[sldev] Physics precision, and negative values? Translation of center of precision?

Aimee Walton aimee at ama-zing.co.uk
Sat Apr 19 04:18:05 PDT 2008


On Apr 19, 2008, at 11:53, Dale Mahalko wrote:

> But if 768.00 meters is where the problems begin then it sounds like
> the floating point values are accurate for only 5 decimal places,
> which seems unusually and almost ridiculously small. Even the lowly
> Apple II floating point BASIC was accurate to 9 places. What exactly
> is going on with this precision limit?

You may find this patch, http://aimee.adsl24.co.uk/sl/slviewer-v11901- 
Precision.patch useful.

I use it routinely to expose the rounding errors so I know exactly  
where what I build is being put, rather than just where it says it  
is :) and adjust things more finely without resorting to nudge scripts.

Aimee.


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