MappedDivergence_MappedVector2D Subroutine

  subroutine MappedDivergence_MappedVector2D(this,df)
    implicit none
    class(MappedVector2D),intent(inout) :: this
    type(c_ptr),intent(out) :: df
    ! Local
    real(prec),pointer :: f_p(:,:,:,:,:)
    type(c_ptr) :: fc

    ! Contravariant projection
    call ContravariantProjection_2D_gpu(this%interior_gpu, &
                                        this%geometry%dsdx%interior_gpu,this%interp%N,this%nvar,this%nelem)

    call c_f_pointer(this%interior_gpu,f_p,[this%interp%N+1,this%interp%N+1,this%nelem,this%nvar,2])

    fc = c_loc(f_p(1,1,1,1,1))
    call self_blas_matrixop_dim1_2d(this%interp%dMatrix_gpu,fc,df, &
                                    this%interp%N,this%interp%N,this%nvar,this%nelem,this%blas_handle)
    fc = c_loc(f_p(1,1,1,1,2))
    call self_blas_matrixop_dim2_2d(this%interp%dMatrix_gpu,fc,df,1.0_c_prec, &
                                    this%interp%N,this%interp%N,this%nvar,this%nelem,this%blas_handle)
    f_p => null()

    call JacobianWeight_2D_gpu(df,this%geometry%J%interior_gpu,this%interp%N,this%nVar,this%nelem)

  endsubroutine MappedDivergence_MappedVector2D