annotate liboctave/array/Array.h @ 29654:d13d090cb03a stable

use std::size_t and std::ptrdiff_t in C++ code (bug #60471) Files affected: make_int.cc, file-editor-tab.cc, octave-qscintilla.cc, Cell.cc, Cell.h, call-stack.cc, call-stack.h, cellfun.cc, data.cc, debug.cc, dlmread.cc, error.cc, event-queue.h, fcn-info.cc, fcn-info.h, file-io.cc, ft-text-renderer.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, help.cc, hex2num.cc, input.cc, latex-text-renderer.cc, load-path.cc, load-save.cc, load-save.h, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat5.cc, ls-oct-text.cc, mex.cc, mexproto.h, mxarray.h, oct-map.cc, oct-stream.cc, oct-stream.h, pager.cc, pager.h, pr-output.cc, regexp.cc, settings.h, stack-frame.cc, stack-frame.h, strfns.cc, syminfo.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, sysdep.cc, toplev.cc, utils.cc, utils.h, variables.cc, __fltk_uigetfile__.cc, __init_fltk__.cc, audioread.cc, gzip.cc, cdef-class.cc, cdef-manager.cc, cdef-method.cc, cdef-object.cc, cdef-object.h, ov-base-diag.cc, ov-base-diag.h, ov-base-mat.cc, ov-base-mat.h, ov-base-scalar.cc, ov-base-scalar.h, ov-base-sparse.h, ov-base.cc, ov-base.h, ov-cell.cc, ov-cell.h, ov-ch-mat.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-fcn-handle.cc, ov-java.cc, ov-lazy-idx.h, ov-perm.cc, ov-perm.h, ov-range.h, ov-str-mat.cc, ov-struct.cc, ov-struct.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, ovl.cc, octave.cc, bp-table.cc, jit-ir.cc, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, jit-util.h, lex.h, lex.ll, oct-lvalue.cc, oct-parse.yy, parse.h, profiler.h, pt-eval.cc, pt-eval.h, pt-jit.cc, pt-jit.h, pt-pr-code.cc, pt-tm-const.cc, pt-tm-const.h, Array.h, CMatrix.cc, DiagArray2.h, PermMatrix.h, Sparse.h, dMatrix.cc, fCMatrix.cc, fMatrix.cc, bsxfun-defs.cc, oct-fftw.cc, oct-fftw.h, randpoisson.cc, sparse-chol.cc, mx-inlines.cc, file-ops.cc, lo-sysdep.cc, oct-env.cc, oct-time.cc, action-container.cc, action-container.h, base-list.h, caseless-str.h, cmd-edit.cc, cmd-hist.cc, data-conv.cc, data-conv.h, f77-fcn.h, file-info.cc, file-info.h, kpse.cc, kpse.h, lo-cutils.h, lo-hash.h, lo-regexp.cc, oct-base64.cc, oct-base64.h, oct-binmap.h, oct-glob.cc, oct-shlib.cc, oct-shlib.h, oct-sort.cc, oct-sparse.h, oct-string.cc, quit.cc, unwind-prot.h, url-transfer.cc, main.in.cc, mkoctfile.in.cc, and shared-fcns.h. (grafted from aef11bb4e6d1f303ad9de5688fcb7244ef48867e)
author John W. Eaton <jwe@octave.org>
date Wed, 28 Apr 2021 22:57:42 -0400
parents 0a5b15007766
children 32f4357ac8d9
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1993-2021 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_Array_h)
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27 #define octave_Array_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <cassert>
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32 #include <cstddef>
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33
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34 #include <algorithm>
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35 #include <iosfwd>
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36 #include <string>
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37
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38 #include "dim-vector.h"
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39 #include "idx-vector.h"
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40 #include "lo-error.h"
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41 #include "lo-traits.h"
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42 #include "lo-utils.h"
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43 #include "oct-refcount.h"
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44 #include "oct-sort.h"
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45 #include "quit.h"
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46
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47 //! N Dimensional Array with copy-on-write semantics.
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48 //!
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49 //! The Array class is at the root of Octave. It provides a container
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50 //! with an arbitrary number of dimensions. The operator () provides
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51 //! access to individual elements via subscript and linear indexing.
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52 //! Indexing starts at 0. Arrays are column-major order as in Fortran.
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53 //!
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54 //! @code{.cc}
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55 //! // 3 D Array with 10 rows, 20 columns, and 5 pages, filled with 7.0
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56 //! Array<double> A Array<double (dim_vector (10, 20, 5), 7.0);
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57 //!
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58 //! // set value for row 0, column 10, and page 3
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59 //! A(0, 10, 3) = 2.5;
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60 //!
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61 //! // get value for row 1, column 2, and page 0
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62 //! double v = A(1, 2, 0);
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63 //!
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64 //! // get value for 25th element (row 4, column 3, page 1)
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65 //! double v = A(24);
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66 //! @endcode
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67 //!
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68 //! ## Notes on STL compatibility
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69 //!
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70 //! ### size() and length()
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71 //!
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72 //! To access the total number of elements in an Array, use numel()
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73 //! which is short for number of elements and is equivalent to the
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74 //! Octave function with same name.
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75 //!
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76 //! @code{.cc}
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77 //! Array<int> A (dim_vector (10, 20, 4), 1);
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78 //!
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79 //! octave_idx_type n = A.numel (); // returns 800 (10x20x4)
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80 //!
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81 //! octave_idx_type nr = A.size (0); // returns 10 (number of rows/dimension 0)
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82 //! octave_idx_type nc = A.size (1); // returns 20 (number of columns)
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83 //! octave_idx_type nc = A.size (2); // returns 4 (size of dimension 3)
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84 //! octave_idx_type l6 = A.size (6); // returns 1 (implicit singleton dimension)
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85 //!
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86 //! // Alternatively, get a dim_vector which represents the dimensions.
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87 //! dim_vector dims = A.dims ();
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88 //! @endcode
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89 //!
