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annotate liboctave/array/idx-vector.cc @ 17769:49a5a4be04a1

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maint: Use GNU style coding conventions for code in liboctave/ * liboctave/array/Array-C.cc, liboctave/array/Array-b.cc, liboctave/array/Array-ch.cc, liboctave/array/Array-d.cc, liboctave/array/Array-f.cc, liboctave/array/Array-fC.cc, liboctave/array/Array-util.cc, liboctave/array/Array-util.h, liboctave/array/Array.cc, liboctave/array/Array.h, liboctave/array/Array3.h, liboctave/array/CColVector.cc, liboctave/array/CColVector.h, liboctave/array/CDiagMatrix.cc, liboctave/array/CDiagMatrix.h, liboctave/array/CMatrix.cc, liboctave/array/CMatrix.h, liboctave/array/CNDArray.cc, liboctave/array/CNDArray.h, liboctave/array/CRowVector.cc, liboctave/array/CRowVector.h, liboctave/array/CSparse.cc, liboctave/array/CSparse.h, liboctave/array/DiagArray2.h, liboctave/array/MArray.cc, liboctave/array/MArray.h, liboctave/array/MDiagArray2.cc, liboctave/array/MDiagArray2.h, liboctave/array/MSparse.cc, liboctave/array/MSparse.h, liboctave/array/MatrixType.cc, liboctave/array/MatrixType.h, liboctave/array/PermMatrix.h, liboctave/array/Range.cc, liboctave/array/Range.h, liboctave/array/Sparse.cc, liboctave/array/Sparse.h, liboctave/array/boolMatrix.cc, liboctave/array/boolMatrix.h, liboctave/array/boolNDArray.cc, liboctave/array/boolNDArray.h, liboctave/array/boolSparse.cc, liboctave/array/boolSparse.h, liboctave/array/chMatrix.cc, liboctave/array/chMatrix.h, liboctave/array/chNDArray.cc, liboctave/array/chNDArray.h, liboctave/array/dColVector.h, liboctave/array/dDiagMatrix.cc, liboctave/array/dDiagMatrix.h, liboctave/array/dMatrix.cc, liboctave/array/dMatrix.h, liboctave/array/dNDArray.cc, liboctave/array/dNDArray.h, liboctave/array/dRowVector.h, liboctave/array/dSparse.cc, liboctave/array/dSparse.h, liboctave/array/dim-vector.cc, liboctave/array/dim-vector.h, liboctave/array/fCColVector.cc, liboctave/array/fCColVector.h, liboctave/array/fCDiagMatrix.cc, liboctave/array/fCDiagMatrix.h, liboctave/array/fCMatrix.cc, liboctave/array/fCMatrix.h, liboctave/array/fCNDArray.cc, liboctave/array/fCNDArray.h, liboctave/array/fCRowVector.cc, liboctave/array/fCRowVector.h, liboctave/array/fColVector.h, liboctave/array/fDiagMatrix.cc, liboctave/array/fDiagMatrix.h, liboctave/array/fMatrix.cc, liboctave/array/fMatrix.h, liboctave/array/fNDArray.cc, liboctave/array/fNDArray.h, liboctave/array/fRowVector.h, liboctave/array/idx-vector.cc, liboctave/array/idx-vector.h, liboctave/array/intNDArray.cc, liboctave/array/intNDArray.h, liboctave/cruft/misc/blaswrap.c, liboctave/cruft/misc/quit.cc, liboctave/numeric/CmplxCHOL.cc, liboctave/numeric/CmplxCHOL.h, liboctave/numeric/CmplxGEPBAL.cc, liboctave/numeric/CmplxGEPBAL.h, liboctave/numeric/CmplxHESS.h, liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxLU.h, liboctave/numeric/CmplxQR.cc, liboctave/numeric/CmplxQRP.cc, liboctave/numeric/CmplxQRP.h, liboctave/numeric/CmplxSCHUR.h, liboctave/numeric/CmplxSVD.cc, liboctave/numeric/CmplxSVD.h, liboctave/numeric/CollocWt.h, liboctave/numeric/DAE.h, liboctave/numeric/DAEFunc.h, liboctave/numeric/DAERT.h, liboctave/numeric/DAERTFunc.h, liboctave/numeric/DASPK.cc, liboctave/numeric/DASRT.cc, liboctave/numeric/DASRT.h, liboctave/numeric/DASSL.cc, liboctave/numeric/DET.h, liboctave/numeric/EIG.cc, liboctave/numeric/EIG.h, liboctave/numeric/LSODE.cc, liboctave/numeric/ODE.h, liboctave/numeric/ODEFunc.h, liboctave/numeric/ODES.h, liboctave/numeric/ODESFunc.h, liboctave/numeric/Quad.cc, liboctave/numeric/Quad.h, liboctave/numeric/SparseCmplxCHOL.h, liboctave/numeric/SparseCmplxLU.cc, liboctave/numeric/SparseCmplxLU.h, liboctave/numeric/SparseCmplxQR.cc, liboctave/numeric/SparseCmplxQR.h, liboctave/numeric/SparseQR.cc, liboctave/numeric/SparseQR.h, liboctave/numeric/SparsedbleCHOL.h, liboctave/numeric/SparsedbleLU.cc, liboctave/numeric/SparsedbleLU.h, liboctave/numeric/base-aepbal.h, liboctave/numeric/base-dae.h, liboctave/numeric/base-de.h, liboctave/numeric/base-lu.cc, liboctave/numeric/base-lu.h, liboctave/numeric/base-min.h, liboctave/numeric/base-qr.h, liboctave/numeric/bsxfun.h, liboctave/numeric/dbleCHOL.cc, liboctave/numeric/dbleCHOL.h, liboctave/numeric/dbleGEPBAL.h, liboctave/numeric/dbleHESS.h, liboctave/numeric/dbleLU.cc, liboctave/numeric/dbleLU.h, liboctave/numeric/dbleQR.cc, liboctave/numeric/dbleQRP.cc, liboctave/numeric/dbleQRP.h, liboctave/numeric/dbleSCHUR.cc, liboctave/numeric/dbleSCHUR.h, liboctave/numeric/dbleSVD.cc, liboctave/numeric/dbleSVD.h, liboctave/numeric/eigs-base.cc, liboctave/numeric/fCmplxAEPBAL.cc, liboctave/numeric/fCmplxAEPBAL.h, liboctave/numeric/fCmplxCHOL.cc, liboctave/numeric/fCmplxCHOL.h, liboctave/numeric/fCmplxGEPBAL.cc, liboctave/numeric/fCmplxGEPBAL.h, liboctave/numeric/fCmplxHESS.h, liboctave/numeric/fCmplxLU.cc, liboctave/numeric/fCmplxLU.h, liboctave/numeric/fCmplxQR.cc, liboctave/numeric/fCmplxQR.h, liboctave/numeric/fCmplxQRP.cc, liboctave/numeric/fCmplxQRP.h, liboctave/numeric/fCmplxSCHUR.cc, liboctave/numeric/fCmplxSCHUR.h, liboctave/numeric/fCmplxSVD.h, liboctave/numeric/fEIG.cc, liboctave/numeric/fEIG.h, liboctave/numeric/floatCHOL.cc, liboctave/numeric/floatCHOL.h, liboctave/numeric/floatGEPBAL.cc, liboctave/numeric/floatGEPBAL.h, liboctave/numeric/floatHESS.h, liboctave/numeric/floatLU.cc, liboctave/numeric/floatLU.h, liboctave/numeric/floatQR.cc, liboctave/numeric/floatQRP.cc, liboctave/numeric/floatQRP.h, liboctave/numeric/floatSCHUR.cc, liboctave/numeric/floatSCHUR.h, liboctave/numeric/floatSVD.cc, liboctave/numeric/floatSVD.h, liboctave/numeric/lo-mappers.cc, liboctave/numeric/lo-mappers.h, liboctave/numeric/lo-specfun.cc, liboctave/numeric/lo-specfun.h, liboctave/numeric/oct-convn.cc, liboctave/numeric/oct-fftw.cc, liboctave/numeric/oct-fftw.h, liboctave/numeric/oct-norm.cc, liboctave/numeric/oct-rand.cc, liboctave/numeric/oct-rand.h, liboctave/numeric/randgamma.c, liboctave/numeric/randgamma.h, liboctave/numeric/randmtzig.c, liboctave/numeric/randpoisson.c, liboctave/numeric/randpoisson.h, liboctave/numeric/sparse-base-chol.h, liboctave/numeric/sparse-base-lu.h, liboctave/numeric/sparse-dmsolve.cc, liboctave/operators/Sparse-diag-op-defs.h, liboctave/operators/Sparse-op-defs.h, liboctave/operators/mx-inlines.cc, liboctave/system/dir-ops.h, liboctave/system/file-ops.cc, liboctave/system/file-stat.cc, liboctave/system/file-stat.h, liboctave/system/lo-sysdep.cc, liboctave/system/lo-sysdep.h, liboctave/system/mach-info.cc, liboctave/system/mach-info.h, liboctave/system/oct-env.cc, liboctave/system/oct-group.cc, liboctave/system/oct-syscalls.cc, liboctave/system/oct-syscalls.h, liboctave/system/oct-time.h, liboctave/system/tempname.c, liboctave/util/action-container.h, liboctave/util/base-list.h, liboctave/util/cmd-edit.cc, liboctave/util/cmd-edit.h, liboctave/util/cmd-hist.cc, liboctave/util/cmd-hist.h, liboctave/util/data-conv.cc, liboctave/util/data-conv.h, liboctave/util/kpse.cc, liboctave/util/lo-array-gripes.cc, liboctave/util/lo-cieee.c, liboctave/util/lo-regexp.cc, liboctave/util/lo-utils.cc, liboctave/util/oct-alloc.cc, liboctave/util/oct-base64.cc, liboctave/util/oct-binmap.h, liboctave/util/oct-cmplx.h, liboctave/util/oct-glob.cc, liboctave/util/oct-inttypes.cc, liboctave/util/oct-inttypes.h, liboctave/util/oct-locbuf.cc, liboctave/util/oct-locbuf.h, liboctave/util/oct-mem.h, liboctave/util/oct-mutex.cc, liboctave/util/oct-refcount.h, liboctave/util/oct-shlib.cc, liboctave/util/oct-shlib.h, liboctave/util/oct-sort.cc, liboctave/util/oct-sort.h, liboctave/util/pathsearch.cc, liboctave/util/pathsearch.h, liboctave/util/sparse-util.cc, liboctave/util/str-vec.cc, liboctave/util/str-vec.h, liboctave/util/unwind-prot.h, liboctave/util/url-transfer.cc, liboctave/util/url-transfer.h: Use GNU style coding conventions.
author Rik <rik@octave.org>
date Sat, 26 Oct 2013 18:57:05 -0700
parents d63878346099
children 938f01339043
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1 /*
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2
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3 Copyright (C) 1993-2013 John W. Eaton
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4 Copyright (C) 2008-2009 Jaroslav Hajek
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5 Copyright (C) 2009-2010 VZLU Prague
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6
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7 This file is part of Octave.
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8
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9 Octave is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 3 of the License, or (at your
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12 option) any later version.
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13
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14 Octave is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with Octave; see the file COPYING. If not, see
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21 <http://www.gnu.org/licenses/>.
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23 */
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25 #ifdef HAVE_CONFIG_H
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26 #include <config.h>
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27 #endif
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29 #include <cstdlib>
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30
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31 #include <iostream>
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32
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33 #include "idx-vector.h"
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34 #include "Array.h"
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35 #include "Array-util.h"
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36 #include "Sparse.h"
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37 #include "Range.h"
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38
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39 #include "oct-locbuf.h"
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40 #include "lo-error.h"
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41 #include "lo-mappers.h"
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43 static void
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44 gripe_invalid_range (void)
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45 {
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46 (*current_liboctave_error_handler)
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47 ("invalid range used as index");
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48 }
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49
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50 static void
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51 gripe_index_out_of_range (void)
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52 {
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53 (*current_liboctave_error_handler)
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54 ("internal error: idx_vector index out of range");
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55 }
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56
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57 Array<octave_idx_type>
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58 idx_vector::idx_base_rep::as_array (void)
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59 {
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60 (*current_liboctave_error_handler)
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61 ("internal error: as_array not allowed for this index class");
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62
