PetscVector.hpp

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/*
 * ------------------------------------------------------------------------------------------------------------
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 * Copyright (c) 2018-2020 Lawrence Livermore National Security LLC
 * Copyright (c) 2018-2020 The Board of Trustees of the Leland Stanford Junior University
 * Copyright (c) 2018-2020 Total, S.A
 * Copyright (c) 2019-     GEOSX Contributors
 * All rights reserved
 *
 * See top level LICENSE, COPYRIGHT, CONTRIBUTORS, NOTICE, and ACKNOWLEDGEMENTS files for details.
 * ------------------------------------------------------------------------------------------------------------
 */

#ifndef GEOSX_LINEARALGEBRA_INTERFACES_PETSCVECTOR_HPP_
#define GEOSX_LINEARALGEBRA_INTERFACES_PETSCVECTOR_HPP_

#include "linearAlgebra/interfaces/VectorBase.hpp"


extern "C" struct _p_Vec;


namespace geosx
{

class PetscVector final : private VectorBase< PetscVector >
{
public:

  using Vec = struct _p_Vec *;


  PetscVector();

  PetscVector( PetscVector const & src );

  PetscVector( PetscVector && src ) noexcept;

  PetscVector & operator=( PetscVector const & src );

  PetscVector & operator=( PetscVector && src ) noexcept;

  ~PetscVector();



  using VectorBase::closed;
  using VectorBase::ready;
  using VectorBase::extract;

  virtual bool created() const override;

  virtual void createWithLocalSize( localIndex const localSize,
                                    MPI_Comm const & comm ) override;

  virtual void createWithGlobalSize( globalIndex const globalSize,
                                     MPI_Comm const & comm ) override;

  virtual void create( arrayView1d< real64 const > const & localValues,
                       MPI_Comm const & comm ) override;

  virtual void open() override;

  virtual void close() override;

  virtual void reset() override;

  virtual void set( globalIndex const globalRow,
                    real64 const value ) override;

  virtual void add( globalIndex const globalRow,
                    real64 const value ) override;

  virtual void set( globalIndex const * globalIndices,
                    real64 const * values,
                    localIndex size ) override;

  virtual void add( globalIndex const * globalIndices,
                    real64 const * values,
                    localIndex size ) override;

  virtual void set( arraySlice1d< globalIndex const > const & globalIndices,
                    arraySlice1d< real64 const > const & values ) override;

  virtual void add( arraySlice1d< globalIndex const > const & globalIndices,
                    arraySlice1d< real64 const > const & values ) override;

  virtual void set( real64 const value ) override;

  virtual void zero() override;

  virtual void rand( unsigned const seed = 1984 ) override;

  virtual void scale( real64 const scalingFactor ) override;

  virtual void reciprocal() override;

  virtual real64 dot( PetscVector const & vec ) const override;

  virtual void copy( PetscVector const & x ) override;

  virtual void axpy( real64 const alpha,
                     PetscVector const & x ) override;

  virtual void axpby( real64 const alpha,
                      PetscVector const & x,
                      real64 const beta ) override;

  virtual void pointwiseProduct( PetscVector const & x,
                                 PetscVector & y ) const override;

  virtual real64 norm1() const override;

  virtual real64 norm2() const override;

  virtual real64 normInf() const override;

  virtual globalIndex globalSize() const override;

  virtual localIndex localSize() const override;

  virtual globalIndex ilower() const override;

  virtual globalIndex iupper() const override;

  virtual real64 get( globalIndex const globalRow ) const override;

  void get( arraySlice1d< globalIndex const > const & globalIndices,
            arraySlice1d< real64 > const & values ) const override;

  virtual void print( std::ostream & os = std::cout ) const override;

  virtual void write( string const & filename,
                      LAIOutputFormat const format = LAIOutputFormat::MATRIX_MARKET ) const override;

  virtual localIndex getLocalRowID( globalIndex const globalRow ) const override;

  virtual globalIndex getGlobalRowID( localIndex const localRow ) const override;

  virtual real64 const * extractLocalVector() const override;

  virtual real64 * extractLocalVector() override;

  virtual MPI_Comm getComm() const override;


  const Vec & unwrapped() const;

  Vec & unwrapped();

protected:

  Vec m_vec;
};

} // end geosx namespace

#endif /*GEOSX_LINEARALGEBRA_INTERFACES_PETSCVECTOR_HPP_*/