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Diffstat (limited to 'Examples/EMScript/src/EM_constraints.cc')
-rw-r--r-- | Examples/EMScript/src/EM_constraints.cc | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/Examples/EMScript/src/EM_constraints.cc b/Examples/EMScript/src/EM_constraints.cc new file mode 100644 index 0000000..2387960 --- /dev/null +++ b/Examples/EMScript/src/EM_constraints.cc @@ -0,0 +1,199 @@ +/* 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 "cctk_Loop.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)) + +extern "C" void EM_constraints_SelectBCs(CCTK_ARGUMENTS) +{ + DECLARE_CCTK_ARGUMENTS; + DECLARE_CCTK_PARAMETERS; + + CCTK_INT ierr = 0; + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "EMScript::CB_group","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for EMScript::CB_group."); + ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "EMScript::CEl_group","flat"); + if (ierr < 0) + CCTK_WARN(1, "Failed to register flat BC for EMScript::CEl_group."); + return; +} + +static void EM_constraints_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 imin[3], int const imax[3], int const n_subblock_gfs, CCTK_REAL * restrict const subblock_gfs[]) +{ + DECLARE_CCTK_ARGUMENTS; + DECLARE_CCTK_PARAMETERS; + + + /* Declare finite differencing variables */ + + /* 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 t = ToReal(cctk_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 p1o2dx = 0.5*INV(dx); + CCTK_REAL const p1o2dy = 0.5*INV(dy); + CCTK_REAL const p1o2dz = 0.5*INV(dz); + CCTK_REAL const p1o4dxdy = 0.25*INV(dx)*INV(dy); + CCTK_REAL const p1o4dxdz = 0.25*INV(dx)*INV(dz); + CCTK_REAL const p1o4dydz = 0.25*INV(dy)*INV(dz); + CCTK_REAL const p1odx2 = INV(SQR(dx)); + CCTK_REAL const p1ody2 = INV(SQR(dy)); + CCTK_REAL const p1odz2 = INV(SQR(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)); + + /* Assign local copies of arrays functions */ + + + + /* Calculate temporaries and arrays functions */ + + /* Copy local copies back to grid functions */ + + /* Loop over the grid points */ + #pragma omp parallel + CCTK_LOOP3 (EM_constraints, + i,j,k, imin[0],imin[1],imin[2], imax[0],imax[1],imax[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 */ + + CCTK_REAL B1L = B1[index]; + CCTK_REAL B2L = B2[index]; + CCTK_REAL B3L = B3[index]; + CCTK_REAL El1L = El1[index]; + CCTK_REAL El2L = El2[index]; + CCTK_REAL El3L = El3[index]; + + + /* Include user supplied include files */ + + /* Precompute derivatives */ + CCTK_REAL PDstandard1B1; + CCTK_REAL PDstandard2B2; + CCTK_REAL PDstandard3B3; + CCTK_REAL PDstandard1El1; + CCTK_REAL PDstandard2El2; + CCTK_REAL PDstandard3El3; + + switch(fdOrder) + { + case 2: + PDstandard1B1 = PDstandardfdOrder21(&B1[index]); + PDstandard2B2 = PDstandardfdOrder22(&B2[index]); + PDstandard3B3 = PDstandardfdOrder23(&B3[index]); + PDstandard1El1 = PDstandardfdOrder21(&El1[index]); + PDstandard2El2 = PDstandardfdOrder22(&El2[index]); + PDstandard3El3 = PDstandardfdOrder23(&El3[index]); + break; + + case 4: + PDstandard1B1 = PDstandardfdOrder41(&B1[index]); + PDstandard2B2 = PDstandardfdOrder42(&B2[index]); + PDstandard3B3 = PDstandardfdOrder43(&B3[index]); + PDstandard1El1 = PDstandardfdOrder41(&El1[index]); + PDstandard2El2 = PDstandardfdOrder42(&El2[index]); + PDstandard3El3 = PDstandardfdOrder43(&El3[index]); + break; + } + + /* Calculate temporaries and grid functions */ + CCTK_REAL CElL = PDstandard1El1 + PDstandard2El2 + PDstandard3El3; + + CCTK_REAL CBL = PDstandard1B1 + PDstandard2B2 + PDstandard3B3; + + /* Copy local copies back to grid functions */ + CB[index] = CBL; + CEl[index] = CElL; + } + CCTK_ENDLOOP3 (EM_constraints); +} + +extern "C" void EM_constraints(CCTK_ARGUMENTS) +{ + DECLARE_CCTK_ARGUMENTS; + DECLARE_CCTK_PARAMETERS; + + + if (verbose > 1) + { + CCTK_VInfo(CCTK_THORNSTRING,"Entering EM_constraints_Body"); + } + + if (cctk_iteration % EM_constraints_calc_every != EM_constraints_calc_offset) + { + return; + } + + const char *groups[] = {"EMScript::B_group","EMScript::CB_group","EMScript::CEl_group","EMScript::El_group"}; + GenericFD_AssertGroupStorage(cctkGH, "EM_constraints", 4, groups); + + switch(fdOrder) + { + case 2: + GenericFD_EnsureStencilFits(cctkGH, "EM_constraints", 1, 1, 1); + break; + + case 4: + GenericFD_EnsureStencilFits(cctkGH, "EM_constraints", 2, 2, 2); + break; + } + + GenericFD_LoopOverInterior(cctkGH, &EM_constraints_Body); + + if (verbose > 1) + { + CCTK_VInfo(CCTK_THORNSTRING,"Leaving EM_constraints_Body"); + } +} |