From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: caml-list@sympa.inria.fr Delivered-To: caml-list@sympa.inria.fr Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by sympa.inria.fr (Postfix) with ESMTPS id 6C1547F0A3 for ; Wed, 2 Sep 2015 20:36:35 +0200 (CEST) IronPort-PHdr: 9a23:EM1FwxD365uyloXW3n8HUyQJP3N1i/DPJgcQr6AfoPdwSP7yp8bcNUDSrc9gkEXOFd2CrakU16yO6eu5AzxIyK3CmU5BWaQEbwUCh8QSkl5oK+++Imq/EsTXaTcnFt9JTl5v8iLzG0FUHMHjew+a+SXqvnYsExnyfTB4Ov7yUtaLyZ/ni6bqodaKOVUArQH+SI0xBS3+lR/WuMgSjNkqAYcK4TyNnEF1ff9Lz3hjP1OZkkW0zM6x+Jl+73YY4Kp5pIZoGJ/3dKUgTLFeEC9ucyVsvJWq5lH/Sl6m4HcGX2wN2iBPGBPP4Qv1FsPrtTDhvOdn1wGfJcyzVq8vHzO44PE4ZgXvjXIrPjg4/WXgoFh2nqZa6Eatrhp+zoqSapyYMuh6f4vQZ8kTWWtYQ8sXXCwXUdD0VJcGE+dUZbUQlIL6vVZb6ELmXQQ= Authentication-Results: mail2-smtp-roc.national.inria.fr; spf=None smtp.pra=daniel.buenzli@erratique.ch; spf=None smtp.mailfrom=daniel.buenzli@erratique.ch; spf=None smtp.helo=postmaster@smtp.webfaction.com Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of daniel.buenzli@erratique.ch) identity=pra; client-ip=74.55.86.74; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="daniel.buenzli@erratique.ch"; x-sender="daniel.buenzli@erratique.ch"; x-conformance=sidf_compatible Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of daniel.buenzli@erratique.ch) identity=mailfrom; client-ip=74.55.86.74; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="daniel.buenzli@erratique.ch"; x-sender="daniel.buenzli@erratique.ch"; x-conformance=sidf_compatible Received-SPF: None (mail2-smtp-roc.national.inria.fr: no sender authenticity information available from domain of postmaster@smtp.webfaction.com) identity=helo; client-ip=74.55.86.74; receiver=mail2-smtp-roc.national.inria.fr; envelope-from="daniel.buenzli@erratique.ch"; x-sender="postmaster@smtp.webfaction.com"; x-conformance=sidf_compatible X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0BIAQCeQOdVnEpWN0pDGoNvaYMjvCqFewKBdhABAQEBAQEBARABAQEBAQYNCQkhLoIdggcBAQMBI1YFCwsaAiYCAkcQBhuIHggECTu1cZR6AQEIAiCBIopMhFgzB4JpL4EUBZVJhQeJf4ZZD5F3hCdwAYJMAQEB X-IPAS-Result: A0BIAQCeQOdVnEpWN0pDGoNvaYMjvCqFewKBdhABAQEBAQEBARABAQEBAQYNCQkhLoIdggcBAQMBI1YFCwsaAiYCAkcQBhuIHggECTu1cZR6AQEIAiCBIopMhFgzB4JpL4EUBZVJhQeJf4ZZD5F3hCdwAYJMAQEB X-IronPort-AV: E=Sophos;i="5.17,455,1437429600"; d="scan'208";a="175793090" Received: from mail6.webfaction.com (HELO smtp.webfaction.com) ([74.55.86.74]) by mail2-smtp-roc.national.inria.fr with ESMTP; 02 Sep 2015 20:36:34 +0200 Received: from [192.168.2.3] (cpc16-cmbg14-2-0-cust300.5-4.cable.virginm.net [86.6.157.45]) by smtp.webfaction.com (Postfix) with ESMTP id 9D04020DF2D7; Wed, 2 Sep 2015 18:36:00 +0000 (UTC) Date: Wed, 2 Sep 2015 19:35:56 +0100 From: =?utf-8?Q?Daniel_B=C3=BCnzli?= To: Andreas Rossberg Cc: Ocaml Mailing List Message-ID: In-Reply-To: <1D9E71FC-1C39-4655-9258-1F2CB85BAF3D@mpi-sws.org> References: <1D9E71FC-1C39-4655-9258-1F2CB85BAF3D@mpi-sws.org> X-Mailer: sparrow 1.6.4 (build 1178) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Subject: Re: [Caml-list] NaN reresentations Le mercredi, 2 septembre 2015 =C3=A0 18:56, Andreas Rossberg a =C3=A9crit : > Does the Ocaml implementation make guarantees about the stable representa= tion of floats? In particular, if I use Int64.float_of_bits to create a par= ticular NaN representation, am I guaranteed that its bit pattern is maintai= ned no matter where the value is stored or passed? I don't remember exactly but I think there may be issues with marshaling. A= quick search with in the bt leads to:=20=20 http://caml.inria.fr/mantis/view.php?id=3D5038 But there may be other to look at.=20=20 Best, Daniel