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update formatting of copyright notices * Use <https://octave.org/copyright/> instead of <https://octave.org/COPYRIGHT.html/>. * For consistency with other comments in the Octave sources, use C++-style comments for copyright blocks in C and C++ files. * Use delimiters above and below copyright blocks that are appropriate for the language used in the file. * Eliminate extra spacing inside copyright blocks. * lex.ll (looks_like_copyright): Also allow newlines and carriage returns before the word "Copyright". * scripts/mk-doc.pl (gethelp): Also skip empty comment lines. * bp-table.cc, type.m: Adjust tests.
author John W. Eaton <jwe@octave.org>
date Wed, 08 Jan 2020 11:59:41 -0500
parents 1891570abac8
children 0a5b15007766
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27923
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1997-2020 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 #ifdef 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 <vector>
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31
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32 #include "CMatrix.h"
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33 #include "dDiagMatrix.h"
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34 #include "dMatrix.h"
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35 #include "fCMatrix.h"
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36 #include "fDiagMatrix.h"
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37 #include "fMatrix.h"
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38 #include "gsvd.h"
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39 #include "lo-error.h"
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40 #include "lo-lapack-proto.h"
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41 #include "oct-shlib.h"
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42
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43 namespace octave
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44 {
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45 static std::map<std::string, void *> gsvd_fcn;
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46
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47 static bool have_DGGSVD3 = false;
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48 static bool gsvd_initialized = false;
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49
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50 /* Hack to stringize macro results. */
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51 #define xSTRINGIZE(x) #x
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52 #define STRINGIZE(x) xSTRINGIZE(x)
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53
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54 static void initialize_gsvd (void)
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55 {
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56 if (gsvd_initialized)
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57 return;
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58
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59 dynamic_library libs ("");
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60 if (! libs)
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61 {
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62 // FIXME: Should we throw an error if we cannot check the libraries?
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63 have_DGGSVD3 = false;
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64 return;
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65 }
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66
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67 have_DGGSVD3 = (libs.search (STRINGIZE (F77_FUNC (dggsvd3, DGGSVD3)))
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68 != nullptr);
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69
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70 if (have_DGGSVD3)
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71 {
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72 gsvd_fcn["dg"] = libs.search (STRINGIZE (F77_FUNC (dggsvd3, DGGSVD3)));
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73 gsvd_fcn["sg"] = libs.search (STRINGIZE (F77_FUNC (sggsvd3, SGGSVD3)));
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74 gsvd_fcn["zg"] = libs.search (STRINGIZE (F77_FUNC (zggsvd3, ZGGSVD3)));
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75 gsvd_fcn["cg"] = libs.search (STRINGIZE (F77_FUNC (cggsvd3, CGGSVD3)));
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76 }
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77 else
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78 {
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79 gsvd_fcn["dg"] = libs.search (STRINGIZE (F77_FUNC (dggsvd, DGGSVD)));
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80 gsvd_fcn["sg"] = libs.search (STRINGIZE (F77_FUNC (sggsvd, SGGSVD)));
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81 gsvd_fcn["zg"] = libs.search (STRINGIZE (F77_FUNC (zggsvd, ZGGSVD)));
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82 gsvd_fcn["cg"] = libs.search (STRINGIZE (F77_FUNC (cggsvd, CGGSVD)));
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83 }
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84 gsvd_initialized = true;
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85 }
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86
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87 template<class T1>
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88 struct real_ggsvd_ptr
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89 {
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90 typedef F77_RET_T (*type)
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91 (F77_CONST_CHAR_ARG_DECL, // JOBU
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92 F77_CONST_CHAR_ARG_DECL, // JOBV
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93 F77_CONST_CHAR_ARG_DECL, // JOBQ
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94 const F77_INT&, // M
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95 const F77_INT&, // N
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96 const F77_INT&, // P
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97 F77_INT &, // K
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98 F77_INT &, // L
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99 T1*, // A(LDA,N)
