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/*
* Copyright © 2004-2011 Ondra Kamenik
* Copyright © 2019 Dynare Team
*
* This file is part of Dynare.
*
* Dynare is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Dynare is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Dynare. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef GENERAL_SYLVESTER_H
#define GENERAL_SYLVESTER_H
#include "SylvMatrix.hh"
#include "SimilarityDecomp.hh"
#include "SylvesterSolver.hh"
#include <memory>
class GeneralSylvester
{
SylvParams pars;
int order;
const SqSylvMatrix a;
const SylvMatrix b;
const SqSylvMatrix c;
SylvMatrix d;
bool solved;
std::unique_ptr<SchurDecompZero> bdecomp;
std::unique_ptr<SimilarityDecomp> cdecomp;
std::unique_ptr<SylvesterSolver> sylv;
public:
// Construct with my copy of d
GeneralSylvester(int ord, int n, int m, int zero_cols,
const ConstVector &da, const ConstVector &db,
const ConstVector &dc, const ConstVector &dd,
const SylvParams &ps);
GeneralSylvester(int ord, int n, int m, int zero_cols,
const ConstVector &da, const ConstVector &db,
const ConstVector &dc, const ConstVector &dd,
bool alloc_for_check = false);
// Construct with provided storage for d
GeneralSylvester(int ord, int n, int m, int zero_cols,
const ConstVector &da, const ConstVector &db,
const ConstVector &dc, Vector &dd,
bool alloc_for_check = false);
GeneralSylvester(int ord, int n, int m, int zero_cols,
const ConstVector &da, const ConstVector &db,
const ConstVector &dc, Vector &dd,
const SylvParams &ps);
virtual ~GeneralSylvester() = default;
int
getM() const
{
return c.nrows();
}
int
getN() const
{
return a.nrows();
}
const double *
getResult() const
{
return d.base();
}
const SylvParams &
getParams() const
{
return pars;
}
SylvParams &
getParams()
{
return pars;
}
void solve();
void check(const ConstVector &ds);
private:
void init();
};
#endif /* GENERAL_SYLVESTER_H */
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