[Developers] Add magnetic fields to HydroBase

[Erik Schnetter]

On Nov 24, 2009, at 15:55 , Erik Schnetter wrote:

> On Nov 24, 2009, at 15:19 , Frank Loeffler wrote:
> 
>> Hi,
>> 
>> On Tue, Nov 24, 2009 at 03:50:16PM -0500, Bruno Giacomazzo wrote:
>>> 	Anyway, if you want instead to include also the lagrangian
>>> definition in HydroBase then you should define
>>> 
>>> 	B_eul[3] E_eul[3]
>>> 	B_lag[4] E_lag[4]
>> 
>> I suggest to define the first two in HydroBase and comment in the
>> documentation that the latter two are (at the moment) not defined
>> because effectivly unused, but could be added in the future. Even if
>> that would not happen, someone using them could define them in their
>> own thorn and then have a consistent name scheme.
> 
> 
> Same as with the three-velocity we should just define one simple quantity.  Given that I don't like underscores, I then propose to use "Bvec".


I have just added such a group, together with corresponding parameters to choose initial data and time evolution method for the magnetic field.

-erik

-- 
Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/