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

From: Weddington, Eric
Subject: RE: [avr-libc-dev] 64-bit doubles
Date: Sat, 20 Dec 2008 19:12:34 -0700


> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> org] On Behalf Of Dave N6NZ
> Sent: Saturday, December 20, 2008 5:39 PM
> Cc: address@hidden
> Subject: Re: [avr-libc-dev] 64-bit doubles
> Is support for 64 bit double limited only by availability of a math 
> library?  I would expect that 8-byte variables, register allocations, 
> etc, would also be an issue, since avr-gcc doesn't have 
> anything bigger 
> than a 32-bit long or 32-bit float right now.
> Isn't there some compiler infrastructure that would have to 
> happen also?

Yes, we need to have both the library support, as well as the compiler support. 
The compiler work might be easier than the library work, but this is just 


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