[Tinyos-help] Help using float

Alessandro Balvis balvis at pte.enel.it
Mon Sep 5 06:27:01 PDT 2005


If you can send me your example, I'll try to complete my work. I found the
floating point libs, but I would follow your advice.
Thanks in advance,

Alessandro Balvis

Centro Ricerche Enel - Pisa - Italy
balvis at pte.enel.it

----- Original Message ----- 
From: "Michael Schippling" <schip at santafe.edu>
To: "Alessandro Balvis" <balvis at pte.enel.it>
Cc: <tinyos-help at millennium.berkeley.edu>
Sent: Friday, September 02, 2005 11:19 PM
Subject: Re: [Tinyos-help] Help using float


> Hopefully someone (else) can direct you to FP libs, but I would
> recommend using Fixed Point arithmetic. Given that the sensor
> data is 8-10 bits, the accuracy from calculations using 16 bit
> ints should be more than enough. I have an example in C filed
> in my massively parallel archives someplace if you really need it.
>
> MS
>
> Alessandro Balvis wrote:
> > I'm working with a tiny application, in particular I'm trying to
> > implement a FFT on the micaZ. The problem is with the float point
> > operation, I red that the processor doesn't support this kind of data.
> > How can I resolve? It's possible to use some libraries (like, for
> > example, C runtime) in tinyos? Thanks
> >
> > Alessandro Balvis
> >
> > Centro Ricerche Enel - Pisa - Italy
> > balvis at pte.enel.it
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > Tinyos-help mailing list
> > Tinyos-help at Millennium.Berkeley.EDU
> >
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>



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