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// $Header:$
#include <assert.h>
#include <stdio.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "cctk_Arguments.h"
#include "carpet.hh"
#include "defs.hh"
#include "vect.hh"
#include "util_Table.h"
extern "C" { CCTK_INT CarpetIntegrate_Global(CCTK_ARGUMENTS);
}
CCTK_INT CarpetIntegrate_Global(CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
using namespace std;
using namespace Carpet;
int varindex = -1;
int ierr = 0;
CCTK_REAL integral;
int reduction_handle = CCTK_ReductionHandle("sum");
varindex = CCTK_VarIndex("CarpetIntegrateTest::integrand");
assert(varindex>=0);
ierr = CCTK_Reduce(cctkGH, -1, reduction_handle,
1, CCTK_VARIABLE_REAL, &integral, 1, varindex);
assert(!ierr);
CCTK_REAL d3x = cctk_delta_space[0]*cctk_delta_space[1]*cctk_delta_space[2];
integral *= d3x;
printf("Integral: %g\n", integral);
return 0;
}
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