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/* $Header: /var/lib/cvs/dynare_cpp/sylv/cc/SchurDecomp.h,v 1.1.1.1 2004/06/04 13:00:44 kamenik Exp $ */
/* Tag $Name: $ */
#ifndef SCHUR_DECOMP_H
#define SCHUR_DECOMP_H
#include "SylvMatrix.h"
#include "QuasiTriangular.h"
class QuasiTriangular;
class SchurDecomp {
bool q_destroy;
SqSylvMatrix* q;
bool t_destroy;
QuasiTriangular* t;
public:
SchurDecomp(const SqSylvMatrix& m);
SchurDecomp(const QuasiTriangular& tr);
SchurDecomp(QuasiTriangular& tr);
const SqSylvMatrix& getQ() const {return *q;}
const QuasiTriangular& getT() const {return *t;}
SqSylvMatrix& getQ() {return *q;}
QuasiTriangular& getT() {return *t;}
virtual int getDim() const;
virtual ~SchurDecomp();
};
class SchurDecompZero : public SchurDecomp {
GeneralMatrix ru; /* right upper matrix */
public:
SchurDecompZero(const GeneralMatrix& m);
const GeneralMatrix& getRU() const {return ru;}
int getDim() const;
int getZeroCols() const {return ru.numRows();}
};
#endif /* SCHUR_DECOMP_H */
// Local Variables:
// mode:C++
// End:
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