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annotate liboctave/array/idx-vector.cc @ 19632:76478d2da117

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unconditionally disable the octave_allocator class * configure.ac: Delete the --enable-octave-allocator option. * oct-alloc.h: Delete octave_allocator class. Warn if file is included. Unconditionally define macros to be empty. * NEWS: Make note of these changes. * oct-alloc.cc: Delete. * liboctave/util/module.mk (UTIL_SRC): Remove it from the list. * make_int.cc, Cell.h, oct-obj.cc, oct-obj.h, audiodevinfo.cc, ov-base-int.h, ov-base-scalar.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.cc, ov-builtin.h, ov-cell.cc, ov-cell.h, ov-ch-mat.h, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, 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.cc, ov-fcn-handle.h, ov-fcn-inline.cc, ov-fcn-inline.h, ov-fcn.cc, ov-fcn.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-flt-re-mat.h, ov-int16.cc, ov-int32.cc, ov-int64.cc, ov-int8.cc, ov-intx.h, ov-java.cc, ov-java.h, ov-mex-fcn.cc, ov-mex-fcn.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-mat.h, ov-re-sparse.cc, ov-re-sparse.h, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov-str-mat.h, ov-struct.cc, ov-struct.h, ov-uint16.cc, ov-uint32.cc, ov-uint64.cc, ov-uint8.cc, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, pt-const.cc, pt-const.h, idx-vector.cc, idx-vector.h: Delete uses of oct-alloc.h and OCTAVE_ALLOCATOR macros.
author John W. Eaton <jwe@octave.org>
date Tue, 20 Jan 2015 13:43:29 -0500
parents af41e41ad28e
children 4197fc428c7d
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1 /*
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2
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3 Copyright (C) 1993-2013 John W. Eaton
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4 Copyright (C) 2008-2009 Jaroslav Hajek
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5 Copyright (C) 2009-2010 VZLU Prague
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6
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7 This file is part of Octave.
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8
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9 Octave is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
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12 option) any later version.
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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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25 #ifdef HAVE_CONFIG_H
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26 #include <config.h>
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27 #endif
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29 #include <cstdlib>
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31 #include <iostream>
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32
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33 #include "idx-vector.h"
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34 #include "Array.h"
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35 #include "Array-util.h"
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36 #include "Sparse.h"
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37 #include "Range.h"
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38
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39 #include "oct-locbuf.h"
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40 #include "lo-error.h"
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41 #include "lo-mappers.h"
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43 static void
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44 gripe_invalid_range (void)
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45 {
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46 (*current_liboctave_error_handler)
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47 ("invalid range used as index");
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48 }
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49
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50 static void
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51 gripe_index_out_of_range (void)
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52 {
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53 (*current_liboctave_error_handler)
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54 ("internal error: idx_vector index out of range");
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55 }
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56
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57 Array<octave_idx_type>
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58 idx_vector::idx_base_rep::as_array (void)
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59 {
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60 (*current_liboctave_error_handler)
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61 ("internal error: as_array not allowed for this index class");
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62
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63 return Array<octave_idx_type> ();
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64 }
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65
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66
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67 idx_vector::idx_colon_rep::idx_colon_rep (char c)
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68 {
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69 if (c != ':')
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70 {
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71 (*current_liboctave_error_handler)
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72 ("internal error: invalid character converted to idx_vector; must be ':'");
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73 err = true;
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74 }
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75 }
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76
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77 octave_idx_type
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78 idx_vector::idx_colon_rep::checkelem (octave_idx_type i) const
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79 {
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80 if (i < 0)
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81 {
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82 gripe_index_out_of_range ();
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83 return 0;
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84 }
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85 else
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86 return i;
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87 }
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89 idx_vector::idx_base_rep *
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90 idx_vector::idx_colon_rep::sort_idx (Array<octave_idx_type>&)
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91 {
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92 (*current_liboctave_error_handler)
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93 ("internal error: idx_colon_rep::sort_idx");
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94
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95 count++;
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96 return this;
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97 }
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98
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99 std::ostream&
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100 idx_vector::idx_colon_rep::print (std::ostream& os) const
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101 {
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102 return os << ":";
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103 }
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104
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105
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106 idx_vector::idx_range_rep::idx_range_rep (octave_idx_type _start,
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107 octave_idx_type _limit,
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108 octave_idx_type _step)
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109 : start(_start), len (_step ? std::max ((_limit - _start) / _step, static_cast<octave_idx_type> (0)) : -1), step (_step)
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110 {
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111 if (len < 0)
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112 {
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113 gripe_invalid_range ();
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114 err = true;
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115 }
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116 else if (start < 0 || (step < 0 && start + (len-1)*step < 0))
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117 {
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118 gripe_invalid_index ();
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119 err = true;
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120 }
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121 }
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122
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123 idx_vector::idx_range_rep::idx_range_rep (const Range& r)
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124 : start (0), len (r.nelem ()), step (1)
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125 {
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126 if (len < 0)
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127 {
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128 gripe_invalid_range ();
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129 err = true;
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130 }
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131 else if (len > 0)
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132 {
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133 if (r.all_elements_are_ints ())
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134 {
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135 start = static_cast<octave_idx_type> (r.base ()) - 1;
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136 step = static_cast<octave_idx_type> (r.inc ());
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137 if (start < 0 || (step < 0 && start + (len-1)*step < 0))
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138 {
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139 gripe_invalid_index ();
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140 err = true;
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141 }
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142 }
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143 else
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144 {
9124
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145 gripe_invalid_index ();
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146 err = true;
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diff changeset
147 }
1
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148 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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149 }
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150
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151 octave_idx_type
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152 idx_vector::idx_range_rep::checkelem (octave_idx_type i) const
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153 {
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154 if (i < 0 || i >= len)
4732
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155 {
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156 gripe_index_out_of_range ();
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diff changeset
157 return 0;
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158 }
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159 else
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160 return start + i*step;
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161 }
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162
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163 idx_vector::idx_base_rep *
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164 idx_vector::idx_range_rep::sort_uniq_clone (bool)
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165 {
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166 if (step < 0)
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167 return new idx_range_rep (start + (len - 1)*step, len, -step, DIRECT);
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168 else
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169 {
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170 count++;
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171 return this;
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172 }
1
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173 }
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174
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175 idx_vector::idx_base_rep *
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176 idx_vector::idx_range_rep::sort_idx (Array<octave_idx_type>& idx)
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177 {
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178 if (step < 0 && len > 0)
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179 {
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180 idx.clear (1, len);
