Thyra_SpmdVectorBaseDecl.hpp

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// 
//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//                 Copyright (2004) Sandia Corporation
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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#ifndef THYRA_SPMD_VECTOR_BASE_DECL_HPP
#define THYRA_SPMD_VECTOR_BASE_DECL_HPP

#include "Thyra_VectorDefaultBaseDecl.hpp"
#include "Thyra_SpmdVectorSpaceDefaultBaseDecl.hpp"

//#define THYRA_SPMD_VECTOR_BASE_DUMP

namespace Thyra {

template<class Scalar>
class SpmdVectorBase : virtual public VectorDefaultBase<Scalar> {
public:

  using VectorDefaultBase<Scalar>::applyOp;
  using VectorDefaultBase<Scalar>::acquireDetachedView;
  using VectorDefaultBase<Scalar>::releaseDetachedView;
  using VectorDefaultBase<Scalar>::commitDetachedView;

  SpmdVectorBase();


  virtual Teuchos::RefCountPtr<const SpmdVectorSpaceBase<Scalar> > spmdSpace() const = 0;

  virtual void getLocalData( Scalar** localValues, Index* stride ) = 0;

  virtual void commitLocalData( Scalar* localValues ) = 0;



  virtual void getLocalData( const Scalar** localValues, Index* stride ) const;

  virtual void freeLocalData( const Scalar* localValues ) const;

  void applyOp(
    const Teuchos::Comm<Index>      *comm
    ,const RTOpPack::RTOpT<Scalar>  &op
    ,const int                      num_vecs
    ,const VectorBase<Scalar>*const vecs[]
    ,const int                      num_targ_vecs
    ,VectorBase<Scalar>*const        targ_vecs[]
    ,RTOpPack::ReductTarget         *reduct_obj
    ,const Index                    first_ele_offset
    ,const Index                    sub_dim
    ,const Index                    global_offset
    ) const;



  Teuchos::RefCountPtr<const VectorSpaceBase<Scalar> > space() const;
  void applyOp(
    const RTOpPack::RTOpT<Scalar>   &op
    ,const int                      num_vecs
    ,const VectorBase<Scalar>*const vecs[]
    ,const int                      num_targ_vecs
    ,VectorBase<Scalar>*const       targ_vecs[]
    ,RTOpPack::ReductTarget         *reduct_obj
    ,const Index                    first_ele_offset
    ,const Index                    sub_dim
    ,const Index                    global_offset
    ) const;
  void acquireDetachedView( const Range1D& rng, RTOpPack::ConstSubVectorView<Scalar>* sub_vec ) const;
  void releaseDetachedView( RTOpPack::ConstSubVectorView<Scalar>* sub_vec ) const;
  void acquireDetachedView( const Range1D& rng, RTOpPack::SubVectorView<Scalar>* sub_vec );
  void commitDetachedView( RTOpPack::SubVectorView<Scalar>* sub_vec );


protected:

  virtual void updateSpmdSpace();

private:

  // ///////////////////////////////////////
  // Private data members
  
  mutable bool in_applyOp_;

  // Cached (only on vector space!)
  mutable Index  globalDim_;
  mutable Index  localOffset_;
  mutable Index  localSubDim_;

  // /////////////////////////////////////
  // Private member functions

  Range1D validateRange( const Range1D& rng_in ) const;

#ifdef THYRA_SPMD_VECTOR_BASE_DUMP
public:
  static bool show_dump;
#endif // THYRA_SPMD_VECTOR_BASE_DUMP

}; // end class SpmdVectorBase

} // end namespace Thyra

#endif // THYRA_SPMD_VECTOR_BASE_DECL_HPP

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