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/* fesetround example */
#include <stdio.h> /* printf */
#include <fenv.h> /* fesetround, FE_* */
#include <math.h> /* rint */
#pragma STDC FENV_ACCESS on
int main ()
{
printf ("rounding -3.8:\n");
fesetround(FE_DOWNWARD);
printf ("FE_DOWNWARD: %.1f\n", rint(-3.8));
fesetround(FE_TONEAREST);
printf ("FE_TONEAREST: %.1f\n", rint(-3.8));
fesetround(FE_TOWARDZERO);
printf ("FE_TOWARDZERO: %.1f\n", rint(-3.8));
fesetround(FE_UPWARD);
printf ("FE_UPWARD: %.1f\n", rint(-3.8));
return 0;
}
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