Am 27.11.2015 um 11:40 schrieb Todd Carnes:
> Why use a function at all? If you want to change a negative number to a> positive number all you have to do is multiply it by -1.
That's only true if the number in question is known to be negative.
In that case, however, it is easier and more efficient to just use the
unary minus operator:
#declare PositiveNumber = -NegativeNumber;
