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annotate liboctave/numeric/gepbalance.h @ 31249:de6fc38c78c6

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Make Jacobian types offered by dlsode.f accessible by lsode (bug #31626). * liboctave/numeric/LSODE-opts.in: Add options "jacobian type", "lower jacobian subdiagonals", and "upper jacobian subdiagonals". * liboctave/numeric/LSODE.cc (file scope, lsode_j, LSODE::do_integrate (double)): Handle new configurable Jacobian types. * build-aux/mk-opts.pl: Don't implicitly convert to integer in condition.
author Olaf Till <olaf.till@uni-jena.de>
date Fri, 12 Nov 2010 08:53:05 +0100
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children e88a07dec498
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1994-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if ! defined (octave_gepbalance_h)
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27 #define octave_gepbalance_h 1
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28
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29 #include "octave-config.h"
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30
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31 #include <string>
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32
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33 namespace octave
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34 {
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35 namespace math
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36 {
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37 template <typename T>
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38 class
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39 gepbalance
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40 {
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41 public:
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42
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43 typedef typename T::real_matrix_type RT;
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44
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45 gepbalance (void)
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46 : m_balanced_mat (), m_balanced_mat2 (), m_balancing_mat (),
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47 m_balancing_mat2 ()
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48 { }
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49
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50 gepbalance (const T& a, const T& b, const std::string& job)
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51 : m_balanced_mat (), m_balanced_mat2 (), m_balancing_mat (),
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52 m_balancing_mat2 ()
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53 {
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54 init (a, b, job);
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55 }
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56
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57 gepbalance (const gepbalance& a)
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58 : m_balanced_mat (a.m_balanced_mat),
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59 m_balanced_mat2 (a.m_balanced_mat2),
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60 m_balancing_mat (a.m_balancing_mat),
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61 m_balancing_mat2 (a.m_balancing_mat2)
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62 { }
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63
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64 gepbalance& operator = (const gepbalance& a)
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65 {
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66 if (this != &a)
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67 {
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68 m_balanced_mat = a.m_balanced_mat;
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69 m_balanced_mat2 = a.m_balanced_mat2;
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70 m_balancing_mat = a.m_balancing_mat;
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71 m_balancing_mat2 = a.m_balancing_mat2;
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72 }
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73
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74 return *this;
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75 }
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76
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77 ~gepbalance (void) = default;
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78
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79 T balanced_matrix (void) const { return m_balanced_mat; }
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81 T balanced_matrix2 (void) const { return m_balanced_mat2; }
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82
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83 RT balancing_matrix (void) const { return m_balancing_mat; }
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84
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85 RT balancing_matrix2 (void) const { return m_balancing_mat2; }
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86
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87 private:
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88
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89 T m_balanced_mat;
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90 T m_balanced_mat2;
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91 RT m_balancing_mat;
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92 RT m_balancing_mat2;
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93
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94 OCTAVE_API octave_idx_type
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95 init (const T& a, const T& b, const std::string& job);
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96 };
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97 }
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98 }
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99
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100 #endif