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annotate liboctave/array/DiagArray2.h @ 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 2e0613dadfee
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1 // Template array classes
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2 /*
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3
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4 Copyright (C) 1996-2013 John W. Eaton
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5 Copyright (C) 2008-2009 Jaroslav Hajek
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6 Copyright (C) 2010 VZLU Prague
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7
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8 This file is part of Octave.
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9
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10 Octave is free software; you can redistribute it and/or modify it
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11 under the terms of the GNU General Public License as published by the
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12 Free Software Foundation; either version 3 of the License, or (at your
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13 option) any later version.
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14
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15 Octave is distributed in the hope that it will be useful, but WITHOUT
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16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with Octave; see the file COPYING. If not, see
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22 <http://www.gnu.org/licenses/>.
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23
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24 */
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25
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26 #if !defined (octave_DiagArray2_h)
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27 #define octave_DiagArray2_h 1
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28
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29 #include <cassert>
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30 #include <cstdlib>
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31
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32 #include "Array.h"
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33
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34 // Array<T> is inherited privately so that some methods, like index, don't
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35 // produce unexpected results.
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36
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37 template <class T>
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38 class
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39 DiagArray2 : protected Array<T>
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40 {
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41 protected:
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42 octave_idx_type d1, d2;
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43
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44 public:
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45
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46 using typename Array<T>::element_type;
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47
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48 DiagArray2 (void)
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49 : Array<T> (), d1 (0), d2 (0) { }
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51 DiagArray2 (octave_idx_type r, octave_idx_type c)
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52 : Array<T> (dim_vector (std::min (r, c), 1)), d1 (r), d2 (c) { }
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53
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54 DiagArray2 (octave_idx_type r, octave_idx_type c, const T& val)
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55 : Array<T> (dim_vector (std::min (r, c), 1), val), d1 (r), d2 (c) { }
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57 explicit DiagArray2 (const Array<T>& a)
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58 : Array<T> (a.as_column ()), d1 (a.numel ()), d2 (a.numel ()) { }
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60 DiagArray2 (const Array<T>& a, octave_idx_type r, octave_idx_type c);
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61
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62 DiagArray2 (const DiagArray2<T>& a)
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63 : Array<T> (a), d1 (a.d1), d2 (a.d2) { }
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64
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65 template <class U>
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66 DiagArray2 (const DiagArray2<U>& a)
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67 : Array<T> (a.extract_diag ()), d1 (a.dim1 ()), d2 (a.dim2 ()) { }
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68
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69 ~DiagArray2 (void) { }
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71 DiagArray2<T>& operator = (const DiagArray2<T>& a)
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72 {
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73 if (this != &a)
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74 {
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75 Array<T>::operator = (a);
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76 d1 = a.d1;
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77 d2 = a.d2;
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78 }
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80 return *this;
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81 }
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82
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83 octave_idx_type dim1 (void) const { return d1; }
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84 octave_idx_type dim2 (void) const { return d2; }
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85
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86 octave_idx_type rows (void) const { return dim1 (); }
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87 octave_idx_type cols (void) const { return dim2 (); }
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88 octave_idx_type columns (void) const { return dim2 (); }
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89
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90 octave_idx_type diag_length (void) const { return Array<T>::length (); }
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91 // FIXME: a dangerous ambiguity?
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92 octave_idx_type length (void) const { return Array<T>::length (); }
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93 octave_idx_type nelem (void) const { return dim1 () * dim2 (); }
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94 octave_idx_type numel (void) const { return nelem (); }
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95
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96 size_t byte_size (void) const { return Array<T>::byte_size (); }
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97
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98 dim_vector dims (void) const { return dim_vector (d1, d2); }
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99
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100 Array<T> diag (octave_idx_type k = 0) const GCC_ATTR_DEPRECATED;
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101 Array<T> extract_diag (octave_idx_type k = 0) const;
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102 DiagArray2<T> build_diag_matrix () const
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103 {
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104 return DiagArray2<T> (array_value ());
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105 }
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106
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107 // Warning: the non-const two-index versions will silently ignore assignments
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108 // to off-diagonal elements.
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109
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110 T elem (octave_idx_type r, octave_idx_type c) const
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111 {
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112 return (r == c) ? Array<T>::elem (r) : T (0);
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113 }
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114
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115 T& elem (octave_idx_type r, octave_idx_type c)
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116 {
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117 static T zero (0);
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118 return (r == c) ? Array<T>::elem (r) : zero;
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119 }
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120
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121 T dgelem (octave_idx_type i) const
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122 { return Array<T>::elem (i); }
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123
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124 T& dgelem (octave_idx_type i)
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125 { return Array<T>::elem (i); }
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126
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127 T checkelem (octave_idx_type r, octave_idx_type c) const
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128 {
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129 return check_idx (r, c) ? elem (r, c) : T (0);
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130 }
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131
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132 T operator () (octave_idx_type r, octave_idx_type c) const
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133 {
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134 #if defined (BOUNDS_CHECKING)
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135 return checkelem (r, c);
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136 #else
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137 return elem (r, c);
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138 #endif
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139 }
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140
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141 T& checkelem (octave_idx_type r, octave_idx_type c)
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142 {
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143 static T zero (0);
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144 return check_idx (r, c) ? elem (r, c) : zero;
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145 }
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146
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147 T& operator () (octave_idx_type r, octave_idx_type c)
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148 {
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149 #if defined (BOUNDS_CHECKING)
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150 return checkelem (r, c);
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151 #else
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152 return elem (r, c);
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153 #endif
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154 }
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155
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156 // No checking.
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157
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158 T xelem (octave_idx_type r, octave_idx_type c) const
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159 {
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160 return (r == c) ? Array<T>::xelem (r) : T (0);
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161 }
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162
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163 T& dgxelem (octave_idx_type i)
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164 { return Array<T>::xelem (i); }
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165
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166 T dgxelem (octave_idx_type i) const
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167 { return Array<T>::xelem (i); }
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168
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169 void resize (octave_idx_type n, octave_idx_type m, const T& rfv);
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170 void resize (octave_idx_type n, octave_idx_type m)
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171 {
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172 resize (n, m, Array<T>::resize_fill_value ());
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173 }
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174
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175 DiagArray2<T> transpose (void) const;
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176 DiagArray2<T> hermitian (T (*fcn) (const T&) = 0) const;
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177
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178 Array<T> array_value (void) const;
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179
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180 const T *data (void) const { return Array<T>::data (); }
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181
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182 const T *fortran_vec (void) const { return Array<T>::fortran_vec (); }
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183
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184 T *fortran_vec (void) { return Array<T>::fortran_vec (); }
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185
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186 void print_info (std::ostream& os, const std::string& prefix) const
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187 { Array<T>::print_info (os, prefix); }
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188
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189 private:
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190
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191 bool check_idx (octave_idx_type r, octave_idx_type c) const;
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192 };
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193
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194 #endif