From patchwork Tue Jan 18 17:33:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sunil Pandey X-Patchwork-Id: 1581446 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=hg/7xx+X; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4JdbVZ1yLdz9s9c for ; Wed, 19 Jan 2022 04:34:14 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 39963385802C for ; Tue, 18 Jan 2022 17:34:09 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 39963385802C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1642527249; bh=7Nx9MSp14nPTd+L6N/6fxbBgkzg+DJ0q7Jb7maKQZzM=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=hg/7xx+XeBhdaB//054aiB+H8tEsTv2GqruamwVLvoBuDxWUGm8HiYR+y/oWSwwAy 5yxbKicTTCdw7OUxDs5S7EOBnc10zlPlVVbQk0/QMPfvvHtGkqYCjAePa3Ho3Bg42h gVAwzCRqmMLoD9YcfFq5gzxfssMJo6DKmg1eXTAo= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by sourceware.org (Postfix) with ESMTPS id D919F3864804 for ; Tue, 18 Jan 2022 17:33:09 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org D919F3864804 X-IronPort-AV: E=McAfee;i="6200,9189,10230"; a="269254329" X-IronPort-AV: E=Sophos;i="5.88,297,1635231600"; d="scan'208";a="269254329" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jan 2022 09:33:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,297,1635231600"; d="scan'208";a="531888483" Received: from scymds02.sc.intel.com ([10.82.73.244]) by orsmga008.jf.intel.com with ESMTP; 18 Jan 2022 09:33:08 -0800 Received: from gskx-1.sc.intel.com (gskx-1.sc.intel.com [172.25.149.211]) by scymds02.sc.intel.com with ESMTP id 20IHX81Q023543; Tue, 18 Jan 2022 09:33:08 -0800 To: libc-alpha@sourceware.org Subject: [PATCH] x86_64: Document libmvec vector functions accuracy [BZ #28766] Date: Tue, 18 Jan 2022 09:33:08 -0800 Message-Id: <20220118173308.1758560-1-skpgkp2@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, FORGED_GMAIL_RCVD, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, GIT_PATCH_0, HK_RANDOM_ENVFROM, HK_RANDOM_FROM, KAM_DMARC_NONE, KAM_DMARC_STATUS, NML_ADSP_CUSTOM_MED, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_SOFTFAIL, SPOOFED_FREEMAIL, SPOOF_GMAIL_MID, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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-Patchwork-Original-From: Sunil K Pandey via Libc-alpha From: Sunil Pandey Reply-To: Sunil K Pandey Cc: andrey.kolesov@intel.com, marius.cornea@intel.com Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Sender: "Libc-alpha" Document maximum 4 ulps accuracy for x86_64 libmvec functions. This fixes BZ #28766. --- manual/math.texi | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/manual/math.texi b/manual/math.texi index e00871c303..53b196bb6d 100644 --- a/manual/math.texi +++ b/manual/math.texi @@ -1395,8 +1395,9 @@ The table lists the ULP values for different architectures. Different architectures have different results since their hardware support for floating-point operations varies and also the existing hardware support is different. Only the round-to-nearest rounding mode is covered by -this table, and vector versions of functions are not covered. -Functions not listed do not have known errors. +this table. Functions not listed do not have known errors. Vector +versions of functions in x86_64 libmvec library have the maximum error +of 4ulps. @page @c This multitable does not fit on a single page