/*  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"
#include "vectors.h"

/* Define macros used in calculations */
#define INITVALUE (42)
#define ScalarINV(x) ((CCTK_REAL)1.0 / (x))
#define ScalarSQR(x) ((x) * (x))
#define ScalarCUB(x) ((x) * ScalarSQR(x))
#define ScalarQAD(x) (ScalarSQR(ScalarSQR(x)))
#define INV(x) (kdiv(ToReal(1.0),x))
#define SQR(x) (kmul(x,x))
#define CUB(x) (kmul(x,SQR(x)))
#define QAD(x) (SQR(SQR(x)))

extern "C" void WT_EnergyBoundary_SelectBCs(CCTK_ARGUMENTS)
{
  DECLARE_CCTK_ARGUMENTS;
  DECLARE_CCTK_PARAMETERS;
  
  CCTK_INT ierr CCTK_ATTRIBUTE_UNUSED  = 0;
  ierr = Boundary_SelectGroupForBC(cctkGH, CCTK_ALL_FACES, GenericFD_GetBoundaryWidth(cctkGH), -1 /* no table */, "ML_WaveToy::WT_eps","flat");
  if (ierr < 0)
    CCTK_WARN(1, "Failed to register flat BC for ML_WaveToy::WT_eps.");
  return;
}

static void WT_EnergyBoundary_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;
  
  
  /* Include user-supplied include files */
  
  /* Initialise finite differencing variables */
  ptrdiff_t const di CCTK_ATTRIBUTE_UNUSED  = 1;
  ptrdiff_t const dj CCTK_ATTRIBUTE_UNUSED  = CCTK_GFINDEX3D(cctkGH,0,1,0) - CCTK_GFINDEX3D(cctkGH,0,0,0);
  ptrdiff_t const dk CCTK_ATTRIBUTE_UNUSED  = CCTK_GFINDEX3D(cctkGH,0,0,1) - CCTK_GFINDEX3D(cctkGH,0,0,0);
  ptrdiff_t const cdi CCTK_ATTRIBUTE_UNUSED  = sizeof(CCTK_REAL) * di;
  ptrdiff_t const cdj CCTK_ATTRIBUTE_UNUSED  = sizeof(CCTK_REAL) * dj;
  ptrdiff_t const cdk CCTK_ATTRIBUTE_UNUSED  = sizeof(CCTK_REAL) * dk;
  CCTK_REAL_VEC const dx CCTK_ATTRIBUTE_UNUSED  = ToReal(CCTK_DELTA_SPACE(0));
  CCTK_REAL_VEC const dy CCTK_ATTRIBUTE_UNUSED  = ToReal(CCTK_DELTA_SPACE(1));
  CCTK_REAL_VEC const dz CCTK_ATTRIBUTE_UNUSED  = ToReal(CCTK_DELTA_SPACE(2));
  CCTK_REAL_VEC const dt CCTK_ATTRIBUTE_UNUSED  = ToReal(CCTK_DELTA_TIME);
  CCTK_REAL_VEC const t CCTK_ATTRIBUTE_UNUSED  = ToReal(cctk_time);
  CCTK_REAL_VEC const dxi CCTK_ATTRIBUTE_UNUSED  = INV(dx);
  CCTK_REAL_VEC const dyi CCTK_ATTRIBUTE_UNUSED  = INV(dy);
  CCTK_REAL_VEC const dzi CCTK_ATTRIBUTE_UNUSED  = INV(dz);
  CCTK_REAL_VEC const khalf CCTK_ATTRIBUTE_UNUSED  = ToReal(0.5);
  CCTK_REAL_VEC const kthird CCTK_ATTRIBUTE_UNUSED  = ToReal(1.0/3.0);
  CCTK_REAL_VEC const ktwothird CCTK_ATTRIBUTE_UNUSED  = ToReal(2.0/3.0);
  CCTK_REAL_VEC const kfourthird CCTK_ATTRIBUTE_UNUSED  = ToReal(4.0/3.0);
  CCTK_REAL_VEC const keightthird CCTK_ATTRIBUTE_UNUSED  = ToReal(8.0/3.0);
  CCTK_REAL_VEC const hdxi CCTK_ATTRIBUTE_UNUSED  = kmul(ToReal(0.5), dxi);
  CCTK_REAL_VEC const hdyi CCTK_ATTRIBUTE_UNUSED  = kmul(ToReal(0.5), dyi);
  CCTK_REAL_VEC const hdzi CCTK_ATTRIBUTE_UNUSED  = kmul(ToReal(0.5), dzi);
  