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100 const F77_INT&, // LDA
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101 T1*, // B(LDB,N)
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102 const F77_INT&, // LDB
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103 T1*, // ALPHA(N)
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104 T1*, // BETA(N)
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105 T1*, // U(LDU,M)
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106 const F77_INT&, // LDU
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107 T1*, // V(LDV,P)
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108 const F77_INT&, // LDV
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109 T1*, // Q(LDQ,N)
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110 const F77_INT&, // LDQ
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111 T1*, // WORK
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112 F77_INT*, // IWORK(N)
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113 F77_INT& // INFO
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114 F77_CHAR_ARG_LEN_DECL
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115 F77_CHAR_ARG_LEN_DECL
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116 F77_CHAR_ARG_LEN_DECL);
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117 };
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118
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119 template<class T1>
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120 struct real_ggsvd3_ptr
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121 {
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122 typedef F77_RET_T (*type)
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123 (F77_CONST_CHAR_ARG_DECL, // JOBU
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124 F77_CONST_CHAR_ARG_DECL, // JOBV
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125 F77_CONST_CHAR_ARG_DECL, // JOBQ
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126 const F77_INT&, // M
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127 const F77_INT&, // N
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128 const F77_INT&, // P
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129 F77_INT &, // K
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130 F77_INT &, // L
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131 T1*, // A(LDA,N)
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132 const F77_INT&, // LDA
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133 T1*, // B(LDB,N)
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134 const F77_INT&, // LDB
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135 T1*, // ALPHA(N)
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136 T1*, // BETA(N)
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137 T1*, // U(LDU,M)
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138 const F77_INT&, // LDU
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139 T1*, // V(LDV,P)
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140 const F77_INT&, // LDV
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141 T1*, // Q(LDQ,N)
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142 const F77_INT&, // LDQ
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143 T1*, // WORK
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144 const F77_INT&, // LWORK
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145 F77_INT*, // IWORK(N)
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146 F77_INT& // INFO
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147 F77_CHAR_ARG_LEN_DECL
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148 F77_CHAR_ARG_LEN_DECL
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149 F77_CHAR_ARG_LEN_DECL);
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150 };
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151
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152 template<class T1, class T2>
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153 struct comp_ggsvd_ptr
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154 {
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155 typedef F77_RET_T (*type)
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156 (F77_CONST_CHAR_ARG_DECL, // JOBU
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157 F77_CONST_CHAR_ARG_DECL, // JOBV
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158 F77_CONST_CHAR_ARG_DECL, // JOBQ
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159 const F77_INT&, // M
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160 const F77_INT&, // N
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161 const F77_INT&, // P
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162 F77_INT &, // K
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163 F77_INT &, // L
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164 T1*, // A(LDA,N)
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165 const F77_INT&, // LDA
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166 T1*, // B(LDB,N)
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167 const F77_INT&, // LDB
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168 T2*, // ALPHA(N)
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169 T2*, // BETA(N)
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170 T1*, // U(LDU,M)
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171 const F77_INT&, // LDU
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172 T1*, // V(LDV,P)
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173 const F77_INT&, // LDV
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174 T1*, // Q(LDQ,N)
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175 const F77_INT&, // LDQ
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176 T1*, // WORK
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177 T2*, // RWORK
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178 F77_INT*, // IWORK(N)
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179 F77_INT& // INFO
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180 F77_CHAR_ARG_LEN_DECL
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181 F77_CHAR_ARG_LEN_DECL
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182 F77_CHAR_ARG_LEN_DECL);
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183 };
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184
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185 template<class T1, class T2>
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186 struct comp_ggsvd3_ptr
