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annotate liboctave/numeric/gepbalance.cc @ 22327:d0562b3159c7

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move more classes inside octave namespace * ov-complex.cc, quit.h, lo-array-errwarn.h, lo-array-errwarn.cc, lo-array-gripes.cc: Move classes inside octave namespace. * NEWS, file-editor-tab.cc, Cell.cc, __qp__.cc, cellfun.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, error.cc, error.h, errwarn.cc, errwarn.h, file-io.cc, gcd.cc, graphics.cc, graphics.in.h, gripes.cc, gripes.h, input.cc, interpreter.cc, interpreter.h, inv.cc, jit-typeinfo.cc, load-path.cc, ls-mat-ascii.cc, ls-mat5.cc, lsode.cc, mex.cc, oct-handle.h, oct-map.cc, oct-stream.cc, quad.cc, rand.cc, sparse-xdiv.cc, sparse-xpow.cc, sparse.cc, sub2ind.cc, toplev.cc, utils.cc, variables.cc, xdiv.cc, xpow.cc, __eigs__.cc, __init_gnuplot__.cc, ov-base-diag.cc, ov-base-mat.cc, ov-base-scalar.cc, ov-base-sparse.cc, ov-base.cc, ov-class.cc, ov-classdef.cc, ov-complex.h, ov-complex.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-float.cc, ov-float.h, ov-flt-complex.h, ov-flt-cx-mat.cc, ov-flt-re-mat.cc, ov-java.cc, ov-oncleanup.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc, ov-re-sparse.cc, ov-scalar.cc, ov-scalar.h, ov-str-mat.cc, ov.cc, op-cs-cs.cc, op-fcs-fcs.cc, op-fs-fs.cc, op-int.h, op-s-s.cc, ops.h, oct-parse.in.yy, pt-assign.cc, pt-eval.cc, pt-idx.cc, pt.cc, Array-util.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc, CNDArray.cc, CRowVector.cc, CSparse.cc, DiagArray2.cc, MDiagArray2.cc, MSparse.cc, PermMatrix.cc, Range.cc, Sparse.cc, dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, fCColVector.cc, fCDiagMatrix.cc, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, quit.cc, quit.h, gepbalance.cc, Sparse-diag-op-defs.h, Sparse-op-defs.h, Sparse-perm-op-defs.h, mx-inlines.cc, mx-op-defs.h, cmd-edit.cc, lo-array-errwarn.cc, lo-array-errwarn.h, lo-array-gripes.cc, lo-array-gripes.h, oct-binmap.h: Update to use namespace.
author John W. Eaton <jwe@octave.org>
date Wed, 17 Aug 2016 03:41:42 -0400
parents bac0d6f07a3e
children 7f3c7a8bd131
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1 /*
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2
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3 Copyright (C) 1994-2016 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 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 (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 <string>
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28 #include <vector>
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29
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30 #include "Array-util.h"
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31 #include "CMatrix.h"
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32 #include "dMatrix.h"
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33 #include "fCMatrix.h"
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34 #include "fMatrix.h"
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35 #include "gepbalance.h"
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36 #include "lo-lapack-proto.h"
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37 #include "oct-locbuf.h"
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38
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39 namespace octave
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40 {
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41 namespace math
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42 {
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43
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44 template <>
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45 octave_idx_type
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46 gepbalance<Matrix>::init (const Matrix& a, const Matrix& b,
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47 const std::string& balance_job)
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48 {
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49 octave_idx_type n = a.cols ();
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50
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51 if (a.rows () != n)
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52 (*current_liboctave_error_handler) ("GEPBALANCE requires square matrix");
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53
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54 if (a.dims () != b.dims ())
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55 octave::err_nonconformant ("GEPBALANCE", n, n, b.rows(), b.cols());
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56
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57 octave_idx_type info;
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58 octave_idx_type ilo;
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59 octave_idx_type ihi;
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60
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61 OCTAVE_LOCAL_BUFFER (double, plscale, n);
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62 OCTAVE_LOCAL_BUFFER (double, prscale, n);
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63 OCTAVE_LOCAL_BUFFER (double, pwork, 6 * n);
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64
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65 balanced_mat = a;
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66 double *p_balanced_mat = balanced_mat.fortran_vec ();
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67 balanced_mat2 = b;
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68 double *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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69
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70 char job = balance_job[0];
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71
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72 F77_XFCN (dggbal, DGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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73 n, p_balanced_mat, n, p_balanced_mat2,
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74 n, ilo, ihi, plscale, prscale, pwork, info
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75 F77_CHAR_ARG_LEN (1)));
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76
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77 balancing_mat = Matrix (n, n, 0.0);
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78 balancing_mat2 = Matrix (n, n, 0.0);
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79 for (octave_idx_type i = 0; i < n; i++)
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80 {
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81 octave_quit ();
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82 balancing_mat.elem (i ,i) = 1.0;
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83 balancing_mat2.elem (i ,i) = 1.0;
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84 }
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85
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86 double *p_balancing_mat = balancing_mat.fortran_vec ();
