>.</span><span class="n">ndarray</span><span class="p">,</span>
    <span class="n">down_n</span><span class="p">:</span> <span class="n">np</span><span class="o">.</span><span class="n">ndarray</span><span class="p">,</span>
    <span class="n">up_p</span><span class="p">:</span> <span class="n">np</span><span class="o">.</span><span class="n">ndarray</span><span class="p">,</span>
    <span class="n">down_p</span><span class="p">:</span> <span class="n">np</span><span class="o">.</span><span class="n">nda