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Re: [avr-libc-dev] %f
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From: |
eweddington |
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Subject: |
Re: [avr-libc-dev] %f |
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Date: |
Tue, 10 Oct 2006 05:43:37 -0600 |
----- Original Message -----
From: Joerg Wunsch <address@hidden>
Date: Tuesday, October 10, 2006 2:50 am
Subject: Re: [avr-libc-dev] %f
> As Steve Franks wrote:
>
> > I know no one else in their right mind uses floating point
> > printf/scanf.
>
> Why not?
>
> > That said, the "double format, float arg" warning is a
> > bit tedious (when you have a giant string parser in a mega128).
>
> It's only tedious as the AVR currently doesn't support 64-bit doubles,
> so sizeof(float) == sizeof(double).
Please note that we have repeatedly asked for volunteers to help with
maintenance of the math library, as well as adding true 64-bit doubles
to avr-libc. IIRC, the IAR compiler for the AVR offers this; it would be
nice to offer this as well.
Eric Weddington