[ET Trac] [Einstein Toolkit] #1995: McLachlan constraint tests fail

[Einstein Toolkit]

#1995: McLachlan constraint tests fail
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  Reporter:  hinder                 |       Owner:                                                   
      Type:  defect                 |      Status:  confirmed                                        
  Priority:  critical               |   Milestone:  ET_2017_05                                       
 Component:  EinsteinToolkit thorn  |     Version:  development version                              
Resolution:                         |    Keywords:  McLachlan constraints tests compiler optimization
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Comment (by diener):

 In order to turn off NoExcision, I had to change the spin of the black
 hole from a=0.8 to a=0.0 in order to not get NaN's in the constraint near
 the horizon. However, doing that still showed a significant difference in
 the constraints (both Hamiltonian and momentum) between -O1 and -O2
 optimization executables. So, I don't think the issue can be blamed on
 NoExcision.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1995#comment:38>
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