| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 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) 1998-2022, Franz Inc. Lafayette, CA., USA. All rights reserved.
This page was not revised from the 10.0 page.
Created 2019.8.20.
| Allegro CL version 10.1 Unrevised from 10.0 to 10.1. 10.0 version | ||||||||||