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1 /* |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 2, or (at your option) any |
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10 later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_idx_vector_h) |
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24 #define octave_idx_vector_h 1 |
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25 |
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26 #if defined (__GNUG__) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 class ostream; |
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31 class ColumnVector; |
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32 class boolMatrix; |
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33 class Matrix; |
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34 class Range; |
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35 |
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36 class |
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37 idx_vector |
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38 { |
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39 private: |
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40 |
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41 class |
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42 idx_vector_rep |
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43 { |
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44 public: |
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45 |
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46 idx_vector_rep (void) |
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47 { |
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48 colon = 0; |
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49 len = 0; |
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50 num_zeros = 0; |
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51 num_ones = 0; |
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52 one_zero = 0; |
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53 orig_nr = 0; |
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54 orig_nc = 0; |
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55 initialized = 0; |
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56 frozen = 0; |
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57 colon_equiv_checked = 0; |
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58 colon_equiv = 0; |
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59 data = 0; |
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60 } |
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61 |
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62 idx_vector_rep (const ColumnVector& v); |
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63 |
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64 idx_vector_rep (const Matrix& m); |
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65 |
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66 idx_vector_rep (const Range& r); |
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67 |
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68 idx_vector_rep (double d); |
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69 |
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70 idx_vector_rep (char c); |
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71 |
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72 idx_vector_rep (bool b); |
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73 |
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74 idx_vector_rep (const boolMatrix& bm); |
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75 |
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76 idx_vector_rep (const idx_vector_rep& a); |
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77 |
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78 ~idx_vector_rep (void) { delete [] data; } |
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79 |
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80 idx_vector_rep& operator = (const idx_vector_rep& a); |
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81 |
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82 int ok (void) { return initialized; } |
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83 |
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84 int capacity (void) const { return len; } |
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85 int length (int colon_len) const { return colon ? colon_len : len; } |
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86 |
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87 int elem (int n) const { return colon ? n : data[n]; } |
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88 |
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89 int checkelem (int n) const; |
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90 int operator () (int n) const { return checkelem (n); } |
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91 |
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92 int max (void) const { return max_val; } |
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93 int min (void) const { return min_val; } |
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94 |
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95 int one_zero_only (void) const { return one_zero; } |
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96 int zeros_count (void) const { return num_zeros; } |
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97 int ones_count (void) const { return num_ones; } |
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98 |
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99 int is_colon (void) const { return colon; } |
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100 int is_colon_equiv (int n, int sort_uniq); |
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101 |
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102 int orig_rows (void) const { return orig_nr; } |
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103 int orig_columns (void) const { return orig_nc; } |
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104 |
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105 // other stuff |
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106 |
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107 void shorten (int n); // Unsafe. Avoid at all cost. |
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108 |
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109 int freeze (int z_len, const char *tag, int resize_ok); |
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110 |
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111 // i/o |
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112 |
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113 ostream& print (ostream& os) const; |
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114 |
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115 int *data; |
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116 int len; |
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117 int num_zeros; |
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118 int num_ones; |
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119 int max_val; |
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120 int min_val; |
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121 int orig_nr; |
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122 int orig_nc; |
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123 int count; |
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124 int frozen_at_z_len; |
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125 int frozen_len; |
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126 unsigned int colon : 1; |
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127 unsigned int one_zero : 1; |
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128 unsigned int initialized : 1; |
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129 unsigned int frozen : 1; |
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130 unsigned int colon_equiv_checked : 1; |
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131 unsigned int colon_equiv : 1; |
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132 |
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133 void init_state (void); |
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134 |
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135 void maybe_convert_one_zero_to_idx (int z_len); |
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136 }; |
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137 |
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138 public: |
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139 |
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140 idx_vector (void) |
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141 { |
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142 rep = new idx_vector_rep (); |
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143 rep->count = 1; |
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144 } |
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145 |
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146 idx_vector (const ColumnVector& v) |
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147 { |
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148 rep = new idx_vector_rep (v); |
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149 rep->count = 1; |