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63 return Array<octave_idx_type> ();
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64 }
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65
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66 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_colon_rep);
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67
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68 idx_vector::idx_colon_rep::idx_colon_rep (char c)
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69 {
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70 if (c != ':')
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71 {
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72 (*current_liboctave_error_handler)
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73 ("internal error: invalid character converted to idx_vector; must be ':'");
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74 err = true;
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75 }
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76 }
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77
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78 octave_idx_type
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79 idx_vector::idx_colon_rep::checkelem (octave_idx_type i) const
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80 {
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81 if (i < 0)
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82 {
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83 gripe_index_out_of_range ();
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84 return 0;
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85 }
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86 else
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87 return i;
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88 }
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89
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90 idx_vector::idx_base_rep *
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91 idx_vector::idx_colon_rep::sort_idx (Array<octave_idx_type>&)
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92 {
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93 (*current_liboctave_error_handler)
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diff changeset
94 ("internal error: idx_colon_rep::sort_idx");
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diff changeset
95
3a8c13b71612 implement special-case optimization for sort of index vectors
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diff changeset
96 count++;
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diff changeset
97 return this;
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parents: 10258
diff changeset
98 }
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diff changeset
99
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diff changeset
100 std::ostream&
8290
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diff changeset
101 idx_vector::idx_colon_rep::print (std::ostream& os) const
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diff changeset
102 {
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103 return os << ":";
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diff changeset
104 }
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diff changeset
105
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diff changeset
106 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_range_rep);
a2bcd96b9344 use allocators for idx_vector_rep subclasses
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parents: 8677
diff changeset
107
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diff changeset
108 idx_vector::idx_range_rep::idx_range_rep (octave_idx_type _start,
e317791645c4 64-bit fixes
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diff changeset
109 octave_idx_type _limit,
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diff changeset
110 octave_idx_type _step)
15018
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Rik <rik@octave.org>
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111 : start(_start), len (_step ? std::max ((_limit - _start) / _step, static_cast<octave_idx_type> (0)) : -1), step (_step)
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112 {
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113 if (len < 0)
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114 {
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115 gripe_invalid_range ();
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116 err = true;
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117 }
9757
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118 else if (start < 0 || (step < 0 && start + (len-1)*step < 0))
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119 {
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120 gripe_invalid_index ();
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121 err = true;
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122 }
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123 }
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124
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125 idx_vector::idx_range_rep::idx_range_rep (const Range& r)
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126 : start (0), len (r.nelem ()), step (1)
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127 {
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128 if (len < 0)
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129 {
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130 gripe_invalid_range ();
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131 err = true;
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132 }
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133 else if (len > 0)
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134 {
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diff changeset
135 if (r.all_elements_are_ints ())
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136 {
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137 start = static_cast<octave_idx_type> (r.base ()) - 1;
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138 step = static_cast<octave_idx_type> (r.inc ());
9124
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139 if (start < 0 || (step < 0 && start + (len-1)*step < 0))
47f19c11b558 fix checking valid range subscripts
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140 {
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141 gripe_invalid_index ();
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142 err = true;
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143 }
8290
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144 }
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145 else
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146 {
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147 gripe_invalid_index ();
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148 err = true;
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diff changeset
149 }
1
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150 }
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151 }
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152
5275
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153 octave_idx_type
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154 idx_vector::idx_range_rep::checkelem (octave_idx_type i) const
1
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155 {
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156 if (i < 0 || i >= len)
4732
b484cdca27be [project @ 2004-02-04 04:32:48 by jwe]
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parents: 4653
diff changeset
157 {
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158 gripe_index_out_of_range ();
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159 return 0;
4732
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160 }
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161 else
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162 return start + i*step;
3928
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe]
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163 }
e8627dc4bdf2 [project @ 2002-05-03 19:56:01 by jwe]
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parents: 3680
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164
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165 idx_vector::idx_base_rep *
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166 idx_vector::idx_range_rep::sort_uniq_clone (bool)
2500
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167 {
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168 if (step < 0)
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169 return new idx_range_rep (start + (len - 1)*step, len, -step, DIRECT);
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170 else
2500
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parents: 2386
diff changeset
171 {
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172 count++;
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173 return this;
2500
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174 }
1
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175 }
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176
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diff changeset
177 idx_vector::idx_base_rep *
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diff changeset
178 idx_vector::idx_range_rep::sort_idx (Array<octave_idx_type>& idx)
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179 {
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180 if (step < 0 && len > 0)
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diff changeset
181 {
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182 idx.clear (1, len);
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diff changeset
183 for (octave_idx_type i = 0; i < len; i++)
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diff changeset
184 idx.xelem (i) = len - 1 - i;
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diff changeset
185 return new idx_range_rep (start + (len - 1)*step, len, -step, DIRECT);
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diff changeset
186 }
3a8c13b71612 implement special-case optimization for sort of index vectors
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diff changeset
187 else
3a8c13b71612 implement special-case optimization for sort of index vectors
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188 {
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189 idx.clear (1, len);
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diff changeset
190 for (octave_idx_type i = 0; i < len; i++)
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191 idx.xelem (i) = i;
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diff changeset
192 count++;
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193 return this;
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diff changeset
194 }
3a8c13b71612 implement special-case optimization for sort of index vectors
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diff changeset
195 }
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diff changeset
196
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197 std::ostream&
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198 idx_vector::idx_range_rep::print (std::ostream& os) const
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199 {
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diff changeset
200 os << start << ':' << step << ':' << start + len*step;
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diff changeset
201 return os;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
