From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by sourceware.org (Postfix) with ESMTPS id AABF63858D20 for ; Sat, 5 Feb 2022 06:38:17 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org AABF63858D20 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:subject; bh=TA82JhFKoujJ3RZy94j2pO2ir+Pi4kLG9665rEdttUQ=; b=FVIWLibOHshoZPZkwQK+ssmeWPXfq1TlxfzmNiDeaLlXVT8MUhxfJRDj nHWqCaVMPKlzKr4G0QOXfoEgPiZYdcRgf9Nj1JWnIfFSN9P7RYgPGdo8h n9KIi7utnMiJXUaZgqbeWn+VpyCMT1vk1gHnLP0iOl2ME1ePSjcs7ba89 I=; X-IronPort-AV: E=Sophos;i="5.88,345,1635199200"; d="scan'208";a="5078665" Received: from tomate.loria.fr (HELO tomate) ([152.81.10.51]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2022 07:38:17 +0100 Date: Sat, 05 Feb 2022 07:38:16 +0100 Message-Id: From: Paul Zimmermann To: newlib@sourceware.org Subject: regression in Newlib 4.2.0 (lgammaf) 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_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE 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: newlib@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Newlib mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Feb 2022 06:38:19 -0000 Hi, a third regression in Newlib 4.2.0 for single precision: Checking lgamma with newlib-4.2.0.20211231 MPFR library: 4.1.0 MPFR header: 4.1.0 (based on 4.1.0) Checking function mylgammaf with MPFR_RNDN libm wrong by up to 8.93e+43 ulp(s) for x=-0x1p-70 mylgamma gives inf mpfr_mylgamma gives 0x1.842994p+5 The largest error for lgammaf in Newlib 4.1.0 was 7.50e6 ulps (for x=-0x1.3a7fcap+1). Paul