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annotate liboctave/numeric/EIG.cc @ 31249:de6fc38c78c6

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Make Jacobian types offered by dlsode.f accessible by lsode (bug #31626). * liboctave/numeric/LSODE-opts.in: Add options "jacobian type", "lower jacobian subdiagonals", and "upper jacobian subdiagonals". * liboctave/numeric/LSODE.cc (file scope, lsode_j, LSODE::do_integrate (double)): Handle new configurable Jacobian types. * build-aux/mk-opts.pl: Don't implicitly convert to integer in condition.
author Olaf Till <olaf.till@uni-jena.de>
date Fri, 12 Nov 2010 08:53:05 +0100
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children 597f3ee61a48
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1994-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include "Array.h"
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31 #include "EIG.h"
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32 #include "dColVector.h"
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33 #include "dMatrix.h"
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34 #include "lo-error.h"
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35 #include "lo-lapack-proto.h"
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36
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37 octave_idx_type
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38 EIG::init (const Matrix& a, bool calc_rev, bool calc_lev, bool balance)
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39 {
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40 if (a.any_element_is_inf_or_nan ())
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41 (*current_liboctave_error_handler)
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42 ("EIG: matrix contains Inf or NaN values");
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43
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44 if (a.issymmetric ())
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45 return symmetric_init (a, calc_rev, calc_lev);
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46
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47 F77_INT n = octave::to_f77_int (a.rows ());
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48 F77_INT a_nc = octave::to_f77_int (a.cols ());
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49
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50 if (n != a_nc)
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51 (*current_liboctave_error_handler) ("EIG requires square matrix");
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53 F77_INT info = 0;
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54
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55 Matrix atmp = a;
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56 double *tmp_data = atmp.fortran_vec ();
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57
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58 Array<double> wr (dim_vector (n, 1));
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59 double *pwr = wr.fortran_vec ();
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60
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61 Array<double> wi (dim_vector (n, 1));
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62 double *pwi = wi.fortran_vec ();
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63
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64 F77_INT tnvr = (calc_rev ? n : 0);
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65 Matrix vr (tnvr, tnvr);
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66 double *pvr = vr.fortran_vec ();
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67
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68 F77_INT tnvl = (calc_lev ? n : 0);
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69 Matrix vl (tnvl, tnvl);
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70 double *pvl = vl.fortran_vec ();
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71
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72 F77_INT lwork = -1;
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73 double dummy_work;
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74
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75 F77_INT ilo;
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76 F77_INT ihi;
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77
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78 Array<double> scale (dim_vector (n, 1));
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79 double *pscale = scale.fortran_vec ();
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80
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81 double abnrm;
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82
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83 Array<double> rconde (dim_vector (n, 1));
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84 double *prconde = rconde.fortran_vec ();
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85
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86 Array<double> rcondv (dim_vector (n, 1));
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87 double *prcondv = rcondv.fortran_vec ();
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89 F77_INT dummy_iwork;
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90
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91 F77_XFCN (dgeevx, DGEEVX, (F77_CONST_CHAR_ARG2 (balance ? "B" : "N", 1),
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92 F77_CONST_CHAR_ARG2 (calc_lev ? "V" : "N", 1),
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93 F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
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94 F77_CONST_CHAR_ARG2 ("N", 1),
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95 n, tmp_data, n, pwr, pwi, pvl,
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96 n, pvr, n, ilo, ihi, pscale,
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97 abnrm, prconde, prcondv, &dummy_work,
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98 lwork, &dummy_iwork, info
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99 F77_CHAR_ARG_LEN (1)
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100 F77_CHAR_ARG_LEN (1)
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101 F77_CHAR_ARG_LEN (1)
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102 F77_CHAR_ARG_LEN (1)));
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104 if (info != 0)
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105 (*current_liboctave_error_handler) ("dgeevx workspace query failed");
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107 lwork = static_cast<F77_INT> (dummy_work);
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108 Array<double> work (dim_vector (lwork, 1));
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109 double *pwork = work.fortran_vec ();
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110
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111 F77_XFCN (dgeevx, DGEEVX, (F77_CONST_CHAR_ARG2 (balance ? "B" : "N", 1),
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112 F77_CONST_CHAR_ARG2 (calc_lev ? "V" : "N", 1),
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113 F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
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114 F77_CONST_CHAR_ARG2 ("N", 1),
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115 n, tmp_data, n, pwr, pwi, pvl,
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116 n, pvr, n, ilo, ihi, pscale,
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117 abnrm, prconde, prcondv, pwork,
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118 lwork, &dummy_iwork, info
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119 F77_CHAR_ARG_LEN (1)
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120 F77_CHAR_ARG_LEN (1)
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121 F77_CHAR_ARG_LEN (1)
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122 F77_CHAR_ARG_LEN (1)));
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123
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124 if (info < 0)
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125 (*current_liboctave_error_handler) ("unrecoverable error in dgeevx");
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127 if (info > 0)
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128 (*current_liboctave_error_handler) ("dgeevx failed to converge");
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diff changeset
129
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diff changeset
