imex_integrate Subroutine

  subroutine imex_integrate(this, lev, qSDC, fSDC, dt, fintSDC)
    class(pf_imex_t),  intent(inout) :: this
    class(pf_level_t), intent(in   ) :: lev
    class(pf_encap_t), intent(in   ) :: qSDC(:), fSDC(:, :)
    real(pfdp),        intent(in   ) :: dt
    class(pf_encap_t), intent(inout) :: fintSDC(:)

    integer :: n, m, p

    do n = 1, lev%nnodes-1
       call fintSDC(n)%setval(0.0_pfdp)
       do m = 1, lev%nnodes
          do p = 1, this%npieces
             call fintSDC(n)%axpy(dt*lev%s0mat(n,m), fSDC(m,p))
          end do
       end do
    end do
  end subroutine imex_integrate