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 8EEA33858C52 for ; Wed, 4 Oct 2023 11:42:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 8EEA33858C52 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:in-reply-to:subject: references; bh=Z48jX/+VzP5gNmeQDKZ1CE15fKz/SsvOZbWClq0fT5A=; b=Yttb/5apBB+UNQ6mRxlqqqto3rKwQTlX/Izr/zFqKB+dBQU6TfwT3p8F GyRoJIyUXfyHzBfKpyQwUpoqkXoVCwV8a0P91Wq1eLQi7RQLnWMsX4TCv ub1858qhLPDzP5OI5m53m68It77Mat1QpB4GVtPcmvG6aqCUQlurdd2+/ o=; 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@coriandre Received-SPF: SoftFail (mail3-relais-sop.national.inria.fr: domain of Paul.Zimmermann@inria.fr is inclined to not designate 152.81.9.227 as permitted sender) identity=mailfrom; client-ip=152.81.9.227; 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 ip4:128.93.142.0/24 ip4:192.134.164.0/24 ip4:128.93.162.160 ip4:89.107.174.7 mx ~all" Received-SPF: None (mail3-relais-sop.national.inria.fr: no sender authenticity information available from domain of postmaster@coriandre) identity=helo; client-ip=152.81.9.227; receiver=mail3-relais-sop.national.inria.fr; envelope-from="Paul.Zimmermann@inria.fr"; x-sender="postmaster@coriandre"; x-conformance=spf_only X-IronPort-AV: E=Sophos;i="6.03,200,1694728800"; d="scan'208";a="67735472" Received: from coriandre.loria.fr (HELO coriandre) ([152.81.9.227]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Oct 2023 13:42:18 +0200 Date: Wed, 04 Oct 2023 13:42:17 +0200 Message-Id: From: Paul Zimmermann To: Joe Ramsay Cc: libc-alpha@sourceware.org, Joe.Ramsay@arm.com In-Reply-To: <20231004105809.50464-1-Joe.Ramsay@arm.com> (message from Joe Ramsay on Wed, 4 Oct 2023 11:58:09 +0100) Subject: Re: [PATCH] aarch64: Improve vecmath sin routines References: <20231004105809.50464-1-Joe.Ramsay@arm.com> X-Spam-Status: No, score=-2.7 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 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, > * Update ULP comment reflecting a new observed max in [-pi/2, pi/2] for the record the corresponding input is x = 0x1.921d5c6a07142p+0, it would be nice to add it in comment so that people can reproduce the observed error. Also, in [-2^23, 2^23], where the new polynomial is used together with argument reduction, the maximal observed error is 3.224395 ulps for x = 0x1.5702447b6f17bp+22. Paul