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List:       sbcl-devel
Subject:    Re: [Sbcl-devel] additions to SB-ALIEN from SB-SYS
From:       Gabriel Dos Reis <gdr () integrable-solutions ! net>
Date:       2009-11-22 17:46:34
Message-ID: 206fcf960911220946v5517b760qd995439c428629a6 () mail ! gmail ! com
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On Fri, Nov 20, 2009 at 12:58 PM, Nikodemus Siivola
<nikodemus@random-state.net> wrote:
> 2009/11/20 Nathan Froyd <froydnj@gmail.com>:
>> On Fri, Nov 20, 2009 at 1:24 PM, Nikodemus Siivola
>> <nikodemus@random-state.net> wrote:
>>> I've long labored under the mistaken impression that SB-SYS was a
>>> semi-public package. It's not. We clearly document it as private --
>>> but it _does_ contain a lot of stuff that IMO should be public.
>>>
>>> To start untangling it, I propose to export the following symbols from SB-ALIEN:
>>
>> I think these make sense (a little skeptical about VECTOR-SAP and
>> WITH-PINNED-OBJECTS), but I'm curious for the reasoning behind:
>
> VECTOR-SAP is how you pass eg. arrays of floats to C efficiently --
> and to do it safely you need WITH-PINNED-OBJECTS. There might be
> better places to export them from, but I do think we should export
> them.

yes; I've been relying on these for a while and it would be disaster if they
suddenly disappear behind a private curtain without equivalent replacements.

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