annotate liboctave/array/idx-vector.h @ 22022:278fc29b69ca

maint: Eliminate unnecessary double newline blocks (only whitespace changes). * Figure.cc, annotation-dialog.cc, dialog.cc, dialog.h, files-dock-widget.cc, find-files-dialog.cc, find-files-model.cc, file-editor-tab.cc, file-editor.cc, find-dialog.cc, octave-qscintilla.cc, octave-txt-lexer.cc, main-window.cc, main-window.h, octave-cmd.cc, octave-cmd.h, octave-dock-widget.cc, octave-qt-link.cc, parser.h, webinfo.cc, settings-dialog.cc, shortcut-manager.cc, shortcut-manager.h, welcome-wizard.cc, workspace-model.cc, __ilu__.cc, __lin_interpn__.cc, besselj.cc, bsxfun.cc, cellfun.cc, conv2.cc, data.cc, debug.cc, debug.h, dynamic-ld.cc, fft2.cc, file-io.cc, ft-text-renderer.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, help.cc, jit-typeinfo.cc, jit-typeinfo.h, kron.cc, ls-ascii-helper.cc, ls-hdf5.cc, ls-hdf5.h, ls-mat5.cc, max.cc, oct-map.cc, oct-map.h, oct-stream.cc, octave-link.h, pr-output.cc, pt-jit.cc, qz.cc, sparse-xdiv.cc, sparse-xpow.cc, strfind.cc, strfns.cc, symtab.h, toplev.cc, toplev.h, typecast.cc, utils.cc, variables.cc, xdiv.h, xpow.cc, xpow.h, zfstream.cc, __eigs__.cc, __init_fltk__.cc, audioread.cc, ccolamd.cc, chol.cc, qr.cc, ov-base-diag.cc, ov-base-int.cc, ov-base-sparse.cc, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-bool-mat.h, ov-bool-sparse.cc, ov-bool-sparse.h, ov-bool.cc, ov-bool.h, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-class.cc, ov-class.h, ov-classdef.cc, ov-complex.cc, ov-complex.h, ov-cs-list.cc, ov-cs-list.h, ov-cx-diag.cc, ov-cx-diag.h, ov-cx-mat.cc, ov-cx-mat.h, ov-cx-sparse.cc, ov-cx-sparse.h, ov-dld-fcn.cc, ov-dld-fcn.h, ov-fcn-handle.h, ov-fcn-inline.h, ov-float.cc, ov-float.h, ov-flt-complex.cc, ov-flt-complex.h, ov-flt-cx-diag.cc, ov-flt-cx-diag.h, ov-flt-cx-mat.cc, ov-flt-cx-mat.h, ov-flt-re-diag.cc, ov-flt-re-diag.h, ov-flt-re-mat.cc, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-intx.h, ov-lazy-idx.cc, ov-lazy-idx.h, ov-mex-fcn.h, ov-null-mat.h, ov-perm.cc, ov-perm.h, ov-range.cc, ov-range.h, ov-re-diag.cc, ov-re-diag.h, ov-re-mat.cc, ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.h, ov-struct.cc, ov-struct.h, ov-type-conv.h, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov-usr-fcn.h, ov.h, op-cm-m.cc, op-fcm-fm.cc, op-fm-fm.cc, op-int.h, op-m-m.cc, op-pm-template.cc, pt-binop.h, pt-select.cc, pt-stmt.cc, pt-unop.h, Array-util.cc, Array.cc, Array.h, CColVector.cc, CMatrix.cc, CMatrix.h, CSparse.cc, MArray.cc, MSparse.cc, MatrixType.cc, PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse.cc, dMatrix.cc, dim-vector.h, fCColVector.cc, fCMatrix.cc, fMatrix.cc, fMatrix.h, idx-vector.cc, idx-vector.h, blaswrap.c, f77-fcn.h, DASPK.cc, eigs-base.cc, hess.cc, lo-specfun.cc, oct-fftw.cc, oct-norm.cc, oct-rand.cc, oct-rand.h, qr.cc, qrp.cc, randmtzig.cc, randpoisson.cc, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, Sparse-op-defs.h, mx-inlines.cc, oct-env.h, cmd-edit.cc, f2c-main.c, lo-array-errwarn.cc, lo-array-errwarn.h, lo-array-gripes.cc, lo-array-gripes.h, lo-ieee.h, lo-regexp.cc, oct-binmap.h, oct-inttypes.cc, oct-inttypes.h, oct-sort.cc, oct-sort.h, mkoctfile.in.cc: maint: Eliminate unnecessary double newline blocks (only whitespace changes).
author Rik <rik@octave.org>
date Fri, 01 Jul 2016 19:48:35 -0700
parents c9f8a7f7915e
children bac0d6f07a3e
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1 /*
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2
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3 Copyright (C) 1993-2015 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
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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9 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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12 option) any later version.
