra_idx) |
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86 { |
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87 // Don't use numel to avoid all possiblity of an overflow |
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88 if (rb.rows () > 0 && rb.cols () > 0) |
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89 insert (rb, ra_idx(0), ra_idx(1)); |
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90 return *this; |
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91 } |
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92 |
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93 // unary operations |
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94 |
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95 SparseBoolMatrix |
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96 SparseBoolMatrix::operator ! (void) const |
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97 { |
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98 octave_idx_type nr = rows (); |
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99 octave_idx_type nc = cols (); |
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100 octave_idx_type nz1 = nzmax (); |
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101 octave_idx_type nz2 = nr*nc - nz1; |
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102 |
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103 SparseBoolMatrix r (nr, nc, nz2); |
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104 |
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105 octave_idx_type ii = 0; |
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106 octave_idx_type jj = 0; |
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107 r.cidx (0) = 0; |
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108 for (octave_idx_type i = 0; i < nc; i++) |
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109 { |
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110 for (octave_idx_type j = 0; j < nr; j++) |
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111 { |
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112 if (jj < cidx(i+1) && ridx(jj) == j) |
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113 jj++; |
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114 else |
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115 { |
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116 r.data(ii) = true; |
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117 r.ridx(ii++) = j; |
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118 } |
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119 } |
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120 r.cidx (i+1) = ii; |
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121 } |
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122 |
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123 return r; |
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124 } |
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125 |
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126 // other operations |
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127 |
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128 // FIXME Do these really belong here? Maybe they should be |
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129 // in a base class? |
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130 |
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131 SparseBoolMatrix |
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132 SparseBoolMatrix::all (int dim) const |
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133 { |
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134 SPARSE_ALL_OP (dim); |
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135 } |
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136 |
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137 SparseBoolMatrix |
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138 SparseBoolMatrix::any (int dim) const |
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139 { |
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140 SPARSE_ANY_OP (dim); |
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141 } |
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142 |
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143 boolMatrix |
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144 SparseBoolMatrix::matrix_value (void) const |
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145 { |
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146 octave_idx_type nr = rows (); |
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147 octave_idx_type nc = cols (); |
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148 |
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149 boolMatrix retval (nr, nc, false); |
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150 for (octave_idx_type j = 0; j < nc; j++) |
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151 for (octave_idx_type i = cidx(j); i < cidx(j+1); i++) |
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152 retval.elem (ridx(i), j) = data (i); |
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153 |
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154 return retval; |
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155 } |
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156 |
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157 std::ostream& |
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158 operator << (std::ostream& os, const SparseBoolMatrix& a) |
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159 { |
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160 octave_idx_type nc = a.cols (); |
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161 |
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162 // add one to the printed indices to go from |
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163 // zero-based to one-based arrays |
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164 for (octave_idx_type j = 0; j < nc; j++) |
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165 { |
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166 OCTAVE_QUIT; |
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167 for (octave_idx_type i = a.cidx(j); i < a.cidx(j+1); i++) |
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168 os << a.ridx(i) + 1 << " " << j + 1 << " " << a.data(i) << "\n"; |
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169 } |
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170 |
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171 return os; |
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172 } |
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173 |
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174 std::istream& |
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175 operator >> (std::istream& is, SparseBoolMatrix& a) |
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176 { |
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177 octave_idx_type nr = a.rows (); |
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178 octave_idx_type nc = a.cols (); |
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179 octave_idx_type nz = a.nzmax (); |
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180 |
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181 if (nr < 1 || nc < 1) |
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182 is.clear (std::ios::badbit); |
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183 else |
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184 { |
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185 octave_idx_type itmp, jtmp, jold = 0; |
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186 bool tmp; |
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187 octave_idx_type ii = 0; |
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188 |
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189 a.cidx (0) = 0; |
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190 for (octave_idx_type i = 0; i < nz; i++) |
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191 { |
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192 is >> itmp; |
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193 itmp--; |
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194 is >> jtmp; |
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195 jtmp--; |
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196 is >> tmp; |
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197 if (is) |
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198 { |
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199 if (jold != jtmp) |
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200 { |
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201 for (octave_idx_type j = jold; j < jtmp; j++) |
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202 a.cidx(j+1) = ii; |
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203 |
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204 jold = jtmp; |
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205 } |
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206 a.data (ii) = tmp; |
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207 a.ridx (ii++) = itmp; |
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208 } |
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209 else |
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210 goto done; |
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211 } |
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212 |
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213 for (octave_idx_type j = jold; j < nc; j++) |
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214 a.cidx(j+1) = ii; |
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215 } |
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216 |
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217 done: |
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218 |
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219 return is; |
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220 } |
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221 |
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222 SparseBoolMatrix |
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223 SparseBoolMatrix::squeeze (void) const |
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224 { |
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225 return Sparse<bool>::squeeze (); |
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226 } |
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227 |
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228 SparseBoolMatrix |
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229 SparseBoolMatrix::index (idx_vector& i, int resize_ok) const |
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230 { |
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231 return Sparse<bool>::index (i, resize_ok); |
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232 } |
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233 |
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234 SparseBoolMatrix |
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235 SparseBoolMatrix::index (idx_vector& i, idx_vector& j, int resize_ok) const |
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236 { |
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237 return Sparse<bool>::index (i, j, resize_ok); |
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238 } |
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239 |
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240 SparseBoolMatrix |
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241 SparseBoolMatrix::index (Array<idx_vector>& ra_idx, int resize_ok) const |
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242 { |
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243 return Sparse<bool>::index (ra_idx, resize_ok); |
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244 } |
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245 |
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246 SparseBoolMatrix |
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247 SparseBoolMatrix::reshape (const dim_vector& new_dims) const |
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248 { |
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249 return Sparse<bool>::reshape (new_dims); |
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250 } |
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251 |
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252 SparseBoolMatrix |
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253 SparseBoolMatrix::permute (const Array<octave_idx_type>& vec, bool inv) const |
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254 { |
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255 return Sparse<bool>::permute (vec, inv); |
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256 } |
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257 |
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258 SparseBoolMatrix |
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259 SparseBoolMatrix::ipermute (const Array<octave_idx_type>& vec) const |
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260 { |
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261 return Sparse<bool>::ipermute (vec); |
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262 } |
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263 |
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264 SPARSE_SMS_EQNE_OPS (SparseBoolMatrix, false, , bool, false, ) |
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265 SPARSE_SMS_BOOL_OPS (SparseBoolMatrix, bool, false) |
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266 |
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267 SPARSE_SSM_EQNE_OPS (bool, false, , SparseBoolMatrix, false, ) |
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268 SPARSE_SSM_BOOL_OPS (bool, SparseBoolMatrix, false) |
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269 |
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270 SPARSE_SMSM_EQNE_OPS (SparseBoolMatrix, false, , SparseBoolMatrix, false, ) |
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271 SPARSE_SMSM_BOOL_OPS (SparseBoolMatrix, SparseBoolMatrix, false) |
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272 |
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273 |
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274 /* |
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275 ;;; Local Variables: *** |
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276 ;;; mode: C++ *** |
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277 ;;; End: *** |
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278 */ |
