# Interface definition for thorn CoupledDiffusion2D
# $Header$

implements: diff2d

inherits: grid

CCTK_REAL fields type=GF dim=3 timelevels=3
{
   u0, u1, u2, u3
} "The fields"

CCTK_REAL stencil type=GF dim=3 timelevels=1
{
   cc00, ce00, cw00, cn00, cs00
   cc11, ce11, cw11, cn11, cs11
   cc22, ce22, cw22, cn22, cs22
   cc33, ce33, cw33, cn33, cs33,
   cc01, cc02, cc10, cc13, cc20, cc23, cc31, cc32
} "The stencil coefficients"

CCTK_REAL rhs type=GF dim=3 timelevels=1
{
   R0, R1, R2, R3
} "The right-hand-side vectors"

CCTK_REAL sources type=GF dim=3 timelevels=1
{
   S0, S1, S2, S3
} "The source terms"

CCTK_REAL cgwsnosync type=GF dim=3 timelevels=1
{
   Ap0, Ap1, Ap2, Ap3,
   As0, As1, As2, As3,
   sumGF
} "Workspace for the CG solver"

CCTK_REAL cgwsw type=GF dim=3 timelevels=1
{
   w0, w1, w2, w3
} "Workspace for the CG solver"

CCTK_REAL cgwsp type=GF dim=3 timelevels=1
{
   p0, p1, p2, p3
} "Workspace for the CG solver"