From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (from majordomo@localhost) by pauillac.inria.fr (8.7.6/8.7.3) id TAA26851; Fri, 8 Jun 2001 19:09:13 +0200 (MET DST) X-Authentication-Warning: pauillac.inria.fr: majordomo set sender to owner-caml-list@pauillac.inria.fr using -f Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id TAA26375 for ; Fri, 8 Jun 2001 19:09:12 +0200 (MET DST) Received: from beaune.inria.fr (beaune.inria.fr [128.93.8.3]) by nez-perce.inria.fr (8.11.1/8.10.0) with ESMTP id f58H9BL23786 for ; Fri, 8 Jun 2001 19:09:12 +0200 (MET DST) Received: by beaune.inria.fr (8.8.8/1.1.22.3/14Sep99-0328PM) id TAA0000006399; Fri, 8 Jun 2001 19:09:11 +0200 (MET DST) Date: Fri, 8 Jun 2001 19:09:11 +0200 (MET DST) From: Damien Doligez Message-Id: <200106081709.TAA0000006399@beaune.inria.fr> To: caml-list@inria.fr Subject: Re: [Caml-list] interfacing C with Ocaml (beginner questions) Sender: owner-caml-list@pauillac.inria.fr Precedence: bulk >From: francois bereux >I found a Double_val macro, but no Val_double. What is the solution ? You must use copy_double (which will do the allocation) because floating-point values are boxed in O'Caml. >value add(value x, value y) >{ > CAMLparam2(x,y); > return Val_int(Int_val(x)+Int_val(y)); >} This is wrong. You must use CAMLreturn. -- Damien ------------------- Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr