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annotate liboctave/array/idx-vector.h @ 23592:80e3bfb7bd5a

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maint: Deprecate is_vector and replace with isvector. * Array.h (is_vector): Use OCTAVE_DEPRECATED macro around function. * Array.h (isvector): New function. * dim-vector.h (is_vector): Use OCTAVE_DEPRECATED macro around function. * dim-vector.h (isvector): New function. * idx-vector.h (is_vector): Use OCTAVE_DEPRECATED macro around function. * idx-vector.h (isvector): New function. * cellfun.cc, data.cc, dot.cc, filter.cc, utils.cc, ov-class.cc, ov-java.cc, Array-util.cc, Array-util.h, Array.cc, Range.cc, Sparse.cc, idx-vector.cc, oct-string.cc: Replace instances of is_vector with isvector.
author Rik <rik@octave.org>
date Tue, 13 Jun 2017 20:51:14 -0700
parents b6498c088fca
children be7b884ac589
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1 /*
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2
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3 Copyright (C) 1993-2017 John W. Eaton
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4 Copyright (C) 2008-2009 Jaroslav Hajek
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5 Copyright (C) 2009 VZLU Prague
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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
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11 the Free Software Foundation; either version 3 of the License, or
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12 (at your 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
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15 WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 GNU General Public License 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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23 */
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24
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25 #if ! defined (octave_idx_vector_h)
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26 #define octave_idx_vector_h 1
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27
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28 #include "octave-config.h"
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29
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30 #include <cassert>
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31 #include <cstring>
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32
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33 #include <algorithm>
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34 #include <iosfwd>
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35 #include <memory>
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36
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37 #include "dim-vector.h"
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38 #include "oct-inttypes-fwd.h"
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39 #include "oct-refcount.h"
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40
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41 template <typename T> class Array;
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42 template <typename T> class Sparse;
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43 class Range;
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44
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45 // Design rationale:
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46 // idx_vector is a reference-counting, polymorphic pointer, that can contain
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47 // 4 types of index objects: a magic colon, a range, a scalar, or an index vector.
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48 // Polymorphic methods for single element access are provided, as well as
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49 // templates implementing "early dispatch", i.e., hoisting the checks for index
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50 // type out of loops.
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51
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52 class
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53 OCTAVE_API
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54 idx_vector
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55 {
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56 public:
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57
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58 enum idx_class_type
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59 {
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60 class_invalid = -1,
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61 class_colon = 0,
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62 class_range,
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63 class_scalar,
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64 class_vector,
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65 class_mask
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66 };
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67
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68 template <typename T, typename D> friend class std::unique_ptr;
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70 private:
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71
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72 class OCTAVE_API idx_base_rep
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73 {
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74 public:
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76 idx_base_rep (void) : count (1), err (false) { }
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78 // No copying!
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79
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80 idx_base_rep (const idx_base_rep&) = delete;
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81
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82 idx_base_rep& operator = (const idx_base_rep&) = delete;
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83
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84 virtual ~idx_base_rep (void) = default;
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85
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86 // Non-range-checking element query.
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87 virtual octave_idx_type xelem (octave_idx_type i) const = 0;
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88
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89 // Range-checking element query.
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90 virtual octave_idx_type checkelem (octave_idx_type i) const = 0;
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91
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92 // Length of the index vector.
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93 virtual octave_idx_type length (octave_idx_type n) const = 0;
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94
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95 // The maximum index + 1. The actual dimension is passed in.
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96 virtual octave_idx_type extent (octave_idx_type n) const = 0;
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97
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98 // Index class.
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99 virtual idx_class_type idx_class (void) const { return class_invalid; }
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100
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101 // Sorts, maybe uniqifies, and returns a clone object pointer.
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102 virtual idx_base_rep * sort_uniq_clone (bool uniq = false) = 0;
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103 // Sorts, and returns a sorting permutation (aka Array::sort).
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104 virtual idx_base_rep * sort_idx (Array<octave_idx_type>&) = 0;
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105
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106 // Checks whether the index is colon or a range equivalent to colon.
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107 virtual bool is_colon_equiv (octave_idx_type) const { return false; }
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108
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109 // The original dimensions of object (used when subscribing by matrices).
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110 virtual dim_vector orig_dimensions (void) const { return dim_vector (); }
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111
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112 // i/o
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113 virtual std::ostream& print (std::ostream& os) const = 0;
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114
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115 virtual Array<octave_idx_type> as_array (void);
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116
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117 octave::refcount<int> count;
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118
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119 bool err;
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120 };
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121
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122 // The magic colon index.
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123 class OCTAVE_API idx_colon_rep : public idx_base_rep
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124 {
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125 public:
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127 idx_colon_rep (void) = default;
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128
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129 idx_colon_rep (char c);
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130
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131 // No copying!
