#include <math.h>
#include <stdio.h>

int main(int argc, char* argv[])
{

  double k, t;

  for ( k=-20000.0; k<=20000.0; k += 100.0)
  {
    t = round(k+0.1);
    printf("%lf\n", t);
  }
  k = strtod("Inf", NULL);
  t = nan("");
  printf("isnan(%lf): %d\n", t, isnan(t));;
  printf("isinf(%lf): %d\n", k, isfinite(k));
  printf("isnormal: %d, %d\n", isnormal(k), isnormal(t));


  return 0;
}