annotate liboctave/array/Array.h @ 21244:1473547f50f5

include octave-config.h in public header files * mk-opts.pl, mkbuiltins, mk-ops.awk, sparse-mk-ops.awk: Emit "#include octave-config.h" statement for generated header files. * build-env.h, builtins.h, Cell.h, base-text-renderer.h, c-file-ptr-stream.h, cdisplay.h, comment-list.h, data.h, debug.h, defaults.in.h, defun-dld.h, defun-int.h, defun.h, dirfns.h, display.h, dynamic-ld.h, error.h, errwarn.h, event-queue.h, file-io.h, ft-text-renderer.h, gl-render.h, gl2ps-print.h, graphics.in.h, gripes.h, help.h, hook-fcn.h, input.h, jit-ir.h, jit-typeinfo.h, jit-util.h, load-path.h, load-save.h, ls-ascii-helper.h, ls-hdf5.h, ls-mat-ascii.h, ls-mat4.h, ls-mat5.h, ls-oct-binary.h, ls-oct-text.h, ls-utils.h, mex.h, mexproto.h, mxarray.in.h, oct-errno.h, oct-fstrm.h, oct-handle.h, oct-hdf5-types.h, oct-hdf5.h, oct-hist.h, oct-iostrm.h, oct-lvalue.h, oct-map.h, oct-obj.h, oct-opengl.h, oct-prcstrm.h, oct-procbuf.h, oct-stdstrm.h, oct-stream.h, oct-strstrm.h, oct.h, octave-default-image.h, octave-link.h, octave-preserve-stream-state.h, pager.h, pr-output.h, procstream.h, profiler.h, pt-jit.h, sighandlers.h, siglist.h, sparse-xdiv.h, sparse-xpow.h, symtab.h, sysdep.h, text-renderer.h, toplev.h, txt-eng.h, utils.h, variables.h, workspace-element.h, xdiv.h, xnorm.h, xpow.h, zfstream.h, oct-qhull.h, ov-base-diag.h, ov-base-int.h, ov-base-mat.h, ov-base-scalar.h, ov-base-sparse.h, ov-base.h, ov-bool-mat.h, ov-bool-sparse.h, ov-bool.h, ov-builtin.h, ov-cell.h, ov-ch-mat.h, ov-class.h, ov-classdef.h, ov-colon.h, ov-complex.h, ov-cs-list.h, ov-cx-diag.h, ov-cx-mat.h, ov-cx-sparse.h, ov-dld-fcn.h, ov-fcn-handle.h, ov-fcn-inline.h, ov-fcn.h, ov-float.h, ov-flt-complex.h, ov-flt-cx-diag.h, ov-flt-cx-mat.h, ov-flt-re-diag.h, ov-flt-re-mat.h, ov-int-traits.h, ov-int16.h, ov-int32.h, ov-int64.h, ov-int8.h, ov-intx.h, ov-java.h, ov-lazy-idx.h, ov-mex-fcn.h, ov-null-mat.h, ov-oncleanup.h, ov-perm.h, ov-range.h, ov-re-diag.h, ov-re-mat.h, ov-re-sparse.h, ov-scalar.h, ov-str-mat.h, ov-struct.h, ov-type-conv.h, ov-typeinfo.h, ov-uint16.h, ov-uint32.h, ov-uint64.h, ov-uint8.h, ov-usr-fcn.h, ov.h, ovl.h, octave.h, op-int.h, ops.h, options-usage.h, lex.h, parse.h, pt-all.h, pt-arg-list.h, pt-array-list.h, pt-assign.h, pt-binop.h, pt-bp.h, pt-cbinop.h, pt-cell.h, pt-check.h, pt-classdef.h, pt-cmd.h, pt-colon.h, pt-const.h, pt-decl.h, pt-eval.h, pt-except.h, pt-exp.h, pt-fcn-handle.h, pt-funcall.h, pt-id.h, pt-idx.h, pt-jump.h, pt-loop.h, pt-mat.h, pt-misc.h, pt-pr-code.h, pt-select.h, pt-stmt.h, pt-unop.h, pt-walk.h, pt.h, token.h, version.in.h, Array-util.h, Array.h, CColVector.h, CDiagMatrix.h, CMatrix.h, CNDArray.h, CRowVector.h, CSparse.h, DiagArray2.h, MArray.h, MDiagArray2.h, MSparse.h, Matrix.h, MatrixType.h, PermMatrix.h, Range.h, Sparse.h, boolMatrix.h, boolNDArray.h, boolSparse.h, chMatrix.h, chNDArray.h, dColVector.h, dDiagMatrix.h, dMatrix.h, dNDArray.h, dRowVector.h, dSparse.h, dim-vector.h, fCColVector.h, fCDiagMatrix.h, fCMatrix.h, fCNDArray.h, fCRowVector.h, fColVector.h, fDiagMatrix.h, fMatrix.h, fNDArray.h, fRowVector.h, idx-vector.h, int16NDArray.h, int32NDArray.h, int64NDArray.h, int8NDArray.h, intNDArray.h, uint16NDArray.h, uint32NDArray.h, uint64NDArray.h, uint8NDArray.h, f77-fcn.h, lo-error.h, quit.h, CmplxAEPBAL.h, CmplxCHOL.h, CmplxGEPBAL.h, CmplxHESS.h, CmplxLU.h, CmplxQR.h, CmplxQRP.h, CmplxSCHUR.h, CmplxSVD.h, CollocWt.h, DAE.h, DAEFunc.h, DAERT.h, DAERTFunc.h, DASPK.h, DASRT.h, DASSL.h, DET.h, EIG.h, LSODE.h, ODE.h, ODEFunc.h, ODES.h, ODESFunc.h, Quad.h, base-aepbal.h, base-dae.h, base-de.h, base-lu.h, base-min.h, base-qr.h, bsxfun-decl.h, bsxfun.h, dbleAEPBAL.h, dbleCHOL.h, dbleGEPBAL.h, dbleHESS.h, dbleLU.h, dbleQR.h, dbleQRP.h, dbleSCHUR.h, dbleSVD.h, eigs-base.h, fCmplxAEPBAL.h, fCmplxCHOL.h, fCmplxGEPBAL.h, fCmplxHESS.h, fCmplxLU.h, fCmplxQR.h, fCmplxQRP.h, fCmplxSCHUR.h, fCmplxSVD.h, fEIG.h, floatAEPBAL.h, floatCHOL.h, floatGEPBAL.h, floatHESS.h, floatLU.h, floatQR.h, floatQRP.h, floatSCHUR.h, floatSVD.h, lo-mappers.h, lo-specfun.h, oct-convn.h, oct-fftw.h, oct-norm.h, oct-rand.h, oct-spparms.h, randgamma.h, randmtzig.h, randpoisson.h, sparse-chol.h, sparse-dmsolve.h, sparse-lu.h, sparse-qr.h, Sparse-diag-op-defs.h, Sparse-op-decls.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mx-base.h, mx-defs.h, mx-ext.h, mx-op-decl.h, mx-op-defs.h, dir-ops.h, file-ops.h, file-stat.h, lo-sysdep.h, mach-info.h, oct-env.h, oct-group.h, oct-openmp.h, oct-passwd.h, oct-syscalls.h, oct-time.h, oct-uname.h, pathlen.h, sysdir.h, syswait.h, action-container.h, base-list.h, byte-swap.h, caseless-str.h, cmd-edit.h, cmd-hist.h, data-conv.h, functor.h, glob-match.h, lo-array-errwarn.h, lo-array-gripes.h, lo-cutils.h, lo-ieee.h, lo-macros.h, lo-math.h, lo-regexp.h, lo-traits.h, lo-utils.h, oct-alloc.h, oct-base64.h, oct-binmap.h, oct-cmplx.h, oct-glob.h, oct-inttypes.h, oct-locbuf.h, oct-mutex.h, oct-refcount.h, oct-rl-edit.h, oct-rl-hist.h, oct-shlib.h, oct-sort.h, oct-sparse.h, pathsearch.h, singleton-cleanup.h, sparse-sort.h, sparse-util.h, statdefs.h, str-vec.h, sun-utils.h, unwind-prot.h, url-transfer.h: Include octave-config.h.
author John W. Eaton <jwe@octave.org>
date Wed, 10 Feb 2016 14:25:53 -0500
parents a83e7a384ee0
children 3d25f9f4a62b
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1 // Template array classes
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2 /*
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3
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4 Copyright (C) 1993-2015 John W. Eaton
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5 Copyright (C) 2008-2009 Jaroslav Hajek
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6 Copyright (C) 2010 VZLU Prague
