make z-symmetry usage explicit in GW150914 example
Issue #2486
resolved
The GW150914 parfile uses Llama’s z symmetry (bitant) to reduce cost. However there is no check in the script that enforces this nor is it (at all) apparent from the Python code that z symmetry is used. The most obvious issue is that the script seems to offer the user to change all 3 components of the reduced spin chi while for z-symmetry only the z component of spin may no non-zero (spin being an axial vector).
Pull request
removes the x,y components of chi from the script and adds an explicit check for symmetry violating ID parameters to the script.
Comments (4)
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reporter -
reporter - changed status to open
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reporter Applied as git hash 1ea7e63 "GW150914.rpar: make z-symmetry usage explicit" of einsteinexamples
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reporter - changed status to resolved
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Please review.