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#include <math.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
static const char *rcsid = "$Header:$";
CCTK_FILEVERSION(CarpetExtra_CarpetRegridTest_TestGaussian_c);
void CarpetRegrid_TestGaussian(CCTK_ARGUMENTS)
{
DECLARE_CCTK_PARAMETERS;
DECLARE_CCTK_ARGUMENTS;
int i,j,k;
int index;
CCTK_REAL X, Y, Z, R;
for(k=0; k<cctk_lsh[2]; k++)
{
for(j=0; j<cctk_lsh[1]; j++)
{
for(i=0; i<cctk_lsh[0]; i++)
{
index = CCTK_GFINDEX3D(cctkGH,i,j,k);
X = x[index];
Y = y[index];
Z = z[index];
R = sqrt(X*X + Y*Y + Z*Z);
phi_error[index] = phi[index] - amplitude*exp( - pow( (R - radius) / sigma, 2.0 ) );
phi_relerror[index] = phi_error[index] / (amplitude*exp( - pow( (R - radius) / sigma, 2.0 ) ) );
}
}
}
/* CCTK_VInfo(CCTK_THORNSTRING,"Performed CarpetRegridTest"); */
}
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