setgradientboundarycondition_advection_diffusion_3d Subroutine

  subroutine setgradientboundarycondition_advection_diffusion_3d(this)
  !! Gradient boundary conditions are set to periodic boundary conditions
    implicit none
    class(advection_diffusion_3d),intent(inout) :: this

    call setgradientboundarycondition_advection_diffusion_3d_gpu( &
      this%solutiongradient%extboundary_gpu, &
      this%solutiongradient%boundary_gpu,this%mesh%sideInfo_gpu, &
      this%solution%interp%N,this%solution%nelem,this%solution%nvar)

  endsubroutine setgradientboundarycondition_advection_diffusion_3d