From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by sourceware.org (Postfix) with ESMTPS id 9B721385483C for ; Thu, 25 Feb 2021 10:27:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 9B721385483C Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=inria.fr Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=Paul.Zimmermann@inria.fr X-IronPort-AV: E=Sophos;i="5.81,205,1610406000"; d="scan'208";a="494839661" Received: from salade.loria.fr (HELO salade) ([152.81.10.50]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Feb 2021 11:27:46 +0100 Date: Thu, 25 Feb 2021 11:27:46 +0100 Message-Id: From: Paul Zimmermann To: Adhemerval Zanella Cc: libc-alpha@sourceware.org In-Reply-To: <4d793063-e1a0-5106-23d8-65fd2d5c52cb@linaro.org> (message from Adhemerval Zanella on Wed, 24 Feb 2021 15:59:35 -0300) Subject: Re: Fix the inaccuracy of j0f/y0f/j1f/y1f References: <4d793063-e1a0-5106-23d8-65fd2d5c52cb@linaro.org> X-Spam-Status: No, score=-3.0 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Feb 2021 10:27:49 -0000 Dear Adhemerval, > I have checked your set on different architectures [...] thank you, I can reproduce the failures on the GCC compile farm. So far it is just due to some ranges around zeroes that are too narrow. I guess it is due to the fact that computations on x86_64 are done using double extended precision. Btw is there a way to disable that when building glibc? Paul