Generate and add 8th order version as well

1 files changed, 165 insertions, 0 deletions

diff --git a/ML_BSSN_O8/src/ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary.c b/ML_BSSN_O8/src/ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary.c
new file mode 100644
index 0000000..a1d9377
--- /dev/null
+++ b/ML_BSSN_O8/src/ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary.c
@@ -0,0 +1,165 @@
+/*  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 INV(x) ((1.0) / (x))
+#define SQR(x) ((x) * (x))
+#define CUB(x) ((x) * (x) * (x))
+#define QAD(x) ((x) * (x) * (x) * (x))
+
+void ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary_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 */
+  
+  /* Declare predefined quantities */
+  // CCTK_REAL p1o5040dx2 = INITVALUE;
+  // CCTK_REAL p1o5040dy2 = INITVALUE;
+  // CCTK_REAL p1o5040dz2 = INITVALUE;
+  // CCTK_REAL p1o705600dxdy = INITVALUE;
+  // CCTK_REAL p1o705600dxdz = INITVALUE;
+  // CCTK_REAL p1o705600dydz = INITVALUE;
+  // CCTK_REAL p1o840dx = INITVALUE;
+  // CCTK_REAL p1o840dy = INITVALUE;
+  // CCTK_REAL p1o840dz = INITVALUE;
+  // CCTK_REAL p1odx = INITVALUE;
+  // CCTK_REAL p1ody = INITVALUE;
+  // CCTK_REAL p1odz = INITVALUE;
+  // CCTK_REAL pm1o840dx = INITVALUE;
+  // CCTK_REAL pm1o840dy = INITVALUE;
+  // CCTK_REAL pm1o840dz = INITVALUE;
+  
+  if (verbose > 1)
+  {
+    CCTK_VInfo(CCTK_THORNSTRING,"Entering ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary_Body");
+  }
+  
+  if (cctk_iteration % ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary_calc_every != ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary_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 p1o5040dx2 = pow(dx,-2)/5040.;
+  CCTK_REAL const p1o5040dy2 = pow(dy,-2)/5040.;
+  CCTK_REAL const p1o5040dz2 = pow(dz,-2)/5040.;
+  CCTK_REAL const p1o705600dxdy = (INV(dx)*INV(dy))/705600.;
+  CCTK_REAL const p1o705600dxdz = (INV(dx)*INV(dz))/705600.;
+  CCTK_REAL const p1o705600dydz = (INV(dy)*INV(dz))/705600.;
+  CCTK_REAL const p1o840dx = INV(dx)/840.;
+  CCTK_REAL const p1o840dy = INV(dy)/840.;
+  CCTK_REAL const p1o840dz = INV(dz)/840.;
+  CCTK_REAL const p1odx = INV(dx);
+  CCTK_REAL const p1ody = INV(dy);
+  CCTK_REAL const p1odz = INV(dz);
+  CCTK_REAL const pm1o840dx = -INV(dx)/840.;
+  CCTK_REAL const pm1o840dy = -INV(dy)/840.;
+  CCTK_REAL const pm1o840dz = -INV(dz)/840.;
+  
+  /* Loop over the grid points */
+  #pragma omp parallel
+  LC_LOOP3 (ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary,
+            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 subblock_index = INITVALUE;
+    int const index = CCTK_GFINDEX3D(cctkGH,i,j,k);
+    int const 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 AL = INITVALUE;
+    // CCTK_REAL alphaL = INITVALUE;
+    // CCTK_REAL B1L = INITVALUE, B2L = INITVALUE, B3L = INITVALUE;
+    // CCTK_REAL dtalpL = INITVALUE;
+    // CCTK_REAL dtbetaxL = INITVALUE;
+    // CCTK_REAL dtbetayL = INITVALUE;
+    // CCTK_REAL dtbetazL = INITVALUE;
+    // CCTK_REAL trKL = INITVALUE;
+    /* Declare precomputed derivatives*/
+    
+    /* Declare derivatives */
+    
+    /* Assign local copies of grid functions */
+    CCTK_REAL const AL = A[index];
+    CCTK_REAL const alphaL = alpha[index];
+    CCTK_REAL const B1L = B1[index];
+    CCTK_REAL const B2L = B2[index];
+    CCTK_REAL const B3L = B3[index];
+    CCTK_REAL const trKL = trK[index];
+    
+    /* Assign local copies of subblock grid functions */
+    
+    /* Include user supplied include files */
+    
+    /* Precompute derivatives (new style) */
+    
+    /* Precompute derivatives (old style) */
+    
+    /* Calculate temporaries and grid functions */
+    CCTK_REAL const dtalpL  =  harmonicF*(AL*(-1 + LapseAdvectionCoeff) - LapseAdvectionCoeff*trKL)*pow(alphaL,harmonicN);
+    
+    CCTK_REAL const dtbetaxL  =  B1L*ShiftGammaCoeff;
+    
+    CCTK_REAL const dtbetayL  =  B2L*ShiftGammaCoeff;
+    
+    CCTK_REAL const dtbetazL  =  B3L*ShiftGammaCoeff;
+    
+    
+    /* Copy local copies back to grid functions */
+    dtalp[index] = dtalpL;
+    dtbetax[index] = dtbetaxL;
+    dtbetay[index] = dtbetayL;
+    dtbetaz[index] = dtbetazL;
+    
+    /* Copy local copies back to subblock grid functions */
+  }
+  LC_ENDLOOP3 (ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary);
+}
+
+void ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary(CCTK_ARGUMENTS)
+{
+  DECLARE_CCTK_ARGUMENTS;
+  DECLARE_CCTK_PARAMETERS;
+  
+  GenericFD_LoopOverBoundaryWithGhosts(cctkGH, &ML_BSSN_O8_convertToADMBaseDtLapseShiftBoundary_Body);
+}