// CSE 142, Summer 2008 (Marty Stepp)
// This program demonstrates the Math class and using return values.
//
public class MathExamples {
	public static void main(String[] args) {
		double power = Math.pow(4, 2);  // returning a value
		System.out.println("the result is " + power);
		
		int age = 87;
		age = Math.max(Math.min(age, 40), 0);
		System.out.println("your age is " + age);
		

		double s1 = slope(0, 0, 6, 3);
		double s2 = slope(2, 1, 5, 2);
		System.out.println("The slope of the line is " + s1);
		System.out.println("The slope of the 2nd line is " + s2);
		System.out.println("The difference in slopes is " + (s1 - s2));
	}
	
	// This method computes the slope of the line between the
	// points (x1, y1) and (x2, y2).
	public static double slope(int x1, int y1, int x2, int y2) {
		double dy = y2 - y1;
		double dx = x2 - x1;
		double result = dy / dx;
		return result;            // result's value (0.5) is sent back to main
	}
}