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diff changeset
202 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
203
9894
83bd7f34f9da improve idx_vector->octave_value conversion
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parents: 9879
diff changeset
204 Range
83bd7f34f9da improve idx_vector->octave_value conversion
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diff changeset
205 idx_vector::idx_range_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion
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diff changeset
206 {
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diff changeset
207 return Range (static_cast<double> (start+1),
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diff changeset
208 static_cast<double> (step), len);
83bd7f34f9da improve idx_vector->octave_value conversion
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parents: 9879
diff changeset
209 }
83bd7f34f9da improve idx_vector->octave_value conversion
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parents: 9879
diff changeset
210
10339
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diff changeset
211 Array<octave_idx_type>
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diff changeset
212 idx_vector::idx_range_rep::as_array (void)
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diff changeset
213 {
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diff changeset
214 Array<octave_idx_type> retval (dim_vector (1, len));
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diff changeset
215 for (octave_idx_type i = 0; i < len; i++)
10479
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diff changeset
216 retval.xelem (i) = start + i*step;
10339
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diff changeset
217
de2d43bcb083 optimize some lazy index operations
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diff changeset
218 return retval;
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diff changeset
219 }
de2d43bcb083 optimize some lazy index operations
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diff changeset
220
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diff changeset
221 inline octave_idx_type
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diff changeset
222 convert_index (octave_idx_type i, bool& conv_error,
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diff changeset
223 octave_idx_type& ext)
1560
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diff changeset
224 {
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diff changeset
225 if (i <= 0)
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diff changeset
226 conv_error = true;
10487
942386d6d1a5 style fixes
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parents: 10486
diff changeset
227
942386d6d1a5 style fixes
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parents: 10486
diff changeset
228 if (ext < i)
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diff changeset
229 ext = i;
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diff changeset
230
8290
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231 return i - 1;
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diff changeset
232 }
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diff changeset
233
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diff changeset
234 inline octave_idx_type
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diff changeset
235 convert_index (double x, bool& conv_error, octave_idx_type& ext)
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diff changeset
236 {
9007
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diff changeset
237 octave_idx_type i = static_cast<octave_idx_type> (x);
10487
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diff changeset
238
9007
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diff changeset
239 if (static_cast<double> (i) != x)
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diff changeset
240 conv_error = true;
1
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diff changeset
241
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diff changeset
242 return convert_index (i, conv_error, ext);
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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diff changeset
243 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
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diff changeset
244
8290
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245 inline octave_idx_type
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246 convert_index (float x, bool& conv_error, octave_idx_type& ext)
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247 {
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248 return convert_index (static_cast<double> (x), conv_error, ext);
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249 }
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250
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251 template <class T>
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252 inline octave_idx_type
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253 convert_index (octave_int<T> x, bool& conv_error,
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254 octave_idx_type& ext)
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255 {
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256 octave_idx_type i = octave_int<octave_idx_type> (x).value ();
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257
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258 return convert_index (i, conv_error, ext);
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259 }
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260
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261 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_scalar_rep);
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262
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263 template <class T>
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264 idx_vector::idx_scalar_rep::idx_scalar_rep (T x)
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265 : data (0)
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266 {
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267 octave_idx_type dummy = 0;
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268
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269 data = convert_index (x, err, dummy);
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270
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271 if (err)
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272 gripe_invalid_index ();
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273 }
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274
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275 idx_vector::idx_scalar_rep::idx_scalar_rep (octave_idx_type i)
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276 : data (i)
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277 {
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278 if (data < 0)
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279 {
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280 gripe_invalid_index ();
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281 err = true;
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282 }
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283 }
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284
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285 octave_idx_type
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286 idx_vector::idx_scalar_rep::checkelem (octave_idx_type i) const
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287 {
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288 if (i != 0)
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289 gripe_index_out_of_range ();
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290
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291 return data;
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292 }
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293
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294 idx_vector::idx_base_rep *
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295 idx_vector::idx_scalar_rep::sort_idx (Array<octave_idx_type>& idx)
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296 {
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297 idx.clear (1, 1);
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298 idx.fill (0);
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299 count++;
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300 return this;
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301 }
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302
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303 std::ostream& idx_vector::idx_scalar_rep::print (std::ostream& os) const
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304 {
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305 return os << data;
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306 }
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307
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308 double
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309 idx_vector::idx_scalar_rep::unconvert (void) const
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310 {
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311 return data + 1;
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312 }
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313
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314 Array<octave_idx_type>
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315 idx_vector::idx_scalar_rep::as_array (void)
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316 {
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317 return Array<octave_idx_type> (dim_vector (1, 1), data);
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318 }
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319
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320 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_vector_rep);
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321
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322 template <class T>
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323 idx_vector::idx_vector_rep::idx_vector_rep (const Array<T>& nda)
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324 : data (0), len (nda.numel ()), ext (0), aowner (0), orig_dims (nda.dims ())
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325 {
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326 if (len != 0)
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327 {
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328 octave_idx_type *d = new octave_idx_type [len];
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329 for (octave_idx_type i = 0; i < len; i++)
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330 d[i] = convert_index (nda.xelem (i), err, ext);
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331 data = d;
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332
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333 if (err)
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334 {
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335 delete [] data;
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336 gripe_invalid_index ();
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337 }
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338 }
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339 }
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340
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341 // Note that this makes a shallow copy of the index array.