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187 {
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188 typedef F77_RET_T (*type)
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189 (F77_CONST_CHAR_ARG_DECL, // JOBU
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190 F77_CONST_CHAR_ARG_DECL, // JOBV
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191 F77_CONST_CHAR_ARG_DECL, // JOBQ
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192 const F77_INT&, // M
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193 const F77_INT&, // N
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194 const F77_INT&, // P
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195 F77_INT &, // K
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196 F77_INT &, // L
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197 T1*, // A(LDA,N)
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198 const F77_INT&, // LDA
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199 T1*, // B(LDB,N)
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200 const F77_INT&, // LDB
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201 T2*, // ALPHA(N)
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202 T2*, // BETA(N)
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203 T1*, // U(LDU,M)
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204 const F77_INT&, // LDU
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205 T1*, // V(LDV,P)
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206 const F77_INT&, // LDV
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207 T1*, // Q(LDQ,N)
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208 const F77_INT&, // LDQ
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209 T1*, // WORK
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210 const F77_INT&, // LWORK
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211 T2*, // RWORK
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212 F77_INT*, // IWORK(N)
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213 F77_INT& // INFO
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214 F77_CHAR_ARG_LEN_DECL
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215 F77_CHAR_ARG_LEN_DECL
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216 F77_CHAR_ARG_LEN_DECL);
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217 };
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218
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219 // template specializations
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220 typedef real_ggsvd3_ptr<F77_DBLE>::type dggsvd3_type;
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221 typedef real_ggsvd_ptr<F77_DBLE>::type dggsvd_type;
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222 typedef real_ggsvd3_ptr<F77_REAL>::type sggsvd3_type;
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223 typedef real_ggsvd_ptr<F77_REAL>::type sggsvd_type;
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224 typedef comp_ggsvd3_ptr<F77_DBLE_CMPLX, F77_DBLE>::type zggsvd3_type;
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225 typedef comp_ggsvd_ptr<F77_DBLE_CMPLX, F77_DBLE>::type zggsvd_type;
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226 typedef comp_ggsvd3_ptr<F77_CMPLX, F77_REAL>::type cggsvd3_type;
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227 typedef comp_ggsvd_ptr<F77_CMPLX, F77_REAL>::type cggsvd_type;
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228
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229 namespace math
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230 {
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231 template <>
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232 void
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233 gsvd<Matrix>::ggsvd (char& jobu, char& jobv, char& jobq, F77_INT m,
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234 F77_INT n, F77_INT p, F77_INT& k, F77_INT& l,
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235 double *tmp_dataA, F77_INT m1, double *tmp_dataB,
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236 F77_INT p1, Matrix& alpha, Matrix& beta, double *u,
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237 F77_INT nrow_u, double *v, F77_INT nrow_v, double *q,
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238 F77_INT nrow_q, Matrix& work, F77_INT lwork,
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239 F77_INT *iwork, F77_INT& info)
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240 {
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241 if (! gsvd_initialized)
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242 initialize_gsvd ();
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243
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244 if (have_DGGSVD3)
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245 {
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69b89e81d3d3 Fix unloading dynamic libraries (bug #50463).
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diff changeset
246 dggsvd3_type f_ptr = reinterpret_cast<dggsvd3_type> (gsvd_fcn["dg"]);
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f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
247 f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1),
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diff changeset
248 F77_CONST_CHAR_ARG2 (&jobv, 1),
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diff changeset
249 F77_CONST_CHAR_ARG2 (&jobq, 1),
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diff changeset
250 m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1,
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diff changeset
251 alpha.fortran_vec (), beta.fortran_vec (),
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diff changeset
252 u, nrow_u, v, nrow_v, q, nrow_q,
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diff changeset
253 work.fortran_vec (), lwork, iwork, info
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diff changeset
254 F77_CHAR_ARG_LEN (1)
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diff changeset
255 F77_CHAR_ARG_LEN (1)
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diff changeset
256 F77_CHAR_ARG_LEN (1));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
257 }
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diff changeset
258 else
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
259 {
24677
69b89e81d3d3 Fix unloading dynamic libraries (bug #50463).
