[ET Trac] [Einstein Toolkit] #1806: enovol operator in CarpetLib is broken

[Einstein Toolkit]

#1806: enovol operator in CarpetLib is broken
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 Reporter:  rhaas   |       Owner:  rhaas              
     Type:  defect  |      Status:  new                
 Priority:  minor   |   Milestone:                     
Component:  Carpet  |     Version:  development version
 Keywords:          |  
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 The implementation of {{{eno_interpolation_type = averages}}}, which is
 not used by default, is broken and cannot be used since it does not allow
 restriction. Even when adding restriction the computation of the required
 source region is done incorrectly and leads to segfaults since data
 outside of the source region is accessed. The check for regbbox + stencil
 width to be included in srcbbox in the prolongation operator source file
 seems to be broken as well since it does not take the difference between
 coarse and fine grid spacing into account.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1806>
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