(j3.2006) F03/0084, was Re: Interp letter ballot #25

Dan Nagle dannagle
Mon May 14 19:05:24 EDT 2012


On May 14, 2012, at 16:20 , Van Snyder wrote:
> If we want to get this right, and avoid further controversy and
> confusion, we should specify that mathematical equivalence does not
> apply to expressions that might be evaluated with different rounding
> modes in effect, that involve operands whose values might have changed
> (including but not limited to those that have the VOLATILE attribute),
> or that are evaluated in different segments.

I believe this is called "processor-dependent approximation"
and means the applications programmer should consult
the processor's documentation for assistance with special cases.


Dan Nagle

More information about the J3 mailing list