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132
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133 idx_colon_rep (const idx_colon_rep& idx) = delete;
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134
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135 idx_colon_rep& operator = (const idx_colon_rep& idx) = delete;
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136
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137 octave_idx_type xelem (octave_idx_type i) const { return i; }
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138
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139 octave_idx_type checkelem (octave_idx_type i) const;
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140
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141 octave_idx_type length (octave_idx_type n) const { return n; }
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143 octave_idx_type extent (octave_idx_type n) const { return n; }
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144
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145 idx_class_type idx_class (void) const { return class_colon; }
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146
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147 idx_base_rep * sort_uniq_clone (bool = false)
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148 { count++; return this; }
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149
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150 OCTAVE_NORETURN idx_base_rep * sort_idx (Array<octave_idx_type>&);
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151
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152 bool is_colon_equiv (octave_idx_type) const { return true; }
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153
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154 std::ostream& print (std::ostream& os) const;
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155 };
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156
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157 // To distinguish the "direct" constructors that blindly trust the data.
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158 enum direct { DIRECT };
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159
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160 // The integer range index.
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161 class OCTAVE_API idx_range_rep : public idx_base_rep
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162 {
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163 public:
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164
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165 idx_range_rep (void) = delete;
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166
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167 idx_range_rep (octave_idx_type _start, octave_idx_type _len,
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168 octave_idx_type _step, direct)
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169 : idx_base_rep (), start(_start), len(_len), step(_step) { }
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170
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171 // Zero-based constructor.
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172 idx_range_rep (octave_idx_type _start, octave_idx_type _limit,
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173 octave_idx_type _step);
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174
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175 idx_range_rep (const Range&);
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176
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177 // No copying!
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178
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179 idx_range_rep (const idx_range_rep& idx) = delete;
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180
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181 idx_range_rep& operator = (const idx_range_rep& idx) = delete;
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182
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183 octave_idx_type xelem (octave_idx_type i) const
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184 { return start + i * step; }
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185
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186 octave_idx_type checkelem (octave_idx_type i) const;
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187
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188 octave_idx_type length (octave_idx_type) const { return len; }
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189
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190 octave_idx_type extent (octave_idx_type n) const
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191 {
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192 return len ? std::max (n, start + 1 + (step < 0 ? 0 : step * (len - 1)))
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193 : n;
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194 }
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195
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196 idx_class_type idx_class (void) const { return class_range; }
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197
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198 idx_base_rep * sort_uniq_clone (bool uniq = false);
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199
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200 idx_base_rep * sort_idx (Array<octave_idx_type>&);
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201
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202 bool is_colon_equiv (octave_idx_type n) const
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203 { return start == 0 && step == 1 && len == n; }
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204
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205 dim_vector orig_dimensions (void) const
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206 { return dim_vector (1, len); }
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207
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208 octave_idx_type get_start (void) const { return start; }
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209
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210 octave_idx_type get_step (void) const { return step; }
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211
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212 std::ostream& print (std::ostream& os) const;
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213
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214 Range unconvert (void) const;
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215
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216 Array<octave_idx_type> as_array (void);
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217
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218 private:
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219
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220 octave_idx_type start, len, step;
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221 };
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222
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223 // The integer scalar index.
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224 class OCTAVE_API idx_scalar_rep : public idx_base_rep
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225 {
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226 public:
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227
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228 idx_scalar_rep (void) = delete;
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229
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230 idx_scalar_rep (octave_idx_type i, direct)
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231 : idx_base_rep (), data (i) { }
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232
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233 // No copying!
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234
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235 idx_scalar_rep (const idx_scalar_rep& idx) = delete;
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236
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237 idx_scalar_rep& operator = (const idx_scalar_rep& idx) = delete;
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238
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239 // Zero-based constructor.
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240 idx_scalar_rep (octave_idx_type i);
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241
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242 template <typename T>
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243 idx_scalar_rep (T x);
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244
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245 octave_idx_type xelem (octave_idx_type) const { return data; }
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246
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247 octave_idx_type checkelem (octave_idx_type i) const;
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248
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249 octave_idx_type length (octave_idx_type) const { return 1; }
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250
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251 octave_idx_type extent (octave_idx_type n) const
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252 { return std::max (n, data + 1); }
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253
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254 idx_class_type idx_class (void) const { return class_scalar; }
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255
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256 idx_base_rep * sort_uniq_clone (bool = false)
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257 { count++; return this; }
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258
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259 idx_base_rep * sort_idx (Array<octave_idx_type>&);
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260
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261 bool is_colon_equiv (octave_idx_type n) const
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262 { return n == 1 && data == 0; }
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263
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264 dim_vector orig_dimensions (void) const { return dim_vector (1, 1); }
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265
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266 octave_idx_type get_data (void) const { return data; }
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267
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268 std::ostream& print (std::ostream& os) const;
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269
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270 double unconvert (void) const;
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271
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272 Array<octave_idx_type> as_array (void);
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273
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274 private:
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275
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276 octave_idx_type data;
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277 };
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278
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279 // The integer vector index.
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280 class OCTAVE_API idx_vector_rep : public idx_base_rep
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281 {
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282 public:
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283
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284 idx_vector_rep (void)
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285 : data (0), len (0), ext (0), aowner (0), orig_dims ()
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286 { }
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287
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288 // Direct constructor.
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289 idx_vector_rep (octave_idx_type *_data, octave_idx_type _len,
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290 octave_idx_type _ext, const dim_vector& od, direct)
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291 : idx_base_rep (), data (_data), len (_len), ext (_ext),
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292 aowner (0), orig_dims (od)
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293 { }
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294
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295 // Zero-based constructor.
