annotate liboctave/Array.h @ 7259:9f02c32eb70d ss-2-9-18

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1 // Template array classes
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2 /*
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3
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4 Copyright (C) 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003,
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5 2004, 2005, 2006, 2007 John W. Eaton
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6
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7 This file is part of Octave.
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8
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9 Octave is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
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12 option) any later version.
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13
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14 Octave is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <http://www.gnu.org/licenses/>.
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22
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23 */
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24
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25 #if !defined (octave_Array_h)
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26 #define octave_Array_h 1
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27
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28 #include <cassert>
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29 #include <cstddef>
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30
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31 #include <iostream>
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32
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33 #include "dim-vector.h"
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34 #include "lo-utils.h"
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35
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36 class idx_vector;
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37
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38 // One dimensional array class. Handles the reference counting for
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39 // all the derived classes.
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40
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41 template <class T>
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42 T
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43 resize_fill_value (const T& x)
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44 {
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45 return x;
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46 }
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47
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48 template <class T>
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49 class
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50 Array
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51 {
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52 protected:
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53
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54 //--------------------------------------------------------------------
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55 // The real representation of all arrays.
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56 //--------------------------------------------------------------------
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57
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58 class ArrayRep
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59 {
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60 public:
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61
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62 T *data;
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63 octave_idx_type len;
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64 int count;
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65
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66 ArrayRep (T *d, octave_idx_type l) : data (d), len (l), count (1) { }
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67
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68 ArrayRep (void) : data (0), len (0), count (1) { }
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69
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70 explicit ArrayRep (octave_idx_type n) : data (new T [n]), len (n), count (1) { }
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71
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72 explicit ArrayRep (octave_idx_type n, const T& val)
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73 : data (new T [n]), len (n), count (1)
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74 {
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75 fill (val);
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76 }
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77
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78 ArrayRep (const ArrayRep& a)
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79 : data (new T [a.len]), len (a.len), count (1)
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80 {
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81 for (octave_idx_type i = 0; i < len; i++)
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82 data[i] = a.data[i];
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83 }
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84
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85 ~ArrayRep (void) { delete [] data; }
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86
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87 octave_idx_type length (void) const { return len; }
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88
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89 void fill (const T& val)
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90 {
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91 for (octave_idx_type i = 0; i < len; i++)
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92 data[i] = val;
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93 }
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94
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95 T& elem (octave_idx_type n) { return data[n]; }
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96
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97 T elem (octave_idx_type n) const { return data[n]; }
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98
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99 void qsort (int (*compare) (const void *, const void *))
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100 {
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101 octave_qsort (data, static_cast<size_t> (len), sizeof (T), compare);
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102 }
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103
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104 private:
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105
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106 // No assignment!
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107
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108 ArrayRep& operator = (const ArrayRep& a);
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109 };
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110
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111 //--------------------------------------------------------------------
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112
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113 public:
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114
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115 // !!! WARNING !!! -- these should be protected, not public. You
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116 // should not access these methods directly!
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117
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118 void make_unique (void)
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119 {
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120 if (rep->count > 1)
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121 {
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122 --rep->count;
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123 rep = new ArrayRep (*rep);
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124 }
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125 }
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126
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127 void make_unique (const T& val)
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128 {
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129 if (rep->count > 1)
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130 {
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131 --rep->count;
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132 rep = new ArrayRep (rep->length (), val);
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133 }
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134 else
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135 rep->fill (val);
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136 }
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137
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138 typedef T element_type;
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139
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140 // !!! WARNING !!! -- these should be protected, not public. You
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141 // should not access these data members directly!
