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  1. #include <stdio.h>
  2. #include <float.h>
  3.  
  4. int main(void) {
  5. 	float x=1.0;
  6.     float epsilon=1.0;
  7.  
  8.     while(x+(float)(epsilon*0.5)!=x) {
  9.         epsilon*=0.5;
  10.     }
  11.     printf("%g\n", epsilon);
  12.     printf("%g\n", FLT_EPSILON);
  13.     return 0;
  14. }
  15.  
Success #stdin #stdout 0s 2248KB
comments (?)
stdin 
Standard input is empty
stdout 
1.19209e-07
1.19209e-07
https://ideone.com/FYEiU2
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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