  /* Initialize predefined quantities */
  CCTK_REAL_VEC const p1o12dx CCTK_ATTRIBUTE_UNUSED  = kdiv(ToReal(0.0833333333333333333333333333333),dx);
  CCTK_REAL_VEC const p1o12dy CCTK_ATTRIBUTE_UNUSED  = kdiv(ToReal(0.0833333333333333333333333333333),dy);
  CCTK_REAL_VEC const p1o12dz CCTK_ATTRIBUTE_UNUSED  = kdiv(ToReal(0.0833333333333333333333333333333),dz);
  CCTK_REAL_VEC const p1o144dxdy CCTK_ATTRIBUTE_UNUSED  = kdiv(ToReal(0.00694444444444444444444444444444),kmul(dy,dx));
  CCTK_REAL_VEC const p1o144dxdz CCTK_ATTRIBUTE_UNUSED  = kdiv(ToReal(0.00694444444444444444444444444444),kmul(dz,dx));
  CCTK_REAL_VEC const p1o144dydz CCTK_ATTRIBUTE_UNUSED  = kdiv(ToReal(0.00694444444444444444444444444444),kmul(dz,dy));
  CCTK_REAL_VEC const pm1o12dx2 CCTK_ATTRIBUTE_UNUSED  = kdiv(ToReal(-0.0833333333333333333333333333333),kmul(dx,dx));
  CCTK_REAL_VEC const pm1o12dy2 CCTK_ATTRIBUTE_UNUSED  = kdiv(ToReal(-0.0833333333333333333333333333333),kmul(dy,dy));
  CCTK_REAL_VEC const pm1o12dz2 CCTK_ATTRIBUTE_UNUSED  = kdiv(ToReal(-0.0833333333333333333333333333333),kmul(dz,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
  LC_LOOP3VEC(WT_EnergyBoundary,
    i,j,k, imin[0],imin[1],imin[2], imax[0],imax[1],imax[2],
    cctk_ash[0],cctk_ash[1],cctk_ash[2],
    CCTK_REAL_VEC_SIZE)
  {
    ptrdiff_t const index CCTK_ATTRIBUTE_UNUSED  = 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_VEC CCTK_ATTRIBUTE_UNUSED epsL = ToReal(0);
    
    /* Copy local copies back to grid functions */
    vec_store_partial_prepare(i,lc_imin,lc_imax);
    vec_store_nta_partial(eps[index],epsL);
  }
  LC_ENDLOOP3VEC(WT_EnergyBoundary);
}

extern "C" void WT_EnergyBoundary(CCTK_ARGUMENTS)
{
  DECLARE_CCTK_ARGUMENTS;
  DECLARE_CCTK_PARAMETERS;
  
  
  if (verbose > 1)
  {
    CCTK_VInfo(CCTK_THORNSTRING,"Entering WT_EnergyBoundary_Body");
  }
  
  if (cctk_iteration % WT_EnergyBoundary_calc_every != WT_EnergyBoundary_calc_offset)
  {
    return;
  }
  
  const char *const groups[] = {
    "ML_WaveToy::WT_eps"};
  GenericFD_AssertGroupStorage(cctkGH, "WT_EnergyBoundary", 1, groups);
  
  
  GenericFD_LoopOverBoundary(cctkGH, WT_EnergyBoundary_Body);
  
  if (verbose > 1)
  {
    CCTK_VInfo(CCTK_THORNSTRING,"Leaving WT_EnergyBoundary_Body");
  }
}