K 10 svn:author V 6 eivind K 8 svn:date V 27 1998-12-07T16:31:15.000000Z K 7 svn:log V 203 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 END