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Re: [Chicken-hackers] Single-precision doubles


From: felix winkelmann
Subject: Re: [Chicken-hackers] Single-precision doubles
Date: Mon, 9 Oct 2006 11:22:40 +0200

On 10/8/06, Zbigniew <address@hidden> wrote:
It's amazing, but it's true--on some embedded systems, doubles and
floats are both 32 bits.  In this case, the flonum size and tag
constants don't agree with the actual constructed flonum, because the
constants aren't based on sizeof(double).  The first patch
(runtime-basic-flonum.diff) fixes the issue and is probably safe to
apply, though not useful to a general audience.   Sorry it's not a
unified diff; it modifies C_flonum and C_number in runtime.c.


Thanks for the patches, Zbigniew. I'll postpone them until 2.5 is
released, but will incorporate them once that has been done.


cheers,
felix


--
http://galinha.ucpel.tche.br:8081/blog/blog.ssp




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