130 m_lambda.resize (n);
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diff changeset
131 F77_INT nvr = (calc_rev ? n : 0);
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diff changeset
132 m_v.resize (nvr, nvr);
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133 F77_INT nvl = (calc_lev ? n : 0);
30044
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parents: 29358
diff changeset
134 m_w.resize (nvl, nvl);
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135
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diff changeset
136 for (F77_INT j = 0; j < n; j++)
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parents: 20490
diff changeset
137 {
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
138 if (wi.elem (j) == 0.0)
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139 {
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parents: 29358
diff changeset
140 m_lambda.elem (j) = Complex (wr.elem (j));
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diff changeset
141 for (F77_INT i = 0; i < nvr; i++)
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parents: 29358
diff changeset
142 m_v.elem (i, j) = vr.elem (i, j);
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diff changeset
143
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parents: 22755
diff changeset
144 for (F77_INT i = 0; i < nvl; i++)
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parents: 29358
diff changeset
145 m_w.elem (i, j) = vl.elem (i, j);
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146 }
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
diff changeset
147 else
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Rik <rik@octave.org>
parents: 20490
diff changeset
148 {
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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diff changeset
149 if (j+1 >= n)
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diff changeset
150 (*current_liboctave_error_handler) ("EIG: internal error");
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diff changeset
151
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diff changeset
152 m_lambda.elem (j) = Complex (wr.elem (j), wi.elem (j));
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diff changeset
153 m_lambda.elem (j+1) = Complex (wr.elem (j+1), wi.elem (j+1));
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154
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155 for (F77_INT i = 0; i < nvr; i++)
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156 {
21136
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diff changeset
157 double real_part = vr.elem (i, j);
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diff changeset
158 double imag_part = vr.elem (i, j+1);
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parents: 29358
diff changeset
159 m_v.elem (i, j) = Complex (real_part, imag_part);
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
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diff changeset
160 m_v.elem (i, j+1) = Complex (real_part, -imag_part);
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diff changeset
161 }
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diff changeset
162
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diff changeset
163 for (F77_INT i = 0; i < nvl; i++)
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diff changeset
164 {
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diff changeset
165 double real_part = vl.elem (i, j);
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parents: 22135
diff changeset
166 double imag_part = vl.elem (i, j+1);
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parents: 29358
diff changeset
167 m_w.elem (i, j) = Complex (real_part, imag_part);
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
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parents: 29358
diff changeset
168 m_w.elem (i, j+1) = Complex (real_part, -imag_part);
22305
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diff changeset
169 }
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diff changeset
170 j++;
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171 }
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172 }
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe]
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173
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe]
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parents: 2804
diff changeset
174 return info;
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe]
jwe
parents: 2804
diff changeset
175 }
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe]
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diff changeset
176
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parents: 11570
diff changeset
177 octave_idx_type
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diff changeset
178 EIG::symmetric_init (const Matrix& a, bool calc_rev, bool calc_lev)
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179 {
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diff changeset
180 F77_INT n = octave::to_f77_int (a.rows ());
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parents: 22953
diff changeset
181 F77_INT a_nc = octave::to_f77_int (a.cols ());
1934
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182
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diff changeset
183 if (n != a_nc)
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184 (*current_liboctave_error_handler) ("EIG requires square matrix");
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185
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186 F77_INT info = 0;
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187
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe]
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188 Matrix atmp = a;
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe]
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189 double *tmp_data = atmp.fortran_vec ();
33486d9e2d00 [project @ 1997-03-14 08:24:46 by jwe]
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diff changeset
190
3585
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parents: 3178
diff changeset
191 ColumnVector wr (n);
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192 double *pwr = wr.fortran_vec ();
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193
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diff changeset
194 F77_INT lwork = -1;
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diff changeset
195 double dummy_work;
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196
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diff changeset
197 F77_XFCN (dsyev, DSYEV, (F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
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diff changeset
198 F77_CONST_CHAR_ARG2 ("U", 1),
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parents: 10158
diff changeset
199 n, tmp_data, n, pwr, &dummy_work, lwork, info
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diff changeset
200 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
201 F77_CHAR_ARG_LEN (1)));
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diff changeset
202
21136
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parents: 20490
diff changeset
203 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
204 (*current_liboctave_error_handler) ("dsyev workspace query failed");
4800
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diff changeset
205
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diff changeset
206 lwork = static_cast<F77_INT> (dummy_work);
21136
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Rik <rik@octave.org>
parents: 20490
diff changeset
207 Array<double> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
208 double *pwork = work.fortran_vec ();
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diff changeset
209
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diff changeset
210 F77_XFCN (dsyev, DSYEV, (F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
211 F77_CONST_CHAR_ARG2 ("U", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
212 n, tmp_data, n, pwr, pwork, lwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
213 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
214 F77_CHAR_ARG_LEN (1)));
4800
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jwe
parents: 4725
diff changeset
215
21136
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Rik <rik@octave.org>
parents: 20490
diff changeset
216 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
217 (*current_liboctave_error_handler) ("unrecoverable error in dsyev");
4800
