> I've seen simple cases where a function returned a signed integer value modulo x. Which of course means that this function can only return a value within 0..x

> I've seen simple cases where a function returned a signed integer value modulo x. Which of course means that this function can only return a value within 0..x-1. Actually, signed modulo can return negative numbers... See, for example, this StackOverflow question: http://stackoverflow.com/questions/7594508/modulo-operator-with-negative-values http://stackoverflow.com/questions/7594508/modulo-operator-w...