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342
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343 idx_vector::idx_vector_rep::idx_vector_rep (const Array<octave_idx_type>& inda)
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344 : data (inda.data ()), len (inda.numel ()), ext (0),
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345 aowner (new Array<octave_idx_type> (inda)), orig_dims (inda.dims ())
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346 {
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347 if (len != 0)
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348 {
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349 octave_idx_type max = -1;
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350 for (octave_idx_type i = 0; i < len; i++)
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351 {
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352 octave_idx_type k = inda.xelem (i);
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353 if (k < 0)
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354 err = true;
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355 else if (k > max)
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356 max = k;
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357 }
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358
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359 ext = max + 1;
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360
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361 if (err)
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362 gripe_invalid_index ();
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363 }
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364 }
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365
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366 idx_vector::idx_vector_rep::idx_vector_rep (const Array<octave_idx_type>& inda,
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367 octave_idx_type _ext, direct)
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368 : data (inda.data ()), len (inda.numel ()), ext (_ext),
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369 aowner (new Array<octave_idx_type> (inda)), orig_dims (inda.dims ())
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370 {
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371 // No checking.
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372 if (ext < 0)
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373 {
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374 octave_idx_type max = -1;
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375 for (octave_idx_type i = 0; i < len; i++)
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376 if (data[i] > max)
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377 max = data[i];
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378
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379 ext = max + 1;
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380 }
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381 }
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382
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383 idx_vector::idx_vector_rep::idx_vector_rep (bool b)
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384 : data (0), len (b ? 1 : 0), ext (0), aowner (0), orig_dims (len, len)
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385 {
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386 if (len != 0)
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diff changeset
387 {
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388 octave_idx_type *d = new octave_idx_type [1];
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389 d[0] = 0;
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390 data = d;
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391 ext = 1;
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392 }
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393 }
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394
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
395 idx_vector::idx_vector_rep::idx_vector_rep (const Array<bool>& bnda,
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
396 octave_idx_type nnz)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
397 : data (0), len (nnz), ext (0), aowner (0), orig_dims ()
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
398 {
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
399 if (nnz < 0)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
400 len = bnda.nnz ();
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
401
9045
ac0a23e9f5c5 more compatible indexing by logical empty matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9007
diff changeset
402 const dim_vector dv = bnda.dims ();
7774
ce52af0e4a10 all false logical indexing fix
David Bateman <dbateman@free.fr>
parents: 7727
diff changeset
403
9045
ac0a23e9f5c5 more compatible indexing by logical empty matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9007
diff changeset
404 if (! dv.all_zero ())
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
405 orig_dims = ((dv.length () == 2 && dv(0) == 1)
9045
ac0a23e9f5c5 more compatible indexing by logical empty matrices
Jaroslav Hajek <highegg@gmail.com>
parents: 9007
diff changeset
406 ? dim_vector (1, len) : dim_vector (len, 1));
7774
ce52af0e4a10 all false logical indexing fix
David Bateman <dbateman@free.fr>
parents: 7727
diff changeset
407
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
408 if (len != 0)
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
409 {
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
410 octave_idx_type *d = new octave_idx_type [len];
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
411
7572
85da2ab0c6fd logical indexing compatibility fixes
John W. Eaton <jwe@octave.org>
parents: 7425
diff changeset
412 octave_idx_type ntot = bnda.length ();
85da2ab0c6fd logical indexing compatibility fixes
John W. Eaton <jwe@octave.org>
parents: 7425
diff changeset
413
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
414 octave_idx_type k = 0;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
415 for (octave_idx_type i = 0; i < ntot; i++)
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
416 if (bnda.xelem (i))
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
417 d[k++] = i;
7572
85da2ab0c6fd logical indexing compatibility fixes
John W. Eaton <jwe@octave.org>
parents: 7425
diff changeset
418
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
419 data = d;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
420
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
421 ext = d[k-1] + 1;
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
422 }
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
423 }
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
424
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
425 idx_vector::idx_vector_rep::idx_vector_rep (const Sparse<bool>& bnda)
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
426 : data (0), len (bnda.nnz ()), ext (0), aowner (0), orig_dims ()
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
427 {
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
428 const dim_vector dv = bnda.dims ();
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
429
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
430 if (! dv.all_zero ())
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
431 orig_dims = ((dv.length () == 2 && dv(0) == 1)
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
432 ? dim_vector (1, len) : dim_vector (len, 1));
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
433
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
434 if (len != 0)
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
435 {
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
436 octave_idx_type *d = new octave_idx_type [len];
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
437
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
438 octave_idx_type k = 0;
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
439 octave_idx_type nc = bnda.cols ();
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
440 octave_idx_type nr = bnda.rows ();
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
441
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
442 for (octave_idx_type j = 0; j < nc; j++)
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
443 for (octave_idx_type i = bnda.cidx(j); i < bnda.cidx(j+1); i++)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
444 if (bnda.data (i))
16779
8fce0ed4894a Specialize is_empty and numel methods for sparse matrices (debian bug #706376)
David Bateman <dbateman@free.fr>
parents: 15271
diff changeset
445 d[k++] = j * nr + bnda.ridx (i);
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
446
8384
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
447 data = d;
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
448
a99b9113c58c optimize sparse bool indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 8379
diff changeset
449 ext = d[k-1] + 1;
2828
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
450 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
451 }
92826d6e8bd9 [project @ 1997-03-25 23:41:41 by jwe]
jwe
parents: 2800
diff changeset
452
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
453 idx_vector::idx_vector_rep::~idx_vector_rep (void)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
454 {
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
455 if (aowner)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
456 delete aowner;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
457 else
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
458 delete [] data;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
459 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
460
5275
23b37da9fd5b [project @ 2005-04-08 16:07:35 by jwe]
jwe
parents: 5108
diff changeset
461 octave_idx_type
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
462 idx_vector::idx_vector_rep::checkelem (octave_idx_type n) const
227
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
463 {
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
464 if (n < 0 || n >= len)
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
465 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
466 gripe_invalid_index ();
227
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
467 return 0;
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
468 }
1a48a1b91489 [project @ 1993-11-15 10:10:35 by jwe]
jwe
parents: 209
diff changeset
469
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
470 return xelem (n);
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
471 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
472
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
473 idx_vector::idx_base_rep *
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
474 idx_vector::idx_vector_rep::sort_uniq_clone (bool uniq)
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
475 {
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
476 if (len == 0)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
477 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
478 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
479 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
480 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
481
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
482 // This is wrapped in auto_ptr so that we don't leak on out-of-memory.
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
483 std::auto_ptr<idx_vector_rep> new_rep (
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
484 new idx_vector_rep (0, len, ext, orig_dims, DIRECT));
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
485
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
486 if (ext > len*xlog2 (1.0 + len))
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
487 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
488 // Use standard sort via octave_sort.
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
489 octave_idx_type *new_data = new octave_idx_type [len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
490 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
491
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
492 std::copy (data, data + len, new_data);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
493 octave_sort<octave_idx_type> lsort;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
494 lsort.set_compare (ASCENDING);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
495 lsort.sort (new_data, len);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
496
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
497 if (uniq)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
498 {
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
499 octave_idx_type new_len = std::unique (new_data, new_data + len)
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
500 - new_data;
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
501 new_rep->len = new_len;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
502 if (new_rep->orig_dims.length () == 2 && new_rep->orig_dims(0) == 1)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
503 new_rep->orig_dims = dim_vector (1, new_len);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
504 else
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
505 new_rep->orig_dims = dim_vector (new_len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
506 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
507 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
508 else if (uniq)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
509 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
510 // Use two-pass bucket sort (only a mask array needed).