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181 for (octave_idx_type i = 0; i < len; i++)
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182 idx.xelem (i) = len - 1 - i;
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183 return new idx_range_rep (start + (len - 1)*step, len, -step, DIRECT);
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184 }
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185 else
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186 {
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187 idx.clear (1, len);
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188 for (octave_idx_type i = 0; i < len; i++)
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189 idx.xelem (i) = i;
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190 count++;
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191 return this;
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192 }
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193 }
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194
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195 std::ostream&
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196 idx_vector::idx_range_rep::print (std::ostream& os) const
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197 {
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198 os << start << ':' << step << ':' << start + len*step;
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199 return os;
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200 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
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201
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parents: 9879
diff changeset
202 Range
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203 idx_vector::idx_range_rep::unconvert (void) const
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204 {
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205 return Range (static_cast<double> (start+1),
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206 static_cast<double> (step), len);
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207 }
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diff changeset
208
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diff changeset
209 Array<octave_idx_type>
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210 idx_vector::idx_range_rep::as_array (void)
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211 {
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212 Array<octave_idx_type> retval (dim_vector (1, len));
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213 for (octave_idx_type i = 0; i < len; i++)
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214 retval.xelem (i) = start + i*step;
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diff changeset
215
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216 return retval;
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217 }
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218
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219 inline octave_idx_type
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220 convert_index (octave_idx_type i, bool& conv_error,
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diff changeset
221 octave_idx_type& ext)
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222 {
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223 if (i <= 0)
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224 conv_error = true;
10487
942386d6d1a5 style fixes
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diff changeset
225
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diff changeset
226 if (ext < i)
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diff changeset
227 ext = i;
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diff changeset
228
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229 return i - 1;
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diff changeset
230 }
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diff changeset
231
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diff changeset
232 inline octave_idx_type
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diff changeset
233 convert_index (double x, bool& conv_error, octave_idx_type& ext)
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diff changeset
234 {
9007
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diff changeset
235 octave_idx_type i = static_cast<octave_idx_type> (x);
10487
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236
9007
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diff changeset
237 if (static_cast<double> (i) != x)
7e31df9a0334 simplify double->int conversion in indexing
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diff changeset
238 conv_error = true;
1
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diff changeset
239
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diff changeset
240 return convert_index (i, conv_error, ext);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
241 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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242
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diff changeset
243 inline octave_idx_type
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diff changeset
244 convert_index (float x, bool& conv_error, octave_idx_type& ext)
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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diff changeset
245 {
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diff changeset
246 return convert_index (static_cast<double> (x), conv_error, ext);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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parents:
diff changeset
247 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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diff changeset
248
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diff changeset
249 template <class T>
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diff changeset
250 inline octave_idx_type
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251 convert_index (octave_int<T> x, bool& conv_error,
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diff changeset
252 octave_idx_type& ext)
3928
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diff changeset
253 {
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diff changeset
254 octave_idx_type i = octave_int<octave_idx_type> (x).value ();
10487
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diff changeset
255
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diff changeset
256 return convert_index (i, conv_error, ext);
3928
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diff changeset
257 }
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe]
jwe
parents: 3680
diff changeset
258
8680
a2bcd96b9344 use allocators for idx_vector_rep subclasses
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parents: 8677
diff changeset
259
8290
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diff changeset
260 template <class T>
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diff changeset
261 idx_vector::idx_scalar_rep::idx_scalar_rep (T x)
11503
b3f511c48b14 idx-vector.h, idx-vector.cc: data member initialization and constructor fixes
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parents: 10702
diff changeset
262 : data (0)
3928
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jwe
parents: 3680
diff changeset
263 {
10101
b51848e95e4b cleanups to avoid valgrind warnings
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parents: 10042
diff changeset
264 octave_idx_type dummy = 0;
10487
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diff changeset
265
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diff changeset
266 data = convert_index (x, err, dummy);
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diff changeset
267
942386d6d1a5 style fixes
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parents: 10486
diff changeset
268 if (err)
942386d6d1a5 style fixes
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diff changeset
269 gripe_invalid_index ();
3928
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diff changeset
270 }
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe]
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parents: 3680
diff changeset
271
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diff changeset
272 idx_vector::idx_scalar_rep::idx_scalar_rep (octave_idx_type i)
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diff changeset
273 : data (i)
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diff changeset
274 {
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diff changeset
275 if (data < 0)
7572
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parents: 7425
diff changeset
276 {
8290
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diff changeset
277 gripe_invalid_index ();
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diff changeset
278 err = true;
7572
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diff changeset
279 }
2828
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parents: 2800
diff changeset
280 }
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parents: 2800
diff changeset
281
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diff changeset
282 octave_idx_type
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diff changeset
283 idx_vector::idx_scalar_rep::checkelem (octave_idx_type i) const
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diff changeset
284 {
10487
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diff changeset
285 if (i != 0)
942386d6d1a5 style fixes
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diff changeset
286 gripe_index_out_of_range ();
942386d6d1a5 style fixes
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diff changeset
287
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diff changeset
288 return data;
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diff changeset
289 }
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diff changeset
290
10273
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291 idx_vector::idx_base_rep *
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292 idx_vector::idx_scalar_rep::sort_idx (Array<octave_idx_type>& idx)
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293 {
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294 idx.clear (1, 1);
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295 idx.fill (0);
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296 count++;
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297 return this;
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298 }
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299
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300 std::ostream& idx_vector::idx_scalar_rep::print (std::ostream& os) const
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301 {
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302 return os << data;
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303 }
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304
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diff changeset
305 double
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diff changeset
306 idx_vector::idx_scalar_rep::unconvert (void) const
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307 {
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308 return data + 1;
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309 }
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diff changeset
310
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diff changeset
311 Array<octave_idx_type>
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312 idx_vector::idx_scalar_rep::as_array (void)
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313 {
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314 return Array<octave_idx_type> (dim_vector (1, 1), data);
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315 }
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316
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317
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318 template <class T>
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319 idx_vector::idx_vector_rep::idx_vector_rep (const Array<T>& nda)
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320 : data (0), len (nda.numel ()), ext (0), aowner (0), orig_dims (nda.dims ())
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321 {
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322 if (len != 0)
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diff changeset
323 {
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diff changeset
324 octave_idx_type *d = new octave_idx_type [len];
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325 for (octave_idx_type i = 0; i < len; i++)
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diff changeset
326 d[i] = convert_index (nda.xelem (i), err, ext);
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327 data = d;
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328
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329 if (err)
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330 {
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331 delete [] data;
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332 gripe_invalid_index ();
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333 }
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334 }
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335 }
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336
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337 // Note that this makes a shallow copy of the index array.
