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BandSPDLinSOE.h

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00001 /* ****************************************************************** **
00002 **    OpenSees - Open System for Earthquake Engineering Simulation    **
00003 **          Pacific Earthquake Engineering Research Center            **
00004 **                                                                    **
00005 **                                                                    **
00006 ** (C) Copyright 1999, The Regents of the University of California    **
00007 ** All Rights Reserved.                                               **
00008 **                                                                    **
00009 ** Commercial use of this program without express permission of the   **
00010 ** University of California, Berkeley, is strictly prohibited.  See   **
00011 ** file 'COPYRIGHT'  in main directory for information on usage and   **
00012 ** redistribution,  and for a DISCLAIMER OF ALL WARRANTIES.           **
00013 **                                                                    **
00014 ** Developed by:                                                      **
00015 **   Frank McKenna (fmckenna@ce.berkeley.edu)                         **
00016 **   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **
00017 **   Filip C. Filippou (filippou@ce.berkeley.edu)                     **
00018 **                                                                    **
00019 ** ****************************************************************** */
00020                                                                         
00021 // $Revision: 1.3 $
00022 // $Date: 2005/12/06 22:03:48 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/system_of_eqn/linearSOE/bandSPD/BandSPDLinSOE.h,v $
00024                                                                         
00025                                                                         
00026 #ifndef BandSPDLinSOE_h
00027 #define BandSPDLinSOE_h
00028 
00029 // File: ~/system_of_eqn/linearSOE/bandSPD/BandSPDLinSOE.h
00030 //
00031 // Written: fmk 
00032 // Created: Febuary 1997
00033 // Revision: A
00034 //
00035 // Description: This file contains the class definition for BandSPDLinSOE
00036 // BandSPDLinSOE is a subclass of LinearSOE. It uses the LAPACK Upper storage
00037 // scheme to store the components of the A matrix.
00038 //
00039 // What: "@(#) BandSPDLinSOE.h, revA"
00040 
00041 
00042 
00043 #include <LinearSOE.h>
00044 #include <Vector.h>
00045 
00046 class BandSPDLinSolver;
00047 
00048 
00049 
00050 class BandSPDLinSOE : public LinearSOE
00051 {
00052   public:
00053     BandSPDLinSOE(BandSPDLinSolver &theSolver);    
00054     BandSPDLinSOE(BandSPDLinSolver &theSolver, int classTag);    
00055     BandSPDLinSOE(int N, int bandwidth, BandSPDLinSolver &theSolver);        
00056 
00057     virtual ~BandSPDLinSOE();
00058 
00059     virtual int getNumEqn(void) const;
00060     virtual int setSize(Graph &theGraph);
00061 
00062     virtual int addA(const Matrix &, const ID &, double fact = 1.0);
00063     virtual int addB(const Vector &, const ID &, double fact = 1.0);    
00064     virtual int setB(const Vector &, double fact = 1.0);        
00065     
00066     virtual void zeroA(void);
00067     virtual void zeroB(void);
00068     
00069     virtual const Vector &getX(void);
00070     virtual const Vector &getB(void);    
00071     virtual double normRHS(void);
00072 
00073     virtual void setX(int loc, double value);    
00074     virtual void setX(const Vector &x);    
00075     virtual int setBandSPDSolver(BandSPDLinSolver &newSolver);    
00076 
00077     virtual int sendSelf(int commitTag, Channel &theChannel);
00078     virtual int recvSelf(int commitTag, Channel &theChannel, FEM_ObjectBroker &theBroker);
00079     
00080     friend class BandSPDLinSolver;
00081     friend class BandSPDLinLapackSolver;    
00082     friend class BandSPDLinThreadSolver;        
00083     
00084   protected:
00085     int size, half_band;    
00086     double *A, *B, *X;
00087     Vector *vectX;
00088     Vector *vectB;    
00089     int Asize, Bsize;
00090     int aFactored;
00091     bool factored;
00092     
00093   private:
00094 };
00095 
00096 
00097 #endif
00098

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