[Coco] long math subroutine module?

[gene heskett]

On Friday, April 13, 2012 12:01:18 AM Willard Goosey did opine:

> On Wed, Apr 11, 2012 at 11:31:56PM -0400, gene heskett wrote:
> > So far as I have heard about, no.  I believe the real problem is the
> > size of an int in basic09 is 16 bits & even a real is only 5 bytes
> > including the exponent.
> 
> Exactly.  Now I'm really wondering why nobody's written such a thing.
> 
> > I believe if you need that in long or double, you'll need to write it
> > in C and use the trig.l to get those functions where the accuracy
> > only gets fuzzy about 16 or 17 digits out.  They work well until the
> > julian calender hits zero in the middle of 4713 BC.
> 
> That amuses me, because my reason for asking is that I want to
> directly manipulate the real file-pointer returned by the system calls
> via SYSCALL... If you're doing trig on a file pointer you're doing
> something VERY strange! :-)
> 
> Willard

That wasn't the point.  The point was that the high precision double float 
operations for all this is in the trig.l library.

Cheers, Gene
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