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  1. #include <iostream>
  2.  
  3. template<int B1, int B2>
  4. struct MyClass
  5. {
  6.     static constexpr double d1 = (double)B1;
  7.     static constexpr double d2 = (double)B2;
  8.     static constexpr double B = (B2 == 0) ? 0.0 : d1/d2;
  9.     // ...
  10. };
  11.  
  12. int main()
  13. {
  14. 	const int n = MyClass<22, 5>::B;
  15. 	double b = MyClass<n, -1>::B;
  16. 	std::cout << b << '\n';
  17. }
Success #stdin #stdout 0s 3340KB
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Standard input is empty
stdout
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-4
https://ideone.com/TGwKt5
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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