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7
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8 This file is part of Octave.
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9
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10 Octave is free software; you can redistribute it and/or modify it
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11 under the terms of the GNU General Public License as published by the
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12 Free Software Foundation; either version 3 of the License, or (at your
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13 option) any later version.
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14
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15 Octave is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with Octave; see the file COPYING. If not, see
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22 <http://www.gnu.org/licenses/>.
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23
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24 */
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25
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26 #if ! defined (octave_Array_h)
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27 #define octave_Array_h 1
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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
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37 #include "dim-vector.h"
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38 #include "idx-vector.h"
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39 #include "lo-traits.h"
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40 #include "lo-utils.h"
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41 #include "oct-sort.h"
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42 #include "quit.h"
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43 #include "oct-refcount.h"
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44
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45 //! Handles the reference counting for all the derived classes.
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46 template <typename T>
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47 class
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48 Array
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49 {
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50 protected:
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51
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52 //! The real representation of all arrays.
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53 class ArrayRep
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54 {
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55 public:
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56
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57 T *data;
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58 octave_idx_type len;
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59 octave_refcount<int> count;
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61 ArrayRep (T *d, octave_idx_type l)
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62 : data (new T [l]), len (l), count (1)
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63 {
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64 std::copy (d, d+l, data);
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65 }
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67 template <typename U>
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68 ArrayRep (U *d, octave_idx_type l)
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69 : data (new T [l]), len (l), count (1)
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70 {
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71 std::copy (d, d+l, data);
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72 }
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74 ArrayRep (void) : data (0), len (0), count (1) { }
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75
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76 explicit ArrayRep (octave_idx_type n)
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77 : data (new T [n]), len (n), count (1) { }
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79 explicit ArrayRep (octave_idx_type n, const T& val)
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80 : data (new T [n]), len (n), count (1)
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81 {
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82 std::fill_n (data, n, val);
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83 }
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84
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85 ArrayRep (const ArrayRep& a)
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86 : data (new T [a.len]), len (a.len), count (1)
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87 {
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88 std::copy (a.data, a.data + a.len, data);
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89 }
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90
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91 ~ArrayRep (void) { delete [] data; }
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92
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93 octave_idx_type numel (void) const { return len; }
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94
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95 private:
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96
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97 // No assignment!
