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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: 1.2 $
00022 // $Date: 2001/02/17 06:32:38 $
00023 // $Source: /usr/local/cvs/OpenSees/SRC/system_of_eqn/linearSOE/profileSPD/ProfileSPDLinDirectSolver.h,v $
00024                                                                         
00025                                                                         
00026 // File: ~/system_of_eqn/linearSOE/profileSPD/ProfileSPDLinDirectSolver.h
00027 //
00028 // Written: fmk 
00029 // Created: Febuary 1997
00030 // Revision: A
00031 //
00032 // Description: This file contains the class definition for 
00033 // ProfileSPDLinDirectSolver. ProfileSPDLinDirectSolver is a subclass 
00034 // of LinearSOESOlver. It solves a ProfileSPDLinSOE object using
00035 // the LDL^t factorization.
00036 
00037 // What: "@(#) ProfileSPDLinDirectSolver.h, revA"
00038 
00039 #ifndef ProfileSPDLinDirectSolver_h
00040 #define ProfileSPDLinDirectSolver_h
00041 
00042 #include <ProfileSPDLinSolver.h>
00043 #include <ProfileSPDLinSOE.h>
00044 
00102 class ProfileSPDLinDirectSolver : public ProfileSPDLinSolver
00103 {
00104   public:
00106     ProfileSPDLinDirectSolver(double tol=1.0e-12);    
00107 
00109     virtual ~ProfileSPDLinDirectSolver();
00110 
00112     virtual int solve(void);        
00114     virtual int setSize(void);    
00116     double getDeterminant(void);
00117 
00118     
00120     virtual int factor(int n);
00122     virtual int setProfileSOE(ProfileSPDLinSOE &theSOE);
00123 
00125     int sendSelf(int commitTag, Channel &theChannel);
00127     int recvSelf(int commitTag, Channel &theChannel, FEM_ObjectBroker &theBroker);
00128     
00129   protected:
00131     double minDiagTol;
00133     int size;
00135     int *RowTop;
00137     double **topRowPtr, *invD;
00138     
00139   private:
00140 
00141 };
00142 
00143 
00144 #endif
00145