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1 /* |
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3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2002, 2003, |
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4 2004, 2005, 2006, 2007 John W. Eaton |
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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 #if !defined (octave_idx_vector_h) |
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25 #define octave_idx_vector_h 1 |
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26 |
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27 #include <iostream> |
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28 |
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29 #include "dim-vector.h" |
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30 #include "oct-inttypes.h" |
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31 #include "intNDArray.h" |
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32 |
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33 class ColumnVector; |
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34 class boolNDArray; |
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35 class NDArray; |
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36 class Range; |
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37 |
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38 class |
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39 OCTAVE_API |
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40 idx_vector |
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41 { |
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42 private: |
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43 |
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44 class |
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45 OCTAVE_API |
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46 idx_vector_rep |
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47 { |
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48 public: |
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49 |
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50 idx_vector_rep (void) |
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51 : data (0), len (0), num_zeros (0), num_ones (0), max_val (0), |
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52 min_val (0), count (1), frozen_at_z_len (0), frozen_len (0), |
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53 colon (0), one_zero (0), initialized (0), frozen (0), |
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54 colon_equiv_checked (0), colon_equiv (0), orig_dims () { } |
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55 |
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56 idx_vector_rep (const ColumnVector& v); |
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57 |
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58 idx_vector_rep (const NDArray& nda); |
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59 |
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60 template <class U> |
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61 idx_vector_rep (const intNDArray<U>& inda) |
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62 : data (0), len (inda.length ()), num_zeros (0), num_ones (0), |
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63 max_val (0), min_val (0), count (1), frozen_at_z_len (0), |
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64 frozen_len (0), colon (0), one_zero (0), initialized (0), |
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65 frozen (0), colon_equiv_checked (0), colon_equiv (0), |
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66 orig_dims (inda.dims ()) |
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67 { |
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68 if (len == 0) |
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69 { |
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70 initialized = 1; |
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71 return; |
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72 } |
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73 else |
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74 { |
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75 data = new octave_idx_type [len]; |
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76 |
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77 for (octave_idx_type i = 0; i < len; i++) |
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78 data[i] = tree_to_mat_idx (inda.elem (i)); |
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79 } |
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80 |
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81 init_state (); |
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82 } |
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83 |
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84 idx_vector_rep (const Range& r); |
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85 |
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86 idx_vector_rep (double d); |
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87 |
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88 idx_vector_rep (octave_idx_type i); |
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89 |
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90 idx_vector_rep (char c); |
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91 |
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92 idx_vector_rep (bool b); |
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93 |
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94 template <class U> |
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95 idx_vector_rep (const octave_int<U>& i) |
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96 : data (0), len (1), num_zeros (0), num_ones (0), |
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97 max_val (0), min_val (0), count (1), frozen_at_z_len (0), |
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98 frozen_len (0), colon (0), one_zero (0), initialized (0), |
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99 frozen (0), colon_equiv_checked (0), colon_equiv (0), |
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100 orig_dims (1, 1) |
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101 { |
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102 data = new octave_idx_type [len]; |
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103 |
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104 data[0] = tree_to_mat_idx (i); |
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105 |
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106 init_state (); |
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107 } |
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108 |
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109 idx_vector_rep (const boolNDArray& bnda); |
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110 |
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111 idx_vector_rep (const idx_vector_rep& a); |
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112 |
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113 ~idx_vector_rep (void) { delete [] data; } |
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114 |
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115 idx_vector_rep& operator = (const idx_vector_rep& a); |
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116 |
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117 int ok (void) { return initialized; } |
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118 |
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119 octave_idx_type capacity (void) const { return len; } |
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120 octave_idx_type length (octave_idx_type colon_len) const { return colon ? colon_len : len; } |
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121 |
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122 octave_idx_type elem (octave_idx_type n) const { return colon ? n : data[n]; } |
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123 |
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124 octave_idx_type checkelem (octave_idx_type n) const; |
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125 octave_idx_type operator () (octave_idx_type n) const { return checkelem (n); } |
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126 |
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127 octave_idx_type max (void) const { return max_val; } |
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128 octave_idx_type min (void) const { return min_val; } |
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129 |
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130 int one_zero_only (void) const { return one_zero; } |
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131 octave_idx_type zeros_count (void) const { return num_zeros; } |
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132 octave_idx_type ones_count (void) const { return num_ones; } |
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133 |
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134 int is_colon (void) const { return colon; } |
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135 int is_colon_equiv (octave_idx_type n, int sort_uniq); |
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136 |
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137 void sort (bool uniq); |
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138 |
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139 octave_idx_type orig_rows (void) const { return orig_dims(0); } |
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140 octave_idx_type orig_columns (void) const { return orig_dims(1); } |
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141 |
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142 dim_vector orig_dimensions (void) const { return orig_dims; } |
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143 |
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144 // other stuff |
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145 |
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146 void shorten (octave_idx_type n); // Unsafe. Avoid at all cost. |
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147 |
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148 octave_idx_type freeze (octave_idx_type z_len, const char *tag, bool resize_ok); |
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149 |
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150 // i/o |
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151 |
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152 std::ostream& print (std::ostream& os) const; |
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153 |
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154 octave_idx_type *data; |
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155 octave_idx_type len; |
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156 octave_idx_type num_zeros; |
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157 octave_idx_type num_ones; |
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158 octave_idx_type max_val; |
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159 octave_idx_type min_val; |
