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BiCGStabSmoother.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 // DFMartin, Sun, May 5, 2002
00028 
00029 #ifndef _BICGSTABSMOOTHER_H_
00030 #define _BICGSTABSMOOTHER_H_
00031 
00032 #include <iostream>
00033 #include <cmath>
00034 #include <cassert>
00035 #include <cstdlib>
00036 
00037 #include "REAL.H"
00038 #include "IntVect.H"
00039 #include "Box.H"
00040 #include "DisjointBoxLayout.H"
00041 #include "LevelData.H"
00042 #include "FArrayBox.H"
00043 #include "ProblemDomain.H"
00044 
00045 #include "BaseBottomSmoother.H"
00046 
00048 
00052 class BiCGStabSmoother: public BaseBottomSmoother
00053 {
00054 public:
00056   BiCGStabSmoother();
00057 
00059   virtual ~BiCGStabSmoother();
00060 
00062 
00065   virtual BaseBottomSmoother* new_bottomSmoother() const;
00066 
00068   void setMaxIter(int a_maxIter);
00069 
00071 
00074   void setSolverTol(Real a_solverTol);
00075 
00077 
00082   void setEnableRestart(bool a_enableRestart);
00083 
00085 
00088   void setVerbose(bool a_verbose);
00089 
00091 
00096   virtual void doBottomSmooth(LevelData<FArrayBox>&       a_phi,
00097                               const LevelData<FArrayBox>& a_rhs,
00098                               LevelOp*                    a_levelopPtr);
00099 
00101   virtual void setConvergenceMetric(Real a_metric, int a_comp);
00102 
00103 protected:
00107   int m_maxIter;
00108 
00112   Vector<Real> m_convergenceMetrics;
00113 
00118   Real m_solverTol;
00119 
00123   Real m_small;
00124 
00128   Real m_convergeSmall;
00129 
00133   bool m_enableRestart;
00134 
00138   bool m_verbose;
00139 };
00140 
00141 #endif

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