AnasaziOperatorTraits.hpp

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// @HEADER
// *****************************************************************************
//                 Anasazi: Block Eigensolvers Package
//
// Copyright 2004 NTESS and the Anasazi contributors.
// SPDX-License-Identifier: BSD-3-Clause
// *****************************************************************************
// @HEADER

#ifndef ANASAZI_OPERATOR_TRAITS_HPP
#define ANASAZI_OPERATOR_TRAITS_HPP

#include "AnasaziConfigDefs.hpp"
#include "AnasaziTypes.hpp"


namespace Anasazi {


  class OperatorError : public AnasaziError
  {public: OperatorError(const std::string& what_arg) : AnasaziError(what_arg) {}};


  template< class ScalarType, class MV, class OP >
  struct UndefinedOperatorTraits
  {

    static inline void notDefined() { return OP::this_type_is_missing_a_specialization(); };
  };


  template <class ScalarType, class MV, class OP>
  class OperatorTraits 
  {
  public:
    

    
    static void Apply ( const OP& Op, 
                        const MV& x, 
                        MV& y )
    { UndefinedOperatorTraits<ScalarType, MV, OP>::notDefined(); };
    
    
  };
  
} // end Anasazi namespace

#endif // ANASAZI_OPERATOR_TRAITS_HPP

// end of file AnasaziOperatorTraits.hpp