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90 //! The methods size() and length() as they exist in the STL cause
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91 //! confusion in the context of a N dimensional array.
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92 //!
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93 //! The size() of an array is the length of all dimensions. In Octave,
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94 //! the size() function returns a row vector with the length of each
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95 //! dimension, or the size of a specific dimension. Only the latter is
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96 //! present in liboctave.
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97 //!
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98 //! Since there is more than 1 dimension, length() would not make sense
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99 //! without expliciting which dimension. If the function existed, which
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100 //! length should it return? Octave length() function returns the length
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101 //! of the longest dimension which is an odd definition, only useful for
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102 //! vectors and square matrices. The alternatives numel(), rows(),
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103 //! columns(), and size(d) are more explicit and recommended.
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104 //!
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105 //! ### size_type
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106 //!
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107 //! Array::size_type is 'octave_idx_type' which is a typedef for 'int'
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108 //! or 'long int', depending whether Octave was configured for 64-bit
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109 //! indexing.
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110 //!
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111 //! This is a signed integer which may cause problems when mixed with
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112 //! STL containers. The reason is that Octave interacts with Fortran
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113 //! routines, providing an interface many Fortran numeric libraries.
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114 //!
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115 //! ## Subclasses
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116 //!
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117 //! The following subclasses specializations, will be of most use:
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118 //! - Matrix: Array<double> with only 2 dimensions
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119 //! - ComplexMatrix: Array<std::complex<double>> with only 2 dimensions
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120 //! - boolNDArray: N dimensional Array<bool>
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121 //! - ColumnVector: Array<double> with 1 column
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122 //! - string_vector: Array<std::string> with 1 column
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123 //! - Cell: Array<octave_value>, equivalent to an Octave cell.
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124
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125 template <typename T>
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126 class
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127 Array
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128 {
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129 protected:
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130
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131 //! The real representation of all arrays.
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132 class ArrayRep
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133 {
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134 public:
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135
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136 T *data;
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137 octave_idx_type len;
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138 octave::refcount<octave_idx_type> count;
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139
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140 ArrayRep (T *d, octave_idx_type l)
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141 : data (new T [l]), len (l), count (1)
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142 {
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143 std::copy_n (d, l, data);
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144 }
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145
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146 template <typename U>
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147 ArrayRep (U *d, octave_idx_type l)
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148 : data (new T [l]), len (l), count (1)
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149 {
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150 std::copy_n (d, l, data);
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151 }
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152
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153 // Use new instead of setting data to 0 so that fortran_vec and
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154 // data always return valid addresses, even for zero-size arrays.
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155
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156 ArrayRep (void) : data (new T [0]), len (0), count (1) { }
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157
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158 explicit ArrayRep (octave_idx_type n)
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159 : data (new T [n]), len (n), count (1) { }
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160
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161 explicit ArrayRep (octave_idx_type n, const T& val)
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162 : data (new T [n]), len (n), count (1)
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163 {
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164 std::fill_n (data, n, val);
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165 }
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166
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167 ArrayRep (const ArrayRep& a)
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168 : data (new T [a.len]), len (a.len), count (1)
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169 {
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170 std::copy_n (a.data, a.len, data);
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171 }
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172
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173 ~ArrayRep (void) { delete [] data; }
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174
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175 octave_idx_type numel (void) const { return len; }
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176
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177 private:
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178
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179 // No assignment!
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180
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181 ArrayRep& operator = (const ArrayRep& a);
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182 };
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183
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184 //--------------------------------------------------------------------
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185
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186 public:
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187
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188 void make_unique (void)
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189 {
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190 if (rep->count > 1)
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191 {
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192 ArrayRep *r = new ArrayRep (slice_data, slice_len);
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193
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194 if (--rep->count == 0)
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195 delete rep;
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196
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197 rep = r;
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198 slice_data = rep->data;
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199 }
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200 }
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201
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202 typedef T element_type;
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203
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204 typedef T value_type;
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205
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206 //! Used for operator(), and returned by numel() and size()
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207 //! (beware: signed integer)
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208 typedef octave_idx_type size_type;
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209
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210 typedef typename ref_param<T>::type crefT;
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211
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212 typedef bool (*compare_fcn_type) (typename ref_param<T>::type,
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213 typename ref_param<T>::type);
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214
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215 protected:
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216
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217 dim_vector dimensions;
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218
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219 typename Array<T>::ArrayRep *rep;
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220
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221 // Rationale:
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222 // slice_data is a pointer to rep->data, denoting together with slice_len the
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223 // actual portion of the data referenced by this Array<T> object. This
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224 // allows to make shallow copies not only of a whole array, but also of
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225 // contiguous subranges. Every time rep is directly manipulated, slice_data
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226 // and slice_len need to be properly updated.
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227
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228 T *slice_data;
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229 octave_idx_type slice_len;
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230
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231 //! slice constructor
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232 Array (const Array<T>& a, const dim_vector& dv,
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233 octave_idx_type l, octave_idx_type u)
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234 : dimensions (dv), rep(a.rep), slice_data (a.slice_data+l), slice_len (u-l)
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235 {
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236 rep->count++;
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237 dimensions.chop_trailing_singletons ();
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238 }
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239
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240 private:
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241
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242 static typename Array<T>::ArrayRep *nil_rep (void);
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243
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244 protected:
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245
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246 //! For jit support
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247 Array (T *sdata, octave_idx_type slen, octave_idx_type *adims, void *arep)
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248 : dimensions (adims),
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249 rep (reinterpret_cast<typename Array<T>::ArrayRep *> (arep)),
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250 slice_data (sdata), slice_len (slen) { }
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251
228
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252 public:
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253
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254 //! Empty ctor (0 by 0).
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255 Array (void)
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256 : dimensions (), rep (nil_rep ()), slice_data (rep->data),
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257 slice_len (rep->len)
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258 {
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259 rep->count++;
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260 }
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261
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262 //! nD uninitialized ctor.
