Not the property tree... but ...
..."double" refers to 32 bit representation of a real number...and
..."single" refers to a 16 bit representation of  a real number.

most numbers are defined as "integers" ie 16 bits of numerical 
information meaning a maximum value of 2^16 values can be represented.
ie  -32768 to 32768

long means that double precision integers can be represented
ie -2,147,483,648 to 2,147,483,648

apply this to a real number that might have fractional as well as signed 
parts, ie double = 32 bit and single = 16 bit
as well as positive and negative and you begin to understand the issues....

... not that you have to, just rely on the notion that... if a field is 
defined as a "double" then 6 decimal places is OK,
if it's defined as single then 2-3 decimal places are OK.  this part is 
entirely subjective and might get flamed so hold off on making any life 
changing decisions based on this advice until you get a second opinion.

Cheers
Dene
[EMAIL PROTECTED] wrote:
> Hi,
> Could anyone please tell me where can I obtain detailed explaination about 
> the 
> terms under the path /fdm/jsbsim/ inside FG Properties? Since I want to 
> anaylse the aerodynamic of the aircraft, I need to know what the terms mean, 
> and I also want to know what is meant by having a (double) indication next to 
> the value.
>
> Thanks
>
>
>
>
> -------------------------------------------------------------------------
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>   

-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
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