rand on 4d broken

[Henry Spencer]

In article <165 at odin.SGI.COM> andru at rhialto.sgi.com (Andrew Myers) writes:
>	... UNIX rand() is well known to
>	be an extremely poor random number generator...

In fairness, the *original* Version 7 rand() wasn't too bad.  Not great,
but not bad.  It was a 32-bit generator that returned the *upper* 16 bits
to avoid the rather non-random behavior of the low-order bits.  Alas, many
of the people who messed with it later didn't appreciate this subtlety.
-- 
NASA is to spaceflight as the  |     Henry Spencer at U of Toronto Zoology
US government is to freedom.   | uunet!attcan!utzoo!henry henry at zoo.toronto.edu