eigenval.h

OpenFVM-v1.1 open source cfd code

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/*                                eigenval.h                                */
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/*                                                                          */
/* estimation of extremal EIGENVALues                                       */
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/* Copyright (C) 1992-1996 Tomas Skalicky. All rights reserved.             */
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/*        ANY USE OF THIS CODE CONSTITUTES ACCEPTANCE OF THE TERMS          */
/*              OF THE COPYRIGHT NOTICE (SEE FILE COPYRGHT.H)               */
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#ifndef EIGENVAL_H
#define EIGENVAL_H

#include "vector.h"
#include "qmatrix.h"
#include "precond.h"
#include "copyrght.h"

/* estimation of extremal eigenvalues */

void SetEigenvalAccuracy(double Eps);
double GetMinEigenval(QMatrix *Q, PrecondProcType PrecondProc, double OmegaPrecond);
double GetMaxEigenval(QMatrix *Q, PrecondProcType PrecondProc, double OmegaPrecond);

#endif /* EIGENVAL_H */