Ifpack_CrsIlut.cpp

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//       Ifpack: Object-Oriented Algebraic Preconditioner Package
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#include "Ifpack_CrsIlut.h"
#include "Epetra_Comm.h"
#include "Epetra_Map.h"
#include "Epetra_CrsGraph.h"
#include "Epetra_CrsMatrix.h"
#include "Epetra_VbrMatrix.h"
#include "Epetra_RowMatrix.h"
#include "Epetra_Vector.h"
#include "Epetra_MultiVector.h"
 
#include <Teuchos_ParameterList.hpp>
#include <ifp_parameters.h>
 
//==============================================================================
Ifpack_CrsIlut::Ifpack_CrsIlut(const Ifpack_OverlapGraph * OverlapGraph, double DropTol, 
                   double FillTol) 
  : Epetra_Object("Ifpack::CrsIlut"),
    Epetra_CompObject(),
    Ifpack_OverlapFactorObject(OverlapGraph),
    Ifpack_OverlapSolveObject(Epetra_Object::Label(), OverlapGraph->OverlapGraph().Comm()),
    DropTol_(DropTol),
    FillTol_(FillTol)
{
}
//==============================================================================
Ifpack_CrsIlut::Ifpack_CrsIlut(const Epetra_RowMatrix * UserMatrix, double DropTol, 
                   double FillTol) 
  : Epetra_Object("Ifpack::CrsIlut"),
    Epetra_CompObject(),
    Ifpack_OverlapFactorObject(UserMatrix),
    Ifpack_OverlapSolveObject(Epetra_Object::Label(), UserMatrix->Comm()),
    DropTol_(DropTol),
    FillTol_(FillTol)
{
}
//==============================================================================
Ifpack_CrsIlut::Ifpack_CrsIlut(const Ifpack_CrsIlut & Source) 
  : Epetra_Object(Source),
    Epetra_CompObject(Source),
    Ifpack_OverlapFactorObject(Source),
    Ifpack_OverlapSolveObject(Source),
    DropTol_(Source.DropTol_),
    FillTol_(Source.FillTol_)
{
}
 
//==========================================================================
int Ifpack_CrsIlut::SetParameters(const Teuchos::ParameterList& parameterlist,
                  bool cerr_warning_if_unused)
{
  Ifpack::param_struct params;
  params.double_params[Ifpack::fill_tolerance] = FillTol_;
  params.double_params[Ifpack::drop_tolerance] = DropTol_;
 
  Ifpack::set_parameters(parameterlist, params, cerr_warning_if_unused);
 
  FillTol_ = params.double_params[Ifpack::fill_tolerance];
  Droptol_ = params.double_params[Ifpack::drop_tolerance];
 
  return(0);
}
 
//==============================================================================
int Ifpack_CrsIlut::ProcessOverlapMatrix(const Epetra_RowMatrix &A)
{
 
  return(0);
}
//==============================================================================
int Ifpack_CrsIlut::DerivedFactor()
{
 
  return(0);
}