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annotate liboctave/Sparse-perm-op-defs.h @ 14846:460a3c6d8bf1

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maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists. Example: func() => func () * dynamic.txi, func.txi, oop.txi, var.txi, embedded.cc, fortdemo.cc, funcdemo.cc, paramdemo.cc, stringdemo.cc, unwinddemo.cc, Array.cc, Array.h, CColVector.cc, CDiagMatrix.h, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, CmplxGEPBAL.cc, EIG.cc, MSparse.cc, MatrixType.cc, Sparse-op-defs.h, Sparse-perm-op-defs.h, Sparse.cc, Sparse.h, SparseCmplxCHOL.cc, SparseCmplxCHOL.h, SparseCmplxLU.cc, SparseCmplxQR.cc, SparseCmplxQR.h, SparseQR.cc, SparseQR.h, SparsedbleCHOL.cc, SparsedbleCHOL.h, SparsedbleLU.cc, SparsedbleLU.h, base-lu.cc, cmd-hist.cc, dColVector.cc, dDiagMatrix.h, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dbleCHOL.cc, dbleGEPBAL.cc, dim-vector.cc, eigs-base.cc, f2c-main.c, fCColVector.cc, fCDiagMatrix.h, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fCmplxGEPBAL.cc, fColVector.cc, fDiagMatrix.h, fEIG.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, file-ops.cc, file-stat.cc, floatCHOL.cc, floatGEPBAL.cc, idx-vector.h, lo-specfun.cc, lo-sysdep.cc, mx-inlines.cc, oct-binmap.h, oct-convn.cc, oct-md5.cc, oct-mem.h, oct-rand.cc, oct-syscalls.cc, randgamma.c, randmtzig.c, sparse-base-chol.cc, sparse-base-chol.h, sparse-base-lu.cc, sparse-dmsolve.cc, tempname.c, curl.m, divergence.m, randi.m, dlmwrite.m, edit.m, getappdata.m, what.m, getarchdir.m, install.m, installed_packages.m, repackage.m, unload_packages.m, colorbar.m, figure.m, isosurface.m, legend.m, loglog.m, plot.m, plot3.m, plotyy.m, polar.m, __errplot__.m, __ghostscript__.m, __marching_cube__.m, __plt__.m, __scatter__.m, semilogx.m, semilogy.m, trimesh.m, trisurf.m, demo.m, test.m, datetick.m, __delaunayn__.cc, __dsearchn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, balance.cc, bsxfun.cc, ccolamd.cc, cellfun.cc, chol.cc, daspk.cc, dasrt.cc, dassl.cc, dmperm.cc, eig.cc, eigs.cc, fftw.cc, filter.cc, find.cc, kron.cc, lookup.cc, lsode.cc, matrix_type.cc, md5sum.cc, mgorth.cc, qr.cc, quad.cc, rand.cc, regexp.cc, symbfact.cc, tril.cc, urlwrite.cc, op-bm-bm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-cm-cm.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fdm-fdm.cc, op-fm-fm.cc, op-int.h, op-m-m.cc, op-m-scm.cc, op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-range.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-str.cc, op-struct.cc, bitfcns.cc, data.cc, debug.cc, dynamic-ld.cc, error.cc, gl-render.cc, graphics.cc, graphics.in.h, load-path.cc, ls-hdf5.cc, ls-mat5.cc, ls-mat5.h, ls-oct-ascii.cc, ls-oct-ascii.h, mex.cc, mk-errno-list, oct-map.cc, oct-obj.h, oct-parse.yy, octave-config.in.cc, ov-base-int.cc, ov-base-mat.cc, ov-base.cc, ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-cell.cc, ov-class.cc, ov-class.h, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-intx.h, ov-range.h, ov-re-mat.cc, ov-re-sparse.cc, ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.h, ov.h, pr-output.cc, pt-id.cc, pt-id.h, pt-mat.cc, pt-select.cc, sparse.cc, symtab.cc, symtab.h, syscalls.cc, toplev.cc, txt-eng-ft.cc, variables.cc, zfstream.cc, zfstream.h, Dork.m, getStash.m, myStash.m, Gork.m, Pork.m, myStash.m, getStash.m, myStash.m, getStash.m, myStash.m, fntests.m: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
author Rik <octave@nomad.inbox5.com>
date Sun, 08 Jul 2012 11:28:50 -0700
parents 72c96de7a403
children 3d8ace26c5b4
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1 /* -*- C++ -*-
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2
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3 Copyright (C) 2009-2012 Jason Riedy
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4
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #if !defined (octave_sparse_perm_op_defs_h)
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24 #define octave_sparse_perm_op_defs_h 1
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25
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26 // Matrix multiplication
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27
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28 template <typename SM>
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29 SM octinternal_do_mul_colpm_sm (const octave_idx_type *pcol, const SM& a)
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30 // Relabel the rows according to pcol.
