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Re: [PATCH] New division operators, and optimization for fractions


From: Mark H Weaver
Subject: Re: [PATCH] New division operators, and optimization for fractions
Date: Mon, 14 Feb 2011 13:17:32 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)

Ken Raeburn <address@hidden> writes:

> On Feb 12, 2011, at 06:55, Andy Wingo wrote:
>> Regarding multiple values: instead of unpacking values objects (ugh),
>> can you instead make versions of _divide that return two values
>> directly, as output arguments?
>
> Or maybe a function returning a struct of two SCM fields (or a single
> array-of-2 field)?

I believe the main motivation for avoiding values objects is to avoid
heap allocation, which your idea would also require.

    Best,
     Mark



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