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  1. #include <iostream>
  2. #include <string>
  3. #include <bitset>
  4.  
  5. std::string PrintBinary(float val)
  6. {
  7.     std::bitset<32> bits(*reinterpret_cast<int *>(&val));
  8. 	return bits.to_string();
  9. }
  10.  
  11. int main ()
  12. {
  13. 	double b = 0.0;
  14. 	float a = - (float) b;
  15.  
  16. 	std::cout << PrintBinary(a) << std::endl;
  17. 	printf("a == %.2f %s 0\n", a, a == 0 ? "==": "!=");
  18. }
Success #stdin #stdout 0.01s 2812KB
comments (?)
stdin 
Standard input is empty
stdout 
10000000000000000000000000000000
a == -0.00 == 0
https://ideone.com/vlWHPc
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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