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/* $Header: /var/lib/cvs/dynare_cpp/sylv/cc/KronUtils.h,v 1.1.1.1 2004/06/04 13:00:31 kamenik Exp $ */
/* Tag $Name: $ */
#ifndef KRON_UTILS_H
#define KRON_UTILS_H
#include "KronVector.h"
#include "QuasiTriangular.h"
class KronUtils {
public:
/* multiplies I_m\otimes..\I_m\otimes T\otimes I_m...I_m\otimes I_n
with given b and returns x. T must be (m,m), number of
\otimes is b.getDepth(), level is a number of I_m's between T
and I_n plus 1. If level=0, then we multiply
\I_m\otimes ..\otimes I_m\otimes T, T is (n,n) */
static void multAtLevel(int level, const QuasiTriangular& t,
KronVector& x);
static void multAtLevelTrans(int level, const QuasiTriangular& t,
KronVector& x);
/* multiplies x=(F'\otimes F'\otimes..\otimes K)x */
static void multKron(const QuasiTriangular& f, const QuasiTriangular& k,
KronVector& x);
};
#endif /* KRON_UTILS_H */
// Local Variables:
// mode:C++
// End:
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