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

// Here we define a simple macro
#define PI 3.14159265359f

// Another macro with parameters
// TODO: Fix the problem with this macro
#define Square(x) (x*x)

// TODO: define a macro that doubles the value of an variable.

int main(int argc, char **argv)
{
	float pisqr = Square(PI);
	printf("Pi to the power of 2 is equal to %f\n",pisqr);

	int value = Square(1+2);
	printf("3 squared is %d\n", value);

	// TODO: call your double macro on value
	printf("3 squared doubled is %d", value);
}