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296 idx_vector_rep (const Array<octave_idx_type>& inda);
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297
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298 idx_vector_rep (const Array<octave_idx_type>& inda,
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299 octave_idx_type _ext, direct);
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300
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301 template <typename T>
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302 idx_vector_rep (const Array<T>&);
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303
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304 idx_vector_rep (bool);
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305
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306 idx_vector_rep (const Array<bool>&, octave_idx_type = -1);
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307
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308 idx_vector_rep (const Sparse<bool>&);
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309
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310 // No copying!
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311
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312 idx_vector_rep (const idx_vector_rep& idx) = delete;
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313
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314 idx_vector_rep& operator = (const idx_vector_rep& idx) = delete;
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315
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316 ~idx_vector_rep (void);
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317
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318 octave_idx_type xelem (octave_idx_type i) const { return data[i]; }
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319
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320 octave_idx_type checkelem (octave_idx_type i) const;
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321
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322 octave_idx_type length (octave_idx_type) const { return len; }
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323
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324 octave_idx_type extent (octave_idx_type n) const
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325 { return std::max (n, ext); }
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326
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327 idx_class_type idx_class (void) const { return class_vector; }
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328
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329 idx_base_rep * sort_uniq_clone (bool uniq = false);
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330
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331 idx_base_rep * sort_idx (Array<octave_idx_type>&);
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332
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333 dim_vector orig_dimensions (void) const { return orig_dims; }
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334
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335 const octave_idx_type * get_data (void) const { return data; }
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336
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337 std::ostream& print (std::ostream& os) const;
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338
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339 Array<double> unconvert (void) const;
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340
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341 Array<octave_idx_type> as_array (void);
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342
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343 private:
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344
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345 const octave_idx_type *data;
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346 octave_idx_type len;
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347 octave_idx_type ext;
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348
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349 // This is a trick to allow user-given zero-based arrays to be used
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350 // as indices without copying. If the following pointer is nonzero,
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351 // we do not own the data, but rather have an Array<octave_idx_type>
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352 // object that provides us the data. Note that we need a pointer
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353 // because we deferred the Array<T> declaration and we do not want
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354 // it yet to be defined.
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355
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356 Array<octave_idx_type> *aowner;
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357
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358 dim_vector orig_dims;
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359 };
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360
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361 // The logical mask index.
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362 class OCTAVE_API idx_mask_rep : public idx_base_rep
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363 {
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364 public:
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365
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366 idx_mask_rep (void) = delete;
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367
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368 // Direct constructor.
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369 idx_mask_rep (bool *_data, octave_idx_type _len,
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370 octave_idx_type _ext, const dim_vector& od, direct)
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371 : idx_base_rep (), data (_data), len (_len), ext (_ext),
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372 lsti (-1), lste (-1), aowner (0), orig_dims (od)
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373 { }
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374
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375 idx_mask_rep (bool);
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376
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377 idx_mask_rep (const Array<bool>&, octave_idx_type = -1);
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378
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379 // No copying!
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380
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381 idx_mask_rep (const idx_mask_rep& idx) = delete;
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382
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383 idx_mask_rep& operator = (const idx_mask_rep& idx) = delete;
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384
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385 ~idx_mask_rep (void);
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386
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387 octave_idx_type xelem (octave_idx_type i) const;
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388
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389 octave_idx_type checkelem (octave_idx_type i) const;
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390
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391 octave_idx_type length (octave_idx_type) const { return len; }
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392
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393 octave_idx_type extent (octave_idx_type n) const
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394 { return std::max (n, ext); }
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395
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396 idx_class_type idx_class (void) const { return class_mask; }
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397
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398 idx_base_rep * sort_uniq_clone (bool = false)
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399 { count++; return this; }
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400
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401 idx_base_rep * sort_idx (Array<octave_idx_type>&);
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402
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403 dim_vector orig_dimensions (void) const { return orig_dims; }
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404
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405 bool is_colon_equiv (octave_idx_type n) const
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406 { return len == n && ext == n; }
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407
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408 const bool * get_data (void) const { return data; }
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409
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410 std::ostream& print (std::ostream& os) const;
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411
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412 Array<bool> unconvert (void) const;
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413
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414 Array<octave_idx_type> as_array (void);
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415
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416 private:
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417
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418 const bool *data;
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419 octave_idx_type len;
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420 octave_idx_type ext;
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421
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422 // FIXME: I'm not sure if this is a good design. Maybe it would be
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423 // better to employ some sort of generalized iteration scheme.
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424 mutable octave_idx_type lsti;
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425 mutable octave_idx_type lste;
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426
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427 // This is a trick to allow user-given mask arrays to be used as
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428 // indices without copying. If the following pointer is nonzero, we
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429 // do not own the data, but rather have an Array<bool> object that
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430 // provides us the data. Note that we need a pointer because we
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431 // deferred the Array<T> declaration and we do not want it yet to be
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432 // defined.
