src/eigsolv/ModalAnalysisSolver.h

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//**************************************************************************
//
//                                 NOTICE
//
// This software is a result of the research described in the report
//
// " A comparison of algorithms for modal analysis in the absence 
//   of a sparse direct method", P. Arbenz, R. Lehoucq, and U. Hetmaniuk,
//  Sandia National Laboratories, Technical report SAND2003-1028J.
//
// It is based on the Epetra, AztecOO, and ML packages defined in the Trilinos
// framework ( http://software.sandia.gov/trilinos/ ).
//
// The distribution of this software follows also the rules defined in Trilinos.
// This notice shall be marked on any reproduction of this software, in whole or
// in part.
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//
// Code Authors: U. Hetmaniuk (ulhetma@sandia.gov), R. Lehoucq (rblehou@sandia.gov)
//
//**************************************************************************

#ifndef MODAL_ANALYSIS_SOLVER_H
#define MODAL_ANALYSIS_SOLVER_H

class ModalAnalysisSolver {

public:

    virtual ~ModalAnalysisSolver()                { }

    virtual int solve(int numEigen, Epetra_MultiVector &Q, double *lambda) = 0;

    virtual int minimumSpaceDimension(int nev) const  = 0;

    virtual void initializeCounters() { }

    virtual void algorithmInfo() const = 0;
    virtual void historyInfo() const { }
    virtual void memoryInfo() const { }
    virtual void operationInfo() const  { }
    virtual void timeInfo() const    { }

};


#endif

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