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  1. #include <cmath>
  2. #include <limits>
  3. #include <iomanip>
  4. #include <iostream>
  5. #include <type_traits>
  6. #include <algorithm>
  7. using namespace std;
  8.  
  9. int main()
  10. {
  11.     cout<<std::numeric_limits<float>::min()<<endl;
  12.  
  13. 	float d1 = 1.000000000f;
  14. 	// epsilon 0.00000011920928955078125;
  15. 	float d2 = 1.0000001192092895f;
  16. 	cout << fabs(d1 - d2)<<endl;
  17. 	if ((d2 - d1) < std::numeric_limits<float>::epsilon())
  18. 	{
  19. 	  cout<<"same"<<endl;
  20. 	}
  21. 	if ((d2 - d1) == std::numeric_limits<float>::epsilon())
  22. 	{
  23. 	  cout<<"==same"<<endl;
  24. 	}
  25.     return 0;
  26. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin 
Standard input is empty
stdout 
1.17549e-38
1.19209e-07
==same
https://ideone.com/MH6jJW
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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