تابع ‎isnormal()‎‎ در ‎C++‎

/* isnormal example */
#include <stdio.h>/* printf */
#include <math.h>/* isnormal */

int main()
{
printf ("isnormal(1.0): %dn",isnormal(1.0));
printf ("isnormal(0.0): %dn",isnormal(0.0));
printf ("isnormal(1.0/0.0): %dn",isnormal(1.0/0.0));
return 0;
}