Epetra_SerialSpdDenseSolver.h

Go to the documentation of this file.

/*
//@HEADER
// ************************************************************************
//
//               Epetra: Linear Algebra Services Package
//                 Copyright 2011 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// 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 EPETRA_SERIALSPDDENSESOLVER_H
#define EPETRA_SERIALSPDDENSESOLVER_H
#include "Epetra_SerialDenseSolver.h"
class Epetra_SerialSymDenseMatrix;


 
//=========================================================================
class EPETRA_LIB_DLL_EXPORT Epetra_SerialSpdDenseSolver : public Epetra_SerialDenseSolver {
 
 public:


  Epetra_SerialSpdDenseSolver();
 

  virtual ~Epetra_SerialSpdDenseSolver();


 
  //Let the compiler know we intend to overload the SetMatrix function,
  //rather than hide it.
  using Epetra_SerialDenseSolver::SetMatrix;

  int SetMatrix(Epetra_SerialSymDenseMatrix & A_in);




  int Factor(void);


  int Solve(void);


  int Invert(void);


  int ComputeEquilibrateScaling(void);


  int EquilibrateMatrix(void);


  int EquilibrateRHS(void);
 


  int ApplyRefinement(void);


  int UnequilibrateLHS(void);


  int ReciprocalConditionEstimate(double & Value);


 

  bool ShouldEquilibrate() {ComputeEquilibrateScaling(); return(ShouldEquilibrate_);};



  Epetra_SerialSymDenseMatrix * SymMatrix()  const {return(SymMatrix_);};

  Epetra_SerialSymDenseMatrix * SymFactoredMatrix()  const {return(SymFactor_);};


  double SCOND() {return(SCOND_);};
 
  //Let the compiler know we intend to overload the AMAX function,
  //rather than hide it.
  using Epetra_SerialDenseSolver::AMAX;

  double AMAX() {return(AMAX_);};
 
 private:
 
  double SCOND_;
  Epetra_SerialSymDenseMatrix * SymMatrix_; // Need pointer to symmetric matrix for Spd-specific methods
  Epetra_SerialSymDenseMatrix * SymFactor_; // Need pointer to symmetric matrix for Spd-specific methods
 
  // Epetra_SerialSpdDenseSolver copy constructor (put here because we don't want user access)
 
  Epetra_SerialSpdDenseSolver(const Epetra_SerialSpdDenseSolver& Source);
  Epetra_SerialSpdDenseSolver & operator=(const Epetra_SerialSpdDenseSolver& Source);
};
 
#endif /* EPETRA_SERIALSPDDENSESOLVER_H */