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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     float f = 0.3;
  6.     f -= 0.2;
  7.     f -= 0.1;
  8.  
  9.     if (!f)
  10.     {
  11.         printf("zero\n");
  12.     }
  13.     else
  14.     {
  15.         printf("non zero\n");
  16.     }
  17.  
  18.     if (f == 0)
  19.     {
  20.         printf("zero\n");
  21.     }
  22.     else
  23.     {
  24.         printf("non zero\n");
  25.     }
  26.  
  27.     return 0;
  28. }
Success #stdin #stdout 0s 2248KB
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stdin
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Standard input is empty
stdout
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non zero
non zero
https://ideone.com/PIUflA
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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