units update?

[Matthias]

Hi Teo,

On Mar 26, 10:19 pm, Teodoro Laino <teodor... at gmail.com> wrote:
> Hi Axel,
>
> Of course they are used for reading the input and perform the unit
> conversions.
> I wouldn't bother too much about back-compatibility..

Well, this might be true for the development version, but I was
referring to a mechanism which would be appropriate for a released
version, too. Numerically strict regtests and pushing the release
issue, but being careless concerning the employed constants does not
match very well in my opinion.

Matthias

> Let's change everything to CODATA2006 and that's it. How much these
> 10 units
>   change compared to the old data set of  cp2k?
>
> Teo
>
> On 26 Mar 2008, at 22:15, Axel wrote:
>
> > good point. one problem. init_physcon is called way before
> > the input file is read. i have not been able to find out yet
> > whether those factors are used in reading the input. if yes,
> > it would result in inconsistent behavior. it may be safer to
> > use a command line flag, which is processed before reading input
> > and then just re-initialize the values. any suggestions, comments?