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C Interface and float record
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Date: -- (:)
From: Christophe TROESTLER <Christophe.Troestler+ocaml@u...>
Subject: Re: [Caml-list] C Interface and float record
On Tue, 16 Jun 2009 10:40:31 +0200, Christoph Bauer wrote:
> 
> type t = {
>    f1 : float;
>    f2 : float;
>    f3 : float;
> }
> 
> and a external C-function should allocate this as for the result.
> 
> Do I have to use
> 
>    caml_alloc(6, Double_array_tag)

caml_alloc(3 * Double_wosize, Double_array_tag)

would be better (portable between 32 and 64 bits).

C.