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Date: Fri, 9 Mar 2012 10:56:55 -0500
From: Rich Felker <dalias@...ifal.cx>
To: musl@...ts.openwall.com
Subject: Re: libm
On Fri, Mar 09, 2012 at 12:09:46PM +0100, Szabolcs Nagy wrote:
> * Rich Felker <dalias@...ifal.cx> [2012-03-09 05:22:39 -0500]:
> > 2. You could add something like:
> > #ifdef __GNUC__
> > #define __RETCAST(x) (__typeof__((x))
> > #else
> > #define __RETCAST(x)
> > #endif
> > Then add __RETCAST((x)), __RETCAST((x)+(y)), etc. Some trick will be
> > needed to make integer types result in a cast to double, though.
>
> hm the int->double and complex/real cases are tricky
>
> i thought +1.0 or +I would solve these, but that's wrong
I think +0.0f might solve it. Isn't the promoted type of any integer
type with float double?
Rich
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