Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.java.programmer > #34814
Show key headers only | View raw
On 7/8/2016 10:35 AM, Eric Douglas wrote: > On Friday, July 8, 2016 at 10:16:23 AM UTC-4, Eric Sosman wrote: >> No one would want that. Also, no one experiences that (not in >> Java, at any rate). I get your point, though, that floating-point >> arithmetic can be surprising. > > I don't know if or how it happens with whole numbers offhand but it's > definitely an issue with decimals, and that is more than financials. > When you're trying to write an application that manages inventory > quantities and calculates the decimals as in to represent the > percentage of a can of paint, then this is a problem. Program: double > a = .0002; double b = .0001; System.out.println(a + b); Result: > 3.0000000000000003E-4 But that result is really correct. .0002 +/- some uncertainty + .0001 +/- some uncertainty is 3.0000000000000003E-4 +/- some uncertainty But maybe your inventory system do not work with built in uncertainty. Point being that in this case you should not use floating point either. Every time you think about using float and double to store some data always ask whether values has uncertainty. If not drop float/double and start looking at something else (maybe BigDecimal). Arne
Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
missing import java.lang.Comparable Roedy Green <inquiry@mindprod.com> - 2016-06-28 21:34 -0700
Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-06-29 05:56 +0000
Re: missing import java.lang.Comparable Roedy Green <inquiry@mindprod.com> - 2016-06-28 23:59 -0700
Re: missing import java.lang.Comparable Matthias Wiehl <mw@kwarg.de> - 2016-06-29 09:52 +0200
Re: missing import java.lang.Comparable Roedy Green <inquiry@mindprod.com> - 2016-06-29 01:16 -0700
Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-06-29 06:38 -0700
Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-30 13:24 +0000
Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-06-30 06:37 -0700
Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-06-30 10:19 -0400
Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-06-30 07:47 -0700
Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-06-30 11:17 -0400
Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-30 18:23 +0000
Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-06-30 15:24 -0400
Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-06-30 12:47 -0700
Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-06-30 16:38 -0400
Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-30 21:09 +0000
Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-01 06:45 +0000
Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-01 05:03 -0700
Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-03 20:46 +0000
Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-01 15:21 -0700
Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-03 21:10 +0000
Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-04 16:08 -0700
Program proof Mike Amling <mamling@chaff.us> - 2016-07-05 11:23 -0500
Re: Program proof Andreas Leitgeb <avl@logic.at> - 2016-07-05 18:08 +0000
Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-05 17:23 +0000
Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-05 14:28 -0700
Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-07 15:22 +0000
Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-07 11:44 -0400
Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-07 12:57 -0400
Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-07 18:29 +0000
[OT] Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-07 15:48 -0400
Re: [OT] Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-08 08:01 +0000
Re: [OT] Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-08 08:25 -0400
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-08 06:55 -0700
Re: [OT] Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-08 10:16 -0400
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-08 07:35 -0700
Re: [OT] Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-08 18:07 +0000
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-08 12:54 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-08 16:29 -0400
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-08 14:06 -0700
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-08 20:11 -0400
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-15 11:37 -0700
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-15 16:36 -0400
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-15 15:49 -0700
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-15 22:09 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-16 13:04 +0000
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-18 13:08 -0700
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-18 19:56 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-08 20:59 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 11:57 +0000
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-09 09:39 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 14:43 +0000
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-09 11:15 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-09 09:46 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 15:21 +0000
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-09 11:27 -0400
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-15 11:39 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-15 15:38 -0400
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-15 15:52 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-15 19:19 -0400
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-18 13:10 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-18 16:26 -0400
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-18 13:58 -0700
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-18 16:30 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-18 20:24 -0400
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-19 05:14 -0700
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-19 20:22 -0400
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-19 10:31 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-19 16:37 -0400
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-19 14:44 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-19 21:16 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-19 21:54 +0000
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-19 20:17 -0400
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-20 12:01 -0700
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-20 21:28 +0000
Re: [OT] Re: missing import java.lang.Comparable Gene Wirchenko <genew@telus.net> - 2016-07-20 16:14 -0700
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-19 20:18 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-19 21:33 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-19 21:56 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-19 23:47 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-22 23:31 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-23 10:24 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-23 21:26 -0400
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-23 19:23 -0700
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-23 23:08 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-24 10:44 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-24 10:44 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-20 16:04 -0400
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-20 14:51 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-20 22:57 -0400
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-21 11:38 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-21 15:57 -0400
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-21 13:45 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-21 21:00 -0400
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-22 15:28 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-22 19:34 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-22 23:36 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-23 10:25 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-23 10:58 +0000
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-23 09:32 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-22 23:34 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-23 10:25 -0400
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-23 17:04 -0700
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-24 10:46 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-23 21:23 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-24 10:47 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-22 23:40 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-18 20:02 -0400
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-18 20:26 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-18 20:35 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-18 19:59 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-08 23:36 +0000
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-08 20:09 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 12:51 +0000
Re: [OT] Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-09 09:15 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 14:30 +0000
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-09 09:44 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-09 14:37 +0000
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-09 11:14 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-09 20:09 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-10 01:11 +0000
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-09 21:52 -0400
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-10 10:34 +0000
Re: [OT] Re: missing import java.lang.Comparable Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-08 21:03 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-08 20:32 -0400
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-11 05:30 -0700
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-11 16:26 +0000
Re: [OT] Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-11 13:56 -0400
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-11 10:59 -0700
Re: [OT] Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-11 15:09 -0400
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-11 13:44 -0700
Re: [OT] Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-11 17:21 -0400
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-11 10:56 -0700
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-11 11:49 -0700
Re: [OT] Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-07-11 21:00 +0000
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-11 22:30 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-11 22:36 -0400
Re: [OT] Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-07-12 11:37 -0700
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-12 13:01 -0700
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-12 20:31 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-11 22:13 -0400
Re: [OT] Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-08 20:18 -0400
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-08 15:14 -0700
Re: [OT] Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-08 17:59 +0000
Re: [OT] Re: missing import java.lang.Comparable Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-07-08 14:34 -0400
Re: [OT] Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-08 15:18 -0700
Re: [OT] Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-08 23:50 +0000
Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-07 13:18 -0700
Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-07 16:59 -0400
Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-07-08 15:05 -0700
Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-08 19:51 -0400
Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-07 17:07 -0400
Re: missing import java.lang.Comparable Martin Gregorie <martin@address-in-sig.invalid> - 2016-06-30 20:44 +0000
Re: missing import java.lang.Comparable Arne Vajhøj <arne@vajhoej.dk> - 2016-07-07 16:56 -0400
Re: missing import java.lang.Comparable a.laforgia@gmail.com - 2016-06-30 08:32 -0700
Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-06-30 08:59 -0700
Re: missing import java.lang.Comparable a.laforgia@gmail.com - 2016-06-30 09:06 -0700
Re: missing import java.lang.Comparable Eric Douglas <e.d.programmer@gmail.com> - 2016-06-30 09:35 -0700
Re: missing import java.lang.Comparable Lew <lewbloch@gmail.com> - 2016-06-30 11:18 -0700
Re: missing import java.lang.Comparable Andreas Leitgeb <avl@logic.at> - 2016-07-03 20:57 +0000
csiph-web