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NodeBiCGStabSmoother.H

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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 
00028 // NodeBiCGStabSmoother.H
00029 // adapted from BiCGStabSmoother by DFMartin, Sun, May 5, 2002
00030 // petermc, 5 June 2002
00031 
00032 #ifndef NODEBICGSTABSMOOTHER_H
00033 #define NODEBICGSTABSMOOTHER_H
00034 
00035 #include <iostream>
00036 #include <math.h>
00037 #include <assert.h>
00038 #include <stdlib.h>
00039 #include "REAL.H"
00040 #include "IntVect.H"
00041 #include "Box.H"
00042 #include "DisjointBoxLayout.H"
00043 #include "LevelData.H"
00044 #include "NodeFArrayBox.H"
00045 #include "ProblemDomain.H"
00046 #include "NodeBaseBottomSmoother.H"
00047 
00049 
00052 class NodeBiCGStabSmoother : public NodeBaseBottomSmoother
00053 {
00054 
00055 public:
00056 
00061 
00063 
00065   NodeBiCGStabSmoother();
00066 
00068 
00070   virtual ~NodeBiCGStabSmoother();
00071 
00073 
00075   virtual NodeBaseBottomSmoother* new_bottomSmoother() const;
00076 
00083 
00085 
00087   void setMaxIter(int a_max_iter);
00088 
00090 
00092   void setSolverTol(Real a_solverTol);
00093   
00100 
00102 
00107   virtual void doBottomSmooth(
00108                               LevelData<NodeFArrayBox>& a_phi,
00110                               const LevelData<NodeFArrayBox>& a_rhs,
00112                               NodeLevelOp* a_levelop_ptr
00113                               );
00116 protected:
00117 
00120   int m_maxIter;
00121 
00124   Real m_solverTol;
00125   
00128   Real m_small;
00129 
00132   Real m_converge_small;
00133 };
00134 
00135 #endif

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