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263 explicit Array (const dim_vector& dv)
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264 : dimensions (dv),
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265 rep (new typename Array<T>::ArrayRep (dv.safe_numel ())),
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266 slice_data (rep->data), slice_len (rep->len)
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267 {
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268 dimensions.chop_trailing_singletons ();
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269 }
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270
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271 //! nD initialized ctor.
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272 explicit Array (const dim_vector& dv, const T& val)
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273 : dimensions (dv),
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274 rep (new typename Array<T>::ArrayRep (dv.safe_numel ())),
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275 slice_data (rep->data), slice_len (rep->len)
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276 {
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277 fill (val);
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278 dimensions.chop_trailing_singletons ();
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279 }
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280
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281 //! Reshape constructor.
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282 Array (const Array<T>& a, const dim_vector& dv);
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283
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284 //! Constructor from standard library sequence containers.
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285 template<template <typename...> class Container>
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286 Array (const Container<T>& a, const dim_vector& dv);
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287
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288 //! Type conversion case.
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289 template <typename U>
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290 Array (const Array<U>& a)
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291 : dimensions (a.dims ()),
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292 rep (new typename Array<T>::ArrayRep (a.data (), a.numel ())),
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293 slice_data (rep->data), slice_len (rep->len)
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294 { }
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295
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296 //! No type conversion case.
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297 Array (const Array<T>& a)
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298 : dimensions (a.dimensions), rep (a.rep), slice_data (a.slice_data),
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299 slice_len (a.slice_len)
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300 {
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301 rep->count++;
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302 }
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303
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304 Array (Array<T>&& a)
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305 : dimensions (std::move (a.dimensions)), rep (a.rep),
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306 slice_data (a.slice_data), slice_len (a.slice_len)
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307 {
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308 a.rep = nullptr;
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309 a.slice_data = nullptr;
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310 a.slice_len = 0;
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311 }
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312
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313 public:
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314
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315 virtual ~Array (void)
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316 {
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317 // Because we define a move constructor and a move assignment
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318 // operator, rep may be a nullptr here. We should only need to
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319 // protect the move assignment operator in a similar way.
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320
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321 if (rep && --rep->count == 0)
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322 delete rep;
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323 }
228
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324
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325 Array<T>& operator = (const Array<T>& a)
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326 {
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327 if (this != &a)
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328 {
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329 if (--rep->count == 0)
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330 delete rep;
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331
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332 rep = a.rep;
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333 rep->count++;
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334
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335 dimensions = a.dimensions;
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336 slice_data = a.slice_data;
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337 slice_len = a.slice_len;
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338 }
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339
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340 return *this;
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341 }
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342
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343 Array<T>& operator = (Array<T>&& a)
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344 {
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345 if (this != &a)
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346 {
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347 dimensions = std::move (a.dimensions);
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348
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349 // Because we define a move constructor and a move assignment
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350 // operator, rep may be a nullptr here. We should only need to
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351 // protect the destructor in a similar way.
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352
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353 if (rep && --rep->count == 0)
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354 delete rep;
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355
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356 rep = a.rep;
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357 slice_data = a.slice_data;
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358 slice_len = a.slice_len;
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359
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360 a.rep = nullptr;
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361 a.slice_data = nullptr;
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362 a.slice_len = 0;
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363 }
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364
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365 return *this;
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366 }
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367
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368 void fill (const T& val);
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369
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370 void clear (void);
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371 void clear (const dim_vector& dv);
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372
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373 void clear (octave_idx_type r, octave_idx_type c)
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374 { clear (dim_vector (r, c)); }
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375
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376 //! Number of elements in the array.
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377 octave_idx_type numel (void) const { return slice_len; }
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378 //@}
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379
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380 //! Return the array as a column vector.
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381 Array<T> as_column (void) const
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382 {
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383 Array<T> retval (*this);
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384 if (dimensions.ndims () != 2 || dimensions(1) != 1)
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385 retval.dimensions = dim_vector (numel (), 1);
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386
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387 return retval;
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388 }
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389
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390 //! Return the array as a row vector.
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391 Array<T> as_row (void) const
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392 {
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393 Array<T> retval (*this);
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394 if (dimensions.ndims () != 2 || dimensions(0) != 1)
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395 retval.dimensions = dim_vector (1, numel ());
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396
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397 return retval;
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398 }
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399
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400 //! Return the array as a matrix.
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401 Array<T> as_matrix (void) const
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402 {
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403 Array<T> retval (*this);
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404 if (dimensions.ndims () != 2)
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diff changeset
405 retval.dimensions = dimensions.redim (2);
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parents: 10312
diff changeset
406
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diff changeset
407 return retval;
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parents: 17744
diff changeset
408 }
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diff changeset
409
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diff changeset
410 //! @name First dimension
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411 //!
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412 //! Get the first dimension of the array (number of rows)
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413 //@{
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414 octave_idx_type dim1 (void) const { return dimensions(0); }
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415 octave_idx_type rows (void) const { return dim1 (); }
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diff changeset
416 //@}
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417
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418 //! @name Second dimension
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419 //!
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420 //! Get the second dimension of the array (number of columns)
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421 //@{
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422 octave_idx_type dim2 (void) const { return dimensions(1); }
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423 octave_idx_type cols (void) const { return dim2 (); }
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424 octave_idx_type columns (void) const { return dim2 (); }
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425 //@}
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426
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diff changeset
427 //! @name Third dimension
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428 //!
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429 //! Get the third dimension of the array (number of pages)
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diff changeset
430 //@{
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431 octave_idx_type dim3 (void) const { return dimensions(2); }
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432 octave_idx_type pages (void) const { return dim3 (); }
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433 //@}
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434
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435 //! Size of the specified dimension.
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436 //!
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437 //! Dimensions beyond the Array number of dimensions return 1 as
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parents: 24534
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438 //! those are implicit singleton dimensions.
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439 //!
