More Naughty Bits

[dik at zuring.UUCP]

In article <944 at security.UUCP> jjg at security.UUCP (Jeff Glass) writes:
>> (discussion about machines where 0.0 does not have same representation as 0)
>
>The CDC Cyber series represents floating-point zero with the (12-bit)
>exponent zero.  It doesn't matter whether the (48-bit) mantissa is zero
>or not.

Not quite, for floating-point multiplication: yes; for floating-point
addition: no.  (There are numbers such that 2.0*x = 0.0, but x+x /= 0.0)
-- 
dik t. winter, cwi, amsterdam, nederland
UUCP: {seismo|decvax|philabs}!mcvax!dik