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14 Octave is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <http://www.gnu.org/licenses/>.
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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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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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75 idx_base_rep (void) : count (1), err (false) { }
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76
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77 virtual ~idx_base_rep (void) { }
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78
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79 // Non-range-checking element query.
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80 virtual octave_idx_type xelem (octave_idx_type i) const = 0;
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81
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82 // Range-checking element query.
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83 virtual octave_idx_type checkelem (octave_idx_type i) const = 0;
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84
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85 // Length of the index vector.
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86 virtual octave_idx_type length (octave_idx_type n) const = 0;
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87
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88 // The maximum index + 1. The actual dimension is passed in.
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89 virtual octave_idx_type extent (octave_idx_type n) const = 0;
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90
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91 // Index class.
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92 virtual idx_class_type idx_class (void) const { return class_invalid; }
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93
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94 // Sorts, maybe uniqifies, and returns a clone object pointer.
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95 virtual idx_base_rep *sort_uniq_clone (bool uniq = false) = 0;
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96 // Sorts, and returns a sorting permutation (aka Array::sort).
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97 virtual idx_base_rep *sort_idx (Array<octave_idx_type>&) = 0;
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98
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99 // Checks whether the index is colon or a range equivalent to colon.
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100 virtual bool is_colon_equiv (octave_idx_type) const { return false; }
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101
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102 // The original dimensions of object (used when subscribing by matrices).
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103 virtual dim_vector orig_dimensions (void) const { return dim_vector (); }
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104
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105 // i/o
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106 virtual std::ostream& print (std::ostream& os) const = 0;
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107
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108 virtual Array<octave_idx_type> as_array (void);
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109
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110 octave_refcount<int> count;
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111
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112 bool err;
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113
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114 private:
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115
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116 // No copying!
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117 idx_base_rep (const idx_base_rep&);
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118 idx_base_rep& operator = (const idx_base_rep&);
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119 };
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120
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121 // The magic colon index.
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122 class OCTAVE_API idx_colon_rep : public idx_base_rep
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123 {
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124 public:
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125 idx_colon_rep (void) { }
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126
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127 idx_colon_rep (char c);
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128
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129 octave_idx_type xelem (octave_idx_type i) const { return i; }
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130
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131 octave_idx_type checkelem (octave_idx_type i) const;
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132
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133 octave_idx_type length (octave_idx_type n) const { return n; }
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134
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135 octave_idx_type extent (octave_idx_type n) const { return n; }
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136
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137 idx_class_type idx_class (void) const { return class_colon; }
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138
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139 idx_base_rep *sort_uniq_clone (bool = false)
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140 { count++; return this; }
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141
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142 OCTAVE_NORETURN idx_base_rep *sort_idx (Array<octave_idx_type>&);
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143
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144 bool is_colon_equiv (octave_idx_type) const { return true; }
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145
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146 std::ostream& print (std::ostream& os) const;
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147
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148 private:
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149
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150 // No copying!
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151 idx_colon_rep (const idx_colon_rep& idx);
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152 idx_colon_rep& operator = (const idx_colon_rep& idx);
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153 };
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154
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155 // To distinguish the "direct" constructors that blindly trust the data.
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156 enum direct { DIRECT };
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157
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158 // The integer range index.
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159 class OCTAVE_API idx_range_rep : public idx_base_rep
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160 {
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161 public:
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162 idx_range_rep (octave_idx_type _start, octave_idx_type _len,
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163 octave_idx_type _step, direct)
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164 : idx_base_rep (), start(_start), len(_len), step(_step) { }
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165
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166 idx_range_rep (void)
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167 : start(0), len(0), step(1) { }
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168
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169 // Zero-based constructor.
