is there a standard way of dealing with negative bases? ie, I thought in base -2 our digits would be {0,-1}, not {0,1}. edit: also, I had a different idea of w

is there a standard way of dealing with negative bases? ie, I thought in base -2 our digits would be {0,-1}, not {0,1}. edit: also, I had a different idea of what "taking a step" would mean. my solution: http://pastie.org/1987386 http://pastie.org/1987386