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/* $Header$ */
#include <assert.h>
#include <stdio.h>
#include "cctk.h"
#include "cctk_Arguments.h"
#include "cctk_Parameters.h"
#include "util_Table.h"
#define REFLEVEL round(log10((CCTK_REAL)(cctkGH->cctk_levfac[0]))/log10(2.0))
void PunctureTracker (CCTK_ARGUMENTS);
void PunctureTracker_init (CCTK_ARGUMENTS);
void PunctureTracker_init (CCTK_ARGUMENTS)
{
DECLARE_CCTK_PARAMETERS;
DECLARE_CCTK_ARGUMENTS;
int i;
if(pt_verbose>0)
CCTK_INFO("Initializing PunctureTracker");
if((pt_initial_x[0]!=0.0)||(pt_initial_y[0]!=0.0)||(pt_initial_z[0]!=0.0))
for (i=0;i<pt_num_tracked;i++){
pt_loc_x_p[i] = pt_initial_x[i];
pt_loc_y_p[i] = pt_initial_y[i];
pt_loc_z_p[i] = pt_initial_z[i];
}
else{
pt_loc_x_p[0] = par_b;
pt_loc_x_p[1] =-par_b;
pt_loc_y_p[0] = 0.0;
pt_loc_y_p[1] = 0.0;
pt_loc_z_p[0] = 0.0;
pt_loc_z_p[1] = 0.0;
}
if(pt_verbose>0)
CCTK_INFO("done initializing PunctureTracker");
}
void PunctureTracker (CCTK_ARGUMENTS)
{
DECLARE_CCTK_PARAMETERS;
DECLARE_CCTK_ARGUMENTS;
int n,ierror,i,numpoints;
// portland doesnt like that
//CCTK_REAL pt_betax[pt_num_tracked], pt_betay[pt_num_tracked], pt_betaz[pt_num_tracked];
//so I do that
CCTK_REAL * restrict const pt_betax = malloc(pt_num_tracked*sizeof(CCTK_REAL));
CCTK_REAL * restrict const pt_betay = malloc(pt_num_tracked*sizeof(CCTK_REAL));
CCTK_REAL * restrict const pt_betaz = malloc(pt_num_tracked*sizeof(CCTK_REAL));
int operator_handle, param_table_handle, coordsys_handle;
int input_array_indices[3];
const void *interp_coords[3];
void *output_arrays[3];
const CCTK_INT input_array_type_codes[3] = { CCTK_VARIABLE_REAL, CCTK_VARIABLE_REAL, CCTK_VARIABLE_REAL};
const CCTK_INT output_array_type_codes[3]= { CCTK_VARIABLE_REAL, CCTK_VARIABLE_REAL, CCTK_VARIABLE_REAL};
if(pt_verbose >0)
CCTK_INFO("tracking Punctures");
interp_coords[0] = (const void *) pt_loc_x_p;
interp_coords[1] = (const void *) pt_loc_y_p;
interp_coords[2] = (const void *) pt_loc_z_p;
operator_handle = -1;
coordsys_handle = -1;
param_table_handle = -1;
// set interpolation handles
operator_handle = CCTK_InterpHandle("Lagrange polynomial interpolation");
if (operator_handle < 0) CCTK_WARN(0, "can’t get interpolation handle!");
param_table_handle = Util_TableCreateFromString("order=4");
if (param_table_handle < 0) CCTK_WARN(0, "can't ge parameter table!");
coordsys_handle = CCTK_CoordSystemHandle("cart3d");
if (coordsys_handle < 0) CCTK_WARN(0,"can't get coordsys handle!");
if(pt_verbose>0)
for (i=0; i<pt_num_tracked; i++) {
CCTK_VInfo(CCTK_THORNSTRING,
"Puncture %d is at (x,y,z)=(%f,%f,%f)\n",i,pt_loc_x_p[i],pt_loc_y_p[i],pt_loc_z_p[i]);
}
output_arrays[0] = (void *) pt_betax;
output_arrays[1] = (void *) pt_betay;
output_arrays[2] = (void *) pt_betaz;
input_array_indices[0] = CCTK_VarIndex ("ADMBase::betax");
input_array_indices[1] = CCTK_VarIndex ("ADMBase::betay");
input_array_indices[2] = CCTK_VarIndex ("ADMBase::betaz");
//only proc 0 does interpolation
numpoints = 0;
if (CCTK_MyProc(cctkGH) == 0)
numpoints = pt_num_tracked;
ierror = CCTK_InterpGridArrays(cctkGH,3,
operator_handle, param_table_handle,coordsys_handle,
numpoints,
CCTK_VARIABLE_REAL,
interp_coords,
3,input_array_indices,
3,output_array_type_codes,
output_arrays);
if (ierror<0)
CCTK_VWarn(CCTK_WARN_ABORT, __LINE__, __FILE__, CCTK_THORNSTRING,
"error return from interpolator ierror=%d",(int)ierror);
for (n=0; n< pt_num_tracked; n++) {
if(pt_verbose>1)
printf("at the location of puncture %i:\n is pt_betax=%f, pt_betay=%f,pt_betaz=%f \n",n,pt_betax[n],pt_betay[n],pt_betaz[n]);
pt_shiftx[n] = pt_betax[n];
pt_shifty[n] = pt_betay[n];
pt_shiftz[n] = pt_betaz[n];
}
free(pt_betax,pt_betay,pt_betaz);
if(pt_verbose>0)
CCTK_INFO ("done");
}
void update_punc_loc(CCTK_ARGUMENTS){
DECLARE_CCTK_PARAMETERS;
DECLARE_CCTK_ARGUMENTS;
CCTK_REAL pt_dt;
int n;
pt_dt = CCTK_DELTA_TIME;
for (n=0; n< pt_num_tracked; n++) {
//correct small errors
// if (pt_shiftx[n] < 10e-14) pt_shiftx[n] = 0.0;
// if (pt_shifty[n] < 10e-14) pt_shifty[n] = 0.0;
// if (pt_shiftz[n] < 10e-14) pt_shiftz[n] = 0.0;
if(pt_verbose > 2){
printf("updating puncture %i\n",n);
printf(" pt_dt is %f\n",pt_dt);
printf(" pt_loc_x is %f\n",pt_loc_x[n]);
printf(" pt_loc_x_p is %f\n",pt_loc_x_p[n]);
printf(" pt_shiftx is %f\n",pt_shiftx[n]);
printf(" pt_dt is %f\n",pt_dt);
fflush(stdout);
}
printf("WRITING TO SURFACE %d\n",pt_which_surface_to_take[n]);
pt_loc_x[n] = pt_loc_x_p[n] - pt_shiftx[n] * pt_dt;
pt_loc_y[n] = pt_loc_y_p[n] - pt_shifty[n] * pt_dt;
pt_loc_z[n] = pt_loc_z_p[n] - pt_shiftz[n] * pt_dt;
sf_centroid_x[pt_which_surface_to_take[n]]=pt_loc_x_p[n];
sf_centroid_y[pt_which_surface_to_take[n]]=pt_loc_y_p[n];
sf_centroid_z[pt_which_surface_to_take[n]]=pt_loc_z_p[n];
sf_valid[pt_which_surface_to_take[n]]=1.0;
sf_valid[pt_which_surface_to_take[n]]=1.0;
sf_valid[pt_which_surface_to_take[n]]=1.0;
}
}
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