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annotate liboctave/numeric/gepbalance.cc @ 25103:078b795c5219 stable

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maint: style check C++ ahead of 4.4 release. * ButtonGroup.cc, Canvas.cc, Figure.cc, GLCanvas.cc, GLCanvas.h, ListBoxControl.cc, ObjectProxy.cc, QTerminal.h, dialog.cc, documentation.cc, files-dock-widget.cc, history-dock-widget.cc, file-editor-tab.cc, file-editor.h, find-dialog.cc, marker.h, octave-qscintilla.cc, octave-qscintilla.h, main-window.cc, webinfo.cc, resource-manager.h, settings-dialog.cc, shortcut-manager.cc, shortcut-manager.h, variable-editor.cc, workspace-view.cc, build-env.in.cc, __ilu__.cc, cellfun.cc, data.cc, dirfns.cc, dynamic-ld.h, environment.cc, error.cc, fcn-info.cc, gl-render.cc, gl2ps-print.cc, graphics.cc, graphics.in.h, help.cc, interpreter.cc, load-path.cc, load-save.cc, ls-mat5.cc, mex.cc, oct-stream.cc, oct-stream.h, qz.cc, sighandlers.cc, sparse-xpow.cc, svd.cc, symscope.h, symtab.cc, symtab.h, sysdep.cc, url-handle-manager.h, utils.cc, variables.cc, __init_fltk__.cc, __ode15__.cc, gzip.cc, ov-base.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-dld-fcn.h, ov-fcn-handle.cc, ov-java.cc, ov-re-diag.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.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-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.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-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.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-m.cc, op-str-s.cc, op-str-str.cc, bp-table.cc, comment-list.h, jit-ir.h, jit-typeinfo.cc, jit-typeinfo.h, lex.h, parse.h, pt-binop.h, pt-decl.h, pt-eval.cc, pt-jit.cc, pt-jit.h, pt-misc.h, token.h, CMatrix.cc, CMatrix.h, CSparse.cc, CSparse.h, dMatrix.h, fCMatrix.cc, fCMatrix.h, fMatrix.h, Faddeeva.cc, gepbalance.cc, hess.cc, oct-fftw.cc, oct-fftw.h, file-stat.cc, lo-sysinfo.cc, action-container.h, f77-fcn.h, lo-regexp.cc, oct-mutex.h, oct-shlib.cc: Use Octave coding conventions in C++ files.
author Rik <rik@octave.org>
date Tue, 03 Apr 2018 13:52:07 -0700
parents 6652d3823428
children 00f796120a6d
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1 /*
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2
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3 Copyright (C) 1994-2018 John W. Eaton
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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
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9 the Free Software Foundation, either version 3 of the License, or
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10 (at your 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
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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 <https://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 (HAVE_CONFIG_H)
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24 # include "config.h"
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25 #endif
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26
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27 #include "CMatrix.h"
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28 #include "dMatrix.h"
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29 #include "fCMatrix.h"
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30 #include "fMatrix.h"
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31 #include "gepbalance.h"
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32 #include "lo-array-errwarn.h"
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33 #include "lo-error.h"
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34 #include "lo-lapack-proto.h"
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35 #include "oct-locbuf.h"
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36 #include "quit.h"
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37
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38 namespace octave
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39 {
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40 namespace math
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41 {
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42 template <>
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43 octave_idx_type
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44 gepbalance<Matrix>::init (const Matrix& a, const Matrix& b,
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45 const std::string& balance_job)
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46 {
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47 F77_INT n = to_f77_int (a.cols ());
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48
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49 if (a.rows () != n)
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50 (*current_liboctave_error_handler)
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51 ("GEPBALANCE requires square matrix");
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52
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53 if (a.dims () != b.dims ())
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54 err_nonconformant ("GEPBALANCE", n, n, b.rows(), b.cols());
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56 F77_INT info;
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57 F77_INT ilo;
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58 F77_INT ihi;
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59
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60 OCTAVE_LOCAL_BUFFER (double, plscale, n);
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61 OCTAVE_LOCAL_BUFFER (double, prscale, n);
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62 OCTAVE_LOCAL_BUFFER (double, pwork, 6 * n);
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63
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64 balanced_mat = a;
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65 double *p_balanced_mat = balanced_mat.fortran_vec ();
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66 balanced_mat2 = b;
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67 double *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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68
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69 char job = balance_job[0];
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71 F77_XFCN (dggbal, DGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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72 n, p_balanced_mat, n, p_balanced_mat2,
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73 n, ilo, ihi, plscale, prscale, pwork, info
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74 F77_CHAR_ARG_LEN (1)));
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75
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76 balancing_mat = Matrix (n, n, 0.0);
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77 balancing_mat2 = Matrix (n, n, 0.0);
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78 for (F77_INT i = 0; i < n; i++)
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79 {
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80 octave_quit ();
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81 balancing_mat.elem (i ,i) = 1.0;
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82 balancing_mat2.elem (i ,i) = 1.0;
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83 }
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84
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85 double *p_balancing_mat = balancing_mat.fortran_vec ();
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86 double *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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87
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88 // first left
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89 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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90 F77_CONST_CHAR_ARG2 ("L", 1),
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91 n, ilo, ihi, plscale, prscale,
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92 n, p_balancing_mat, n, info
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93 F77_CHAR_ARG_LEN (1)
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94 F77_CHAR_ARG_LEN (1)));
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95
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96 // then right
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97 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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98 F77_CONST_CHAR_ARG2 ("R", 1),
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99 n, ilo, ihi, plscale, prscale,
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100 n, p_balancing_mat2, n, info
