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annotate liboctave/numeric/gepbalance.cc @ 22135:407c66ae1e20

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reduce warnings from GCC's link-time optimization feature (bug #48531) * f77-fcn.h (F77_DBLE_CMPLX, F77_CMPLX): Use C types instead of typedefs for std::complex<T> types. (F77_CMPLX_ARG, F77_CONST_CMPLX_ARG, F77_DBLE_CMPLX_ARG, F77_CONST_DBLE_CMPLX_ARG): New macros. * dot.cc, ordschur.cc, qz.cc, CColVector.cc, CMatrix.cc, CRowVector.cc, CSparse.cc, dSparse.cc, fCColVector.cc, fCMatrix.cc, fCRowVector.cc, f77-fcn.h, EIG.cc, aepbalance.cc, chol.cc, eigs-base.cc, fEIG.cc, gepbalance.cc, hess.cc, lo-specfun.cc, lu.cc, oct-convn.cc, qr.cc, qrp.cc, schur.cc, svd.cc: Use new macros for passing complex arguments to Fortran function. Always pass pointers to complex arguments.
author John W. Eaton <jwe@octave.org>
date Mon, 18 Jul 2016 09:38:57 -0400
parents 59cadee1c74b
children 6ca3acf5fad8
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 1994-2015 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 "f77-fcn.h"
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34 #include "fCMatrix.h"
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35 #include "fMatrix.h"
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36 #include "gepbalance.h"
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37 #include "oct-locbuf.h"
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38
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39 extern "C"
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40 {
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41 F77_RET_T
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42 F77_FUNC (dggbal, DGGBAL) (F77_CONST_CHAR_ARG_DECL,
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43 const F77_INT& N,
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44 F77_DBLE* A, const F77_INT& LDA,
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45 F77_DBLE* B, const F77_INT& LDB,
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46 F77_INT& ILO, F77_INT& IHI,
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47 F77_DBLE* LSCALE, F77_DBLE* RSCALE,
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48 F77_DBLE* WORK, F77_INT& INFO
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49 F77_CHAR_ARG_LEN_DECL);
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50
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51 F77_RET_T
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52 F77_FUNC (dggbak, DGGBAK) (F77_CONST_CHAR_ARG_DECL,
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53 F77_CONST_CHAR_ARG_DECL,
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54 const F77_INT& N,
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55 const F77_INT& ILO,
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56 const F77_INT& IHI,
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57 const F77_DBLE* LSCALE, const F77_DBLE* RSCALE,
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58 F77_INT& M, F77_DBLE* V,
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59 const F77_INT& LDV, F77_INT& INFO
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60 F77_CHAR_ARG_LEN_DECL
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61 F77_CHAR_ARG_LEN_DECL);
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62
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63 F77_RET_T
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64 F77_FUNC (sggbal, SGGBAL) (F77_CONST_CHAR_ARG_DECL,
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65 const F77_INT& N, F77_REAL* A,
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66 const F77_INT& LDA, F77_REAL* B,
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67 const F77_INT& LDB,
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68 F77_INT& ILO, F77_INT& IHI,
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69 F77_REAL* LSCALE, F77_REAL* RSCALE,
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70 F77_REAL* WORK, F77_INT& INFO
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71 F77_CHAR_ARG_LEN_DECL);
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72
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73 F77_RET_T
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74 F77_FUNC (sggbak, SGGBAK) (F77_CONST_CHAR_ARG_DECL,
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75 F77_CONST_CHAR_ARG_DECL,
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76 const F77_INT& N,
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77 const F77_INT& ILO,
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78 const F77_INT& IHI,
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79 const F77_REAL* LSCALE, const F77_REAL* RSCALE,
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80 F77_INT& M, F77_REAL* V,
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81 const F77_INT& LDV, F77_INT& INFO
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82 F77_CHAR_ARG_LEN_DECL
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83 F77_CHAR_ARG_LEN_DECL);
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84
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85 F77_RET_T
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86 F77_FUNC (zggbal, ZGGBAL) (F77_CONST_CHAR_ARG_DECL,
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87 const F77_INT& N, F77_DBLE_CMPLX* A,
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88 const F77_INT& LDA, F77_DBLE_CMPLX* B,
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89 const F77_INT& LDB,
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90 F77_INT& ILO, F77_INT& IHI,
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91 F77_DBLE* LSCALE, F77_DBLE* RSCALE,
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92 F77_DBLE* WORK, F77_INT& INFO
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93 F77_CHAR_ARG_LEN_DECL);
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94
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95 F77_RET_T
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96 F77_FUNC (cggbal, CGGBAL) (F77_CONST_CHAR_ARG_DECL,
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97 const F77_INT& N,
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98 F77_CMPLX* A, const F77_INT& LDA,
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99 F77_CMPLX* B, const F77_INT& LDB,
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100 F77_INT& ILO, F77_INT& IHI,
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101 F77_REAL* LSCALE, F77_REAL* RSCALE,
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102 F77_REAL* WORK, F77_INT& INFO
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103 F77_CHAR_ARG_LEN_DECL);
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104 }
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105
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106 template <>
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107 octave_idx_type
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108 gepbalance<Matrix>::init (const Matrix& a, const Matrix& b,
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109 const std::string& balance_job)
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110 {
