From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from xry111.site (xry111.site [89.208.246.23]) by sourceware.org (Postfix) with ESMTPS id 5B35C3858C5F for ; Fri, 2 Feb 2024 07:53:57 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 5B35C3858C5F Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=xry111.site Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=xry111.site ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 5B35C3858C5F Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=89.208.246.23 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706860438; cv=none; b=pIPk2Mi3Si9tuNjd1CHg331yEjrVPoohb6q/xtTDOlmTW/PASpfPy2cegLOXBBJc29vdIniq6aW3QKp9TlEjTum86IPQGTaSvkVqnIA6Qph/dog9TRU/p0eX9R7xrbw2yDI6P8MpcKnJDXl49Lyh54U5yHEF2ycDcjX+L4hz13k= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1706860438; c=relaxed/simple; bh=vrm+Agl80ki0+Cy29WT8EnjYe2UoMGVdNgawGqOFpZ4=; h=DKIM-Signature:Message-ID:Subject:From:To:Date:MIME-Version; b=GOTL07FfHXfcRlrB0nKpo4o2oITJPjXVA6kQmQWiPjaAghqLLecWboAa+jvgJOs6f4jabFuqNx7InV0VGNoB+02nIj7EmoZlHyejqIUmZdrdr2qJopRo8vCEoLkYKx3JjNaqop8VwMGYuJfQp71P04Y3gJM/ohpXw7oGcVvjyC8= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1706860436; bh=vrm+Agl80ki0+Cy29WT8EnjYe2UoMGVdNgawGqOFpZ4=; h=Subject:From:To:Date:In-Reply-To:References:From; b=N/az2sEdZuHiDmxB9EoYf2gBbKydxoT3aDlYhG3OWa7AWsx/5I9LrJ5ScfZg5Xts3 AQK+YYQon+FSSKnD85wACLFTuKNFfvif8Z0ekVuwBDVxoiVaczVd4nHoKD4ihZZjrJ 6ipr6v8hVcl2VdFImMKFO0X0KzBErd1/Zn8FvRJY= Received: from [IPv6:240e:358:11d4:5700:dc73:854d:832e:4] (unknown [IPv6:240e:358:11d4:5700:dc73:854d:832e:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-384)) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id D1C9B66FF7; Fri, 2 Feb 2024 02:53:54 -0500 (EST) Message-ID: Subject: Re: state of the ports From: Xi Ruoyao To: "Andreas K. Huettel" , libc-alpha@sourceware.org Date: Fri, 02 Feb 2024 15:53:51 +0800 In-Reply-To: <957b010883ee318d61b64ed22afcb2d743fe1fc6.camel@xry111.site> References: <4155299.iIbC2pHGDl@noumea> <957b010883ee318d61b64ed22afcb2d743fe1fc6.camel@xry111.site> Autocrypt: addr=xry111@xry111.site; prefer-encrypt=mutual; keydata=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 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.3 MIME-Version: 1.0 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,LIKELY_SPAM_FROM,SPF_HELO_PASS,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Fri, 2024-02-02 at 15:51 +0800, Xi Ruoyao wrote: > On Fri, 2024-02-02 at 03:35 +0100, Andreas K. Huettel wrote: > > mips (n64) > > =C2=A0- mostly math failures >=20 > They are some sort of 2 ulp vs expected 1 ulp things.=C2=A0 I'm not yet s= ure > if they are hardware issues or Glibc bugs. Something like: testing double (without inline functions) Failure: Test: j0 (0x4.130e7p+4) Result: is: -1.0474906594151864e-04 -0x1.b759740016860p-14 should be: -1.0474906594151868e-04 -0x1.b759740016863p-14 difference: 4.0657581468206416e-20 0x1.8000000000000p-65 ulp : 3.0000 max.ulp : 2.0000 Maximal error of `j0' is : 3 ulp accepted: 2 ulp Failure: Test: j0_downward (0xa.5b833p+4) Result: is: 1.4785400727226293e-05 0x1.f01da00ab51d1p-17 should be: 1.4785400727226283e-05 0x1.f01da00ab51cbp-17 difference: 1.0164395367051604e-20 0x1.8000000000000p-67 ulp : 6.0000 max.ulp : 5.0000 Maximal error of `j0_downward' is : 6 ulp accepted: 5 ulp Failure: Test: j0_towardzero (0xa.5b833p+4) Result: is: 1.4785400727226271e-05 0x1.f01da00ab51c4p-17 should be: 1.4785400727226283e-05 0x1.f01da00ab51cbp-17 difference: 1.1858461261560204e-20 0x1.c000000000000p-67 ulp : 7.0000 max.ulp : 6.0000 Maximal error of `j0_towardzero' is : 7 ulp accepted: 6 ulp Test suite completed: 212 test cases plus 208 tests for exception flags and 208 tests for errno executed. 6 errors occurred. I'm really not an expert in numerical analysis. Any pointer to debug such a thing further? --=20 Xi Ruoyao School of Aerospace Science and Technology, Xidian University