Hamilton Feltman wrote:
> the question:
> is x*y == x*y?

Yes, it is consistent and not random. All it is, is that the PS2 FPUs
don't correctly compute the least significant bit of the mantissa
for certain values and a certain ordering of the arguments.

It would have been nice if it had been fully IEEE-754, but it isn't.
It's not a very big deal.

Christer Ericson
Sony Computer Entertainment, Santa Monica