52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
/* $Header: /var/lib/cvs/dynare_cpp/sylv/cc/SimilarityDecomp.h,v 1.1.1.1 2004/06/04 13:00:44 kamenik Exp $ */
|
|
|
|
/* Tag $Name: $ */
|
|
|
|
#ifndef SIMILARITY_DECOMP_H
|
|
#define SIMILARITY_DECOMP_H
|
|
|
|
#include "SylvMatrix.h"
|
|
#include "BlockDiagonal.h"
|
|
#include "SylvParams.h"
|
|
|
|
class SimilarityDecomp
|
|
{
|
|
SqSylvMatrix *q;
|
|
BlockDiagonal *b;
|
|
SqSylvMatrix *invq;
|
|
typedef BlockDiagonal::diag_iter diag_iter;
|
|
public:
|
|
SimilarityDecomp(const double *d, int d_size, double log10norm = 3.0);
|
|
virtual
|
|
~SimilarityDecomp();
|
|
const SqSylvMatrix &
|
|
getQ() const
|
|
{
|
|
return *q;
|
|
}
|
|
const SqSylvMatrix &
|
|
getInvQ() const
|
|
{
|
|
return *invq;
|
|
}
|
|
const BlockDiagonal &
|
|
getB() const
|
|
{
|
|
return *b;
|
|
}
|
|
void check(SylvParams &pars, const GeneralMatrix &m) const;
|
|
void infoToPars(SylvParams &pars) const;
|
|
protected:
|
|
void getXDim(diag_iter start, diag_iter end, int &rows, int &cols) const;
|
|
bool solveX(diag_iter start, diag_iter end, GeneralMatrix &X, double norm) const;
|
|
void updateTransform(diag_iter start, diag_iter end, GeneralMatrix &X);
|
|
void bringGuiltyBlock(diag_iter start, diag_iter &end);
|
|
void diagonalize(double norm);
|
|
};
|
|
|
|
#endif /* SIMILARITY_DECOMP_H */
|
|
|
|
// Local Variables:
|
|
// mode:C++
|
|
// End:
|