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/* $Header: /var/lib/cvs/dynare_cpp/sylv/cc/QuasiTriangularZero.h,v 1.1.1.1 2004/06/04 13:00:44 kamenik Exp $ */
/* Tag $Name: $ */
#ifndef QUASI_TRIANGULAR_ZERO_H
#define QUASI_TRIANGULAR_ZERO_H
#include "QuasiTriangular.h"
#include "GeneralMatrix.h"
class QuasiTriangularZero : public QuasiTriangular {
int nz; // number of zero columns
GeneralMatrix ru; // data in right upper part (nz,d_size)
public:
QuasiTriangularZero(int num_zeros, const double* d, int d_size);
QuasiTriangularZero(double r, const QuasiTriangularZero& t);
QuasiTriangularZero(double r, const QuasiTriangularZero& t,
double rr, const QuasiTriangularZero& tt);
QuasiTriangularZero(int p, const QuasiTriangularZero& t);
QuasiTriangularZero(const QuasiTriangular& t);
QuasiTriangularZero(const SchurDecompZero& decomp);
~QuasiTriangularZero();
void solvePre(Vector& x, double& eig_min);
void solvePreTrans(Vector& x, double& eig_min);
void multVec(Vector& x, const ConstVector& b) const;
void multVecTrans(Vector& x, const ConstVector& b) const;
void multaVec(Vector& x, const ConstVector& b) const;
void multaVecTrans(Vector& x, const ConstVector& b) const;
void multKron(KronVector& x) const;
void multKronTrans(KronVector& x) const;
void multLeftOther(GeneralMatrix& a) const;
/* clone */
virtual QuasiTriangular* clone() const
{return new QuasiTriangularZero(*this);}
virtual QuasiTriangular* clone(int p, const QuasiTriangular& t) const
{return new QuasiTriangularZero(p, (const QuasiTriangularZero&)t);}
virtual QuasiTriangular* clone(double r) const
{return new QuasiTriangularZero(r, *this);}
virtual QuasiTriangular* clone(double r, double rr, const QuasiTriangular& tt) const
{return new QuasiTriangularZero(r, *this, rr, (const QuasiTriangularZero&)tt);}
void print() const;
};
#endif /* QUASI_TRIANGULAR_ZERO_H */
// Local Variables:
// mode:C++
// End:
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