Sin.h

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#ifndef PhysicsTools_Utilities_Sin_h
#define PhysicsTools_Utilities_Sin_h

#include <cmath>

namespace funct {

  template<typename T>
  struct SinStruct {
    SinStruct(const T& t) : _(t) { }
    inline double operator()() const { return ::sin(_()); }
    T _; 
  };

  template<typename T>
  struct Sin {
    typedef SinStruct<T> type;
    inline static type compose(const T& t) { return type(t); }
  };

  template<typename T>
  inline typename Sin<T>::type sin(const T & t) { return Sin<T>::compose(t); }

}

#endif