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  1. #include <fenv.h>
  2. #include <stdio.h>
  3. #include <math.h>
  4.  
  5. int main () {
  6.   fesetround(FE_DOWNWARD);
  7.   printf("874.999 (FE_DOWNWARD)   => %d\n", (int)nearbyint(874.999));
  8.   fesetround(FE_UPWARD);
  9.   printf("874.999 (FE_UPWARD)     => %d\n", (int)nearbyint(874.999));
  10.   fesetround(FE_TOWARDZERO);
  11.   printf("874.999 (FE_TOWARDZERO) => %d\n", (int)nearbyint(874.999));
  12.   return 0;
  13. }
Success #stdin #stdout 0.01s 1676KB
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stdin
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Standard input is empty
stdout
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874.999 (FE_DOWNWARD)   => 874
874.999 (FE_UPWARD)     => 875
874.999 (FE_TOWARDZERO) => 874
https://ideone.com/hhqOCv
language:
C99 (gcc 8.3)
created:
13 years ago
visibility:
public

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