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annotate liboctave/Array.h @ 10142:829e69ec3110

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make OCTAVE_QUIT a function
author Jaroslav Hajek <highegg@gmail.com>
date Wed, 20 Jan 2010 10:38:00 +0100
parents ed49cef7e005
children 4c0cdbe0acca
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1993
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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) 2008, 2009 Jaroslav Hajek
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5 Copyright (C) 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003,
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6 2004, 2005, 2006, 2007 John W. Eaton
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7
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8 This file is part of Octave.
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9
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10 Octave is free software; you can redistribute it and/or modify it
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11 under the terms of the GNU General Public License as published by the
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12 Free Software Foundation; either version 3 of the License, or (at your
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13 option) any later version.
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14
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15 Octave is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with Octave; see the file COPYING. If not, see
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22 <http://www.gnu.org/licenses/>.
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23
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24 */
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25
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26 #if !defined (octave_Array_h)
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27 #define octave_Array_h 1
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28
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29 #include <cassert>
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30 #include <cstddef>
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31
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32 #include <algorithm>
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33 #include <iosfwd>
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34
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35 #include "dim-vector.h"
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36 #include "idx-vector.h"
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37 #include "lo-traits.h"
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38 #include "lo-utils.h"
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39 #include "oct-sort.h"
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40 #include "quit.h"
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41 #include "oct-mem.h"
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42
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43 // One dimensional array class. Handles the reference counting for
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44 // all the derived classes.
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45
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46 template <class T>
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47 class
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48 Array
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49 {
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50 protected:
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51
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52 //--------------------------------------------------------------------
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53 // The real representation of all arrays.
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54 //--------------------------------------------------------------------
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55
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56 class ArrayRep
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57 {
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58 public:
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59
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60 T *data;
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61 octave_idx_type len;
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62 int count;
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63
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64 ArrayRep (T *d, octave_idx_type l, bool copy = false)
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65 : data (copy ? no_ctor_new<T> (l) : d), len (l), count (1)
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66 {
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67 if (copy)
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68 copy_or_memcpy (l, d, data);
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69 }
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70
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71 ArrayRep (void) : data (0), len (0), count (1) { }
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72
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73 explicit ArrayRep (octave_idx_type n) : data (no_ctor_new<T> (n)), len (n), count (1) { }
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74
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75 explicit ArrayRep (octave_idx_type n, const T& val)
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76 : data (no_ctor_new<T> (n)), len (n), count (1)
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77 {
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78 fill_or_memset (n, val, data);
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79 }
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80
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81 ArrayRep (const ArrayRep& a)
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82 : data (no_ctor_new<T> (a.len)), len (a.len), count (1)
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83 {
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84 copy_or_memcpy (a.len, a.data, data);
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85 }
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86
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87 ~ArrayRep (void) { no_ctor_delete<T> (data); }
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88
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89 octave_idx_type length (void) const { return len; }
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90
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91 private:
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92
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93 // No assignment!
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94
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95 ArrayRep& operator = (const ArrayRep& a);
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96 };
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97
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98 //--------------------------------------------------------------------
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99
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100 public:
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101
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102 void make_unique (void)
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103 {
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104 if (rep->count > 1)
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105 {
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106 --rep->count;
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107 rep = new ArrayRep (slice_data, slice_len, true);
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108 slice_data = rep->data;
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109 }
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110 }
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111
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112 typedef T element_type;
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113
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114 typedef typename ref_param<T>::type crefT;
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115
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116 typedef bool (*compare_fcn_type) (typename ref_param<T>::type,
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117 typename ref_param<T>::type);
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118
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119 protected:
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120
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121 typename Array<T>::ArrayRep *rep;
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122
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123 dim_vector dimensions;
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124
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125 // Rationale:
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126 // slice_data is a pointer to rep->data, denoting together with slice_len the
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127 // actual portion of the data referenced by this Array<T> object. This allows
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128 // to make shallow copies not only of a whole array, but also of contiguous
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129 // subranges. Every time rep is directly manipulated, slice_data and slice_len
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130 // need to be properly updated.
