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Groups > comp.lang.java.programmer > #16342

Re: floating point

Date 2012-07-25 10:54 -0400
From Arne Vajhøj <arne@vajhoej.dk>
Newsgroups comp.lang.java.programmer
Subject Re: floating point
References <d94d1dd0-deb5-4259-b5a0-fb3d57e99c55@googlegroups.com> <g9Odnb6dKIkkmJLNnZ2dnUVZ_gudnZ2d@earthlink.com> <m3obn4ci11.fsf@ipa.eternal-september.org>
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On 7/25/2012 5:22 AM, Jukka Lahtinen wrote:
> Patricia Shanahan <pats@acm.org> writes:
>> On 7/24/2012 12:57 PM, bob smith wrote:
>
>>> Let's say you have an integer and a float in an operation.  Is the
>
>> May I ask why you are using float? Because of its very limited
>> precision, it is better to use double unless there is a specific reason
>
> ..and even better to use BigDecimal, if you need all the decimals to be
> correct, like when calculating any amounts of money.
>
> Of course, there are situations where rounding errors don't matter and
> double is good enough.
> Like, I suppose, some statistical calculations.

Anything that is measured with uncertainty.

Arne

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Thread

floating point bob smith <bob@coolfone.comze.com> - 2012-07-24 12:57 -0700
  Re: floating point markspace <-@.> - 2012-07-24 13:01 -0700
    Re: floating point Lew <lewbloch@gmail.com> - 2012-07-24 13:21 -0700
      Re: floating point Gene Wirchenko <genew@ocis.net> - 2012-07-24 13:50 -0700
        Re: floating point Lew <noone@lewscanon.com> - 2012-07-25 06:33 -0700
          Re: floating point Gene Wirchenko <genew@ocis.net> - 2012-07-25 10:44 -0700
            Re: floating point Lew <lewbloch@gmail.com> - 2012-07-25 17:09 -0700
              Re: floating point Gene Wirchenko <genew@ocis.net> - 2012-07-25 17:42 -0700
                Re: floating point Jan Burse <janburse@fastmail.fm> - 2012-07-26 03:15 +0200
          Re: floating point Arne Vajhøj <arne@vajhoej.dk> - 2012-07-25 21:05 -0400
    Re: floating point Martin Gregorie <martin@address-in-sig.invalid> - 2012-07-24 20:34 +0000
  Re: floating point Patricia Shanahan <pats@acm.org> - 2012-07-24 13:29 -0700
    Re: floating point Jukka Lahtinen <jtfjdehf@hotmail.com.invalid> - 2012-07-25 12:22 +0300
      Re: floating point Arne Vajhøj <arne@vajhoej.dk> - 2012-07-25 10:54 -0400
      Re: floating point Roedy Green <see_website@mindprod.com.invalid> - 2012-07-25 13:29 -0700

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