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338
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339 idx_vector::idx_vector_rep::idx_vector_rep (const Array<octave_idx_type>& inda)
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340 : data (inda.data ()), len (inda.numel ()), ext (0),
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341 aowner (new Array<octave_idx_type> (inda)), orig_dims (inda.dims ())
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342 {
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343 if (len != 0)
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344 {
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345 octave_idx_type max = -1;
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346 for (octave_idx_type i = 0; i < len; i++)
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347 {
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348 octave_idx_type k = inda.xelem (i);
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349 if (k < 0)
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350 err = true;
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351 else if (k > max)
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352 max = k;
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353 }
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354
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355 ext = max + 1;
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356
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357 if (err)
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358 gripe_invalid_index ();
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359 }
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360 }
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361
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diff changeset
362 idx_vector::idx_vector_rep::idx_vector_rep (const Array<octave_idx_type>& inda,
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diff changeset
363 octave_idx_type _ext, direct)
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364 : data (inda.data ()), len (inda.numel ()), ext (_ext),
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365 aowner (new Array<octave_idx_type> (inda)), orig_dims (inda.dims ())
10285
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diff changeset
366 {
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367 // No checking.
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368 if (ext < 0)
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369 {
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diff changeset
370 octave_idx_type max = -1;
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diff changeset
371 for (octave_idx_type i = 0; i < len; i++)
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diff changeset
372 if (data[i] > max)
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diff changeset
373 max = data[i];
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374
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diff changeset
375 ext = max + 1;
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376 }
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377 }
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diff changeset
378
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diff changeset
379 idx_vector::idx_vector_rep::idx_vector_rep (bool b)
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diff changeset
380 : data (0), len (b ? 1 : 0), ext (0), aowner (0), orig_dims (len, len)
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diff changeset
381 {
7cbe01c21986 improve dense array indexing
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diff changeset
382 if (len != 0)
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diff changeset
383 {
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
384 octave_idx_type *d = new octave_idx_type [1];
8290
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diff changeset
385 d[0] = 0;
7cbe01c21986 improve dense array indexing
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diff changeset
386 data = d;
7cbe01c21986 improve dense array indexing
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diff changeset
387 ext = 1;
7cbe01c21986 improve dense array indexing
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diff changeset
388 }
7cbe01c21986 improve dense array indexing
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diff changeset
389 }
7cbe01c21986 improve dense array indexing
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diff changeset
390
9879
034677ab6865 smarter treatment of mask indexing
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parents: 9780
diff changeset
391 idx_vector::idx_vector_rep::idx_vector_rep (const Array<bool>& bnda,
034677ab6865 smarter treatment of mask indexing
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diff changeset
392 octave_idx_type nnz)
034677ab6865 smarter treatment of mask indexing
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diff changeset
393 : data (0), len (nnz), ext (0), aowner (0), orig_dims ()
8290
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diff changeset
394 {
9879
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diff changeset
395 if (nnz < 0)
034677ab6865 smarter treatment of mask indexing
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diff changeset
396 len = bnda.nnz ();
8290
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diff changeset
397
9045
ac0a23e9f5c5 more compatible indexing by logical empty matrices
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diff changeset
398 const dim_vector dv = bnda.dims ();
7774
ce52af0e4a10 all false logical indexing fix
David Bateman <dbateman@free.fr>
parents: 7727
diff changeset
399
9045
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parents: 9007
diff changeset
400 if (! dv.all_zero ())
11586
12df7854fa7c strip trailing whitespace from source files
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diff changeset
401 orig_dims = ((dv.length () == 2 && dv(0) == 1)
9045
ac0a23e9f5c5 more compatible indexing by logical empty matrices
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parents: 9007
diff changeset
402 ? dim_vector (1, len) : dim_vector (len, 1));
7774
ce52af0e4a10 all false logical indexing fix
David Bateman <dbateman@free.fr>
parents: 7727
diff changeset
403
8290
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diff changeset
404 if (len != 0)
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
405 {
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
406 octave_idx_type *d = new octave_idx_type [len];
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
407
7572
85da2ab0c6fd logical indexing compatibility fixes
John W. Eaton <jwe@octave.org>
parents: 7425
diff changeset
408 octave_idx_type ntot = bnda.length ();
85da2ab0c6fd logical indexing compatibility fixes
John W. Eaton <jwe@octave.org>
parents: 7425
diff changeset
409
8290
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diff changeset
410 octave_idx_type k = 0;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
411 for (octave_idx_type i = 0; i < ntot; i++)
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
412 if (bnda.xelem (i))
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
413 d[k++] = i;
7572
85da2ab0c6fd logical indexing compatibility fixes
John W. Eaton <jwe@octave.org>
parents: 7425
diff changeset
414
8290
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diff changeset
415 data = d;
7cbe01c21986 improve dense array indexing
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diff changeset
416
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
417 ext = d[k-1] + 1;
a99b9113c58c optimize sparse bool indexing
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parents: 8379
diff changeset
418 }
a99b9113c58c optimize sparse bool indexing
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parents: 8379
diff changeset
419 }
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
420
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
421 idx_vector::idx_vector_rep::idx_vector_rep (const Sparse<bool>& bnda)
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
422 : data (0), len (bnda.nnz ()), ext (0), aowner (0), orig_dims ()
8384
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parents: 8379
diff changeset
423 {
16779
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David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
424 const dim_vector dv = bnda.dims ();
8384
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diff changeset
425
16779
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David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
426 if (! dv.all_zero ())
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
427 orig_dims = ((dv.length () == 2 && dv(0) == 1)
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
428 ? dim_vector (1, len) : dim_vector (len, 1));
8384
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parents: 8379
diff changeset
429
a99b9113c58c optimize sparse bool indexing
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parents: 8379
diff changeset
430 if (len != 0)
a99b9113c58c optimize sparse bool indexing
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parents: 8379
diff changeset
431 {
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
432 octave_idx_type *d = new octave_idx_type [len];
8384
a99b9113c58c optimize sparse bool indexing
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diff changeset
433
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
434 octave_idx_type k = 0;
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
435 octave_idx_type nc = bnda.cols ();
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
436 octave_idx_type nr = bnda.rows ();
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
437
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
438 for (octave_idx_type j = 0; j < nc; j++)
18083
938f01339043 maint: Use Octave coding convention for indexing vs. function calls in liboctave/array.
