#include <stdio.h>

#define PR(x) printf(#x " = %g\t",(double)(x))
#define NL putchar('\n')
#define PRINT1(x1)  PR(x1);  NL
#define PRINT2(x1,x2) PR(x1); PRINT1(x2)

void
main()
{
	double d=3.2, x;
	int i=2, y;

	x = (y=d/i)*2; PRINT2(x,y);
	y = (x=d/i)*2; PRINT2(x,y);

	y = d * (x=2.5/d); PRINT1(y);
	x = d * (y = ((int)2.9+1.1)/d); PRINT2(x,y); // Type cast '(int)' has higher precedence than '+'.
												 // So 2.9 becomes 2, then + 1.1 = 3.1 y gets zero.
												 //	3.1/3.2 < 1 so y, an int, gets 0. 
}


/* Remember in C and C++  int/int = int quotient, no remainder.
                          int%int = int remainder
						  double/int = double, the quotient is cast to a double.
						  int/double = double.......
						  */