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/* File produced by user eschnett */
/* Produced with Mathematica Version 7.0 for Mac OS X x86 (64-bit) (February 19, 2009) */
/* Mathematica script written by Ian Hinder and Sascha Husa */
#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 INV(x) ((1.0) / (x))
#define SQR(x) ((x) * (x))
#define CUB(x) ((x) * (x) * (x))
#define QAD(x) ((x) * (x) * (x) * (x))
void WT_RHS_Body(cGH const * const cctkGH, CCTK_INT const dir, CCTK_INT const face, CCTK_REAL const normal[3], CCTK_REAL const tangentA[3], CCTK_REAL const tangentB[3], CCTK_INT const min[3], CCTK_INT const max[3], CCTK_INT const n_subblock_gfs, CCTK_REAL * const subblock_gfs[])
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
/* Declare finite differencing variables */
CCTK_REAL dx = INITVALUE, dy = INITVALUE, dz = INITVALUE;
CCTK_REAL dxi = INITVALUE, dyi = INITVALUE, dzi = INITVALUE;
CCTK_REAL khalf = INITVALUE, kthird = INITVALUE, ktwothird = INITVALUE, kfourthird = INITVALUE, keightthird = INITVALUE;
CCTK_REAL hdxi = INITVALUE, hdyi = INITVALUE, hdzi = INITVALUE;
/* Declare predefined quantities */
CCTK_REAL p1o12dx = INITVALUE;
CCTK_REAL p1o12dy = INITVALUE;
CCTK_REAL p1o12dz = INITVALUE;
CCTK_REAL p1o144dx2dy = INITVALUE;
CCTK_REAL p1o144dx2dz = INITVALUE;
CCTK_REAL p1o144dxdy = INITVALUE;
CCTK_REAL p1o144dxdy2 = INITVALUE;
CCTK_REAL p1o144dxdz = INITVALUE;
CCTK_REAL p1o144dxdz2 = INITVALUE;
CCTK_REAL p1o144dy2dz = INITVALUE;
CCTK_REAL p1o144dydz = INITVALUE;
CCTK_REAL p1o144dydz2 = INITVALUE;
CCTK_REAL p1o1728dxdydz = INITVALUE;
CCTK_REAL p1o2dx3 = INITVALUE;
CCTK_REAL p1o2dy3 = INITVALUE;
CCTK_REAL p1o2dz3 = INITVALUE;
CCTK_REAL pm1o12dx2 = INITVALUE;
CCTK_REAL pm1o12dy2 = INITVALUE;
CCTK_REAL pm1o12dz2 = INITVALUE;
if (verbose > 1)
{
CCTK_VInfo(CCTK_THORNSTRING,"Entering WT_RHS_Body");
}
if (cctk_iteration % WT_RHS_calc_every != WT_RHS_calc_offset)
{
return;
}
/* Include user-supplied include files */
/* Initialise finite differencing variables */
dx = CCTK_DELTA_SPACE(0);
dy = CCTK_DELTA_SPACE(1);
dz = CCTK_DELTA_SPACE(2);
dxi = 1.0 / dx;
dyi = 1.0 / dy;
dzi = 1.0 / dz;
khalf = 0.5;
kthird = 1/3.0;
ktwothird = 2.0/3.0;
kfourthird = 4.0/3.0;
keightthird = 8.0/3.0;
hdxi = 0.5 * dxi;
hdyi = 0.5 * dyi;
hdzi = 0.5 * dzi;
/* Initialize predefined quantities */
p1o12dx = INV(dx)/12.;
p1o12dy = INV(dy)/12.;
p1o12dz = INV(dz)/12.;
p1o144dx2dy = (INV(dy)*pow(dx,-2))/144.;
p1o144dx2dz = (INV(dz)*pow(dx,-2))/144.;
p1o144dxdy = (INV(dx)*INV(dy))/144.;
p1o144dxdy2 = (INV(dx)*pow(dy,-2))/144.;
p1o144dxdz = (INV(dx)*INV(dz))/144.;
p1o144dxdz2 = (INV(dx)*pow(dz,-2))/144.;
p1o144dy2dz = (INV(dz)*pow(dy,-2))/144.;
p1o144dydz = (INV(dy)*INV(dz))/144.;
p1o144dydz2 = (INV(dy)*pow(dz,-2))/144.;
p1o1728dxdydz = (INV(dx)*INV(dy)*INV(dz))/1728.;
p1o2dx3 = khalf*pow(dx,-3);
p1o2dy3 = khalf*pow(dy,-3);
p1o2dz3 = khalf*pow(dz,-3);
pm1o12dx2 = -pow(dx,-2)/12.;
pm1o12dy2 = -pow(dy,-2)/12.;
pm1o12dz2 = -pow(dz,-2)/12.;
/* Loop over the grid points */
#pragma omp parallel
LC_LOOP3 (WT_RHS,
i,j,k, min[0],min[1],min[2], max[0],max[1],max[2],
cctk_lssh[CCTK_LSSH_IDX(0,0)],cctk_lssh[CCTK_LSSH_IDX(0,1)],cctk_lssh[CCTK_LSSH_IDX(0,2)])
{
int index = INITVALUE;
int subblock_index = INITVALUE;
index = CCTK_GFINDEX3D(cctkGH,i,j,k);
subblock_index = i - min[0] + (max[0] - min[0]) * (j - min[1] + (max[1]-min[1]) * (k - min[2]));
/* Declare shorthands */
/* Declare local copies of grid functions */
CCTK_REAL rhoL = INITVALUE, rhorhsL = INITVALUE;
CCTK_REAL uL = INITVALUE, urhsL = INITVALUE;
/* Declare precomputed derivatives*/
/* Declare derivatives */
CCTK_REAL PDstandardNth11u = INITVALUE;
CCTK_REAL PDstandardNth22u = INITVALUE;
CCTK_REAL PDstandardNth33u = INITVALUE;
/* Assign local copies of grid functions */
rhoL = rho[index];
uL = u[index];
/* Assign local copies of subblock grid functions */
/* Include user supplied include files */
/* Precompute derivatives (new style) */
PDstandardNth11u = PDstandardNth11(u, i, j, k);
PDstandardNth22u = PDstandardNth22(u, i, j, k);
PDstandardNth33u = PDstandardNth33(u, i, j, k);
/* Precompute derivatives (old style) */
/* Calculate temporaries and grid functions */
urhsL = rhoL;
rhorhsL = PDstandardNth11u + PDstandardNth22u + PDstandardNth33u;
/* Copy local copies back to grid functions */
rhorhs[index] = rhorhsL;
urhs[index] = urhsL;
/* Copy local copies back to subblock grid functions */
}
LC_ENDLOOP3 (WT_RHS);
}
void WT_RHS(CCTK_ARGUMENTS)
{
DECLARE_CCTK_ARGUMENTS;
DECLARE_CCTK_PARAMETERS;
GenericFD_LoopOverInterior(cctkGH, &WT_RHS_Body);
}
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