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
511 OCTAVE_LOCAL_BUFFER_INIT (bool, has, ext, false);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
512 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
513 has[data[i]] = true;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
514
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
515 octave_idx_type new_len = 0;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
516 for (octave_idx_type i = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
517 new_len += has[i];
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
518
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
519 new_rep->len = new_len;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
520 if (new_rep->orig_dims.length () == 2 && new_rep->orig_dims(0) == 1)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
521 new_rep->orig_dims = dim_vector (1, new_len);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
522 else
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
523 new_rep->orig_dims = dim_vector (new_len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
524
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
525 octave_idx_type *new_data = new octave_idx_type [new_len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
526 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
527
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
528 for (octave_idx_type i = 0, j = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
529 if (has[i])
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
530 new_data[j++] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
531 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
532 else
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
533 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
534 // Use two-pass bucket sort.
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
535 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, cnt, ext, 0);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
536 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
537 cnt[data[i]]++;
2966
458cea5c8356 [project @ 1997-05-12 20:17:35 by jwe]
jwe
parents: 2847
diff changeset
538
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
539 octave_idx_type *new_data = new octave_idx_type [len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
540 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
541
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
542 for (octave_idx_type i = 0, j = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
543 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
544 for (octave_idx_type k = 0; k < cnt[i]; k++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
545 new_data[j++] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
546 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
547 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
548
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
549 return new_rep.release ();
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
550 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
551
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
552 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
553 idx_vector::idx_vector_rep::sort_idx (Array<octave_idx_type>& idx)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
554 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
555 // This is wrapped in auto_ptr so that we don't leak on out-of-memory.
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
556 std::auto_ptr<idx_vector_rep> new_rep (
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
557 new idx_vector_rep (0, len, ext, orig_dims, DIRECT));
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
558
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
559 if (ext > len*xlog2 (1.0 + len))
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
560 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
561 // Use standard sort via octave_sort.
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
562 idx.clear (orig_dims);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
563 octave_idx_type *idx_data = idx.fortran_vec ();
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
564 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
565 idx_data[i] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
566
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
567 octave_idx_type *new_data = new octave_idx_type [len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
568 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
569 std::copy (data, data + len, new_data);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
570
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
571 octave_sort<octave_idx_type> lsort;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
572 lsort.set_compare (ASCENDING);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
573 lsort.sort (new_data, idx_data, len);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
574 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
575 else
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
576 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
577 // Use two-pass bucket sort.
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
578 OCTAVE_LOCAL_BUFFER_INIT (octave_idx_type, cnt, ext, 0);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
579
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
580 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
581 cnt[data[i]]++;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
582
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
583 idx.clear (orig_dims);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
584 octave_idx_type *idx_data = idx.fortran_vec ();
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
585
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
586 octave_idx_type *new_data = new octave_idx_type [len];
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
587 new_rep->data = new_data;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
588
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
589 for (octave_idx_type i = 0, k = 0; i < ext; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
590 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
591 octave_idx_type j = cnt[i];
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
592 cnt[i] = k;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
593 k += j;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
594 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
595
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
596 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
597 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
598 octave_idx_type j = data[i], k = cnt[j]++;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
599 new_data[k] = j;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
600 idx_data[k] = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
601 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
602 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
603
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
604 return new_rep.release ();
209
5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe]
jwe
parents: 191
diff changeset
605 }
5869adaa6aea [project @ 1993-11-12 10:44:40 by jwe]
jwe
parents: 191
diff changeset
606
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
607 std::ostream&
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
608 idx_vector::idx_vector_rep::print (std::ostream& os) const
3079
eb827eb9b8ff [project @ 1997-08-03 20:44:07 by jwe]
jwe
parents: 2966
diff changeset
609 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
610 os << '[';
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
611
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
612 for (octave_idx_type ii = 0; ii < len - 1; ii++)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
613 os << data[ii] << ',' << ' ';
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
614
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
615 if (len > 0)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
616 os << data[len-1]; os << ']';
7425
fe4a43e1d1d3 [project @ 2008-01-28 09:13:01 by jwe]
jwe
parents: 7422
diff changeset
617
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
618 return os;
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
619 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
620
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
621 Array<double>
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
622 idx_vector::idx_vector_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
623 {
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
624 Array<double> retval (orig_dims);
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
625 for (octave_idx_type i = 0; i < len; i++)
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
626 retval.xelem (i) = data[i] + 1;
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
627 return retval;
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
628 }
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
629
10339
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
630 Array<octave_idx_type>
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
631 idx_vector::idx_vector_rep::as_array (void)
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
632 {
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
633 if (aowner)
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
634 return *aowner;
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
635 else
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
636 {
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
637 Array<octave_idx_type> retval (orig_dims);
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
638 std::memcpy (retval.fortran_vec (), data, len*sizeof (octave_idx_type));
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
639 // Delete the old copy and share the data instead to save memory.
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
640 delete [] data;
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
641 data = retval.fortran_vec ();
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
642 aowner = new Array<octave_idx_type> (retval);
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
643 return retval;
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
644 }
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
645 }
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
646
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
647 DEFINE_OCTAVE_ALLOCATOR(idx_vector::idx_mask_rep);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
648
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
649 idx_vector::idx_mask_rep::idx_mask_rep (bool b)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
650 : data (0), len (b ? 1 : 0), ext (0), lsti (-1), lste (-1),
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
651 aowner (0), orig_dims (len, len)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
652 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
653 if (len != 0)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
654 {
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
655 bool *d = new bool [1];
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
656 d[0] = true;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
657 data = d;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
658 ext = 1;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
659 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
660 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
661
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
662 idx_vector::idx_mask_rep::idx_mask_rep (const Array<bool>& bnda,
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
663 octave_idx_type nnz)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
664 : data (0), len (nnz), ext (bnda.numel ()), lsti (-1), lste (-1),
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
665 aowner (0), orig_dims ()
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
666 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
667 if (nnz < 0)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
668 len = bnda.nnz ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
669
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
670 // We truncate the extent as much as possible. For Matlab
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
671 // compatibility, but maybe it's not a bad idea anyway.