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diff changeset
440 //! Equivalent to Octave's 'size (A, DIM)'
22279
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441
3bb1dc8b723e Array: new typedef size_type and value_type, and new method size(dimension).
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442 size_type size (const size_type d) const
3bb1dc8b723e Array: new typedef size_type and value_type, and new method size(dimension).
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443 {
3bb1dc8b723e Array: new typedef size_type and value_type, and new method size(dimension).
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diff changeset
444 // Should we throw for negative values?
3bb1dc8b723e Array: new typedef size_type and value_type, and new method size(dimension).
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diff changeset
445 // Should >= ndims () be handled by dim_vector operator() instead ?
3bb1dc8b723e Array: new typedef size_type and value_type, and new method size(dimension).
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446 return d >= ndims () ? 1 : dimensions(d);
3bb1dc8b723e Array: new typedef size_type and value_type, and new method size(dimension).
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parents: 22276
diff changeset
447 }
3bb1dc8b723e Array: new typedef size_type and value_type, and new method size(dimension).
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parents: 22276
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448
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parents: 29358
diff changeset
449 std::size_t byte_size (void) const
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
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parents: 29358
diff changeset
450 { return static_cast<std::size_t> (numel ()) * sizeof (T); }
4902
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parents: 4834
diff changeset
451
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diff changeset
452 //! Return a const-reference so that dims ()(i) works efficiently.
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parents: 9025
diff changeset
453 const dim_vector& dims (void) const { return dimensions; }
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diff changeset
454
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diff changeset
455 //! Chop off leading singleton dimensions
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diff changeset
456 Array<T> squeeze (void) const;
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457
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458 octave_idx_type compute_index (octave_idx_type i, octave_idx_type j) const;
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diff changeset
459 octave_idx_type compute_index (octave_idx_type i, octave_idx_type j,
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parents: 17744
diff changeset
460 octave_idx_type k) const;
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461 octave_idx_type compute_index (const Array<octave_idx_type>& ra_idx) const;
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diff changeset
462
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diff changeset
463 octave_idx_type compute_index_unchecked (const Array<octave_idx_type>& ra_idx)
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parents: 17744
diff changeset
464 const
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a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20229
diff changeset
465 { return dimensions.compute_index (ra_idx.data (), ra_idx.numel ()); }
10645
8645b7087859 abstract scalar index checking off Array<T> (prep for struct optimizations)
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parents: 10636
diff changeset
466
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467 // No checking, even for multiple references, ever.
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parents: 2049
diff changeset
468
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parents: 14981
diff changeset
469 T& xelem (octave_idx_type n) { return slice_data[n]; }
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
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parents: 14981
diff changeset
470 crefT xelem (octave_idx_type n) const { return slice_data[n]; }
2108
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471
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472 T& xelem (octave_idx_type i, octave_idx_type j)
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diff changeset
473 { return xelem (dim1 ()*j+i); }
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diff changeset
474 crefT xelem (octave_idx_type i, octave_idx_type j) const
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parents: 17744
diff changeset
475 { return xelem (dim1 ()*j+i); }
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diff changeset
476
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diff changeset
477 T& xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k)
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478 { return xelem (i, dim2 ()*k+j); }
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diff changeset
479 crefT xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
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diff changeset
480 { return xelem (i, dim2 ()*k+j); }
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diff changeset
481
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diff changeset
482 T& xelem (const Array<octave_idx_type>& ra_idx)
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diff changeset
483 { return xelem (compute_index_unchecked (ra_idx)); }
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diff changeset
484
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parents: 9921
diff changeset
485 crefT xelem (const Array<octave_idx_type>& ra_idx) const
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diff changeset
486 { return xelem (compute_index_unchecked (ra_idx)); }
4513
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diff changeset
487
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parents: 17744
diff changeset
488 // FIXME: would be nice to fix this so that we don't unnecessarily force
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
489 // a copy, but that is not so easy, and I see no clean way to do it.
2006
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parents: 2005
diff changeset
490
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diff changeset
491 T& checkelem (octave_idx_type n);
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parents: 23461
diff changeset
492
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493 T& checkelem (octave_idx_type i, octave_idx_type j);
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diff changeset
494
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diff changeset
495 T& checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k);
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diff changeset
496
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diff changeset
497 T& checkelem (const Array<octave_idx_type>& ra_idx);
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diff changeset
498
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diff changeset
499 T& elem (octave_idx_type n)
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diff changeset
500 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
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diff changeset
501 make_unique ();
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parents: 17744
diff changeset
502 return xelem (n);
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diff changeset
503 }
2306
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parents: 2109
diff changeset
504
14846
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Rik <octave@nomad.inbox5.com>
parents: 14616
diff changeset
505 T& elem (octave_idx_type i, octave_idx_type j) { return elem (dim1 ()*j+i); }
4513
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parents: 4461
diff changeset
506
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Rik <rik@octave.org>
parents: 17744
diff changeset
507 T& elem (octave_idx_type i, octave_idx_type j, octave_idx_type k)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
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diff changeset
508 { return elem (i, dim2 ()*k+j); }
4513
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diff changeset
509
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dbateman
parents: 6708
diff changeset
510 T& elem (const Array<octave_idx_type>& ra_idx)
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parents: 17744
diff changeset
511 { return Array<T>::elem (compute_index_unchecked (ra_idx)); }
4513
