From: Matthieu Dubuget <matthieu.dubuget@gmail.com>
To: caml-list@inria.fr
Subject: Re: [Caml-list] CAMLreturn does not work for floats between 0 and 1 ?
Date: Fri, 16 Feb 2007 17:20:44 +0100 [thread overview]
Message-ID: <45D5D9DC.8050704@laposte.net> (raw)
In-Reply-To: <98085E4A-B42B-4570-90DC-842ABA89F5D6@epfl.ch>
Daniel Bünzli a écrit :
>
> Le 16 févr. 07 à 15:46, Matthieu Dubuget a écrit :
>
>> I'm sure I'm doing something bad. But I can't find out where?
>
> CAMLreturn and CAMLparam0 macros are used in functions that are called
> from ocaml land and return a value in ocaml land. You should not use
> them for your functions called in C land and returning a value in C
> land (see section 18.7.2 of the manual).
OK. Thanks. But this is not all clear for me.
Suppose that I have to construct one or more value(s) to pass them to
OCaml land. I do have to use CAMLlocal macros for that, don't I.
Can use them without CAMLparam and CAMLreturn macros?
Salutations
Matt
next prev parent reply other threads:[~2007-02-16 16:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-16 14:46 Matthieu Dubuget
2007-02-16 15:09 ` [Caml-list] " Daniel Bünzli
2007-02-16 16:20 ` Matthieu Dubuget [this message]
2007-02-16 17:02 ` Mathias Kende
2007-02-16 17:07 ` Daniel Bünzli
2007-02-16 19:19 ` Matthieu Dubuget
2007-02-16 22:28 ` Daniel Bünzli
2007-02-17 0:30 ` Jacques Garrigue
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