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  1. #include <stdio.h>
  2. #include <fenv.h>
  3.  
  4. #ifndef FE_INEXACT
  5. #  error No FP Exception handling!
  6. #endif
  7.  
  8. int main()
  9. {
  10.     double a = 4.0;
  11.     a /= 3.0;
  12.  
  13.     if (fetestexcept(FE_INEXACT) & FE_INEXACT)
  14.     {
  15.         printf("Exception occurred\n");
  16.     }
  17.     else
  18.     {
  19.         printf("No exception.\n");
  20.     }
  21. }
  22.  
Success #stdin #stdout 0s 1788KB
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stdin
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Standard input is empty
stdout
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Exception occurred
https://ideone.com/fSzXpU
language:
C99 (gcc 8.3)
created:
12 years ago
visibility:
public

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