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131
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132 T* slice_data;
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133 octave_idx_type slice_len;
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134
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135 Array (T *d, octave_idx_type n)
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136 : rep (new typename Array<T>::ArrayRep (d, n)), dimensions (n)
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137 {
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138 slice_data = rep->data;
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139 slice_len = rep->len;
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140 }
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141
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142 Array (T *d, const dim_vector& dv)
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143 : rep (new typename Array<T>::ArrayRep (d, dv.numel ())),
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144 dimensions (dv)
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145 {
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146 slice_data = rep->data;
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147 slice_len = rep->len;
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148 dimensions.chop_trailing_singletons ();
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149 }
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150
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151 // slice constructor
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152 Array (const Array<T>& a, const dim_vector& dv,
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153 octave_idx_type l, octave_idx_type u)
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154 : rep(a.rep), dimensions (dv)
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155 {
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156 rep->count++;
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157 slice_data = a.slice_data + l;
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158 slice_len = u - l;
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159 dimensions.chop_trailing_singletons ();
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160 }
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161
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162 private:
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163
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164 typename Array<T>::ArrayRep *nil_rep (void) const
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165 {
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166 static typename Array<T>::ArrayRep *nr
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167 = new typename Array<T>::ArrayRep ();
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168
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169 return nr;
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170 }
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171
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172 template <class U>
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173 T *
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174 coerce (const U *a, octave_idx_type len)
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175 {
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176 T *retval = no_ctor_new<T> (len);
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177
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178 for (octave_idx_type i = 0; i < len; i++)
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179 retval[i] = T (a[i]);
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180
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181 return retval;
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182 }
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183
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184 public:
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185
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186 Array (void)
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187 : rep (nil_rep ()), dimensions ()
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188 {
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189 rep->count++;
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190 slice_data = rep->data;
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191 slice_len = rep->len;
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192 }
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193
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194 explicit Array (octave_idx_type n)
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195 : rep (new typename Array<T>::ArrayRep (n)), dimensions (n)
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196 {
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197 slice_data = rep->data;
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198 slice_len = rep->len;
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199 }
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200
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201 explicit Array (octave_idx_type n, const T& val)
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202 : rep (new typename Array<T>::ArrayRep (n)), dimensions (n)
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203 {
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204 slice_data = rep->data;
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205 slice_len = rep->len;
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206 fill (val);
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207 }
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208
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209 // Type conversion case.
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210 template <class U>
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211 Array (const Array<U>& a)
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212 : rep (new typename Array<T>::ArrayRep (coerce (a.data (), a.length ()), a.length ())),
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213 dimensions (a.dims ())
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214 {
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215 slice_data = rep->data;
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216 slice_len = rep->len;
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217 }
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218
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219 // No type conversion case.
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220 Array (const Array<T>& a)
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221 : rep (a.rep), dimensions (a.dimensions)
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222 {
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223 rep->count++;
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224 slice_data = a.slice_data;
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225 slice_len = a.slice_len;
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226 }
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227
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228 public:
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229
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230 Array (const dim_vector& dv)
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231 : rep (new typename Array<T>::ArrayRep (dv.safe_numel ())),
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232 dimensions (dv)
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233 {
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234 slice_data = rep->data;
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235 slice_len = rep->len;
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236 dimensions.chop_trailing_singletons ();
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237 }
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238
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239 Array (const dim_vector& dv, const T& val)
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240 : rep (new typename Array<T>::ArrayRep (dv.safe_numel ())),
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241 dimensions (dv)
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242 {
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243 slice_data = rep->data;
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244 slice_len = rep->len;
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245 fill (val);
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246 dimensions.chop_trailing_singletons ();
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247 }
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248
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249 // Reshape constructor.