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diff changeset
260 dggsvd_type f_ptr = reinterpret_cast<dggsvd_type> (gsvd_fcn["dg"]);
24653
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diff changeset
261 f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1),
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diff changeset
262 F77_CONST_CHAR_ARG2 (&jobv, 1),
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diff changeset
263 F77_CONST_CHAR_ARG2 (&jobq, 1),
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diff changeset
264 m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1,
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diff changeset
265 alpha.fortran_vec (), beta.fortran_vec (),
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diff changeset
266 u, nrow_u, v, nrow_v, q, nrow_q,
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diff changeset
267 work.fortran_vec (), iwork, info
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diff changeset
268 F77_CHAR_ARG_LEN (1)
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diff changeset
269 F77_CHAR_ARG_LEN (1)
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diff changeset
270 F77_CHAR_ARG_LEN (1));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
271 }
22236
065a44375723 gsvd: reduce code duplication with templates.
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parents:
diff changeset
272 }
065a44375723 gsvd: reduce code duplication with templates.
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parents:
diff changeset
273
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
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diff changeset
274 template <>
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Carnë Draug <carandraug@octave.org>
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diff changeset
275 void
22945
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
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diff changeset
276 gsvd<FloatMatrix>::ggsvd (char& jobu, char& jobv, char& jobq, F77_INT m,
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diff changeset
277 F77_INT n, F77_INT p, F77_INT& k, F77_INT& l,
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diff changeset
278 float *tmp_dataA, F77_INT m1, float *tmp_dataB,
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diff changeset
279 F77_INT p1, FloatMatrix& alpha,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
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diff changeset
280 FloatMatrix& beta, float *u, F77_INT nrow_u,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
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diff changeset
281 float *v, F77_INT nrow_v, float *q,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
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diff changeset
282 F77_INT nrow_q, FloatMatrix& work,
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
283 F77_INT lwork, F77_INT *iwork, F77_INT& info)
22236
065a44375723 gsvd: reduce code duplication with templates.
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parents:
diff changeset
284 {
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
285 if (! gsvd_initialized)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
286 initialize_gsvd ();
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
287
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
288 if (have_DGGSVD3)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
289 {
24677
69b89e81d3d3 Fix unloading dynamic libraries (bug #50463).
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parents: 24653
diff changeset
290 sggsvd3_type f_ptr = reinterpret_cast<sggsvd3_type> (gsvd_fcn["sg"]);
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
291 f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1),
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diff changeset
292 F77_CONST_CHAR_ARG2 (&jobv, 1),
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diff changeset
293 F77_CONST_CHAR_ARG2 (&jobq, 1),
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diff changeset
294 m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1,
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diff changeset
295 alpha.fortran_vec (), beta.fortran_vec (),
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diff changeset
296 u, nrow_u, v, nrow_v, q, nrow_q,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
297 work.fortran_vec (), lwork, iwork, info
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diff changeset
298 F77_CHAR_ARG_LEN (1)
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diff changeset
299 F77_CHAR_ARG_LEN (1)
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diff changeset
300 F77_CHAR_ARG_LEN (1));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
301 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
302 else
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
303 {
24677
69b89e81d3d3 Fix unloading dynamic libraries (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24653
diff changeset
304 sggsvd_type f_ptr = reinterpret_cast<sggsvd_type> (gsvd_fcn["sg"]);
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
305 f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1),
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diff changeset
306 F77_CONST_CHAR_ARG2 (&jobv, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
307 F77_CONST_CHAR_ARG2 (&jobq, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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parents: 24534
diff changeset
308 m, n, p, k, l, tmp_dataA, m1, tmp_dataB, p1,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
309 alpha.fortran_vec (), beta.fortran_vec (),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
310 u, nrow_u, v, nrow_v, q, nrow_q,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
311 work.fortran_vec (), iwork, info
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
312 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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diff changeset
313 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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parents: 24534
diff changeset
314 F77_CHAR_ARG_LEN (1));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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parents: 24534
diff changeset
315 }
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
316 }
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
317
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
318 template <>
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
319 void
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
320 gsvd<ComplexMatrix>::ggsvd (char& jobu, char& jobv, char& jobq,
22945
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
321 F77_INT m, F77_INT n, F77_INT p, F77_INT& k,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
