From patchwork Tue Mar 5 16:12:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alejandro Colomar X-Patchwork-Id: 1908337 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=J/cU3G4E; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=server2.sourceware.org; envelope-from=libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org; receiver=patchwork.ozlabs.org) Received: from server2.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 ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Tq0vx6B6Tz23cw for ; Wed, 6 Mar 2024 03:12:45 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 9E3F83858294 for ; Tue, 5 Mar 2024 16:12:43 +0000 (GMT) X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by sourceware.org (Postfix) with ESMTPS id 0EA243858D20 for ; Tue, 5 Mar 2024 16:12:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 0EA243858D20 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=kernel.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=kernel.org ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 0EA243858D20 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2604:1380:4641:c500::1 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709655144; cv=none; b=GaPrJ4iBuGlfWyfl/K2xT9d387SnYflm4ph+FkVX7aTyMJINjP4bigxFwt+pxME5+cUWosyzbvg6O/mfQhk890IEY5Oe/8eGdUrjDgOMrHwHMSBYQL+PfP1NM4WPPA3G+SMtmaXC2YMnhRn1ZroVsOcSyWhUkRuYXt0+EcETRVY= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1709655144; c=relaxed/simple; bh=NQl2nrB3saJ5GJJzPeHv9+MV52N8js3bgBPkfZVoKR0=; h=DKIM-Signature:Date:From:To:Subject:Message-ID:MIME-Version; b=Stmd/E+yFnVhTYG0rSoDw80XZLgHBii/mr7dqvvmp9C56W7U2Za5fR+VGOacXOF3Ru31vOZMMmTIVZp662lyh341pTV6Z6dr+9zU57SgB7DEEWjlRZWvFulHXZimgHl/tetU12tI+FrZ1E0CZkwo0gGR+GbRbsqkvTa0PKjnqOI= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id AE8AB615EF; Tue, 5 Mar 2024 16:12:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 336C0C433C7; Tue, 5 Mar 2024 16:12:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1709655142; bh=NQl2nrB3saJ5GJJzPeHv9+MV52N8js3bgBPkfZVoKR0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=J/cU3G4EDuUPdJ0Mkmdz6w+BGtZtdhMFYBZGp5ol0R66LK/TTThW5waUIoyznCq++ riOB7yq3e9xQUnyDmCLke5/5eKI9oCPMhKdEYuB4GUKu4hXrx831C3jbvQ2OQdmsVK J5iZBf/jdFhkDLYQHjdJUgiq9CKMkXCvUP1WmwGKR8VOYw/TPxvqQKr6PErIRtqIZ/ qZLF/ILUG/skBAneq6y0EmpyafTgqtNfBXA2u2CM3XP91O9fisN1R15Br4GettSsy9 DG3c1fu555tSx7REdfzK5c+Zf4LQSghQKuvCFSfsHcDvHDHubfRGMMhlrZp3fj3yi5 Ag4t75eIBEf2w== Date: Tue, 5 Mar 2024 17:12:19 +0100 From: Alejandro Colomar To: libc-alpha@sourceware.org Cc: Alejandro Colomar , Morten Welinder , Vincent Lefevre , Adhemerval Zanella Netto Subject: [PATCH v2 0/3] manual/math.texi: logb(3) and cbrt(3) fixes Message-ID: <20240305161213.14364-1-alx@kernel.org> X-Mailer: git-send-email 2.43.0 References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, 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 X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces+incoming=patchwork.ozlabs.org@sourceware.org Hi, I've merged these patches into a single patch set. v2: - Remove spurious parenthesis. [Vincent] - Add patch 2/3, saying logb(x) isn't exactly the same as floor(log2(fabs(x))). [Vincent] Have a lovely day! Alex Alejandro Colomar (3): manual: logb(x) is floor(log2(fabs(x))) manual: floor(log2(fabs(x))) has rounding errors manual: Cube roots are rarely representable manual/math.texi | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)