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Re: [Chicken-users] llvm-gcc / clang

From: Peter Bex
Subject: Re: [Chicken-users] llvm-gcc / clang
Date: Thu, 2 Dec 2010 19:48:24 +0100
User-agent: Mutt/

On Thu, Dec 02, 2010 at 04:16:21PM +0100, Thomas Chust wrote:
> what about using
>   #include <math.h>
>   [...]
>   if (isnan(x)) ...
> or maybe
>   [...]
>   if (fpclassify(x) == FP_NAN) ...
> instead of a comparison? I would expect the compiler to inline these
> calls and produce equally efficient code as for a comparison operation
> and it might be a bit more portable to do it this way.

This looks nice.  I didn't know about those.  When I looked it up, it
said that both are C99, which leads me to the question: do we have an
"official" standpoint about what C level Chicken needs?

"The process of preparing programs for a digital computer
 is especially attractive, not only because it can be economically
 and scientifically rewarding, but also because it can be an aesthetic
 experience much like composing poetry or music."
                                                        -- Donald Knuth

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