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98
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99 ArrayRep& operator = (const ArrayRep& a);
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100 };
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101
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102 //--------------------------------------------------------------------
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103
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104 public:
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105
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106 void make_unique (void)
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107 {
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108 if (rep->count > 1)
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109 {
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110 ArrayRep *r = new ArrayRep (slice_data, slice_len);
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111
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112 if (--rep->count == 0)
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113 delete rep;
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114
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115 rep = r;
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116 slice_data = rep->data;
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117 }
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118 }
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119
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120 typedef T element_type;
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121
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122 typedef typename ref_param<T>::type crefT;
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123
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124 typedef bool (*compare_fcn_type) (typename ref_param<T>::type,
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125 typename ref_param<T>::type);
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126
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127 protected:
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128
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129 dim_vector dimensions;
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130
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131 typename Array<T>::ArrayRep *rep;
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132
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133 // Rationale:
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134 // slice_data is a pointer to rep->data, denoting together with slice_len the
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135 // actual portion of the data referenced by this Array<T> object. This allows
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136 // to make shallow copies not only of a whole array, but also of contiguous
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137 // subranges. Every time rep is directly manipulated, slice_data and slice_len
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138 // need to be properly updated.
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139
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140 T* slice_data;
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141 octave_idx_type slice_len;
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142
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143 //! slice constructor
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144 Array (const Array<T>& a, const dim_vector& dv,
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145 octave_idx_type l, octave_idx_type u)
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146 : dimensions (dv), rep(a.rep), slice_data (a.slice_data+l), slice_len (u-l)
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147 {
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148 rep->count++;
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149 dimensions.chop_trailing_singletons ();
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150 }
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151
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152 private:
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153
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154 typename Array<T>::ArrayRep *nil_rep (void) const
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155 {
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156 // NR was originally allocated with new, but that does not seem
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157 // to be necessary since it will never be deleted. So just use
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158 // a static object instead.
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159
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160 static typename Array<T>::ArrayRep nr;
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161 return &nr;
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162 }
238
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163
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164 protected:
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165
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166 //! For jit support
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167 Array (T *sdata, octave_idx_type slen, octave_idx_type *adims, void *arep)
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168 : dimensions (adims),
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169 rep (reinterpret_cast<typename Array<T>::ArrayRep *> (arep)),
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170 slice_data (sdata), slice_len (slen) { }
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171
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172 public:
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173
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174 //! Empty ctor (0 by 0).
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175 Array (void)
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176 : dimensions (), rep (nil_rep ()), slice_data (rep->data),
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177 slice_len (rep->len)
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178 {
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179 rep->count++;
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180 }
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181
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182 //! nD uninitialized ctor.
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183 explicit Array (const dim_vector& dv)
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184 : dimensions (dv),
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185 rep (new typename Array<T>::ArrayRep (dv.safe_numel ())),
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186 slice_data (rep->data), slice_len (rep->len)
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187 {
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188 dimensions.chop_trailing_singletons ();
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189 }
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190
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191 //! nD initialized ctor.
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192 explicit Array (const dim_vector& dv, const T& val)
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193 : dimensions (dv),
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194 rep (new typename Array<T>::ArrayRep (dv.safe_numel ())),
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195 slice_data (rep->data), slice_len (rep->len)
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196 {
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197 fill (val);
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198 dimensions.chop_trailing_singletons ();
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199 }
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200
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201 //! Reshape constructor.
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202 Array (const Array<T>& a, const dim_vector& dv);
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203
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204 //! Type conversion case.
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205 template <typename U>
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206 Array (const Array<U>& a)
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207 : dimensions (a.dims ()),
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208 rep (new typename Array<T>::ArrayRep (a.data (), a.numel ())),
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209 slice_data (rep->data), slice_len (rep->len)
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210 { }
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211
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212 //! No type conversion case.
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213 Array (const Array<T>& a)
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214 : dimensions (a.dimensions), rep (a.rep), slice_data (a.slice_data),
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215 slice_len (a.slice_len)
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216 {
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217 rep->count++;
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218 }
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219
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220 public:
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221
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222 virtual ~Array (void)
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223 {
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224 if (--rep->count == 0)
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225 delete rep;
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226 }
228
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227
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228 Array<T>& operator = (const Array<T>& a)
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229 {
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230 if (this != &a)
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231 {
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232 if (--rep->count == 0)
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233 delete rep;
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234
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235 rep = a.rep;
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236 rep->count++;
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237
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238 dimensions = a.dimensions;
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239 slice_data = a.slice_data;
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240 slice_len = a.slice_len;
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241 }
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242
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243 return *this;
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244 }
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245
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246 void fill (const T& val);
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247
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248 void clear (void);
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249 void clear (const dim_vector& dv);
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250
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251 void clear (octave_idx_type r, octave_idx_type c)
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252 { clear (dim_vector (r, c)); }
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253
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254 // Number of elements in the array. These are all synonyms.
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255 //@{
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256 //! Number of elements in the array.
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257 //! Synonymous with numel().
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258 //! @note This method is deprecated in favour of numel().
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259 OCTAVE_DEPRECATED ("use 'numel' instead")
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260 octave_idx_type capacity (void) const { return numel (); }
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261
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262 //! Number of elements in the array.
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263 /*! Synonymous with numel().
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264 @note This method is deprecated in favour of numel().