Rik <rik@octave.org>
parents: 17769
diff changeset
439 for (octave_idx_type i = bnda.cidx (j); i < bnda.cidx (j+1); i++)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
440 if (bnda.data (i))
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
441 d[k++] = j * nr + bnda.ridx (i);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
442
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
443 data = d;
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
444
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
445 ext = d[k-1] + 1;
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
446 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
447 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
448
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
449 idx_vector::idx_vector_rep::~idx_vector_rep (void)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
450 {
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
451 if (aowner)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
452 delete aowner;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
453 else
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
454 delete [] data;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
455 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
456
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5108
diff changeset
457 octave_idx_type
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
458 idx_vector::idx_vector_rep::checkelem (octave_idx_type n) const
227
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
459 {
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
460 if (n < 0 || n >= len)
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
461 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
462 gripe_invalid_index ();
227
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
463 return 0;
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
464 }
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
465
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
466 return xelem (n);
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
467 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
468
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
469 idx_vector::idx_base_rep *
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
470 idx_vector::idx_vector_rep::sort_uniq_clone (bool uniq)
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
471 {
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
472 if (len == 0)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
473 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
474 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
475 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
476 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
477
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
478 // This is wrapped in auto_ptr so that we don't leak on out-of-memory.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
479 std::auto_ptr<idx_vector_rep> new_rep (
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
480 new idx_vector_rep (0, len, ext, orig_dims, DIRECT));
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
481
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
482 if (ext > len*xlog2 (1.0 + len))
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
483 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
484 // Use standard sort via octave_sort.
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
485 octave_idx_type *new_data = new octave_idx_type [len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
486 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
487
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
488 std::copy (data, data + len, new_data);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
489 octave_sort<octave_idx_type> lsort;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
490 lsort.set_compare (ASCENDING);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
491 lsort.sort (new_data, len);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
492
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
493 if (uniq)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
494 {
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
495 octave_idx_type new_len = std::unique (new_data, new_data + len)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
496 - new_data;
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
497 new_rep->len = new_len;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
498 if (new_rep->orig_dims.length () == 2 && new_rep->orig_dims(0) == 1)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
499 new_rep->orig_dims = dim_vector (1, new_len);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
500 else
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
501 new_rep->orig_dims = dim_vector (new_len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
502 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
503 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
504 else if (uniq)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
505 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
506 // Use two-pass bucket sort (only a mask array needed).
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
507 OCTAVE_LOCAL_BUFFER_INIT (bool, has, ext, false);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
508 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
509 has[data[i]] = true;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
510
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
511 octave_idx_type new_len = 0;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
512 for (octave_idx_type i = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
513 new_len += has[i];
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
514
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
515 new_rep->len = new_len;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
516 if (new_rep->orig_dims.length () == 2 && new_rep->orig_dims(0) == 1)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
517 new_rep->orig_dims = dim_vector (1, new_len);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
518 else
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
519 new_rep->orig_dims = dim_vector (new_len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
520
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
521 octave_idx_type *new_data = new octave_idx_type [new_len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
522 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
523
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
524 for (octave_idx_type i = 0, j = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
525 if (has[i])
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
526 new_data[j++] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
527 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
528 else
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
529 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
530 // Use two-pass bucket sort.
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
531 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, cnt, ext, 0);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
532 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
533 cnt[data[i]]++;
2966
458cea5c8356 [project @ 1997-05-12 20:17:35 by jwe]
jwe
parents: 2847
diff changeset
534
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
535 octave_idx_type *new_data = new octave_idx_type [len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
536 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
537
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
538 for (octave_idx_type i = 0, j = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
539 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
540 for (octave_idx_type k = 0; k < cnt[i]; k++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
541 new_data[j++] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
542 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
543 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
544
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
545 return new_rep.release ();
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
546 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
547
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
548 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
549 idx_vector::idx_vector_rep::sort_idx (Array<octave_idx_type>& idx)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
550 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
551 // This is wrapped in auto_ptr so that we don't leak on out-of-memory.
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
552 std::auto_ptr<idx_vector_rep> new_rep (
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
553 new idx_vector_rep (0, len, ext, orig_dims, DIRECT));
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
554
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
555 if (ext > len*xlog2 (1.0 + len))
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
556 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
557 // Use standard sort via octave_sort.
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
558 idx.clear (orig_dims);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
559 octave_idx_type *idx_data = idx.fortran_vec ();
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
560 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
561 idx_data[i] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
562
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
563 octave_idx_type *new_data = new octave_idx_type [len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
564 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
565 std::copy (data, data + len, new_data);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
566
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
567 octave_sort<octave_idx_type> lsort;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
568 lsort.set_compare (ASCENDING);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
569 lsort.sort (new_data, idx_data, len);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
570 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
571 else
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
572 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
573 // Use two-pass bucket sort.
