Go to the documentation of this file.00001 #ifndef PhysicsTools_Utilities_ParametricTrait_h
00002 #define PhysicsTools_Utilities_ParametricTrait_h
00003
00004 #include "PhysicsTools/Utilities/interface/Functions.h"
00005 #include "PhysicsTools/Utilities/interface/Fraction.h"
00006 #include "PhysicsTools/Utilities/interface/Operations.h"
00007
00008 namespace funct {
00009
00010 template<typename F>
00011 struct Parametric {
00012 static const int value = 1;
00013 };
00014
00015 template<int n>
00016 struct Parametric<Numerical<n> > {
00017 static const int value = 0;
00018 };
00019
00020 template<int n, int m>
00021 struct Parametric<FractionStruct<n, m> > {
00022 static const int value = 0;
00023 };
00024
00025 #define NON_PARAMETRIC( FUN ) \
00026 template<> struct Parametric<FUN> { \
00027 static const int value = 0; \
00028 }
00029
00030 #define NON_PARAMETRIC_UNARY(FUN) \
00031 template<typename A> \
00032 struct Parametric<FUN<A> > { \
00033 static const int value = Parametric<A>::value; \
00034 }
00035
00036 NON_PARAMETRIC_UNARY(AbsStruct);
00037 NON_PARAMETRIC_UNARY(SgnStruct);
00038 NON_PARAMETRIC_UNARY(ExpStruct);
00039 NON_PARAMETRIC_UNARY(LogStruct);
00040 NON_PARAMETRIC_UNARY(SinStruct);
00041 NON_PARAMETRIC_UNARY(CosStruct);
00042 NON_PARAMETRIC_UNARY(TanStruct);
00043 NON_PARAMETRIC_UNARY(MinusStruct);
00044
00045 #define NON_PARAMETRIC_BINARY(FUN) \
00046 template<typename A, typename B> \
00047 struct Parametric<FUN<A, B> > { \
00048 static const int value = Parametric<A>::value || Parametric<A>::value; \
00049 }
00050
00051 NON_PARAMETRIC_BINARY(SumStruct);
00052 NON_PARAMETRIC_BINARY(ProductStruct);
00053 NON_PARAMETRIC_BINARY(RatioStruct);
00054 NON_PARAMETRIC_BINARY(PowerStruct);
00055
00056 #undef NON_PARAMETRIC_UNARY
00057 #undef NON_PARAMETRIC_BINARY
00058
00059 }
00060
00061
00062 #endif
1.7.3