RE: [avr-libc-dev] 64-bit doubles

[Ron Kreymborg]

> -----Original Message-----
> From: Weddington, Eric [mailto:address@hidden
> Sent: Sunday, 21 December 2008 6:00 AM
> To: Ron Kreymborg; address@hidden
> Subject: RE: [avr-libc-dev] 64-bit doubles
> 
> 
> 
> > -----Original Message-----
> > From:
> > address@hidden
> > [mailto:address@hidden
> > org] On Behalf Of Ron Kreymborg
> > Sent: Saturday, December 20, 2008 5:03 AM
> > To: address@hidden
> > Subject: [avr-libc-dev] 64-bit doubles
> >
> > A quick look at AVR Libc for 20081205 still lists doubles as
> > only 32-bit. Is
> > this so? If yes does anyone know of a 64-bit double library?
> > I am pointing
> > heliostats and 32-bits are just not enough.
> >
> > Ron
> 
> Hi Ron,
> 
> Yes, that is correct. Floats and doubles are 32-bits. No, I don't know
> of a library. We (the avr-libc developers) have been advertising for
> volunteers to help put together 64-bit double support for quite some
> time. Nobody has volunteered yet.
> 
> Eric Weddington

Ok. For this project my good sense is saying go to a mcf52xx or M16C and a
commercial compiler, but I have written fp code for now ancient processors
and used the CORDIC transformations for transcendentals, so I'll have a look
at AVRs over the xmas break. No promises...

Ron






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