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433
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434 Array<bool> *aowner;
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parents: 9780
diff changeset
435
034677ab6865 smarter treatment of mask indexing
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parents: 9780
diff changeset
436 dim_vector orig_dims;
034677ab6865 smarter treatment of mask indexing
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parents: 9780
diff changeset
437 };
8290
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parents: 7573
diff changeset
438
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
439 idx_vector (idx_base_rep *r) : rep (r) { }
1560
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jwe
parents: 1553
diff changeset
440
10487
942386d6d1a5 style fixes
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parents: 10486
diff changeset
441 // The shared empty vector representation (for fast default
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
442 // constructor).
21573
f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372)
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parents: 19697
diff changeset
443 static idx_vector_rep *nil_rep (void);
4938
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jwe
parents: 4653
diff changeset
444
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parents: 7573
diff changeset
445 // The shared empty vector representation with the error flag set.
21573
f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372)
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
446 static idx_vector_rep *err_rep (void);
4938
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jwe
parents: 4653
diff changeset
447
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
448 // If there was an error in constructing the rep, replace it with
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
449 // empty vector for safety.
8290
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parents: 7573
diff changeset
450 void chkerr (void)
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
451 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
452 if (rep->err)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
453 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
454 if (--rep->count == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
455 delete rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
456 rep = err_rep ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
457 rep->count++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
458 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
459 }
1560
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jwe
parents: 1553
diff changeset
460
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
461 public:
1551
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jwe
parents: 1315
diff changeset
462
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parents: 7573
diff changeset
463 // Fast empty constructor.
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parents: 7573
diff changeset
464 idx_vector (void) : rep (nil_rep ()) { rep->count++; }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
465
8290
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parents: 7573
diff changeset
466 // Zero-based constructors (for use from C++).
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parents: 11523
diff changeset
467 idx_vector (octave_idx_type i) : rep (new idx_scalar_rep (i))
17769
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parents: 17744
diff changeset
468 { chkerr (); }
8290
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parents: 7573
diff changeset
469
23015
198fbbf6934a new idx_vector (F77_INT) constructor
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parents: 23012
diff changeset
470 #if OCTAVE_SIZEOF_F77_INT_TYPE != OCTAVE_SIZEOF_IDX_TYPE
198fbbf6934a new idx_vector (F77_INT) constructor
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parents: 23012
diff changeset
471 idx_vector (octave_f77_int_type i)
198fbbf6934a new idx_vector (F77_INT) constructor
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parents: 23012
diff changeset
472 : rep (new idx_scalar_rep (static_cast<octave_idx_type> (i)))
198fbbf6934a new idx_vector (F77_INT) constructor
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parents: 23012
diff changeset
473 { chkerr (); }
198fbbf6934a new idx_vector (F77_INT) constructor
John W. Eaton <jwe@octave.org>
parents: 23012
diff changeset
474 #endif
198fbbf6934a new idx_vector (F77_INT) constructor
John W. Eaton <jwe@octave.org>
parents: 23012
diff changeset
475
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parents: 7573
diff changeset
476 idx_vector (octave_idx_type start, octave_idx_type limit,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
477 octave_idx_type step = 1)
11586
12df7854fa7c strip trailing whitespace from source files
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parents: 11523
diff changeset
478 : rep (new idx_range_rep (start, limit, step))
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
479 { chkerr (); }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
480
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John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
481 static idx_vector
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
482 make_range (octave_idx_type start, octave_idx_type step,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
483 octave_idx_type len)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
484 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
485 return idx_vector (new idx_range_rep (start, len, step, DIRECT));
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
486 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
487
11586
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John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
488 idx_vector (const Array<octave_idx_type>& inda)
8290
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parents: 7573
diff changeset
489 : rep (new idx_vector_rep (inda))
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
490 { chkerr (); }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
491
10285
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Jaroslav Hajek <highegg@gmail.com>
parents: 10273
diff changeset
492 // Directly pass extent, no checking.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
493 idx_vector (const Array<octave_idx_type>& inda, octave_idx_type ext)
10285
22a7913bbeb5 optimize return values of find and sort
Jaroslav Hajek <highegg@gmail.com>
parents: 10273
diff changeset
494 : rep (new idx_vector_rep (inda, ext, DIRECT))
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
495 { }
10285
22a7913bbeb5 optimize return values of find and sort
Jaroslav Hajek <highegg@gmail.com>
parents: 10273
diff changeset
496
8290
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parents: 7573
diff changeset
497 // Colon is best constructed by simply copying (or referencing) this member.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
498 static const idx_vector colon;
4938
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jwe
parents: 4653
diff changeset
499
8290
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parents: 7573
diff changeset
500 // or passing ':' here
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
501 idx_vector (char c) : rep (new idx_colon_rep (c)) { chkerr (); }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
502
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
503 // Conversion constructors (used by interpreter).
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
504
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
505 template <typename T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
506 idx_vector (octave_int<T> x) : rep (new idx_scalar_rep (x)) { chkerr (); }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
507
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
508 idx_vector (double x) : rep (new idx_scalar_rep (x)) { chkerr (); }
2386
4fc9fd1424a9 [project @ 1996-10-12 18:31:34 by jwe]
jwe
parents: 2356
diff changeset
509
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
510 idx_vector (float x) : rep (new idx_scalar_rep (x)) { chkerr (); }
3928
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe]
jwe
parents: 3504
diff changeset
511
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
512 // A scalar bool does not necessarily map to scalar index.