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250 Array (const Array<T>& a, const dim_vector& dv);
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251
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252 ~Array (void)
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253 {
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254 if (--rep->count <= 0)
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255 delete rep;
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256 }
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257
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258 Array<T>& operator = (const Array<T>& a)
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259 {
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260 if (this != &a)
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261 {
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262 if (--rep->count <= 0)
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263 delete rep;
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264
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265 rep = a.rep;
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266 rep->count++;
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267
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268 dimensions = a.dimensions;
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269 slice_data = a.slice_data;
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270 slice_len = a.slice_len;
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271 }
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272
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273 return *this;
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274 }
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275
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276 void fill (const T& val);
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277
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278 void clear (void);
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279 void clear (const dim_vector& dv);
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280 void clear (octave_idx_type n)
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281 { clear (dim_vector (n)); }
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282
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283 void clear (octave_idx_type r, octave_idx_type c)
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284 { clear (dim_vector (r, c)); }
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285
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286 octave_idx_type capacity (void) const { return slice_len; }
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287 octave_idx_type length (void) const { return capacity (); }
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288 octave_idx_type nelem (void) const { return capacity (); }
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289 octave_idx_type numel (void) const { return nelem (); }
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290
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291 octave_idx_type dim1 (void) const { return dimensions(0); }
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292 octave_idx_type dim2 (void) const { return dimensions(1); }
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293 octave_idx_type dim3 (void) const { return dimensions(2); }
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294
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295 octave_idx_type rows (void) const { return dim1 (); }
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296 octave_idx_type cols (void) const { return dim2 (); }
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297 octave_idx_type columns (void) const { return dim2 (); }
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298 octave_idx_type pages (void) const { return dim3 (); }
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299
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300 size_t byte_size (void) const { return numel () * sizeof (T); }
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301
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302 // Return a const-reference so that dims ()(i) works efficiently.
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303 const dim_vector& dims (void) const { return dimensions; }
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304
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305 Array<T> squeeze (void) const;
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306
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307 void chop_trailing_singletons (void) GCC_ATTR_DEPRECATED
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308 { dimensions.chop_trailing_singletons (); }
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309
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310 octave_idx_type compute_index (const Array<octave_idx_type>& ra_idx) const;
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311
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312 T& range_error (const char *fcn, octave_idx_type n) const;
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313 T& range_error (const char *fcn, octave_idx_type i, octave_idx_type j) const;
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314 T& range_error (const char *fcn, octave_idx_type i, octave_idx_type j, octave_idx_type k) const;
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315 T& range_error (const char *fcn, const Array<octave_idx_type>& ra_idx) const;
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316
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317 // No checking, even for multiple references, ever.
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318
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319 T& xelem (octave_idx_type n) { return slice_data [n]; }
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320 crefT xelem (octave_idx_type n) const { return slice_data [n]; }
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321
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322 T& xelem (octave_idx_type i, octave_idx_type j) { return xelem (dim1()*j+i); }
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323 crefT xelem (octave_idx_type i, octave_idx_type j) const { return xelem (dim1()*j+i); }
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324
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325 T& xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k)
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326 { return xelem (i, dim2()*k+j); }
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327 crefT xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
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328 { return xelem (i, dim2()*k+j); }
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329
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330 T& xelem (const Array<octave_idx_type>& ra_idx)
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331 { return xelem (compute_index (ra_idx)); }
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332
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333 crefT xelem (const Array<octave_idx_type>& ra_idx) const
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334 { return xelem (compute_index (ra_idx)); }
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335
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336 // FIXME -- would be nice to fix this so that we don't
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337 // unnecessarily force a copy, but that is not so easy, and I see no
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338 // clean way to do it.
