Yes, "the rules of algebra" has lead to a minus zero... but it is still zero, the sign for zero has no significance in algebra.
In two's-complement, there is no negative zero. In packed-decimal 'rithmetic, there is, as explained in the PoP. The sign of the result is according to the rules of algebra, even when the result is zero. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
