[ET Trac] [Einstein Toolkit] #1759: need tensorparity=-1 for WeylScal4::curvIi_group and curvJi_group

[Einstein Toolkit]

#1759: need tensorparity=-1 for WeylScal4::curvIi_group and curvJi_group
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 Reporter:  physicsbeany@…          |       Owner:  Bernard Kelly      
     Type:  defect                  |      Status:  new                
 Priority:  minor                   |   Milestone:  ET_2014_11         
Component:  EinsteinToolkit thorn   |     Version:  development version
 Keywords:  weylscal4, parity       |  
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 The WeylScal4 gridfunctions curvIi and curvJi are pesudoscalars with the
 same parity properties as Psi2r and Psi2i. However, they're currently
 assigned no tensorparity attribute, so they're treated as scalars.

 As a result, for a z-aligned Kerr BH (EinsteinInitialData/IDAnalyticBH)
 evolved with reflection symmetry across the x-y plane, an interpolation of
 curvIi to a coordinate sphere will yield different values for the z<0
 points than the same data on a full grid.

 Can we set "tensorparity=-1" for both these groups, to fix this issue?

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1759>
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