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339
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340 T& checkelem (octave_idx_type n)
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341 {
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342 if (n < 0 || n >= slice_len)
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343 return range_error ("T& Array<T>::checkelem", n);
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344 else
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345 {
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346 make_unique ();
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347 return xelem (n);
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348 }
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349 }
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350
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351 T& checkelem (octave_idx_type i, octave_idx_type j)
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352 {
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353 if (i < 0 || j < 0 || i >= dim1 () || j >= dim2 ())
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354 return range_error ("T& Array<T>::checkelem", i, j);
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355 else
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356 return elem (dim1()*j+i);
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357 }
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358
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359 T& checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k)
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360 {
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361 if (i < 0 || j < 0 || k < 0 || i >= dim1 () || j >= dim2 () || k >= dim3 ())
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362 return range_error ("T& Array<T>::checkelem", i, j, k);
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363 else
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364 return elem (i, dim2()*k+j);
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365 }
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366
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367 T& checkelem (const Array<octave_idx_type>& ra_idx)
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368 {
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369 octave_idx_type i = compute_index (ra_idx);
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370
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371 if (i < 0)
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372 return range_error ("T& Array<T>::checkelem", ra_idx);
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373 else
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374 return elem (i);
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375 }
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376
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377 T& elem (octave_idx_type n)
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378 {
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379 make_unique ();
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380 return xelem (n);
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381 }
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382
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383 T& elem (octave_idx_type i, octave_idx_type j) { return elem (dim1()*j+i); }
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384
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385 T& elem (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return elem (i, dim2()*k+j); }
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386
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387 T& elem (const Array<octave_idx_type>& ra_idx)
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388 { return Array<T>::elem (compute_index (ra_idx)); }
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389
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390 #if defined (BOUNDS_CHECKING)
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391 T& operator () (octave_idx_type n) { return checkelem (n); }
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392 T& operator () (octave_idx_type i, octave_idx_type j) { return checkelem (i, j); }
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393 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return checkelem (i, j, k); }
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394 T& operator () (const Array<octave_idx_type>& ra_idx) { return checkelem (ra_idx); }
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395 #else
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396 T& operator () (octave_idx_type n) { return elem (n); }
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397 T& operator () (octave_idx_type i, octave_idx_type j) { return elem (i, j); }
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398 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) { return elem (i, j, k); }
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399 T& operator () (const Array<octave_idx_type>& ra_idx) { return elem (ra_idx); }
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400 #endif
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401
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402 crefT checkelem (octave_idx_type n) const
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403 {
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404 if (n < 0 || n >= slice_len)
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405 return range_error ("T Array<T>::checkelem", n);
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406 else
2108
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407 return xelem (n);
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408 }
1989
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409
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410 crefT checkelem (octave_idx_type i, octave_idx_type j) const
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411 {
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412 if (i < 0 || j < 0 || i >= dim1 () || j >= dim2 ())
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413 return range_error ("T Array<T>::checkelem", i, j);
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414 else
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415 return elem (dim1()*j+i);
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416 }
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417
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418 crefT checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
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419 {
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420 if (i < 0 || j < 0 || k < 0 || i >= dim1 () || j >= dim2 () || k >= dim3 ())
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421 return range_error ("T Array<T>::checkelem", i, j, k);
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422 else
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423 return Array<T>::elem (i, Array<T>::dim1()*k+j);
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424 }
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425
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426 crefT checkelem (const Array<octave_idx_type>& ra_idx) const
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427 {
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428 octave_idx_type i = compute_index (ra_idx);
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429
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430 if (i < 0)
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431 return range_error ("T Array<T>::checkelem", ra_idx);
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432 else
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433 return Array<T>::elem (i);
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434 }
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435
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436 crefT elem (octave_idx_type n) const { return xelem (n); }
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437
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438 crefT elem (octave_idx_type i, octave_idx_type j) const { return elem (dim1()*j+i); }
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439
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440 crefT elem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return elem (i, dim2()*k+j); }
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441
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parents: 9921
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442 crefT elem (const Array<octave_idx_type>& ra_idx) const
4513
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443 { return Array<T>::elem (compute_index (ra_idx)); }
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444
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445 #if defined (BOUNDS_CHECKING)
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446 crefT operator () (octave_idx_type n) const { return checkelem (n); }
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447 crefT operator () (octave_idx_type i, octave_idx_type j) const { return checkelem (i, j); }
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parents: 9921
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448 crefT operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return checkelem (i, j, k); }
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449 crefT operator () (const Array<octave_idx_type>& ra_idx) const { return checkelem (ra_idx); }
2006
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diff changeset
450 #else
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diff changeset
451 crefT operator () (octave_idx_type n) const { return elem (n); }
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452 crefT operator () (octave_idx_type i, octave_idx_type j) const { return elem (i, j); }
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parents: 9921
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453 crefT operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k) const { return elem (i, j, k); }
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454 crefT operator () (const Array<octave_idx_type>& ra_idx) const { return elem (ra_idx); }
2006
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455 #endif
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456
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diff changeset
457 // Fast extractors. All of these produce shallow copies.