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parents: 4725
diff changeset
218
21136
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parents: 20490
diff changeset
219 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
220 (*current_liboctave_error_handler) ("dsyev failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
diff changeset
221
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parents: 29358
diff changeset
222 m_lambda = ComplexColumnVector (wr);
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
223 m_v = (calc_rev ? ComplexMatrix (atmp) : ComplexMatrix ());
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
224 m_w = (calc_lev ? ComplexMatrix (atmp) : ComplexMatrix ());
462
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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parents:
diff changeset
225
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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parents:
diff changeset
226 return info;
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
jwe
parents:
diff changeset
227 }
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
jwe
parents:
diff changeset
228
5275
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parents: 5105
diff changeset
229 octave_idx_type
22305
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Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
230 EIG::init (const ComplexMatrix& a, bool calc_rev, bool calc_lev, bool balance)
462
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
jwe
parents:
diff changeset
231 {
5822
4fdc2515ebad [project @ 2006-05-18 19:31:36 by jwe]
jwe
parents: 5307
diff changeset
232 if (a.any_element_is_inf_or_nan ())
21136
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parents: 20490
diff changeset
233 (*current_liboctave_error_handler)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
diff changeset
234 ("EIG: matrix contains Inf or NaN values");
5822
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jwe
parents: 5307
diff changeset
235
23594
af5b813503cb maint: Deprecate is_hermitian and replace with ishermitian.
Rik <rik@octave.org>
parents: 23475
diff changeset
236 if (a.ishermitian ())
22305
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parents: 22135
diff changeset
237 return hermitian_init (a, calc_rev, calc_lev);
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diff changeset
238
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John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
239 F77_INT n = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
240 F77_INT a_nc = octave::to_f77_int (a.cols ());
1934
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diff changeset
241
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parents: 22755
diff changeset
242 if (n != a_nc)
21136
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Rik <rik@octave.org>
parents: 20490
diff changeset
243 (*current_liboctave_error_handler) ("EIG requires square matrix");
462
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
jwe
parents:
diff changeset
244
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diff changeset
245 F77_INT info = 0;
462
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
jwe
parents:
diff changeset
246
1934
0e591d443ff0 [project @ 1996-02-12 03:25:10 by jwe]
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parents: 1882
diff changeset
247 ComplexMatrix atmp = a;
0e591d443ff0 [project @ 1996-02-12 03:25:10 by jwe]
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diff changeset
248 Complex *tmp_data = atmp.fortran_vec ();
462
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
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parents:
diff changeset
249
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diff changeset
250 ComplexColumnVector wr (n);
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parents: 22135
diff changeset
251 Complex *pw = wr.fortran_vec ();
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diff changeset
252
23450
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parents: 23220
diff changeset
253 F77_INT nvr = (calc_rev ? n : 0);
22305
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Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
254 ComplexMatrix vrtmp (nvr, nvr);
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
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parents: 22135
diff changeset
255 Complex *pvr = vrtmp.fortran_vec ();
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256
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257 F77_INT nvl = (calc_lev ? n : 0);
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258 ComplexMatrix vltmp (nvl, nvl);
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259 Complex *pvl = vltmp.fortran_vec ();
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260
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261 F77_INT lwork = -1;
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262 Complex dummy_work;
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263
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264 F77_INT lrwork = 2*n;
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265 Array<double> rwork (dim_vector (lrwork, 1));
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266 double *prwork = rwork.fortran_vec ();
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267
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268 F77_INT ilo;
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269 F77_INT ihi;
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270
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271 Array<double> scale (dim_vector (n, 1));
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272 double *pscale = scale.fortran_vec ();
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273
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274 double abnrm;
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275
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276 Array<double> rconde (dim_vector (n, 1));
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277 double *prconde = rconde.fortran_vec ();
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278
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279 Array<double> rcondv (dim_vector (n, 1));
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280 double *prcondv = rcondv.fortran_vec ();
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281
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282 F77_XFCN (zgeevx, ZGEEVX, (F77_CONST_CHAR_ARG2 (balance ? "B" : "N", 1),
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283 F77_CONST_CHAR_ARG2 (calc_lev ? "V" : "N", 1),
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284 F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
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285 F77_CONST_CHAR_ARG2 ("N", 1),
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286 n, F77_DBLE_CMPLX_ARG (tmp_data), n,
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287 F77_DBLE_CMPLX_ARG (pw), F77_DBLE_CMPLX_ARG (pvl),
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288 n, F77_DBLE_CMPLX_ARG (pvr), n, ilo, ihi,
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289 pscale, abnrm, prconde, prcondv,
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290 F77_DBLE_CMPLX_ARG (&dummy_work), lwork, prwork,
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291 info
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292 F77_CHAR_ARG_LEN (1)
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293 F77_CHAR_ARG_LEN (1)
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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 if (info != 0)
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298 (*current_liboctave_error_handler) ("zgeevx workspace query failed");
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299
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300 lwork = static_cast<F77_INT> (dummy_work.real ());
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301 Array<Complex> work (dim_vector (lwork, 1));
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302 Complex *pwork = work.fortran_vec ();
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303
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304 F77_XFCN (zgeevx, ZGEEVX, (F77_CONST_CHAR_ARG2 (balance ? "B" : "N", 1),
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305 F77_CONST_CHAR_ARG2 (calc_lev ? "V" : "N", 1),
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diff changeset
306 F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
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diff changeset
307 F77_CONST_CHAR_ARG2 ("N", 1),
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308 n, F77_DBLE_CMPLX_ARG (tmp_data), n,
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309 F77_DBLE_CMPLX_ARG (pw), F77_DBLE_CMPLX_ARG (pvl),
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310 n, F77_DBLE_CMPLX_ARG (pvr), n, ilo, ihi,
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311 pscale, abnrm, prconde, prcondv,
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312 F77_DBLE_CMPLX_ARG (pwork), lwork, prwork, info
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313 F77_CHAR_ARG_LEN (1)
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314 F77_CHAR_ARG_LEN (1)
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315 F77_CHAR_ARG_LEN (1)
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diff changeset
316 F77_CHAR_ARG_LEN (1)));
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317
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318 if (info < 0)
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319 (*current_liboctave_error_handler) ("unrecoverable error in zgeevx");
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320
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321 if (info > 0)
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322 (*current_liboctave_error_handler) ("zgeevx failed to converge");
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323
30044
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diff changeset
324 m_lambda = wr;
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325 m_v = vrtmp;
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326 m_w = vltmp;
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327
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328 return info;
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diff changeset
329 }
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diff changeset
330
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331 octave_idx_type
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332 EIG::hermitian_init (const ComplexMatrix& a, bool calc_rev, bool calc_lev)
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333 {
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diff changeset
334 F77_INT n = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace
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335 F77_INT a_nc = octave::to_f77_int (a.cols ());
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336
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diff changeset
337 if (n != a_nc)
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338 (*current_liboctave_error_handler) ("EIG requires square matrix");
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339
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340 F77_INT info = 0;
462
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341
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342 ComplexMatrix atmp = a;
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343 Complex *tmp_data = atmp.fortran_vec ();
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diff changeset
344
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diff changeset
345 ColumnVector wr (n);
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346 double *pwr = wr.fortran_vec ();
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347
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348 F77_INT lwork = -1;
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349 Complex dummy_work;
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350
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351 F77_INT lrwork = 3*n;
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diff changeset
352 Array<double> rwork (dim_vector (lrwork, 1));
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353 double *prwork = rwork.fortran_vec ();
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354
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diff changeset
355 F77_XFCN (zheev, ZHEEV, (F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
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diff changeset
356 F77_CONST_CHAR_ARG2 ("U", 1),
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diff changeset
357 n, F77_DBLE_CMPLX_ARG (tmp_data), n, pwr,
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diff changeset
358 F77_DBLE_CMPLX_ARG (&dummy_work), lwork,
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diff changeset
359 prwork, info
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diff changeset
360 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
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diff changeset
361 F77_CHAR_ARG_LEN (1)));
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362
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363 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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364 (*current_liboctave_error_handler) ("zheev workspace query failed");
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diff changeset
365
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366 lwork = static_cast<F77_INT> (dummy_work.real ());
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367 Array<Complex> work (dim_vector (lwork, 1));
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368 Complex *pwork = work.fortran_vec ();
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369
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diff changeset
370 F77_XFCN (zheev, ZHEEV, (F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
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diff changeset
371 F77_CONST_CHAR_ARG2 ("U", 1),
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diff changeset
372 n, F77_DBLE_CMPLX_ARG (tmp_data), n, pwr,
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diff changeset
373 F77_DBLE_CMPLX_ARG (pwork), lwork, prwork, info
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diff changeset
374 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
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parents: 20490
diff changeset
375 F77_CHAR_ARG_LEN (1)));
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diff changeset
376
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diff changeset
377 if (info < 0)
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diff changeset
378 (*current_liboctave_error_handler) ("unrecoverable error in zheev");
4800
c322edde72ac [project @ 2004-02-25 03:54:33 by jwe]
jwe
parents: 4725
diff changeset
379
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
380 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
381 (*current_liboctave_error_handler) ("zheev failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
382
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
383 m_lambda = ComplexColumnVector (wr);
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
384 m_v = (calc_rev ? ComplexMatrix (atmp) : ComplexMatrix ());
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
385 m_w = (calc_lev ? ComplexMatrix (atmp) : ComplexMatrix ());
462
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
jwe
parents:
diff changeset
386
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
jwe
parents:
diff changeset
387 return info;
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
jwe
parents:
diff changeset
388 }
07fabd96ac6a [project @ 1994-06-06 00:58:18 by jwe]
jwe
parents:
diff changeset
389
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
390 octave_idx_type
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
391 EIG::init (const Matrix& a, const Matrix& b, bool calc_rev, bool calc_lev,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
392 bool force_qz)
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
393 {
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
394 if (a.any_element_is_inf_or_nan () || b.any_element_is_inf_or_nan ())
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
395 (*current_liboctave_error_handler)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
396 ("EIG: matrix contains Inf or NaN values");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
397
22988
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
398 F77_INT n = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
399 F77_INT nb = octave::to_f77_int (b.rows ());
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
400
22988
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
401 F77_INT a_nc = octave::to_f77_int (a.cols ());
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
402 F77_INT b_nc = octave::to_f77_int (b.cols ());
23085
dffa2b8c9482 maint: strip trailing whitespace from source files.