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142
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143 typename Array<T>::ArrayRep *rep;
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144
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145 dim_vector dimensions;
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146
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147 protected:
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148
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149 mutable idx_vector *idx;
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150 mutable int idx_count;
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151
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152 Array (T *d, octave_idx_type n)
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153 : rep (new typename Array<T>::ArrayRep (d, n)), dimensions (n),
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154 idx (0), idx_count (0) { }
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155
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156 Array (T *d, const dim_vector& dv)
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157 : rep (new typename Array<T>::ArrayRep (d, get_size (dv))),
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158 dimensions (dv), idx (0), idx_count (0) { }
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159
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160 private:
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161
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162 typename Array<T>::ArrayRep *nil_rep (void) const
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163 {
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164 static typename Array<T>::ArrayRep *nr
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165 = new typename Array<T>::ArrayRep ();
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166
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167 return nr;
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168 }
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169
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170 template <class U>
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171 T *
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172 coerce (const U *a, int len)
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173 {
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174 T *retval = new T [len];
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175
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176 for (int i = 0; i < len; i++)
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177 retval[i] = T (a[i]);
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178
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179 return retval;
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180 }
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181
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182 public:
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183
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184 Array (void)
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185 : rep (nil_rep ()), dimensions (),
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186 idx (0), idx_count (0) { rep->count++; }
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187
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188 explicit Array (octave_idx_type n)
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189 : rep (new typename Array<T>::ArrayRep (n)), dimensions (n),
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190 idx (0), idx_count (0) { }
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191
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192 explicit Array (octave_idx_type n, const T& val)
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193 : rep (new typename Array<T>::ArrayRep (n)), dimensions (n),
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194 idx (0), idx_count (0)
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195 {
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196 fill (val);
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197 }
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198
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199 // Type conversion case.
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200 template <class U>
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201 Array (const Array<U>& a)
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202 : rep (new typename Array<T>::ArrayRep (coerce (a.data (), a.length ()), a.length ())),
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203 dimensions (a.dimensions), idx (0), idx_count (0)
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204 {
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205 }
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206
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207 // No type conversion case.
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208 Array (const Array<T>& a)
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209 : rep (a.rep), dimensions (a.dimensions), idx (0), idx_count (0)
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210 {
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211 rep->count++;
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212 }
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213
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214 public:
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215
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216 Array (const dim_vector& dv)
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217 : rep (new typename Array<T>::ArrayRep (get_size (dv))),
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218 dimensions (dv), idx (0), idx_count (0) { }
238
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219
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220 Array (const dim_vector& dv, const T& val)
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221 : rep (new typename Array<T>::ArrayRep (get_size (dv))),
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222 dimensions (dv), idx (0), idx_count (0)
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223 {
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224 fill (val);
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225 }
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226
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227 Array (const Array<T>& a, const dim_vector& dv);
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228
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229 virtual ~Array (void);
228
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230
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231 Array<T>& operator = (const Array<T>& a)
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232 {
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233 if (this != &a)
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234 {
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235 if (--rep->count <= 0)
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236 delete rep;
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237
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238 rep = a.rep;
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239 rep->count++;
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240
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241 dimensions = a.dimensions;
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242
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243 idx_count = 0;
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244 idx = 0;
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245 }
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246
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247 return *this;
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248 }
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249
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250 void fill (const T& val) { make_unique (val); }
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251
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252 octave_idx_type capacity (void) const { return rep->length (); }
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253 octave_idx_type length (void) const { return capacity (); }
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254 octave_idx_type nelem (void) const { return capacity (); }
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255 octave_idx_type numel (void) const { return nelem (); }
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256
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257 octave_idx_type dim1 (void) const { return dimensions(0); }
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258 octave_idx_type dim2 (void) const { return dimensions(1); }
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259 octave_idx_type dim3 (void) const { return dimensions(2); }
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260
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261 octave_idx_type rows (void) const { return dim1 (); }
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262 octave_idx_type cols (void) const { return dim2 (); }
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263 octave_idx_type columns (void) const { return dim2 (); }
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264 octave_idx_type pages (void) const { return dim3 (); }
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265
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266 size_t byte_size (void) const { return numel () * sizeof (T); }
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267
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268 dim_vector dims (void) const { return dimensions; }
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269
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270 Array<T> squeeze (void) const;
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271
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272 void chop_trailing_singletons (void)
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273 { dimensions.chop_trailing_singletons (); }
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274
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275 static octave_idx_type get_size (octave_idx_type r, octave_idx_type c);
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276 static octave_idx_type get_size (octave_idx_type r, octave_idx_type c, octave_idx_type p);
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277 static octave_idx_type get_size (const dim_vector& dv);
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278
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279 octave_idx_type compute_index (const Array<octave_idx_type>& ra_idx) const;
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280
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281 T range_error (const char *fcn, octave_idx_type n) const;
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282 T& range_error (const char *fcn, octave_idx_type n);
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283
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284 T range_error (const char *fcn, octave_idx_type i, octave_idx_type j) const;
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285 T& range_error (const char *fcn, octave_idx_type i, octave_idx_type j);
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286
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287 T range_error (const char *fcn, octave_idx_type i, octave_idx_type j, octave_idx_type k) const;
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288 T& range_error (const char *fcn, octave_idx_type i, octave_idx_type j, octave_idx_type k);
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289
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290 T range_error (const char *fcn, const Array<octave_idx_type>& ra_idx) const;
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291 T& range_error (const char *fcn, const Array<octave_idx_type>& ra_idx);
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292
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293 // No checking, even for multiple references, ever.