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265
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266 @note
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267 This is @em not the same as @c %length() at the Octave interpreter.
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268 At the Octave interpreter, the function @c %length() returns the
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269 length of the greatest dimension. This method returns the total
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270 number of elements.
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271 */
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272 OCTAVE_DEPRECATED ("use 'numel' instead")
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273 octave_idx_type length (void) const { return numel (); }
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274
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275 //! Number of elements in the array.
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276 //! Synonymous with numel().
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277 //! @note This method is deprecated in favour of numel().
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278 OCTAVE_DEPRECATED ("use 'numel' instead")
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279 octave_idx_type nelem (void) const { return numel (); }
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280
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281 //! Number of elements in the array.
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282 octave_idx_type numel (void) const { return slice_len; }
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283 //@}
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284
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285 //! Return the array as a column vector.
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286 Array<T> as_column (void) const
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287 {
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288 Array<T> retval (*this);
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289 if (dimensions.length () != 2 || dimensions(1) != 1)
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290 retval.dimensions = dim_vector (numel (), 1);
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291
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292 return retval;
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293 }
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294
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295 //! Return the array as a row vector.
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296 Array<T> as_row (void) const
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297 {
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298 Array<T> retval (*this);
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299 if (dimensions.length () != 2 || dimensions(0) != 1)
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300 retval.dimensions = dim_vector (1, numel ());
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301
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302 return retval;
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303 }
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304
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305 //! Return the array as a matrix.
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306 Array<T> as_matrix (void) const
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307 {
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308 Array<T> retval (*this);
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309 if (dimensions.length () != 2)
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310 retval.dimensions = dimensions.redim (2);
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311
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312 return retval;
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313 }
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314
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315 //! @name First dimension
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316 //!
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317 //! Get the first dimension of the array (number of rows)
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318 //@{
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319 octave_idx_type dim1 (void) const { return dimensions(0); }
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320 octave_idx_type rows (void) const { return dim1 (); }
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321 //@}
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322
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323 //! @name Second dimension
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324 //!
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325 //! Get the second dimension of the array (number of columns)
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326 //@{
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327 octave_idx_type dim2 (void) const { return dimensions(1); }
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328 octave_idx_type cols (void) const { return dim2 (); }
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329 octave_idx_type columns (void) const { return dim2 (); }
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330 //@}
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331
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332 //! @name Third dimension
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333 //!
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334 //! Get the third dimension of the array (number of pages)
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335 //@{
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336 octave_idx_type dim3 (void) const { return dimensions(2); }
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337 octave_idx_type pages (void) const { return dim3 (); }
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338 //@}
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339
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340 size_t byte_size (void) const
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341 { return static_cast<size_t> (numel ()) * sizeof (T); }
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342
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343 //! Return a const-reference so that dims ()(i) works efficiently.
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344 const dim_vector& dims (void) const { return dimensions; }
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345
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346 //! Chop off leading singleton dimensions
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347 Array<T> squeeze (void) const;
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348
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349 octave_idx_type compute_index (octave_idx_type i, octave_idx_type j) const;
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350 octave_idx_type compute_index (octave_idx_type i, octave_idx_type j,
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351 octave_idx_type k) const;
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352 octave_idx_type compute_index (const Array<octave_idx_type>& ra_idx) const;
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353
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354 octave_idx_type compute_index_unchecked (const Array<octave_idx_type>& ra_idx)
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355 const
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356 { return dimensions.compute_index (ra_idx.data (), ra_idx.numel ()); }
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357
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358 // No checking, even for multiple references, ever.
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359
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360 T& xelem (octave_idx_type n) { return slice_data[n]; }
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361 crefT xelem (octave_idx_type n) const { return slice_data[n]; }
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362
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363 T& xelem (octave_idx_type i, octave_idx_type j)
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364 { return xelem (dim1 ()*j+i); }
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365 crefT xelem (octave_idx_type i, octave_idx_type j) const
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366 { return xelem (dim1 ()*j+i); }
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367
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368 T& xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k)
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369 { return xelem (i, dim2 ()*k+j); }
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370 crefT xelem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
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371 { return xelem (i, dim2 ()*k+j); }
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372
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373 T& xelem (const Array<octave_idx_type>& ra_idx)
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374 { return xelem (compute_index_unchecked (ra_idx)); }
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375
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376 crefT xelem (const Array<octave_idx_type>& ra_idx) const
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377 { return xelem (compute_index_unchecked (ra_idx)); }
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378
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379 // FIXME: would be nice to fix this so that we don't unnecessarily force
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380 // a copy, but that is not so easy, and I see no clean way to do it.
