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-rw-r--r--ML_BSSN/src/ML_BSSN_InitGamma.cc128
1 files changed, 128 insertions, 0 deletions
diff --git a/ML_BSSN/src/ML_BSSN_InitGamma.cc b/ML_BSSN/src/ML_BSSN_InitGamma.cc
new file mode 100644
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--- /dev/null
+++ b/ML_BSSN/src/ML_BSSN_InitGamma.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 <string.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 QAD(x) (SQR(SQR(x)))
+#define INV(x) ((1.0) / (x))
+#define SQR(x) ((x) * (x))
+#define CUB(x) ((x) * (x) * (x))
+
+static void ML_BSSN_InitGamma_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 ML_BSSN_InitGamma_Body");
+ }
+
+ if (cctk_iteration % ML_BSSN_InitGamma_calc_every != ML_BSSN_InitGamma_calc_offset)
+ {
+ return;
+ }
+
+ const char *groups[] = {"ML_BSSN::ML_Gamma"};
+ GenericFD_AssertGroupStorage(cctkGH, "ML_BSSN_InitGamma", 1, groups);
+
+
+ /* Include user-supplied include files */
+
+ /* Initialise finite differencing variables */
+ ptrdiff_t const di = 1;
+ ptrdiff_t const dj = CCTK_GFINDEX3D(cctkGH,0,1,0) - CCTK_GFINDEX3D(cctkGH,0,0,0);
+ ptrdiff_t const dk = CCTK_GFINDEX3D(cctkGH,0,0,1) - CCTK_GFINDEX3D(cctkGH,0,0,0);
+ ptrdiff_t const cdi = sizeof(CCTK_REAL) * di;
+ ptrdiff_t const cdj = sizeof(CCTK_REAL) * dj;
+ ptrdiff_t const cdk = sizeof(CCTK_REAL) * dk;
+ CCTK_REAL const dx = ToReal(CCTK_DELTA_SPACE(0));
+ CCTK_REAL const dy = ToReal(CCTK_DELTA_SPACE(1));
+ CCTK_REAL const dz = ToReal(CCTK_DELTA_SPACE(2));
+ CCTK_REAL const dt = ToReal(CCTK_DELTA_TIME);
+ CCTK_REAL const dxi = INV(dx);
+ CCTK_REAL const dyi = INV(dy);
+ CCTK_REAL const dzi = INV(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 = 0.0833333333333333333333333333333*INV(dx);
+ CCTK_REAL const p1o12dy = 0.0833333333333333333333333333333*INV(dy);
+ CCTK_REAL const p1o12dz = 0.0833333333333333333333333333333*INV(dz);
+ CCTK_REAL const p1o144dxdy = 0.00694444444444444444444444444444*INV(dx)*INV(dy);
+ CCTK_REAL const p1o144dxdz = 0.00694444444444444444444444444444*INV(dx)*INV(dz);
+ CCTK_REAL const p1o144dydz = 0.00694444444444444444444444444444*INV(dy)*INV(dz);
+ CCTK_REAL const p1o24dx = 0.0416666666666666666666666666667*INV(dx);
+ CCTK_REAL const p1o24dy = 0.0416666666666666666666666666667*INV(dy);
+ CCTK_REAL const p1o24dz = 0.0416666666666666666666666666667*INV(dz);
+ CCTK_REAL const p1o64dx = 0.015625*INV(dx);
+ CCTK_REAL const p1o64dy = 0.015625*INV(dy);
+ CCTK_REAL const p1o64dz = 0.015625*INV(dz);
+ CCTK_REAL const p1odx = INV(dx);
+ CCTK_REAL const p1ody = INV(dy);
+ CCTK_REAL const p1odz = INV(dz);
+ CCTK_REAL const pm1o12dx2 = -0.0833333333333333333333333333333*INV(SQR(dx));
+ CCTK_REAL const pm1o12dy2 = -0.0833333333333333333333333333333*INV(SQR(dy));
+ CCTK_REAL const pm1o12dz2 = -0.0833333333333333333333333333333*INV(SQR(dz));
+
+ /* Loop over the grid points */
+ #pragma omp parallel
+ LC_LOOP3 (ML_BSSN_InitGamma,
+ i,j,k, min[0],min[1],min[2], max[0],max[1],max[2],
+ cctk_lsh[0],cctk_lsh[1],cctk_lsh[2])
+ {
+ ptrdiff_t const index = di*i + dj*j + dk*k;
+
+ /* Assign local copies of grid functions */
+
+
+
+ /* Include user supplied include files */
+
+ /* Precompute derivatives */
+
+ /* Calculate temporaries and grid functions */
+ CCTK_REAL Xt1L = 0;
+
+ CCTK_REAL Xt2L = 0;
+
+ CCTK_REAL Xt3L = 0;
+
+ /* Copy local copies back to grid functions */
+ Xt1[index] = Xt1L;
+ Xt2[index] = Xt2L;
+ Xt3[index] = Xt3L;
+ }
+ LC_ENDLOOP3 (ML_BSSN_InitGamma);
+}
+
+extern "C" void ML_BSSN_InitGamma(CCTK_ARGUMENTS)
+{
+ DECLARE_CCTK_ARGUMENTS;
+ DECLARE_CCTK_PARAMETERS;
+
+ GenericFD_LoopOverEverything(cctkGH, &ML_BSSN_InitGamma_Body);
+}