/*  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)))

static void WT_Standing_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 = 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_VEC const dx = ToReal(CCTK_DELTA_SPACE(0));
  CCTK_REAL_VEC const dy = ToReal(CCTK_DELTA_SPACE(1));
  CCTK_REAL_VEC const dz = ToReal(CCTK_DELTA_SPACE(2));
  CCTK_REAL_VEC const dt = ToReal(CCTK_DELTA_TIME);
  CCTK_REAL_VEC const t = ToReal(cctk_time);
  CCTK_REAL_VEC const dxi = INV(dx);
  CCTK_REAL_VEC const dyi = INV(dy);
  CCTK_REAL_VEC const dzi = INV(dz);
  CCTK_REAL_VEC const khalf = ToReal(0.5);
  CCTK_REAL_VEC const kthird = ToReal(1.0/3.0);
  CCTK_REAL_VEC const ktwothird = ToReal(2.0/3.0);
  CCTK_REAL_VEC const kfourthird = ToReal(4.0/3.0);
  CCTK_REAL_VEC const keightthird = ToReal(8.0/3.0);
  CCTK_REAL_VEC const hdxi = kmul(ToReal(0.5), dxi);
  CCTK_REAL_VEC const hdyi = kmul(ToReal(0.5), dyi);
  CCTK_REAL_VEC const hdzi = kmul(ToReal(0.5), dzi);
  
  /* Initialize predefined quantities */
  CCTK_REAL_VEC const p1o12dx = kdiv(ToReal(0.0833333333333333333333333333333),dx);
  CCTK_REAL_VEC const p1o12dy = kdiv(ToReal(0.0833333333333333333333333333333),dy);
  CCTK_REAL_VEC const p1o12dz = kdiv(ToReal(0.0833333333333333333333333333333),dz);
  CCTK_REAL_VEC const p1o144dxdy = kdiv(ToReal(0.00694444444444444444444444444444),kmul(dy,dx));
  CCTK_REAL_VEC const p1o144dxdz = kdiv(ToReal(0.00694444444444444444444444444444),kmul(dz,dx));
  CCTK_REAL_VEC const p1o144dydz = kdiv(ToReal(0.00694444444444444444444444444444),kmul(dz,dy));
  CCTK_REAL_VEC const pm1o12dx2 = kdiv(ToReal(-0.0833333333333333333333333333333),kmul(dx,dx));
  CCTK_REAL_VEC const pm1o12dy2 = kdiv(ToReal(-0.0833333333333333333333333333333),kmul(dy,dy));
  CCTK_REAL_VEC const pm1o12dz2 = 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_Standing,
    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 = di*i + dj*j + dk*k;
    
    /* Assign local copies of grid functions */
    
    CCTK_REAL_VEC xL = vec_load(x[index]);
    CCTK_REAL_VEC yL = vec_load(y[index]);
    CCTK_REAL_VEC zL = vec_load(z[index]);
    
    
    /* Include user supplied include files */
    
    /* Precompute derivatives */
    
    /* Calculate temporaries and grid functions */
    CCTK_REAL_VEC k = ToReal(Pi*ScalarINV(width));
    
    CCTK_REAL_VEC omega = ksqrt(kmul(kmul(k,k),ToReal(3)));
    
    CCTK_REAL_VEC uL = 
      kmul(kcos(kmul(xL,k)),kmul(kcos(kmul(yL,k)),kmul(kcos(kmul(zL,k)),kmul(kcos(kmul(omega,t)),ToReal(amplitude)))));
    
    CCTK_REAL_VEC rhoL = 
      kneg(kmul(omega,kmul(kcos(kmul(xL,k)),kmul(kcos(kmul(yL,k)),kmul(kcos(kmul(zL,k)),kmul(ksin(kmul(omega,t)),ToReal(amplitude)))))));
    
    /* Copy local copies back to grid functions */
    vec_store_partial_prepare(i,lc_imin,lc_imax);
    vec_store_nta_partial(rho[index],rhoL);
    vec_store_nta_partial(u[index],uL);
  }
  LC_ENDLOOP3VEC(WT_Standing);
}

extern "C" void WT_Standing(CCTK_ARGUMENTS)
{
  DECLARE_CCTK_ARGUMENTS;
  DECLARE_CCTK_PARAMETERS;
  
  
  if (verbose > 1)
  {
    CCTK_VInfo(CCTK_THORNSTRING,"Entering WT_Standing_Body");
  }
  
  if (cctk_iteration % WT_Standing_calc_every != WT_Standing_calc_offset)
  {
    return;
  }
  
  const char *const groups[] = {
    "grid::coordinates",
    "ML_WaveToy::WT_rho",
    "ML_WaveToy::WT_u"};
  GenericFD_AssertGroupStorage(cctkGH, "WT_Standing", 3, groups);
  
  
  GenericFD_LoopOverEverything(cctkGH, WT_Standing_Body);
  
  if (verbose > 1)
  {
    CCTK_VInfo(CCTK_THORNSTRING,"Leaving WT_Standing_Body");
  }
}