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  1. #include <iostream>
  2. using namespace std;
  3. float f_abs(float a)
  4. {
  5.   unsigned char* temp = (unsigned char *)&a;
  6.   *(temp+3) &= 0x7f;
  7.   return a;
  8. }
  9. int main() {
  10.   cout << f_abs(-2.56789f);
  11.   return 0;
  12. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin 
Standard input is empty
stdout 
2.56789
https://ideone.com/YKpnuL
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
secret

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