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
672 while (ext > 0 && ! bnda(ext-1))
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
673 ext--;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
674
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
675 const dim_vector dv = bnda.dims ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
676
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
677 if (! dv.all_zero ())
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
678 orig_dims = ((dv.length () == 2 && dv(0) == 1)
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
679 ? dim_vector (1, len) : dim_vector (len, 1));
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
680
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
681 aowner = new Array<bool> (bnda);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
682 data = bnda.data ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
683 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
684
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
685 idx_vector::idx_mask_rep::~idx_mask_rep (void)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
686 {
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
687 if (aowner)
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
688 delete aowner;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
689 else
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
690 delete [] data;
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
691 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
692
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
693 octave_idx_type
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
694 idx_vector::idx_mask_rep::xelem (octave_idx_type n) const
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
695 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
696 if (n == lsti + 1)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
697 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
698 lsti = n;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
699 while (! data[++lste]) ;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
700 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
701 else
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
702 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
703 lsti = n++;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
704 lste = -1;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
705 while (n > 0)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
706 if (data[++lste]) --n;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
707 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
708 return lste;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
709 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
710
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
711 octave_idx_type
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
712 idx_vector::idx_mask_rep::checkelem (octave_idx_type n) const
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
713 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
714 if (n < 0 || n >= len)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
715 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
716 gripe_invalid_index ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
717 return 0;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
718 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
719
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
720 return xelem (n);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
721 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
722
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
723 std::ostream&
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
724 idx_vector::idx_mask_rep::print (std::ostream& os) const
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
725 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
726 os << '[';
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
727
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
728 for (octave_idx_type ii = 0; ii < ext - 1; ii++)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
729 os << data[ii] << ',' << ' ';
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
730
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
731 if (ext > 0)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
732 os << data[ext-1]; os << ']';
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
733
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
734 return os;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
735 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
736
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
737 Array<bool>
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
738 idx_vector::idx_mask_rep::unconvert (void) const
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
739 {
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
740 if (aowner)
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
741 return *aowner;
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
742 else
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
743 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
744 Array<bool> retval (dim_vector (ext, 1));
10425
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
745 for (octave_idx_type i = 0; i < ext; i++)
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
746 retval.xelem (i) = data[i];
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
747 return retval;
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
748 }
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
749 }
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
750
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
751 Array<octave_idx_type>
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
752 idx_vector::idx_mask_rep::as_array (void)
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
753 {
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
754 if (aowner)
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
755 return aowner->find ().reshape (orig_dims);
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
756 else
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
757 {
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
758 Array<bool> retval (orig_dims);
10425
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
759 for (octave_idx_type i = 0, j = 0; i < ext; i++)
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
760 if (data[i])
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
761 retval.xelem (j++) = i;
0677c5d80b77 rewrite 1D sparse indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 10370
diff changeset
762
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
763 return retval;
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
764 }
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
765 }
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
766
10273
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
767 idx_vector::idx_base_rep *
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
768 idx_vector::idx_mask_rep::sort_idx (Array<octave_idx_type>& idx)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
769 {
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
770 idx.clear (len, 1);
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
771 for (octave_idx_type i = 0; i < len; i++)
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
772 idx.xelem (i) = i;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
773
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
774 count++;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
775 return this;
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
776 }
3a8c13b71612 implement special-case optimization for sort of index vectors
Jaroslav Hajek <highegg@gmail.com>
parents: 10258
diff changeset
777
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
778 const idx_vector idx_vector::colon (new idx_vector::idx_colon_rep ());
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
779
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
780 idx_vector::idx_vector (const Array<bool>& bnda)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
781 : rep (0)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
782 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
783 // Convert only if it means saving at least half the memory.
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
784 static const int factor = (2 * sizeof (octave_idx_type));
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
785 octave_idx_type nnz = bnda.nnz ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
786 if (nnz <= bnda.numel () / factor)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
787 rep = new idx_vector_rep (bnda, nnz);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
788 else
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
789 rep = new idx_mask_rep (bnda, nnz);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
790 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
791
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
792 bool
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
793 idx_vector::maybe_reduce (octave_idx_type n, const idx_vector& j,
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
794 octave_idx_type nj)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
795 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
796 bool reduced = false;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
797
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
798 // Empty index always reduces.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
799 if (rep->length (n) == 0)
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
800 {
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
801 *this = idx_vector ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
802 return true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
803 }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
804
8972
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
805 // Possibly skip singleton dims.
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
806 if (n == 1 && rep->is_colon_equiv (n))
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
807 {
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
808 *this = j;
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
809 return true;
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
810 }
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
811
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
812 if (nj == 1 && j.is_colon_equiv (nj))
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
813 return true;
5fa53d1b6247 more indexing optimizations
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
814
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
815 switch (j.idx_class ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
816 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
817 case class_colon:
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
818 switch (rep->idx_class ())
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
819 {
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
820 case class_colon:
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
821 // (:,:) reduces to (:)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
822 reduced = true;
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
823 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
824
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
825 case class_scalar:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
826 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
827 // (i,:) reduces to a range.
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
828 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
829 octave_idx_type k = r->get_data ();
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
830 *this = new idx_range_rep (k, nj, n, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
831 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
832 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
833 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
834
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
835 case class_range:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
836 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
837 // (i:k:end,:) reduces to a range if i <= k and k divides n.
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
838 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
839 octave_idx_type s = r->get_start (), l = r->length (n);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
840 octave_idx_type t = r->get_step ();
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
841 if (l*t == n)
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
842 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
843 *this = new idx_range_rep (s, l * nj, t, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
844 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
845 }
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
846 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
847 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
848
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
849 default:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
850 break;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
851 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
852 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
853
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
854 case class_range:
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
855 switch (rep->idx_class ())
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
856 {
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
857 case class_colon:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
858 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
859 // (:,i:j) reduces to a range (the step must be 1)
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
860 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
861 if (rj->get_step () == 1)
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
862 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
863 octave_idx_type sj = rj->get_start (), lj = rj->length (nj);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
864 *this = new idx_range_rep (sj * n, lj * n, 1, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
865 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
866 }
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
867 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
868 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
869
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
870 case class_scalar:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
871 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
872 // (k,i:d:j) reduces to a range.
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
873 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
874 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
875 octave_idx_type k = r->get_data ();
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
876 octave_idx_type sj = rj->get_start (), lj = rj->length (nj);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
877 octave_idx_type tj = rj->get_step ();
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
878 *this = new idx_range_rep (n * sj + k, lj, n * tj, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
879 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
880 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
881 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
882
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
883 case class_range:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
884 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
885 // (i:k:end,p:q) reduces to a range if i <= k and k divides n.