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160 |
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161 int count; |
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162 |
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163 octave_idx_type frozen_at_z_len; |
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164 octave_idx_type frozen_len; |
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165 |
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166 unsigned int colon : 1; |
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167 unsigned int one_zero : 1; |
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168 unsigned int initialized : 1; |
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169 unsigned int frozen : 1; |
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170 unsigned int colon_equiv_checked : 1; |
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171 unsigned int colon_equiv : 1; |
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172 |
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173 dim_vector orig_dims; |
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174 |
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175 void init_state (void); |
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176 |
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177 void maybe_convert_one_zero_to_idx (octave_idx_type z_len); |
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178 |
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179 octave_idx_type tree_to_mat_idx (double x, bool& conversion_error); |
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180 |
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181 octave_idx_type tree_to_mat_idx (octave_idx_type i) { return i - 1; } |
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182 |
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183 template <class U> octave_idx_type tree_to_mat_idx (const octave_int<U>& i) |
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184 { return i.value () - 1; } |
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185 }; |
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186 |
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187 public: |
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188 |
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189 idx_vector (void) : rep (new idx_vector_rep ()) { } |
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190 |
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191 idx_vector (const ColumnVector& v) : rep (new idx_vector_rep (v)) { } |
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192 |
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193 idx_vector (const NDArray& nda) : rep (new idx_vector_rep (nda)) { } |
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194 |
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195 template <class U> |
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196 idx_vector (const intNDArray<U>& inda) : rep (new idx_vector_rep (inda)) { } |
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197 |
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198 idx_vector (const Range& r) : rep (new idx_vector_rep (r)) { } |
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199 |
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200 idx_vector (double d) : rep (new idx_vector_rep (d)) { } |
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201 |
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202 idx_vector (octave_idx_type i) : rep (new idx_vector_rep (i)) { } |
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203 |
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204 idx_vector (char c) : rep (new idx_vector_rep (c)) { } |
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205 |
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206 idx_vector (bool b) : rep (new idx_vector_rep (b)) { } |
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207 |
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208 template <class U> |
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209 idx_vector (const octave_int<U>& i) : rep (new idx_vector_rep (i)) { } |
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210 |
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211 idx_vector (const boolNDArray& bnda) : rep (new idx_vector_rep (bnda)) { } |
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212 |
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213 idx_vector (const idx_vector& a) : rep (a.rep) { rep->count++; } |
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214 |
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215 ~idx_vector (void) |
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216 { |
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217 if (--rep->count <= 0) |
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218 delete rep; |
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219 } |
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220 |
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221 idx_vector& operator = (const idx_vector& a) |
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222 { |
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223 if (this != &a) |
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224 { |
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225 if (--rep->count <= 0) |
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226 delete rep; |
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227 |
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228 rep = a.rep; |
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229 rep->count++; |
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230 } |
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231 return *this; |
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232 } |
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233 |
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234 operator bool () const { return rep->ok (); } |
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235 |
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236 octave_idx_type capacity (void) const { return rep->capacity (); } |
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237 octave_idx_type length (octave_idx_type cl) const { return rep->length (cl); } |
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238 |
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239 octave_idx_type elem (octave_idx_type n) const { return rep->elem (n); } |
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240 octave_idx_type checkelem (octave_idx_type n) const { return rep->checkelem (n); } |
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241 octave_idx_type operator () (octave_idx_type n) const { return rep->operator () (n); } |
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242 |
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243 octave_idx_type max (void) const { return rep->max (); } |
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244 octave_idx_type min (void) const { return rep->min (); } |
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245 |
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246 int one_zero_only (void) const { return rep->one_zero_only (); } |
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247 octave_idx_type zeros_count (void) const { return rep->zeros_count (); } |
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248 octave_idx_type ones_count (void) const { return rep->ones_count (); } |
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249 |
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250 int is_colon (void) const { return rep->is_colon (); } |
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251 int is_colon_equiv (octave_idx_type n, int sort_uniq = 0) const |
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252 { return rep->is_colon_equiv (n, sort_uniq); } |
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253 |
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254 void sort (bool uniq = false) { rep->sort (uniq); } |
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255 |
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256 octave_idx_type orig_rows (void) const { return rep->orig_rows (); } |
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257 octave_idx_type orig_columns (void) const { return rep->orig_columns (); } |
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258 |
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259 dim_vector orig_dimensions (void) const { return rep->orig_dimensions (); } |
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260 |
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261 int orig_empty (void) const |
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262 { return (! is_colon () && orig_dimensions().any_zero ()); } |
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263 |
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264 // Unsafe. Avoid at all cost. |
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265 void shorten (octave_idx_type n) { rep->shorten (n); } |
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266 |
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267 // i/o |
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268 |
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269 octave_idx_type freeze (octave_idx_type z_len, const char *tag, bool resize_ok = false) |
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270 { return rep->freeze (z_len, tag, resize_ok); } |
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271 |
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272 std::ostream& print (std::ostream& os) const { return rep->print (os); } |
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273 |
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274 friend std::ostream& operator << (std::ostream& os, const idx_vector& a) |
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275 { return a.print (os); } |
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276 |
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277 void maybe_convert_one_zero_to_idx (octave_idx_type z_len) |
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278 { rep->maybe_convert_one_zero_to_idx (z_len); } |
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279 |
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280 private: |
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281 |
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282 idx_vector_rep *rep; |
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283 |
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284 void init_state (void) { rep->init_state (); } |
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285 }; |
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286 |
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287 #endif |
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288 |
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289 /* |
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290 ;;; Local Variables: *** |
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291 ;;; mode: C++ *** |
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292 ;;; End: *** |
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293 */ |
