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m : mit-scheme-devel@gnu.org 20 June 2011 • 12:06AM -0400

Re: [MIT-Scheme-devel] Ubuntu 11.04 and FE_DFL_ENV.
by Matt Birkholz

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> From: Taylor R Campbell <campbell@mumb...>
> Date: Sun, 19 Jun 2011 02:13:56 +0000
>
> [...]
>
>    It would be more cool if floenv.scm set up the machine with a default
>    environment, via libc.  It would be more "portable" (modulo
>    portabilitatedness of fenv.h), no?
>
> I don't understand.  Can you elaborate?  We already use libc to
> control the floating-point environment if we can, and only fall back
> to machine-specific code if we can't.

Yes, sorry.  "More cool" was calling flo:set-environment! (libc) in
savres.scm and make.scm, and removing the (non-libc) fpu inits.  Less
cool was "just mask DENORM".  The former seems more portabicklish,
assuming fenv.h is not a stranger to most.

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