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111 octave_idx_type n = a.cols ();
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112
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113 if (a.rows () != n)
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114 (*current_liboctave_error_handler) ("GEPBALANCE requires square matrix");
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115
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116 if (a.dims () != b.dims ())
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117 err_nonconformant ("GEPBALANCE", n, n, b.rows(), b.cols());
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118
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119 octave_idx_type info;
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120 octave_idx_type ilo;
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121 octave_idx_type ihi;
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122
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123 OCTAVE_LOCAL_BUFFER (double, plscale, n);
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124 OCTAVE_LOCAL_BUFFER (double, prscale, n);
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125 OCTAVE_LOCAL_BUFFER (double, pwork, 6 * n);
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126
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127 balanced_mat = a;
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128 double *p_balanced_mat = balanced_mat.fortran_vec ();
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129 balanced_mat2 = b;
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130 double *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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131
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132 char job = balance_job[0];
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133
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134 F77_XFCN (dggbal, DGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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135 n, p_balanced_mat, n, p_balanced_mat2,
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136 n, ilo, ihi, plscale, prscale, pwork, info
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137 F77_CHAR_ARG_LEN (1)));
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138
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139 balancing_mat = Matrix (n, n, 0.0);
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140 balancing_mat2 = Matrix (n, n, 0.0);
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141 for (octave_idx_type i = 0; i < n; i++)
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142 {
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143 octave_quit ();
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144 balancing_mat.elem (i ,i) = 1.0;
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145 balancing_mat2.elem (i ,i) = 1.0;
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146 }
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147
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148 double *p_balancing_mat = balancing_mat.fortran_vec ();
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149 double *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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150
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151 // first left
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152 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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153 F77_CONST_CHAR_ARG2 ("L", 1),
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154 n, ilo, ihi, plscale, prscale,
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155 n, p_balancing_mat, n, info
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156 F77_CHAR_ARG_LEN (1)
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157 F77_CHAR_ARG_LEN (1)));
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158
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159 // then right
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160 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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161 F77_CONST_CHAR_ARG2 ("R", 1),
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162 n, ilo, ihi, plscale, prscale,
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163 n, p_balancing_mat2, n, info
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164 F77_CHAR_ARG_LEN (1)
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165 F77_CHAR_ARG_LEN (1)));
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166
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167 return info;
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168 }
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169
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170 template <>
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171 octave_idx_type
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172 gepbalance<FloatMatrix>::init (const FloatMatrix& a, const FloatMatrix& b,
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173 const std::string& balance_job)
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174 {
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175 octave_idx_type n = a.cols ();
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176
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177 if (a.rows () != n)
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178 (*current_liboctave_error_handler)
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179 ("FloatGEPBALANCE requires square matrix");
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180
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181 if (a.dims () != b.dims ())
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182 err_nonconformant ("FloatGEPBALANCE", n, n, b.rows(), b.cols());
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183
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184 octave_idx_type info;
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185 octave_idx_type ilo;
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186 octave_idx_type ihi;
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187
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188 OCTAVE_LOCAL_BUFFER (float, plscale, n);
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189 OCTAVE_LOCAL_BUFFER (float, prscale, n);
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190 OCTAVE_LOCAL_BUFFER (float, pwork, 6 * n);
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191
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192 balanced_mat = a;
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193 float *p_balanced_mat = balanced_mat.fortran_vec ();
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194 balanced_mat2 = b;
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195 float *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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196
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197 char job = balance_job[0];
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198
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199 F77_XFCN (sggbal, SGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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200 n, p_balanced_mat, n, p_balanced_mat2,
