Eivind Eklund f865e453e5 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
..
1998-12-07 16:17:41 +00:00
1998-12-01 05:29:06 +00:00
1998-11-29 22:38:57 +00:00
1998-11-26 18:50:24 +00:00
1998-12-07 05:41:10 +00:00
1998-08-17 01:05:25 +00:00
1998-01-08 23:42:31 +00:00