annotate liboctave/numeric/schur.cc @ 29228:5c14f81e0937

Set API tags in files in liboctave/numeric (patch #8919). Add API tag to template class definitions. Add API tag to (un-defined) functions and member functions in headers. Export template class instantiations and template functions from .cc files.
author Markus Mützel <markus.muetzel@gmx.de>
date Tue, 29 Dec 2020 17:51:23 +0100
parents bd51beb6205e
children 7854d5752dd2
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1994-2020 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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25
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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 "CMatrix.h"
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32 #include "dMatrix.h"
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33 #include "fCMatrix.h"
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34 #include "fMatrix.h"
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35 #include "lo-error.h"
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36 #include "lo-lapack-proto.h"
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37 #include "oct-locbuf.h"
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38 #include "schur.h"
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39
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40 namespace octave
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41 {
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42 namespace math
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43 {
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44 // For real types.
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45
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46 static F77_INT
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47 select_ana (const double& a, const double&)
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48 {
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49 return (a < 0.0);
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50 }
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51
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52 static F77_INT
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53 select_dig (const double& a, const double& b)
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54 {
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55 return (hypot (a, b) < 1.0);
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56 }
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57
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58 static F77_INT
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59 select_ana (const float& a, const float&)
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60 {
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61 return (a < 0.0);
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62 }
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63
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64 static F77_INT
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65 select_dig (const float& a, const float& b)
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66 {
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67 return (hypot (a, b) < 1.0);
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68 }
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69
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70 // For complex types.
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71
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72 static F77_INT
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73 select_ana (const F77_DBLE_CMPLX& a_arg)
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74 {
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75 const Complex a = reinterpret_cast<const Complex&> (a_arg);
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76 return a.real () < 0.0;
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77 }
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78
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79 static F77_INT
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80 select_dig (const F77_DBLE_CMPLX& a_arg)
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81 {
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82 const Complex& a = reinterpret_cast<const Complex&> (a_arg);
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83 return (abs (a) < 1.0);
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84 }
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85
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86 static F77_INT
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87 select_ana (const F77_CMPLX& a_arg)
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88 {
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89 const FloatComplex& a = reinterpret_cast<const FloatComplex&> (a_arg);
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90 return a.real () < 0.0;
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91 }
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92
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93 static F77_INT
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94 select_dig (const F77_CMPLX& a_arg)
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95 {
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96 const FloatComplex& a = reinterpret_cast<const FloatComplex&> (a_arg);
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97 return (abs (a) < 1.0);
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98 }
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99
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100 template <>
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101 OCTAVE_API F77_INT
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102 schur<Matrix>::init (const Matrix& a, const std::string& ord, bool calc_unitary)
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103 {
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104 F77_INT a_nr = to_f77_int (a.rows ());
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105 F77_INT a_nc = to_f77_int (a.cols ());
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106
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107 if (a_nr != a_nc)
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108 (*current_liboctave_error_handler) ("schur: requires square matrix");
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109
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110 if (a_nr == 0)
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111 {
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112 schur_mat.clear ();
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113 unitary_mat.clear ();
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114 return 0;
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115 }
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116
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117 // Workspace requirements may need to be fixed if any of the
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118 // following change.
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119
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120 char jobvs;
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121 char sense = 'N';
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122 char sort = 'N';
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123
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124 if (calc_unitary)
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125 jobvs = 'V';
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126 else
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127 jobvs = 'N';
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128
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129 char ord_char = (ord.empty () ? 'U' : ord[0]);
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130
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131 if (ord_char == 'A' || ord_char == 'D' || ord_char == 'a' || ord_char == 'd')
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132 sort = 'S';
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133
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134 volatile double_selector selector = nullptr;
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135 if (ord_char == 'A' || ord_char == 'a')
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136 selector = select_ana;
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137 else if (ord_char == 'D' || ord_char == 'd')
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diff changeset
138 selector = select_dig;
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139
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140 F77_INT n = a_nc;
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141 F77_INT lwork = 8 * n;
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142 F77_INT liwork = 1;
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diff changeset
143 F77_INT info;
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diff changeset
144 F77_INT sdim;
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145 double rconde;
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146 double rcondv;
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147
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148 schur_mat = a;
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149
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150 if (calc_unitary)
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151 unitary_mat.clear (n, n);
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152
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153 double *s = schur_mat.fortran_vec ();
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diff changeset
154 double *q = unitary_mat.fortran_vec ();
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155
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diff changeset
156 Array<double> wr (dim_vector (n, 1));
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diff changeset
157 double *pwr = wr.fortran_vec ();
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158
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diff changeset
159 Array<double> wi (dim_vector (n, 1));
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160 double *pwi = wi.fortran_vec ();
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161
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162 Array<double> work (dim_vector (lwork, 1));
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diff changeset
163 double *pwork = work.fortran_vec ();
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164
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165 // BWORK is not referenced for the non-ordered Schur routine.
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diff changeset
166 F77_INT ntmp = (ord_char == 'N' || ord_char == 'n') ? 0 : n;
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diff changeset
167 Array<F77_INT> bwork (dim_vector (ntmp, 1));
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diff changeset
168 F77_INT *pbwork = bwork.fortran_vec ();
22329
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169
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diff changeset
170 Array<F77_INT> iwork (dim_vector (liwork, 1));
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diff changeset
171 F77_INT *piwork = iwork.fortran_vec ();
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172
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diff changeset
173 F77_XFCN (dgeesx, DGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
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diff changeset
174 F77_CONST_CHAR_ARG2 (&sort, 1),
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diff changeset
175 selector,
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diff changeset
176 F77_CONST_CHAR_ARG2 (&sense, 1),
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diff changeset
177 n, s, n, sdim, pwr, pwi, q, n, rconde, rcondv,
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178 pwork, lwork, piwork, liwork, pbwork, info
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diff changeset
179 F77_CHAR_ARG_LEN (1)
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diff changeset
180 F77_CHAR_ARG_LEN (1)
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diff changeset
181 F77_CHAR_ARG_LEN (1)));
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182
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diff changeset
183 return info;
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diff changeset
184 }
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185
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diff changeset
186 template <>
29228
5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27923
diff changeset
187 OCTAVE_API F77_INT
22329
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diff changeset
188 schur<FloatMatrix>::init (const FloatMatrix& a, const std::string& ord,
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diff changeset
189 bool calc_unitary)
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diff changeset
190 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
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diff changeset
191 F77_INT a_nr = to_f77_int (a.rows ());
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
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diff changeset
192 F77_INT a_nc = to_f77_int (a.cols ());
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193
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diff changeset
194 if (a_nr != a_nc)
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diff changeset
195 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
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196
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diff changeset
197 if (a_nr == 0)
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diff changeset
198 {
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199 schur_mat.clear ();
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200 unitary_mat.clear ();
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201 return 0;
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diff changeset
202 }
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203
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204 // Workspace requirements may need to be fixed if any of the
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diff changeset
205 // following change.
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diff changeset
206
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diff changeset
207 char jobvs;
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diff changeset
208 char sense = 'N';
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diff changeset
209 char sort = 'N';
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diff changeset
210
22329
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diff changeset
211 if (calc_unitary)
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diff changeset
212 jobvs = 'V';
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diff changeset
213 else
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diff changeset
214 jobvs = 'N';
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diff changeset
215
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
216 char ord_char = (ord.empty () ? 'U' : ord[0]);
22329
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diff changeset
217
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diff changeset
218 if (ord_char == 'A' || ord_char == 'D' || ord_char == 'a' || ord_char == 'd')
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diff changeset
219 sort = 'S';
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diff changeset
220
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23696
diff changeset
221 volatile float_selector selector = nullptr;
22329
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parents: 22323
diff changeset
222 if (ord_char == 'A' || ord_char == 'a')
22839
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diff changeset
223 selector = select_ana;
22329
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diff changeset
224 else if (ord_char == 'D' || ord_char == 'd')
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diff changeset
225 selector = select_dig;
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diff changeset
226
22844
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diff changeset
227 F77_INT n = a_nc;
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diff changeset
228 F77_INT lwork = 8 * n;
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229 F77_INT liwork = 1;
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diff changeset
230 F77_INT info;
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diff changeset
231 F77_INT sdim;
22329
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diff changeset
232 float rconde;
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diff changeset
233 float rcondv;
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diff changeset
234
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diff changeset
235 schur_mat = a;
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236
22329
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diff changeset
237 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
238 unitary_mat.clear (n, n);
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diff changeset
239
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diff changeset
240 float *s = schur_mat.fortran_vec ();
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diff changeset
241 float *q = unitary_mat.fortran_vec ();
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diff changeset
242
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diff changeset
243 Array<float> wr (dim_vector (n, 1));
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diff changeset
244 float *pwr = wr.fortran_vec ();
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diff changeset
245
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diff changeset
246 Array<float> wi (dim_vector (n, 1));
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diff changeset
247 float *pwi = wi.fortran_vec ();
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248
22329
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diff changeset
249 Array<float> work (dim_vector (lwork, 1));
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diff changeset
250 float *pwork = work.fortran_vec ();
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diff changeset
251
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
252 // BWORK is not referenced for the non-ordered Schur routine.
22844
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diff changeset
253 F77_INT ntmp = (ord_char == 'N' || ord_char == 'n') ? 0 : n;
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diff changeset
254 Array<F77_INT> bwork (dim_vector (ntmp, 1));
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diff changeset
255 F77_INT *pbwork = bwork.fortran_vec ();
22329
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diff changeset
256
22844
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diff changeset
257 Array<F77_INT> iwork (dim_vector (liwork, 1));
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diff changeset
258 F77_INT *piwork = iwork.fortran_vec ();
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
259
22329
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diff changeset
260 F77_XFCN (sgeesx, SGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
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diff changeset
261 F77_CONST_CHAR_ARG2 (&sort, 1),
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diff changeset
262 selector,
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diff changeset
263 F77_CONST_CHAR_ARG2 (&sense, 1),
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parents: 22323
diff changeset
264 n, s, n, sdim, pwr, pwi, q, n, rconde, rcondv,
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parents: 22323
diff changeset
265 pwork, lwork, piwork, liwork, pbwork, info
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diff changeset
266 F77_CHAR_ARG_LEN (1)
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diff changeset
267 F77_CHAR_ARG_LEN (1)
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diff changeset
268 F77_CHAR_ARG_LEN (1)));
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269
22329
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diff changeset
270 return info;
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271 }
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272
22329
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diff changeset
273 template <>
29228
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parents: 27923
diff changeset
274 OCTAVE_API F77_INT
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diff changeset
275 schur<ComplexMatrix>::init (const ComplexMatrix& a, const std::string& ord,
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276 bool calc_unitary)
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277 {
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278 F77_INT a_nr = to_f77_int (a.rows ());
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
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279 F77_INT a_nc = to_f77_int (a.cols ());
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280
22329
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diff changeset
281 if (a_nr != a_nc)
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diff changeset
282 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
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283
22329
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diff changeset
284 if (a_nr == 0)
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diff changeset
285 {
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diff changeset
286 schur_mat.clear ();
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diff changeset
287 unitary_mat.clear ();
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288 return 0;
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289 }
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290
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291 // Workspace requirements may need to be fixed if any of the
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292 // following change.
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293
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294 char jobvs;
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295 char sense = 'N';
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296 char sort = 'N';
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297
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298 if (calc_unitary)
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299 jobvs = 'V';
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300 else
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301 jobvs = 'N';
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302
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303 char ord_char = (ord.empty () ? 'U' : ord[0]);
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304
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305 if (ord_char == 'A' || ord_char == 'D' || ord_char == 'a' || ord_char == 'd')
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306 sort = 'S';
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307
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
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diff changeset
308 volatile complex_selector selector = nullptr;
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309 if (ord_char == 'A' || ord_char == 'a')
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diff changeset
310 selector = select_ana;
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311 else if (ord_char == 'D' || ord_char == 'd')
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diff changeset
312 selector = select_dig;
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313
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314 F77_INT n = a_nc;
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diff changeset
315 F77_INT lwork = 8 * n;
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316 F77_INT info;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class
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diff changeset
317 F77_INT sdim;
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diff changeset
318 double rconde;
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319 double rcondv;
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320
22329
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diff changeset
321 schur_mat = a;
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322 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
323 unitary_mat.clear (n, n);
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324
22329
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diff changeset
325 Complex *s = schur_mat.fortran_vec ();
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diff changeset
326 Complex *q = unitary_mat.fortran_vec ();
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diff changeset
327
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diff changeset
328 Array<double> rwork (dim_vector (n, 1));
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diff changeset
329 double *prwork = rwork.fortran_vec ();
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330
22329
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diff changeset
331 Array<Complex> w (dim_vector (n, 1));
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diff changeset
332 Complex *pw = w.fortran_vec ();
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diff changeset
333
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diff changeset
334 Array<Complex> work (dim_vector (lwork, 1));
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diff changeset
335 Complex *pwork = work.fortran_vec ();
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336
22329
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337 // BWORK is not referenced for non-ordered Schur.