10042
b7915ebe8acf implement index reduction rule for multiple constant ranges
Jaroslav Hajek <highegg@gmail.com>
parents: 9894
diff changeset
886 // (ones (1, m), ones (1, n)) reduces to (ones (1, m*n))
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
887 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
888 octave_idx_type s = r->get_start (), l = r->length (n);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
889 octave_idx_type t = r->get_step ();
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
890 idx_range_rep * rj = dynamic_cast<idx_range_rep *> (j.rep);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
891 octave_idx_type sj = rj->get_start (), lj = rj->length (nj);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
892 octave_idx_type tj = rj->get_step ();
10042
b7915ebe8acf implement index reduction rule for multiple constant ranges
Jaroslav Hajek <highegg@gmail.com>
parents: 9894
diff changeset
893 if ((l*t == n && tj == 1) || (t == 0 && tj == 0))
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
894 {
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
895 *this = new idx_range_rep (s + n * sj, l * lj, t, DIRECT);
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
896 reduced = true;
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
897 }
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
898 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
899 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
900
9772
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
901 default:
3ac8ea48279b improve index reduction rules
Jaroslav Hajek <highegg@gmail.com>
parents: 9757
diff changeset
902 break;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
903 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
904 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
905
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
906 case class_scalar:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
907 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
908 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
909 case class_scalar:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
910 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
911 // (i,j) reduces to a single index.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
912 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
913 idx_scalar_rep * rj = dynamic_cast<idx_scalar_rep *> (j.rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
914 octave_idx_type k = r->get_data () + n * rj->get_data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
915 *this = new idx_scalar_rep (k, DIRECT);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
916 reduced = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
917 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
918 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
919
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
920 case class_range:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
921 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
922 // (i:d:j,k) reduces to a range.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
923 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
924 idx_scalar_rep * rj = dynamic_cast<idx_scalar_rep *> (j.rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
925 octave_idx_type s = r->get_start (), l = r->length (nj);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
926 octave_idx_type t = r->get_step ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
927 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
928 *this = new idx_range_rep (n * k + s, l, t, DIRECT);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
929 reduced = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
930 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
931 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
932
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
933 case class_colon:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
934 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
935 // (:,k) reduces to a range.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
936 idx_scalar_rep * rj = dynamic_cast<idx_scalar_rep *> (j.rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
937 octave_idx_type k = rj->get_data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
938 *this = new idx_range_rep (n * k, n, 1, DIRECT);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
939 reduced = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
940 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
941 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
942
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
943 default:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
944 break;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
945 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
946 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
947
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
948 default:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
949 break;
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
950 }
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
951
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
952 return reduced;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
953 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
954
8333
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
955 bool
9238637cb81c style fixes
John W. Eaton <jwe@octave.org>
parents: 8319
diff changeset
956 idx_vector::is_cont_range (octave_idx_type n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10285
diff changeset
957 octave_idx_type& l, octave_idx_type& u) const
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
958 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
959 bool res = false;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
960
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
961 switch (rep->idx_class ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
962 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
963 case class_colon:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
964 l = 0; u = n;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
965 res = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
966 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
967
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
968 case class_range:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
969 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
970 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
971 if (r->get_step () == 1)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
972 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
973 l = r->get_start ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
974 u = l + r->length (n);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
975 res = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
976 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
977 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
978 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
979
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
980 case class_scalar:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
981 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
982 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
983 l = r->get_data ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
984 u = l + 1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
985 res = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
986 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
987 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
988
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
989 case class_mask:
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
990 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
991 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
992 octave_idx_type ext = r->extent (0), len = r->length (0);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
993 if (ext == len)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
994 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
995 l = 0;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
996 u = len;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
997 res = true;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
998 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
999 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1000
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1001 default:
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1002 break;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1003 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1004
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1005 return res;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1006 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1007
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1008 octave_idx_type
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1009 idx_vector::increment (void) const
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1010 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1011 octave_idx_type retval = 0;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1012
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1013 switch (rep->idx_class ())
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1014 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1015 case class_colon:
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1016 retval = 1;
10702
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1017 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1018
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1019 case class_range:
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1020 retval = dynamic_cast<idx_range_rep *> (rep) -> get_step ();
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1021 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1022
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1023 case class_vector:
10702
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1024 case class_mask:
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1025 {
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1026 if (length (0) > 1)
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1027 retval = elem (1) - elem (0);
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1028 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1029 break;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1030
9757
95ad9c2a27e2 fix idx_vector construction checks
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
1031 default:
95ad9c2a27e2 fix idx_vector construction checks
Jaroslav Hajek <highegg@gmail.com>
parents: 9725
diff changeset
1032 break;
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1033 }
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1034
9725
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1035 return retval;
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1036 }
aea3a3a950e1 implement nth_element
Jaroslav Hajek <highegg@gmail.com>
parents: 9601
diff changeset
1037
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1038 const octave_idx_type *
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1039 idx_vector::raw (void)
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1040 {
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1041 if (rep->idx_class () != class_vector)
10479
ded9beac7582 optimize sparse matrix assembly
Jaroslav Hajek <highegg@gmail.com>
parents: 10475
diff changeset
1042 *this = idx_vector (as_array (), extent (0));
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1043
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1044 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1045
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1046 assert (r != 0);
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1047
10475
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1048 return r->get_data ();
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1049 }
739109ef88ee helper idx_vector methods
Jaroslav Hajek <highegg@gmail.com>
parents: 10425
diff changeset
1050
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1051 void
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1052 idx_vector::copy_data (octave_idx_type *data) const
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1053 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1054 octave_idx_type len = rep->length (0);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1055
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1056 switch (rep->idx_class ())
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1057 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1058 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1059 current_liboctave_error_handler ("colon not allowed");
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1060 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1061
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1062 case class_range:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1063 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1064 idx_range_rep * r = dynamic_cast<idx_range_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1065 octave_idx_type start = r->get_start (), step = r->get_step ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1066 octave_idx_type i, j;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1067 if (step == 1)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1068 for (i = start, j = start + len; i < j; i++) *data++ = i;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1069 else if (step == -1)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1070 for (i = start, j = start - len; i > j; i--) *data++ = i;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1071 else
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1072 for (i = 0, j = start; i < len; i++, j += step) *data++ = j;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1073 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1074 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1075
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1076 case class_scalar:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1077 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1078 idx_scalar_rep * r = dynamic_cast<idx_scalar_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1079 *data = r->get_data ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1080 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1081 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1082
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1083 case class_vector:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1084 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1085 idx_vector_rep * r = dynamic_cast<idx_vector_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1086 const octave_idx_type *rdata = r->get_data ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1087 copy_or_memcpy (len, rdata, data);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1088 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1089 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1090
10702
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1091 case class_mask:
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1092 {
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1093 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1094 const bool *mask = r->get_data ();
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1095 octave_idx_type ext = r->extent (0);
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1096 for (octave_idx_type i = 0, j = 0; i < ext; i++)
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1097 if (mask[i])
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1098 data[j++] = i;
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1099 }
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1100 break;
10702
c49911ab7ac7 implement missing copy_data case in idx_vector (bug #30099)
Jaroslav Hajek <highegg@gmail.com>
parents: 10620
diff changeset
1101
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1102 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1103 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1104 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1105 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1106 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1107
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1108 idx_vector
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1109 idx_vector::complement (octave_idx_type n) const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1110 {
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1111 idx_vector retval;
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1112 if (extent (n) > n)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1113 (*current_liboctave_error_handler)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1114 ("internal error: out of range complement index requested");
3680
b8b0f5ff28e2 [project @ 2000-06-08 20:06:17 by jwe]
jwe
parents: 3504
diff changeset
1115
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1116 if (idx_class () == class_mask)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1117 {
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1118 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1119 octave_idx_type nz = r->length (0), ext = r->extent (0);
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1120 Array<bool> mask (dim_vector (n, 1));
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1121 const bool *data = r->get_data ();
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1122 bool *ndata = mask.fortran_vec ();
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1123 for (octave_idx_type i = 0; i < ext; i++)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1124 ndata[i] = ! data[i];
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1125 for (octave_idx_type i = ext; i < n; i++)
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1126 ndata[i] = true;
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1127 retval = new idx_mask_rep (mask, n - nz);
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1128 }
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1129 else
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1130 {
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
1131 Array<bool> mask (dim_vector (n, 1), true);
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1132 fill (false, length (n), mask.fortran_vec ());
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1133 retval = idx_vector (mask);
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1134 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1135
10491
077fef5da460 optimize null assignment with bool masks
Jaroslav Hajek <highegg@gmail.com>
parents: 10489
diff changeset
1136 return retval;
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1137 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1138
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1139 bool
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1140 idx_vector::is_permutation (octave_idx_type n) const
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1141 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1142 bool retval = false;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1143
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1144 if (is_colon_equiv (n))
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1145 retval = true;
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
1146 else if (length(n) == n && extent(n) == n)
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1147 {
8379
ad8ed668e0a4 allow initialized local buffers
Jaroslav Hajek <highegg@gmail.com>
parents: 8375
diff changeset
1148 OCTAVE_LOCAL_BUFFER_INIT (bool, left, n, true);
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1149
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1150 retval = true;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1151
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1152 for (octave_idx_type i = 0, len = length (); i < len; i++)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1153 {
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1154 octave_idx_type k = xelem (i);
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1155 if (left[k])
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
1156 left[k] = false;
8367
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1157 else
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1158 {
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1159 retval = false;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1160 break;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1161 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1162 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1163 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1164
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1165 return retval;
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1166 }
445d27d79f4e support permutation matrix objects
Jaroslav Hajek <highegg@gmail.com>
parents: 8333
diff changeset
1167
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1168 idx_vector
10512
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1169 idx_vector::inverse_permutation (octave_idx_type n) const
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1170 {
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1171 assert (n == length (n));
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1172
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1173 idx_vector retval;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1174
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1175 switch (idx_class ())
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1176 {
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1177 case class_range:
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1178 {
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1179 if (increment () == -1)
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1180 retval = sorted ();
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1181 else
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1182 retval = *this;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1183 break;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1184 }
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1185 case class_vector:
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1186 {
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1187 idx_vector_rep *r = dynamic_cast<idx_vector_rep *> (rep);
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1188 const octave_idx_type *ri = r->get_data ();
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1189 Array<octave_idx_type> idx (orig_dimensions ());
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1190 for (octave_idx_type i = 0; i < n; i++)
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
1191 idx.xelem (ri[i]) = i;
10512
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1192 retval = new idx_vector_rep (idx, r->extent (0), DIRECT);
10516
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1193 break;
10512
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1194 }
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1195 default:
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1196 retval = *this;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1197 break;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1198 }
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1199
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1200 return retval;
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1201 }
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1202
aac9f4265048 rewrite sparse indexed assignment
Jaroslav Hajek <highegg@gmail.com>
parents: 10491
diff changeset
1203 idx_vector
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1204 idx_vector::unmask (void) const
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1205 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1206 if (idx_class () == class_mask)
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1207 {
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1208 idx_mask_rep * r = dynamic_cast<idx_mask_rep *> (rep);
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1209 const bool *data = r->get_data ();
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1210 octave_idx_type ext = r->extent (0), len = r->length (0);
15020
560317fd5977 maint: Cuddle open bracket used for indexing C++ arrays in source code.
