Ifpack_OverlapFactorObject.h

/*@HEADER
// ***********************************************************************
//
//       Ifpack: Object-Oriented Algebraic Preconditioner Package
//                 Copyright (2002) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
//@HEADER
*/
 
#ifndef IFPACK_OVERLAPFACTOROBJECT_H
#define IFPACK_OVERLAPFACTOROBJECT_H

 
class Ifpack_OverlapFactorObject {
 
 public:

  Ifpack_OverlapFactorObject(const Ifpack_OverlapGraph * OverlapGraph);


  Ifpack_OverlapFactorObject(const Epetra_RowMatrix * UserMatrix);
  
  Ifpack_OverlapFactorObject(const Ifpack_OverlapFactorObject & Source);

  virtual ~Ifpack_OverlapFactorObject();



  virtual int InitValues(const Epetra_RowMatrix * UserMatrix);


  virtual int Factor();

 

  bool Allocated() const {return(Allocated_);};

  bool ValuesInitialized() const {return(ValuesInitialized_);};

  bool Factored() const {return(Factored_);};
 
 protected:


  virtual int ProcessOverlapMatrix(const Epetra_RowMatrix &A)=0;


  virtual int DerivedFactor()=0;
 
  void SetAllocated(bool Flag) {Allocated_ = Flag;};
  void SetFactored(bool Flag) {Factored_ = Flag;};
  void SetValuesInitialized(bool Flag) {ValuesInitialized_ = Flag;};
 
  bool Factored_;
  bool Allocated_;
  bool ValuesInitialized_;
  Ifpack_OverlapGraph * OverlapGraph_;
  Epetra_RowMatrix * UserMatrix_;
};
#endif // IFPACK_OVERLAPFACTOROBJECT_H