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170 idx_range_rep (octave_idx_type _start, octave_idx_type _limit,
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171 octave_idx_type _step);
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172
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173 idx_range_rep (const Range&);
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174
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175 octave_idx_type xelem (octave_idx_type i) const
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176 { return start + i * step; }
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177
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178 octave_idx_type checkelem (octave_idx_type i) const;
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179
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180 octave_idx_type length (octave_idx_type) const { return len; }
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181
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182 octave_idx_type extent (octave_idx_type n) const
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183 { return len ? std::max (n, (start + 1 + (step < 0 ? 0 : step * (len - 1))))
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184 : n; }
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185
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186 idx_class_type idx_class (void) const { return class_range; }
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187
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188 idx_base_rep *sort_uniq_clone (bool uniq = false);
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189
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190 idx_base_rep *sort_idx (Array<octave_idx_type>&);
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191
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192 bool is_colon_equiv (octave_idx_type n) const
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193 { return start == 0 && step == 1 && len == n; }
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194
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195 dim_vector orig_dimensions (void) const
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196 { return dim_vector (1, len); }
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197
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198 octave_idx_type get_start (void) const { return start; }
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199
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200 octave_idx_type get_step (void) const { return step; }
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201
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202 std::ostream& print (std::ostream& os) const;
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203
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204 Range unconvert (void) const;
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205
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206 Array<octave_idx_type> as_array (void);
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207
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208 private:
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209
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210 // No copying!
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211 idx_range_rep (const idx_range_rep& idx);
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212 idx_range_rep& operator = (const idx_range_rep& idx);
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213
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214 octave_idx_type start, len, step;
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215
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216 };
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217
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218 // The integer scalar index.
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219 class OCTAVE_API idx_scalar_rep : public idx_base_rep
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220 {
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221 public:
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222 idx_scalar_rep (octave_idx_type i, direct)
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223 : data (i) { }
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224
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225 idx_scalar_rep (void)
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226 : data (0) { }
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227
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228 // Zero-based constructor.
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229 idx_scalar_rep (octave_idx_type i);
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230
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231 template <typename T>
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232 idx_scalar_rep (T x);
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233
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234 octave_idx_type xelem (octave_idx_type) const { return data; }
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235
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236 octave_idx_type checkelem (octave_idx_type i) const;
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237
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238 octave_idx_type length (octave_idx_type) const { return 1; }
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239
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240 octave_idx_type extent (octave_idx_type n) const
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241 { return std::max (n, data + 1); }
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242
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243 idx_class_type idx_class (void) const { return class_scalar; }
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244
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245 idx_base_rep *sort_uniq_clone (bool = false)
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246 { count++; return this; }
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247
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248 idx_base_rep *sort_idx (Array<octave_idx_type>&);
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249
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250 bool is_colon_equiv (octave_idx_type n) const
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251 { return n == 1 && data == 0; }
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252
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253 dim_vector orig_dimensions (void) const { return dim_vector (1, 1); }
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254
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255 octave_idx_type get_data (void) const { return data; }
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256
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257 std::ostream& print (std::ostream& os) const;
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258
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259 double unconvert (void) const;
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260
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261 Array<octave_idx_type> as_array (void);
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262
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263 private:
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264
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265 // No copying!
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266 idx_scalar_rep (const idx_scalar_rep& idx);
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267 idx_scalar_rep& operator = (const idx_scalar_rep& idx);
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268
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269 octave_idx_type data;
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270
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271 };
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272
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273 // The integer vector index.
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274 class OCTAVE_API idx_vector_rep : public idx_base_rep
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275 {
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276 public:
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277 // Direct constructor.
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278 idx_vector_rep (octave_idx_type *_data, octave_idx_type _len,
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279 octave_idx_type _ext, const dim_vector& od, direct)
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280 : data (_data), len (_len), ext (_ext), aowner (0), orig_dims (od) { }
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281
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282 idx_vector_rep (void)
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283 : data (0), len (0), ext (0), aowner (0), orig_dims ()
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284 { }
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285
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286 // Zero-based constructor.
