diff options
Diffstat (limited to 'interface.ccl')
| -rw-r--r-- | interface.ccl | 78 |
1 files changed, 52 insertions, 26 deletions
diff --git a/interface.ccl b/interface.ccl index 83cc539..2dbaa97 100644 --- a/interface.ccl +++ b/interface.ccl @@ -4,39 +4,65 @@ implements: AHFinderDirect inherits: Grid ADMBase StaticConformal SpaceMask IO always -# include file provided by SpaceMask +# we use an include file provided by SpaceMask USES INCLUDE: SpaceMask.h -# provides aliased functions for various other thorns -# FIXME: this really belongs in Erik Schnetter's "generic surface" thorn -# ... returns local coordinate origin for a given horizon -SUBROUTINE HorizonLocalCoordinateOrigin \ - (CCTK_INT IN horizon_number, \ - CCTK_REAL OUT origin_x, CCTK_REAL OUT origin_y, CCTK_REAL OUT origin_z) -# ... computes horizon radius in the direction of each (x,y,z) point, -# or -1.0 if this horizon wasn't found -# ... 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 last time we searched for it. -SUBROUTINE HorizonRadiusInDirection \ - (CCTK_INT IN horizon_number, \ - CCTK_INT IN N_points, \ - CCTK_REAL IN ARRAY x, CCTK_REAL IN ARRAY y, CCTK_REAL IN ARRAY z, \ - CCTK_REAL OUT ARRAY radius) +################################################################################ + +# we use an aliased function maybe provided by DriftCorrect +SUBROUTINE SetDriftCorrectPosition \ + (CCTK_POINTER IN GH, \ + CCTK_REAL IN x, CCTK_REAL IN y, CCTK_REAL IN z) +USES FUNCTION SetDriftCorrectPosition + +################################################################################ + +# +# This thorn provides an aliased-function interface which other thorns +# can use to find out about the horizons. Each function returns a status +# code which is >= 0 for ok, or < 0 for an error. +# + +######################################## + +# This function returns the local coordinate origin for a given horizon. +CCTK_INT FUNCTION HorizonLocalCoordinateOrigin \ + (CCTK_INT IN horizon_number, \ + CCTK_REAL OUT origin_x, CCTK_REAL OUT origin_y, CCTK_REAL OUT origin_z) + +# The following function queries whether or not the specified horizon +# was found the most recent time AHFinderDirect searched for it. +# The return value is: +# 1 if the horizon was found +# 0 if the horizon was not found +# negative for an error +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. +CCTK_INT FUNCTION HorizonRadiusInDirection \ + (CCTK_INT IN horizon_number, \ + CCTK_INT IN N_points, \ + CCTK_REAL IN ARRAY x, CCTK_REAL IN ARRAY y, CCTK_REAL IN ARRAY z, \ + CCTK_REAL OUT ARRAY radius) + +######################################## + +# all these functions are in src/driver/aliased_functions.cc PROVIDES FUNCTION HorizonLocalCoordinateOrigin \ WITH AHFinderDirect_local_coordinate_origin \ LANGUAGE C +PROVIDES FUNCTION HorizonWasFound \ + WITH AHFinderDirect_horizon_was_found \ + LANGUAGE C PROVIDES FUNCTION HorizonRadiusInDirection \ WITH AHFinderDirect_radius_in_direction \ LANGUAGE C -# uses aliased function maybe provided by DriftCorrect -SUBROUTINE SetDriftCorrectPosition(CCTK_POINTER IN GH, CCTK_REAL IN x, \ - CCTK_REAL IN y, \ - CCTK_REAL IN z) -USES FUNCTION SetDriftCorrectPosition - ################################################################################ |