/usr/include/trilinos/AnasaziOperator.hpp is in libtrilinos-anasazi-dev 12.12.1-5.
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// ***********************************************************************
//
// 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.
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// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
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//
// 1. Redistributions of source code must retain the above copyright
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// 2. Redistributions in binary form must reproduce the above copyright
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// 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
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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// @HEADER
/*! \file AnasaziOperator.hpp
\brief Templated virtual class for creating operators that can interface with the Anasazi::OperatorTraits class
*/
#ifndef ANASAZI_OPERATOR_HPP
#define ANASAZI_OPERATOR_HPP
#include "AnasaziConfigDefs.hpp"
#include "AnasaziOperatorTraits.hpp"
#include "AnasaziMultiVec.hpp"
#include "Teuchos_ScalarTraits.hpp"
namespace Anasazi {
/*!
\brief Anasazi's templated virtual class for constructing an operator that can interface with the
OperatorTraits class used by the eigensolvers.
A concrete implementation of this class is necessary. The user can create their own implementation
if those supplied are not suitable for their needs.
\author Ulrich Hetmaniuk, Rich Lehoucq, and Heidi Thornquist
*/
template <class ScalarType>
class Operator {
public:
//! @name Constructor/Destructor
//@{
//! Default constructor.
Operator() {};
//! Destructor.
virtual ~Operator() {};
//@}
//! @name Operator application method
//@{
/*! \brief This method takes the Anasazi::MultiVec \c x and
applies the operator to it resulting in the Anasazi::MultiVec \c y.
*/
virtual void Apply ( const MultiVec<ScalarType>& x, MultiVec<ScalarType>& y ) const = 0;
//@}
};
////////////////////////////////////////////////////////////////////
//
// Implementation of the Anasazi::OperatorTraits for Anasazi::Operator
// and Anasazi::MultiVec.
//
////////////////////////////////////////////////////////////////////
/*!
\brief Template specialization of Anasazi::OperatorTraits class using Anasazi::Operator and Anasazi::MultiVec virtual
base classes.
Any class that inherits from Anasazi::Operator will be accepted by the Anasazi templated solvers due to this
interface to the Anasazi::OperatorTraits class.
*/
template <class ScalarType>
class OperatorTraits < ScalarType, MultiVec<ScalarType>, Operator<ScalarType> >
{
public:
//! @name Operator application method
//@{
/*! \brief This method takes the Anasazi::MultiVec \c x and
applies the Anasazi::Operator \c Op to it resulting in the Anasazi::MultiVec \c y.
*/
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
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