Date: Tue, 05 Nov 2019 22:42:47 +0000 From: bugzilla-noreply@freebsd.org To: numerics@FreeBSD.org Subject: [Bug 237800] pow(3) returns inaccurate results Message-ID: <bug-237800-18636-vcP5DfotJy@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-237800-18636@https.bugs.freebsd.org/bugzilla/> References: <bug-237800-18636@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237800 --- Comment #16 from Steve Kargl <kargl@FreeBSD.org> --- (In reply to me from comment #15) >> You have a ULP of 0.51122. That is about as accurate as one might >> expect. > > I get that there's some variance here, but everything else I've > tested on gives the precise result. I can loosen the tests to > check with epsilon, but I thought I'd reach out here first to > see if it might be changed. Are you familiar with Goldberg's paper? If not, you need to read it. If you are, then you need to re-read it. A ULP of 0.51122 is precise! --=20 You are receiving this mail because: You are the assignee for the bug.=
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