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87 double *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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88
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89 // first left
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90 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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91 F77_CONST_CHAR_ARG2 ("L", 1),
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92 n, ilo, ihi, plscale, prscale,
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93 n, p_balancing_mat, n, info
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94 F77_CHAR_ARG_LEN (1)
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95 F77_CHAR_ARG_LEN (1)));
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96
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97 // then right
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98 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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99 F77_CONST_CHAR_ARG2 ("R", 1),
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100 n, ilo, ihi, plscale, prscale,
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101 n, p_balancing_mat2, n, info
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102 F77_CHAR_ARG_LEN (1)
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103 F77_CHAR_ARG_LEN (1)));
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104
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105 return info;
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106 }
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107
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108 template <>
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109 octave_idx_type
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110 gepbalance<FloatMatrix>::init (const FloatMatrix& a, const FloatMatrix& b,
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111 const std::string& balance_job)
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112 {
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113 octave_idx_type n = a.cols ();
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114
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115 if (a.rows () != n)
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116 (*current_liboctave_error_handler)
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117 ("FloatGEPBALANCE requires square matrix");
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118
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119 if (a.dims () != b.dims ())
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120 octave::err_nonconformant ("FloatGEPBALANCE", n, n, b.rows(), b.cols());
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121
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122 octave_idx_type info;
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123 octave_idx_type ilo;
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124 octave_idx_type 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 (octave_idx_type 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
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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 octave_idx_type n = 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 octave::err_nonconformant ("ComplexGEPBALANCE", n, n, b.rows(), b.cols());
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187
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188 octave_idx_type info;
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189 octave_idx_type ilo;
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190 octave_idx_type ihi;
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191
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192 OCTAVE_LOCAL_BUFFER (double, plscale, n);
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193 OCTAVE_LOCAL_BUFFER (double, prscale, n);
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194 OCTAVE_LOCAL_BUFFER (double, pwork, 6 * n);
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195
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196 balanced_mat = a;
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197 Complex *p_balanced_mat = balanced_mat.fortran_vec ();
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198 balanced_mat2 = b;
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199 Complex *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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200
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201 char job = balance_job[0];
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202
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203 F77_XFCN (zggbal, ZGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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204 n, F77_DBLE_CMPLX_ARG (p_balanced_mat), n, F77_DBLE_CMPLX_ARG (p_balanced_mat2),
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205 n, ilo, ihi, plscale, prscale, pwork, info
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206 F77_CHAR_ARG_LEN (1)));
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207
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208 balancing_mat = Matrix (n, n, 0.0);
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209 balancing_mat2 = Matrix (n, n, 0.0);
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210 for (octave_idx_type i = 0; i < n; i++)
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211 {
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212 octave_quit ();
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213 balancing_mat.elem (i ,i) = 1.0;
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214 balancing_mat2.elem (i ,i) = 1.0;
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215 }
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216
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217 double *p_balancing_mat = balancing_mat.fortran_vec ();
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218 double *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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219
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220 // first left
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221 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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222 F77_CONST_CHAR_ARG2 ("L", 1),
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223 n, ilo, ihi, plscale, prscale,
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224 n, p_balancing_mat, n, info
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225 F77_CHAR_ARG_LEN (1)
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226 F77_CHAR_ARG_LEN (1)));
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227
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228 // then right
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229 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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230 F77_CONST_CHAR_ARG2 ("R", 1),
