BelosOperatorTraits.hpp

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//                 Belos: Block Linear Solvers Package
//                 Copyright (2004) Sandia Corporation
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#ifndef BELOS_OPERATOR_TRAITS_HPP
#define BELOS_OPERATOR_TRAITS_HPP

#include "BelosTypes.hpp"
#include "BelosConfigDefs.hpp"

namespace Belos {

  template< class ScalarType, class MV, class OP >
  struct UndefinedOperatorTraits
  {
    static inline ReturnType notDefined() { return OP::this_type_is_missing_a_specialization(); };
  };
  
  template <class ScalarType, class MV, class OP>
  class OperatorTraits 
  {
  public:
    
    static ReturnType Apply ( const OP& Op, 
            const MV& x, 
            MV& y, 
            ETrans trans = NOTRANS )
    { return UndefinedOperatorTraits<ScalarType, MV, OP>::notDefined(); };
    
  };
  
} // end Belos namespace

#endif // BELOS_OPERATOR_TRAITS_HPP

// end of file BelosOperatorTraits.hpp

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