From patchwork Fri May 1 22:18:03 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Myers X-Patchwork-Id: 467151 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 00C7C140308 for ; Sat, 2 May 2015 08:18:17 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=pass reason="1024-bit key; unprotected key" header.d=sourceware.org header.i=@sourceware.org header.b=q2LpiFmA; dkim-adsp=none (unprotected policy); dkim-atps=neutral DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:mime-version :content-type; q=dns; s=default; b=LkBNGLuZ3ZZbC31QrIe3BdXUAC1rY ioa7IXOcJD+RMRNpuJMyYzZoEpNxhv+9jq5cn1s4jvqd/of9VBPqufHcWNfqdnTW ztAXWfWvVYpX7wgPVRgIb3iBYBRwJJSixFV7hkUKLDZ1/E9JKUyLSSFL69PzkMET TT/UJYb1+Sost0= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:mime-version :content-type; s=default; bh=DOvFjrmGlyHrkJ5duFJUGCYtxw8=; b=q2L piFmA3iGJR0TVVe9hdtmm0MlFyyr8X8HwLlNB1Gkb0WhjWJiYrVnkM7hD+s+zDVe WCLQXsZulj55zTgIS4/hahs8KAGNomUDAQALg1vW7/vYBnNpQEcJ9fI9xszVE+7x LLCQsgDPcb0oWY9f30g4lf9uRgX8D8vEwyF/hFew= Received: (qmail 11451 invoked by alias); 1 May 2015 22:18:11 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 11437 invoked by uid 89); 1 May 2015 22:18:10 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.9 required=5.0 tests=AWL, BAYES_50, RCVD_IN_DNSWL_LOW, SPF_PASS autolearn=ham version=3.3.2 X-HELO: relay1.mentorg.com Date: Fri, 1 May 2015 22:18:03 +0000 From: Joseph Myers To: Subject: Add more tests of lgamma [committed] Message-ID: User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 This patch adds some randomly-generated tests of lgamma that are observed to increase ulps on x86_64. Tested for x86_64 and x86 and ulps updated accordingly. Committed. (auto-libm-test-out diffs omitted below.) 2015-05-01 Joseph Myers * math/auto-libm-test-in: Add more tests of lgamma. * math/auto-libm-test-out: Regenerated. * sysdeps/i386/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Likewise. diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in index 7a8a67b..caf3c93 100644 --- a/math/auto-libm-test-in +++ b/math/auto-libm-test-in @@ -1759,6 +1759,14 @@ lgamma -0x1p-16445 lgamma 0x1p-16494 lgamma -0x1p-16494 +lgamma 0x8.8d2d5p+0 +lgamma 0x1.6a324ap+52 +lgamma 0x9.62f59p+0 +lgamma 0xa.d55d6b4d78e28p+0 +lgamma 0x8.d6315p+0 +lgamma 0xb.2e679p+0 +lgamma 0xb.01191p+0 + log 1 log e log 1/e diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps index ae64aae..b13b574 100644 --- a/sysdeps/i386/fpu/libm-test-ulps +++ b/sysdeps/i386/fpu/libm-test-ulps @@ -1438,32 +1438,32 @@ double: 1 float: 1 idouble: 1 ifloat: 1 -ildouble: 1 -ldouble: 1 +ildouble: 2 +ldouble: 2 Function: "gamma_downward": double: 2 float: 2 idouble: 2 ifloat: 2 -ildouble: 3 -ldouble: 3 +ildouble: 5 +ldouble: 5 Function: "gamma_towardzero": double: 2 float: 2 idouble: 2 ifloat: 2 -ildouble: 2 -ldouble: 2 +ildouble: 5 +ldouble: 5 Function: "gamma_upward": double: 2 float: 3 idouble: 2 ifloat: 3 -ildouble: 2 -ldouble: 2 +ildouble: 4 +ldouble: 4 Function: "hypot": ildouble: 1 @@ -1564,32 +1564,32 @@ double: 1 float: 1 idouble: 1 ifloat: 1 -ildouble: 1 -ldouble: 1 +ildouble: 2 +ldouble: 2 Function: "lgamma_downward": double: 2 float: 2 idouble: 2 ifloat: 2 -ildouble: 3 -ldouble: 3 +ildouble: 5 +ldouble: 5 Function: "lgamma_towardzero": double: 2 float: 2 idouble: 2 ifloat: 2 -ildouble: 2 -ldouble: 2 +ildouble: 5 +ldouble: 5 Function: "lgamma_upward": double: 2 float: 3 idouble: 2 ifloat: 3 -ildouble: 2 -ldouble: 2 +ildouble: 4 +ldouble: 4 Function: "log": ildouble: 1 diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index f0ece1e..3b342d6 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -1536,36 +1536,36 @@ ildouble: 4 ldouble: 4 Function: "gamma": -double: 1 -float: 1 -idouble: 1 -ifloat: 1 -ildouble: 1 -ldouble: 1 - -Function: "gamma_downward": double: 2 -float: 1 +float: 2 idouble: 2 -ifloat: 1 -ildouble: 3 -ldouble: 3 - -Function: "gamma_towardzero": -double: 1 -float: 1 -idouble: 1 -ifloat: 1 +ifloat: 2 ildouble: 2 ldouble: 2 +Function: "gamma_downward": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 +ildouble: 5 +ldouble: 5 + +Function: "gamma_towardzero": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 +ildouble: 5 +ldouble: 5 + Function: "gamma_upward": -double: 1 +double: 3 float: 3 -idouble: 1 +idouble: 3 ifloat: 3 -ildouble: 2 -ldouble: 2 +ildouble: 4 +ldouble: 4 Function: "hypot": double: 1 @@ -1664,36 +1664,36 @@ ildouble: 4 ldouble: 4 Function: "lgamma": -double: 1 -float: 1 -idouble: 1 -ifloat: 1 -ildouble: 1 -ldouble: 1 - -Function: "lgamma_downward": double: 2 -float: 1 +float: 2 idouble: 2 -ifloat: 1 -ildouble: 3 -ldouble: 3 - -Function: "lgamma_towardzero": -double: 1 -float: 1 -idouble: 1 -ifloat: 1 +ifloat: 2 ildouble: 2 ldouble: 2 +Function: "lgamma_downward": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 +ildouble: 5 +ldouble: 5 + +Function: "lgamma_towardzero": +double: 4 +float: 3 +idouble: 4 +ifloat: 3 +ildouble: 5 +ldouble: 5 + Function: "lgamma_upward": -double: 1 +double: 3 float: 3 -idouble: 1 +idouble: 3 ifloat: 3 -ildouble: 2 -ldouble: 2 +ildouble: 4 +ldouble: 4 Function: "log": float: 1