#undef KRANC_DIFF_FUNCTIONS
#define KRANC_C
#include "Differencing.h"
#include "GenericFD.h"

#undef KRANC_GFOFFSET3D
#define KRANC_GFOFFSET3D(u,i,j,k) I3D(u,i,j,k)


/* Define macros used in calculations */
#define INITVALUE (42)
#define INV(x) ((CCTK_REAL)1.0 / (x))
#define SQR(x) ((x) * (x))
#define CUB(x) ((x) * SQR(x))
#define QAD(x) (SQR(SQR(x)))

CAKERNEL_calc_rhs_2_Begin
  
  /* Include user-supplied include files */
  
  /* Initialise finite differencing variables */
  CCTK_REAL /*const*/ dx CCTK_ATTRIBUTE_UNUSED  = params.cagh_dx;
  CCTK_REAL /*const*/ dy CCTK_ATTRIBUTE_UNUSED  = params.cagh_dy;
  CCTK_REAL /*const*/ dz CCTK_ATTRIBUTE_UNUSED  = params.cagh_dz;
  CCTK_REAL /*const*/ dt CCTK_ATTRIBUTE_UNUSED  = params.cagh_dt;
  CCTK_REAL /*const*/ t CCTK_ATTRIBUTE_UNUSED  = params.cagh_time;
  CCTK_REAL /*const*/ dxi CCTK_ATTRIBUTE_UNUSED  = INV(dx);
  CCTK_REAL /*const*/ dyi CCTK_ATTRIBUTE_UNUSED  = INV(dy);
  CCTK_REAL /*const*/ dzi CCTK_ATTRIBUTE_UNUSED  = INV(dz);
  CCTK_REAL /*const*/ khalf CCTK_ATTRIBUTE_UNUSED  = 0.5;
  CCTK_REAL /*const*/ kthird CCTK_ATTRIBUTE_UNUSED  = 1/3.0;
  CCTK_REAL /*const*/ ktwothird CCTK_ATTRIBUTE_UNUSED  = 2.0/3.0;
  CCTK_REAL /*const*/ kfourthird CCTK_ATTRIBUTE_UNUSED  = 4.0/3.0;
  CCTK_REAL /*const*/ keightthird CCTK_ATTRIBUTE_UNUSED  = 8.0/3.0;
  CCTK_REAL /*const*/ hdxi CCTK_ATTRIBUTE_UNUSED  = 0.5 * dxi;
  CCTK_REAL /*const*/ hdyi CCTK_ATTRIBUTE_UNUSED  = 0.5 * dyi;
  CCTK_REAL /*const*/ hdzi CCTK_ATTRIBUTE_UNUSED  = 0.5 * dzi;
  
  /* Initialize predefined quantities */
  CCTK_REAL /*const*/ p1o12dx CCTK_ATTRIBUTE_UNUSED  = 0.0833333333333333333333333333333*INV(dx);
  CCTK_REAL /*const*/ p1o12dy CCTK_ATTRIBUTE_UNUSED  = 0.0833333333333333333333333333333*INV(dy);
  CCTK_REAL /*const*/ p1o12dz CCTK_ATTRIBUTE_UNUSED  = 0.0833333333333333333333333333333*INV(dz);
  CCTK_REAL /*const*/ p1o144dxdy CCTK_ATTRIBUTE_UNUSED  = 0.00694444444444444444444444444444*INV(dx*dy);
  CCTK_REAL /*const*/ p1o144dxdz CCTK_ATTRIBUTE_UNUSED  = 0.00694444444444444444444444444444*INV(dx*dz);
  CCTK_REAL /*const*/ p1o144dydz CCTK_ATTRIBUTE_UNUSED  = 0.00694444444444444444444444444444*INV(dy*dz);
  CCTK_REAL /*const*/ p1o2dx CCTK_ATTRIBUTE_UNUSED  = 0.5*INV(dx);
  CCTK_REAL /*const*/ p1o2dy CCTK_ATTRIBUTE_UNUSED  = 0.5*INV(dy);
  CCTK_REAL /*const*/ p1o2dz CCTK_ATTRIBUTE_UNUSED  = 0.5*INV(dz);
  CCTK_REAL /*const*/ p1o4dxdy CCTK_ATTRIBUTE_UNUSED  = 0.25*INV(dx*dy);
  CCTK_REAL /*const*/ p1o4dxdz CCTK_ATTRIBUTE_UNUSED  = 0.25*INV(dx*dz);
  CCTK_REAL /*const*/ p1o4dydz CCTK_ATTRIBUTE_UNUSED  = 0.25*INV(dy*dz);
  CCTK_REAL /*const*/ p1odx2 CCTK_ATTRIBUTE_UNUSED  = INV(SQR(dx));
  CCTK_REAL /*const*/ p1ody2 CCTK_ATTRIBUTE_UNUSED  = INV(SQR(dy));
  CCTK_REAL /*const*/ p1odz2 CCTK_ATTRIBUTE_UNUSED  = INV(SQR(dz));
  CCTK_REAL /*const*/ pm1o12dx2 CCTK_ATTRIBUTE_UNUSED  = -0.0833333333333333333333333333333*INV(SQR(dx));
  CCTK_REAL /*const*/ pm1o12dy2 CCTK_ATTRIBUTE_UNUSED  = -0.0833333333333333333333333333333*INV(SQR(dy));
  CCTK_REAL /*const*/ pm1o12dz2 CCTK_ATTRIBUTE_UNUSED  = -0.0833333333333333333333333333333*INV(SQR(dz));
  
  /* Assign local copies of arrays functions */
  
  
  
  /* Calculate temporaries and arrays functions */
  
  /* Copy local copies back to grid functions */
  CAKERNEL_calc_rhs_2_Computations_Begin
    
    /* Assign local copies of grid functions */
    
    CCTK_REAL phiL CCTK_ATTRIBUTE_UNUSED = I3D(phi,0,0,0);
    CCTK_REAL piL CCTK_ATTRIBUTE_UNUSED = I3D(pi,0,0,0);
    
    
    /* Include user supplied include files */
    
    /* Precompute derivatives */
    CCTK_REAL /*const*/ PDstandard2th11phi CCTK_ATTRIBUTE_UNUSED  = PDstandard2th11(phi);
    CCTK_REAL /*const*/ PDstandard2th22phi CCTK_ATTRIBUTE_UNUSED  = PDstandard2th22(phi);
    CCTK_REAL /*const*/ PDstandard2th33phi CCTK_ATTRIBUTE_UNUSED  = PDstandard2th33(phi);
    
    /* Calculate temporaries and grid functions */
    CCTK_REAL CCTK_ATTRIBUTE_UNUSED phirhsL = piL;
    
    CCTK_REAL CCTK_ATTRIBUTE_UNUSED pirhsL = PDstandard2th11phi + 
      PDstandard2th22phi + PDstandard2th33phi;
    
    /* Copy local copies back to grid functions */
    I3D(phirhs,0,0,0) = phirhsL;
    I3D(pirhs,0,0,0) = pirhsL;
    
  CAKERNEL_calc_rhs_2_Computations_End
  
CAKERNEL_calc_rhs_2_End