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287 idx_vector_rep (const Array<octave_idx_type>& inda);
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288
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289 idx_vector_rep (const Array<octave_idx_type>& inda,
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290 octave_idx_type _ext, direct);
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291
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292 template <typename T>
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293 idx_vector_rep (const Array<T>&);
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294
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295 idx_vector_rep (bool);
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296
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297 idx_vector_rep (const Array<bool>&, octave_idx_type = -1);
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298
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299 idx_vector_rep (const Sparse<bool>&);
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300
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301 ~idx_vector_rep (void);
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302
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303 octave_idx_type xelem (octave_idx_type i) const { return data[i]; }
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304
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305 octave_idx_type checkelem (octave_idx_type i) const;
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306
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307 octave_idx_type length (octave_idx_type) const { return len; }
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308
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309 octave_idx_type extent (octave_idx_type n) const
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310 { return std::max (n, ext); }
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311
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312 idx_class_type idx_class (void) const { return class_vector; }
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313
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314 idx_base_rep *sort_uniq_clone (bool uniq = false);
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315
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316 idx_base_rep *sort_idx (Array<octave_idx_type>&);
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317
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318 dim_vector orig_dimensions (void) const { return orig_dims; }
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319
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320 const octave_idx_type *get_data (void) const { return data; }
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321
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322 std::ostream& print (std::ostream& os) const;
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323
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324 Array<double> unconvert (void) const;
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325
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326 Array<octave_idx_type> as_array (void);
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327
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328 private:
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329
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330 // No copying!
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331 idx_vector_rep (const idx_vector_rep& idx);
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332 idx_vector_rep& operator = (const idx_vector_rep& idx);
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333
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334 const octave_idx_type *data;
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335 octave_idx_type len;
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336 octave_idx_type ext;
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337
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338 // This is a trick to allow user-given zero-based arrays to be used
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339 // as indices without copying. If the following pointer is nonzero,
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340 // we do not own the data, but rather have an Array<octave_idx_type>
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341 // object that provides us the data. Note that we need a pointer
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342 // because we deferred the Array<T> declaration and we do not want
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343 // it yet to be defined.
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344
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345 Array<octave_idx_type> *aowner;
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346
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347 dim_vector orig_dims;
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348 };
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349
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350 // The logical mask index.
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351 class OCTAVE_API idx_mask_rep : public idx_base_rep
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352 {
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353 public:
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354 // Direct constructor.
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355 idx_mask_rep (bool *_data, octave_idx_type _len,
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356 octave_idx_type _ext, const dim_vector& od, direct)
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357 : data (_data), len (_len), ext (_ext), lsti (-1), lste (-1),
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358 aowner (0), orig_dims (od) { }
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359
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360 idx_mask_rep (void)
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361 : data (0), len (0), ext (0), lsti (-1), lste (-1), aowner (0),
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362 orig_dims ()
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363 { }
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364
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365 idx_mask_rep (bool);
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366
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367 idx_mask_rep (const Array<bool>&, octave_idx_type = -1);
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368
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369 ~idx_mask_rep (void);
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370
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371 octave_idx_type xelem (octave_idx_type i) const;
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372
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373 octave_idx_type checkelem (octave_idx_type i) const;
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374
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375 octave_idx_type length (octave_idx_type) const { return len; }
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376
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377 octave_idx_type extent (octave_idx_type n) const
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378 { return std::max (n, ext); }
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379
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380 idx_class_type idx_class (void) const { return class_mask; }
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381
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382 idx_base_rep *sort_uniq_clone (bool = false)
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383 { count++; return this; }
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384
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385 idx_base_rep *sort_idx (Array<octave_idx_type>&);
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386
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387 dim_vector orig_dimensions (void) const { return orig_dims; }
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388
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389 bool is_colon_equiv (octave_idx_type n) const
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390 { return len == n && ext == n; }
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391
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392 const bool *get_data (void) const { return data; }
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393
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394 std::ostream& print (std::ostream& os) const;
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395
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396 Array<bool> unconvert (void) const;
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397
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398 Array<octave_idx_type> as_array (void);
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399
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400 private:
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401
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402 // No copying!
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403 idx_mask_rep (const idx_mask_rep& idx);
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404 idx_mask_rep& operator = (const idx_mask_rep& idx);
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405
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406 const bool *data;
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407 octave_idx_type len;
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408 octave_idx_type ext;
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409
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410 // FIXME: I'm not sure if this is a good design. Maybe it would be
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411 // better to employ some sort of generalized iteration scheme.
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b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes
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parents: 10516
diff changeset
412 mutable octave_idx_type lsti;
b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes
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parents: 10516
diff changeset
413 mutable octave_idx_type lste;
9879
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diff changeset
414
10487
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John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
415 // This is a trick to allow user-given mask arrays to be used as
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
416 // indices without copying. If the following pointer is nonzero, we
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
417 // do not own the data, but rather have an Array<bool> object that
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
418 // provides us the data. Note that we need a pointer because we
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
419 // deferred the Array<T> declaration and we do not want it yet to be
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
420 // defined.
