><span class="op">)</span></span>
<span></span>
<span><span class="fu">sparse2dense</span><span class="op">(</span><span class="va">x</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">long2dense</span><span class="op">(</span><span class="va">x</span><span class="op">)</span></span>
<span></span>
<span><span class="fu">dense2long</span><span class="op">(</span><span class="va">x</span><span class="op">)</span></span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>A