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diff changeset
512
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
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diff changeset
513 T& operator () (octave_idx_type n) { return elem (n); }
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
514 T& operator () (octave_idx_type i, octave_idx_type j) { return elem (i, j); }
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
515 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
516 { return elem (i, j, k); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
517 T& operator () (const Array<octave_idx_type>& ra_idx)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
518 { return elem (ra_idx); }
2006
95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe]
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parents: 2005
diff changeset
519
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Jaroslav Hajek <highegg@gmail.com>
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diff changeset
520 crefT checkelem (octave_idx_type n) const;
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John W. Eaton <jwe@octave.org>
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diff changeset
521
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diff changeset
522 crefT checkelem (octave_idx_type i, octave_idx_type j) const;
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diff changeset
523
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diff changeset
524 crefT checkelem (octave_idx_type i, octave_idx_type j,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
525 octave_idx_type k) const;
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parents: 23461
diff changeset
526
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diff changeset
527 crefT checkelem (const Array<octave_idx_type>& ra_idx) const;
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jwe
parents: 4461
diff changeset
528
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parents: 9921
diff changeset
529 crefT elem (octave_idx_type n) const { return xelem (n); }
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diff changeset
530
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Rik <rik@octave.org>
parents: 17744
diff changeset
531 crefT elem (octave_idx_type i, octave_idx_type j) const
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
532 { return xelem (i, j); }
4513
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jwe
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diff changeset
533
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Rik <rik@octave.org>
parents: 17744
diff changeset
534 crefT elem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
535 { return xelem (i, j, k); }
4513
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jwe
parents: 4461
diff changeset
536
10075
84b0725f4b09 return class types by reference in const Array element access functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9921
diff changeset
537 crefT elem (const Array<octave_idx_type>& ra_idx) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
538 { return Array<T>::xelem (compute_index_unchecked (ra_idx)); }
4513
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jwe
parents: 4461
diff changeset
539
10075
84b0725f4b09 return class types by reference in const Array element access functions
Jaroslav Hajek <highegg@gmail.com>
parents: 9921
diff changeset
540 crefT operator () (octave_idx_type n) const { return elem (n); }
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
541 crefT operator () (octave_idx_type i, octave_idx_type j) const
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
542 { return elem (i, j); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
543 crefT operator () (octave_idx_type i, octave_idx_type j,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
544 octave_idx_type k) const
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
545 { return elem (i, j, k); }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
546 crefT operator () (const Array<octave_idx_type>& ra_idx) const
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
547 { return elem (ra_idx); }
2006
95e952f72d66 [project @ 1996-03-04 00:33:32 by jwe]
jwe
parents: 2005
diff changeset
548
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
549 // Fast extractors. All of these produce shallow copies.
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
550
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
551 //! Extract column: A(:,k+1).
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
552 Array<T> column (octave_idx_type k) const;
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
553 //! Extract page: A(:,:,k+1).
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
554 Array<T> page (octave_idx_type k) const;
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
555
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
556 //! Extract a slice from this array as a column vector: A(:)(lo+1:up).
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
557 //! Must be 0 <= lo && up <= numel. May be up < lo.
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
558 Array<T> linear_slice (octave_idx_type lo, octave_idx_type up) const;
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
559
10352
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
560 Array<T> reshape (octave_idx_type nr, octave_idx_type nc) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
561 { return Array<T> (*this, dim_vector (nr, nc)); }
10352
a3635bc1ea19 remove Array2
Jaroslav Hajek <highegg@gmail.com>
parents: 10350
diff changeset
562
9731
7b9cbaad68d6 extend Array<T>
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
563 Array<T> reshape (const dim_vector& new_dims) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
564 { return Array<T> (*this, new_dims); }
4567
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parents: 4559
diff changeset
565
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
566 Array<T> permute (const Array<octave_idx_type>& vec, bool inv = false) const;
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5105
diff changeset
567 Array<T> ipermute (const Array<octave_idx_type>& vec) const
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
568 { return permute (vec, true); }
4593
77566be8b9e9 [project @ 2003-11-11 17:25:42 by jwe]
jwe
parents: 4587
diff changeset
569
23593
a8361bc2361a maint: Deprecate is_square and replace with issquare.
Rik <rik@octave.org>
parents: 23592
diff changeset
570 bool issquare (void) const { return (dim1 () == dim2 ()); }
a8361bc2361a maint: Deprecate is_square and replace with issquare.
Rik <rik@octave.org>
parents: 23592
diff changeset
571
23577
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23487
diff changeset
572 bool isempty (void) const { return numel () == 0; }
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23487
diff changeset
573
23592
80e3bfb7bd5a maint: Deprecate is_vector and replace with isvector.
Rik <rik@octave.org>
parents: 23588
diff changeset
574 bool isvector (void) const { return dimensions.isvector (); }
80e3bfb7bd5a maint: Deprecate is_vector and replace with isvector.
Rik <rik@octave.org>
parents: 23588
diff changeset
575
23386
f1ea44e92df8 improve compatibility for single index indexing (bug #50776)
John W. Eaton <jwe@octave.org>
parents: 23220
diff changeset
576 bool is_nd_vector (void) const { return dimensions.is_nd_vector (); }
f1ea44e92df8 improve compatibility for single index indexing (bug #50776)
John W. Eaton <jwe@octave.org>
parents: 23220
diff changeset
577
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
578 Array<T> transpose (void) const;
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23615
diff changeset
579 Array<T> hermitian (T (*fcn) (const T&) = nullptr) const;
238
780cbbc57b7c [project @ 1993-11-30 20:23:04 by jwe]
jwe
parents: 228
diff changeset
580
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23443
diff changeset
581 const T * data (void) const { return slice_data; }
228
ee01ac1c7acc [project @ 1993-11-16 09:56:54 by jwe]
jwe
parents:
diff changeset
582
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23443
diff changeset
583 const T * fortran_vec (void) const { return data (); }
3952
945e8c160191 [project @ 2002-05-23 17:18:12 by jwe]
jwe
parents: 3944
diff changeset
584
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23443
diff changeset
585 T * fortran_vec (void);
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
586
9546
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9341
diff changeset
587 bool is_shared (void) { return rep->count > 1; }
1beb23d2b892 optimize op= in common cases
Jaroslav Hajek <highegg@gmail.com>
parents: 9341
diff changeset
588
21660
53728df3e4c9 maint: for clarity, call ndims() rather than length() on dimension vectors.
