File indexing completed on 2024-04-06 12:24:22
0001 #ifndef PhysicsTools_Utilities_Variables_h
0002 #define PhysicsTools_Utilities_Variables_h
0003 #include "PhysicsTools/Utilities/interface/ParametricTrait.h"
0004 #include <iostream>
0005
0006 #define DEFINE_VARIABLE_T(T, X, NAME) \
0007 namespace funct { \
0008 struct X { \
0009 typedef T type; \
0010 X() {} \
0011 X(const T& x) { set(x); } \
0012 inline operator T() const { return value; } \
0013 inline T operator()() const { return value; } \
0014 inline static const char* name() { \
0015 static const char* name = NAME; \
0016 return name; \
0017 } \
0018 inline X operator=(const T& x) { \
0019 set(x); \
0020 return *this; \
0021 } \
0022 inline static void set(const T& x) { value = x; } \
0023 \
0024 private: \
0025 static T value; \
0026 }; \
0027 \
0028 NON_PARAMETRIC(X); \
0029 \
0030 inline std::ostream& operator<<(std::ostream& cout, const funct::X&) { return cout << funct::X::name(); } \
0031 } \
0032 \
0033 struct __useless_ignoreme
0034
0035 #define IMPLEMENT_VARIABLE_T(T, X) \
0036 namespace funct { \
0037 T X::value; \
0038 } \
0039 \
0040 struct __useless_ignoreme
0041
0042 #define DEFINE_VARIABLE(X, NAME) DEFINE_VARIABLE_T(double, X, NAME)
0043
0044 #define IMPLEMENT_VARIABLE(X) IMPLEMENT_VARIABLE_T(double, X)
0045
0046 #define DEFINE_INT_VARIABLE(X, NAME) DEFINE_VARIABLE_T(int, X, NAME)
0047
0048 #define IMPLEMENT_INT_VARIABLE(X) IMPLEMENT_VARIABLE_T(int, X)
0049
0050 DEFINE_VARIABLE(DefaultVariable, "_");
0051 DEFINE_VARIABLE(X, "x");
0052 DEFINE_VARIABLE(Y, "y");
0053 DEFINE_VARIABLE(Z, "z");
0054
0055 #endif
