42 lines
1.1 KiB
C++
42 lines
1.1 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 $ */
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/* Tag $Name: $ */
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#ifndef SIMILARITY_DECOMP_H
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#define SIMILARITY_DECOMP_H
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#include "SylvMatrix.h"
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#include "BlockDiagonal.h"
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#include "SylvParams.h"
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class SimilarityDecomp {
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SqSylvMatrix* q;
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BlockDiagonal* b;
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SqSylvMatrix* invq;
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typedef BlockDiagonal::diag_iter diag_iter;
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public:
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SimilarityDecomp(const double* d, int d_size, double log10norm = 3.0);
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virtual ~SimilarityDecomp();
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const SqSylvMatrix& getQ() const
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{return *q;}
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const SqSylvMatrix& getInvQ() const
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{return *invq;}
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const BlockDiagonal& getB() const
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{return *b;}
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void check(SylvParams& pars, const GeneralMatrix& m) const;
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void infoToPars(SylvParams& pars) const;
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protected:
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void getXDim(diag_iter start, diag_iter end, int& rows, int& cols) const;
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bool solveX(diag_iter start, diag_iter end, GeneralMatrix& X, double norm) const;
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void updateTransform(diag_iter start, diag_iter end, GeneralMatrix& X);
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void bringGuiltyBlock(diag_iter start, diag_iter& end);
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void diagonalize(double norm);
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};
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#endif /* SIMILARITY_DECOMP_H */
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// Local Variables:
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// mode:C++
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// End:
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