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458 // Warning: none of these do check bounds, unless BOUNDS_CHECKING is on!
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459
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diff changeset
460 // Extract column: A(:,k+1).
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461 Array<T> column (octave_idx_type k) const;
7b9cbaad68d6 extend Array<T>
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462 // Extract page: A(:,:,k+1).
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463 Array<T> page (octave_idx_type k) const;
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464
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465 // Give this array as a column vector: A(:).
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466 Array<T> linearize (void) const;
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467
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468 // Extract a slice from this array as a column vector: A(:)(lo+1:up).
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parents: 9725
diff changeset
469 // Must be 0 <= lo && up <= numel. May be up < lo.
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470 Array<T> linear_slice (octave_idx_type lo, octave_idx_type up) const;
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471
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472 Array<T> reshape (const dim_vector& new_dims) const
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473 { return Array<T> (*this, new_dims); }
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474
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475 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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476 Array<T> ipermute (const Array<octave_idx_type>& vec) const
4593
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477 { return permute (vec, true); }
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
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diff changeset
478
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479 bool is_square (void) const { return (dim1 () == dim2 ()); }
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diff changeset
480
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481 bool is_empty (void) const { return numel () == 0; }
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482
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483 bool is_vector (void) const { return dimensions.is_vector (); }
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484
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485 Array<T> transpose (void) const;
7789
82be108cc558 First attempt at single precision tyeps
David Bateman <dbateman@free.fr>
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486 Array<T> hermitian (T (*fcn) (const T&) = 0) const;
238
780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe]
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diff changeset
487
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488 const T *data (void) const { return slice_data; }
228
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489
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diff changeset
490 const T *fortran_vec (void) const { return data (); }
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491
238
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492 T *fortran_vec (void);
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493
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494 bool is_shared (void) { return rep->count > 1; }
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parents: 9341
diff changeset
495
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496 int ndims (void) const { return dimensions.length (); }
1560
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diff changeset
497
4517
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498 void maybe_delete_dims (void);
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499
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500 // Indexing without resizing.
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diff changeset
501
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diff changeset
502 Array<T> index (const idx_vector& i) const;
1560
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503
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diff changeset
504 Array<T> index (const idx_vector& i, const idx_vector& j) const;
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diff changeset
505
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parents: 8179
diff changeset
506 Array<T> index (const Array<idx_vector>& ia) const;
1560
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507
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diff changeset
508 static T resize_fill_value ();
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509
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
510 // Resizing (with fill).
1560
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diff changeset
511
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parents: 8179
diff changeset
512 void resize_fill (octave_idx_type n, const T& rfv);
1560
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513
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parents: 8179
diff changeset
514 void resize_fill (octave_idx_type nr, octave_idx_type nc, const T& rfv);
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parents: 8179
diff changeset
515
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parents: 8179
diff changeset
516 void resize_fill (const dim_vector& dv, const T& rfv);
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517
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diff changeset
518 // Resizing with default fill.
