Thyra_ScalarProdBaseDecl.hpp

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// ***********************************************************************
// 
//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
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// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
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// Lesser General Public License for more details.
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// You should have received a copy of the GNU Lesser General Public
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
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#ifndef THYRA_SCALAR_PROD_DECL_HPP
#define THYRA_SCALAR_PROD_DECL_HPP

#include "Thyra_OperatorVectorTypes.hpp"
#include "Thyra_EuclideanLinearOpBaseDecl.hpp"

namespace Thyra {

template<class Scalar>
class ScalarProdBase {
public:
  
  
  virtual ~ScalarProdBase() {}

  

  virtual void scalarProds( const MultiVectorBase<Scalar>& X, const MultiVectorBase<Scalar>& Y, Scalar scalar_prods[] ) const = 0;

  virtual void apply(
    const EuclideanLinearOpBase<Scalar>   &M
    ,const ETransp                        M_trans
    ,const MultiVectorBase<Scalar>        &X
    ,MultiVectorBase<Scalar>              *Y
    ,const Scalar                         alpha
    ,const Scalar                         beta
    ) const = 0;



  virtual bool isEuclidean() const;

  virtual Scalar scalarProd( const VectorBase<Scalar>& x, const VectorBase<Scalar>& y ) const;


}; // end class ScalarProdBase

} // end namespace Thyra

#endif  // THYRA_SCALAR_PROD_DECL_HPP

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