From patchwork Wed Jan 19 15:43:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sunil Pandey X-Patchwork-Id: 50237 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 92B893857C73 for ; Wed, 19 Jan 2022 15:44:12 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 92B893857C73 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1642607052; bh=YJ18cQBIMTlGuaG5M4VYio0juc+PEXbFvoAyltJxQFs=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=DQM3gQzo6fjPKmuCIwobgjZFOraRgI5XYTfmzfIeuf8QlyIINzo5bw8brR7yYYjry KclCiJp8wfJXGyvUSCYGYHtKkGf61k1EhZCf4bClHVpxN/HW9DDRJbU9QDtJXyoIW1 +UXw3otiy6qzxKTYGXvTqlsa8LXjJK8+g7dnuJ54= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by sourceware.org (Postfix) with ESMTPS id 7CDB7385841B for ; Wed, 19 Jan 2022 15:43:51 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 7CDB7385841B X-IronPort-AV: E=McAfee;i="6200,9189,10231"; a="232457802" X-IronPort-AV: E=Sophos;i="5.88,299,1635231600"; d="scan'208";a="232457802" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Jan 2022 07:43:49 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,299,1635231600"; d="scan'208";a="764980972" Received: from scymds01.sc.intel.com ([10.148.94.138]) by fmsmga006.fm.intel.com with ESMTP; 19 Jan 2022 07:43:49 -0800 Received: from gskx-1.sc.intel.com (gskx-1.sc.intel.com [172.25.149.211]) by scymds01.sc.intel.com with ESMTP id 20JFhmLO030851; Wed, 19 Jan 2022 07:43:48 -0800 To: libc-alpha@sourceware.org Subject: [PATCH v2] x86_64: Document libmvec vector functions accuracy [BZ #28766] Date: Wed, 19 Jan 2022 07:43:48 -0800 Message-Id: <20220119154348.1791599-1-skpgkp2@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-8.1 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, 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+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" Document maximum 4 ulps accuracy for x86_64 libmvec functions. This fixes BZ #28766. Reviewed-By: Paul Zimmermann --- manual/math.texi | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/manual/math.texi b/manual/math.texi index e00871c303..477a18b6d1 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 the x86_64 libmvec library have a maximum error +of 4 ulps. @page @c This multitable does not fit on a single page