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parents: 8179
diff changeset
519 // Rationale:
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
520 // These use the default fill value rather than leaving memory uninitialized.
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
521 // Resizing without fill leaves the resulting array in a rather weird state,
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
522 // where part of the data is initialized an part isn't.
4513
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parents: 4461
diff changeset
523
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524 void resize (octave_idx_type n)
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parents: 8179
diff changeset
525 { resize_fill (n, resize_fill_value ()); }
4513
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parents: 4461
diff changeset
526
8333
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John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
527 // FIXME -- this method cannot be defined here because it would
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
528 // clash with
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
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diff changeset
529 //
8290
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530 // void resize (octave_idx_type, const T&)
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
531 //
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
532 // (these become indistinguishable when T = octave_idx_type).
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
533 // In the future, I think the resize (.., const T& rfv) overloads
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
534 // should go away in favor of using resize_fill.
4513
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diff changeset
535
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diff changeset
536 // void resize (octave_idx_type nr, octave_idx_type nc)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
537 // { resize_fill (nr, nc, resize_fill_value ()); }
4513
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jwe
parents: 4461
diff changeset
538
8290
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parents: 8179
diff changeset
539 void resize (dim_vector dv)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
540 { resize_fill (dv, resize_fill_value ()); }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
541
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
542 // FIXME -- these are here for backward compatibility. They should
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
543 // go away in favor of using resize_fill directly.
8290
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parents: 8179
diff changeset
544 void resize (octave_idx_type n, const T& rfv)
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
545 { resize_fill (n, static_cast<T> (rfv)); }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
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parents: 4461
diff changeset
546
8290
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parents: 8179
diff changeset
547 void resize (octave_idx_type nr, octave_idx_type nc, const T& rfv)
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
548 { resize_fill (nr, nc, rfv); }
2382
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parents: 2347
diff changeset
549
8290
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diff changeset
550 void resize (dim_vector dv, const T& rfv)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
551 { resize_fill (dv, rfv); }
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
552
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
553 // Indexing with possible resizing and fill
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
554 // FIXME -- this is really a corner case, that should better be
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
555 // handled directly in liboctinterp.
3933
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jwe
parents: 3928
diff changeset
556
8290
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parents: 8179
diff changeset
557 Array<T> index (const idx_vector& i, bool resize_ok,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
558 const T& rfv = resize_fill_value ()) const;
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
559
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
560 Array<T> index (const idx_vector& i, const idx_vector& j,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
561 bool resize_ok, const T& rfv = resize_fill_value ()) const;
4513
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jwe
parents: 4461
diff changeset
562
8290
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diff changeset
563 Array<T> index (const Array<idx_vector>& ia,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
564 bool resize_ok, const T& rfv = resize_fill_value ()) const;
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
565
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
566 // Indexed assignment (always with resize & fill).
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
567
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
568 void assign (const idx_vector& i, const Array<T>& rhs,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
569 const T& rfv = resize_fill_value ());
4513
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parents: 4461
diff changeset
570
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parents: 8179
diff changeset
571 void assign (const idx_vector& i, const idx_vector& j, const Array<T>& rhs,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
572 const T& rfv = resize_fill_value ());
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Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
573
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
574 void assign (const Array<idx_vector>& ia, const Array<T>& rhs,
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diff changeset
575 const T& rfv = resize_fill_value ());
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diff changeset
576
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
577 // Deleting elements.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
578
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
579 // A(I) = [] (with a single subscript)
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Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
580 void delete_elements (const idx_vector& i);
4530
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jwe
parents: 4518
diff changeset
581
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parents: 8179
diff changeset
582 // A(:,...,I,...,:) = [] (>= 2 subscripts, one of them is non-colon)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
583 void delete_elements (int dim, const idx_vector& i);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
584
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
585 // Dispatcher to the above two.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
586 void delete_elements (const Array<idx_vector>& ia);
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
587
10115
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10095
diff changeset
588 // Insert an array into another at a specified position.