322 F77_INT& l, Complex *tmp_dataA, F77_INT m1,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
323 Complex *tmp_dataB, F77_INT p1, Matrix& alpha,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
324 Matrix& beta, Complex *u, F77_INT nrow_u,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
325 Complex *v, F77_INT nrow_v, Complex *q,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
326 F77_INT nrow_q, ComplexMatrix& work,
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
327 F77_INT lwork, F77_INT *iwork, F77_INT& info)
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
328 {
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
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parents: 24534
diff changeset
329 if (! gsvd_initialized)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
330 initialize_gsvd ();
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
331
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
332 Matrix rwork(2*n, 1);
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
333 if (have_DGGSVD3)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
334 {
24677
69b89e81d3d3 Fix unloading dynamic libraries (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24653
diff changeset
335 zggsvd3_type f_ptr = reinterpret_cast<zggsvd3_type> (gsvd_fcn["zg"]);
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
336 f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
337 F77_CONST_CHAR_ARG2 (&jobv, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
338 F77_CONST_CHAR_ARG2 (&jobq, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
339 m, n, p, k, l,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
340 F77_DBLE_CMPLX_ARG (tmp_dataA), m1,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
341 F77_DBLE_CMPLX_ARG (tmp_dataB), p1,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
342 alpha.fortran_vec (), beta.fortran_vec (),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
343 F77_DBLE_CMPLX_ARG (u), nrow_u,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
344 F77_DBLE_CMPLX_ARG (v), nrow_v,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
345 F77_DBLE_CMPLX_ARG (q), nrow_q,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
346 F77_DBLE_CMPLX_ARG (work.fortran_vec ()),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
347 lwork, rwork.fortran_vec (), iwork, info
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
348 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
349 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
350 F77_CHAR_ARG_LEN (1));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
351 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
352 else
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
353 {
24677
69b89e81d3d3 Fix unloading dynamic libraries (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24653
diff changeset
354 zggsvd_type f_ptr = reinterpret_cast<zggsvd_type> (gsvd_fcn["zg"]);
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
355 f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
356 F77_CONST_CHAR_ARG2 (&jobv, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
357 F77_CONST_CHAR_ARG2 (&jobq, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
358 m, n, p, k, l,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
359 F77_DBLE_CMPLX_ARG (tmp_dataA), m1,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
360 F77_DBLE_CMPLX_ARG (tmp_dataB), p1,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
361 alpha.fortran_vec (), beta.fortran_vec (),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
362 F77_DBLE_CMPLX_ARG (u), nrow_u,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
363 F77_DBLE_CMPLX_ARG (v), nrow_v,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
364 F77_DBLE_CMPLX_ARG (q), nrow_q,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
365 F77_DBLE_CMPLX_ARG (work.fortran_vec ()),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
366 rwork.fortran_vec (), iwork, info
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
367 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
368 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
369 F77_CHAR_ARG_LEN (1));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
370 }
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
371 }
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
372
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
373 template <>
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
374 void
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
375 gsvd<FloatComplexMatrix>::ggsvd (char& jobu, char& jobv, char& jobq,
22945
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
376 F77_INT m, F77_INT n, F77_INT p,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
377 F77_INT& k, F77_INT& l,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
378 FloatComplex *tmp_dataA, F77_INT m1,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
379 FloatComplex *tmp_dataB, F77_INT p1,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
380 FloatMatrix& alpha, FloatMatrix& beta,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
381 FloatComplex *u, F77_INT nrow_u,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
382 FloatComplex *v, F77_INT nrow_v,
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
383 FloatComplex *q, F77_INT nrow_q,
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
384 FloatComplexMatrix& work, F77_INT lwork,
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23221
diff changeset
385 F77_INT *iwork, F77_INT& info)
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
386 {
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
387 if (! gsvd_initialized)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
388 initialize_gsvd ();
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
389
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
390 FloatMatrix rwork(2*n, 1);
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
391 if (have_DGGSVD3)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
392 {
24677
69b89e81d3d3 Fix unloading dynamic libraries (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24653
diff changeset
393 cggsvd3_type f_ptr = reinterpret_cast<cggsvd3_type> (gsvd_fcn["cg"]);
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
394 f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
395 F77_CONST_CHAR_ARG2 (&jobv, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
396 F77_CONST_CHAR_ARG2 (&jobq, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
397 m, n, p, k, l,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
398 F77_CMPLX_ARG (tmp_dataA), m1,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
399 F77_CMPLX_ARG (tmp_dataB), p1,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
400 alpha.fortran_vec (), beta.fortran_vec (),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
