# Test module to see if a point is within the unit circle
# Points are assumed to be in rectangle (-1, -1) and (+1, +1)
# ECS 10, May 11, 2009
# Matt Bishop

# if x^2 + y^2 <= 1, they are in the unit circle
def inunitcircle(x, y):
    return x ** 2 + y ** 2 <= 1

# main routine to enable us to test gettoss()
def main():
    # get co-ordinates
    x, y = input("x, y co-ordinates separated by comma: ")
    # generate that many in the obvious way
    while -1 <= x and x <= 1:
        # print each one out
        print "(%f,%f) are" % (x, y),
        # announce result
        if inunitcircle(x, y):
            print "in",
        else:
            print "not in",
        print "the unit circle"
        # get co-ordinates
        x, y = input("x, y co-ordinates separated by comma: ")

main()