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381
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382 T& checkelem (octave_idx_type n);
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383 T& checkelem (octave_idx_type i, octave_idx_type j);
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384 T& checkelem (octave_idx_type i, octave_idx_type j, octave_idx_type k);
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385 T& checkelem (const Array<octave_idx_type>& ra_idx);
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386
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387 T& elem (octave_idx_type n)
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388 {
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389 make_unique ();
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390 return xelem (n);
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391 }
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392
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393 T& elem (octave_idx_type i, octave_idx_type j) { return elem (dim1 ()*j+i); }
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394
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395 T& elem (octave_idx_type i, octave_idx_type j, octave_idx_type k)
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396 { return elem (i, dim2 ()*k+j); }
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397
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398 T& elem (const Array<octave_idx_type>& ra_idx)
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399 { return Array<T>::elem (compute_index_unchecked (ra_idx)); }
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400
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401 #if defined (OCTAVE_ENABLE_BOUNDS_CHECK)
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402 T& operator () (octave_idx_type n) { return checkelem (n); }
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403 T& operator () (octave_idx_type i, octave_idx_type j)
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404 { return checkelem (i, j); }
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405 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k)
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406 { return checkelem (i, j, k); }
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407 T& operator () (const Array<octave_idx_type>& ra_idx)
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408 { return checkelem (ra_idx); }
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409 #else
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410 T& operator () (octave_idx_type n) { return elem (n); }
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411 T& operator () (octave_idx_type i, octave_idx_type j) { return elem (i, j); }
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412 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k)
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413 { return elem (i, j, k); }
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414 T& operator () (const Array<octave_idx_type>& ra_idx)
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415 { return elem (ra_idx); }
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416 #endif
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417
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418 crefT checkelem (octave_idx_type n) const;
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419 crefT checkelem (octave_idx_type i, octave_idx_type j) const;
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420 crefT checkelem (octave_idx_type i, octave_idx_type j,
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421 octave_idx_type k) const;
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422 crefT checkelem (const Array<octave_idx_type>& ra_idx) const;
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423
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424 crefT elem (octave_idx_type n) const { return xelem (n); }
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425
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426 crefT elem (octave_idx_type i, octave_idx_type j) const
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427 { return xelem (i, j); }
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428
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429 crefT elem (octave_idx_type i, octave_idx_type j, octave_idx_type k) const
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430 { return xelem (i, j, k); }
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431
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432 crefT elem (const Array<octave_idx_type>& ra_idx) const
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433 { return Array<T>::xelem (compute_index_unchecked (ra_idx)); }
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434
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435 #if defined (OCTAVE_ENABLE_BOUNDS_CHECK)
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436 crefT operator () (octave_idx_type n) const { return checkelem (n); }
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437 crefT operator () (octave_idx_type i, octave_idx_type j) const
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438 { return checkelem (i, j); }
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439 crefT operator () (octave_idx_type i, octave_idx_type j,
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440 octave_idx_type k) const
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441 { return checkelem (i, j, k); }
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442 crefT operator () (const Array<octave_idx_type>& ra_idx) const
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443 { return checkelem (ra_idx); }
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444 #else
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445 crefT operator () (octave_idx_type n) const { return elem (n); }
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446 crefT operator () (octave_idx_type i, octave_idx_type j) const
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447 { return elem (i, j); }
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448 crefT operator () (octave_idx_type i, octave_idx_type j,
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449 octave_idx_type k) const
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450 { return elem (i, j, k); }
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451 crefT operator () (const Array<octave_idx_type>& ra_idx) const
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452 { return elem (ra_idx); }
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453 #endif
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454
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455 // Fast extractors. All of these produce shallow copies.
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456 // Warning: none of these do check bounds, unless
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457 // OCTAVE_ENABLE_BOUNDS_CHECK is defined!
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458
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459 //! Extract column: A(:,k+1).
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460 Array<T> column (octave_idx_type k) const;
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diff changeset
461 //! Extract page: A(:,:,k+1).
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462 Array<T> page (octave_idx_type k) const;
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463
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464 //! Extract a slice from this array as a column vector: A(:)(lo+1:up).
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465 //! Must be 0 <= lo && up <= numel. May be up < lo.
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466 Array<T> linear_slice (octave_idx_type lo, octave_idx_type up) const;
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diff changeset
467
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468 Array<T> reshape (octave_idx_type nr, octave_idx_type nc) const
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469 { return Array<T> (*this, dim_vector (nr, nc)); }
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470
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471 Array<T> reshape (const dim_vector& new_dims) const
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472 { return Array<T> (*this, new_dims); }
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diff changeset
473
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474 Array<T> permute (const Array<octave_idx_type>& vec, bool inv = false) const;
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diff changeset
475 Array<T> ipermute (const Array<octave_idx_type>& vec) const
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diff changeset
476 { return permute (vec, true); }
4593
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parents: 4587
diff changeset
477
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478 bool is_square (void) const { return (dim1 () == dim2 ()); }
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diff changeset
479
4559
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diff changeset
480 bool is_empty (void) const { return numel () == 0; }
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diff changeset
481
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482 bool is_vector (void) const { return dimensions.is_vector (); }
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parents: 9025
diff changeset
483
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diff changeset
484 Array<T> transpose (void) const;
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485 Array<T> hermitian (T (*fcn) (const T&) = 0) const;
238
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diff changeset
486
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487 const T *data (void) const { return slice_data; }
228
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parents:
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488
3952
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diff changeset
489 const T *fortran_vec (void) const { return data (); }
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diff changeset
490
238
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diff changeset
491 T *fortran_vec (void);
1560
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diff changeset
492
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diff changeset
493 bool is_shared (void) { return rep->count > 1; }
1beb23d2b892 optimize op= in common cases
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diff changeset
494
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diff changeset
495 int ndims (void) const { return dimensions.length (); }
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diff changeset
496
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diff changeset
497 //@{
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diff changeset
498 //! Indexing without resizing.
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diff changeset
499 Array<T> index (const idx_vector& i) const;
1560
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parents: 1550
diff changeset
500
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diff changeset
501 Array<T> index (const idx_vector& i, const idx_vector& j) const;
7cbe01c21986 improve dense array indexing
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parents: 8179
diff changeset
502
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diff changeset
503 Array<T> index (const Array<idx_vector>& ia) const;
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diff changeset
504 //@}
1560
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diff changeset
505
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506 virtual T resize_fill_value (void) const;
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507
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diff changeset
508 //@{
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parents: 17769
diff changeset
509 //! Resizing (with fill).