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31 {
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32 const octave_idx_type nr = a.rows ();
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33 const octave_idx_type nc = a.cols ();
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34 const octave_idx_type nent = a.nnz ();
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35 SM r (nr, nc, nent);
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36
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37 octave_sort<octave_idx_type> sort;
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38
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39 for (octave_idx_type j = 0; j <= nc; ++j)
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40 r.xcidx (j) = a.cidx (j);
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41
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42 for (octave_idx_type j = 0; j < nc; j++)
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43 {
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44 octave_quit ();
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45
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46 OCTAVE_LOCAL_BUFFER (octave_idx_type, sidx, r.xcidx(j+1) - r.xcidx(j));
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47 for (octave_idx_type i = r.xcidx(j), ii = 0; i < r.xcidx(j+1); i++)
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48 {
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49 sidx[ii++]=i;
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50 r.xridx (i) = pcol[a.ridx (i)];
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51 }
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52 sort.sort (r.xridx () + r.xcidx(j), sidx, r.xcidx(j+1) - r.xcidx(j));
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53 for (octave_idx_type i = r.xcidx(j), ii = 0; i < r.xcidx(j+1); i++)
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54 r.xdata(i) = a.data (sidx[ii++]);
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55 }
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56
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57 return r;
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58 }
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59
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60 template <typename SM>
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61 SM octinternal_do_mul_pm_sm (const PermMatrix& p, const SM& a)
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62 {
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63 const octave_idx_type nr = a.rows ();
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64 if (p.cols () != nr)
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65 {
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66 gripe_nonconformant ("operator *", p.rows (), p.cols (), a.rows (), a.cols ());
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67 return SM ();
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68 }
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69
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70 if (p.is_row_perm ())
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71 {
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72 // Form the column permutation and then call the colpm_sm routine.
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73 const octave_idx_type *prow = p.pvec ().data ();
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74 OCTAVE_LOCAL_BUFFER(octave_idx_type, pcol, nr);
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75 for (octave_idx_type i = 0; i < nr; ++i)
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76 pcol[prow[i]] = i;
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77 return octinternal_do_mul_colpm_sm (pcol, a);
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78 }
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79 else
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80 return octinternal_do_mul_colpm_sm (p.pvec ().data (), a);
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81 }
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82
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83 template <typename SM>
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84 SM octinternal_do_mul_sm_rowpm (const SM& a, const octave_idx_type *prow)
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85 // For a row permutation, iterate across the source a and stuff the
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86 // results into the correct destination column in r.
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87 {
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88 const octave_idx_type nr = a.rows ();
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89 const octave_idx_type nc = a.cols ();
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90 const octave_idx_type nent = a.nnz ();
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91 SM r (nr, nc, nent);
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92
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93 for (octave_idx_type j_src = 0; j_src < nc; ++j_src)
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94 r.xcidx (prow[j_src]) = a.cidx (j_src+1) - a.cidx (j_src);
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95 octave_idx_type k = 0;
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96 for (octave_idx_type j = 0; j < nc; ++j)
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97 {
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98 const octave_idx_type tmp = r.xcidx (j);
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99 r.xcidx (j) = k;
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100 k += tmp;
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101 }
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102 r.xcidx (nc) = nent;
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103
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104 octave_idx_type k_src = 0;
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105 for (octave_idx_type j_src = 0; j_src < nc; ++j_src)
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106 {
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107 octave_quit ();
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108 const octave_idx_type j = prow[j_src];
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109 const octave_idx_type kend_src = a.cidx (j_src + 1);
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110 for (k = r.xcidx (j); k_src < kend_src; ++k, ++k_src)
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111 {
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112 r.xridx (k) = a.ridx (k_src);
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113 r.xdata (k) = a.data (k_src);
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114 }
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115 }
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116 assert (k_src == nent);
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117
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118 return r;
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119 }
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120
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121 template <typename SM>
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122 SM octinternal_do_mul_sm_colpm (const SM& a, const octave_idx_type *pcol)
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123 // For a column permutation, iterate across the destination r and pull
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124 // data from the correct column of a.
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125 {
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126 const octave_idx_type nr = a.rows ();
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127 const octave_idx_type nc = a.cols ();
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128 const octave_idx_type nent = a.nnz ();
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129 SM r (nr, nc, nent);
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130
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131 for (octave_idx_type j = 0; j < nc; ++j)
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132 {
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133 const octave_idx_type j_src = pcol[j];
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134 r.xcidx (j+1) = r.xcidx (j) + (a.cidx (j_src+1) - a.cidx (j_src));
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135 }
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136 assert (r.xcidx (nc) == nent);
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137
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138 octave_idx_type k = 0;
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139 for (octave_idx_type j = 0; j < nc; ++j)
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140 {
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141 octave_quit ();
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142 const octave_idx_type j_src = pcol[j];
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143 octave_idx_type k_src;
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144 const octave_idx_type kend_src = a.cidx (j_src + 1);
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145 for (k_src = a.cidx (j_src); k_src < kend_src; ++k_src, ++k)
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146 {
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147 r.xridx (k) = a.ridx (k_src);
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148 r.xdata (k) = a.data (k_src);
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149 }
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150 }
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151 assert (k == nent);
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152
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153 return r;
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154 }
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155
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156 template <typename SM>
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157 SM octinternal_do_mul_sm_pm (const SM& a, const PermMatrix& p)
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158 {
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159 const octave_idx_type nc = a.cols ();
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160 if (p.rows () != nc)
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161 {
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162 gripe_nonconformant ("operator *", a.rows (), a.cols (), p.rows (), p.cols ());
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163 return SM ();
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164 }
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165
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166 if (p.is_row_perm ())
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167 return octinternal_do_mul_sm_rowpm (a, p.pvec ().data ());
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168 else
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169 return octinternal_do_mul_sm_colpm (a, p.pvec ().data ());
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170 }
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171
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172 #endif // octave_sparse_perm_op_defs_h