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

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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 "hess.h"
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36 #include "lo-error.h"
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37 #include "lo-lapack-proto.h"
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38
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39 namespace octave
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40 {
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41 namespace math
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42 {
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43 template <>
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44 OCTAVE_API octave_idx_type
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45 hess<Matrix>::init (const Matrix& a)
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46 {
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47 F77_INT a_nr = to_f77_int (a.rows ());
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48 F77_INT a_nc = to_f77_int (a.cols ());
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49
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50 if (a_nr != a_nc)
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51 (*current_liboctave_error_handler) ("hess: requires square matrix");
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52
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53 char job = 'N';
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54 char side = 'R';
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55
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56 F77_INT n = a_nc;
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57 F77_INT lwork = 32 * n;
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58 F77_INT info;
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59 F77_INT ilo;
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60 F77_INT ihi;
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61
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62 hess_mat = a;
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63 double *h = hess_mat.fortran_vec ();
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64
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65 Array<double> scale (dim_vector (n, 1));
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66 double *pscale = scale.fortran_vec ();
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67
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68 F77_XFCN (dgebal, DGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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69 n, h, n, ilo, ihi, pscale, info
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70 F77_CHAR_ARG_LEN (1)));
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71
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72 Array<double> tau (dim_vector (n-1, 1));
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73 double *ptau = tau.fortran_vec ();
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74
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75 Array<double> work (dim_vector (lwork, 1));
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76 double *pwork = work.fortran_vec ();
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77
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78 F77_XFCN (dgehrd, DGEHRD, (n, ilo, ihi, h, n, ptau, pwork,
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79 lwork, info));
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80
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81 unitary_hess_mat = hess_mat;
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82 double *z = unitary_hess_mat.fortran_vec ();
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83
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84 F77_XFCN (dorghr, DORGHR, (n, ilo, ihi, z, n, ptau, pwork,
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85 lwork, info));
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86
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87 F77_XFCN (dgebak, DGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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88 F77_CONST_CHAR_ARG2 (&side, 1),
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89 n, ilo, ihi, pscale, n, z,
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90 n, info
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91 F77_CHAR_ARG_LEN (1)
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92 F77_CHAR_ARG_LEN (1)));
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93
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94 // If someone thinks of a more graceful way of doing
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95 // this (or faster for that matter :-)), please let
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96 // me know!
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97
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98 if (n > 2)
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99 for (F77_INT j = 0; j < a_nc; j++)
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100 for (F77_INT i = j+2; i < a_nr; i++)
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101 hess_mat.elem (i, j) = 0;
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102
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103 return info;
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104 }
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105
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106 template <>
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107 OCTAVE_API octave_idx_type
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108 hess<FloatMatrix>::init (const FloatMatrix& a)
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109 {
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110 F77_INT a_nr = to_f77_int (a.rows ());
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111 F77_INT a_nc = to_f77_int (a.cols ());
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112
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113 if (a_nr != a_nc)
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114 (*current_liboctave_error_handler) ("hess: requires square matrix");
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115
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116 char job = 'N';
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117 char side = 'R';
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118
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119 F77_INT n = a_nc;
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120 F77_INT lwork = 32 * n;
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121 F77_INT info;
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122 F77_INT ilo;
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123 F77_INT ihi;
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124
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125 hess_mat = a;
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126 float *h = hess_mat.fortran_vec ();
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127
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128 Array<float> scale (dim_vector (n, 1));
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129 float *pscale = scale.fortran_vec ();
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130
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131 F77_XFCN (sgebal, SGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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132 n, h, n, ilo, ihi, pscale, info
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133 F77_CHAR_ARG_LEN (1)));
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134
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135 Array<float> tau (dim_vector (n-1, 1));
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136 float *ptau = tau.fortran_vec ();
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137
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138 Array<float> work (dim_vector (lwork, 1));
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139 float *pwork = work.fortran_vec ();
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140
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141 F77_XFCN (sgehrd, SGEHRD, (n, ilo, ihi, h, n, ptau, pwork,
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142 lwork, info));
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143
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144 unitary_hess_mat = hess_mat;
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145 float *z = unitary_hess_mat.fortran_vec ();
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146
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147 F77_XFCN (sorghr, SORGHR, (n, ilo, ihi, z, n, ptau, pwork,
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148 lwork, info));
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149
22329
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150 F77_XFCN (sgebak, SGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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151 F77_CONST_CHAR_ARG2 (&side, 1),
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152 n, ilo, ihi, pscale, n, z,
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153 n, info
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154 F77_CHAR_ARG_LEN (1)
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155 F77_CHAR_ARG_LEN (1)));
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156
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157 // If someone thinks of a more graceful way of doing
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158 // this (or faster for that matter :-)), please let
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159 // me know!
