Main Page   Namespace List   Class Hierarchy   Alphabetical List   Compound List   File List   Compound Members   File Members  

BiCGStabSmoother.H

Go to the documentation of this file.
00001 /* _______              __
00002   / ___/ /  ___  __ _  / /  ___
00003  / /__/ _ \/ _ \/  ' \/ _ \/ _ \
00004  \___/_//_/\___/_/_/_/_.__/\___/ 
00005 */
00006 //
00007 // This software is copyright (C) by the Lawrence Berkeley
00008 // National Laboratory.  Permission is granted to reproduce
00009 // this software for non-commercial purposes provided that
00010 // this notice is left intact.
00011 // 
00012 // It is acknowledged that the U.S. Government has rights to
00013 // this software under Contract DE-AC03-765F00098 between
00014 // the U.S.  Department of Energy and the University of
00015 // California.
00016 //
00017 // This software is provided as a professional and academic
00018 // contribution for joint exchange. Thus it is experimental,
00019 // is provided ``as is'', with no warranties of any kind
00020 // whatsoever, no support, no promise of updates, or printed
00021 // documentation. By using this software, you acknowledge
00022 // that the Lawrence Berkeley National Laboratory and
00023 // Regents of the University of California shall have no
00024 // liability with respect to the infringement of other
00025 // copyrights by any part of this software.
00026 //
00027 // DFMartin, Sun, May 5, 2002
00028 
00029 #ifndef _BiCGStabSmoother_H_
00030 #define _BiCGStabSmoother_H_
00031 
00032 #include <iostream>
00033 #include <math.h>
00034 #include <assert.h>
00035 #include <stdlib.h>
00036 #include <REAL.H>
00037 #include <IntVect.H>
00038 #include <Box.H>
00039 #include <DisjointBoxLayout.H>
00040 #include <LevelData.H>
00041 #include <FArrayBox.H>
00042 #include <ProblemDomain.H>
00043 #include "BaseBottomSmoother.H"
00044 
00046 
00049 class BiCGStabSmoother : public BaseBottomSmoother
00050 {
00051 
00052 public:
00053 
00055 
00056 
00058   BiCGStabSmoother();
00059 
00061   virtual ~BiCGStabSmoother();
00062 
00064 
00066   virtual BaseBottomSmoother* new_bottomSmoother() const;
00067 
00069 
00071   void setMaxIter(int a_max_iter);
00072 
00074 
00076   void setSolverTol(Real a_solver_tol);
00077   
00079 
00082   void setVerbose(bool a_verbose);
00083 
00084 
00086 
00090   virtual void doBottomSmooth(LevelData<FArrayBox>& a_phi,
00091                               const LevelData<FArrayBox>& a_rhs,
00092                               LevelOp* a_levelop_ptr);
00093 
00094 protected:
00095 
00096   int m_maxIter;
00097 
00098   Real m_solver_tol;
00099   
00100   // small parameter to check for division by zero
00101   Real m_small;
00102 
00103   // default is false
00104   bool m_verbose;
00105   
00106 };
00107 
00108 #endif
00109   
00110   
00111 
00112 

Generated on Thu Aug 29 11:05:44 2002 for Chombo&INS by doxygen1.2.16