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201 n, ilo, ihi, plscale, prscale, pwork, info
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202 F77_CHAR_ARG_LEN (1)));
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203
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204 balancing_mat = FloatMatrix (n, n, 0.0);
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205 balancing_mat2 = FloatMatrix (n, n, 0.0);
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206 for (octave_idx_type i = 0; i < n; i++)
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207 {
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208 octave_quit ();
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209 balancing_mat.elem (i ,i) = 1.0;
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210 balancing_mat2.elem (i ,i) = 1.0;
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211 }
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212
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213 float *p_balancing_mat = balancing_mat.fortran_vec ();
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214 float *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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215
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216 // first left
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217 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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218 F77_CONST_CHAR_ARG2 ("L", 1),
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219 n, ilo, ihi, plscale, prscale,
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220 n, p_balancing_mat, n, info
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221 F77_CHAR_ARG_LEN (1)
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222 F77_CHAR_ARG_LEN (1)));
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223
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224 // then right
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225 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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226 F77_CONST_CHAR_ARG2 ("R", 1),
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227 n, ilo, ihi, plscale, prscale,
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228 n, p_balancing_mat2, n, info
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229 F77_CHAR_ARG_LEN (1)
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230 F77_CHAR_ARG_LEN (1)));
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231
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232 return info;
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233 }
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234
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235 template <>
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236 octave_idx_type
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237 gepbalance<ComplexMatrix>::init (const ComplexMatrix& a,
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238 const ComplexMatrix& b,
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239 const std::string& balance_job)
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240 {
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241 octave_idx_type n = a.cols ();
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242
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243 if (a.rows () != n)
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244 (*current_liboctave_error_handler)
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245 ("ComplexGEPBALANCE requires square matrix");
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246
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247 if (a.dims () != b.dims ())
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248 err_nonconformant ("ComplexGEPBALANCE", n, n, b.rows(), b.cols());
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249
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250 octave_idx_type info;
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251 octave_idx_type ilo;
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252 octave_idx_type ihi;
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253
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254 OCTAVE_LOCAL_BUFFER (double, plscale, n);
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255 OCTAVE_LOCAL_BUFFER (double, prscale, n);
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256 OCTAVE_LOCAL_BUFFER (double, pwork, 6 * n);
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257
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258 balanced_mat = a;
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259 Complex *p_balanced_mat = balanced_mat.fortran_vec ();
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260 balanced_mat2 = b;
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261 Complex *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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262
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263 char job = balance_job[0];
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264
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265 F77_XFCN (zggbal, ZGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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266 n, F77_DBLE_CMPLX_ARG (p_balanced_mat), n, F77_DBLE_CMPLX_ARG (p_balanced_mat2),
21268
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267 n, ilo, ihi, plscale, prscale, pwork, info
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268 F77_CHAR_ARG_LEN (1)));
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269
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270 balancing_mat = Matrix (n, n, 0.0);
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271 balancing_mat2 = Matrix (n, n, 0.0);
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272 for (octave_idx_type i = 0; i < n; i++)
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273 {
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274 octave_quit ();
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275 balancing_mat.elem (i ,i) = 1.0;
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276 balancing_mat2.elem (i ,i) = 1.0;
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277 }
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278
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279 double *p_balancing_mat = balancing_mat.fortran_vec ();
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280 double *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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281
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282 // first left
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283 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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284 F77_CONST_CHAR_ARG2 ("L", 1),
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285 n, ilo, ihi, plscale, prscale,
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286 n, p_balancing_mat, n, info
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287 F77_CHAR_ARG_LEN (1)
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288 F77_CHAR_ARG_LEN (1)));
