ScalarTypeConversion.h

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#ifndef GfxTL__SCALARTYPECONVERSION_HEADER__
#define GfxTL__SCALARTYPECONVERSION_HEADER__
 
namespace GfxTL
{
    template< class A, class B >
    struct ScalarTypeConversion
    {};
 
    template< >
    struct ScalarTypeConversion< char, char >
    {
        typedef short DifferenceType;
        typedef short AdditionType;
        typedef short MultiplicationType;
        typedef float DivisionType;
    };
 
    template< >
    struct ScalarTypeConversion< short, short >
    {
        typedef int DifferenceType;
        typedef int AdditionType;
        typedef int MultiplicationType;
        typedef float DivisionType;
    };
 
    template< >
    struct ScalarTypeConversion< int, int >
    {
        typedef int DifferenceType;
        typedef int AdditionType;
        typedef int MultiplicationType;
        typedef float DivisionType;
    };
 
    template< >
    struct ScalarTypeConversion< float, float >
    {
        typedef float DifferenceType;
        typedef float AdditionType;
        typedef float MultiplicationType;
        typedef float DivisionType;
    };
 
    template< >
    struct ScalarTypeConversion< double, double >
    {
        typedef double DifferenceType;
        typedef double AdditionType;
        typedef double MultiplicationType;
        typedef double DivisionType;
    };
 
    template< >
    struct ScalarTypeConversion< char, short >
        : public ScalarTypeConversion< short, short >
    {};
 
    template< >
    struct ScalarTypeConversion< short, char >
        : public ScalarTypeConversion< short, short >
    {};
 
    template< >
    struct ScalarTypeConversion< char, int >
        : public ScalarTypeConversion< int, int >
    {};
 
    template< >
    struct ScalarTypeConversion< int, char >
        : public ScalarTypeConversion< int, int >
    {};
 
    template< >
    struct ScalarTypeConversion< char, float >
        : public ScalarTypeConversion< float, float >
    {};
 
    template< >
    struct ScalarTypeConversion< float, char >
        : public ScalarTypeConversion< float, float >
    {};
 
    template< >
    struct ScalarTypeConversion< char, double >
        : public ScalarTypeConversion< double, double >
    {};
 
    template< >
    struct ScalarTypeConversion< double, char >
        : public ScalarTypeConversion< double, double >
    {};
 
    template< >
    struct ScalarTypeConversion< short, int >
        : public ScalarTypeConversion< int, int >
    {};
 
    template< >
    struct ScalarTypeConversion< int, short >
        : public ScalarTypeConversion< int, int >
    {};
 
    template< >
    struct ScalarTypeConversion< short, float >
        : public ScalarTypeConversion< float, float >
    {};
 
    template< >
    struct ScalarTypeConversion< float, short >
        : public ScalarTypeConversion< float, float >
    {};
 
    template< >
    struct ScalarTypeConversion< short, double >
        : public ScalarTypeConversion< double, double >
    {};
 
    template< >
    struct ScalarTypeConversion< double, short >
        : public ScalarTypeConversion< double, double >
    {};
 
    template< >
    struct ScalarTypeConversion< int, float >
        : public ScalarTypeConversion< float, float >
    {};
 
    template< >
    struct ScalarTypeConversion< float, int >
        : public ScalarTypeConversion< float, float >
    {};
 
    template< >
    struct ScalarTypeConversion< int, double >
        : public ScalarTypeConversion< double, double >
    {};
 
    template< >
    struct ScalarTypeConversion< double, int >
        : public ScalarTypeConversion< double, double >
    {};
 
    template< >
    struct ScalarTypeConversion< float, double >
        : public ScalarTypeConversion< double, double >
    {};
 
    template< >
    struct ScalarTypeConversion< double, float >
        : public ScalarTypeConversion< double, double >
    {};
};
 
#endif