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-rw-r--r--ML_WaveToy/src/WT_RHS.cc118
1 files changed, 118 insertions, 0 deletions
diff --git a/ML_WaveToy/src/WT_RHS.cc b/ML_WaveToy/src/WT_RHS.cc
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+++ b/ML_WaveToy/src/WT_RHS.cc
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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 "Vectors.hh"
+#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))
+
+static void WT_RHS_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_RHS_Body");
+ }
+
+ if (cctk_iteration % WT_RHS_calc_every != WT_RHS_calc_offset)
+ {
+ return;
+ }
+
+ /* Include user-supplied include files */
+
+ /* Initialise finite differencing variables */
+ CCTK_REAL const dx = CCTK_DELTA_SPACE(0);
+ CCTK_REAL const dy = CCTK_DELTA_SPACE(1);
+ CCTK_REAL const dz = CCTK_DELTA_SPACE(2);
+ int const di = 1;
+ int const dj = CCTK_GFINDEX3D(cctkGH,0,1,0) - CCTK_GFINDEX3D(cctkGH,0,0,0);
+ int const dk = CCTK_GFINDEX3D(cctkGH,0,0,1) - CCTK_GFINDEX3D(cctkGH,0,0,0);
+ CCTK_REAL const dxi = 1.0 / dx;
+ CCTK_REAL const dyi = 1.0 / dy;
+ CCTK_REAL const dzi = 1.0 / 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 = INV(dx)/12.;
+ CCTK_REAL const p1o12dy = INV(dy)/12.;
+ CCTK_REAL const p1o12dz = INV(dz)/12.;
+ CCTK_REAL const p1o144dxdy = (INV(dx)*INV(dy))/144.;
+ CCTK_REAL const p1o144dxdz = (INV(dx)*INV(dz))/144.;
+ CCTK_REAL const p1o144dydz = (INV(dy)*INV(dz))/144.;
+ CCTK_REAL const pm1o12dx2 = -pow(dx,-2)/12.;
+ CCTK_REAL const pm1o12dy2 = -pow(dy,-2)/12.;
+ CCTK_REAL const 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_lsh[0],cctk_lsh[1],cctk_lsh[2])
+ {
+ // int index = INITVALUE;
+ int const index = CCTK_GFINDEX3D(cctkGH,i,j,k);
+ /* Declare derivatives */
+ // CCTK_REAL PDstandardNth11u = INITVALUE;
+ // CCTK_REAL PDstandardNth22u = INITVALUE;
+ // CCTK_REAL PDstandardNth33u = INITVALUE;
+
+ /* Assign local copies of grid functions */
+ CCTK_REAL_VEC rhoL = vec_load(rho[index]);
+ CCTK_REAL_VEC uL = vec_load(u[index]);
+
+ /* Include user supplied include files */
+
+ /* Precompute derivatives */
+ CCTK_REAL_VEC const PDstandardNth11u = PDstandardNth11(u, i, j, k);
+ CCTK_REAL_VEC const PDstandardNth22u = PDstandardNth22(u, i, j, k);
+ CCTK_REAL_VEC const PDstandardNth33u = PDstandardNth33(u, i, j, k);
+
+ /* Calculate temporaries and grid functions */
+ CCTK_REAL_VEC urhsL = rhoL;
+
+ CCTK_REAL_VEC rhorhsL = PDstandardNth11u + PDstandardNth22u +
+ PDstandardNth33u;
+
+
+ /* Copy local copies back to grid functions */
+ vec_store_nta(rhorhs[index],rhorhsL);
+ vec_store_nta(urhs[index],urhsL);
+ }
+ LC_ENDLOOP3 (WT_RHS);
+}
+
+extern "C" void WT_RHS(CCTK_ARGUMENTS)
+{
+ DECLARE_CCTK_ARGUMENTS;
+ DECLARE_CCTK_PARAMETERS;
+
+ GenericFD_LoopOverInterior(cctkGH, &WT_RHS_Body);
+}