John W. Eaton <jwe@octave.org>
parents: 23084
diff changeset
403
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
404 if (n != a_nc || nb != b_nc)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
405 (*current_liboctave_error_handler) ("EIG requires square matrix");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
406
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
407 if (n != nb)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
408 (*current_liboctave_error_handler) ("EIG requires same size matrices");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
409
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
410 F77_INT info = 0;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
411
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
412 Matrix tmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
413 double *tmp_data = tmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
414
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
415 if (! force_qz)
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
416 {
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
417 F77_XFCN (dpotrf, DPOTRF, (F77_CONST_CHAR_ARG2 ("L", 1),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
418 n, tmp_data, n,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
419 info
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
420 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
421
23596
b63c3a09aee7 maint: Deprecate is_symmetric and replace with issymmetric.
Rik <rik@octave.org>
parents: 23594
diff changeset
422 if (a.issymmetric () && b.issymmetric () && info == 0)
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
423 return symmetric_init (a, b, calc_rev, calc_lev);
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
424 }
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
425
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
426 Matrix atmp = a;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
427 double *atmp_data = atmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
428
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
429 Matrix btmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
430 double *btmp_data = btmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
431
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
432 Array<double> ar (dim_vector (n, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
433 double *par = ar.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
434
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
435 Array<double> ai (dim_vector (n, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
436 double *pai = ai.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
437
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
438 Array<double> beta (dim_vector (n, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
439 double *pbeta = beta.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
440
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
441 F77_INT tnvr = (calc_rev ? n : 0);
9020
728e7943752d EIG.cc: avoid volatile decl for tmp variable
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
442 Matrix vr (tnvr, tnvr);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
443 double *pvr = vr.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
444
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
445 F77_INT tnvl = (calc_lev ? n : 0);
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
446 Matrix vl (tnvl, tnvl);
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
447 double *pvl = vl.fortran_vec ();
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
448
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
449 F77_INT lwork = -1;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
450 double dummy_work;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
451
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
452 F77_XFCN (dggev, DGGEV, (F77_CONST_CHAR_ARG2 (calc_lev ? "V" : "N", 1),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
453 F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
454 n, atmp_data, n, btmp_data, n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
455 par, pai, pbeta,
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
456 pvl, n, pvr, n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
457 &dummy_work, lwork, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
458 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
459 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
460
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
461 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
462 (*current_liboctave_error_handler) ("dggev workspace query failed");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
463
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
464 lwork = static_cast<F77_INT> (dummy_work);
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
465 Array<double> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
466 double *pwork = work.fortran_vec ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
467
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
468 F77_XFCN (dggev, DGGEV, (F77_CONST_CHAR_ARG2 (calc_lev ? "V" : "N", 1),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
469 F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
470 n, atmp_data, n, btmp_data, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
471 par, pai, pbeta,
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
472 pvl, n, pvr, n,
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
473 pwork, lwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
474 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
475 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
476
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
477 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
478 (*current_liboctave_error_handler) ("unrecoverable error in dggev");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
479
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
480 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
481 (*current_liboctave_error_handler) ("dggev failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
482
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
483 m_lambda.resize (n);
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
484 F77_INT nvr = (calc_rev ? n : 0);
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
485 m_v.resize (nvr, nvr);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
486
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
487 F77_INT nvl = (calc_lev ? n : 0);
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
488 m_w.resize (nvl, nvl);
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
489
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
490 for (F77_INT j = 0; j < n; j++)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
491 {
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
492 if (ai.elem (j) == 0.0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
493 {
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
494 m_lambda.elem (j) = Complex (ar.elem (j) / beta.elem (j));
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
495 for (F77_INT i = 0; i < nvr; i++)
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
496 m_v.elem (i, j) = vr.elem (i, j);
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
497 for (F77_INT i = 0; i < nvl; i++)
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
498 m_w.elem (i, j) = vl.elem (i, j);
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
499 }
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
500 else
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
501 {
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
502 if (j+1 >= n)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
503 (*current_liboctave_error_handler) ("EIG: internal error");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
504
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
505 m_lambda.elem (j) = Complex (ar.elem (j) / beta.elem (j),
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
506 ai.elem (j) / beta.elem (j));
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
507 m_lambda.elem (j+1) = Complex (ar.elem (j+1) / beta.elem (j+1),
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
508 ai.elem (j+1) / beta.elem (j+1));
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
509
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
510 for (F77_INT i = 0; i < nvr; i++)
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
511 {
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
512 double real_part = vr.elem (i, j);
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
513 double imag_part = vr.elem (i, j+1);
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
514 m_v.elem (i, j) = Complex (real_part, imag_part);
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
515 m_v.elem (i, j+1) = Complex (real_part, -imag_part);