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294
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295 T& xelem (octave_idx_type n) { return rep->elem (n); }
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296 T xelem (octave_idx_type n) const { return rep->elem (n); }
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297
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298 T& xelem (octave_idx_type i, octave_idx_type j) { return xelem (dim1()*j+i); }
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299 T xelem (octave_idx_type i, octave_idx_type j) const { return xelem (dim1()*j+i); }
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300
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301 T& xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return xelem (i, dim2()*k+j); }
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302 T xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return xelem (i, dim2()*k+j); }
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303
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304 T& xelem (const Array<octave_idx_type>& ra_idx)
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305 { return xelem (compute_index (ra_idx)); }
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306
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307 T xelem (const Array<octave_idx_type>& ra_idx) const
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308 { return xelem (compute_index (ra_idx)); }
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309
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310 // FIXME -- would be nice to fix this so that we don't
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311 // unnecessarily force a copy, but that is not so easy, and I see no
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312 // clean way to do it.
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313
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314 T& checkelem (octave_idx_type n)
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315 {
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316 if (n < 0 || n >= rep->length ())
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317 return range_error ("T& Array<T>::checkelem", n);
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318 else
2108
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319 {
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320 make_unique ();
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321 return xelem (n);
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322 }
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323 }
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324
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325 T& checkelem (octave_idx_type i, octave_idx_type j)
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326 {
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327 if (i < 0 || j < 0 || i >= dim1 () || j >= dim2 ())
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328 return range_error ("T& Array<T>::checkelem", i, j);
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329 else
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330 return elem (dim1()*j+i);
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331 }
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332
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333 T& checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k)
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334 {
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335 if (i < 0 || j < 0 || k < 0 || i >= dim1 () || j >= dim2 () || k >= dim3 ())
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336 return range_error ("T& Array<T>::checkelem", i, j, k);
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337 else
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338 return elem (i, dim2()*k+j);
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339 }
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340
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341 T& checkelem (const Array<octave_idx_type>& ra_idx)
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342 {
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343 octave_idx_type i = compute_index (ra_idx);
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344
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345 if (i < 0)
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346 return range_error ("T& Array<T>::checkelem", ra_idx);
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347 else
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348 return elem (i);
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349 }
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350
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351 T& elem (octave_idx_type n)
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352 {
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353 make_unique ();
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354 return xelem (n);
2108
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355 }
2306
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356
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357 T& elem (octave_idx_type i, octave_idx_type j) { return elem (dim1()*j+i); }
4513
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358
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359 T& elem (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return elem (i, dim2()*k+j); }
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360
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361 T& elem (const Array<octave_idx_type>& ra_idx)
4513
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362 { return Array<T>::elem (compute_index (ra_idx)); }
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diff changeset
363
2306
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364 #if defined (BOUNDS_CHECKING)
5275
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365 T& operator () (octave_idx_type n) { return checkelem (n); }
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diff changeset
366 T& operator () (octave_idx_type i, octave_idx_type j) { return checkelem (i, j); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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367 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return checkelem (i, j, k); }
6867
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368 T& operator () (const Array<octave_idx_type>& ra_idx) { return checkelem (ra_idx); }
2306
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369 #else
5275
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370 T& operator () (octave_idx_type n) { return elem (n); }
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371 T& operator () (octave_idx_type i, octave_idx_type j) { return elem (i, j); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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372 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return elem (i, j, k); }
6867
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373 T& operator () (const Array<octave_idx_type>& ra_idx) { return elem (ra_idx); }
2006
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374 #endif
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375
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376 T checkelem (octave_idx_type n) const
2006
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diff changeset
377 {
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diff changeset
378 if (n < 0 || n >= rep->length ())
2109
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diff changeset
379 return range_error ("T Array<T>::checkelem", n);
2049
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diff changeset
380 else
2108
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diff changeset
381 return xelem (n);
2006
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382 }
1989
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diff changeset
383
5275
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diff changeset