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231 n, ilo, ihi, plscale, prscale,
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232 n, p_balancing_mat2, n, info
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233 F77_CHAR_ARG_LEN (1)
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234 F77_CHAR_ARG_LEN (1)));
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235
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236 return info;
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237 }
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238
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239 template <>
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240 octave_idx_type
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241 gepbalance<FloatComplexMatrix>::init (const FloatComplexMatrix& a,
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242 const FloatComplexMatrix& b,
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243 const std::string& balance_job)
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244 {
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245 octave_idx_type n = a.cols ();
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246
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247 if (a.rows () != n)
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248 {
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249 (*current_liboctave_error_handler)
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250 ("FloatComplexGEPBALANCE requires square matrix");
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251 return -1;
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252 }
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253
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254 if (a.dims () != b.dims ())
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255 octave::err_nonconformant ("FloatComplexGEPBALANCE", n, n, b.rows(), b.cols());
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256
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257 octave_idx_type info;
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258 octave_idx_type ilo;
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259 octave_idx_type ihi;
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260
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261 OCTAVE_LOCAL_BUFFER (float, plscale, n);
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262 OCTAVE_LOCAL_BUFFER (float, prscale, n);
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263 OCTAVE_LOCAL_BUFFER (float, pwork, 6 * n);
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264
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265 balanced_mat = a;
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266 FloatComplex *p_balanced_mat = balanced_mat.fortran_vec ();
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267 balanced_mat2 = b;
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268 FloatComplex *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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269
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270 char job = balance_job[0];
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271
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272 F77_XFCN (cggbal, CGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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273 n, F77_CMPLX_ARG (p_balanced_mat), n, F77_CMPLX_ARG (p_balanced_mat2),
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274 n, ilo, ihi, plscale, prscale, pwork, info
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275 F77_CHAR_ARG_LEN (1)));
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276
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277 balancing_mat = FloatMatrix (n, n, 0.0);
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278 balancing_mat2 = FloatMatrix (n, n, 0.0);
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279 for (octave_idx_type i = 0; i < n; i++)
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280 {
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281 octave_quit ();
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282 balancing_mat.elem (i ,i) = 1.0;
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283 balancing_mat2.elem (i ,i) = 1.0;
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284 }
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285
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286 float *p_balancing_mat = balancing_mat.fortran_vec ();
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287 float *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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288
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289 // first left
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290 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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291 F77_CONST_CHAR_ARG2 ("L", 1),
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292 n, ilo, ihi, plscale, prscale,
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293 n, p_balancing_mat, n, info
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294 F77_CHAR_ARG_LEN (1)
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295 F77_CHAR_ARG_LEN (1)));
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296
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297 // then right
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298 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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299 F77_CONST_CHAR_ARG2 ("R", 1),
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300 n, ilo, ihi, plscale, prscale,
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301 n, p_balancing_mat2, n, info
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302 F77_CHAR_ARG_LEN (1)
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303 F77_CHAR_ARG_LEN (1)));
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304
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305 return info;
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306 }
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307
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308 // Instantiations we need.
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309
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310 template class gepbalance<Matrix>;
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311
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312 template class gepbalance<FloatMatrix>;
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313
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314 template class gepbalance<ComplexMatrix>;
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315
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316 template class gepbalance<FloatComplexMatrix>;
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317
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318 }
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319 }