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
513 idx_vector (bool x) : rep (new idx_mask_rep (x)) { chkerr (); }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
514
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
515 template <typename T>
23534
b6498c088fca maint: Don't write '> >' for declaration of templates that use templates.
Rik <rik@octave.org>
parents: 23496
diff changeset
516 idx_vector (const Array<octave_int<T>>& nda) : rep (new idx_vector_rep (nda))
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
517 { chkerr (); }
8290
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
518
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
519 idx_vector (const Array<double>& nda) : rep (new idx_vector_rep (nda))
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
520 { chkerr (); }
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2802
diff changeset
521
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
522 idx_vector (const Array<float>& nda) : rep (new idx_vector_rep (nda))
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
523 { chkerr (); }
4938
703d97b89507 [project @ 2004-08-09 20:21:59 by jwe]
jwe
parents: 4653
diff changeset
524
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
525 idx_vector (const Array<bool>& nda);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
526
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
527 idx_vector (const Range& r)
10489
d47802f0e557 Back out changeset 4e64fbbd5c58
Jaroslav Hajek <highegg@gmail.com>
parents: 10487
diff changeset
528 : rep (new idx_range_rep (r))
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
529 { chkerr (); }
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2802
diff changeset
530
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
531 idx_vector (const Sparse<bool>& nda) : rep (new idx_vector_rep (nda))
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
532 { chkerr (); }
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
533
4979
ce4e3d39d05b [project @ 2004-09-08 23:25:05 by jwe]
jwe
parents: 4938
diff changeset
534 idx_vector (const idx_vector& a) : rep (a.rep) { rep->count++; }
1551
8f63ee44726c [project @ 1995-10-08 23:19:55 by jwe]
jwe
parents: 1315
diff changeset
535
2802
bca5fbab2e52 [project @ 1997-03-09 11:02:27 by jwe]
jwe
parents: 2800
diff changeset
536 ~idx_vector (void)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
537 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
538 if (--rep->count == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
539 delete rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
540 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
541
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
542 idx_vector& operator = (const idx_vector& a)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
543 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
544 if (this != &a)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
545 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
546 if (--rep->count == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
547 delete rep;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
548
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
549 rep = a.rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
550 rep->count++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
551 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
552 return *this;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
553 }
1551
8f63ee44726c [project @ 1995-10-08 23:19:55 by jwe]
jwe
parents: 1315
diff changeset
554
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
555 idx_class_type idx_class (void) const { return rep->idx_class (); }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
556
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
557 octave_idx_type length (octave_idx_type n = 0) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
558 { return rep->length (n); }
191
b6b4d8c513fe [project @ 1993-10-29 23:41:39 by jwe]
jwe
parents: 164
diff changeset
559
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
560 octave_idx_type extent (octave_idx_type n) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
561 { return rep->extent (n); }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
562
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
563 octave_idx_type xelem (octave_idx_type n) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
564 { return rep->xelem (n); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
565
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
566 octave_idx_type checkelem (octave_idx_type n) const
23487
af2f1f3dbe06 eliminate --enable-bounds-check configure option
John W. Eaton <jwe@octave.org>
parents: 23450
diff changeset
567 { return rep->xelem (n); }
1551
8f63ee44726c [project @ 1995-10-08 23:19:55 by jwe]
jwe
parents: 1315
diff changeset
568
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
569 octave_idx_type operator () (octave_idx_type n) const
23487
af2f1f3dbe06 eliminate --enable-bounds-check configure option
John W. Eaton <jwe@octave.org>
parents: 23450
diff changeset
570 { return rep->xelem (n); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
571
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
572 operator bool (void) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
573 { return ! rep->err; }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
574
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
575 bool is_colon (void) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
576 { return rep->idx_class () == class_colon; }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
577
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
578 bool is_scalar (void) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
579 { return rep->idx_class () == class_scalar; }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
580
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
581 bool is_range (void) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
582 { return rep->idx_class () == class_range; }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
583
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
584 bool is_colon_equiv (octave_idx_type n) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
585 { return rep->is_colon_equiv (n); }
3079
eb827eb9b8ff [project @ 1997-08-03 20:44:07 by jwe]
jwe
parents: 2847
diff changeset
586
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
587 idx_vector sorted (bool uniq = false) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
588 { return idx_vector (rep->sort_uniq_clone (uniq)); }
208
380cb9ccc889 [project @ 1993-11-12 10:35:05 by jwe]
jwe
parents: 191
diff changeset
589
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
590 idx_vector sorted (Array<octave_idx_type>& sidx) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
591 { return idx_vector (rep->sort_idx (sidx)); }
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
592
4653
14ab7b05a572 [project @ 2003-11-24 05:02:46 by jwe]
jwe
parents: 4650
diff changeset
593 dim_vector orig_dimensions (void) const { return rep->orig_dimensions (); }
4504
f6a61399bc5c [project @ 2003-09-09 17:48:00 by jwe]
jwe
parents: 4461
diff changeset
594
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
595 octave_idx_type orig_rows (void) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
596 { return orig_dimensions () (0); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
597
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
598 octave_idx_type orig_columns (void) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
599 { return orig_dimensions () (1); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
600
2663
00b2eff19bf5 [project @ 1997-02-08 21:58:49 by jwe]
jwe
parents: 2386
diff changeset
601 int orig_empty (void) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
602 { return (! is_colon () && orig_dimensions ().any_zero ()); }
2663
00b2eff19bf5 [project @ 1997-02-08 21:58:49 by jwe]
jwe
parents: 2386
diff changeset
603
4653
14ab7b05a572 [project @ 2003-11-24 05:02:46 by jwe]
jwe
parents: 4650
diff changeset
604 // i/o
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
605
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
606 std::ostream& print (std::ostream& os) const { return rep->print (os); }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
607
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
608 friend std::ostream& operator << (std::ostream& os, const idx_vector& a)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
609 { return a.print (os); }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
610
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
611 // Slice with specializations. No checking of bounds!