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
516 }
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
517 for (F77_INT i = 0; i < nvl; i++)
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
518 {
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
519 double real_part = vl.elem (i, j);
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
520 double imag_part = vl.elem (i, j+1);
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
521 m_w.elem (i, j) = Complex (real_part, imag_part);
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
522 m_w.elem (i, j+1) = Complex (real_part, -imag_part);
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
523 }
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
524 j++;
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
525 }
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
526 }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
527
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
528 return info;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
529 }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
530
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
531 octave_idx_type
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
532 EIG::symmetric_init (const Matrix& a, const Matrix& b, bool calc_rev,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
533 bool calc_lev)
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
534 {
22988
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
535 F77_INT n = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
536 F77_INT nb = octave::to_f77_int (b.rows ());
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
537
22988
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
538 F77_INT a_nc = octave::to_f77_int (a.cols ());
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
539 F77_INT b_nc = octave::to_f77_int (b.cols ());
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
540
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
541 if (n != a_nc || nb != b_nc)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
542 (*current_liboctave_error_handler) ("EIG requires square matrix");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
543
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
544 if (n != nb)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
545 (*current_liboctave_error_handler) ("EIG requires same size matrices");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
546
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
547 F77_INT info = 0;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
548
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
549 Matrix atmp = a;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
550 double *atmp_data = atmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
551
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
552 Matrix btmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
553 double *btmp_data = btmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
554
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
555 ColumnVector wr (n);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
556 double *pwr = wr.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
557
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
558 F77_INT lwork = -1;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
559 double dummy_work;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
560
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
561 F77_XFCN (dsygv, DSYGV, (1, F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
562 F77_CONST_CHAR_ARG2 ("U", 1),
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
563 n, atmp_data, n,
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
564 btmp_data, n,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
565 pwr, &dummy_work, lwork, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
566 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
567 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
568
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
569 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
570 (*current_liboctave_error_handler) ("dsygv workspace query failed");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
571
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
572 lwork = static_cast<F77_INT> (dummy_work);
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
573 Array<double> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
574 double *pwork = work.fortran_vec ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
575
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
576 F77_XFCN (dsygv, DSYGV, (1, F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
577 F77_CONST_CHAR_ARG2 ("U", 1),
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
578 n, atmp_data, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
579 btmp_data, n,
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
580 pwr, pwork, lwork, info
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
581 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
582 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
583
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
584 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
585 (*current_liboctave_error_handler) ("unrecoverable error in dsygv");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
586
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
587 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
588 (*current_liboctave_error_handler) ("dsygv failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
589
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
590 m_lambda = ComplexColumnVector (wr);
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
591 m_v = (calc_rev ? ComplexMatrix (atmp) : ComplexMatrix ());
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
592 m_w = (calc_lev ? ComplexMatrix (atmp) : ComplexMatrix ());
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
593
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
594 return info;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
595 }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
596
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
597 octave_idx_type
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
598 EIG::init (const ComplexMatrix& a, const ComplexMatrix& b, bool calc_rev,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
599 bool calc_lev, bool force_qz)
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
600 {
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
601 if (a.any_element_is_inf_or_nan () || b.any_element_is_inf_or_nan ())
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
602 (*current_liboctave_error_handler)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
603 ("EIG: matrix contains Inf or NaN values");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
604
22988
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
605 F77_INT n = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
606 F77_INT nb = octave::to_f77_int (b.rows ());
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
607
22988
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
608 F77_INT a_nc = octave::to_f77_int (a.cols ());
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
609 F77_INT b_nc = octave::to_f77_int (b.cols ());
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
610
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
611 if (n != a_nc || nb != b_nc)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
612 (*current_liboctave_error_handler) ("EIG requires square matrix");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
613
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
614 if (n != nb)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
615 (*current_liboctave_error_handler) ("EIG requires same size matrices");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
616
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
617 F77_INT info = 0;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
618
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
619 ComplexMatrix tmp = b;
30394
f3f3e3793fb5 maint: style check C++ files in liboctave/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30044
diff changeset
620 Complex *tmp_data = tmp.fortran_vec ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
621
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
622 if (! force_qz)
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
623 {
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
624 F77_XFCN (zpotrf, ZPOTRF, (F77_CONST_CHAR_ARG2 ("L", 1),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
625 n, F77_DBLE_CMPLX_ARG (tmp_data), n,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
626 info
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
627 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
628
23594
af5b813503cb maint: Deprecate is_hermitian and replace with ishermitian.