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parents: 11523
diff changeset
421
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parents: 9780
diff changeset
422 Array<bool> *aowner;
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parents: 9780
diff changeset
423
034677ab6865 smarter treatment of mask indexing
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parents: 9780
diff changeset
424 dim_vector orig_dims;
034677ab6865 smarter treatment of mask indexing
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parents: 9780
diff changeset
425 };
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parents: 7573
diff changeset
426
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
427 idx_vector (idx_base_rep *r) : rep (r) { }
1560
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jwe
parents: 1553
diff changeset
428
10487
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parents: 10486
diff changeset
429 // The shared empty vector representation (for fast default
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
430 // constructor).
21573
f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372)
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parents: 19697
diff changeset
431 static idx_vector_rep *nil_rep (void);
4938
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jwe
parents: 4653
diff changeset
432
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parents: 7573
diff changeset
433 // The shared empty vector representation with the error flag set.
21573
f3f8e1d3e399 avoid mulitple definitions of static function-scope vars (bug #47372)
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parents: 19697
diff changeset
434 static idx_vector_rep *err_rep (void);
4938
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jwe
parents: 4653
diff changeset
435
10487
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John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
436 // 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
437 // empty vector for safety.
8290
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parents: 7573
diff changeset
438 void chkerr (void)
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
439 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
440 if (rep->err)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
441 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
442 if (--rep->count == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
443 delete rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
444 rep = err_rep ();
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
445 rep->count++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
446 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
447 }
1560
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jwe
parents: 1553
diff changeset
448
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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parents:
diff changeset
449 public:
1551
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parents: 1315
diff changeset
450
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parents: 7573
diff changeset
451 // Fast empty constructor.
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parents: 7573
diff changeset
452 idx_vector (void) : rep (nil_rep ()) { rep->count++; }
1560
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jwe
parents: 1553
diff changeset
453
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parents: 7573
diff changeset
454 // Zero-based constructors (for use from C++).
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parents: 11523
diff changeset
455 idx_vector (octave_idx_type i) : rep (new idx_scalar_rep (i))
17769
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parents: 17744
diff changeset
456 { chkerr (); }
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parents: 7573
diff changeset
457
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
458 idx_vector (octave_idx_type start, octave_idx_type limit,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
459 octave_idx_type step = 1)
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parents: 11523
diff changeset
460 : rep (new idx_range_rep (start, limit, step))
17769
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parents: 17744
diff changeset
461 { chkerr (); }
1560
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jwe
parents: 1553
diff changeset
462
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
463 static idx_vector
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
464 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
465 octave_idx_type len)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
466 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
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parents: 17744
diff changeset
467 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
468 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
469
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parents: 11523
diff changeset
470 idx_vector (const Array<octave_idx_type>& inda)
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parents: 7573
diff changeset
471 : rep (new idx_vector_rep (inda))
17769
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parents: 17744
diff changeset
472 { chkerr (); }
1560
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jwe
parents: 1553
diff changeset
473
10285
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parents: 10273
diff changeset
474 // Directly pass extent, no checking.
11586
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parents: 11523
diff changeset
475 idx_vector (const Array<octave_idx_type>& inda, octave_idx_type ext)
10285
22a7913bbeb5 optimize return values of find and sort
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parents: 10273
diff changeset
476 : rep (new idx_vector_rep (inda, ext, DIRECT))
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
477 { }
10285
22a7913bbeb5 optimize return values of find and sort
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parents: 10273
diff changeset
478
8290
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parents: 7573
diff changeset
479 // Colon is best constructed by simply copying (or referencing) this member.
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
480 static const idx_vector colon;
4938
703d97b89507 [project @ 2004-08-09 20:21:59 by jwe]
jwe
parents: 4653
diff changeset
481
8290
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parents: 7573
diff changeset
482 // or passing ':' here
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
483 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
484
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
485 // Conversion constructors (used by interpreter).
