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/* File produced by Kranc */
#define KRANC_C
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Arguments.h"
#include "cctk_Parameters.h"
#include "GenericFD.h"
#include "Differencing.h"
#include "loopcontrol.h"
/* Define macros used in calculations */
#define INITVALUE (42)
#define QAD(x) (SQR(SQR(x)))
#define INV(x) ((1.0) / (x))
#define SQR(x) ((x) * (x))
#define CUB(x) ((x) * (x) * (x))
static void WT_Gaussian_Body(cGH const * restrict const cctkGH, int const dir, int const face, CCTK_REAL const normal[3], CCTK_REAL const tangentA[3], CCTK_REAL const tangentB[3], int const min[3], int const max[3], int const n_subblock_gfs, CCTK_REAL * restrict const subblock_gfs[])
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
/* Declare finite differencing variables */
if (verbose > 1)
{
CCTK_VInfo(CCTK_THORNSTRING,"Entering WT_Gaussian_Body");
}
if (cctk_iteration % WT_Gaussian_calc_every != WT_Gaussian_calc_offset)
{
return;
}
const char *groups[] = {"ML_WaveToy::WT_rho","ML_WaveToy::WT_u"};
GenericFD_AssertGroupStorage(cctkGH, "WT_Gaussian", 2, groups);
/* Include user-supplied include files */
/* Initialise finite differencing variables */
ptrdiff_t const di = 1;
ptrdiff_t const dj = CCTK_GFINDEX3D(cctkGH,0,1,0) - CCTK_GFINDEX3D(cctkGH,0,0,0);
ptrdiff_t const dk = CCTK_GFINDEX3D(cctkGH,0,0,1) - CCTK_GFINDEX3D(cctkGH,0,0,0);
CCTK_REAL const dx = ToReal(CCTK_DELTA_SPACE(0));
CCTK_REAL const dy = ToReal(CCTK_DELTA_SPACE(1));
CCTK_REAL const dz = ToReal(CCTK_DELTA_SPACE(2));
CCTK_REAL const dxi = INV(dx);
CCTK_REAL const dyi = INV(dy);
CCTK_REAL const dzi = INV(dz);
CCTK_REAL const khalf = 0.5;
CCTK_REAL const kthird = 1/3.0;
CCTK_REAL const ktwothird = 2.0/3.0;
CCTK_REAL const kfourthird = 4.0/3.0;
CCTK_REAL const keightthird = 8.0/3.0;
CCTK_REAL const hdxi = 0.5 * dxi;
CCTK_REAL const hdyi = 0.5 * dyi;
CCTK_REAL const hdzi = 0.5 * dzi;
/* Initialize predefined quantities */
CCTK_REAL const p1o12dx = 0.0833333333333333333333333333333*INV(dx);
CCTK_REAL const p1o12dy = 0.0833333333333333333333333333333*INV(dy);
CCTK_REAL const p1o12dz = 0.0833333333333333333333333333333*INV(dz);
CCTK_REAL const p1o144dxdy = 0.00694444444444444444444444444444*INV(dx)*INV(dy);
CCTK_REAL const p1o144dxdz = 0.00694444444444444444444444444444*INV(dx)*INV(dz);
CCTK_REAL const p1o144dydz = 0.00694444444444444444444444444444*INV(dy)*INV(dz);
CCTK_REAL const pm1o12dx2 = -0.0833333333333333333333333333333*INV(SQR(dx));
CCTK_REAL const pm1o12dy2 = -0.0833333333333333333333333333333*INV(SQR(dy));
CCTK_REAL const pm1o12dz2 = -0.0833333333333333333333333333333*INV(SQR(dz));
/* Loop over the grid points */
#pragma omp parallel
LC_LOOP3 (WT_Gaussian,
i,j,k, min[0],min[1],min[2], max[0],max[1],max[2],
cctk_lsh[0],cctk_lsh[1],cctk_lsh[2])
{
ptrdiff_t const index = di*i + dj*j + dk*k;
/* Assign local copies of grid functions */
/* Include user supplied include files */
/* Precompute derivatives */
/* Calculate temporaries and grid functions */
CCTK_REAL uL = 0;
CCTK_REAL rhoL = 0;
/* Copy local copies back to grid functions */
rho[index] = rhoL;
u[index] = uL;
}
LC_ENDLOOP3 (WT_Gaussian);
}
extern "C" void WT_Gaussian(CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
GenericFD_LoopOverEverything(cctkGH, &WT_Gaussian_Body);
}
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