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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: 1.1.1.1 $
00022 // $Date: 2000/09/15 08:23:29 $
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 #include <BandSPDLinSolver.h>
00047 
00048 
00049 
00229 class BandSPDLinSOE : public LinearSOE
00230 {
00231   public:
00233     BandSPDLinSOE(BandSPDLinSolver &theSolver);    
00234 
00236     BandSPDLinSOE(int N, int bandwidth, BandSPDLinSolver &theSolver);        
00237 
00239     ~BandSPDLinSOE();
00240 
00242     int getNumEqn(void) const;
00244     int setSize(Graph &theGraph);
00245 
00247     int addA(const Matrix &, const ID &, double fact = 1.0);
00249     int addB(const Vector &, const ID &, double fact = 1.0);    
00251     int setB(const Vector &, double fact = 1.0);        
00252     
00254     void zeroA(void);
00256     void zeroB(void);
00257     
00259     const Vector &getX(void);
00261     const Vector &getB(void);    
00263     double normRHS(void);
00264 
00266     void setX(int loc, double value);    
00268     int setBandSPDSolver(BandSPDLinSolver &newSolver);    
00269 
00271     int sendSelf(int commitTag, Channel &theChannel);
00273     int recvSelf(int commitTag, Channel &theChannel, FEM_ObjectBroker &theBroker);
00274     
00276     friend #include <BandSPDLinSolver.h>
00277     friend #include <BandSPDLinLapackSolver.h>    
00278     friend #include <BandSPDLinThreadSolver.h>        
00279     
00280   protected:
00281     
00282   private:
00283     int size, half_band;    
00285     double *A, *B, *X;
00287     Vector *vectX;
00289     Vector *vectB;    
00291     int Asize, Bsize;
00293     int aFactored;
00295     bool factored;
00296 };
00297 
00298 
00299 #endif
00300