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101 F77_CHAR_ARG_LEN (1)
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102 F77_CHAR_ARG_LEN (1)));
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103
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104 return info;
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105 }
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106
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107 template <>
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108 octave_idx_type
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109 gepbalance<FloatMatrix>::init (const FloatMatrix& a, const FloatMatrix& b,
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110 const std::string& balance_job)
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111 {
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112 F77_INT n = to_f77_int (a.cols ());
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113
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114 if (a.rows () != n)
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115 (*current_liboctave_error_handler)
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116 ("FloatGEPBALANCE requires square matrix");
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117
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118 if (a.dims () != b.dims ())
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119 err_nonconformant ("FloatGEPBALANCE",
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120 n, n, b.rows(), b.cols());
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121
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122 F77_INT info;
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123 F77_INT ilo;
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124 F77_INT ihi;
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125
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126 OCTAVE_LOCAL_BUFFER (float, plscale, n);
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127 OCTAVE_LOCAL_BUFFER (float, prscale, n);
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128 OCTAVE_LOCAL_BUFFER (float, pwork, 6 * n);
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129
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130 balanced_mat = a;
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131 float *p_balanced_mat = balanced_mat.fortran_vec ();
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132 balanced_mat2 = b;
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133 float *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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134
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135 char job = balance_job[0];
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136
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137 F77_XFCN (sggbal, SGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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138 n, p_balanced_mat, n, p_balanced_mat2,
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139 n, ilo, ihi, plscale, prscale, pwork, info
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140 F77_CHAR_ARG_LEN (1)));
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141
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142 balancing_mat = FloatMatrix (n, n, 0.0);
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143 balancing_mat2 = FloatMatrix (n, n, 0.0);
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144 for (F77_INT i = 0; i < n; i++)
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145 {
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146 octave_quit ();
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147 balancing_mat.elem (i ,i) = 1.0;
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148 balancing_mat2.elem (i ,i) = 1.0;
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149 }
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150
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151 float *p_balancing_mat = balancing_mat.fortran_vec ();
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152 float *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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153
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154 // first left
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155 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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156 F77_CONST_CHAR_ARG2 ("L", 1),
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157 n, ilo, ihi, plscale, prscale,
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158 n, p_balancing_mat, n, info
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159 F77_CHAR_ARG_LEN (1)
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160 F77_CHAR_ARG_LEN (1)));
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161
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162 // then right
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163 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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164 F77_CONST_CHAR_ARG2 ("R", 1),
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165 n, ilo, ihi, plscale, prscale,
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166 n, p_balancing_mat2, n, info
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167 F77_CHAR_ARG_LEN (1)
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168 F77_CHAR_ARG_LEN (1)));
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169
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170 return info;
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171 }
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172
22329
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173 template <>
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174 octave_idx_type
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175 gepbalance<ComplexMatrix>::init (const ComplexMatrix& a,
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176 const ComplexMatrix& b,
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177 const std::string& balance_job)
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178 {
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179 F77_INT n = to_f77_int (a.cols ());
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180
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181 if (a.rows () != n)
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182 (*current_liboctave_error_handler)
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183 ("ComplexGEPBALANCE requires square matrix");
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184
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185 if (a.dims () != b.dims ())
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186 err_nonconformant ("ComplexGEPBALANCE",
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187 n, n, b.rows(), b.cols());
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188
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189 F77_INT info;
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190 F77_INT ilo;
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191 F77_INT ihi;
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192
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193 OCTAVE_LOCAL_BUFFER (double, plscale, n);
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194 OCTAVE_LOCAL_BUFFER (double, prscale, n);
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195 OCTAVE_LOCAL_BUFFER (double, pwork, 6 * n);
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196
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197 balanced_mat = a;
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198 Complex *p_balanced_mat = balanced_mat.fortran_vec ();
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199 balanced_mat2 = b;
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200 Complex *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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201
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202 char job = balance_job[0];
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203
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204 F77_XFCN (zggbal, ZGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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205 n, F77_DBLE_CMPLX_ARG (p_balanced_mat),
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206 n, F77_DBLE_CMPLX_ARG (p_balanced_mat2),
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207 n, ilo, ihi, plscale, prscale, pwork, info
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208 F77_CHAR_ARG_LEN (1)));
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209
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210 balancing_mat = Matrix (n, n, 0.0);
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211 balancing_mat2 = Matrix (n, n, 0.0);
