تابع ‎rint()‎‎ در ‎C++‎

/* rint example */
#include <stdio.h>/* printf */
#include <fenv.h>/* fegetround, FE_* */
#include <math.h>/* rint */

int main ()
{
printf ("rounding using ");samp
switch (fegetround()) {
case FE_DOWNWARD: printf ("downward"); break;
case FE_TONEAREST: printf ("to-nearest"); break;
case FE_TOWARDZERO: printf ("toward-zero"); break;
case FE_UPWARD: printf ("upward"); break;
default: printf ("unknown");
}
printf (" rounding:n");
printf ( "rint (2.3) = %.1fn", rint(2.3) );
printf ( "rint (3.8) = %.1fn", rint(3.8) );
printf ( "rint (-2.3) = %.1fn", rint(-2.3) );
printf ( "rint (-3.8) = %.1fn", rint(-3.8) );
return 0;
}