diff options
Diffstat (limited to 'ML_ADM/src/ML_ADM_Minkowski.c')
-rw-r--r-- | ML_ADM/src/ML_ADM_Minkowski.c | 180 |
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); +} |