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
486
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
487 template <typename T>
8290
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parents: 7573
diff changeset
488 idx_vector (octave_int<T> x) : rep (new idx_scalar_rep (x)) { chkerr (); }
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
489
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
490 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
491
8290
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
492 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
493
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
494 // 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
495 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
496
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
497 template <typename T>
8290
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parents: 7573
diff changeset
498 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
499 { chkerr (); }
8290
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
500
7cbe01c21986 improve dense array indexing
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parents: 7573
diff changeset
501 idx_vector (const Array<double>& nda) : rep (new idx_vector_rep (nda))
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
502 { chkerr (); }
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2802
diff changeset
503
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
504 idx_vector (const Array<float>& nda) : rep (new idx_vector_rep (nda))
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
505 { chkerr (); }
4938
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jwe
parents: 4653
diff changeset
506
9879
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parents: 9780
diff changeset
507 idx_vector (const Array<bool>& nda);
8290
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parents: 7573
diff changeset
508
11586
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parents: 11523
diff changeset
509 idx_vector (const Range& r)
10489
d47802f0e557 Back out changeset 4e64fbbd5c58
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parents: 10487
diff changeset
510 : rep (new idx_range_rep (r))
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
511 { chkerr (); }
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2802
diff changeset
512
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
513 idx_vector (const Sparse<bool>& nda) : rep (new idx_vector_rep (nda))
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
514 { chkerr (); }
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8367
diff changeset
515
4979
ce4e3d39d05b [project @ 2004-09-08 23:25:05 by jwe]
jwe
parents: 4938
diff changeset
516 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
517
2802
bca5fbab2e52 [project @ 1997-03-09 11:02:27 by jwe]
jwe
parents: 2800
diff changeset
518 ~idx_vector (void)
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
519 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
520 if (--rep->count == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
521 delete rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
522 }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
523
1560
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parents: 1553
diff changeset
524 idx_vector& operator = (const idx_vector& a)
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
525 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
526 if (this != &a)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
527 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
528 if (--rep->count == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
529 delete rep;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
530
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
531 rep = a.rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
532 rep->count++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
533 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
534 return *this;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
535 }
1551
8f63ee44726c [project @ 1995-10-08 23:19:55 by jwe]
jwe
parents: 1315
diff changeset
536
8290
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Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
537 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
538
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
539 octave_idx_type length (octave_idx_type n = 0) const
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
540 { return rep->length (n); }
191
b6b4d8c513fe [project @ 1993-10-29 23:41:39 by jwe]
jwe
parents: 164
diff changeset
541
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
542 octave_idx_type extent (octave_idx_type n) const
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
543 { return rep->extent (n); }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
544
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
545 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
546 { return rep->xelem (n); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
547
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
548 octave_idx_type checkelem (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
549 { return rep->checkelem (n); }
1551
8f63ee44726c [project @ 1995-10-08 23:19:55 by jwe]
jwe
parents: 1315
diff changeset
550
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
551 octave_idx_type operator () (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
552 {
21229
a83e7a384ee0 create and install a subset of config.h in octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21139
diff changeset
553 #if defined (OCTAVE_ENABLE_BOUNDS_CHECK)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
554 return rep->checkelem (n);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
555 #else
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
556 return rep->xelem (n);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
557 #endif
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
558 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
559
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
560 operator bool (void) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
561 { return ! rep->err; }
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 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
564 { return rep->idx_class () == class_colon; }
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 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
567 { return rep->idx_class () == class_scalar; }
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
568
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
569 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
570 { return rep->idx_class () == class_range; }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
571
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
572 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
573 { return rep->is_colon_equiv (n); }
3079
eb827eb9b8ff [project @ 1997-08-03 20:44:07 by jwe]
jwe
parents: 2847
diff changeset
574
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
575 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
576 { return idx_vector (rep->sort_uniq_clone (uniq)); }
208
380cb9ccc889 [project @ 1993-11-12 10:35:05 by jwe]
jwe
parents: 191
diff changeset
577
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10158
diff changeset
578 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
579 { 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
580
4653
14ab7b05a572 [project @ 2003-11-24 05:02:46 by jwe]
jwe
parents: 4650
diff changeset
581 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
582
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
583 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
584 { return orig_dimensions () (0); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
585
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
586 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
587 { return orig_dimensions () (1); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
588
2663
00b2eff19bf5 [project @ 1997-02-08 21:58:49 by jwe]
jwe
parents: 2386
diff changeset
589 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
590 { return (! is_colon () && orig_dimensions ().any_zero ()); }
2663
00b2eff19bf5 [project @ 1997-02-08 21:58:49 by jwe]
jwe
parents: 2386
diff changeset
591
4653
14ab7b05a572 [project @ 2003-11-24 05:02:46 by jwe]
jwe
parents: 4650
diff changeset
592 // i/o
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
593
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
594 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
595
3504
5eef8a2294bd [project @ 2000-02-01 10:06:51 by jwe]
jwe
parents: 3503
diff changeset
596 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
597 { return a.print (os); }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1553
diff changeset
598
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
599 // Slice with specializations. No checking of bounds!
