EpetraExt_BlockJacobi_LinearProblem.h

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#ifndef EPETRAEXT_BLOCKJACOBI_LINEARPROBLEM_H
#define EPETRAEXT_BLOCKJACOBI_LINEARPROBLEM_H
 
#if defined(EpetraExt_SHOW_DEPRECATED_WARNINGS)
#ifdef __GNUC__
#warning "The EpetraExt package is deprecated"
#endif
#endif
 
#include <EpetraExt_Transform.h>
 
#include <vector>
 
class Epetra_LinearProblem;
class Epetra_VbrMatrix;
class Epetra_SerialDenseSVD;
class Epetra_SerialDenseMatrix;
 
namespace EpetraExt {
 
class LinearProblem_BlockJacobi : public SameTypeTransform<Epetra_LinearProblem> {
 
 public:
 
  ~LinearProblem_BlockJacobi();
 
  LinearProblem_BlockJacobi( int verbose = 0,
                             int thresholding = 0,
                             double rthresh = 0.0,
                             double athresh = 0.0,
                             bool removeDiag = false )
  : NumBlocks_(0),
    NewProblem_(0),
    NewMatrix_(0),
    thresholding_(thresholding),
    rthresh_(rthresh),
    athresh_(athresh),
    removeDiag_(removeDiag),
    verbose_(verbose)
  {}
 
  NewTypeRef operator()( OriginalTypeRef orig );
 
  bool fwd();
  bool rvs();
 
  void RThresh( double val ) { rthresh_ = val; }
 
 private:
 
  int NumBlocks_;
 
  double rthresh_;
  double athresh_;
  const int thresholding_;
 
  const bool removeDiag_;
 
  Epetra_LinearProblem * NewProblem_;
  Epetra_VbrMatrix * NewMatrix_;
 
  std::vector<Epetra_SerialDenseMatrix**> VbrBlocks_;
  std::vector<int> VbrBlockCnt_;
  std::vector<int> VbrBlockDim_;
  std::vector<int*> VbrBlockIndices_;
 
  std::vector<Epetra_SerialDenseSVD*> SVDs_;
  std::vector<Epetra_SerialDenseMatrix*> Inverses_;
  std::vector<Epetra_SerialDenseMatrix*> RHSBlocks_;
 
  const int verbose_;
};
 
} //namespace EpetraExt
 
#endif //EPETRAEXT_BLOCKJACOBI_LINEARPROBLEM_H