Rik <rik@octave.org>
parents: 21574
diff changeset
589 int ndims (void) const { return dimensions.ndims (); }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
590
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
591 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
592 //! Indexing without resizing.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
593 Array<T> index (const idx_vector& i) const;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
594
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
595 Array<T> index (const idx_vector& i, const idx_vector& j) const;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
596
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
597 Array<T> index (const Array<idx_vector>& ia) const;
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
598 //@}
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1550
diff changeset
599
14616
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
600 virtual T resize_fill_value (void) const;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
601
19006
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
602 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
603 //! Resizing (with fill).
19330
1f4455ff2329 Remove deprecated methods in liboctave.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 19326
diff changeset
604 void resize2 (octave_idx_type nr, octave_idx_type nc, const T& rfv);
1f4455ff2329 Remove deprecated methods in liboctave.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 19326
diff changeset
605 void resize2 (octave_idx_type nr, octave_idx_type nc)
14616
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
606 {
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
607 resize2 (nr, nc, resize_fill_value ());
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
608 }
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
609
19330
1f4455ff2329 Remove deprecated methods in liboctave.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 19326
diff changeset
610 void resize1 (octave_idx_type n, const T& rfv);
1f4455ff2329 Remove deprecated methods in liboctave.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 19326
diff changeset
611 void resize1 (octave_idx_type n) { resize1 (n, resize_fill_value ()); }
1f4455ff2329 Remove deprecated methods in liboctave.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 19326
diff changeset
612
14616
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
613 void resize (const dim_vector& dv, const T& rfv);
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
614 void resize (const dim_vector& dv) { resize (dv, resize_fill_value ()); }
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
615 //@}
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
616
19006
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
617 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
618 //! Indexing with possible resizing and fill
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
619
19861
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19697
diff changeset
620 // FIXME: this is really a corner case, that should better be
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8290
diff changeset
621 // handled directly in liboctinterp.
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3928
diff changeset
622
14616
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John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
623 Array<T> index (const idx_vector& i, bool resize_ok, const T& rfv) const;
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
624 Array<T> index (const idx_vector& i, bool resize_ok) const
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
625 {
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
626 return index (i, resize_ok, resize_fill_value ());
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
627 }
8290
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Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
628
17769
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Rik <rik@octave.org>
parents: 17744
diff changeset
629 Array<T> index (const idx_vector& i, const idx_vector& j, bool resize_ok,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
630 const T& rfv) const;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
631 Array<T> index (const idx_vector& i, const idx_vector& j,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
632 bool resize_ok) const
14616
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John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
633 {
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
634 return index (i, j, resize_ok, resize_fill_value ());
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
635 }
4513
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jwe
parents: 4461
diff changeset
636
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
637 Array<T> index (const Array<idx_vector>& ia, bool resize_ok,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
638 const T& rfv) const;
14616
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
639 Array<T> index (const Array<idx_vector>& ia, bool resize_ok) const
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
640 {
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
641 return index (ia, resize_ok, resize_fill_value ());
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
642 }
19006
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parents: 17769
diff changeset
643 //@}
8290
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parents: 8179
diff changeset
644
19006
96751a74bbbb Start doxygenising sources
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parents: 17769
diff changeset
645 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
646 //! Indexed assignment (always with resize & fill).
14616
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
647 void assign (const idx_vector& i, const Array<T>& rhs, const T& rfv);
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
648 void assign (const idx_vector& i, const Array<T>& rhs)
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
649 {
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
650 assign (i, rhs, resize_fill_value ());
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
651 }
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
652
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
653 void assign (const idx_vector& i, const idx_vector& j, const Array<T>& rhs,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
654 const T& rfv);
14616
13cc11418393 improve handling of default resize fill value for arrays
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parents: 14557
diff changeset
655 void assign (const idx_vector& i, const idx_vector& j, const Array<T>& rhs)
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
656 {
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
657 assign (i, j, rhs, resize_fill_value ());
13cc11418393 improve handling of default resize fill value for arrays
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parents: 14557
diff changeset
658 }
8290
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Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
659
14616
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
660 void assign (const Array<idx_vector>& ia, const Array<T>& rhs, const T& rfv);
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
661 void assign (const Array<idx_vector>& ia, const Array<T>& rhs)
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
662 {
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
663 assign (ia, rhs, resize_fill_value ());
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
664 }
19006
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diff changeset
665 //@}
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parents: 8179
diff changeset
666
19006
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
667 //@{
96751a74bbbb Start doxygenising sources
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parents: 17769
diff changeset
668 //! Deleting elements.
8290
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
669
19006
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
670 //! A(I) = [] (with a single subscript)
8290
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
671 void delete_elements (const idx_vector& i);
4530
e8d87fefd144 [project @ 2003-10-07 04:02:04 by jwe]
jwe
parents: 4518
diff changeset
672
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
673 //! A(:,...,I,...,:) = [] (>= 2 subscripts, one of them is non-colon)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
674 void delete_elements (int dim, const idx_vector& i);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
675
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
676 //! Dispatcher to the above two.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
677 void delete_elements (const Array<idx_vector>& ia);
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
678 //@}
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
679
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
680 //! Insert an array into another at a specified position. If
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
681 //! size (a) is [d1 d2 ... dN] and idx is [i1 i2 ... iN], this
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
682 //! method is equivalent to x(i1:i1+d1-1, i2:i2+d2-1, ... ,
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
683 //! iN:iN+dN-1) = a.
10115
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10095
diff changeset
684 Array<T>& insert (const Array<T>& a, const Array<octave_idx_type>& idx);
3928
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe]
jwe
parents: 3836
diff changeset
685
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
686 //! This is just a special case for idx = [r c 0 ...]
