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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_SetupGaussian_c);
void CarpetRegrid_SetupGaussian(CCTK_ARGUMENTS)
{
DECLARE_CCTK_PARAMETERS;
DECLARE_CCTK_ARGUMENTS;
int i,j,k;
CCTK_REAL omega;
int index;
CCTK_REAL X, Y, Z, R;
CCTK_REAL pi;
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);
R = r[index];
phi[index] = amplitude*exp( - pow( (R - radius) / sigma, 2.0 ) );
}
}
}
CCTK_VInfo(CCTK_THORNSTRING,"Gaussian initial data have been set.");
}
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