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
574 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, cnt, ext, 0);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
575
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
576 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
577 cnt[data[i]]++;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
578
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
579 idx.clear (orig_dims);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
580 octave_idx_type *idx_data = idx.fortran_vec ();
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
581
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
582 octave_idx_type *new_data = new octave_idx_type [len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
583 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
584
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
585 for (octave_idx_type i = 0, k = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
586 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
587 octave_idx_type j = cnt[i];
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
588 cnt[i] = k;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
589 k += j;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
590 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
591
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
592 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
593 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
594 octave_idx_type j = data[i];
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
595 octave_idx_type k = cnt[j]++;
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
596 new_data[k] = j;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
597 idx_data[k] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
598 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
599 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
600
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
601 return new_rep.release ();
209
5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe]
jwe
parents: 191
diff changeset
602 }
5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe]
jwe
parents: 191
diff changeset
603
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
604 std::ostream&
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
605 idx_vector::idx_vector_rep::print (std::ostream& os) const
3079
eb827eb9b8ff [project @ 1997-08-03 20:44:07 by jwe]
jwe
parents: 2966
diff changeset
606 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
607 os << '[';
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
608
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
609 for (octave_idx_type ii = 0; ii < len - 1; ii++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
610 os << data[ii] << ',' << ' ';
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
611
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
612 if (len > 0)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
613 os << data[len-1]; os << ']';
7425
fe4a43e1d1d3 [project @ 2008-01-28 09:13:01 by jwe]
jwe
parents: 7422
diff changeset
614
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
615 return os;
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
616 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
617
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
618 Array<double>
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
619 idx_vector::idx_vector_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
620 {
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
621 Array<double> retval (orig_dims);
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
622 for (octave_idx_type i = 0; i < len; i++)
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
623 retval.xelem (i) = data[i] + 1;
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
624 return retval;
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
625 }
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
626
10339
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
627 Array<octave_idx_type>
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
628 idx_vector::idx_vector_rep::as_array (void)
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
629 {
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
630 if (aowner)
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
631 return *aowner;
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
632 else
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
633 {
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
634 Array<octave_idx_type> retval (orig_dims);
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
635 std::memcpy (retval.fortran_vec (), data, len*sizeof (octave_idx_type));
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
636 // Delete the old copy and share the data instead to save memory.
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
637 delete [] data;
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
638 data = retval.fortran_vec ();
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
639 aowner = new Array<octave_idx_type> (retval);
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
640 return retval;
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
641 }
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
642 }
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
643
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
644
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
645 idx_vector::idx_mask_rep::idx_mask_rep (bool b)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
646 : data (0), len (b ? 1 : 0), ext (0), lsti (-1), lste (-1),
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
647 aowner (0), orig_dims (len, len)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
648 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
649 if (len != 0)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
650 {
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
651 bool *d = new bool [1];
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
652 d[0] = true;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
653 data = d;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
654 ext = 1;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
655 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
656 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
657
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
658 idx_vector::idx_mask_rep::idx_mask_rep (const Array<bool>& bnda,
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
659 octave_idx_type nnz)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
660 : data (0), len (nnz), ext (bnda.numel ()), lsti (-1), lste (-1),
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
661 aowner (0), orig_dims ()
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
662 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
663 if (nnz < 0)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
664 len = bnda.nnz ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
665
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
666 // We truncate the extent as much as possible. For Matlab
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
667 // compatibility, but maybe it's not a bad idea anyway.
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
668 while (ext > 0 && ! bnda(ext-1))
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
669 ext--;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
670
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
671 const dim_vector dv = bnda.dims ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
672
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
673 if (! dv.all_zero ())
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
674 orig_dims = ((dv.length () == 2 && dv(0) == 1)
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
675 ? dim_vector (1, len) : dim_vector (len, 1));
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
676
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
677 aowner = new Array<bool> (bnda);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
678 data = bnda.data ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
679 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
680
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
681 idx_vector::idx_mask_rep::~idx_mask_rep (void)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
682 {
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
683 if (aowner)
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
684 delete aowner;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
685 else
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
686 delete [] data;
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
687 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
688
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
689 octave_idx_type
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
690 idx_vector::idx_mask_rep::xelem (octave_idx_type n) const
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
691 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
692 if (n == lsti + 1)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
693 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
694 lsti = n;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
695 while (! data[++lste]) ;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
696 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
697 else
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
698 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
699 lsti = n++;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
700 lste = -1;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
701 while (n > 0)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
702 if (data[++lste]) --n;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
703 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
704 return lste;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
705 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
706
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
707 octave_idx_type
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
708 idx_vector::idx_mask_rep::checkelem (octave_idx_type n) const
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
709 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
710 if (n < 0 || n >= len)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
711 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
712 gripe_invalid_index ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
713 return 0;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
714 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
715
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
716 return xelem (n);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
717 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
718
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
719 std::ostream&
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
720 idx_vector::idx_mask_rep::print (std::ostream& os) const
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
721 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
722 os << '[';
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
723
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
724 for (octave_idx_type ii = 0; ii < ext - 1; ii++)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
725 os << data[ii] << ',' << ' ';
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
726
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
727 if (ext > 0)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
728 os << data[ext-1]; os << ']';
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
729
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
730 return os;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
731 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
732
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
733 Array<bool>
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
734 idx_vector::idx_mask_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
735 {
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
736 if (aowner)
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
737 return *aowner;
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
738 else
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
739 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
740 Array<bool> retval (dim_vector (ext, 1));
10425
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
741 for (octave_idx_type i = 0; i < ext; i++)
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
742 retval.xelem (i) = data[i];
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
743 return retval;
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
744 }
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
745 }
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
746
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
747 Array<octave_idx_type>
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
748 idx_vector::idx_mask_rep::as_array (void)
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
749 {
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
750 if (aowner)
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
751 return aowner->find ().reshape (orig_dims);
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
752 else
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
753 {
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
754 Array<bool> retval (orig_dims);
10425
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
755 for (octave_idx_type i = 0, j = 0; i < ext; i++)
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
756 if (data[i])
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
757 retval.xelem (j++) = i;
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
758
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
759 return retval;
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
760 }
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
761 }
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
762
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
763 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
764 idx_vector::idx_mask_rep::sort_idx (Array<octave_idx_type>& idx)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
765 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
766 idx.clear (len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
767 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
768 idx.xelem (i) = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
769
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
770 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
771 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
772 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
773
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
774 const idx_vector idx_vector::colon (new idx_vector::idx_colon_rep ());
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
775
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
776 idx_vector::idx_vector (const Array<bool>& bnda)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
777 : rep (0)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
778 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
779 // Convert only if it means saving at least half the memory.
