c_cpp 复杂的模板类

Posted 2021-05-14

#ifndef __COMPLEX__
#define __COMPLEX__

template <typename T>
class complex
{
public:
  complex (T r = 0, T i = 0) : re(r), im(i) {}
  complex& operator += (const complex &);
  T real () const { return re; }
  T imag () const { return im; }
private:
  T re;
  T im;
  
  friend complex& __doapl (complex *, const complex&);
};

#endif /* __COMPLEX__ */