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
687 Array<T>& insert (const Array<T>& a, octave_idx_type r, octave_idx_type c);
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3928
diff changeset
688
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
689 void maybe_economize (void)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
690 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
691 if (rep->count == 1 && slice_len != rep->len)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
692 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
693 ArrayRep *new_rep = new ArrayRep (slice_data, slice_len);
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
694 delete rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
695 rep = new_rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
696 slice_data = rep->data;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
697 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
698 }
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
699
4517
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe]
jwe
parents: 4513
diff changeset
700 void print_info (std::ostream& os, const std::string& prefix) const;
5900
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
701
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
702 //! Give a pointer to the data in mex format. Unsafe. This function
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
703 //! exists to support the MEX interface. You should not use it
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
704 //! anywhere else.
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23443
diff changeset
705 void * mex_get_data (void) const { return const_cast<T *> (data ()); }
7433
402168152bb9 [project @ 2008-01-31 18:59:09 by dbateman]
dbateman
parents: 7017
diff changeset
706
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
707 Array<T> sort (int dim = 0, sortmode mode = ASCENDING) const;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
708 Array<T> sort (Array<octave_idx_type> &sidx, int dim = 0,
10312
cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
709 sortmode mode = ASCENDING) const;
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
710
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
711 //! Ordering is auto-detected or can be specified.
23588
0549061d35b9 maint: Deprecate is_sorted and replace with issorted.
Rik <rik@octave.org>
parents: 23577
diff changeset
712 sortmode issorted (sortmode mode = UNSORTED) const;
0549061d35b9 maint: Deprecate is_sorted and replace with issorted.
Rik <rik@octave.org>
parents: 23577
diff changeset
713
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
714 //! Sort by rows returns only indices.
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
715 Array<octave_idx_type> sort_rows_idx (sortmode mode = ASCENDING) const;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
716
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
717 //! Ordering is auto-detected or can be specified.
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
718 sortmode is_sorted_rows (sortmode mode = UNSORTED) const;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
719
24624
ce2eb28e0a6d doc: make all Doxygen comment blocks more consistent
Mike Miller <mtmiller@octave.org>
parents: 24534
diff changeset
720 //! Do a binary lookup in a sorted array. Must not contain NaNs.
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
721 //! Mode can be specified or is auto-detected by comparing 1st and last element.
8814
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8725
diff changeset
722 octave_idx_type lookup (const T& value, sortmode mode = UNSORTED) const;
de16ebeef93d improve lookup, provide Array<T>::lookup
Jaroslav Hajek <highegg@gmail.com>
parents: 8725
diff changeset
723
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
724 //! Ditto, but for an array of values, specializing on the case when values
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
725 //! are sorted. NaNs get the value N.
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
726 Array<octave_idx_type> lookup (const Array<T>& values,
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
727 sortmode mode = UNSORTED) const;
9341
9fd5c56ce57a extend lookup capabilities
Jaroslav Hajek <highegg@gmail.com>
parents: 9201
diff changeset
728
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
729 //! Count nonzero elements.
9878
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
730 octave_idx_type nnz (void) const;
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
731
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
732 //! Find indices of (at most n) nonzero elements. If n is specified,
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
733 //! backward specifies search from backward.
19861
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19697
diff changeset
734 Array<octave_idx_type> find (octave_idx_type n = -1,
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19697
diff changeset
735 bool backward = false) const;
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 8998
diff changeset
736
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
737 //! Returns the n-th element in increasing order, using the same
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
738 //! ordering as used for sort. n can either be a scalar index or a
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
739 //! contiguous range.
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
740 Array<T> nth_element (const idx_vector& n, int dim = 0) const;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
741
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
742 //! Get the kth super or subdiagonal. The zeroth diagonal is the
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
743 //! ordinary diagonal.
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7503
diff changeset
744 Array<T> diag (octave_idx_type k = 0) const;
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7503
diff changeset
745
14557
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
746 Array<T> diag (octave_idx_type m, octave_idx_type n) const;
e8e86ae3abbc make diag (x, m, n) return a proper diagonal matrix object (bug #36099)
John W. Eaton <jwe@octave.org>
parents: 14138
diff changeset
747
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
748 //! Concatenation along a specified (0-based) dimension, equivalent
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
749 //! to cat(). dim = -1 corresponds to dim = 0 and dim = -2
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
750 //! corresponds to dim = 1, but apply the looser matching rules of
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
751 //! vertcat/horzcat.
10531
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
752 static Array<T>
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
753 cat (int dim, octave_idx_type n, const Array<T> *array_list);
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
754
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
755 //! Apply function fcn to each element of the Array<T>. This function
21567
3d25f9f4a62b maint: Eliminate Britishicisms in the code.
Rik <rik@octave.org>
parents: 21244
diff changeset
756 //! is optimized with a manually unrolled loop.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
757 template <typename U, typename F>
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
758 Array<U>
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
759 map (F fcn) const
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
760 {
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20229
diff changeset
761 octave_idx_type len = numel ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
762
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
763 const T *m = data ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
764
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
765 Array<U> result (dims ());
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
766 U *p = result.fortran_vec ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
767
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
768 octave_idx_type i;
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
769 for (i = 0; i < len - 3; i += 4)
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
770 {
10312
cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
771 octave_quit ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
772
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
773 p[i] = fcn (m[i]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
774 p[i+1] = fcn (m[i+1]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
775 p[i+2] = fcn (m[i+2]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
776 p[i+3] = fcn (m[i+3]);
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
777 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
778
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 10115
diff changeset
779 octave_quit ();
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
780
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
781 for (; i < len; i++)
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
782 p[i] = fcn (m[i]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
783
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
784 return result;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
785 }
8998
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8950
diff changeset
786
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
787 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
788 //! Overloads for function references.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
789 template <typename U>
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
790 Array<U>
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
791 map (U (&fcn) (T)) const
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
792 { return map<U, U (&) (T)> (fcn); }
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
793
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
794 template <typename U>
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
795 Array<U>
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
796 map (U (&fcn) (const T&)) const
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
797 { return map<U, U (&) (const T&)> (fcn); }
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
798 //@}
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
799
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
800 //! Generic any/all test functionality with arbitrary predicate.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
801 template <typename F, bool zero>
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
802 bool test (F fcn) const
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
803 {
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20229
diff changeset
804 return any_all_test<F, T, zero> (fcn, data (), numel ());
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
805 }
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
806
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
807 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
808 //! Simpler calls.
