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module SELF_MappedTwoPointVector_3D

  use SELF_MappedTwoPointVector_3D_t
  use SELF_GPU
  use SELF_GPUInterfaces
  use iso_c_binding

  implicit none

  type,extends(MappedTwoPointVector3D_t),public :: MappedTwoPointVector3D

  contains

    generic,public :: MappedDivergence => MappedDivergence_MappedTwoPointVector3D
    procedure,private :: MappedDivergence_MappedTwoPointVector3D

  endtype MappedTwoPointVector3D

contains

  subroutine MappedDivergence_MappedTwoPointVector3D(this,df)
    !! GPU implementation of the physical-space split-form divergence for
    !! a 3-D two-point vector on a curvilinear mesh.
    !!
    !! interior_gpu must already contain pre-projected SCALAR contravariant
    !! two-point fluxes.  Applies the reference-element split-form sum then
    !! divides by J.
    implicit none
    class(MappedTwoPointVector3D),intent(inout) :: this
    type(c_ptr),intent(out) :: df

    call TwoPointVectorDivergence_3D_gpu(this%interior_gpu,df, &
                                         this%interp%dSplitMatrix_gpu, &
                                         this%interp%N,this%nVar,this%nElem)

    call JacobianWeight_3D_gpu(df,this%geometry%J%interior_gpu, &
                               this%interp%N,this%nVar,this%nElem)

  endsubroutine MappedDivergence_MappedTwoPointVector3D

endmodule SELF_MappedTwoPointVector_3D