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
780 static const int factor = (2 * sizeof (octave_idx_type));
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
781 octave_idx_type nnz = bnda.nnz ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
782 if (nnz <= bnda.numel () / factor)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
783 rep = new idx_vector_rep (bnda, nnz);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
784 else
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
785 rep = new idx_mask_rep (bnda, nnz);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
786 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
787
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
788 bool
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
789 idx_vector::maybe_reduce (octave_idx_type n, const idx_vector& j,
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
790 octave_idx_type nj)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
791 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
792 bool reduced = false;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
793
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
794 // Empty index always reduces.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
795 if (rep->length (n) == 0)
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
796 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
797 *this = idx_vector ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
798 return true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
799 }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
800
8972
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
801 // Possibly skip singleton dims.
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
802 if (n == 1 && rep->is_colon_equiv (n))
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
803 {
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
804 *this = j;
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
805 return true;
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
806 }
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
807
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
808 if (nj == 1 && j.is_colon_equiv (nj))
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
809 return true;
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
810
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
811 switch (j.idx_class ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
812 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
813 case class_colon:
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
814 switch (rep->idx_class ())
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
815 {
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
816 case class_colon:
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
817 // (:,:) reduces to (:)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
818 reduced = true;
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
819 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
820
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
821 case class_scalar:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
822 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
823 // (i,:) reduces to a range.
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
824 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
825 octave_idx_type k = r->get_data ();
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
826 *this = new idx_range_rep (k, nj, n, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
827 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
828 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
829 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
830
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
831 case class_range:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
832 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
833 // (i:k:end,:) reduces to a range if i <= k and k divides n.
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
834 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: 18083
diff changeset
835 octave_idx_type s = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
836 octave_idx_type l = r->length (n);
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
837 octave_idx_type t = r->get_step ();
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
838 if (l*t == n)
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
839 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
840 *this = new idx_range_rep (s, l * nj, t, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
841 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
842 }
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
843 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
844 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
845
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
846 default:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
847 break;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
848 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
849 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
850
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
851 case class_range:
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
852 switch (rep->idx_class ())
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
853 {
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
854 case class_colon:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
855 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
856 // (:,i:j) reduces to a range (the step must be 1)
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
857 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
858 if (rj->get_step () == 1)
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
859 {
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
860 octave_idx_type sj = rj->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
861 octave_idx_type lj = rj->length (nj);
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
862 *this = new idx_range_rep (sj * n, lj * n, 1, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
863 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
864 }
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
865 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
866 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
867
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
868 case class_scalar:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
869 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
870 // (k,i:d:j) reduces to a range.
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
871 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
872 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
873 octave_idx_type k = r->get_data ();
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
874 octave_idx_type sj = rj->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
875 octave_idx_type lj = rj->length (nj);
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
876 octave_idx_type tj = rj->get_step ();
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
877 *this = new idx_range_rep (n * sj + k, lj, n * tj, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
878 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
879 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
880 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
881
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
882 case class_range:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
883 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
884 // (i:k:end,p:q) reduces to a range if i <= k and k divides n.
10042
b7915ebe8acf implement index reduction rule for multiple constant ranges
Jaroslav Hajek <highegg@gmail.com>
parents: 9894
diff changeset
885 // (ones (1, m), ones (1, n)) reduces to (ones (1, m*n))
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
886 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: 18083
diff changeset
887 octave_idx_type s = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
888 octave_idx_type l = r->length (n);
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
889 octave_idx_type t = r->get_step ();
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
890 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
891 octave_idx_type sj = rj->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
892 octave_idx_type lj = rj->length (nj);
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
893 octave_idx_type tj = rj->get_step ();
10042
b7915ebe8acf implement index reduction rule for multiple constant ranges
Jaroslav Hajek <highegg@gmail.com>
parents: 9894
diff changeset
894 if ((l*t == n && tj == 1) || (t == 0 && tj == 0))
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
895 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
896 *this = new idx_range_rep (s + n * sj, l * lj, t, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
897 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
898 }
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
899 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
900 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
901
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
902 default:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
903 break;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
904 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
905 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
906
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
907 case class_scalar:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
908 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
909 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
910 case class_scalar:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
911 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
912 // (i,j) reduces to a single index.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
913 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
914 idx_scalar_rep * rj = dynamic_cast<idx_scalar_rep *> (j.rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
915 octave_idx_type k = r->get_data () + n * rj->get_data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
916 *this = new idx_scalar_rep (k, DIRECT);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
917 reduced = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
918 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
919 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
920
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
921 case class_range:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
922 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
923 // (i:d:j,k) reduces to a range.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
924 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
925 idx_scalar_rep * rj = dynamic_cast<idx_scalar_rep *> (j.rep);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
926 octave_idx_type s = r->get_start ();
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
927 octave_idx_type l = r->length (nj);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
928 octave_idx_type t = r->get_step ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
929 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
930 *this = new idx_range_rep (n * k + s, l, t, DIRECT);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
931 reduced = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
932 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
933 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
934
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
935 case class_colon:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
936 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
937 // (:,k) reduces to a range.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
938 idx_scalar_rep * rj = dynamic_cast<idx_scalar_rep *> (j.rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
939 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
940 *this = new idx_range_rep (n * k, n, 1, DIRECT);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
941 reduced = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
942 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
943 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
944
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
945 default:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
946 break;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
947 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