384 T checkelem (octave_idx_type i, octave_idx_type j) const
4513
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diff changeset
385 {
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diff changeset
386 if (i < 0 || j < 0 || i >= dim1 () || j >= dim2 ())
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parents: 4461
diff changeset
387 return range_error ("T Array<T>::checkelem", i, j);
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diff changeset
388 else
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parents: 4461
diff changeset
389 return elem (dim1()*j+i);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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diff changeset
390 }
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diff changeset
391
5275
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diff changeset
392 T checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
4513
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diff changeset
393 {
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diff changeset
394 if (i < 0 || j < 0 || k < 0 || i >= dim1 () || j >= dim2 () || k >= dim3 ())
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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diff changeset
395 return range_error ("T Array<T>::checkelem", i, j, k);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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diff changeset
396 else
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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parents: 4461
diff changeset
397 return Array<T>::elem (i, Array<T>::dim1()*k+j);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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diff changeset
398 }
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diff changeset
399
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diff changeset
400 T checkelem (const Array<octave_idx_type>& ra_idx) const
4513
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diff changeset
401 {
5275
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diff changeset
402 octave_idx_type i = compute_index (ra_idx);
4513
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diff changeset
403
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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parents: 4461
diff changeset
404 if (i < 0)
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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parents: 4461
diff changeset
405 return range_error ("T Array<T>::checkelem", ra_idx);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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parents: 4461
diff changeset
406 else
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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parents: 4461
diff changeset
407 return Array<T>::elem (i);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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diff changeset
408 }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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diff changeset
409
5275
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diff changeset
410 T elem (octave_idx_type n) const { return xelem (n); }
2306
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diff changeset
411
5275
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diff changeset
412 T elem (octave_idx_type i, octave_idx_type j) const { return elem (dim1()*j+i); }
4513
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diff changeset
413
5275
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diff changeset
414 T elem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return elem (i, dim2()*k+j); }
4513
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diff changeset
415
6867
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diff changeset
416 T elem (const Array<octave_idx_type>& ra_idx) const
4513
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diff changeset
417 { return Array<T>::elem (compute_index (ra_idx)); }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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parents: 4461
diff changeset
418
2108
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diff changeset
419 #if defined (BOUNDS_CHECKING)
5275
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diff changeset
420 T operator () (octave_idx_type n) const { return checkelem (n); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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diff changeset
421 T operator () (octave_idx_type i, octave_idx_type j) const { return checkelem (i, j); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5105
diff changeset
422 T operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return checkelem (i, j, k); }
6867
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parents: 6708
diff changeset
423 T operator () (const Array<octave_idx_type>& ra_idx) const { return checkelem (ra_idx); }
2006
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diff changeset
424 #else
5275
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diff changeset
425 T operator () (octave_idx_type n) const { return elem (n); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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diff changeset
426 T operator () (octave_idx_type i, octave_idx_type j) const { return elem (i, j); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5105
diff changeset
427 T operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return elem (i, j, k); }
6867
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parents: 6708
diff changeset
428 T operator () (const Array<octave_idx_type>& ra_idx) const { return elem (ra_idx); }
2006
95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe]
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parents: 2005
diff changeset
429 #endif
95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe]
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parents: 2005
diff changeset
430
4567
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parents: 4559
diff changeset
431 Array<T> reshape (const dim_vector& new_dims) const;
fc30061d01da [project @ 2003-10-29 20:11:15 by jwe]
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parents: 4559
diff changeset
432
5275
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diff changeset
433 Array<T> permute (const Array<octave_idx_type>& vec, bool inv = false) const;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5105
diff changeset
434 Array<T> ipermute (const Array<octave_idx_type>& vec) const
4593
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jwe
parents: 4587
diff changeset
435 { return permute (vec, true); }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4587
diff changeset
436
5275
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diff changeset
437 void resize_no_fill (octave_idx_type n);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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parents: 5105
diff changeset
438 void resize_and_fill (octave_idx_type n, const T& val);
4548
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parents: 4532
diff changeset
439
4518
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
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parents: 4517
diff changeset
440 // !!! WARNING !!! -- the following resize_no_fill and
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
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parents: 4517
diff changeset
441 // resize_and_fill functions are public because template friends
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
442 // don't work properly with versions of gcc earlier than 3.3. You
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
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parents: 4517
diff changeset
443 // should use these functions only in classes that are derived
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
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parents: 4517
diff changeset
444 // from Array<T>.
