diff options
Diffstat (limited to 'Examples/EulerAuto/src/eulerauto_cons_calc_conserved.cc')
-rw-r--r-- | Examples/EulerAuto/src/eulerauto_cons_calc_conserved.cc | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/Examples/EulerAuto/src/eulerauto_cons_calc_conserved.cc b/Examples/EulerAuto/src/eulerauto_cons_calc_conserved.cc new file mode 100644 index 0000000..9f483da --- /dev/null +++ b/Examples/EulerAuto/src/eulerauto_cons_calc_conserved.cc @@ -0,0 +1,128 @@ +/* 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" + +/* 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 eulerauto_cons_calc_conserved_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 the variables used for looping over grid points */ + CCTK_INT i, j, k; + // CCTK_INT index = INITVALUE; + + /* Declare finite differencing variables */ + + if (verbose > 1) + { + CCTK_VInfo(CCTK_THORNSTRING,"Entering eulerauto_cons_calc_conserved_Body"); + } + + if (cctk_iteration % eulerauto_cons_calc_conserved_calc_every != eulerauto_cons_calc_conserved_calc_offset) + { + return; + } + + const char *groups[] = {"EulerAuto::Den_group","EulerAuto::En_group","EulerAuto::p_group","EulerAuto::rho_group","EulerAuto::S_group","EulerAuto::v_group"}; + GenericFD_AssertGroupStorage(cctkGH, "eulerauto_cons_calc_conserved", 6, 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); + 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 p1o1 = 1; + CCTK_REAL const p1odx = INV(dx); + CCTK_REAL const p1ody = INV(dy); + CCTK_REAL const p1odz = INV(dz); + + /* Loop over the grid points */ + for (k = min[2]; k < max[2]; k++) + { + for (j = min[1]; j < max[1]; j++) + { + for (i = min[0]; i < max[0]; i++) + { + int const index = CCTK_GFINDEX3D(cctkGH,i,j,k) ; + + /* Assign local copies of grid functions */ + + CCTK_REAL pL = p[index]; + CCTK_REAL rhoL = rho[index]; + CCTK_REAL v1L = v1[index]; + CCTK_REAL v2L = v2[index]; + CCTK_REAL v3L = v3[index]; + + + /* Include user supplied include files */ + + /* Precompute derivatives */ + + /* Calculate temporaries and grid functions */ + CCTK_REAL DenL = rhoL; + + CCTK_REAL S1L = rhoL*v1L; + + CCTK_REAL S2L = rhoL*v2L; + + CCTK_REAL S3L = rhoL*v3L; + + CCTK_REAL EnL = pL*INV(-1 + ToReal(gamma)) + 0.5*rhoL*(SQR(v1L) + + SQR(v2L) + SQR(v3L)); + + /* Copy local copies back to grid functions */ + Den[index] = DenL; + En[index] = EnL; + S1[index] = S1L; + S2[index] = S2L; + S3[index] = S3L; + } + } + } +} + +extern "C" void eulerauto_cons_calc_conserved(CCTK_ARGUMENTS) +{ + DECLARE_CCTK_ARGUMENTS; + DECLARE_CCTK_PARAMETERS; + + GenericFD_LoopOverEverything(cctkGH, &eulerauto_cons_calc_conserved_Body); +} |