Rik <rik@octave.org>
parents: 23475
diff changeset
629 if (a.ishermitian () && b.ishermitian () && info == 0)
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
630 return hermitian_init (a, b, calc_rev, calc_lev);
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
631 }
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
632
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
633 ComplexMatrix atmp = a;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
634 Complex *atmp_data = atmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
635
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
636 ComplexMatrix btmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
637 Complex *btmp_data = btmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
638
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
639 ComplexColumnVector alpha (n);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
640 Complex *palpha = alpha.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
641
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
642 ComplexColumnVector beta (n);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
643 Complex *pbeta = beta.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
644
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
645 F77_INT nvr = (calc_rev ? n : 0);
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
646 ComplexMatrix vrtmp (nvr, nvr);
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
647 Complex *pvr = vrtmp.fortran_vec ();
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
648
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
649 F77_INT nvl = (calc_lev ? n : 0);
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
650 ComplexMatrix vltmp (nvl, nvl);
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
651 Complex *pvl = vltmp.fortran_vec ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
652
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
653 F77_INT lwork = -1;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
654 Complex dummy_work;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
655
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
656 F77_INT lrwork = 8*n;
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
657 Array<double> rwork (dim_vector (lrwork, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
658 double *prwork = rwork.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
659
27009
fc73dafece57 Fix return of left-handed vectors when inputs are complex (bug #56026)
Rik <rik@octave.org>
parents: 26376
diff changeset
660 F77_XFCN (zggev, ZGGEV, (F77_CONST_CHAR_ARG2 (calc_lev ? "V" : "N", 1),
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
661 F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
662 n, F77_DBLE_CMPLX_ARG (atmp_data), n,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
663 F77_DBLE_CMPLX_ARG (btmp_data), n,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
664 F77_DBLE_CMPLX_ARG (palpha),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
665 F77_DBLE_CMPLX_ARG (pbeta),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
666 F77_DBLE_CMPLX_ARG (pvl), n,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
667 F77_DBLE_CMPLX_ARG (pvr), n,
23475
d691ed308237 maint: Clean up #includes in liboctave/numeric directory.
Rik <rik@octave.org>
parents: 23450
diff changeset
668 F77_DBLE_CMPLX_ARG (&dummy_work), lwork, prwork,
d691ed308237 maint: Clean up #includes in liboctave/numeric directory.
Rik <rik@octave.org>
parents: 23450
diff changeset
669 info
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
670 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
671 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
672
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
673 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
674 (*current_liboctave_error_handler) ("zggev workspace query failed");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
675
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
676 lwork = static_cast<F77_INT> (dummy_work.real ());
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
677 Array<Complex> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
678 Complex *pwork = work.fortran_vec ();
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11570
diff changeset
679
27009
fc73dafece57 Fix return of left-handed vectors when inputs are complex (bug #56026)
Rik <rik@octave.org>
parents: 26376
diff changeset
680 F77_XFCN (zggev, ZGGEV, (F77_CONST_CHAR_ARG2 (calc_lev ? "V" : "N", 1),
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
681 F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
682 n, F77_DBLE_CMPLX_ARG (atmp_data), n,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
683 F77_DBLE_CMPLX_ARG (btmp_data), n,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
684 F77_DBLE_CMPLX_ARG (palpha),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
685 F77_DBLE_CMPLX_ARG (pbeta),
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
686 F77_DBLE_CMPLX_ARG (pvl), n,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
687 F77_DBLE_CMPLX_ARG (pvr), n,
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
688 F77_DBLE_CMPLX_ARG (pwork), lwork, prwork, info
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
689 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
690 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
691
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
692 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
693 (*current_liboctave_error_handler) ("unrecoverable error in zggev");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
694
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
695 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
696 (*current_liboctave_error_handler) ("zggev failed to converge");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
697
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
698 m_lambda.resize (n);
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
699
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
700 for (F77_INT j = 0; j < n; j++)
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
701 m_lambda.elem (j) = alpha.elem (j) / beta.elem (j);
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
702
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
703 m_v = vrtmp;
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
704 m_w = vltmp;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
705
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
706 return info;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
707 }
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
708
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
709 octave_idx_type
17769
49a5a4be04a1 maint: Use GNU style coding conventions for code in liboctave/
Rik <rik@octave.org>
