[ET Trac] [Einstein Toolkit] #1600: SphericalHarmonicRecon regression_test fails on many machines

[Einstein Toolkit]

#1600: SphericalHarmonicRecon regression_test fails on many machines
-----------------------------------+----------------------------------------
 Reporter:  hinder                 |       Owner:                     
     Type:  defect                 |      Status:  new                
 Priority:  major                  |   Milestone:  ET_2014_05         
Component:  EinsteinToolkit thorn  |     Version:  development version
 Keywords:                         |  
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 The test SphericalHarmonicRecon/regression_test fails on shelob, datura,
 carver and mike with the following error:

 {{{
 INFO (NullInterp): will set up circle-shaped guard point mask
 WARNING level 0 in thorn NullInterp processor 0 host shelob001
   (line 105 of NullInterp_MaskInit.F90):
   -> mask setup error
 INFO (NullInterp):  setting up a circular evolution mask of radius
 2.00000000000000
 INFO (NullInterp):  the guard point shell is set for a max. stencil size
 of           3
 [1mWARNING level 0 in thorn NullInterp processor 0 host shelob001
   (line 105 of NullInterp_MaskInit.F90):
   ->[0m mask setup error
 }}}

 It fails on bluewaters and pandora with substantial differences in the
 NewsB gridfunction:

 {{{
    NewsB[0]_2D.asc: substantial differences
       significant differences on 12 (out of 4515) lines
       maximum absolute difference in column 3 is 0.0591090798545013
       maximum absolute difference in column 4 is 0.116319942759234
       maximum relative difference in column 3 is 1
       maximum relative difference in column 4 is 195.702939866031
       (insignificant differences on 305 lines)
 }}}

 The failures occur on both one and two processes.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1600>
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