Thyra_ScalarProdBaseDecl.hpp

00001 // @HEADER
00002 // ***********************************************************************
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
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef THYRA_SCALAR_PROD_DECL_HPP
00030 #define THYRA_SCALAR_PROD_DECL_HPP
00031 
00032 #include "Thyra_OperatorVectorTypes.hpp"
00033 #include "Thyra_EuclideanLinearOpBaseDecl.hpp"
00034 
00035 namespace Thyra {
00036 
00073 template<class Scalar>
00074 class ScalarProdBase {
00075 public:
00076   
00079   
00081   virtual ~ScalarProdBase() {}
00082 
00084   
00087 
00107   virtual void scalarProds( const MultiVectorBase<Scalar>& X, const MultiVectorBase<Scalar>& Y, Scalar scalar_prods[] ) const = 0;
00108 
00133   virtual void apply(
00134     const EuclideanLinearOpBase<Scalar>   &M
00135     ,const ETransp                        M_trans
00136     ,const MultiVectorBase<Scalar>        &X
00137     ,MultiVectorBase<Scalar>              *Y
00138     ,const Scalar                         alpha
00139     ,const Scalar                         beta
00140     ) const = 0;
00141 
00143 
00146 
00153   virtual bool isEuclidean() const;
00154 
00170   virtual Scalar scalarProd( const VectorBase<Scalar>& x, const VectorBase<Scalar>& y ) const;
00171 
00173 
00174 }; // end class ScalarProdBase
00175 
00176 } // end namespace Thyra
00177 
00178 #endif  // THYRA_SCALAR_PROD_DECL_HPP

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