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diff changeset
510 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>
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511 void resize2 (octave_idx_type nr, octave_idx_type nc)
14616
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diff changeset
512 {
13cc11418393 improve handling of default resize fill value for arrays
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parents: 14557
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513 resize2 (nr, nc, resize_fill_value ());
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
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514 }
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
515
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diff changeset
516 void resize1 (octave_idx_type n, const T& rfv);
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Kai T. Ohlhus <k.ohlhus@gmail.com>
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517 void resize1 (octave_idx_type n) { resize1 (n, resize_fill_value ()); }
1f4455ff2329 Remove deprecated methods in liboctave.
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diff changeset
518
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diff changeset
519 void resize (const dim_vector& dv, const T& rfv);
13cc11418393 improve handling of default resize fill value for arrays
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diff changeset
520 void resize (const dim_vector& dv) { resize (dv, resize_fill_value ()); }
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diff changeset
521 //@}
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diff changeset
522
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523 //@{
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parents: 17769
diff changeset
524 //! Indexing with possible resizing and fill
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
525
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19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19697
diff changeset
526 // 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
527 // handled directly in liboctinterp.
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jwe
parents: 3928
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528
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diff changeset
529
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parents: 14557
diff changeset
530 Array<T> index (const idx_vector& i, bool resize_ok, const T& rfv) const;
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John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
531 Array<T> index (const idx_vector& i, bool resize_ok) const
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parents: 14557
diff changeset
532 {
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John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
533 return index (i, resize_ok, resize_fill_value ());
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parents: 14557
diff changeset
534 }
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parents: 8179
diff changeset
535
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parents: 17744
diff changeset
536 Array<T> index (const idx_vector& i, const idx_vector& j, bool resize_ok,
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parents: 17744
diff changeset
537 const T& rfv) const;
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parents: 17744
diff changeset
538 Array<T> index (const idx_vector& i, const idx_vector& j,
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Rik <rik@octave.org>
parents: 17744
diff changeset
539 bool resize_ok) const
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John W. Eaton <jwe@octave.org>
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diff changeset
540 {
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parents: 14557
diff changeset
541 return index (i, j, resize_ok, resize_fill_value ());
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John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
542 }
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parents: 4461
diff changeset
543
17769
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parents: 17744
diff changeset
544 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
545 const T& rfv) const;
14616
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parents: 14557
diff changeset
546 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
547 {
13cc11418393 improve handling of default resize fill value for arrays
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parents: 14557
diff changeset
548 return index (ia, resize_ok, resize_fill_value ());
13cc11418393 improve handling of default resize fill value for arrays
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parents: 14557
diff changeset
549 }
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parents: 17769
diff changeset
550 //@}
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diff changeset
551
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
552
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diff changeset
553 //@{
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
554 //! Indexed assignment (always with resize & fill).
14616
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John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
555 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
556 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
557 {
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
558 assign (i, rhs, resize_fill_value ());
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John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
559 }
4513
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parents: 4461
diff changeset
560
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
561 void assign (const idx_vector& i, const idx_vector& j, const Array<T>& rhs,
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Rik <rik@octave.org>
parents: 17744
diff changeset
562 const T& rfv);
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parents: 14557
diff changeset
563 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
564 {
13cc11418393 improve handling of default resize fill value for arrays
John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
565 assign (i, j, rhs, resize_fill_value ());
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John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
566 }
8290
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parents: 8179
diff changeset
567
14616
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diff changeset
568 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
569 void assign (const Array<idx_vector>& ia, const Array<T>& rhs)
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John W. Eaton <jwe@octave.org>
parents: 14557
diff changeset
570 {
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parents: 14557
diff changeset
571 assign (ia, rhs, resize_fill_value ());
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parents: 14557
diff changeset
572 }
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diff changeset
573 //@}
8290
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diff changeset
574
19006
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diff changeset
575 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
576 //! Deleting elements.
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
577
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
578 //! A(I) = [] (with a single subscript)
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7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
579 void delete_elements (const idx_vector& i);
4530
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jwe
parents: 4518
diff changeset
580
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
581 //! 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
582 void delete_elements (int dim, const idx_vector& i);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
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diff changeset
583
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
584 //! Dispatcher to the above two.
8290
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Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
585 void delete_elements (const Array<idx_vector>& ia);
19006
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
586 //@}
4513
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parents: 4461
diff changeset
587
19006
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Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff changeset
588 //! Insert an array into another at a specified position. If
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parents: 17769
diff changeset
589 //! 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
590 //! 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
591 //! iN:iN+dN-1) = a.
10115
ed49cef7e005 simplify Array::insert methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10095
diff changeset
592 Array<T>& insert (const Array<T>& a, const Array<octave_idx_type>& idx);
3928
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe]
jwe
parents: 3836
diff changeset
593
19006
96751a74bbbb Start doxygenising sources
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parents: 17769
diff changeset
594 //! This is just a special case for idx = [r c 0 ...]
