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  1. #include <iostream>
  2.  
  3. template<typename To, typename From>
  4. union Reinterpret_Cast
  5. {
  6.     Reinterpret_Cast(From f) : f(f)
  7.     {
  8.     }
  9.     operator To()
  10.     {
  11.         return t;
  12.     }
  13. private:
  14.     From f;
  15.     To t;
  16. };
  17.  
  18. int main()
  19. {
  20.     double d = 0.1;
  21.     unsigned long long n = Reinterpret_Cast<unsigned long long, double>(d);
  22.     std::cout << n << std::endl;
  23. }
Success #stdin #stdout 0s 2896KB
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4591870180066957722
https://ideone.com/CI9dgu
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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