ConvergenceTest.h

// -*-c++-*-
//----------------------------------------------------------------------------
//  XC program; finite element analysis code
//  for structural analysis and design.
//
//  Copyright (C)  Luis C. Pérez Tato
//
//  This program derives from OpenSees <http://opensees.berkeley.edu>
//  developed by the  «Pacific earthquake engineering research center».
//
//  Except for the restrictions that may arise from the copyright
//  of the original program (see copyright_opensees.txt)
//  XC is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or 
//  (at your option) any later version.
//
//  This software 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.  See the
//  GNU General Public License for more details. 
//
//
// You should have received a copy of the GNU General Public License 
// along with this program.
// If not, see <http://www.gnu.org/licenses/>.
//----------------------------------------------------------------------------
/* ****************************************************************** **
**    OpenSees - Open System for Earthquake Engineering Simulation    **
**          Pacific Earthquake Engineering Research Center            **
**                                                                    **
**                                                                    **
** (C) Copyright 1999, The Regents of the University of California    **
** All Rights Reserved.                                               **
**                                                                    **
** Commercial use of this program without express permission of the   **
** University of California, Berkeley, is strictly prohibited.  See   **
** file 'COPYRIGHT'  in main directory for information on usage and   **
** redistribution,  and for a DISCLAIMER OF ALL WARRANTIES.           **
**                                                                    **
** Developed by:                                                      **
**   Frank McKenna (fmckenna@ce.berkeley.edu)                         **
**   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **
**   Filip C. Filippou (filippou@ce.berkeley.edu)                     **
**                                                                    **
** ****************************************************************** */
                                                                        
// $Revision: 1.4 $
// $Date: 2005/12/15 00:19:28 $
// $Source: /usr/local/cvs/OpenSees/SRC/analysis/convergenceTest/ConvergenceTest.h,v $
                                                                        
                                                                        
#ifndef ConvergenceTest_h
#define ConvergenceTest_h

// Written: fmk 
// Date: 09/98
// Revised:
//
// Purpose: This file contains the class definition for ConvergenceTest,
// which is an abstract class. Objects of concrete subclasses can be used 
// to test the convergence of an algorithm. 

#include <utility/actor/actor/MovableObject.h>
#include "utility/kernel/CommandEntity.h"
#include "utility/matrix/Vector.h"
#include "solution/system_of_eqn/linearSOE/LinearSOE.h"

namespace XC {
class EquiSolnAlgo;
class SolutionStrategy;

//
class ConvergenceTest: public MovableObject, public CommandEntity
  {
    SolutionStrategy *getSolutionStrategy(void);
    const SolutionStrategy *getSolutionStrategy(void) const;
  protected:
    int currentIter; 
    int maxNumIter;  
    int printFlag; 
    int nType; 
    Vector norms; 

    //Intermediate results:
    mutable double lastRatio; 
    mutable double calculatedNormX; 
    mutable double calculatedNormB; 
    mutable double calculatedEnergyProduct; 

    bool hasLinearSOE(void) const;
    LinearSOE *getLinearSOEPtr(void);
    const LinearSOE *getLinearSOEPtr(void) const;
    const Vector &getX(void) const;
    double getNormX(void) const;
    const Vector &getB(void) const;
    double getNormB(void) const;
    double getEnergyProduct(void) const;

  protected:
    int sendData(Communicator &);
    int recvData(const Communicator &);

  public:
    ConvergenceTest(CommandEntity *owr,int classTag);   
    ConvergenceTest(CommandEntity *owr,int clasTag,int maxIter,int prtFlg, int normType,int sz_norms= 1);
    inline virtual ~ConvergenceTest(void) {}

    virtual ConvergenceTest *getCopy(void) const= 0;
    virtual ConvergenceTest *getCopy(int iterations) const;

    virtual std::string getStatusMsg(const int &flag= 1) const= 0;
    virtual int start(void);
    virtual int test(void)= 0;

    int getMaxNumIter(void) const;
    void setMaxNumIter(const int &);
    int getCurrentIter(void) const;
    void setCurrentIter(const int &);
    int getPrintFlag(void) const;
    void setPrintFlag(const int &);
    int getNormType(void) const;
    void setNormType(const int &);
        
    virtual int getNumTests(void) const;
    virtual int getMaxNumTests(void) const;        
    virtual double getRatioNumToMax(void) const;            
    virtual const Vector &getNorms(void) const;
    int sendSelf(Communicator &);
    int recvSelf(const Communicator &);

    std::string getTestIterationMessage(void) const;
    std::string getFailedToConvergeMessage(void) const;
    std::string getDeltaXRMessage(void) const;
    std::string getDeltaXRNormsMessage(void) const;
  };
} // end of XC namespace


#endif