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
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parents: 4517
diff changeset
445
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
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parents: 4517
diff changeset
446 // protected:
4513
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diff changeset
447
5275
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parents: 5105
diff changeset
448 void resize_no_fill (octave_idx_type r, octave_idx_type c);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
449 void resize_and_fill (octave_idx_type r, octave_idx_type c, const T& val);
4513
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jwe
parents: 4461
diff changeset
450
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
451 void resize_no_fill (octave_idx_type r, octave_idx_type c, octave_idx_type p);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
452 void resize_and_fill (octave_idx_type r, octave_idx_type c, octave_idx_type p, const T& val);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
453
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4585
diff changeset
454 void resize_no_fill (const dim_vector& dv);
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4585
diff changeset
455 void resize_and_fill (const dim_vector& dv, const T& val);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
456
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
457 public:
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
458
5392
017e427ab4d9 [project @ 2005-06-15 15:29:49 by jwe]
jwe
parents: 5307
diff changeset
459 void resize (octave_idx_type n) { resize_no_fill (n); }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
460
5392
017e427ab4d9 [project @ 2005-06-15 15:29:49 by jwe]
jwe
parents: 5307
diff changeset
461 void resize (octave_idx_type n, const T& val) { resize_and_fill (n, val); }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
462
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4585
diff changeset
463 void resize (const dim_vector& dv) { resize_no_fill (dv); }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
464
4587
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4585
diff changeset
465 void resize (const dim_vector& dv, const T& val)
7b957b442818 [project @ 2003-11-10 15:50:39 by jwe]
jwe
parents: 4585
diff changeset
466 { resize_and_fill (dv, val); }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
467
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
468 Array<T>& insert (const Array<T>& a, octave_idx_type r, octave_idx_type c);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
469 Array<T>& insert2 (const Array<T>& a, octave_idx_type r, octave_idx_type c);
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
470 Array<T>& insertN (const Array<T>& a, octave_idx_type r, octave_idx_type c);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
471
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
472 Array<T>& insert (const Array<T>& a, const Array<octave_idx_type>& idx);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
473
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
474 bool is_square (void) const { return (dim1 () == dim2 ()); }
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
475
4559
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe]
jwe
parents: 4548
diff changeset
476 bool is_empty (void) const { return numel () == 0; }
802818bfac91 [project @ 2003-10-28 19:13:43 by jwe]
jwe
parents: 4548
diff changeset
477
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
478 Array<T> transpose (void) const;
238
780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents: 228
diff changeset
479
1550
d89532de8e72 [project @ 1995-10-08 01:12:20 by jwe]
jwe
parents: 1366
diff changeset
480 const T *data (void) const { return rep->data; }
228
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
481
3952
945e8c160191 [project @ 2002-05-23 17:18:12 by jwe]
jwe
parents: 3944
diff changeset
482 const T *fortran_vec (void) const { return data (); }
945e8c160191 [project @ 2002-05-23 17:18:12 by jwe]
jwe
parents: 3944
diff changeset
483
238
780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents: 228
diff changeset
484 T *fortran_vec (void);
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
485
1781
e090f89bf2f5 [project @ 1996-01-24 08:04:14 by jwe]
jwe
parents: 1756
diff changeset
486 Array<T>& qsort (int (*compare) (const void *, const void *))
1756
1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe]
jwe
parents: 1735
diff changeset
487 {
2347
b360ae77cd49 [project @ 1996-07-25 09:10:54 by jwe]
jwe
parents: 2306
diff changeset
488 make_unique ();
1756
1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe]
jwe
parents: 1735
diff changeset
489
1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe]
jwe
parents: 1735
diff changeset
490 rep->qsort (compare);
1781
e090f89bf2f5 [project @ 1996-01-24 08:04:14 by jwe]
jwe
parents: 1756
diff changeset
491
e090f89bf2f5 [project @ 1996-01-24 08:04:14 by jwe]
jwe
parents: 1756
diff changeset
492 return *this;
1756
1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe]
jwe
parents: 1735
diff changeset
493 }
1af643fa00e3 [project @ 1996-01-22 04:55:17 by jwe]
jwe
parents: 1735
diff changeset
494
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
495 int ndims (void) const { return dimensions.length (); }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
