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 9B6FB3858C39 for ; Wed, 3 Nov 2021 16:33:35 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 9B6FB3858C39 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=g079apEnXvha1z/xXlE6+c7UTJA9SYcEnD5aTvtGg3c=; b=dXylFNQ7ykOijrL1ByaGdtV0D0k4eApgiZsTAjDaAmOVNY30TcBOzmY8 jEodDG62hK2bJIbwfF9r4zN/YmNBCUlUfCtJHWD+D7BCDyyqS1zzZYgMI boyVThhF3rfHF+AA+J+0RrPxNrrEV5fVBcoFFbufn/4GDVTvG36eaZdy2 s=; IronPort-Data: =?us-ascii?q?A9a23=3AfZ0xJKPNkClSMXPvrR2NlcFynXyQoLVcMsFnjC/?= =?us-ascii?q?WdQa/1j4lgmMHxmIfCjuAbKvcZmPxeY0ib9iw9xkDuZbVm99gGjLY11k9FiMQ8?= =?us-ascii?q?ZKt6fexdxqrYXvKdqUvdK/WhiknQoGowPscEzmM+X9BDpC79SMljPjQHeKnYAL?= =?us-ascii?q?5EnsZqTFMGX5JZS1Ly7ZRbr5A2bBVMivV0T/Ai5W31GyNh1aYBlkpB5er83uDi?= =?us-ascii?q?hhdVAQw5TTSbdgT1LPXeuJ84Jg3fcldJFOgKmVY83LTegrN8F251juxExYFFtS?= =?us-ascii?q?gm6r2GqEIauePZ07e0zwPA+7/23CupQRruko/HMIVdEMRuTSMmt1rzdxLs7SxT?= =?us-ascii?q?x0oN+vCgozxVjEBQ3wlbPcYkFPACT3l2SCJ9GXCcnHnhvxqFEE/FZYf5/x8DH5?= =?us-ascii?q?H7/FeLyoCBjiYhPq5w6rhYuZpj8UnasLsOesiVttIpd3CJeohRJnfTuPO4sVZ1?= =?us-ascii?q?XE+nKhz8T/lT5JxQVJSgN7oOUUn1o8rNa8D?= IronPort-HdrOrdr: =?us-ascii?q?A9a23=3AIKIdpqtBik2CAlEv3q7HIseX7skDqtV00zEX?= =?us-ascii?q?/kB9WHVpm62j5rmTdZsgtSMc5AxhPE3IuOrwXZVoBEmsl6KdgrNhW4tKPjOJhI?= =?us-ascii?q?LAFugLhrcLmVbbehEWndQttpuIHZIOb+HYPBxfoYLT/BS4euxM/PC3tISFwcrX?= =?us-ascii?q?0nsFd21XQpAlyys8KwqfFCRNLjVuNN4cON6936N8yAadRQ=3D=3D?= X-IronPort-AV: E=Sophos;i="5.87,206,1631570400"; d="scan'208";a="1853926" 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 17:33:30 +0100 Date: Wed, 03 Nov 2021 17:33:29 +0100 Message-Id: From: Paul Zimmermann To: Sunil K Pandey Cc: libc-alpha@sourceware.org In-Reply-To: <20211029204431.61718-3-skpgkp2@gmail.com> (message from Sunil K Pandey via Libc-alpha on Fri, 29 Oct 2021 13:44:29 -0700) Subject: Re: [PATCH 2/4] benchtests: Add expm1f function to bench-math References: <20211029204431.61718-1-skpgkp2@gmail.com> <20211029204431.61718-3-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 16:33:36 -0000 Dear Sunil, > +# Random inputs in [a=-0x2.56e110e4641c4p+4,b=0x2.c5c85fdf473ep+8] > +# where a is the smallest number such that expm1 does not round to -1 > +# and b is the smallest number such that expm1 rounds to +Inf (to nearest) this comment seems wrong. For single precision (and rounding to nearest) the smallest number such that expm1 does not round to -1 is -0x1.154244p+4 if I'm correct, and the largest number such that expm1 does *not* round to +Inf is b=0x1.62e42ep6. Paul