21139
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John W. Eaton <jwe@octave.org>
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809 template <typename F>
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810 bool test_any (F fcn) const
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parents: 10716
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811 { return test<F, false> (fcn); }
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Jaroslav Hajek <highegg@gmail.com>
parents: 10716
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812
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John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
813 template <typename F>
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814 bool test_all (F fcn) const
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parents: 10716
diff changeset
815 { return test<F, true> (fcn); }
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parents: 17769
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816 //@}
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parents: 10716
diff changeset
817
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
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818 //@{
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parents: 17769
diff changeset
819 //! Overloads for function references.
11010
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diff changeset
820 bool test_any (bool (&fcn) (T)) const
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821 { return test<bool (&) (T), false> (fcn); }
9478b216752e simplify more array tests
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diff changeset
822
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Jaroslav Hajek <highegg@gmail.com>
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823 bool test_any (bool (&fcn) (const T&)) const
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
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824 { return test<bool (&) (const T&), false> (fcn); }
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
825
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Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
826 bool test_all (bool (&fcn) (T)) const
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Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
827 { return test<bool (&) (T), true> (fcn); }
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Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
828
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parents: 10716
diff changeset
829 bool test_all (bool (&fcn) (const T&)) const
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parents: 10716
diff changeset
830 { return test<bool (&) (const T&), true> (fcn); }
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parents: 17769
diff changeset
831 //@}
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parents: 10716
diff changeset
832
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John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
833 template <typename U> friend class Array;
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Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
834
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835 //! Returns true if this->dims () == dv, and if so, replaces this->dimensions
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
836 //! by a shallow copy of dv. This is useful for maintaining several arrays
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21660
diff changeset
837 //! with supposedly equal dimensions (e.g. structs in the interpreter).
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Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
838 bool optimize_dimensions (const dim_vector& dv);
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parents: 10673
diff changeset
839
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840 //@{
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parents: 17769
diff changeset
841 //! WARNING: Only call these functions from jit
19330
1f4455ff2329 Remove deprecated methods in liboctave.
Kai T. Ohlhus <k.ohlhus@gmail.com>
parents: 19326
diff changeset
842
27447
396996f1dad0 use std::atomic to implement refcount class
John W. Eaton <jwe@octave.org>
parents: 27446
diff changeset
843 int jit_ref_count (void) { return rep->count.value (); }
14951
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Max Brister <max@2bass.com>
parents: 14616
diff changeset
844
23446
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Rik <rik@octave.org>
parents: 23443
diff changeset
845 T * jit_slice_data (void) const { return slice_data; }
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Max Brister <max@2bass.com>
parents: 14616
diff changeset
846
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Rik <rik@octave.org>
parents: 23443
diff changeset
847 octave_idx_type * jit_dimensions (void) const { return dimensions.to_jit (); }
14951
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Max Brister <max@2bass.com>
parents: 14616
diff changeset
848
23446
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Rik <rik@octave.org>
parents: 23443
diff changeset
849 void * jit_array_rep (void) const { return rep; }
19006
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850 //@}
14951
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Max Brister <max@2bass.com>
parents: 14616
diff changeset
851
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Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
852 private:
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parents: 9046
diff changeset
853 static void instantiation_guard ();
4513
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jwe
parents: 4461
diff changeset
854 };
4459
75ee1995d2b4 [project @ 2003-07-11 17:46:41 by jwe]
jwe
parents: 4192
diff changeset
855
22139
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
856 // We use a variadic template for template template parameter so that
f8212eb6da00 Array: add constructor from std sequence containers (patch 9047)
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parents: 22022
diff changeset
857 // we don't have to specify all the template parameters and limit this
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
858 // to Container<T>. http://stackoverflow.com/a/20499809/1609556
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
859 template<typename T>
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
860 template<template <typename...> class Container>
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parents: 22022
diff changeset
861 Array<T>::Array (const Container<T>& a, const dim_vector& dv)
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parents: 22022
diff changeset
862 : dimensions (dv), rep (new typename Array<T>::ArrayRep (dv.safe_numel ())),
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parents: 22022
diff changeset
863 slice_data (rep->data), slice_len (rep->len)
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
864 {
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
865 if (dimensions.safe_numel () != octave_idx_type (a.size ()))
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
866 {
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
867 std::string new_dims_str = dimensions.str ();
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
868
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
869 (*current_liboctave_error_handler)
26569
0e77df67b522 Add static compile-time checking of printf functions in liboctave.
Markus Mützel <markus.muetzel@gmx.de>
parents: 26376
diff changeset
870 ("reshape: can't reshape %zi elements into %s array",
22139
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
871 a.size (), new_dims_str.c_str ());
f8212eb6da00 Array: add constructor from std sequence containers (patch 9047)
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parents: 22022
diff changeset
872 }
f8212eb6da00 Array: add constructor from std sequence containers (patch 9047)
Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
873
f8212eb6da00 Array: add constructor from std sequence containers (patch 9047)
Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
874 octave_idx_type i = 0;
f8212eb6da00 Array: add constructor from std sequence containers (patch 9047)
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parents: 22022
diff changeset
875 for (const T& x : a)
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
876 slice_data[i++] = x;
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
877
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Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
878 dimensions.chop_trailing_singletons ();
f8212eb6da00 Array: add constructor from std sequence containers (patch 9047)
Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
879 }
f8212eb6da00 Array: add constructor from std sequence containers (patch 9047)
Carnë Draug <carandraug@octave.org>
parents: 22022
diff changeset
880
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John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
881 template <typename T>
9732
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Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
882 std::ostream&
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parents: 9731
diff changeset
883 operator << (std::ostream& os, const Array<T>& a);
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
884
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
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parents: 9732
diff changeset
885 #endif