AnasaziOperator.hpp

Go to the documentation of this file.

// @HEADER
// ***********************************************************************
//
//                 Anasazi: Block Eigensolvers Package
//                 Copyright 2004 Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
//
// ***********************************************************************
// @HEADER

#ifndef ANASAZI_OPERATOR_HPP
#define ANASAZI_OPERATOR_HPP

#include "AnasaziConfigDefs.hpp"
#include "AnasaziOperatorTraits.hpp"
#include "AnasaziMultiVec.hpp"
#include "Teuchos_ScalarTraits.hpp"


namespace Anasazi {
  
  template <class ScalarType>
  class Operator {
  public:

    Operator() {};
    
    virtual ~Operator() {};
    

    
    virtual void Apply ( const MultiVec<ScalarType>& x, MultiVec<ScalarType>& y ) const = 0;

  };
  
  //
  // Implementation of the Anasazi::OperatorTraits for Anasazi::Operator 
  //                                               and Anasazi::MultiVec.
  //
  
  template <class ScalarType> 
  class OperatorTraits < ScalarType, MultiVec<ScalarType>, Operator<ScalarType> > 
  {
  public:
  


    static void Apply ( const Operator<ScalarType>& Op, 
            const MultiVec<ScalarType>& x, 
            MultiVec<ScalarType>& y )
    { Op.Apply( x, y ); }

    
  };
  
} // end of Anasazi namespace

#endif

// end of file AnasaziOperator.hpp