496
4517
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe]
jwe
parents: 4513
diff changeset
497 void maybe_delete_dims (void);
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe]
jwe
parents: 4513
diff changeset
498
6881
cd2c6a69a70d [project @ 2007-09-07 21:48:09 by jwe]
jwe
parents: 6867
diff changeset
499 void clear_index (void) const;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
500
6881
cd2c6a69a70d [project @ 2007-09-07 21:48:09 by jwe]
jwe
parents: 6867
diff changeset
501 void set_index (const idx_vector& i) const;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
502
1619
1a35c8c91349 [project @ 1995-11-04 11:07:21 by jwe]
jwe
parents: 1574
diff changeset
503 int index_count (void) const { return idx_count; }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
504
1619
1a35c8c91349 [project @ 1995-11-04 11:07:21 by jwe]
jwe
parents: 1574
diff changeset
505 idx_vector *get_idx (void) const { return idx; }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
506
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
507 void maybe_delete_elements (idx_vector& i);
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
508
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
509 void maybe_delete_elements_1 (idx_vector& i);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
510
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
511 void maybe_delete_elements_2 (idx_vector& i);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
512
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
513 void maybe_delete_elements (idx_vector& i, idx_vector& j);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
514
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
515 void maybe_delete_elements (idx_vector& i, idx_vector& j, idx_vector& k);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
516
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
517 void maybe_delete_elements (Array<idx_vector>& ra_idx, const T& rfv);
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
518
6881
cd2c6a69a70d [project @ 2007-09-07 21:48:09 by jwe]
jwe
parents: 6867
diff changeset
519 Array<T> value (void) const;
2382
58e5955495d7 [project @ 1996-10-12 17:45:06 by jwe]
jwe
parents: 2347
diff changeset
520
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3928
diff changeset
521 Array<T> index (idx_vector& i, int resize_ok = 0,
4459
75ee1995d2b4 [project @ 2003-07-11 17:46:41 by jwe]
jwe
parents: 4192
diff changeset
522 const T& rfv = resize_fill_value (T ())) const;
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3928
diff changeset
523
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
524 Array<T> index1 (idx_vector& i, int resize_ok = 0,
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
525 const T& rfv = resize_fill_value (T ())) const;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
526
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
527 Array<T> index2 (idx_vector& i, int resize_ok = 0,
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
528 const T& rfv = resize_fill_value (T ())) const;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
529
4530
e8d87fefd144 [project @ 2003-10-07 04:02:04 by jwe]
jwe
parents: 4518
diff changeset
530 Array<T> indexN (idx_vector& i, int resize_ok = 0,
e8d87fefd144 [project @ 2003-10-07 04:02:04 by jwe]
jwe
parents: 4518
diff changeset
531 const T& rfv = resize_fill_value (T ())) const;
e8d87fefd144 [project @ 2003-10-07 04:02:04 by jwe]
jwe
parents: 4518
diff changeset
532
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
533 Array<T> index (idx_vector& i, idx_vector& j, int resize_ok = 0,
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
534 const T& rfv = resize_fill_value (T ())) const;
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
535
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
536 Array<T> index (Array<idx_vector>& ra_idx, int resize_ok = 0,
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
537 const T& rfv = resize_fill_value (T ())) const;
3928
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe]
jwe
parents: 3836
diff changeset
538
4459
75ee1995d2b4 [project @ 2003-07-11 17:46:41 by jwe]
jwe
parents: 4192
diff changeset
539 // static T resize_fill_value (void) { return T (); }
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3928
diff changeset
540
4517
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe]
jwe
parents: 4513
diff changeset
541 void print_info (std::ostream& os, const std::string& prefix) const;
5900
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
542
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
543 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
544 // You should not use it anywhere else.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
545 void *mex_get_data (void) const { return const_cast<T *> (data ()); }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
546 };
4459
75ee1995d2b4 [project @ 2003-07-11 17:46:41 by jwe]
jwe
parents: 4192
diff changeset
547
4518
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
548 // NOTE: these functions should be friends of the Array<T> class and
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
549 // Array<T>::dimensions should be protected, not public, but we can't
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
550 // do that because of bugs in gcc prior to 3.3.
