diff options
Diffstat (limited to 'interface.ccl')
-rw-r--r-- | interface.ccl | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/interface.ccl b/interface.ccl index 6546fd4..4c683c1 100644 --- a/interface.ccl +++ b/interface.ccl @@ -44,14 +44,19 @@ CCTK_INT FUNCTION HorizonLocalCoordinateOrigin \ CCTK_INT FUNCTION HorizonWasFound(CCTK_INT IN horizon_number) # -# The following function computes the horizon radius in the -# direction of each (x,y,z) point, or -1.0 if this horizon wasn't found -# the most recent time AHFinderDirect searched for it. More precisely, -# For each (x,y,z), consider the ray from the local coordinate origin -# through (x,y,z). This function computes the Euclidean distance -# between the local coordinate origin and this ray's intersection with -# the horizon, or -1.0 if this horizon wasn't found the most recent time -# AHFinderDirect searched for it. +# The following function computes the horizon radius in the direction +# of each (x,y,z) point, or -1.0 if this horizon wasn't found the most +# recent time AHFinderDirect searched for it. More precisely, for each +# (x,y,z), consider the ray from the local coordinate origin through +# (x,y,z). This function computes the Euclidean distance between the +# local coordinate origin and this ray's intersection with the horizon, +# or -1.0 if this horizon wasn't found the most recent time AHFinderDirect +# searched for it. +# +# If this function is to be used in a multiprocessor run on a horizon +# which was found on some other processor, the parameter +# AHFinderDirect::always_broadcast_horizon_shape +# must be set to true to get the correct answer. # CCTK_INT FUNCTION HorizonRadiusInDirection \ (CCTK_INT IN horizon_number, \ |