And like everything else, its a tradeoff.  I'd like to use the dsPIC because
I can use the GNU math libraries and a preemtive RTOS, but then I'm looking
at 10+ mA just for the processor.  There's no such thing as perfection :-(

Bruce Partridge
http://www.rebreather.ca

> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf
> Of Alan B. Pearce
> Sent: Thursday, November 04, 2004 6:58 AM
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC]fwd: Floating Point Underflows and Overflows
>
>
> >But I've had other similar issues with floating point
> >underflows before, and I was wondering if there are
> >standard checks that people do when working with
> >floating point in C.  I have read several articles
> >about comparisons and checks for equality, but I'm
> >wondering if there is more stuff out there.
>
> I think you are getting to the point of realising why FPU's like the 8087
> family have a register of bits for overflow, NAN etc, which just does not
> exist when trying to do the equivalent on a PIC, unless the
> compiler writers
> provide a specific register in RAM to keep track of these sort of errors.
>
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