Path: csiph.com!aioe.org!.POSTED!not-for-mail From: =?UTF-8?Q?Arne_Vajh=c3=b8j?= Newsgroups: comp.lang.java.programmer Subject: Re: [OT] Re: missing import java.lang.Comparable Date: Mon, 11 Jul 2016 22:36:50 -0400 Organization: Aioe.org NNTP Server Lines: 21 Message-ID: References: <128e7e20-d311-413d-abbc-e885b34ae402@googlegroups.com> <87dc5bee-f689-4f2e-90a8-a43a2de9fe49@googlegroups.com> <638a1d64-f125-4456-a20b-4dbf45f49da2@googlegroups.com> <60a5ccde-2657-48d6-b3dd-04ec1a0973ab@googlegroups.com> <6f69c451-849d-4672-9025-7880a62bd72d@googlegroups.com> NNTP-Posting-Host: 7SK6yTFfqwlIPNBLl3l7Qg.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 X-Notice: Filtered by postfilter v. 0.8.2 Xref: csiph.com comp.lang.java.programmer:34867 On 7/11/2016 10:30 PM, Arne Vajhøj wrote: > On 7/11/2016 1:56 PM, Eric Douglas wrote: >> or apparently any values which use normal math. In >> grade school math we're taught .0002 + .0001 = .0003, so I'm not sure >> how it adds up to .00030000000000000003. > > Floating point and math does not follow the same rules. Because > something works in math then it does not necessarily work in > floating point. The discipline that covers this topic is "Numerical Analysis". Which should be relevant for a wide area of fields like Economics, Medicine, various natural sciences and Computer Science. Unfortunately is is rarely taught. Arne