From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 DC66C3858D32 for ; Mon, 29 Aug 2022 10:50:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org DC66C3858D32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=inria.fr Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=inria.fr DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inria.fr; s=dc; h=date:message-id:from:to:cc:subject; bh=8ZRzt8q5V0cItu/jc+79IB8uBPLWWXuC8LrSOSF9QNU=; b=JOgaKvXMoMTfwsbqRdG3l9Qz5gYo7jFb/lciberr47had8DK/Xaxg6qv 3I54ycGFxbAX7Ke25791Doj8lAxZkKpJXN1ZO5bzx1xXzo1mgbrLKeSlu A1NG3Lxs2+rwL3x8RZm7sMNk6PCElrys6av3udssNd+e+PXbVLaaUPPs3 E=; Authentication-Results: mail3-relais-sop.national.inria.fr; dkim=none (message not signed) header.i=none; spf=SoftFail smtp.mailfrom=Paul.Zimmermann@inria.fr; spf=None smtp.helo=postmaster@tomate 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="22311336" 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 12:50:14 +0200 Date: Mon, 29 Aug 2022 12:50:13 +0200 Message-Id: From: Paul Zimmermann To: newlib@sourceware.org CC: vincenzo.innocente@cern.ch Subject: Accuracy of Mathematical Functions X-Spam-Status: No, score=-3.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi, we have updated our comparison: https://members.loria.fr/PZimmermann/papers/accuracy.pdf This update uses the same release of Newlib (4.2.0) as the previous one, thus there is no much new for Newlib. The single precision issues are still there (see "Notes about Newlib" on page 3). 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. Best regards, Paul