401 F77_CMPLX_ARG (u), nrow_u,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
402 F77_CMPLX_ARG (v), nrow_v,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
403 F77_CMPLX_ARG (q), nrow_q,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
404 F77_CMPLX_ARG (work.fortran_vec ()), lwork,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
405 rwork.fortran_vec (), iwork, info
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
406 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
407 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
408 F77_CHAR_ARG_LEN (1));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
409 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
410 else
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
411 {
24677
69b89e81d3d3 Fix unloading dynamic libraries (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24653
diff changeset
412 cggsvd_type f_ptr = reinterpret_cast<cggsvd_type> (gsvd_fcn["cg"]);
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
413 f_ptr (F77_CONST_CHAR_ARG2 (&jobu, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
414 F77_CONST_CHAR_ARG2 (&jobv, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
415 F77_CONST_CHAR_ARG2 (&jobq, 1),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
416 m, n, p, k, l,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
417 F77_CMPLX_ARG (tmp_dataA), m1,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
418 F77_CMPLX_ARG (tmp_dataB), p1,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
419 alpha.fortran_vec (), beta.fortran_vec (),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
420 F77_CMPLX_ARG (u), nrow_u,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
421 F77_CMPLX_ARG (v), nrow_v,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
422 F77_CMPLX_ARG (q), nrow_q,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
423 F77_CMPLX_ARG (work.fortran_vec ()),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
424 rwork.fortran_vec (), iwork, info
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
425 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
426 F77_CHAR_ARG_LEN (1)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
427 F77_CHAR_ARG_LEN (1));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
428 }
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
429 }
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
430
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
431 template <typename T>
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
432 T
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
433 gsvd<T>::left_singular_matrix_A (void) const
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
434 {
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
435 if (type == gsvd::Type::sigma_only)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
436 {
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
437 (*current_liboctave_error_handler)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
438 ("gsvd: U not computed because type == gsvd::sigma_only");
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
439 return T ();
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
440 }
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
441 else
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
442 return left_smA;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
443 }
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
444
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
445 template <typename T>
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
446 T
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
447 gsvd<T>::left_singular_matrix_B (void) const
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
448 {
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
449 if (type == gsvd::Type::sigma_only)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
450 {
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
451 (*current_liboctave_error_handler)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
452 ("gsvd: V not computed because type == gsvd::sigma_only");
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
453 return T ();
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
454 }
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
455 else
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
456 return left_smB;
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
457 }
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
458
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
459 template <typename T>
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
460 T
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
461 gsvd<T>::right_singular_matrix (void) const
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
462 {
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
463 if (type == gsvd::Type::sigma_only)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
464 {
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
465 (*current_liboctave_error_handler)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
466 ("gsvd: X not computed because type == gsvd::sigma_only");
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
467 return T ();
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
468 }
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
469 else
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
470 return right_sm;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
471 }
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
472
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
473 template <typename T>
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
474 T
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
475 gsvd<T>::R_matrix (void) const
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
476 {
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
477 if (type != gsvd::Type::std)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
478 {
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
479 (*current_liboctave_error_handler)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
480 ("gsvd: R not computed because type != gsvd::std");
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
481 return T ();
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
482 }
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
483 else
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
484 return R;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
485 }
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
486
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
487 template <typename T>
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
488 gsvd<T>::gsvd (const T& a, const T& b, gsvd::Type gsvd_type)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
489 {
22945
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
490 F77_INT info;
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