parents: 17744
diff changeset
710 EIG::hermitian_init (const ComplexMatrix& a, const ComplexMatrix& b,
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
711 bool calc_rev, bool calc_lev)
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
712 {
22988
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
713 F77_INT n = octave::to_f77_int (a.rows ());
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
714 F77_INT nb = octave::to_f77_int (b.rows ());
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
715
22988
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
716 F77_INT a_nc = octave::to_f77_int (a.cols ());
cd33c785e80e put to_f77_int inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22953
diff changeset
717 F77_INT b_nc = octave::to_f77_int (b.cols ());
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
718
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
719 if (n != a_nc || nb != b_nc)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
720 (*current_liboctave_error_handler) ("EIG requires square matrix");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
721
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
722 if (n != nb)
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
723 (*current_liboctave_error_handler) ("EIG requires same size matrices");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
724
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
725 F77_INT info = 0;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
726
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
727 ComplexMatrix atmp = a;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
728 Complex *atmp_data = atmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
729
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
730 ComplexMatrix btmp = b;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
731 Complex *btmp_data = btmp.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
732
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
733 ColumnVector wr (n);
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
734 double *pwr = wr.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
735
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
736 F77_INT lwork = -1;
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
737 Complex dummy_work;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
738
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
739 F77_INT lrwork = 3*n;
11570
57632dea2446 attempt better backward compatibility for Array constructors
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
740 Array<double> rwork (dim_vector (lrwork, 1));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
741 double *prwork = rwork.fortran_vec ();
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
742
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
743 F77_XFCN (zhegv, ZHEGV, (1, F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
744 F77_CONST_CHAR_ARG2 ("U", 1),
22135
407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531)
John W. Eaton <jwe@octave.org>
parents: 22133
diff changeset
745 n, F77_DBLE_CMPLX_ARG (atmp_data), n,
407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531)
John W. Eaton <jwe@octave.org>
parents: 22133
diff changeset
746 F77_DBLE_CMPLX_ARG (btmp_data), n,
407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531)
John W. Eaton <jwe@octave.org>
parents: 22133
diff changeset
747 pwr, F77_DBLE_CMPLX_ARG (&dummy_work), lwork,
10314
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
748 prwork, info
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
749 F77_CHAR_ARG_LEN (1)
07ebe522dac2 untabify liboctave C++ sources
John W. Eaton <jwe@octave.org>
parents: 10158
diff changeset
750 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
751
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
752 if (info != 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
753 (*current_liboctave_error_handler) ("zhegv workspace query failed");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
754
22953
fd649fd3db75 use F77_INT instead of octave_idx_type for liboctave EIG classes
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
755 lwork = static_cast<F77_INT> (dummy_work.real ());
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
756 Array<Complex> work (dim_vector (lwork, 1));
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
757 Complex *pwork = work.fortran_vec ();
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
758
22305
510886d03ef2 eig: new options for choice of algorithm, balancing, and output (patch #8960)
Barbara Locsi <locsi.barbara@gmail.com>
parents: 22135
diff changeset
759 F77_XFCN (zhegv, ZHEGV, (1, F77_CONST_CHAR_ARG2 (calc_rev ? "V" : "N", 1),
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
760 F77_CONST_CHAR_ARG2 ("U", 1),
22135
407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531)
John W. Eaton <jwe@octave.org>
parents: 22133
diff changeset
761 n, F77_DBLE_CMPLX_ARG (atmp_data), n,
407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531)
John W. Eaton <jwe@octave.org>
parents: 22133
diff changeset
762 F77_DBLE_CMPLX_ARG (btmp_data), n,
407c66ae1e20 reduce warnings from GCC's link-time optimization feature (bug #48531)
John W. Eaton <jwe@octave.org>
parents: 22133
diff changeset
763 pwr, F77_DBLE_CMPLX_ARG (pwork), lwork, prwork, info
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
764 F77_CHAR_ARG_LEN (1)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
765 F77_CHAR_ARG_LEN (1)));
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
766
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
767 if (info < 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
768 (*current_liboctave_error_handler) ("unrecoverable error in zhegv");
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
769
21136
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
770 if (info > 0)
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
771 (*current_liboctave_error_handler) ("zhegv failed to converge");
7cac4e7458f2 maint: clean up code around calls to current_liboctave_error_handler.
Rik <rik@octave.org>
parents: 20490
diff changeset
772
30044
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
773 m_lambda = ComplexColumnVector (wr);
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
774 m_v = (calc_rev ? ComplexMatrix (atmp) : ComplexMatrix ());
1f34286a2637 maint: use "m_" prefix for member variables of classes associated with EIG.
Rik <rik@octave.org>
parents: 29358
diff changeset
775 m_w = (calc_lev ? ComplexMatrix (atmp) : ComplexMatrix ());
8339
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
776
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
777 return info;
18c4ded8612a Add generalized eigenvalue functions
Jarkko Kaleva <d3roga@gmail.com>
parents: 7482
diff changeset
778 }