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
600 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
601 // This is equivalent to the following loop (but much faster):
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
602 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
603 // 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
604 // dest[i] = src[idx(i)];
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
605 // return i;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
606 //
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
607 template <typename T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
608 octave_idx_type
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
609 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
610 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
611 octave_idx_type len = rep->length (n);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
612
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
613 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
614 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
615 case class_colon:
19381
af41e41ad28e replace oct-mem.h inline indirections by standard function calls.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 18084
diff changeset
616 std::copy (src, src + len, dest);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
617 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
618
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
619 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
620 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
621 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
622 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
623 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
624 const T *ssrc = src + start;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
625 if (step == 1)
19381
af41e41ad28e replace oct-mem.h inline indirections by standard function calls.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 18084
diff changeset
626 std::copy (ssrc, ssrc + len, dest);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
627 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
628 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
629 else if (step == 0)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
630 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
631 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
632 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
633 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
634 dest[i] = ssrc[j];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
635 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
636 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
637 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
638
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
639 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
640 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
641 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
642 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
643 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
644 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
645
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
646 case class_vector:
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 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
649 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
650 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
651 dest[i] = src[data[i]];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
652 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
653 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
654
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
655 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
656 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
657 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
658 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
659 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
660 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
661 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
662 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
663 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
664
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
665 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
666 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
667 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
668 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
669
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
670 return len;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
671 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
672
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
673 // Slice assignment with specializations. No checking of bounds!
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
674 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
675 // This is equivalent to the following loop (but much faster):
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
676 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
677 // 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
678 // dest[idx(i)] = src[i];
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
679 // return i;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
680 //
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
681 template <typename T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
682 octave_idx_type
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
683 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
684 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
685 octave_idx_type len = rep->length (n);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
686
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
687 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
688 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
689 case class_colon:
19381
af41e41ad28e replace oct-mem.h inline indirections by standard function calls.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 18084
diff changeset
690 std::copy (src, src + len, dest);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
691 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
692
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
693 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
694 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
695 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
696 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
697 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
698 T *sdest = dest + start;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
699 if (step == 1)
19381
af41e41ad28e replace oct-mem.h inline indirections by standard function calls.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 18084
diff changeset
700 std::copy (src, src + len, sdest);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
701 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
702 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
703 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
704 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
705 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
706 sdest[j] = src[i];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
707 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
708 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
709 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
710
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
711 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
712 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
713 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
714 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
715 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
716 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
717
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
718 case class_vector:
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 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
721 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
722 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
723 dest[data[i]] = src[i];
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
724 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
725 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
726
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
727 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
728 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
729 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
730 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
731 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
732 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
733 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
734 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
735 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
736
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
737 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
738 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
739 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
740 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
741
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
742 return len;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
743 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
744
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
745 // Slice fill with specializations. No checking of bounds!
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
746 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
747 // This is equivalent to the following loop (but much faster):
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
748 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
749 // 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
750 // dest[idx(i)] = val;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
751 // return i;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
752 //
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
753 template <typename T>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
754 octave_idx_type
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
755 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
756 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
757 octave_idx_type len = rep->length (n);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
758
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
759 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
760 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
761 case class_colon:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
762 std::fill (dest, dest + len, val);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
763 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
764
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
765 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
766 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
767 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
768 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
769 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
770 T *sdest = dest + start;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
771 if (step == 1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
772 std::fill (sdest, sdest + len, val);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
773 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
774 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
775 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
776 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
777 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
778 sdest[j] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
779 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
780 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
781 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
782
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
783 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
784 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
785 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
786 dest[r->get_data ()] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
787 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
788 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
789
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
790 case class_vector:
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 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
793 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
794 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
795 dest[data[i]] = val;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
796 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
797 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
798
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
799 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
800 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
801 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
802 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
803 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
804 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
805 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
806 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
807 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
808
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
809 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
810 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
811 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
812 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
813
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
814 return len;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
815 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
816
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
817 // Generic non-breakable indexed loop. The loop body should be
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
818 // encapsulated in a single functor body. This is equivalent to the
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
819 // following loop (but faster, at least for simple inlined bodies):
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
820 //
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
821 // 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
