Re: [Libmesh-users] DofMap::_dof_coupling

[David K. <dkn...@se...>]

On 08/21/2012 05:14 PM, John Peterson wrote:
> On Tue, Aug 21, 2012 at 2:23 PM, David Knezevic
> <dkn...@se...> wrote:
>> I have a system with many decoupled variables, so I'd like to set
>> entries of DofMap::_dof_coupling to zero (I presume that this means we
>> get a sparser sparsity pattern, yes?)
>>
>> How is this meant to be done, do I set the _dof_coupling entries to zero
>> after adding variables but before calling init()?
> Basically.  I think you have to allocate it yourself, either on the
> stack or on the heap, and set the _dof_coupling pointer manually
> (doesn't seem to be a nice interface for this).
>
> This is a little confusing... our underscore-prefixed variables are
> usually protected/private.  Guess we should change that for
> consistency.
>

Thanks, that works. I should've figured it out myself, but I'm lazy ;)