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annotate liboctave/numeric/floatLU.cc @ 20267:a9574e3c6e9e

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Deprecate Array::length() and Sparse::length() in favour of ::numel(). * liboctave/array/Array.h (Array::length): deprecate for ::numel. * liboctave/array/Sparse.h (Sparse::length): deprecate for ::numel. * libgui/graphics/QtHandlesUtils.cc, libgui/src/octave-qt-link.cc, libinterp/corefcn/Cell.cc, libinterp/corefcn/__contourc__.cc, libinterp/corefcn/__pchip_deriv__.cc, libinterp/corefcn/__qp__.cc, libinterp/corefcn/cellfun.cc, libinterp/corefcn/daspk.cc, libinterp/corefcn/dasrt.cc, libinterp/corefcn/dassl.cc, libinterp/corefcn/data.cc, libinterp/corefcn/filter.cc, libinterp/corefcn/find.cc, libinterp/corefcn/gl-render.cc, libinterp/corefcn/gl-render.h, libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h, libinterp/corefcn/help.cc, libinterp/corefcn/hex2num.cc, libinterp/corefcn/input.cc, libinterp/corefcn/load-path.cc, libinterp/corefcn/load-save.cc, libinterp/corefcn/ls-oct-ascii.h, libinterp/corefcn/lsode.cc, libinterp/corefcn/matrix_type.cc, libinterp/corefcn/oct-hist.cc, libinterp/corefcn/oct-map.cc, libinterp/corefcn/oct-map.h, libinterp/corefcn/oct-obj.h, libinterp/corefcn/oct-stream.cc, libinterp/corefcn/oct-stream.h, libinterp/corefcn/pr-output.cc, libinterp/corefcn/quadcc.cc, libinterp/corefcn/rand.cc, libinterp/corefcn/regexp.cc, libinterp/corefcn/strfns.cc, libinterp/corefcn/sub2ind.cc, libinterp/corefcn/symtab.h, libinterp/corefcn/syscalls.cc, libinterp/corefcn/tsearch.cc, libinterp/corefcn/urlwrite.cc, libinterp/corefcn/utils.cc, libinterp/corefcn/variables.cc, libinterp/corefcn/xdiv.cc, libinterp/corefcn/xpow.cc, libinterp/dldfcn/__glpk__.cc, libinterp/dldfcn/__init_fltk__.cc, libinterp/dldfcn/__magick_read__.cc, libinterp/dldfcn/audiodevinfo.cc, libinterp/dldfcn/ccolamd.cc, libinterp/dldfcn/colamd.cc, libinterp/octave-value/ov-cell.cc, libinterp/octave-value/ov-class.cc, libinterp/octave-value/ov-class.h, libinterp/octave-value/ov-fcn-inline.cc, libinterp/octave-value/ov-java.cc, libinterp/octave-value/ov-perm.cc, libinterp/octave-value/ov-struct.cc, libinterp/octave-value/ov-typeinfo.cc, libinterp/octave-value/ov.cc, libinterp/operators/op-int.h, libinterp/parse-tree/pt-pr-code.cc, liboctave/array/Array-util.cc, liboctave/array/Array.cc, liboctave/array/CColVector.cc, liboctave/array/CDiagMatrix.cc, liboctave/array/CMatrix.cc, liboctave/array/CRowVector.cc, liboctave/array/DiagArray2.cc, liboctave/array/DiagArray2.h, liboctave/array/MArray.cc, liboctave/array/PermMatrix.cc, liboctave/array/PermMatrix.h, liboctave/array/Sparse.cc, liboctave/array/boolMatrix.cc, liboctave/array/chMatrix.cc, liboctave/array/chNDArray.cc, liboctave/array/dColVector.cc, liboctave/array/dDiagMatrix.cc, liboctave/array/dMatrix.cc, liboctave/array/dRowVector.cc, liboctave/array/fCColVector.cc, liboctave/array/fCDiagMatrix.cc, liboctave/array/fCMatrix.cc, liboctave/array/fCRowVector.cc, liboctave/array/fColVector.cc, liboctave/array/fDiagMatrix.cc, liboctave/array/fMatrix.cc, liboctave/array/fRowVector.cc, liboctave/array/idx-vector.cc, liboctave/array/intNDArray.cc, liboctave/numeric/CmplxCHOL.cc, liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxQR.cc, liboctave/numeric/DASPK.cc, liboctave/numeric/DASRT.cc, liboctave/numeric/DASSL.cc, liboctave/numeric/LSODE.cc, liboctave/numeric/ODES.cc, liboctave/numeric/ODES.h, liboctave/numeric/base-dae.h, liboctave/numeric/base-lu.cc, liboctave/numeric/dbleCHOL.cc, liboctave/numeric/dbleLU.cc, liboctave/numeric/dbleQR.cc, liboctave/numeric/eigs-base.cc, liboctave/numeric/fCmplxCHOL.cc, liboctave/numeric/fCmplxLU.cc, liboctave/numeric/fCmplxQR.cc, liboctave/numeric/floatCHOL.cc, liboctave/numeric/floatLU.cc, liboctave/numeric/floatQR.cc, liboctave/numeric/lo-specfun.cc, liboctave/numeric/oct-rand.cc, liboctave/numeric/oct-spparms.cc, liboctave/numeric/sparse-base-chol.cc, liboctave/operators/mx-inlines.cc, liboctave/system/file-ops.cc, liboctave/util/glob-match.h, liboctave/util/kpse.cc, liboctave/util/lo-regexp.cc, liboctave/util/oct-glob.cc, liboctave/util/pathsearch.cc, liboctave/util/str-vec.cc, liboctave/util/str-vec.h, liboctave/util/url-transfer.cc: replace all usage of Array::length() and Sparse::length() with ::numel().
