On 8/8/06, Boyko Bantchev <[EMAIL PROTECTED]> wrote:
... -/ . * 0 0,B,:A
Sorry, I meant the *sign* of the above (which itself is twice the oriented area of the triangle OAB). I.e., * -/ . * 0 0,B,:A is 1/0/-1 when A is left/same dir/right from B. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
