Harold Hallikainen wrote: > If you swap the nybbles so the > exponent is in the high half, do you end up anywhere near a steadily > increasing order? I think Harold is right (and Walter is almost right) - if you swap nibbles first, you can simply compare x and y directly. -- Timothy J. Weber http://timothyweber.org -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist