PetscSolverGlobalBlockMatrix.h 1.85 KB
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// ============================================================================
// ==                                                                        ==
// == AMDiS - Adaptive multidimensional simulations                          ==
// ==                                                                        ==
// ==  http://www.amdis-fem.org                                              ==
// ==                                                                        ==
// ============================================================================
//
// Software License for AMDiS
//
// Copyright (c) 2010 Dresden University of Technology 
// All rights reserved.
// Authors: Simon Vey, Thomas Witkowski et al.
//
// This file is part of AMDiS
//
// See also license.opensource.txt in the distribution.



/** \file PetscSolverGlobalBlockMatrix.h */

#ifndef AMDIS_PETSC_SOLVER_GLOBAL_BLOCK_MATRIX_H
#define AMDIS_PETSC_SOLVER_GLOBAL_BLOCK_MATRIX_H

#include "AMDiS_fwd.h"
#include "parallel/PetscSolver.h"

namespace AMDiS {

  using namespace std;


  class PetscSolverGlobalBlockMatrix : public PetscSolver
  {
  public:
    PetscSolverGlobalBlockMatrix()
      : PetscSolver(),
	nComponents(0)
    {}

    void fillPetscMatrix(Matrix<DOFMatrix*> *mat);

    void fillPetscRhs(SystemVector *vec);

    void solvePetscMatrix(SystemVector &vec, AdaptInfo *adaptInfo);    

    void destroyMatrixData();

  protected:
    /// Takes a DOF matrix and sends the values to the global PETSc matrix.
    void setDofMatrix(Mat& petscMat, DOFMatrix* mat);

    /// Takes a DOF vector and sends its values to a given PETSc vector.
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    void setDofVector(Vec& petscVec, DOFVector<double>* vec);

    
    virtual void setBlockPreconditioner(PC &pc)
    {
      PCSetFromOptions(pc);    
    }
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  protected:
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    vector<Mat> nestMat;

    vector<Vec> nestVec;
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    int nComponents;
  };


}

#endif