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212 for (F77_INT i = 0; i < n; i++)
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213 {
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214 octave_quit ();
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215 balancing_mat.elem (i ,i) = 1.0;
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216 balancing_mat2.elem (i ,i) = 1.0;
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217 }
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218
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219 double *p_balancing_mat = balancing_mat.fortran_vec ();
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220 double *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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221
22329
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222 // first left
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223 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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224 F77_CONST_CHAR_ARG2 ("L", 1),
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225 n, ilo, ihi, plscale, prscale,
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226 n, p_balancing_mat, n, info
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diff changeset
227 F77_CHAR_ARG_LEN (1)
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228 F77_CHAR_ARG_LEN (1)));
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229
22329
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230 // then right
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231 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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232 F77_CONST_CHAR_ARG2 ("R", 1),
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233 n, ilo, ihi, plscale, prscale,
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234 n, p_balancing_mat2, n, info
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235 F77_CHAR_ARG_LEN (1)
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236 F77_CHAR_ARG_LEN (1)));
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237
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238 return info;
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239 }
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240
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241 template <>
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242 octave_idx_type
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243 gepbalance<FloatComplexMatrix>::init (const FloatComplexMatrix& a,
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244 const FloatComplexMatrix& b,
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245 const std::string& balance_job)
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246 {
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247 F77_INT n = to_f77_int (a.cols ());
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248
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249 if (a.rows () != n)
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250 {
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251 (*current_liboctave_error_handler)
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252 ("FloatComplexGEPBALANCE requires square matrix");
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253 return -1;
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254 }
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255
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256 if (a.dims () != b.dims ())
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257 err_nonconformant ("FloatComplexGEPBALANCE",
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258 n, n, b.rows(), b.cols());
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259
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260 F77_INT info;
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261 F77_INT ilo;
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262 F77_INT ihi;
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263
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264 OCTAVE_LOCAL_BUFFER (float, plscale, n);
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265 OCTAVE_LOCAL_BUFFER (float, prscale, n);
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266 OCTAVE_LOCAL_BUFFER (float, pwork, 6 * n);
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267
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268 balanced_mat = a;
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269 FloatComplex *p_balanced_mat = balanced_mat.fortran_vec ();
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270 balanced_mat2 = b;
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271 FloatComplex *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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272
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273 char job = balance_job[0];
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274
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275 F77_XFCN (cggbal, CGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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276 n, F77_CMPLX_ARG (p_balanced_mat),
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277 n, F77_CMPLX_ARG (p_balanced_mat2),
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278 n, ilo, ihi, plscale, prscale, pwork, info
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279 F77_CHAR_ARG_LEN (1)));
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280
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281 balancing_mat = FloatMatrix (n, n, 0.0);
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282 balancing_mat2 = FloatMatrix (n, n, 0.0);
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283 for (F77_INT i = 0; i < n; i++)
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284 {
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285 octave_quit ();
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286 balancing_mat.elem (i ,i) = 1.0;
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287 balancing_mat2.elem (i ,i) = 1.0;
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288 }
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289
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290 float *p_balancing_mat = balancing_mat.fortran_vec ();
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291 float *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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292
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293 // first left
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294 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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295 F77_CONST_CHAR_ARG2 ("L", 1),
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296 n, ilo, ihi, plscale, prscale,
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297 n, p_balancing_mat, n, info
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298 F77_CHAR_ARG_LEN (1)
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299 F77_CHAR_ARG_LEN (1)));
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300
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301 // then right
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302 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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303 F77_CONST_CHAR_ARG2 ("R", 1),
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304 n, ilo, ihi, plscale, prscale,
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305 n, p_balancing_mat2, n, info
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306 F77_CHAR_ARG_LEN (1)
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307 F77_CHAR_ARG_LEN (1)));
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308
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309 return info;
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310 }
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311
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312 // Instantiations we need.
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313
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314 template class gepbalance<Matrix>;
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315
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316 template class gepbalance<FloatMatrix>;
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317
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318 template class gepbalance<ComplexMatrix>;
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319
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320 template class gepbalance<FloatComplexMatrix>;
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321 }
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322 }