# someFunctions.py    Define a few sample functions in Python
# P. Conrad for CS5nm, 10/01/2008

# CtoF: number -> number
#   consumes: a temperature in Celsius
#   produces: a temperature in Fahrenheit

import math;

def CtoF(cTemp):
    return (cTemp / 5.0) * 9 + 32


# squared: number -> number
#  consumes: a number x
#  returns: the square of that number

def square(x):
    return x * x

def printSquare(x):
    print x * x


def distance(x1,y1,x2,y2):
    return math.sqrt( square(x2-x1) + square(y2-y1) )

def check_expect(check,expect):
    if (check == expect):
        print "Test Passed"
    else:
        print "Test Failed"

check_expect(square(5),25)
check_expect(square(3),9)
check_expect(square(-3),9)
check_expect(square(0.5),0.25)
check_expect(square(0),0)