| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version |
Arguments: position1 position2
Returns position1 after modifying it to be (position-
position1 position2)
. This is the destructive version of
position-, which returns a
new position object.
The returned position has x value
(- (position-x position1) (position-x position2))
and y value
(- (position-y position1) (position-y position2)).
Copyright (c) 1998-2016, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.1 page.
Created 2010.1.21.
| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version |