Re: [boost] Re: Math Functions

From: Pete Undecided (pete_undecided_at_[hidden])
Date: 2001-09-12 15:23:39

>
> I am still not clear how best to provide a PORTABLE NaN test.  Ideas
> please!!
<.....>
> Should NaN testing be the subject of a separate BOOST /Standard work?
> (It SHOULD be very widely used? But isn't because it doesn't work well?)
>
> Paul
>

How about having a seperate low-level fp library similar to the boost
integer library.  This could define IEEE_single, IEEE_double, IEEE_extended
as well as providing portable versions of is_nan(), is_infinity().

Pete