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8179
diff changeset
595 Array<T>& insert (const Array<T>& a, octave_idx_type r, octave_idx_type c);
3933
f9ea3dcf58ee [project @ 2002-05-15 03:21:00 by jwe]
jwe
parents: 3928
diff changeset
596
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
597 void maybe_economize (void)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
598 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
599 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
600 {
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
601 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
602 delete rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
603 rep = new_rep;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
604 slice_data = rep->data;
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
605 }
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
606 }
8523
ad3afaaa19c1 implement non-copying contiguous range indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8503
diff changeset
607
4517
b4449b1193ac [project @ 2003-09-20 02:06:06 by jwe]
jwe
parents: 4513
diff changeset
608 void print_info (std::ostream& os, const std::string& prefix) const;
5900
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
609
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
610 //! Give a pointer to the data in mex format. Unsafe. This function
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
611 //! exists to support the MEX interface. You should not use it
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
612 //! anywhere else.
5900
c20eb7330d13 [project @ 2006-07-22 08:31:16 by jwe]
jwe
parents: 5775
diff changeset
613 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
614
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
615 Array<T> sort (int dim = 0, sortmode mode = ASCENDING) const;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
616 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
617 sortmode mode = ASCENDING) const;
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
618
19006
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parents: 17769
diff changeset
619 //! Ordering is auto-detected or can be specified.
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
620 sortmode is_sorted (sortmode mode = UNSORTED) const;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
621
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
622 //! Sort by rows returns only indices.
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
623 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
624
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
625 //! Ordering is auto-detected or can be specified.
8721
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
626 sortmode is_sorted_rows (sortmode mode = UNSORTED) const;
e9cb742df9eb imported patch sort3.diff
Jaroslav Hajek <highegg@gmail.com>
parents: 8700
diff changeset
627
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
628 //! @brief Do a binary lookup in a sorted array. Must not contain NaNs.
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
629 //! 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
630 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
631
19006
96751a74bbbb Start doxygenising sources
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diff changeset
632 //! Ditto, but for an array of values, specializing on the case when values
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
633 //! 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
634 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
635 sortmode mode = UNSORTED) const;
9341
9fd5c56ce57a extend lookup capabilities
Jaroslav Hajek <highegg@gmail.com>
parents: 9201
diff changeset
636
19006
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diff changeset
637 //! Count nonzero elements.
9878
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
638 octave_idx_type nnz (void) const;
ead4f9c82a9a implement Array<T>::nnz
Jaroslav Hajek <highegg@gmail.com>
parents: 9840
diff changeset
639
19006
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diff changeset
640 //! Find indices of (at most n) nonzero elements. If n is specified,
96751a74bbbb Start doxygenising sources
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parents: 17769
diff changeset
641 //! backward specifies search from backward.
19861
19755f4fc851 maint: Cleanup C++ code to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19697
diff changeset
642 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
643 bool backward = false) const;
9025
484756d558d6 add Array<T>::find
Jaroslav Hajek <highegg@gmail.com>
parents: 8998
diff changeset
644
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
645 //! Returns the n-th element in increasing order, using the same
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
646 //! ordering as used for sort. n can either be a scalar index or a
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
647 //! contiguous range.
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9653
diff changeset
648 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
649
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
650 //! Get the kth super or subdiagonal. The zeroth diagonal is the
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
651 //! ordinary diagonal.
7620
36594d5bbe13 Move diag function into the octave_value class
David Bateman <dbateman@free.fr>
parents: 7503
diff changeset
652 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
653
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
654 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
655
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
656 //! Concatenation along a specified (0-based) dimension, equivalent
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
657 //! to cat(). dim = -1 corresponds to dim = 0 and dim = -2
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
658 //! 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
659 //! vertcat/horzcat.
10531
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
660 static Array<T>
2dd8ea8bfd71 basic cat functionality in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 10521
diff changeset
661 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
662
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
663 //! Apply function fcn to each element of the Array<T>. This function
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
664 //! is optimised 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
665 template <typename U, typename F>
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
666 Array<U>
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
667 map (F fcn) const
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
668 {
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20229
diff changeset
669 octave_idx_type len = numel ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
670
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
671 const T *m = data ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
672
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
673 Array<U> result (dims ());
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
674 U *p = result.fortran_vec ();
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
675
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
676 octave_idx_type i;
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
677 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
678 {
10312
cbc402e64d83 untabify liboctave header files
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
679 octave_quit ();
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
680
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
681 p[i] = fcn (m[i]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
682 p[i+1] = fcn (m[i+1]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
683 p[i+2] = fcn (m[i+2]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
684 p[i+3] = fcn (m[i+3]);
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
685 }
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
686
10142
829e69ec3110 make OCTAVE_QUIT a function
Jaroslav Hajek <highegg@gmail.com>
parents: 10115
diff changeset
687 octave_quit ();
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
688
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
689 for (; i < len; i++)
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
690 p[i] = fcn (m[i]);
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
691
7503
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
692 return result;
8c32f95c2639 convert mapper functions to new format
David Bateman <dbateman@free.fr>
parents: 7463
diff changeset
693 }
8998
a48fba01e4ac optimize isnan/isinf/isfinite mappers
Jaroslav Hajek <highegg@gmail.com>
parents: 8950
diff changeset
694
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
695 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
696 //! 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
697 template <typename U>
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
698 Array<U>
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
699 map (U (&fcn) (T)) const
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
700 { return map<U, U (&) (T)> (fcn); }
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
701
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
702 template <typename U>
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
703 Array<U>
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
704 map (U (&fcn) (const T&)) const
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
705 { return map<U, U (&) (const T&)> (fcn); }
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
706 //@}
9812
f80c566bc751 improve unary mapper system
Jaroslav Hajek <highegg@gmail.com>
parents: 9800
diff changeset
707
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
708 //! 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
709 template <typename F, bool zero>
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
710 bool test (F fcn) const
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
711 {
20232
a9574e3c6e9e Deprecate Array::length() and Sparse::length() in favour of ::numel().
