BelosOperatorT.hpp

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// @HEADER
// *****************************************************************************
//                 Belos: Block Linear Solvers Package
//
// Copyright 2004-2016 NTESS and the Belos contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER
#ifndef BELOS_OPERATORT_HPP
#define BELOS_OPERATORT_HPP
 
#include "BelosOperatorTraits.hpp"
 
namespace Belos {
  // Base class for the Belos OP template type. Similar to Belos::Operator<> but this one deals with any kind of vector (not only Belos::MultiVec as the Belos::Operator interface)
  template <class MV>
  class OperatorT {
 
  public:
 
 
 
    OperatorT() {};
 
    virtual ~OperatorT() {};
 
 
 
    virtual void Apply ( const MV & x, MV & y, ETrans trans=NOTRANS ) const = 0;
  };
 
  template <class ScalarType, class MV>
  class OperatorTraits<ScalarType, MV, OperatorT<MV> >
  {
 
  public:
    static void Apply (const OperatorT<MV>& Op,
                       const MV& x,
                       MV& y, ETrans trans=NOTRANS) {
      Op.Apply (x, y, trans);
    }
  };
 
} // namespace Belos
 
#endif // BELOS_OPERATORT_HPP