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160
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161 if (n > 2)
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162 for (F77_INT j = 0; j < a_nc; j++)
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163 for (F77_INT i = j+2; i < a_nr; i++)
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164 hess_mat.elem (i, j) = 0;
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165
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166 return info;
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167 }
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168
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169 template <>
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170 OCTAVE_API octave_idx_type
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171 hess<ComplexMatrix>::init (const ComplexMatrix& a)
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172 {
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173 F77_INT a_nr = to_f77_int (a.rows ());
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174 F77_INT a_nc = to_f77_int (a.cols ());
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175
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176 if (a_nr != a_nc)
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177 (*current_liboctave_error_handler) ("hess: requires square matrix");
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178
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179 char job = 'N';
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180 char side = 'R';
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181
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182 F77_INT n = a_nc;
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183 F77_INT lwork = 32 * n;
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184 F77_INT info;
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185 F77_INT ilo;
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186 F77_INT ihi;
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187
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188 hess_mat = a;
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189 Complex *h = hess_mat.fortran_vec ();
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190
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191 Array<double> scale (dim_vector (n, 1));
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192 double *pscale = scale.fortran_vec ();
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193
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194 F77_XFCN (zgebal, ZGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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195 n, F77_DBLE_CMPLX_ARG (h), n, ilo, ihi, pscale, info
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196 F77_CHAR_ARG_LEN (1)));
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197
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198 Array<Complex> tau (dim_vector (n-1, 1));
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199 Complex *ptau = tau.fortran_vec ();
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200
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201 Array<Complex> work (dim_vector (lwork, 1));
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202 Complex *pwork = work.fortran_vec ();
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203
22402
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204 F77_XFCN (zgehrd, ZGEHRD, (n, ilo, ihi, F77_DBLE_CMPLX_ARG (h), n,
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205 F77_DBLE_CMPLX_ARG (ptau), F77_DBLE_CMPLX_ARG (pwork), lwork, info));
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206
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207 unitary_hess_mat = hess_mat;
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208 Complex *z = unitary_hess_mat.fortran_vec ();
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209
22402
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210 F77_XFCN (zunghr, ZUNGHR, (n, ilo, ihi, F77_DBLE_CMPLX_ARG (z), n,
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211 F77_DBLE_CMPLX_ARG (ptau), F77_DBLE_CMPLX_ARG (pwork),
22329
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212 lwork, info));
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213
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214 F77_XFCN (zgebak, ZGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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215 F77_CONST_CHAR_ARG2 (&side, 1),
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216 n, ilo, ihi, pscale, n, F77_DBLE_CMPLX_ARG (z), n, info
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217 F77_CHAR_ARG_LEN (1)
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218 F77_CHAR_ARG_LEN (1)));
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219
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220 // If someone thinks of a more graceful way of
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221 // doing this (or faster for that matter :-)),
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diff changeset
222 // please let me know!
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223
22329
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224 if (n > 2)
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225 for (F77_INT j = 0; j < a_nc; j++)
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226 for (F77_INT i = j+2; i < a_nr; i++)
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227 hess_mat.elem (i, j) = 0;
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228
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229 return info;
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230 }
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231
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232 template <>
29228
5c14f81e0937 Set API tags in files in liboctave/numeric (patch #8919).
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233 OCTAVE_API octave_idx_type
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234 hess<FloatComplexMatrix>::init (const FloatComplexMatrix& a)
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diff changeset
235 {
23696
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236 F77_INT a_nr = to_f77_int (a.rows ());
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237 F77_INT a_nc = to_f77_int (a.cols ());
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238
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239 if (a_nr != a_nc)
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diff changeset
240 {
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241 (*current_liboctave_error_handler) ("hess: requires square matrix");
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242 return -1;
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243 }
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244
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245 char job = 'N';
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246 char side = 'R';
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247
22946
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248 F77_INT n = a_nc;
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249 F77_INT lwork = 32 * n;
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250 F77_INT info;
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251 F77_INT ilo;
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252 F77_INT ihi;
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253
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254 hess_mat = a;
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255 FloatComplex *h = hess_mat.fortran_vec ();
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256
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257 Array<float> scale (dim_vector (n, 1));
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258 float *pscale = scale.fortran_vec ();
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259
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260 F77_XFCN (cgebal, CGEBAL, (F77_CONST_CHAR_ARG2 (&job, 1),
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261 n, F77_CMPLX_ARG (h), n, ilo, ihi, pscale, info
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262 F77_CHAR_ARG_LEN (1)));
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263
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264 Array<FloatComplex> tau (dim_vector (n-1, 1));
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265 FloatComplex *ptau = tau.fortran_vec ();
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266
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267 Array<FloatComplex> work (dim_vector (lwork, 1));
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268 FloatComplex *pwork = work.fortran_vec ();
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269
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270 F77_XFCN (cgehrd, CGEHRD, (n, ilo, ihi, F77_CMPLX_ARG (h), n,
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271 F77_CMPLX_ARG (ptau), F77_CMPLX_ARG (pwork), lwork, info));
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272
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273 unitary_hess_mat = hess_mat;
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274 FloatComplex *z = unitary_hess_mat.fortran_vec ();
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275
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276 F77_XFCN (cunghr, CUNGHR, (n, ilo, ihi, F77_CMPLX_ARG (z), n,
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277 F77_CMPLX_ARG (ptau), F77_CMPLX_ARG (pwork),
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278 lwork, info));
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279
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280 F77_XFCN (cgebak, CGEBAK, (F77_CONST_CHAR_ARG2 (&job, 1),
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281 F77_CONST_CHAR_ARG2 (&side, 1),
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282 n, ilo, ihi, pscale, n, F77_CMPLX_ARG (z), n, info
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283 F77_CHAR_ARG_LEN (1)
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284 F77_CHAR_ARG_LEN (1)));
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285
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286 // If someone thinks of a more graceful way of
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287 // doing this (or faster for that matter :-)),
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288 // please let me know!
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289
22329
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290 if (n > 2)
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291 for (F77_INT j = 0; j < a_nc; j++)
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292 for (F77_INT i = j+2; i < a_nr; i++)
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293 hess_mat.elem (i, j) = 0;
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294
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295 return info;
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296 }
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297 }
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298 }