Carnë Draug <carandraug@octave.org>
parents: 20229
diff changeset
712 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
713 }
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
714
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
715 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
716 //! Simpler calls.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
717 template <typename F>
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
718 bool test_any (F fcn) const
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
719 { return test<F, false> (fcn); }
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
720
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
721 template <typename F>
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
722 bool test_all (F fcn) const
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
723 { return test<F, true> (fcn); }
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
724 //@}
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
725
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
726 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
727 //! Overloads for function references.
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
728 bool test_any (bool (&fcn) (T)) const
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
729 { return test<bool (&) (T), false> (fcn); }
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
730
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
731 bool test_any (bool (&fcn) (const T&)) const
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
732 { return test<bool (&) (const T&), false> (fcn); }
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
733
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
734 bool test_all (bool (&fcn) (T)) const
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
735 { return test<bool (&) (T), true> (fcn); }
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
736
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
737 bool test_all (bool (&fcn) (const T&)) const
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
738 { return test<bool (&) (const T&), true> (fcn); }
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
739 //@}
11010
9478b216752e simplify more array tests
Jaroslav Hajek <highegg@gmail.com>
parents: 10716
diff changeset
740
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
741 template <typename U> friend class Array;
9201
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
742
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
743 //! Returns true if this->dims () == dv, and if so, replaces this->dimensions
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
744 //! by a shallow copy of dv. This is useful for maintaining several arrays with
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
745 //! supposedly equal dimensions (e.g. structs in the interpreter).
10674
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
746 bool optimize_dimensions (const dim_vector& dv);
e3064439d6b4 new Array method for internal use
Jaroslav Hajek <highegg@gmail.com>
parents: 10673
diff changeset
747
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
748 //@{
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
749 //! 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
750
14951
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14616
diff changeset
751 int *jit_ref_count (void) { return rep->count.get (); }
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14616
diff changeset
752
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14616
diff changeset
753 T *jit_slice_data (void) const { return slice_data; }
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14616
diff changeset
754
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14616
diff changeset
755 octave_idx_type *jit_dimensions (void) const { return dimensions.to_jit (); }
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14616
diff changeset
756
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14616
diff changeset
757 void *jit_array_rep (void) const { return rep; }
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
758 //@}
14951
4c9fd3e31436 Start of jit support for double matricies
Max Brister <max@2bass.com>
parents: 14616
diff changeset
759
9201
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
760 private:
472f0e22aa60 guard against implicit instantiation
Jaroslav Hajek <highegg@gmail.com>
parents: 9046
diff changeset
761 static void instantiation_guard ();
4513
508238e65af7 [project @ 2003-09-19 21:40:57 by jwe]
jwe
parents: 4461
diff changeset
762 };
4459
75ee1995d2b4 [project @ 2003-07-11 17:46:41 by jwe]
jwe
parents: 4192
diff changeset
763
19006
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
764 //! This is a simple wrapper template that will subclass an Array<T>
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
765 //! type or any later type derived from it and override the default
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
766 //! non-const operator() to not check for the array's uniqueness. It
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
767 //! is, however, the user's responsibility to ensure the array is
96751a74bbbb Start doxygenising sources
Jordi Gutiérrez Hermoso <jordigh@octave.org>
parents: 17769
diff changeset
768 //! actually unaliased whenever elements are accessed.
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
769 template <typename ArrayClass>
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
770 class NoAlias : public ArrayClass
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
771 {
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
772 typedef typename ArrayClass::element_type T;
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
773 public:
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
774 NoAlias () : ArrayClass () { }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
775
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
776 // FIXME: this would be simpler once C++0x is available
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
777 template <typename X>
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
778 explicit NoAlias (X x) : ArrayClass (x) { }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
779
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
780 template <typename X, typename Y>
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
781 explicit NoAlias (X x, Y y) : ArrayClass (x, y) { }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
782
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
783 template <typename X, typename Y, typename Z>
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
784 explicit NoAlias (X x, Y y, Z z) : ArrayClass (x, y, z) { }
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
785
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
786 T& operator () (octave_idx_type n)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
787 { return ArrayClass::xelem (n); }
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
788 T& operator () (octave_idx_type i, octave_idx_type j)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
789 { return ArrayClass::xelem (i, j); }
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
790 T& operator () (octave_idx_type i, octave_idx_type j, octave_idx_type k)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
791 { return ArrayClass::xelem (i, j, k); }
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
792 T& operator () (const Array<octave_idx_type>& ra_idx)
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
793 { return ArrayClass::xelem (ra_idx); }
9653
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
794 };
e087d7c77ff9 improve linspace in liboctave
Jaroslav Hajek <highegg@gmail.com>
parents: 9624
diff changeset
795
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21134
diff changeset
796 template <typename T>
9732
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
797 std::ostream&
b4fdfee405b5 remove ArrayN<T> + fix nonhom. diag-scalar ops
Jaroslav Hajek <highegg@gmail.com>
parents: 9731
diff changeset
798 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
799
9773
01f897d8a130 optimize memory manipulation by arrays & indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9732
diff changeset
800 #endif