[ET Trac] [Einstein Toolkit] #434: Keep track of masked-out volume in CarpetMask

[Einstein Toolkit]

#434: Keep track of masked-out volume in CarpetMask
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  Reporter:  eschnett     |       Owner:  eschnett
      Type:  enhancement  |      Status:  review  
  Priority:  minor        |   Milestone:          
 Component:  Carpet       |     Version:          
Resolution:               |    Keywords:          
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Comment (by eschnett):

 Introduce a grid scalar CarpetReduce::excised_cells that tallies the
 volume that is excised from reduction operations, as is done e.g. in
 CarpetMask. This allows testing the correctness of the weight grid
 function for reduction operations in the presence of excision.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/434#comment:3>
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