op

2016-09-23 01:37:18 -05:00 · 2016-09-23 01:37:18 -05:00 · 298b287859
commit 298b287859
parent cd3b94c40c
1 changed files with 2 additions and 0 deletions
--- a/library/matrix.yap
+++ b/library/matrix.yap
@ -27,6 +27,8 @@

 :- module( matrix,
 	   [(<==)/2, op(800, xfx, '<=='),
+	    (+=)/2, op(800, xfx, '+='),	
+	    (-=)/2, op(800, xfx, '-='),
 	    op(700, xfx, in),
 	    op(700, xfx, ins),
            op(450, xfx, ..), % should bind more tightly than \/