eivind 89e665c749 Propagate unsignedness to all variants of 'k', and reorganize the
conditionals to be fully resistent against overflow in unsigned
computations.

Potential problem pointed out by:	bde
Reviewed by:				bde
1998-12-07 16:31:15 +00:00
..
1998-09-12 22:07:47 +00:00
1997-10-28 15:59:26 +00:00
1998-02-06 12:14:30 +00:00
1998-06-21 14:53:44 +00:00
1998-02-09 06:11:36 +00:00
1998-06-20 16:39:35 +00:00
1998-07-11 10:51:01 +00:00