VMD-L Mailing List

From: vivek sharma (vivek.sharma_at_helsinki.fi)
Date: Wed Aug 03 2005 - 00:33:17 CDT

Hi,

You can change the Tcl precision by using the statement in your script.

set tcl_precision 17

(17 is the no. of significant digits you need in your calculation)

Hope this helps.

Regards,

VIvek

Quoting Samuel Flores <samuel.flores_at_yale.edu>:

>
> Hi All,
>
> Does anyone know what I can do to get more precision in the calculation
> of
> inverse trig functions? I keep getting errors when I try to take the
> acos
> of some number like 1.0000007. I think this is the result of imprecision
> in
> an earlier mathematical step to take another arccosine.
>
> Help would be much appreciated!
>
> Thanks
>
> Sam
>
>
> 

-- 
VIVEK SHARMA
HBG BI
"Basic research is what I'm doing when I don't know what I'm doing."
                                                  - Werner von Braun