822
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
823 template <typename Functor>
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
824 void
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
825 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
826 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
827 octave_idx_type len = rep->length (n);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
828
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
829 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
830 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
831 case class_colon:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
832 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
833 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
834
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
835 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
836 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
837 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
838 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
839 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
840 octave_idx_type i, j;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
841 if (step == 1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
842 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
843 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
844 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
845 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
846 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
847 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
848 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
849
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
850 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
851 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
852 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
853 body (r->get_data ());
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
854 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
855 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
856
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
857 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
858 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
859 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
860 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
861 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
862 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
863 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
864
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
865 case class_mask:
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 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
868 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
869 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
870 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
871 if (data[i]) body (i);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
872 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
873 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
874
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
875 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
876 assert (false);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
877 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
878 }
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
879
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
880 }
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
881
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
882 // Generic breakable indexed loop. The loop body should be
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
883 // encapsulated in a single functor body. This is equivalent to the
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
884 // 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
885 //
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
886 // 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
887 // if (body (idx(i))) break;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
888 // return i;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
889 //
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
890
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21137
diff changeset
891 template <typename Functor>
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
892 octave_idx_type
8934
c2099a4d12ea partially optimize accumarray
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
893 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
894 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
895 octave_idx_type len = rep->length (n), ret;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
896
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
897 switch (rep->idx_class ())
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
898 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
899 case class_colon:
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
900 {
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
901 octave_idx_type i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
902 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
903 ret = i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
904 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
905 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
906
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
907 case class_range:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
908 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
909 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
910 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
911 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
912 octave_idx_type i, j;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
913 if (step == 1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
914 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
915 else if (step == -1)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
916 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
917 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
918 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
919 ret = i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
920 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
921 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
922
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
923 case class_scalar:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
924 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
925 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
926 ret = body (r->get_data ()) ? 1 : 0;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
927 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
928 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
929
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
930 case class_vector:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
931 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
932 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
933 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
934 octave_idx_type i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
935 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
936 ret = i;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
937 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
938 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
939
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
940 case class_mask:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
941 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
942 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
943 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
944 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
945 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
946 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
947 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
948 if (data[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 if (body (i))
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
951 break;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
952 else
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
953 j++;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
954 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
955 }
9985
43a29eeda994 fix idx_vector::loop for masks
Jaroslav Hajek <highegg@gmail.com>
parents: 9894
diff changeset
956
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
957 ret = j;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
958 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
959 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
960
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
961 default:
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
962 assert (false);
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 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
965
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
966 return ret;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
967 }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
968
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
969 // Rationale:
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
970 // 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
971 // arrays, sometimes consecutive index vectors can be reduced into a
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
972 // 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
973 // A(i,j)(:) is equal to A(k)(:).
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
974
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
975 // 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
976 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
977 octave_idx_type nj);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
978
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
979 bool is_cont_range (octave_idx_type n,
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
980 octave_idx_type& l, octave_idx_type& u) const;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
981
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
982 // 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
983 // vectors, 1st difference otherwise.
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
984 octave_idx_type increment (void) const;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
985
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
986 idx_vector
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
987 complement (octave_idx_type n) const;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
988
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
989 bool is_permutation (octave_idx_type n) const;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
990
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
991 // 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
992 // result is undefined (but no error unless extent () != n).
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
993 idx_vector inverse_permutation (octave_idx_type n) const;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
994
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21574
diff changeset
995 // 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
996 void copy_data (octave_idx_type *data) const;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 8972
diff changeset
997
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
998 // 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
999 idx_vector unmask (void) const;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1000
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1001 // 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
1002 void unconvert (idx_class_type& iclass,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1003 double& scalar, Range& range,
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9886
diff changeset
1004 Array<double>& array, Array<bool>& mask) const;
10339
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10312
diff changeset
1005
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10312
diff changeset
1006 Array<octave_idx_type> as_array (void) const;
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1007
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1008 // 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
1009 // necessary to mutate the index.
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1010 const octave_idx_type *raw (void);
10516
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1011
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1012 bool is_vector (void) const;
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1013
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1014 // FIXME: these are here for compatibility. They should be removed
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1015 // when no longer in use.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1016
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1017 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
1018 { return (*this) (n); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1019
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1020 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
1021 { return is_colon_equiv (n); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1022
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1023 octave_idx_type
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1024 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
1025
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1026 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
1027 { *this = sorted (uniq); }
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1028
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1029 octave_idx_type ones_count (void) const;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1030
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
1031 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
1032
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1033 private:
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1034
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7573
diff changeset
1035 idx_base_rep *rep;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1036
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1037 };
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1038
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1039 #endif