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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	double a = 1.d;
  7. 	while (a / 2 != 0) {
  8. 		a /= 2;
  9. 	}
  10. 	cout.precision(20);
  11. 	cout << a << '\n';
  12. 	cout << pow(0.5, 22+127) << '\n';
  13. 	cout << pow(0.5d, 51+1023) << '\n';
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 4264KB
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stdin
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Standard input is empty
stdout
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4.9406564584124654418e-324
1.4012984643248170709e-45
4.9406564584124654418e-324
https://ideone.com/d7etWP
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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