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
551
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
552 template <class LT, class RT>
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
553 /* friend */ int
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
554 assign (Array<LT>& lhs, const Array<RT>& rhs, const LT& rfv);
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
555
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
556 template <class LT, class RT>
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
557 /* friend */ int
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
558 assign1 (Array<LT>& lhs, const Array<RT>& rhs, const LT& rfv);
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
559
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
560 template <class LT, class RT>
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
561 /* friend */ int
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
562 assign2 (Array<LT>& lhs, const Array<RT>& rhs, const LT& rfv);
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
563
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
564 template <class LT, class RT>
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
565 /* friend */ int
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
566 assignN (Array<LT>& lhs, const Array<RT>& rhs, const LT& rfv);
382cb0ed8c14 [project @ 2003-09-20 18:08:40 by jwe]
jwe
parents: 4517
diff changeset
567
3836
b8c1cb5b9fd9 [project @ 2001-05-31 19:30:49 by jwe]
jwe
parents: 3665
diff changeset
568 template <class LT, class RT>
b8c1cb5b9fd9 [project @ 2001-05-31 19:30:49 by jwe]
jwe
parents: 3665
diff changeset
569 int
b8c1cb5b9fd9 [project @ 2001-05-31 19:30:49 by jwe]
jwe
parents: 3665
diff changeset
570 assign (Array<LT>& lhs, const Array<RT>& rhs)
b8c1cb5b9fd9 [project @ 2001-05-31 19:30:49 by jwe]
jwe
parents: 3665
diff changeset
571 {
4459
75ee1995d2b4 [project @ 2003-07-11 17:46:41 by jwe]
jwe
parents: 4192
diff changeset
572 return assign (lhs, rhs, resize_fill_value (LT ()));
3836
b8c1cb5b9fd9 [project @ 2001-05-31 19:30:49 by jwe]
jwe
parents: 3665
diff changeset
573 }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
574
6708
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
575 #define INSTANTIATE_ARRAY_ASSIGN(LT, RT, API) \
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
576 template API int assign (Array<LT>&, const Array<RT>&, const LT&); \
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
577 template API int assign1 (Array<LT>&, const Array<RT>&, const LT&); \
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
578 template API int assign2 (Array<LT>&, const Array<RT>&, const LT&); \
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
579 template API int assignN (Array<LT>&, const Array<RT>&, const LT&); \
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
580 template API int assign (Array<LT>&, const Array<RT>&)
4594
3a284f89aa41 [project @ 2003-11-12 02:27:28 by jwe]
jwe
parents: 4593
diff changeset
581
4762
bec345670e56 [project @ 2004-02-16 05:07:23 by jwe]
jwe
parents: 4703
diff changeset
582
6708
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
583 #define INSTANTIATE_ARRAY(T, API) \
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
584 template class API Array<T>; \
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
585 template API T resize_fill_value (const T&); \
4762
bec345670e56 [project @ 2004-02-16 05:07:23 by jwe]
jwe
parents: 4703
diff changeset
586
6708
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
587 #define INSTANTIATE_ARRAY_AND_ASSIGN(T, API) \
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
588 INSTANTIATE_ARRAY (T, API); \
0ce71beb1cf3 [project @ 2007-06-13 06:40:48 by jwe]
jwe
parents: 6108
diff changeset
589 INSTANTIATE_ARRAY_ASSIGN (T, T, API)
4594
3a284f89aa41 [project @ 2003-11-12 02:27:28 by jwe]
jwe
parents: 4593
diff changeset
590
228
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
591 #endif
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
592
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
593 /*
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
594 ;;; Local Variables: ***
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
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595 ;;; mode: C++ ***
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
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596 ;;; End: ***
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
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597 */