I thought I hit "reply all"... First post to this list :)

----------------------------------------
> From: marchy...@hotmail.com
> To: royst...@ices.utexas.edu
> Subject: RE: [Libmesh-users] libmesh problem: libmesh_nullptr was not 
> declared in scope
> Date: Thu, 4 Aug 2016 17:32:52 -0400
>
> I have not followed the exchange but sometimes I end up including headers 
> within a namespace or
> something. Is libmesh being included within something? Not sure what that 
> does with some
> macros and others not lol.
>
> fwiw, I just downloaded libmesh and visit a few days ago and was surprised 
> that I could
> be tweaking examples with 2 days ( even though now I'm fumbling with line 
> integrals
> to integrate a current density ) and see the results. Personally I will 
> probably end up using
> R for most analysis but it will take a while to learn the filer formats
> and what visit can actually do.
>
> I searched the mail list and only found maybe one or two old exchanges on 
> electrochemisty.
> Curious if there are specific features for this or if anyone can comment on 
> usable dynamic
> range of mesh refinement ( it seem if I had too fine a grid in places
> it complained about some Newton-Raphson not converging or something similar). 
> There are places
> where nanometers matter, other places centimeters and wasn't sure if there 
> were specific
> classes or algorithms to know about.
>
> Thanks.
>
>
>
> ----------------------------------------
> Date: Thu, 4 Aug 2016 14:48:42 -0500
> From: royst...@ices.utexas.edu
> To: harroontheg...@gmail.com
> CC: libmesh-users@lists.sourceforge.net
> Subject: Re: [Libmesh-users] libmesh problem: libmesh_nullptr was not 
> declared in scope
>
>
>
> On Thu, 4 Aug 2016, Harry Pearce wrote:
>
>> In regards to LIBMESH_HAVE_CXX11_NULLPTR it says:
>>
>> #ifndef LIBMESH_HAVE_CXX11_NULLPTR
>> #define LIBMESH_HAVE_CXX11_NULLPTR 1
>> #endif
>
> I'm utterly baffled then. If you include libmesh_nullptr.h (as all
> our headers do, indirectly!), then it should include libmesh_config.h
> to get that definition, it should test that definition and decide to
> #define libmesh_nullptr nullptr, and then your compiler shouldn't even
> *see* the term "libmesh_nullptr", because your preprocessor should
> have already substituted it.
> ---
> Roy
>
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