491
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23475
diff changeset
492 F77_INT m = to_f77_int (a.rows ());
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23475
diff changeset
493 F77_INT n = to_f77_int (a.cols ());
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23475
diff changeset
494 F77_INT p = to_f77_int (b.rows ());
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
495
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
496 T atmp = a;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
497 P *tmp_dataA = atmp.fortran_vec ();
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
498
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
499 T btmp = b;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
500 P *tmp_dataB = btmp.fortran_vec ();
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
501
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
502 char jobu = 'U';
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
503 char jobv = 'V';
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
504 char jobq = 'Q';
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
505
22945
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
506 F77_INT nrow_u = m;
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
507 F77_INT nrow_v = p;
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
508 F77_INT nrow_q = n;
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
509
22945
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
510 F77_INT k, l;
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
511
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
512 switch (gsvd_type)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
513 {
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
514 case gsvd<T>::Type::sigma_only:
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
515
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
516 // Note: for this case, both jobu and jobv should be 'N', but
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
517 // there seems to be a bug in dgesvd from Lapack V2.0. To
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
518 // demonstrate the bug, set both jobu and jobv to 'N' and find
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
519 // the singular values of [eye(3), eye(3)]. The result is
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
520 // [-sqrt(2), -sqrt(2), -sqrt(2)].
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
521 //
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
522 // For Lapack 3.0, this problem seems to be fixed.
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
523
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
524 jobu = 'N';
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
525 jobv = 'N';
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
526 jobq = 'N';
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
527 nrow_u = nrow_v = nrow_q = 1;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
528 break;
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
529
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
530 default:
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
531 break;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
532 }
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
533
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
534 type = gsvd_type;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
535
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
536 if (! (jobu == 'N' || jobu == 'O'))
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
537 left_smA.resize (nrow_u, m);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
538
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
539 P *u = left_smA.fortran_vec ();
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
540
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
541 if (! (jobv == 'N' || jobv == 'O'))
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
542 left_smB.resize (nrow_v, p);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
543
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
544 P *v = left_smB.fortran_vec ();
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
545
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
546 if (! (jobq == 'N' || jobq == 'O'))
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
547 right_sm.resize (nrow_q, n);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
548
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
549 P *q = right_sm.fortran_vec ();
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
550
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
551 real_matrix alpha (n, 1);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
552 real_matrix beta (n, 1);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
553
22945
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
554 std::vector<F77_INT> iwork (n);
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
555
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
556 if (! gsvd_initialized)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
557 initialize_gsvd ();
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
558
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
559 F77_INT lwork;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
560 if (have_DGGSVD3)
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
561 {
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
562 lwork = -1;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
563 T work_tmp (1, 1);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
564
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
565 gsvd<T>::ggsvd (jobu, jobv, jobq, m, n, p, k, l,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
566 tmp_dataA, m, tmp_dataB, p, alpha, beta, u,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
567 nrow_u, v, nrow_v, q, nrow_q, work_tmp, lwork,
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
568 iwork.data (), info);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
569
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
570 lwork = static_cast<F77_INT> (std::abs (work_tmp(0, 0)));
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
571 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
572 else
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
573 {
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
574 lwork = 3*n;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
575 lwork = (lwork > m ? lwork : m);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
576 lwork = (lwork > p ? lwork : p) + n;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
577 }
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
578 info = 0;
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
579
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
580 T work (lwork, 1);
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