948 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
949
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
950 default:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
951 break;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
952 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
953
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
954 return reduced;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
955 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
956
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
957 bool
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
958 idx_vector::is_cont_range (octave_idx_type n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10285
diff changeset
959 octave_idx_type& l, octave_idx_type& u) const
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
960 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
961 bool res = false;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
962
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
963 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
964 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
965 case class_colon:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
966 l = 0; u = n;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
967 res = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
968 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
969
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
970 case class_range:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
971 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
972 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
973 if (r->get_step () == 1)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
974 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
975 l = r->get_start ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
976 u = l + r->length (n);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
977 res = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
978 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
979 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
980 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
981
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
982 case class_scalar:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
983 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
984 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
985 l = r->get_data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
986 u = l + 1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
987 res = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
988 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
989 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
990
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
991 case class_mask:
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
992 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
993 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
994 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: 18083
diff changeset
995 octave_idx_type len = r->length (0);
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
996 if (ext == len)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
997 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
998 l = 0;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
999 u = len;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1000 res = true;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1001 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1002 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1003
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1004 default:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1005 break;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1006 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1007
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1008 return res;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1009 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1010
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1011 octave_idx_type
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1012 idx_vector::increment (void) const
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1013 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1014 octave_idx_type retval = 0;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1015
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1016 switch (rep->idx_class ())
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1017 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1018 case class_colon:
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1019 retval = 1;
10702
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1020 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1021
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1022 case class_range:
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1023 retval = dynamic_cast<idx_range_rep *> (rep) -> get_step ();
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1024 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1025
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1026 case class_vector:
10702
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1027 case class_mask:
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1028 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1029 if (length (0) > 1)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1030 retval = elem (1) - elem (0);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1031 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1032 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1033
9757
95ad9c2a27e2 fix idx_vector construction checks
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
1034 default:
95ad9c2a27e2 fix idx_vector construction checks
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
1035 break;
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1036 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1037
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1038 return retval;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1039 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1040
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1041 const octave_idx_type *
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1042 idx_vector::raw (void)
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1043 {
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1044 if (rep->idx_class () != class_vector)
10479
ded9beac7582 optimize sparse matrix assembly
Jaroslav Hajek <highegg@gmail.com>
parents: 10475
diff changeset
1045 *this = idx_vector (as_array (), extent (0));
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1046
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1047 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1048
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1049 assert (r != 0);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1050
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1051 return r->get_data ();
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1052 }
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1053
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1054 void
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1055 idx_vector::copy_data (octave_idx_type *data) const
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1056 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1057 octave_idx_type len = rep->length (0);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1058
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1059 switch (rep->idx_class ())
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1060 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1061 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1062 current_liboctave_error_handler ("colon not allowed");
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1063 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1064
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1065 case class_range:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1066 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1067 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: 18083
diff changeset
1068 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: 18083
diff changeset
1069 octave_idx_type step = r->get_step ();
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1070 octave_idx_type i, j;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1071 if (step == 1)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1072 for (i = start, j = start + len; i < j; i++) *data++ = i;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1073 else if (step == -1)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1074 for (i = start, j = start - len; i > j; i--) *data++ = i;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1075 else
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1076 for (i = 0, j = start; i < len; i++, j += step) *data++ = j;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1077 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1078 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1079
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1080 case class_scalar:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1081 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1082 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1083 *data = r->get_data ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1084 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1085 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1086
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1087 case class_vector:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1088 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1089 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1090 const octave_idx_type *rdata = r->get_data ();
19415
af41e41ad28e replace oct-mem.h inline indirections by standard function calls.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 18084
diff changeset
1091 std::copy (rdata, rdata + len, data);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1092 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1093 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1094
10702
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1095 case class_mask:
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1096 {
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1097 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1098 const bool *mask = r->get_data ();
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1099 octave_idx_type ext = r->extent (0);
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1100 for (octave_idx_type i = 0, j = 0; i < ext; i++)
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1101 if (mask[i])
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1102 data[j++] = i;
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1103 }
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1104 break;
10702
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1105
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1106 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1107 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1108 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1109 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1110 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1111
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1112 idx_vector
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1113 idx_vector::complement (octave_idx_type n) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1114 {
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1115 idx_vector retval;
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1116 if (extent (n) > n)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1117 (*current_liboctave_error_handler)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1118 ("internal error: out of range complement index requested");
3680
b8b0f5ff28e2 [project @ 2000-06-08 20:06:17 by jwe]
jwe
parents: 3504
diff changeset
1119
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1120 if (idx_class () == class_mask)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1121 {
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1122 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
18084
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
1123 octave_idx_type nz = r->length (0);
8e056300994b Follow coding convention of defining and initializing only 1 variable per line in liboctave.
