[Developers] Re: [CactusMaint] ActiveThorns docs bug (fwd)

[Erik Schnetter]

On Saturday 04 June 2005 18:43, Erik Schnetter wrote:
> On Saturday 04 June 2005 14:54, Jonathan Thornburg wrote:
> > > The Cactus Users' Guide section A3.2 "Parameter File Syntax",
> > > doesn't fully describe how ActiveThorns lines work.  In
> > > particular:
> > > * It should say that there can be multiple ActiveThorns
> > >   lines.
> > > * It should say that listing the same thorn multiple
> > >   times in one or more ActiveThorns lines is a harmless
> > >   no-op.
> > > * It should describe the (rather complicated!) rules
> > >   determining the orders in which thorns may or may not
> > >   appear in ActiveThorns lines.
> >
> > (If the rules for that last part are unclear, we should discuss
> > them on  developers at cactuscode.org .)
>
> The rules seem to be straightforward: If a thorn needs some other
> thorns, then these other thorns must be activated before that thorn.
>
> Such needs come from: inheritance declarations in interface.ccl,
> parameter sharing in param.ccl, and required capabilities in
> configuration.ccl.

Correction: Requiring a capability does not mean that the provider is 
activated.  The provider must only be compiled in.  Only directly 
requiring a thorn means that thorn must be activated.  (Requiring 
thorns is deprecated.)

I concede, the rules are complicated.

-erik

-- 
Erik Schnetter <schnetter at aei.mpg.de>   http://www.aei.mpg.de/~eschnett/

My email is as private as my paper mail.  I therefore support encrypting
and signing email messages.  Get my PGP key from www.keyserver.net.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://www.cactuscode.org/pipermail/developers/attachments/20050605/b25349e7/attachment-0002.bin