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150 } |
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151 |
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152 idx_vector (const Matrix& m) |
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153 { |
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154 rep = new idx_vector_rep (m); |
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155 rep->count = 1; |
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156 } |
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157 |
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158 idx_vector (const Range& r) |
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159 { |
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160 rep = new idx_vector_rep (r); |
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161 rep->count = 1; |
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162 } |
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163 |
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164 idx_vector (double d) |
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165 { |
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166 rep = new idx_vector_rep (d); |
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167 rep->count = 1; |
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168 } |
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169 |
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170 idx_vector (char c) |
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171 { |
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172 rep = new idx_vector_rep (c); |
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173 rep->count = 1; |
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174 } |
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175 |
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176 idx_vector (bool b) |
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177 { |
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178 rep = new idx_vector_rep (b); |
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179 rep->count = 1; |
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180 } |
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181 |
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182 idx_vector (const boolMatrix& bm) |
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183 { |
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184 rep = new idx_vector_rep (bm); |
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185 rep->count = 1; |
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186 } |
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187 |
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188 idx_vector (const idx_vector& a) |
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189 { |
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190 rep = a.rep; |
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191 rep->count++; |
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192 } |
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193 |
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194 ~idx_vector (void) |
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195 { |
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196 if (--rep->count <= 0) |
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197 delete rep; |
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198 } |
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199 |
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200 idx_vector& operator = (const idx_vector& a) |
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201 { |
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202 if (this != &a) |
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203 { |
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204 if (--rep->count <= 0) |
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205 delete rep; |
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206 |
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207 rep = a.rep; |
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208 rep->count++; |
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209 } |
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210 return *this; |
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211 } |
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212 |
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213 operator void * () const |
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214 { return static_cast<void *> (rep->ok ()); } |
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215 |
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216 int capacity (void) const { return rep->capacity (); } |
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217 int length (int cl) const { return rep->length (cl); } |
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218 |
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219 int elem (int n) const { return rep->elem (n); } |
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220 int checkelem (int n) const { return rep->checkelem (n); } |
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221 int operator () (int n) const { return rep->operator () (n); } |
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222 |
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223 int max (void) const { return rep->max (); } |
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224 int min (void) const { return rep->min (); } |
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225 |
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226 int one_zero_only (void) const { return rep->one_zero_only (); } |
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227 int zeros_count (void) const { return rep->zeros_count (); } |
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228 int ones_count (void) const { return rep->ones_count (); } |
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229 |
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230 int is_colon (void) const { return rep->is_colon (); } |
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231 int is_colon_equiv (int n, int sort_uniq = 0) const |
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232 { return rep->is_colon_equiv (n, sort_uniq); } |
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233 |
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234 int orig_rows (void) const { return rep->orig_rows (); } |
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235 int orig_columns (void) const { return rep->orig_columns (); } |
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236 |
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237 int orig_empty (void) const |
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238 { |
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239 return (! is_colon () |
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240 && (orig_rows () == 0 || orig_columns () == 0)); |
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241 } |
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242 |
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243 // Unsafe. Avoid at all cost. |
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244 void shorten (int n) { rep->shorten (n); } |
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245 |
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246 // i/o |
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247 |
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248 int freeze (int z_len, const char *tag, int resize_ok = 0) |
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249 { return rep->freeze (z_len, tag, resize_ok); } |
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250 |
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251 ostream& print (ostream& os) const { return rep->print (os); } |
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252 |
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253 friend ostream& operator << (ostream& os, const idx_vector& a) |
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254 { return a.print (os); } |
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255 |
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256 void maybe_convert_one_zero_to_idx (int z_len) |
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257 { rep->maybe_convert_one_zero_to_idx (z_len); } |
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258 |
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259 private: |
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260 |
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261 idx_vector_rep *rep; |
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262 |
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263 void init_state (void) { rep->init_state (); } |
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264 }; |
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265 |
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266 #endif |
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267 |
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268 /* |
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269 ;;; Local Variables: *** |
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270 ;;; mode: C++ *** |
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271 ;;; End: *** |
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272 */ |
