/**
 * A tiny little example of a function created using #define
 * @author gtowell
 * Created: march 2021
 * **/
#include <stdio.h>

// the defined function
#define SQR(x) (x*x)

int main(int argc, char const *argv[])
{
    double dd = 4.2;
    int ii = 12;
    // apply the func to an integer
    printf("%f\n", SQR(dd));
    // apply to a double
    printf("%d\n", SQR(ii));
    return 0;
}