author Carnë Draug <carandraug@octave.org>
date Sat, 30 May 2015 03:14:07 +0100
parents 4197fc428c7d
children
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1 /*
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2
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3 Copyright (C) 1994-2015 John W. Eaton
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4 Copyright (C) 2009 VZLU Prague, a.s.
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include "floatLU.h"
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29 #include "f77-fcn.h"
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30 #include "lo-error.h"
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31 #include "oct-locbuf.h"
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32 #include "fColVector.h"
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33
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34 // Instantiate the base LU class for the types we need.
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35
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36 #include "base-lu.h"
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37 #include "base-lu.cc"
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38
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39 template class base_lu <FloatMatrix>;
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40
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41 // Define the constructor for this particular derivation.
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42
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43 extern "C"
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44 {
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45 F77_RET_T
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46 F77_FUNC (sgetrf, SGETRF) (const octave_idx_type&, const octave_idx_type&,
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47 float*, const octave_idx_type&, octave_idx_type*,
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48 octave_idx_type&);
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49
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50 #ifdef HAVE_QRUPDATE_LUU
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51 F77_RET_T
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52 F77_FUNC (slu1up, SLU1UP) (const octave_idx_type&, const octave_idx_type&,
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53 float *, const octave_idx_type&,
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54 float *, const octave_idx_type&,
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55 float *, float *);
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56
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57 F77_RET_T
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58 F77_FUNC (slup1up, SLUP1UP) (const octave_idx_type&, const octave_idx_type&,
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59 float *, const octave_idx_type&,
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60 float *, const octave_idx_type&,
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61 octave_idx_type *, const float *,
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62 const float *, float *);
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63 #endif
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64 }
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65
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66 FloatLU::FloatLU (const FloatMatrix& a)
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67 {
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68 octave_idx_type a_nr = a.rows ();
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69 octave_idx_type a_nc = a.cols ();
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70 octave_idx_type mn = (a_nr < a_nc ? a_nr : a_nc);
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71
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72 ipvt.resize (dim_vector (mn, 1));
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73 octave_idx_type *pipvt = ipvt.fortran_vec ();
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74
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75 a_fact = a;
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76 float *tmp_data = a_fact.fortran_vec ();
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77
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78 octave_idx_type info = 0;
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79
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80 F77_XFCN (sgetrf, SGETRF, (a_nr, a_nc, tmp_data, a_nr, pipvt, info));
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81
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82 for (octave_idx_type i = 0; i < mn; i++)
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83 pipvt[i] -= 1;
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84 }
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85
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86 #ifdef HAVE_QRUPDATE_LUU
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87
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88 void FloatLU::update (const FloatColumnVector& u, const FloatColumnVector& v)
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89 {
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90 if (packed ())
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91 unpack ();
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92
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93 FloatMatrix& l = l_fact;
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94 FloatMatrix& r = a_fact;
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95
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96 octave_idx_type m = l.rows ();
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97 octave_idx_type n = r.columns ();
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98 octave_idx_type k = l.columns ();
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99
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100 if (u.numel () == m && v.numel () == n)
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101 {
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102 FloatColumnVector utmp = u;
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103 FloatColumnVector vtmp = v;
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104 F77_XFCN (slu1up, SLU1UP, (m, n, l.fortran_vec (),
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105 m, r.fortran_vec (), k,
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106 utmp.fortran_vec (), vtmp.fortran_vec ()));
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107 }
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108 else
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109 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
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110 }
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111
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112 void FloatLU::update (const FloatMatrix& u, const FloatMatrix& v)
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113 {
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114 if (packed ())
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115 unpack ();
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116
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117 FloatMatrix& l = l_fact;
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118 FloatMatrix& r = a_fact;
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119
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120 octave_idx_type m = l.rows ();
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121 octave_idx_type n = r.columns ();
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122 octave_idx_type k = l.columns ();
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123
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124 if (u.rows () == m && v.rows () == n && u.cols () == v.cols ())
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125 {