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
612 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
613 // This is equivalent to the following loop (but much faster):
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
614 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
615 // for (octave_idx_type i = 0; i < idx->length (n); i++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
616 // dest[i] = src[idx(i)];
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
617 // return i;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
618 //
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
619 template <typename T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
620 octave_idx_type
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
621 index (const T *src, octave_idx_type n, T *dest) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
622 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
623 octave_idx_type len = rep->length (n);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
624
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
625 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
626 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
627 case class_colon:
23420
1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array.
Rik <rik@octave.org>
parents: 23401
diff changeset
628 std::copy_n (src, len, dest);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
629 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
630
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
631 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
632 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
633 idx_range_rep *r = dynamic_cast<idx_range_rep *> (rep);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
634 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
635 octave_idx_type step = r->get_step ();
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
636 const T *ssrc = src + start;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
637 if (step == 1)
23420
1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array.
Rik <rik@octave.org>
parents: 23401
diff changeset
638 std::copy_n (ssrc, len, dest);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
639 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
640 std::reverse_copy (ssrc - len + 1, ssrc + 1, dest);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
641 else if (step == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
642 std::fill_n (dest, len, *ssrc);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
643 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
644 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
645 for (octave_idx_type i = 0, j = 0; i < len; i++, j += step)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
646 dest[i] = ssrc[j];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
647 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
648 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
649 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
650
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
651 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
652 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
653 idx_scalar_rep *r = dynamic_cast<idx_scalar_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
654 dest[0] = src[r->get_data ()];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
655 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
656 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
657
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
658 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
659 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
660 idx_vector_rep *r = dynamic_cast<idx_vector_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
661 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
662 for (octave_idx_type i = 0; i < len; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
663 dest[i] = src[data[i]];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
664 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
665 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
666
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
667 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
668 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
669 idx_mask_rep *r = dynamic_cast<idx_mask_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
670 const bool *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
671 octave_idx_type ext = r->extent (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
672 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
673 if (data[i]) *dest++ = src[i];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
674 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
675 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
676
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
677 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
678 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
679 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
680 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
681
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
682 return len;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
683 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
684
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
685 // Slice assignment with specializations. No checking of bounds!
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
686 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
687 // This is equivalent to the following loop (but much faster):
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
688 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
689 // for (octave_idx_type i = 0; i < idx->length (n); i++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
690 // dest[idx(i)] = src[i];
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
691 // return i;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
692 //
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
693 template <typename T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
694 octave_idx_type
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
695 assign (const T *src, octave_idx_type n, T *dest) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
696 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
697 octave_idx_type len = rep->length (n);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
698
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
699 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
700 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
701 case class_colon:
23420
1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array.
Rik <rik@octave.org>
parents: 23401
diff changeset
702 std::copy_n (src, len, dest);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
703 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
704
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
705 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
706 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
707 idx_range_rep *r = dynamic_cast<idx_range_rep *> (rep);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
708 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
709 octave_idx_type step = r->get_step ();
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
710 T *sdest = dest + start;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
711 if (step == 1)
23420
1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array.
Rik <rik@octave.org>
parents: 23401
diff changeset
712 std::copy_n (src, len, sdest);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
713 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
714 std::reverse_copy (src, src + len, sdest - len + 1);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
715 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
716 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
717 for (octave_idx_type i = 0, j = 0; i < len; i++, j += step)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
718 sdest[j] = src[i];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
719 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
720 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
721 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
722
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
723 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
724 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
725 idx_scalar_rep *r = dynamic_cast<idx_scalar_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
726 dest[r->get_data ()] = src[0];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
727 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
728 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
729
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
730 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
731 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
732 idx_vector_rep *r = dynamic_cast<idx_vector_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
733 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
734 for (octave_idx_type i = 0; i < len; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
735 dest[data[i]] = src[i];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
736 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
737 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
738
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
739 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
740 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
741 idx_mask_rep *r = dynamic_cast<idx_mask_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
742 const bool *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
743 octave_idx_type ext = r->extent (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
744 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
745 if (data[i]) dest[i] = *src++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
746 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
747 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
748
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
749 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
750 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
751 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
752 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
753
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
754 return len;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
755 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
756
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
757 // Slice fill with specializations. No checking of bounds!
