1 files changed, 180 insertions, 0 deletions
diff --git a/ML_ADM/src/ML_ADM_Minkowski.c b/ML_ADM/src/ML_ADM_Minkowski.c
new file mode 100644
index 0000000..25d37cf
--- /dev/null
+++ b/ML_ADM/src/ML_ADM_Minkowski.c
@@ -0,0 +1,180 @@
+/*  File produced by user eschnett */
+/*  Produced with Mathematica Version 6.0 for Mac OS X x86 (32-bit) (April 20, 2007) */
+
+/*  Mathematica script written by Ian Hinder and Sascha Husa */
+
+#define KRANC_C
+
+#include <math.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_ADM_Minkowski_Body(cGH *cctkGH, CCTK_INT dir, CCTK_INT face, CCTK_REAL normal[3], CCTK_REAL tangentA[3], CCTK_REAL tangentB[3], CCTK_INT min[3], CCTK_INT max[3], CCTK_INT n_subblock_gfs, CCTK_REAL *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 p1o144dxdy = INITVALUE;
+  CCTK_REAL p1o144dxdz = INITVALUE;
+  CCTK_REAL p1o144dydz = INITVALUE;
+  CCTK_REAL pm1o12dx2 = INITVALUE;
+  CCTK_REAL pm1o12dy2 = INITVALUE;
+  CCTK_REAL pm1o12dz2 = INITVALUE;
+  
+  if (verbose > 1)
+  {
+    CCTK_VInfo(CCTK_THORNSTRING,"Entering ML_ADM_Minkowski_Body");
+  }
+  
+  if (cctk_iteration % ML_ADM_Minkowski_calc_every != ML_ADM_Minkowski_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.;
+  p1o144dxdy = (INV(dx)*INV(dy))/144.;
+  p1o144dxdz = (INV(dx)*INV(dz))/144.;
+  p1o144dydz = (INV(dy)*INV(dz))/144.;
+  pm1o12dx2 = -pow(dx,-2)/12.;
+  pm1o12dy2 = -pow(dy,-2)/12.;
+  pm1o12dz2 = -pow(dz,-2)/12.;
+  
+  /* Loop over the grid points */
+  LC_LOOP3 (somename,
+            i,j,k, min[0],min[1],min[2], max[0],max[1],max[2],
+            max[0]-min[0],max[1]-min[1],max[2]-min[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 alphaL = INITVALUE;
+    CCTK_REAL beta1L = INITVALUE, beta2L = INITVALUE, beta3L = INITVALUE;
+    CCTK_REAL g11L = INITVALUE, g21L = INITVALUE, g22L = INITVALUE, g31L = INITVALUE, g32L = INITVALUE, g33L = INITVALUE;
+    CCTK_REAL K11L = INITVALUE, K21L = INITVALUE, K22L = INITVALUE, K31L = INITVALUE, K32L = INITVALUE, K33L = INITVALUE;
+    /* Declare precomputed derivatives*/
+    
+    /* Declare derivatives */
+    
+    /* Assign local copies of grid functions */
+    
+    /* 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 */
+    g11L  =  1;
+    
+    g21L  =  0;
+    
+    g31L  =  0;
+    
+    g22L  =  1;
+    
+    g32L  =  0;
+    
+    g33L  =  1;
+    
+    K11L  =  0;
+    
+    K21L  =  0;
+    
+    K31L  =  0;
+    
+    K22L  =  0;
+    
+    K32L  =  0;
+    
+    K33L  =  0;
+    
+    alphaL  =  1;
+    
+    beta1L  =  0;
+    
+    beta2L  =  0;
+    
+    beta3L  =  0;
+    
+    
+    /* Copy local copies back to grid functions */
+    alpha[index] = alphaL;
+    beta1[index] = beta1L;
+    beta2[index] = beta2L;
+    beta3[index] = beta3L;
+    g11[index] = g11L;
+    g21[index] = g21L;
+    g22[index] = g22L;
+    g31[index] = g31L;
+    g32[index] = g32L;
+    g33[index] = g33L;
+    K11[index] = K11L;
+    K21[index] = K21L;
+    K22[index] = K22L;
+    K31[index] = K31L;
+    K32[index] = K32L;
+    K33[index] = K33L;
+    
+    /* Copy local copies back to subblock grid functions */
+  }
+  LC_ENDLOOP3 (somename);
+}
+
+void ML_ADM_Minkowski(CCTK_ARGUMENTS)
+{
+  DECLARE_CCTK_ARGUMENTS
+  DECLARE_CCTK_PARAMETERS
+  
+  GenericFD_LoopOverEverything(cctkGH, &ML_ADM_Minkowski_Body);
+}