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126 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
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127 {
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128 FloatColumnVector utmp = u.column (i);
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129 FloatColumnVector vtmp = v.column (i);
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130 F77_XFCN (slu1up, SLU1UP, (m, n, l.fortran_vec (),
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131 m, r.fortran_vec (), k,
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132 utmp.fortran_vec (), vtmp.fortran_vec ()));
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133 }
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134 }
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135 else
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136 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
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137 }
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138
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139 void FloatLU::update_piv (const FloatColumnVector& u,
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140 const FloatColumnVector& v)
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141 {
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142 if (packed ())
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143 unpack ();
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144
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145 FloatMatrix& l = l_fact;
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146 FloatMatrix& r = a_fact;
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147
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148 octave_idx_type m = l.rows ();
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149 octave_idx_type n = r.columns ();
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150 octave_idx_type k = l.columns ();
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151
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152 if (u.numel () == m && v.numel () == n)
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153 {
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154 FloatColumnVector utmp = u;
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155 FloatColumnVector vtmp = v;
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156 OCTAVE_LOCAL_BUFFER (float, w, m);
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157 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
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158 F77_XFCN (slup1up, SLUP1UP, (m, n, l.fortran_vec (),
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159 m, r.fortran_vec (), k,
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160 ipvt.fortran_vec (),
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161 utmp.data (), vtmp.data (), w));
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162 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
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163 }
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164 else
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165 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
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166 }
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167
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168 void FloatLU::update_piv (const FloatMatrix& u, const FloatMatrix& v)
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169 {
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170 if (packed ())
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171 unpack ();
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172
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173 FloatMatrix& l = l_fact;
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174 FloatMatrix& r = a_fact;
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175
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176 octave_idx_type m = l.rows ();
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177 octave_idx_type n = r.columns ();
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178 octave_idx_type k = l.columns ();
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179
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180 if (u.rows () == m && v.rows () == n && u.cols () == v.cols ())
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181 {
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182 OCTAVE_LOCAL_BUFFER (float, w, m);
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183 for (octave_idx_type i = 0; i < m; i++) ipvt(i) += 1; // increment
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184 for (volatile octave_idx_type i = 0; i < u.cols (); i++)
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185 {
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186 FloatColumnVector utmp = u.column (i);
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187 FloatColumnVector vtmp = v.column (i);
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188 F77_XFCN (slup1up, SLUP1UP, (m, n, l.fortran_vec (),
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189 m, r.fortran_vec (), k,
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190 ipvt.fortran_vec (),
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191 utmp.data (), vtmp.data (), w));
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192 }
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193 for (octave_idx_type i = 0; i < m; i++) ipvt(i) -= 1; // decrement
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194 }
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195 else
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196 (*current_liboctave_error_handler) ("luupdate: dimensions mismatch");
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197 }
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198
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199 #else
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200
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201 void FloatLU::update (const FloatColumnVector&, const FloatColumnVector&)
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202 {
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203 (*current_liboctave_error_handler)
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204 ("luupdate: not available in this version");
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205 }
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206
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207 void FloatLU::update (const FloatMatrix&, const FloatMatrix&)
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208 {
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209 (*current_liboctave_error_handler)
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210 ("luupdate: not available in this version");
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211 }
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212
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213 void FloatLU::update_piv (const FloatColumnVector&, const FloatColumnVector&)
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214 {
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215 (*current_liboctave_error_handler)
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216 ("luupdate: not available in this version");
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217 }
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218
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219 void FloatLU::update_piv (const FloatMatrix&, const FloatMatrix&)
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220 {
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221 (*current_liboctave_error_handler)
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222 ("luupdate: not available in this version");
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223 }
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224
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225 #endif