BandArpackSOE.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/>.
//----------------------------------------------------------------------------
// File: ~/system_of_eqn/eigenSOE/BandArpackSOE.h
//
// Written: Jun Peng 
// Created: February 1999
// Revision: A
//



#ifndef BandArpackSOE_h
#define BandArpackSOE_h

#include <solution/system_of_eqn/eigenSOE/ArpackSOEBase.h>
#include "utility/matrix/Vector.h"

namespace XC {

class BandArpackSolver;

//
class BandArpackSOE: public ArpackSOEBase
  {
  private:
    int numSuperD; 
    int numSubD; 
    Vector A;
  protected:
    bool setSolver(EigenSolver *);

    friend class SolutionStrategy;
    friend class FEM_ObjectBroker;
    BandArpackSOE(SolutionStrategy *, double shift = 0.0);
    SystemOfEqn *getCopy(void) const;
  public:
    virtual int setSize(Graph &theGraph);
    
    virtual int addA(const Matrix &, const ID &, double fact = 1.0);
    virtual int addM(const Matrix &, const ID &, double fact = 1.0);
   
    virtual void zeroA(void);
    
    int sendSelf(Communicator &);
    int recvSelf(const Communicator &);
    
    virtual void save(void) const;
    virtual void restore(void);

    friend class BandArpackSolver;
  };
inline SystemOfEqn *BandArpackSOE::getCopy(void) const
  { return new BandArpackSOE(*this); }
} // end of XC namespace


#endif