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10095
diff changeset
589 // If size (a) is [d1 d2 ... dN] and idx is [i1 i2 ... iN],
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10095
diff changeset
590 // this method is equivalent to
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10095
diff changeset
591 // x(i1:i1+d1-1, i2:i2+d2-1, ... , iN:iN+dN-1) = a.
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10095
diff changeset
592 Array<T>& insert (const Array<T>& a, const Array<octave_idx_type>& idx);
3928
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe]
jwe
parents: 3836
diff changeset
593
10115
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10095
diff changeset
594 // This is just a special case for idx = [r c 0 ...]
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
595 Array<T>& insert (const Array<T>& a, octave_idx_type r, octave_idx_type c);
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3928
diff changeset
596
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
597 void maybe_economize (void)
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
598 {
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
599 if (rep->count == 1 && slice_len != rep->len)
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
600 {
ad3afaaa19c1 implement non-copying contiguous range indexing
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parents: 8503
diff changeset
601 ArrayRep *new_rep = new ArrayRep (slice_data, slice_len, true);
ad3afaaa19c1 implement non-copying contiguous range indexing
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parents: 8503
diff changeset
602 delete rep;
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
603 rep = new_rep;
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
604 slice_data = rep->data;
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
605 }
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
606 }
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
607
4517
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe]
jwe
parents: 4513
diff changeset
608 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
609
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
610 // Unsafe. This function exists to support the MEX interface.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
611 // You should not use it anywhere else.
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
612 void *mex_get_data (void) const { return const_cast<T *> (data ()); }
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7017
diff changeset
613
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
614 Array<T> sort (int dim = 0, sortmode mode = ASCENDING) const;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
615 Array<T> sort (Array<octave_idx_type> &sidx, int dim = 0,
7463
2467639bd8c0 eliminate UNDEFINED sort mode
John W. Eaton <jwe@octave.org>
parents: 7433
diff changeset
616 sortmode mode = ASCENDING) const;
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
617
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
618 // Ordering is auto-detected or can be specified.
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
619 sortmode is_sorted (sortmode mode = UNSORTED) const;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
620
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
621 // Sort by rows returns only indices.
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
622 Array<octave_idx_type> sort_rows_idx (sortmode mode = ASCENDING) const;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
623
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
624 // Ordering is auto-detected or can be specified.
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
625 sortmode is_sorted_rows (sortmode mode = UNSORTED) const;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
626
9921
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
627 // Do a binary lookup in a sorted array. Must not contain NaNs.
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8725
diff changeset
628 // Mode can be specified or is auto-detected by comparing 1st and last element.
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8725
diff changeset
629 octave_idx_type lookup (const T& value, sortmode mode = UNSORTED) const;
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8725
diff changeset
630
9921
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
631 // Ditto, but for an array of values, specializing on the case when values
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
632 // are sorted. NaNs get the value N.
7c8392a034e6 fix & improve lookup API
Jaroslav Hajek <highegg@gmail.com>
parents: 9878
diff changeset
633 Array<octave_idx_type> lookup (const Array<T>& values, sortmode mode = UNSORTED) const;
9341
9fd5c56ce57a extend lookup capabilities
Jaroslav Hajek <highegg@gmail.com>
parents: 9201
diff changeset
634
9878
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
635 // Count nonzero elements.
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
636 octave_idx_type nnz (void) const;
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
637
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 8998
diff changeset
638 // Find indices of (at most n) nonzero elements. If n is specified, backward
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 8998
diff changeset
639 // specifies search from backward.
