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  1. #include <iostream>
  2. #include <limits>
  3. #include <cmath>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	cout << (numeric_limits<double>::is_iec559 ? "IEEE 754 encoding":"unknown encoding") <<endl;
  8. 	cout << (numeric_limits<double>::is_bounded ? "bounded":"not bounded") <<endl; 
  9. 	cout << "Max:   "<<numeric_limits<double>::max()<<endl; 
  10. 	cout << "-Max:  "<<-numeric_limits<double>::max()<<endl; 
  11. 	cout << "Lowest:" << numeric_limits<double>::lowest()<<endl; 
  12. 	float a = 0.15 + 0.15;
  13. 	float b = 0.1 + 0.2;
  14. 	float diff = std::abs(a - b);
  15. 	return 0;
  16. }
Success #stdin #stdout 0.01s 5304KB
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stdin
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Standard input is empty
stdout
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IEEE 754 encoding
bounded
Max:   1.79769e+308
-Max:  -1.79769e+308
Lowest:-1.79769e+308
https://ideone.com/bRnPsq
language:
C++14 (gcc 8.3)
created:
9 days ago
visibility:
public

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