Rik <rik@octave.org>
parents: 18083
diff changeset
1124 octave_idx_type ext = r->extent (0);
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1125 Array<bool> mask (dim_vector (n, 1));
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1126 const bool *data = r->get_data ();
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1127 bool *ndata = mask.fortran_vec ();
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1128 for (octave_idx_type i = 0; i < ext; i++)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1129 ndata[i] = ! data[i];
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1130 for (octave_idx_type i = ext; i < n; i++)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1131 ndata[i] = true;
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1132 retval = new idx_mask_rep (mask, n - nz);
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1133 }
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1134 else
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1135 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1136 Array<bool> mask (dim_vector (n, 1), true);
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1137 fill (false, length (n), mask.fortran_vec ());
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1138 retval = idx_vector (mask);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1139 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1140
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1141 return retval;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1142 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1143
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1144 bool
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1145 idx_vector::is_permutation (octave_idx_type n) const
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1146 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1147 bool retval = false;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1148
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1149 if (is_colon_equiv (n))
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1150 retval = true;
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
1151 else if (length(n) == n && extent(n) == n)
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1152 {
8379
ad8ed668e0a4 allow initialized local buffers
Jaroslav Hajek <highegg@gmail.com>
parents: 8375
diff changeset
1153 OCTAVE_LOCAL_BUFFER_INIT (bool, left, n, true);
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1154
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1155 retval = true;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1156
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1157 for (octave_idx_type i = 0, len = length (); i < len; i++)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1158 {
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1159 octave_idx_type k = xelem (i);
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1160 if (left[k])
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1161 left[k] = false;
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1162 else
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1163 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1164 retval = false;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1165 break;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1166 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1167 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1168 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1169
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1170 return retval;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1171 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1172
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1173 idx_vector
10512
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1174 idx_vector::inverse_permutation (octave_idx_type n) const
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1175 {
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1176 assert (n == length (n));
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1177
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1178 idx_vector retval;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1179
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1180 switch (idx_class ())
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1181 {
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1182 case class_range:
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1183 {
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1184 if (increment () == -1)
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1185 retval = sorted ();
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1186 else
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1187 retval = *this;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1188 break;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1189 }
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1190 case class_vector:
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1191 {
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1192 idx_vector_rep *r = dynamic_cast<idx_vector_rep *> (rep);
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1193 const octave_idx_type *ri = r->get_data ();
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1194 Array<octave_idx_type> idx (orig_dimensions ());
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1195 for (octave_idx_type i = 0; i < n; i++)
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
1196 idx.xelem (ri[i]) = i;
10512
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1197 retval = new idx_vector_rep (idx, r->extent (0), DIRECT);
10516
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1198 break;
10512
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1199 }
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1200 default:
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1201 retval = *this;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1202 break;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1203 }
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1204
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1205 return retval;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1206 }
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1207
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1208 idx_vector
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1209 idx_vector::unmask (void) const
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1210 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1211 if (idx_class () == class_mask)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1212 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1213 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1214 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: 18083
diff changeset
1215 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: 18083
diff changeset
1216 octave_idx_type len = r->length (0);
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
1217 octave_idx_type *idata = new octave_idx_type [len];
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1218
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1219 for (octave_idx_type i = 0, j = 0; i < ext; i++)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1220 if (data[i])
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1221 idata[j++] = i;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1222
10620
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1223 ext = len > 0 ? idata[len - 1] + 1 : 0;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1224
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1225 return new idx_vector_rep (idata, len, ext, r->orig_dimensions (),
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1226 DIRECT);
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1227 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1228 else
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1229 return *this;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1230 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1231
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1232 void idx_vector::unconvert (idx_class_type& iclass,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1233 double& scalar, Range& range,
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
1234 Array<double>& array, Array<bool>& mask) const
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1235 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1236 iclass = idx_class ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1237 switch (iclass)
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1238 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1239 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1240 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1241
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1242 case class_range:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1243 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1244 idx_range_rep *r = dynamic_cast<idx_range_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1245 range = r->unconvert ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1246 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1247 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1248
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1249 case class_scalar:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1250 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1251 idx_scalar_rep *r = dynamic_cast<idx_scalar_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1252 scalar = r->unconvert ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1253 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1254 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1255
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1256 case class_vector:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1257 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1258 idx_vector_rep *r = dynamic_cast<idx_vector_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1259 array = r->unconvert ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1260 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1261 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1262
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1263 case class_mask:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1264 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1265 idx_mask_rep *r = dynamic_cast<idx_mask_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1266 mask = r->unconvert ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1267 }
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1268 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1269
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1270 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1271 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1272 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1273 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1274 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1275
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1276 Array<octave_idx_type>
10339
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1277 idx_vector::as_array (void) const
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1278 {
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1279 return rep->as_array ();
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1280 }
10516
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1281
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1282 bool
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1283 idx_vector::is_vector (void) const
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1284 {
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1285 return idx_class () != class_vector || orig_dimensions ().is_vector ();
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1286 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1287
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1288 octave_idx_type
8677
095ae5e0a831 eliminte some compiler warnings
John W. Eaton <jwe@octave.org>
parents: 8384
diff changeset
1289 idx_vector::freeze (octave_idx_type z_len, const char *, bool resize_ok)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1290 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1291 if (! resize_ok && extent (z_len) > z_len)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1292 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1293 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1294 ("invalid matrix index = %d", extent (z_len));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1295 rep->err = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1296 chkerr ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1297 }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
1298
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1299 return length (z_len);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1300 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1301
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1302 octave_idx_type
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1303 idx_vector::ones_count () const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1304 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1305 octave_idx_type n = 0;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1306
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1307 if (is_colon ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1308 n = 1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1309 else
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1310 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1311 for (octave_idx_type i = 0; i < length (1); i++)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1312 if (xelem (i) == 0)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1313 n++;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1314 }
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1315
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1316 return n;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1317 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1318
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1319 // Instantiate the octave_int constructors we want.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1320 #define INSTANTIATE_SCALAR_VECTOR_REP_CONST(T) \
8319
c374691576f6 Fix for MSVC compilation
Michael Goffioul <michael.goffioul@gmail.com>
parents: 8301
diff changeset
1321 template OCTAVE_API idx_vector::idx_scalar_rep::idx_scalar_rep (T); \
c374691576f6 Fix for MSVC compilation
Michael Goffioul <michael.goffioul@gmail.com>
parents: 8301
diff changeset
1322 template OCTAVE_API idx_vector::idx_vector_rep::idx_vector_rep (const Array<T>&);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1323
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1324 INSTANTIATE_SCALAR_VECTOR_REP_CONST (float)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1325 INSTANTIATE_SCALAR_VECTOR_REP_CONST (double)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1326 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int8)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1327 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int16)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1328 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int32)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1329 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int64)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1330 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint8)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1331 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint16)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1332 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint32)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1333 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint64)
10620
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1334
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1335 /*
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1336
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
1337 %!error id=Octave:index-out-of-bounds 1(find ([1,1] != 0))
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
1338 %!assert ((1:3)(find ([1,0,1] != 0)), [1,3])
10620
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1339
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1340 */