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  1. #include <iostream>
  2. #include <cmath>
  3. #include <limits>
  4.  
  5. int main() {
  6. 	auto m = std::numeric_limits<float>::max();
  7. 	std::cout << "float max: " << m << "\n";
  8. 	auto x = std::nextafter(m, 0.0f);
  9. 	std::cout << "biggest value less than max: " << x << "\n";
  10. 	auto d = m - x;
  11. 	std::cout << "the difference: " << d << "\n";
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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float max: 3.40282e+38
biggest value less than max: 3.40282e+38
the difference: 2.02824e+31
https://ideone.com/VyNgtE
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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