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This directory contains top-level routines to find the apparent horizon
and interface with the rest of Cactus.
The main source files in this directory are as follows:
README.parallel
design notes for the parallel/multiprocessor algorithms
and data structures
driver.hh
overall header file for routines in this directory
state.cc
state information (data structures) kept across Cactus scheduler calls
setup.cc # sees CCTK_ARGUMENTS, CCTK_PARAMETERS
this is called from the scheduler to setup our data structures
find_horizons.cc # sees CCTK_ARGUMENTS
this is called from the scheduler to find the apparent horizon(s)
in a slice
mask.cc # sees CCTK_ARGUMENTS
this is called from the scheduler to set an excision mask or masks
announce.cc # sees CCTK_ARGUMENTS
this is called from the scheduler to announce apparent horizon
info to other thorns via aliased function calls
spherical_surface.cc # sees CCTK_ARGUMENTS, CCTK_PARAMETERS
this is called from the scheduler to store apparent horizon
info in the SphericalSurface variables
aliased_functions.cc # sees CCTK_ARGUMENTS, CCTK_FUNCTIONS
this is called from other thorns via the flesh aliased-function
interface, for the other thorns to find out about apparent horizons
initial_guess.cc
this sets up the initial guess(es) for the horizon position(s)
Newton.cc # sees cGH (for interprocessor broadcasts)
# uses CCTK_ReduceLocArrayToArray1D() for
# interprocessor broadcast/synchronization
this solves the Theta(h) = 0 equations by Newton's method
io.cc
I/O routines
BH_diagnostics.{cc,hh}
this struct (= class with public data) computes and keeps track of
the BH diagnostics (horizon circumferences, area, irreducible mass,
etc)
misc-driver.cc
some misc code that doesn't fit anywhere else :)
Makefile.standalone
Makefile for standalone test drivers etc
horizon_sequence.{cc,hh}
this class keeps track of the sequence of horizons which a given
processor should try to find (possibly including dummy ones to
preserve the multiprocessor synchronization)
test_horizon_sequence.cc
standalone test driver for horizon_sequence.{cc,hh}
ellipsoid.maple
this is a Maple script to compute the intersection of a given
ray with an ellipsoid; this is used in setting up the initial guess
ellipsoid.c
this is the Maple-generated code from "ellipsoid.maple"
ellipsoid.log
this is the standard output from running "ellipsoid.maple"
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