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 8998
diff changeset
640 Array<octave_idx_type> find (octave_idx_type n = -1, bool backward = false) const;
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 8998
diff changeset
641
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
642 // Returns the n-th element in increasing order, using the same ordering as
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
643 // used for sort. n can either be a scalar index or a contiguous range.
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
644 Array<T> nth_element (const idx_vector& n, int dim = 0) const;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
645
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7503
diff changeset
646 Array<T> diag (octave_idx_type k = 0) const;
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7503
diff changeset
647
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
648 template <class U, class F>
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
649 Array<U>
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
650 map (F fcn) const
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
651 {
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
652 octave_idx_type len = length ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
653
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
654 const T *m = data ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
655
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
656 Array<U> result (dims ());
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
657 U *p = result.fortran_vec ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
658
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
659 octave_idx_type i;
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
660 for (i = 0; i < len - 3; i += 4)
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
661 {
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 10115
diff changeset
662 octave_quit ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
663
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
664 p[i] = fcn (m[i]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
665 p[i+1] = fcn (m[i+1]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
666 p[i+2] = fcn (m[i+2]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
667 p[i+3] = fcn (m[i+3]);
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
668 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
669
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 10115
diff changeset
670 octave_quit ();
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
671
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
672 for (; i < len; i++)
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
673 p[i] = fcn (m[i]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
674
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
675 return result;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
676 }
8998
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8950
diff changeset
677
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
678 // Overloads for function references.
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
679 template <class U>
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
680 Array<U>
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
681 map (U (&fcn) (T)) const
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
682 { return map<U, U (&) (T)> (fcn); }
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
683
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
684 template <class U>
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
685 Array<U>
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
686 map (U (&fcn) (const T&)) const
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
687 { return map<U, U (&) (const T&)> (fcn); }
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
688
9046
88bf56bbccca make Array::find already return Matlab-compatible dimensions
Jaroslav Hajek <highegg@gmail.com>
parents: 9026
diff changeset
689 template <class U> friend class Array;
9201
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
690
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
691 private:
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
692 static void instantiation_guard ();
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
693 };
4459
75ee1995d2b4 [project @ 2003-07-11 17:46:41 by jwe]
jwe
parents: 4192
diff changeset
694
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
695 // This is a simple wrapper template that will subclass an Array<T> type or any
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
696 // later type derived from it and override the default non-const operator() to
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
697 // not check for the array's uniqueness. It is, however, the user's
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
698 // responsibility to ensure the array is actually unaliased whenever elements
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
699 // are accessed.
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
700
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
701 template<class ArrayClass>
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
702 class NoAlias : public ArrayClass
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
703 {
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
704 typedef typename ArrayClass::element_type T;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
705 public:
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
706 NoAlias () : ArrayClass () { }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
707
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
708 // FIXME: this would be simpler once C++0x is available
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
709 template <class X>
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
710 explicit NoAlias (X x) : ArrayClass (x) { }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
711
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
712 template <class X, class Y>
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
713 explicit NoAlias (X x, Y y) : ArrayClass (x, y) { }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
714
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
715 template <class X, class Y, class Z>
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
716 explicit NoAlias (X x, Y y, Z z) : ArrayClass (x, y, z) { }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
717
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
718 T& operator () (octave_idx_type n)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
719 { return ArrayClass::xelem (n); }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
720 T& operator () (octave_idx_type i, octave_idx_type j)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
721 { return ArrayClass::xelem (i, j); }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
722 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
723 { return ArrayClass::xelem (i, j, k); }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
724 T& operator () (const Array<octave_idx_type>& ra_idx)
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
725 { return ArrayClass::xelem (ra_idx); }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
726 };
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
727
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
728 template <class T>
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
729 std::ostream&
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
730 operator << (std::ostream& os, const Array<T>& a);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
731
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
732 #endif
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
733
228
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
734 /*
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
735 ;;; Local Variables: ***
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
736 ;;; mode: C++ ***
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
737 ;;; End: ***
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
738 */