From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) by sourceware.org (Postfix) with ESMTPS id 91D17385840A for ; Wed, 3 Nov 2021 17:07:50 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 91D17385840A Authentication-Results: sourceware.org; dmarc=none (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=wdcr0LXmqDgXWKUrs7SfnDDNOvDAtNHzhPeK9uYrap4=; b=DhuGHDjyEvLJoyqPbcwJKYJRdkOSrdwvRiP9KnyTN3sv413Quy8mDNHZ VBZuiOr2D9cszeNtjGqOzp9aPyHOTTKBu59UCbr9zsdTHPgnga1bL9trw GuXp50gHtpQE8ooAmYeSkwJB5Fyjopnub+uds5T7R+I9o5NnoTfV9UtQD k=; IronPort-Data: =?us-ascii?q?A9a23=3A59eXYKk+koDk5WlqQmzQJYvo5gyoJERdPkR7XQ2?= =?us-ascii?q?eYbTBsI5bpzMDyTMeUWiAb6zcYTT0KYonPN+zoUgOsJeByoNkTwds+CA2RRqmi?= =?us-ascii?q?+KVXIXDdh+Y0wC6d5CYEho/t63yUjRxRSwNZie0SiyFb/6x8hGQ6YnSHuClUbe?= =?us-ascii?q?cYXgqLeNZYHxJZSxLyrdRbrFA0YDR7zOl4bsekuWHULOX82Yc3lE8t8pvnChSU?= =?us-ascii?q?MHa41v0iLCRicdj5zcyn1FNZH4WyDrYw3HQGuG4FcbiLwrPIS3Qw4/Xw/stIov?= =?us-ascii?q?NfrfTbkoPS6LfVeSMoiMLAe7y214b/mpvi87XN9JFAatTow2AgtQ3+tRIsJGqT?= =?us-ascii?q?A4vOIXNnv4cWl9WCUmSOIUfqOGffiXh2SCU5wicG5f2+N1qDUs9eIQc4uZ+KXp?= =?us-ascii?q?J6OYTJS8EdB3FgPi5qJqgSfFjhdx5BMbuNYIb/HpnyFnk4VwOKXzYa7nN4NZE0?= =?us-ascii?q?XE0gdpPFLDQfaIkhfNUREyoS3Vy1p0/UfrSRNuVu0Q=3D?= IronPort-HdrOrdr: =?us-ascii?q?A9a23=3A1PYRNKj/SY2PG2LzbZXNGCs0f3BQXtEji2hC?= =?us-ascii?q?6mlwRA09TyXqrbHLoB19726QtN9xYgBDpTnuAse9qB/nmaKdpLNhXotKPzOHhI?= =?us-ascii?q?LLFu5fBOLZqlXd8m/Fm9K1vp0KT0ERMrfN5BRB7PrH3A=3D=3D?= X-IronPort-AV: E=Sophos;i="5.87,206,1631570400"; d="scan'208";a="1860756" Received: from tomate.loria.fr (HELO tomate) ([152.81.10.51]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Nov 2021 18:07:50 +0100 Date: Wed, 03 Nov 2021 18:07:49 +0100 Message-Id: From: Paul Zimmermann To: Sunil K Pandey Cc: libc-alpha@sourceware.org In-Reply-To: <20211029171941.4161172-10-skpgkp2@gmail.com> (message from Sunil K Pandey via Libc-alpha on Fri, 29 Oct 2021 10:19:38 -0700) Subject: Re: [PATCH 09/12] benchtests: Add erff function to bench-math References: <20211029171941.4161172-1-skpgkp2@gmail.com> <20211029171941.4161172-10-skpgkp2@gmail.com> 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_H2, SPF_HELO_NONE, SPF_PASS, 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-List-Received-Date: Wed, 03 Nov 2021 17:07:52 -0000 Dear Sunil, > +# Random inputs in [0,b=0x5.ebed23725989cp+0] > +# where b is the smallest number such that erf(b) rounds to 1 (to nearest) this comment does not seem to be correct. I find b=0x1.f5a888p1 for the largest binary32 number such that erf(b) does not round to 1 (to nearest) > +0x1.351946p+2 this value (like plenty others) yields erf(x) = 1, which is not very interesting. Paul