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
758 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
759 // This is equivalent to the following loop (but much faster):
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
760 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
761 // for (octave_idx_type i = 0; i < idx->length (n); i++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
762 // dest[idx(i)] = val;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
763 // return i;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
764 //
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
765 template <typename T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
766 octave_idx_type
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
767 fill (const T& val, octave_idx_type n, T *dest) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
768 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
769 octave_idx_type len = rep->length (n);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
770
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
771 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
772 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
773 case class_colon:
23420
1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array.
Rik <rik@octave.org>
parents: 23401
diff changeset
774 std::fill_n (dest, len, val);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
775 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
776
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
777 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
778 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
779 idx_range_rep *r = dynamic_cast<idx_range_rep *> (rep);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
780 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
781 octave_idx_type step = r->get_step ();
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
782 T *sdest = dest + start;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
783 if (step == 1)
23420
1fee389bd04b Use std::copy_n rather than std::copy for clarity in liboctave/array.
Rik <rik@octave.org>
parents: 23401
diff changeset
784 std::fill_n (sdest, len, val);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
785 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
786 std::fill (sdest - len + 1, sdest + 1, val);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
787 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
788 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
789 for (octave_idx_type i = 0, j = 0; i < len; i++, j += step)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
790 sdest[j] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
791 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
792 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
793 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
794
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
795 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
796 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
797 idx_scalar_rep *r = dynamic_cast<idx_scalar_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
798 dest[r->get_data ()] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
799 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
800 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
801
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
802 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
803 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
804 idx_vector_rep *r = dynamic_cast<idx_vector_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
805 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
806 for (octave_idx_type i = 0; i < len; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
807 dest[data[i]] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
808 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
809 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
810
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
811 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
812 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
813 idx_mask_rep *r = dynamic_cast<idx_mask_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
814 const bool *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
815 octave_idx_type ext = r->extent (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
816 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
817 if (data[i]) dest[i] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
818 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
819 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
820
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
821 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
822 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
823 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
824 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
825
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
826 return len;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
827 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
828
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
829 // Generic non-breakable indexed loop. The loop body should be
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
830 // encapsulated in a single functor body. This is equivalent to the
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
831 // following loop (but faster, at least for simple inlined bodies):
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
832 //
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
833 // for (octave_idx_type i = 0; i < idx->length (n); i++) body (idx(i));
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
834
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
835 template <typename Functor>
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
836 void
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
837 loop (octave_idx_type n, Functor body) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
838 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
839 octave_idx_type len = rep->length (n);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
840
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
841 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
842 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
843 case class_colon:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
844 for (octave_idx_type i = 0; i < len; i++) body (i);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
845 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
846
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
847 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
848 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
849 idx_range_rep *r = dynamic_cast<idx_range_rep *> (rep);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
850 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
851 octave_idx_type step = r->get_step ();
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
852 octave_idx_type i, j;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
853 if (step == 1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
854 for (i = start, j = start + len; i < j; i++) body (i);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
855 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
856 for (i = start, j = start - len; i > j; i--) body (i);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
857 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
858 for (i = 0, j = start; i < len; i++, j += step) body (j);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
859 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
860 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
861
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
862 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
863 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
864 idx_scalar_rep *r = dynamic_cast<idx_scalar_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
865 body (r->get_data ());
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
866 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
867 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
868
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
869 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
870 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
871 idx_vector_rep *r = dynamic_cast<idx_vector_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
872 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
873 for (octave_idx_type i = 0; i < len; i++) body (data[i]);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
874 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
875 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
876
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
877 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
878 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
879 idx_mask_rep *r = dynamic_cast<idx_mask_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
880 const bool *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
881 octave_idx_type ext = r->extent (0);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
882 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
883 if (data[i]) body (i);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
884 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
885 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
886
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
887 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
888 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
889 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
890 }
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
891
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
892 }
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
893
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
894 // Generic breakable indexed loop. The loop body should be
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
895 // encapsulated in a single functor body. This is equivalent to the
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
896 // following loop (but faster, at least for simple inlined bodies):
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
897 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
898 // for (octave_idx_type i = 0; i < idx->length (n); i++)
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
899 // if (body (idx(i))) break;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
900 // return i;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
901 //
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
902
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
903 template <typename Functor>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
904 octave_idx_type
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
905 bloop (octave_idx_type n, Functor body) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
906 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
907 octave_idx_type len = rep->length (n), ret;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
908
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
909 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
910 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
911 case class_colon:
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
912 {
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
913 octave_idx_type i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
914 for (i = 0; i < len && body (i); i++) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