Rik <rik@octave.org>
parents: 15018
diff changeset
1211 octave_idx_type *idata = new octave_idx_type [len];
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1212
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1213 for (octave_idx_type i = 0, j = 0; i < ext; i++)
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1214 if (data[i])
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1215 idata[j++] = i;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1216
10620
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1217 ext = len > 0 ? idata[len - 1] + 1 : 0;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1218
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1219 return new idx_vector_rep (idata, len, ext, r->orig_dimensions (),
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1220 DIRECT);
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1221 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1222 else
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1223 return *this;
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1224 }
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1225
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1226 void idx_vector::unconvert (idx_class_type& iclass,
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1227 double& scalar, Range& range,
9894
83bd7f34f9da improve idx_vector->octave_value conversion
Jaroslav Hajek <highegg@gmail.com>
parents: 9879
diff changeset
1228 Array<double>& array, Array<bool>& mask) const
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1229 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1230 iclass = idx_class ();
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1231 switch (iclass)
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1232 {
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1233 case class_colon:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1234 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1235
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1236 case class_range:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1237 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1238 idx_range_rep *r = dynamic_cast<idx_range_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1239 range = r->unconvert ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1240 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1241 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1242
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1243 case class_scalar:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1244 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1245 idx_scalar_rep *r = dynamic_cast<idx_scalar_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1246 scalar = r->unconvert ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1247 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1248 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1249
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1250 case class_vector:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1251 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1252 idx_vector_rep *r = dynamic_cast<idx_vector_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1253 array = r->unconvert ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1254 }
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1255 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1256
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1257 case class_mask:
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1258 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1259 idx_mask_rep *r = dynamic_cast<idx_mask_rep *> (rep);
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1260 mask = r->unconvert ();
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1261 }
9879
034677ab6865 smarter treatment of mask indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 9780
diff changeset
1262 break;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1263
9479
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1264 default:
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1265 assert (false);
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1266 break;
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1267 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1268 }
d9716e3ee0dd supply optimized compiled sub2ind & ind2sub
Jaroslav Hajek <highegg@gmail.com>
parents: 9124
diff changeset
1269
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1270 Array<octave_idx_type>
10339
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1271 idx_vector::as_array (void) const
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1272 {
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1273 return rep->as_array ();
de2d43bcb083 optimize some lazy index operations
Jaroslav Hajek <highegg@gmail.com>
parents: 10314
diff changeset
1274 }
10516
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1275
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1276 bool
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1277 idx_vector::is_vector (void) const
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1278 {
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1279 return idx_class () != class_vector || orig_dimensions ().is_vector ();
f0266ee4aabe optimize some special indexing & assignment cases
Jaroslav Hajek <highegg@gmail.com>
parents: 10512
diff changeset
1280 }
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1281
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1282 octave_idx_type
8677
095ae5e0a831 eliminte some compiler warnings
John W. Eaton <jwe@octave.org>
parents: 8384
diff changeset
1283 idx_vector::freeze (octave_idx_type z_len, const char *, bool resize_ok)
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1284 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1285 if (! resize_ok && extent (z_len) > z_len)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1286 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1287 (*current_liboctave_error_handler)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1288 ("invalid matrix index = %d", extent (z_len));
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1289 rep->err = true;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1290 chkerr ();
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1291 }
1560
27a03373de41 [project @ 1995-10-12 07:22:26 by jwe]
jwe
parents: 1552
diff changeset
1292
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1293 return length (z_len);
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1294 }
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1295
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
1296 octave_idx_type
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1297 idx_vector::ones_count () const
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1298 {
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1299 octave_idx_type n = 0;
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1300
8290
7cbe01c21986 improve dense array indexing
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diff changeset
1301 if (is_colon ())
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1302 n = 1;
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1303 else
10487
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1304 {
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1305 for (octave_idx_type i = 0; i < length (1); i++)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1306 if (xelem (i) == 0)
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1307 n++;
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1308 }
942386d6d1a5 style fixes
John W. Eaton <jwe@octave.org>
parents: 10486
diff changeset
1309
8290
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1310 return n;
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1311 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
diff changeset
1312
8290
7cbe01c21986 improve dense array indexing
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parents: 7774
diff changeset
1313 // Instantiate the octave_int constructors we want.
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1314 #define INSTANTIATE_SCALAR_VECTOR_REP_CONST(T) \
8319
c374691576f6 Fix for MSVC compilation
Michael Goffioul <michael.goffioul@gmail.com>
parents: 8301
diff changeset
1315 template OCTAVE_API idx_vector::idx_scalar_rep::idx_scalar_rep (T); \
c374691576f6 Fix for MSVC compilation
Michael Goffioul <michael.goffioul@gmail.com>
parents: 8301
diff changeset
1316 template OCTAVE_API idx_vector::idx_vector_rep::idx_vector_rep (const Array<T>&);
8290
7cbe01c21986 improve dense array indexing
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parents: 7774
diff changeset
1317
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1318 INSTANTIATE_SCALAR_VECTOR_REP_CONST (float)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1319 INSTANTIATE_SCALAR_VECTOR_REP_CONST (double)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1320 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int8)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1321 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int16)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1322 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int32)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1323 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_int64)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1324 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint8)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1325 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint16)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1326 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint32)
7cbe01c21986 improve dense array indexing
Jaroslav Hajek <highegg@gmail.com>
parents: 7774
diff changeset
1327 INSTANTIATE_SCALAR_VECTOR_REP_CONST (octave_uint64)
10620
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1328
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1329 /*
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1330
15018
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
1331 %!error id=Octave:index-out-of-bounds 1(find ([1,1] != 0))
3d8ace26c5b4 maint: Use Octave coding conventions for cuddled parentheses in liboctave/.
Rik <rik@octave.org>
parents: 14138
diff changeset
1332 %!assert ((1:3)(find ([1,0,1] != 0)), [1,3])
10620
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1333
6fb954475e21 fix off-by-1 error in idx_vector (bug #29851)
Jaroslav Hajek <highegg@gmail.com>
parents: 10516
diff changeset
1334 */