[ET Trac] [Einstein Toolkit] #237: AHFinderDirect should set the number of timelevels of ahmask to match the number needed for e.g. the metric

[Einstein Toolkit]

#237: AHFinderDirect should set the number of timelevels of ahmask to match the
number needed for e.g. the metric
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 Reporter:  knarf   |       Owner:     
     Type:  defect  |      Status:  new
 Priority:  major   |   Milestone:     
Component:  Other   |     Version:     
 Keywords:          |  
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 The attached patch changes the number of timelevels of the ahmask to match
 the number which is used for the metric. Setting this to three
 unconditionally leads to problems when running with Carpet and
 prolongation_order_time=1 because all GFs in Carpet are expected to have
 the same number of timelevels: prolongation_order_time+1.

 This is not the ideal solution. That would eliminate also variables ala
 metric_timelevels, because they directly depend on prolongation_order_time
 and should not have to be set (correctly) in a parameter file. This could
 be done automatically.

 However, the attached patch for now uses metric_timelevels, in order to
 get AHFinderDirect working quickly.

 I am asking for a review, and can apply it myself after a positive reply.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/237>
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