From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS17314 8.43.84.0/22 X-Spam-Status: No, score=-3.7 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,RDNS_DYNAMIC,SPF_HELO_PASS,SPF_PASS, T_SCC_BODY_TEXT_LINE shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (ip-8-43-85-97.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id 382D01F54E for ; Mon, 29 Aug 2022 10:42:35 +0000 (UTC) Authentication-Results: dcvr.yhbt.net; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.b="m7dVRp+6"; dkim-atps=neutral Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 3D6B63858D3C for ; Mon, 29 Aug 2022 10:42:26 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3D6B63858D3C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1661769746; bh=SAf0F+ok7lBYHLhi44Uw8EeL1/pOL6iwoKC5yLuumZ0=; h=Date:To:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=m7dVRp+6S+w9VfT3A3FN+0H6qvjtY/GX+tBg4T6M+PRr4bN6OhnZVa4qZ/dbywxHQ mkN7EDA/TkzuNEGblI9TX0CBRiA7VyngR63/BUjO0MGS06F3XSvlUQHkFctYBpmMCO uJykp/4TkTkpoMMLUirk+MkV1q95QdO/C/Go1wVw= Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by sourceware.org (Postfix) with ESMTPS id DD9303858D32 for ; Mon, 29 Aug 2022 10:41:57 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org DD9303858D32 Received-SPF: SoftFail (mail3-relais-sop.national.inria.fr: domain of Paul.Zimmermann@inria.fr is inclined to not designate 152.81.10.51 as permitted sender) identity=mailfrom; client-ip=152.81.10.51; receiver=mail3-relais-sop.national.inria.fr; envelope-from="Paul.Zimmermann@inria.fr"; x-sender="Paul.Zimmermann@inria.fr"; x-conformance=spf_only; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:192.134.164.0/24 mx ~all" Received-SPF: None (mail3-relais-sop.national.inria.fr: no sender authenticity information available from domain of postmaster@tomate) identity=helo; client-ip=152.81.10.51; receiver=mail3-relais-sop.national.inria.fr; envelope-from="Paul.Zimmermann@inria.fr"; x-sender="postmaster@tomate"; x-conformance=spf_only X-IronPort-AV: E=Sophos;i="5.93,272,1654552800"; d="scan'208";a="22310802" Received: from tomate.loria.fr (HELO tomate) ([152.81.10.51]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Aug 2022 12:41:52 +0200 Date: Mon, 29 Aug 2022 12:41:51 +0200 Message-Id: To: libc-alpha@sourceware.org Subject: Accuracy of Mathematical Functions 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: , From: Paul Zimmermann via Libc-alpha Reply-To: Paul Zimmermann Cc: vincenzo.innocente@cern.ch Errors-To: libc-alpha-bounces+e=80x24.org@sourceware.org Sender: "Libc-alpha" Hi, we have updated our comparison after the glibc 2.36 release: https://members.loria.fr/PZimmermann/papers/accuracy.pdf Not much improvement for glibc with respect to 2.35. The main change is that the LLVM library now implements a few correctly-rounded routines in single precision (log, log10, log2, hypot), and hypot in double precision. Paul Zimmermann