PlayaVectorType.hpp
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00003 // 
00004 //                 Playa: Programmable Linear Algebra
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00039 
00040 /* @HEADER@ */
00041 
00042 #ifndef PLAYA_VECTORTYPE_HPP
00043 #define PLAYA_VECTORTYPE_HPP
00044 
00045 #include "PlayaHandle.hpp"
00046 #include "PlayaVectorTypeBase.hpp"
00047 #include "PlayaVectorSpaceDecl.hpp"
00048 
00049 namespace Playa
00050 {
00051 using namespace Teuchos;
00052 
00053 /**
00054  * \brief Vector type objects are used by the application code to create
00055  * vector spaces and operators of a given type.
00056  */
00057 template <class Scalar>
00058 class VectorType : public Playa::Handle<VectorTypeBase<Scalar> >
00059 {
00060 public:
00061   HANDLE_CTORS(VectorType<Scalar>, VectorTypeBase<Scalar>);
00062    
00063 
00064   /** \brief Create a vector space having nLocal elements on each 
00065       processor of the specified communicator. */
00066   VectorSpace<Scalar> createEvenlyPartitionedSpace(const MPIComm& comm,
00067     int nLocal) const ;
00068 
00069   /** \brief Create a distributed vector space with an arbitrary
00070    * user-specified distribution of elements.
00071    * @param dimension the dimension of the space
00072    * @param nLocal number of indices owned by the local processor
00073    * @param locallyOwnedIndices array of indices owned by this processor  
00074    * @param comm the MPI communicator over which the space is to be distributed.
00075    */
00076   VectorSpace<Scalar> createSpace(int dimension, 
00077     int nLocal,
00078     const int* locallyOwnedIndices,
00079     const MPIComm& comm) const ;
00080 
00081 
00082 
00083   /** 
00084    * \brief Create an importer for ghost (off-processor) elements.
00085    **/
00086   RCP<GhostImporter<Scalar> > 
00087   createGhostImporter(const VectorSpace<Scalar>& space,
00088     int nGhost,
00089     const int* ghostIndices) const ;
00090 
00091   /**
00092    * \brief Create a matrix factory of type compatible with this vector type,
00093    * sized according to the given domain and range spaces.
00094    */
00095   virtual RCP<MatrixFactory<Scalar> >
00096   createMatrixFactory(const VectorSpace<Scalar>& domain,
00097     const VectorSpace<Scalar>& range) const ;
00098                                                       
00099 };
00100 
00101 
00102 
00103 
00104 template <class Scalar> inline 
00105 VectorSpace<Scalar> VectorType<Scalar>::createSpace(int dimension,
00106   int nLocal,
00107   const int* locallyOwnedIndices, const MPIComm& comm) const
00108 {
00109   return this->ptr()->createSpace(dimension, nLocal, locallyOwnedIndices, comm);
00110 }
00111 
00112 template <class Scalar> inline 
00113 VectorSpace<Scalar> VectorType<Scalar>
00114 ::createEvenlyPartitionedSpace(const MPIComm& comm,
00115   int nLocal) const
00116 {
00117   return this->ptr()->createEvenlyPartitionedSpace(comm, nLocal);
00118 }
00119 
00120 
00121 template <class Scalar> inline 
00122 RCP<GhostImporter<Scalar> > 
00123 VectorType<Scalar>::createGhostImporter(const VectorSpace<Scalar>& space,
00124   int nGhost,
00125   const int* ghostIndices) const
00126 {
00127   return this->ptr()->createGhostImporter(space, nGhost, ghostIndices);
00128 }
00129 
00130 template <class Scalar> inline
00131 RCP<MatrixFactory<Scalar> >
00132 VectorType<Scalar>::createMatrixFactory(const VectorSpace<Scalar>& domain,
00133   const VectorSpace<Scalar>& range) const
00134 {
00135   return this->ptr()->createMatrixFactory(domain, range);
00136 }
00137 
00138   
00139 }
00140 
00141 #endif

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