Re: Locale definitions, dots and commas

[Ernie Wright <erniew comcast net>]

wallace owen l-3com com wrote:

> Dave Howorth wrote:
> > Martin (OpenGeoMap) wrote:
> >
> > > you can input in a entry for example (22m, 22 m, 220cm,...) and
> > > internally you have a double always in meters.
> >
> > How do you deal with precision? 22 m is not the same as 22.000 m
>
> Bad example.  22 can be expressed exactly in 2s complement.  3 cannot.

Any integer can be exactly expressed in two's complement.

Doubles don't use two's complement.  They can also exactly represent a
very large number of integers.

- Ernie                                  http://home.comcast.net/~erniew