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Thyra_SpmdMultiVectorBase_decl.hpp
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00041 
00042 #ifndef THYRA_SPMD_MULTI_VECTOR_BASE_DECL_HPP
00043 #define THYRA_SPMD_MULTI_VECTOR_BASE_DECL_HPP
00044 
00045 #include "Thyra_MultiVectorAdapterBase_decl.hpp"
00046 #include "Teuchos_BLAS.hpp"
00047 
00048 
00049 namespace Thyra {
00050 
00051 
00053 template<class Scalar> class SpmdVectorSpaceBase;
00054 
00055 
00112 template<class Scalar>
00113 class SpmdMultiVectorBase
00114   : virtual public MultiVectorAdapterBase<Scalar>
00115 {
00116 public:
00117 
00120 
00122   SpmdMultiVectorBase();
00123 
00125 
00128 
00132   virtual RCP<const SpmdVectorSpaceBase<Scalar> > spmdSpace() const = 0;
00133 
00157   void getNonconstLocalData(
00158     const Ptr<ArrayRCP<Scalar> > &localValues, const Ptr<Ordinal> &leadingDim
00159     )
00160     {
00161       getNonconstLocalDataImpl(localValues, leadingDim);
00162     }
00163 
00184   void getLocalData(
00185     const Ptr<ArrayRCP<const Scalar> > &localValues, const Ptr<Ordinal> &leadingDim
00186     ) const
00187     {
00188       getLocalDataImpl(localValues, leadingDim);
00189     }
00190 
00192 
00195 
00197   RCP< const ScalarProdVectorSpaceBase<Scalar> > rangeScalarProdVecSpc() const;
00198 
00200 
00201 protected:
00202 
00205 
00207   virtual void getNonconstLocalDataImpl(
00208     const Ptr<ArrayRCP<Scalar> > &localValues, const Ptr<Ordinal> &leadingDim
00209     ) = 0;
00210 
00212   virtual void getLocalDataImpl(
00213     const Ptr<ArrayRCP<const Scalar> > &localValues, const Ptr<Ordinal> &leadingDim
00214     ) const = 0;
00215 
00217 
00221   void mvMultiReductApplyOpImpl(
00222     const RTOpPack::RTOpT<Scalar> &primary_op,
00223     const ArrayView<const Ptr<const MultiVectorBase<Scalar> > > &multi_vecs,
00224     const ArrayView<const Ptr<MultiVectorBase<Scalar> > > &targ_multi_vecs,
00225     const ArrayView<const Ptr<RTOpPack::ReductTarget> > &reduct_objs,
00226     const Ordinal primary_global_offset
00227     ) const;
00229   void acquireDetachedMultiVectorViewImpl(
00230     const Range1D &rowRng,
00231     const Range1D &colRng
00232     ,RTOpPack::ConstSubMultiVectorView<Scalar> *sub_mv
00233     ) const;
00235   void releaseDetachedMultiVectorViewImpl(
00236     RTOpPack::ConstSubMultiVectorView<Scalar>* sub_mv
00237     ) const;
00239   void acquireNonconstDetachedMultiVectorViewImpl(
00240     const Range1D &rowRng,
00241     const Range1D &colRng,
00242     RTOpPack::SubMultiVectorView<Scalar> *sub_mv
00243     );
00245   void commitNonconstDetachedMultiVectorViewImpl(
00246     RTOpPack::SubMultiVectorView<Scalar>* sub_mv
00247     );
00249 
00252 
00258   void euclideanApply(
00259     const EOpTransp M_trans,
00260     const MultiVectorBase<Scalar> &X,
00261     const Ptr<MultiVectorBase<Scalar> > &Y,
00262     const Scalar alpha,
00263     const Scalar beta
00264     ) const;
00265 
00267 
00270 
00279   virtual void updateSpmdSpace();
00280 
00285   Range1D validateRowRange( const Range1D& rowRng ) const;
00286 
00291   Range1D validateColRange( const Range1D& rowCol ) const;
00292 
00294   
00295 private:
00296   
00297   // ///////////////////////////////////////
00298   // Private data members
00299   
00300   mutable bool in_applyOp_;
00301 
00302   mutable Teuchos::BLAS<int,Scalar> blas_;
00303 
00304   // cached
00305   Ordinal  globalDim_;
00306   Ordinal  localOffset_;
00307   Ordinal  localSubDim_;
00308   Ordinal  numCols_;
00309   
00310 }; // end class SpmdMultiVectorBase
00311 
00312 } // end namespace Thyra
00313 
00314 #endif // THYRA_SPMD_MULTI_VECTOR_BASE_DECL_HPP
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