#include <stdio.h>
#include <stdlib.h>

int main(void)
{
int n;
double x;
unsigned long int arg;
unsigned long int *px = (unsigned long int*)&x;

x=0.0; n=0; arg=0x4010000000000000;
while(n<3)
{

printf("%s %d\n%s %lx, %s %g\n", "Loop:", n,"Val =", arg, "X before = ", x);

*px=arg;

printf("%s %lx, %s %g\n\n", "Val =", arg, "X after =  ", x);

n++; arg=arg+0x0010000000000000;
}

exit(0);
}