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// driver.cc -- top level driver for finding apparent horizons
// $Id$
//
// AHFinderDirect_driver - top-level driver
//
#include <stdio.h>
#include <assert.h>
#include <math.h>
#include <vector>
#include "util_Table.h"
#include "cctk.h"
#include "cctk_Arguments.h"
#include "cctk_Parameters.h"
#include "jt/stdc.h"
#include "jt/util.hh"
#include "jt/array.hh"
#include "jt/cpm_map.hh"
#include "jt/linear_map.hh"
using jtutil::error_exit;
#include "../config.hh"
#include "../util/coords.hh"
#include "../util/grid.hh"
#include "../util/fd_grid.hh"
#include "../util/patch.hh"
#include "../util/patch_edge.hh"
#include "../util/patch_interp.hh"
#include "../util/ghost_zone.hh"
#include "../util/patch_system.hh"
#include "gfn.hh"
#include "AHFinderDirect.hh"
//******************************************************************************
//******************************************************************************
//******************************************************************************
//
// This function is the Cactus interface for the test driver.
//
extern "C"
void AHFinderDirect_driver(CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS
DECLARE_CCTK_PARAMETERS
CCTK_VInfo(CCTK_THORNSTRING, "initializing AHFinderDirect data structures");
//
// set up the interpatch interpolator
//
CCTK_VInfo(CCTK_THORNSTRING, " setting up interpatch interpolator");
const int interp_handle = CCTK_InterpHandle(interpatch_interpolator_name);
if (interp_handle < 0)
then CCTK_VWarn(-1, __LINE__, __FILE__, CCTK_THORNSTRING,
"couldn't find interpolator \"%s\"!",
interpatch_interpolator_name); /*NOTREACHED*/
const int interp_par_table_handle
= Util_TableCreateFromString(interpatch_interpolator_pars);
if (interp_par_table_handle < 0)
then CCTK_VWarn(-1, __LINE__, __FILE__, CCTK_THORNSTRING,
"bad interpatch-interpolator parameter(s) \"%s\"!",
interpatch_interpolator_pars); /*NOTREACHED*/
//
// set up the Cactus grid info
//
CCTK_VInfo(CCTK_THORNSTRING, " setting up Cactus grid info");
struct cactus_grid_info cgi;
cgi.GH = cctkGH;
cgi.coord_origin[0] = cctk_origin_space[0];
cgi.coord_origin[1] = cctk_origin_space[1];
cgi.coord_origin[2] = cctk_origin_space[2];
cgi.coord_delta[0] = cctk_delta_space[0];
cgi.coord_delta[1] = cctk_delta_space[1];
cgi.coord_delta[2] = cctk_delta_space[2];
cgi.gridfn_dims[0] = cctk_lsh[0];
cgi.gridfn_dims[1] = cctk_lsh[1];
cgi.gridfn_dims[2] = cctk_lsh[2];
cgi.g_dd_11_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::gxx")
);
cgi.g_dd_12_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::gxy")
);
cgi.g_dd_13_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::gxz")
);
cgi.g_dd_22_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::gyy")
);
cgi.g_dd_23_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::gyz")
);
cgi.g_dd_33_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::gzz")
);
cgi.K_dd_11_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::kxx")
);
cgi.K_dd_12_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::kxy")
);
cgi.K_dd_13_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::kxz")
);
cgi.K_dd_22_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::kyy")
);
cgi.K_dd_23_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::kyz")
);
cgi.K_dd_33_data = static_cast<const fp *>(
CCTK_VarDataPtr(cctkGH, 0, "einstein::kzz")
);
//
// set up the geometry interpolator
//
struct geometry_interpolator_info gii;
CCTK_VInfo(CCTK_THORNSTRING, " setting up geometry interpolator");
gii.operator_handle = CCTK_InterpHandle(geometry_interpolator_name);
if (interp_handle < 0)
then CCTK_VWarn(-1, __LINE__, __FILE__, CCTK_THORNSTRING,
"couldn't find interpolator \"%s\"!",
geometry_interpolator_name); /*NOTREACHED*/
gii.param_table_handle
= Util_TableCreateFromString(geometry_interpolator_pars);
if (interp_par_table_handle < 0)
then CCTK_VWarn(-1, __LINE__, __FILE__, CCTK_THORNSTRING,
"bad geometry-interpolator parameter(s) \"%s\"!",
geometry_interpolator_pars); /*NOTREACHED*/
//
// create the patch system and initialize the xyz derivative coefficients
//
CCTK_VInfo(CCTK_THORNSTRING, " creating patch system");
patch_system ps(origin_x, origin_y, origin_z,
patch_system::type_of_name(patch_system_type),
N_ghost_points, N_overlap_points, delta_drho_dsigma,
nominal_gfns::min_gfn, nominal_gfns::max_gfn,
ghosted_gfns::min_gfn, ghosted_gfns::max_gfn,
interp_handle, interp_par_table_handle);
//
// find the apparent horizon
//
if (STRING_EQUAL(method, "horizon"))
then {
ps.read_ghosted_gridfn(ghosted_gfns::gfn__h, "h.dat", false);
const int timer_handle = CCTK_TimerCreateI();
CCTK_TimerStartI(timer_handle);
horizon_function(ps, cgi, gii);
CCTK_TimerStopI(timer_handle);
CCTK_TimerPrintDataI(timer_handle, -1);
ps.print_gridfn(nominal_gfns::gfn__H, "H.dat");
}
else CCTK_VWarn(-1, __LINE__, __FILE__, CCTK_THORNSTRING,
"unknown method=\"%s\"!",
method); /*NOTREACHED*/
}
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