22844
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diff changeset
338 F77_INT ntmp = (ord_char == 'N' || ord_char == 'n') ? 0 : n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class
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diff changeset
339 Array<F77_INT> bwork (dim_vector (ntmp, 1));
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diff changeset
340 F77_INT *pbwork = bwork.fortran_vec ();
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341
22329
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diff changeset
342 F77_XFCN (zgeesx, ZGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
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diff changeset
343 F77_CONST_CHAR_ARG2 (&sort, 1),
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diff changeset
344 selector,
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diff changeset
345 F77_CONST_CHAR_ARG2 (&sense, 1),
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22329
diff changeset
346 n, F77_DBLE_CMPLX_ARG (s), n, sdim, F77_DBLE_CMPLX_ARG (pw),
4caa7b28d183 maint: Style check C++ code in liboctave/
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parents: 22329
diff changeset
347 F77_DBLE_CMPLX_ARG (q), n, rconde, rcondv,
22329
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diff changeset
348 F77_DBLE_CMPLX_ARG (pwork), lwork, prwork, pbwork, info
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diff changeset
349 F77_CHAR_ARG_LEN (1)
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diff changeset
350 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
351 F77_CHAR_ARG_LEN (1)));
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352
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diff changeset
353 return info;
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diff changeset
354 }
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diff changeset
355
22329
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diff changeset
356 template <>
29228
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parents: 27923
diff changeset
357 OCTAVE_API schur<ComplexMatrix>
22329
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diff changeset
358 rsf2csf<ComplexMatrix, Matrix> (const Matrix& s_arg, const Matrix& u_arg)
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diff changeset
359 {
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diff changeset
360 ComplexMatrix s (s_arg);
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diff changeset
361 ComplexMatrix u (u_arg);
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diff changeset
362
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diff changeset
363 F77_INT n = to_f77_int (s.rows ());
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diff changeset
364
22329
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diff changeset
365 if (s.columns () != n || u.rows () != n || u.columns () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
366 (*current_liboctave_error_handler)
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diff changeset
367 ("rsf2csf: inconsistent matrix dimensions");
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diff changeset
368
22329
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diff changeset
369 if (n > 0)
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diff changeset
370 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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diff changeset
371 OCTAVE_LOCAL_BUFFER (double, c, n-1);
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diff changeset
372 OCTAVE_LOCAL_BUFFER (double, sx, n-1);
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diff changeset
373
22329
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diff changeset
374 F77_XFCN (zrsf2csf, ZRSF2CSF, (n, F77_DBLE_CMPLX_ARG (s.fortran_vec ()),
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parents: 22323
diff changeset
375 F77_DBLE_CMPLX_ARG (u.fortran_vec ()), c, sx));
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diff changeset
376 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
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parents: 22323
diff changeset
377
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diff changeset
378 return schur<ComplexMatrix> (s, u);
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diff changeset
379 }
e69eaee28737 make better use of templates for Schur decomposition
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diff changeset
380
22329
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diff changeset
381 template <>
29228
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Markus Mützel <markus.muetzel@gmx.de>
parents: 27923
diff changeset
382 OCTAVE_API F77_INT
22329
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diff changeset
383 schur<FloatComplexMatrix>::init (const FloatComplexMatrix& a,
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diff changeset
384 const std::string& ord, bool calc_unitary)
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diff changeset
385 {
23696
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diff changeset
386 F77_INT a_nr = to_f77_int (a.rows ());
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
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parents: 23475
diff changeset
387 F77_INT a_nc = to_f77_int (a.cols ());
21266
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diff changeset
388
22329
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diff changeset
389 if (a_nr != a_nc)
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parents: 22323
diff changeset
390 (*current_liboctave_error_handler) ("SCHUR requires square matrix");
21266
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John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
391
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
392 if (a_nr == 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
393 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
394 schur_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
395 unitary_mat.clear ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
396 return 0;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
397 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
398
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
399 // Workspace requirements may need to be fixed if any of the
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
400 // following change.
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
401
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
402 char jobvs;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
403 char sense = 'N';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
404 char sort = 'N';
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
405
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
406 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
407 jobvs = 'V';
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
408 else
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
409 jobvs = 'N';
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
410
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
411 char ord_char = (ord.empty () ? 'U' : ord[0]);
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
412
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
413 if (ord_char == 'A' || ord_char == 'D' || ord_char == 'a' || ord_char == 'd')
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
414 sort = 'S';
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
415
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23696
diff changeset
416 volatile float_complex_selector selector = nullptr;
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
417 if (ord_char == 'A' || ord_char == 'a')
22839
b27125252bb0 use Fortran data types for Fortran function pointer typedefs
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
418 selector = select_ana;
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
419 else if (ord_char == 'D' || ord_char == 'd')
22839
b27125252bb0 use Fortran data types for Fortran function pointer typedefs
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
420 selector = select_dig;
21266
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John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
421
22844
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class
John W. Eaton <jwe@octave.org>
parents: 22839
diff changeset
422 F77_INT n = a_nc;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class
John W. Eaton <jwe@octave.org>
parents: 22839
diff changeset
423 F77_INT lwork = 8 * n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class
John W. Eaton <jwe@octave.org>
parents: 22839
diff changeset
424 F77_INT info;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class
John W. Eaton <jwe@octave.org>
parents: 22839
diff changeset
425 F77_INT sdim;
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
426 float rconde;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
427 float rcondv;
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
428
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
429 schur_mat = a;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
430 if (calc_unitary)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
431 unitary_mat.clear (n, n);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
432
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
433 FloatComplex *s = schur_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
434 FloatComplex *q = unitary_mat.fortran_vec ();
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
435
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
436 Array<float> rwork (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
437 float *prwork = rwork.fortran_vec ();
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
438
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
439 Array<FloatComplex> w (dim_vector (n, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
440 FloatComplex *pw = w.fortran_vec ();
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
441
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
442 Array<FloatComplex> work (dim_vector (lwork, 1));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
443 FloatComplex *pwork = work.fortran_vec ();
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
444
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
445 // BWORK is not referenced for non-ordered Schur.
22844
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class
John W. Eaton <jwe@octave.org>
parents: 22839
diff changeset
446 F77_INT ntmp = (ord_char == 'N' || ord_char == 'n') ? 0 : n;
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class
John W. Eaton <jwe@octave.org>
parents: 22839
diff changeset
447 Array<F77_INT> bwork (dim_vector (ntmp, 1));
7bb977866f55 use F77_INT instead of octave_idx_type for liboctave schur class
John W. Eaton <jwe@octave.org>
parents: 22839
diff changeset
448 F77_INT *pbwork = bwork.fortran_vec ();
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
449
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
450 F77_XFCN (cgeesx, CGEESX, (F77_CONST_CHAR_ARG2 (&jobvs, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
451 F77_CONST_CHAR_ARG2 (&sort, 1),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
452 selector,
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
453 F77_CONST_CHAR_ARG2 (&sense, 1),
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22329
diff changeset
454 n, F77_CMPLX_ARG (s), n, sdim, F77_CMPLX_ARG (pw), F77_CMPLX_ARG (q), n, rconde,
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22329
diff changeset
455 rcondv,
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
456 F77_CMPLX_ARG (pwork), lwork, prwork, pbwork, info
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
457 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
458 F77_CHAR_ARG_LEN (1)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
459 F77_CHAR_ARG_LEN (1)));
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
460
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
461 return info;
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
462 }
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
463
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
464 template <>
29228
5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27923
diff changeset
465 OCTAVE_API schur<FloatComplexMatrix>
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22329
diff changeset
466 rsf2csf<FloatComplexMatrix, FloatMatrix> (const FloatMatrix& s_arg,
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22329
diff changeset
467 const FloatMatrix& u_arg)
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
468 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
469 FloatComplexMatrix s (s_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
470 FloatComplexMatrix u (u_arg);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
471
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23475
diff changeset
472 F77_INT n = to_f77_int (s.rows ());
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
473
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
474 if (s.columns () != n || u.rows () != n || u.columns () != n)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
475 (*current_liboctave_error_handler)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
476 ("rsf2csf: inconsistent matrix dimensions");
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
477
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
478 if (n > 0)
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
479 {
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
480 OCTAVE_LOCAL_BUFFER (float, c, n-1);
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
481 OCTAVE_LOCAL_BUFFER (float, sx, n-1);
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
482
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
483 F77_XFCN (crsf2csf, CRSF2CSF, (n, F77_CMPLX_ARG (s.fortran_vec ()),
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
484 F77_CMPLX_ARG (u.fortran_vec ()), c, sx));
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
485 }
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
486
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
487 return schur<FloatComplexMatrix> (s, u);
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
488 }
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
489
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
490 // Instantiations we need.
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
491
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
492 template class schur<ComplexMatrix>;
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
493
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
494 template class schur<FloatComplexMatrix>;
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
495
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
496 template class schur<FloatMatrix>;
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
497
22329
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
498 template class schur<Matrix>;
7f3c7a8bd131 maint: Indent namespaces in liboctave/numeric files.
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
499 }
21266
e69eaee28737 make better use of templates for Schur decomposition
John W. Eaton <jwe@octave.org>
parents: 21202
diff changeset
500 }