915 ret = i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
916 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
917 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
918
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
919 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
920 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
921 idx_range_rep *r = dynamic_cast<idx_range_rep *> (rep);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
922 octave_idx_type start = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
923 octave_idx_type step = r->get_step ();
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
924 octave_idx_type i, j;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
925 if (step == 1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
926 for (i = start, j = start + len; i < j && body (i); i++) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
927 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
928 for (i = start, j = start - len; i > j && body (i); i--) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
929 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
930 for (i = 0, j = start; i < len && body (j); i++, j += step) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
931 ret = i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
932 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
933 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
934
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
935 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
936 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
937 idx_scalar_rep *r = dynamic_cast<idx_scalar_rep *> (rep);
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23446
diff changeset
938 ret = (body (r->get_data ()) ? 1 : 0);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
939 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
940 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
941
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
942 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
943 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
944 idx_vector_rep *r = dynamic_cast<idx_vector_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
945 const octave_idx_type *data = r->get_data ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
946 octave_idx_type i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
947 for (i = 0; i < len && body (data[i]); i++) ;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
948 ret = i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
949 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
950 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
951
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
952 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
953 {
23432
e35a5c1233d0 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23420
diff changeset
954 idx_mask_rep *r = dynamic_cast<idx_mask_rep *> (rep);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
955 const bool *data = r->get_data ();
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
956 octave_idx_type ext = r->extent (0);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 17769
diff changeset
957 octave_idx_type j = 0;
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
958 for (octave_idx_type i = 0; i < ext; i++)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
959 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
960 if (data[i])
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
961 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
962 if (body (i))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
963 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
964 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
965 j++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
966 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
967 }
9985
43a29eeda994 fix idx_vector::loop for masks
Jaroslav Hajek <highegg@gmail.com>
parents: 9894
diff changeset
968
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
969 ret = j;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
970 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
971 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
972
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
973 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
974 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
975 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
976 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
977
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
978 return ret;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
979 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
980
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
981 // Rationale:
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
982 // This method is the key to "smart indexing". When indexing cartesian
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
983 // arrays, sometimes consecutive index vectors can be reduced into a
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
984 // single index. If rows (A) = k and i.maybe_reduce (j) gives k, then
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
985 // A(i,j)(:) is equal to A(k)(:).
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
986
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
987 // If the next index can be reduced, returns true and updates this.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
988 bool maybe_reduce (octave_idx_type n, const idx_vector& j,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
989 octave_idx_type nj);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
990
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
991 bool is_cont_range (octave_idx_type n,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
992 octave_idx_type& l, octave_idx_type& u) const;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
993
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
994 // Returns the increment for ranges and colon, 0 for scalars and empty
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
995 // vectors, 1st difference otherwise.
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
996 octave_idx_type increment (void) const;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
997
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
998 idx_vector
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
999 complement (octave_idx_type n) const;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1000
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1001 bool is_permutation (octave_idx_type n) const;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1002
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
1003 // Returns the inverse permutation. If this is not a permutation on 1:n, the
10512
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1004 // result is undefined (but no error unless extent () != n).
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1005 idx_vector inverse_permutation (octave_idx_type n) const;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1006
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
1007 // Copies all the indices to a given array. Not allowed for colons.
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
1008 void copy_data (octave_idx_type *data) const;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
1009
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1010 // If the index is a mask, convert it to index vector.
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1011 idx_vector unmask (void) const;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1012
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1013 // Unconverts the index to a scalar, Range, double array or a mask.
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
1014 void unconvert (idx_class_type& iclass,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1015 double& scalar, Range& range,
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1016 Array<double>& array, Array<bool>& mask) const;
10339
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10312
diff changeset
1017
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10312
diff changeset
1018 Array<octave_idx_type> as_array (void) const;
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1019
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1020 // Raw pointer to index array. This is non-const because it may be
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1021 // necessary to mutate the index.
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23432
diff changeset
1022 const octave_idx_type * raw (void);
10516
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1023
23592
80e3bfb7bd5a maint: Deprecate is_vector and replace with isvector.
Rik <rik@octave.org>
parents: 23534
diff changeset
1024 bool isvector (void) const;
80e3bfb7bd5a maint: Deprecate is_vector and replace with isvector.
Rik <rik@octave.org>
parents: 23534
diff changeset
1025
80e3bfb7bd5a maint: Deprecate is_vector and replace with isvector.
Rik <rik@octave.org>
parents: 23534
diff changeset
1026 OCTAVE_DEPRECATED ("use 'isvector' instead")
80e3bfb7bd5a maint: Deprecate is_vector and replace with isvector.
Rik <rik@octave.org>
parents: 23534
diff changeset
1027 bool is_vector (void) const
80e3bfb7bd5a maint: Deprecate is_vector and replace with isvector.
Rik <rik@octave.org>
parents: 23534
diff changeset
1028 { return isvector (); }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1029
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1030 // FIXME: these are here for compatibility. They should be removed
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1031 // when no longer in use.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1032
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1033 octave_idx_type elem (octave_idx_type n) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1034 { return (*this) (n); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1035
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1036 bool is_colon_equiv (octave_idx_type n, int) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1037 { return is_colon_equiv (n); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1038
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1039 octave_idx_type
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1040 freeze (octave_idx_type z_len, const char *tag, bool resize_ok = false);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1041
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1042 void sort (bool uniq = false)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1043 { *this = sorted (uniq); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1044
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1045 octave_idx_type ones_count (void) const;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1046
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1047 octave_idx_type max (void) const { return extent (1) - 1; }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1048
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1049 private:
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1050
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Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1051 idx_base_rep *rep;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1052
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1053 };
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1054
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1055 #endif