[ET Trac] [Einstein Toolkit] #949: RotatingSymmetry90: abort when evaluating tensor type for Weyl scalars

[Einstein Toolkit]

#949: RotatingSymmetry90: abort when evaluating tensor type for Weyl scalars
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  Reporter:  bmundim                |       Owner:                                 
      Type:  defect                 |      Status:  closed                         
  Priority:  major                  |   Milestone:                                 
 Component:  EinsteinToolkit thorn  |     Version:                                 
Resolution:  invalid                |    Keywords:  RotatingSymmetry90 Weyl scalars
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Comment (by rhaas):

 I am not quite sure if one does not have to be a bit more careful with
 ManualCartesian quantities. If I define Psi = x*y^2 then this would have
 ManualCartesian parities of (-,+,+). If I understand RotatingSymmetry90
 correctly it would copy the value psi(i=10,j=1,k=0) to point
 (i=-1,j=10,k=0). However the Psi I defined would have (among other
 changes) changed sign as x (or i) changes sign. So a simple copy would not
 seem to be correct.

 My understanding of RotatingSymmetry is limited and that of Weyl scalars
 very spotty at best. So don't take this objection too serious :-).

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/949#comment:3>
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