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289
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290 // then right
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291 F77_XFCN (dggbak, DGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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292 F77_CONST_CHAR_ARG2 ("R", 1),
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293 n, ilo, ihi, plscale, prscale,
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294 n, p_balancing_mat2, n, info
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295 F77_CHAR_ARG_LEN (1)
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296 F77_CHAR_ARG_LEN (1)));
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297
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298 return info;
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299 }
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300
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301 template <>
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302 octave_idx_type
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303 gepbalance<FloatComplexMatrix>::init (const FloatComplexMatrix& a,
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304 const FloatComplexMatrix& b,
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305 const std::string& balance_job)
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306 {
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307 octave_idx_type n = a.cols ();
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308
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309 if (a.rows () != n)
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310 {
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311 (*current_liboctave_error_handler)
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312 ("FloatComplexGEPBALANCE requires square matrix");
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313 return -1;
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314 }
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315
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316 if (a.dims () != b.dims ())
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317 err_nonconformant ("FloatComplexGEPBALANCE", n, n, b.rows(), b.cols());
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318
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319 octave_idx_type info;
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320 octave_idx_type ilo;
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321 octave_idx_type ihi;
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322
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323 OCTAVE_LOCAL_BUFFER (float, plscale, n);
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324 OCTAVE_LOCAL_BUFFER (float, prscale, n);
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325 OCTAVE_LOCAL_BUFFER (float, pwork, 6 * n);
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326
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327 balanced_mat = a;
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328 FloatComplex *p_balanced_mat = balanced_mat.fortran_vec ();
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329 balanced_mat2 = b;
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330 FloatComplex *p_balanced_mat2 = balanced_mat2.fortran_vec ();
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331
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332 char job = balance_job[0];
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333
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334 F77_XFCN (cggbal, CGGBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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335 n, F77_CMPLX_ARG (p_balanced_mat), n, F77_CMPLX_ARG (p_balanced_mat2),
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336 n, ilo, ihi, plscale, prscale, pwork, info
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337 F77_CHAR_ARG_LEN (1)));
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338
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339 balancing_mat = FloatMatrix (n, n, 0.0);
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340 balancing_mat2 = FloatMatrix (n, n, 0.0);
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341 for (octave_idx_type i = 0; i < n; i++)
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342 {
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343 octave_quit ();
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344 balancing_mat.elem (i ,i) = 1.0;
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345 balancing_mat2.elem (i ,i) = 1.0;
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346 }
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347
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348 float *p_balancing_mat = balancing_mat.fortran_vec ();
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349 float *p_balancing_mat2 = balancing_mat2.fortran_vec ();
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350
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351 // first left
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352 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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353 F77_CONST_CHAR_ARG2 ("L", 1),
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354 n, ilo, ihi, plscale, prscale,
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355 n, p_balancing_mat, n, info
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356 F77_CHAR_ARG_LEN (1)
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357 F77_CHAR_ARG_LEN (1)));
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358
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359 // then right
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360 F77_XFCN (sggbak, SGGBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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361 F77_CONST_CHAR_ARG2 ("R", 1),
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362 n, ilo, ihi, plscale, prscale,
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363 n, p_balancing_mat2, n, info
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364 F77_CHAR_ARG_LEN (1)
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365 F77_CHAR_ARG_LEN (1)));
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366
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367 return info;
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368 }
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369
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370 // Instantiations we need.
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371
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372 template class gepbalance<Matrix>;
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373
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374 template class gepbalance<FloatMatrix>;
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375
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376 template class gepbalance<ComplexMatrix>;
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377
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378 template class gepbalance<FloatComplexMatrix>;