Thyra_LinearOpScalarProdDecl.hpp

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00003 // 
00004 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
00005 //                 Copyright (2004) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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00011 // it under the terms of the GNU Lesser General Public License as
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00028 
00029 #ifndef THYRA_LINEAR_OP_SCALAR_PROD_DECL_HPP
00030 #define THYRA_LINEAR_OP_SCALAR_PROD_DECL_HPP
00031 
00032 #include "Thyra_ScalarProdBaseDecl.hpp"
00033 
00034 namespace Thyra {
00035 
00045 template<class Scalar>
00046 class LinearOpScalarProd : public ScalarProdBase<Scalar> {
00047 public:
00048 
00051 
00053   LinearOpScalarProd();
00054 
00056   LinearOpScalarProd( const Teuchos::RefCountPtr<const LinearOpBase<Scalar> > &op );
00057 
00059   void initialize( const Teuchos::RefCountPtr<const LinearOpBase<Scalar> > &op );
00060 
00062   const Teuchos::RefCountPtr<const LinearOpBase<Scalar> >& op() const;
00063 
00065   void uninitialize( Teuchos::RefCountPtr<const LinearOpBase<Scalar> > *op = NULL );
00066 
00068   
00071 
00073   void scalarProds( const MultiVectorBase<Scalar>& X, const MultiVectorBase<Scalar>& Y, Scalar scalar_prods[] ) const;
00074 
00076   void apply(
00077     const EuclideanLinearOpBase<Scalar>   &M
00078     ,const ETransp                        M_trans
00079     ,const MultiVectorBase<Scalar>        &X
00080     ,MultiVectorBase<Scalar>              *Y
00081     ,const Scalar                         alpha
00082     ,const Scalar                         beta
00083     ) const;
00084 
00086 
00087 private:
00088 
00089   Teuchos::RefCountPtr<const LinearOpBase<Scalar> >  op_;
00090 
00091 }; // end class LinearOpScalarProd
00092 
00093 // //////////////////////////////////
00094 // Inline members
00095 
00096 template<class Scalar>
00097 inline
00098 const Teuchos::RefCountPtr<const LinearOpBase<Scalar> >& LinearOpScalarProd<Scalar>::op() const
00099 {
00100   return op_;
00101 }
00102 
00103 } // end namespace Thyra
00104 
00105 #endif  // THYRA_LINEAR_OP_SCALAR_PROD_DECL_HPP

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