581
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
582 gsvd<T>::ggsvd (jobu, jobv, jobq, m, n, p, k, l,
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
583 tmp_dataA, m, tmp_dataB, p, alpha, beta, u,
24653
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
584 nrow_u, v, nrow_v, q, nrow_q, work, lwork, iwork.data (),
f0de21a6a426 Use new LAPACK functions in gsvd if available (bug #50463).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24534
diff changeset
585 info);
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
586
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
587 if (info < 0)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
588 (*current_liboctave_error_handler) ("*ggsvd.f: argument %d illegal",
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
589 -info);
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
590 else
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
591 {
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
592 if (info > 0)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
593 (*current_liboctave_error_handler)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
594 ("*ggsvd.f: Jacobi-type procedure failed to converge.");
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
595 else
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
596 {
22945
eb01d0178188 use F77_INT instead of octave_idx_type for liboctave gsvd class
John W. Eaton <jwe@octave.org>
parents: 22755
diff changeset
597 F77_INT i, j;
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
598
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
599 if (gsvd<T>::Type::std == gsvd_type)
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
600 {
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
601 R.resize(k+l, k+l);
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
602 int astart = n-k-l;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
603 if (m - k - l >= 0)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
604 {
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Carnë Draug <carandraug@octave.org>
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605 astart = n-k-l;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
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606 // R is stored in A(1:K+L,N-K-L+1:N)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
607 for (i = 0; i < k+l; i++)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
608 for (j = 0; j < k+l; j++)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
609 R.xelem (i, j) = atmp.xelem (i, astart + j);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
610 }
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
611 else
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
612 {
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
613 // (R11 R12 R13 ) is stored in A(1:M, N-K-L+1:N),
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
614 // ( 0 R22 R23 )
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
615
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
616 for (i = 0; i < m; i++)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
617 for (j = 0; j < k+l; j++)
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
618 R.xelem (i, j) = atmp.xelem (i, astart + j);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
619 // and R33 is stored in B(M-K+1:L,N+M-K-L+1:N)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
620 for (i = k+l-1; i >=m; i--)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
621 {
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
622 for (j = 0; j < m; j++)
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
623 R.xelem(i, j) = 0.0;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
624 for (j = m; j < k+l; j++)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
625 R.xelem (i, j) = btmp.xelem (i - k, astart + j);
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
626 }
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
627 }
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
628 }
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
629
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
630 if (m-k-l >= 0)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
631 {
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
632 // Fills in C and S
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
633 sigmaA.resize (l, l);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
634 sigmaB.resize (l, l);
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
635 for (i = 0; i < l; i++)
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
636 {
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
637 sigmaA.dgxelem(i) = alpha.elem(k+i);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
638 sigmaB.dgxelem(i) = beta.elem(k+i);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
639 }
22236
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Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
640 }
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
641 else
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
642 {
22437
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Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
643 // Fills in C and S
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
644 sigmaA.resize (m-k, m-k);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
645 sigmaB.resize (m-k, m-k);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
646 for (i = 0; i < m-k; i++)
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22323
diff changeset
647 {
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
648 sigmaA.dgxelem(i) = alpha.elem(k+i);
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
649 sigmaB.dgxelem(i) = beta.elem(k+i);
22402
4caa7b28d183 maint: Style check C++ code in liboctave/
Rik <rik@octave.org>
parents: 22323
diff changeset
650 }
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
651 }
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
652 }
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
653 }
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
654 }
22437
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
655
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
656 // Instantiations we need.
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
657 template class gsvd<Matrix>;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
658 template class gsvd<FloatMatrix>;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
659 template class gsvd<ComplexMatrix>;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
660 template class gsvd<FloatComplexMatrix>;
0aee8b620864 gsvd: move new class into the octave::math namespace.
Carnë Draug <carandraug@octave.org>
parents: 22436
diff changeset
661 }
22236
065a44375723 gsvd: reduce code duplication with templates.
Barbara Locsi <locsi.barbara@gmail.com>
parents:
diff changeset
662 }