[ET Trac] [Einstein Toolkit] #1971: GRHydro: comment fprintf if eps<0, and explicitly instantiate templates

[Einstein Toolkit]

#1971: GRHydro: comment fprintf if eps<0, and explicitly instantiate templates
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 Reporter:  knarf                  |       Owner:                     
     Type:  enhancement            |      Status:  new                
 Priority:  minor                  |   Milestone:  ET_2016_11         
Component:  EinsteinToolkit thorn  |     Version:  development version
 Keywords:                         |  
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 The output for eps<0 is done using fprintf, which is bad anyway, and can
 potentially lead to problems with large output files - not to mention how
 to deal with this in a multi-process MPI run. This only disables the crude
 output. It does not change the behaviour of the code itself.

 Instantiation of all three versions is needed in any case, and making this
 explicit potentially reduces copies of the same code used in different
 files.

 These two changes are implemented the pull request

   https://bitbucket.org/einsteintoolkit/einsteinevolve/pull-
 requests/8/parma/diff

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1971>
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