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#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
#include "util_Table.h"
#include <assert.h>
#include <math.h>
void CoM3_Local(CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
int i,j,k,index;
int nx = cctk_lsh[0];
int ny = cctk_lsh[1];
int nz = cctk_lsh[2];
for (k=0;k<nz;k++)
for (j=0;j<ny;j++)
for (i=0;i<nx;i++) {
index = CCTK_GFINDEX3D(cctkGH,i,j,k);
dMx[index] = myredvar[index]*x[index];
dMy[index] = myredvar[index]*y[index];
dMz[index] = myredvar[index]*z[index];
}
}
void CoM3(CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
int varindex = -1;
int ierr = 0;
int cf = 1.0;
int reduction_handle;
int vartype;
CCTK_REAL d3x,tiny,denstotal;
CCTK_REAL sym_factor1,sym_factor2,sym_factor3;
if (CCTK_EQUALS(domain,"bitant")){
sym_factor1 = 2.0e0;
sym_factor2 = 2.0e0;
sym_factor3 = 0.0e0;
} else if (CCTK_EQUALS(domain,"octant")){
sym_factor1 = 8.0e0;
sym_factor2 = 0.0e0;
sym_factor3 = 0.0e0;
} else {
sym_factor1 = 1.0e0;
sym_factor2 = 1.0e0;
sym_factor3 = 1.0e0;
}
reduction_handle = CCTK_ReductionHandle("sum");
varindex = CCTK_VarIndex("ReductionTest3::myredvar");
assert(varindex>=0);
ierr = CCTK_Reduce(cctkGH, -1, reduction_handle,
1, CCTK_VARIABLE_REAL, (void *)&denstotal, 1, varindex);
assert(!ierr);
varindex = CCTK_VarIndex("ReductionTest3::dMx");
assert(varindex>=0);
ierr = CCTK_Reduce(cctkGH, -1, reduction_handle,
1, CCTK_VARIABLE_REAL, (void *)Mx, 1, varindex);
assert(!ierr);
varindex = CCTK_VarIndex("ReductionTest3::dMy");
assert(varindex>=0);
ierr = CCTK_Reduce(cctkGH, -1, reduction_handle,
1, CCTK_VARIABLE_REAL, (void *)My, 1, varindex);
assert(!ierr);
varindex = CCTK_VarIndex("ReductionTest3::dMz");
assert(varindex>=0);
ierr = CCTK_Reduce(cctkGH, -1, reduction_handle,
1, CCTK_VARIABLE_REAL, (void *)Mz, 1, varindex);
assert(!ierr);
denstotal = sym_factor1*denstotal;
*Mx = sym_factor2*(*Mx)/(denstotal);
*My = sym_factor2*(*My)/(denstotal);
*Mz = sym_factor3*(*Mz)/(denstotal);
*Mr = sqrt( (*Mx)*(*Mx)+(*My)*(*My)+(*Mz)*(*Mz) );
CCTK_VInfo(CCTK_THORNSTRING,"Mr: %15.6E Mx: %15.6E My: %15.6E Mz %15.6E",*Mr,*Mx,*My,*Mz);
}
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