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BelosOperatorTraits.hpp
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00041 
00042 #ifndef BELOS_OPERATOR_TRAITS_HPP
00043 #define BELOS_OPERATOR_TRAITS_HPP
00044 
00048 #include "BelosConfigDefs.hpp"
00049 
00050 namespace Belos {
00051 
00059   template<class ScalarType, class MV, class OP>
00060   class UndefinedOperatorTraits
00061   {
00062   public:
00069     static inline void notDefined() { 
00070       OP::this_type_is_missing_a_specialization(); 
00071     };
00072   };
00073  
00107   template <class ScalarType, class MV, class OP>
00108   class OperatorTraits 
00109   {
00110   public:
00111 
00121     static void 
00122     Apply (const OP& Op, 
00123      const MV& x, 
00124      MV& y, 
00125      ETrans trans = NOTRANS)
00126     { 
00127       // This will result in a deliberate compile-time error, if a
00128       // specialization of OperatorTraits has not been defined for the
00129       // MV and OP types.
00130       UndefinedOperatorTraits<ScalarType, MV, OP>::notDefined(); 
00131     };
00132 
00150     static bool HasApplyTranspose (const OP& Op) {
00151       return false;
00152     }
00153   };
00154   
00155 } // end Belos namespace
00156 
00157 #endif // BELOS_OPERATOR_TRAITS_HPP
00158 
00159 // end of file BelosOperatorTraits.hpp
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