en name"><code>check_positive.Rd</code></div>
    </div>

    <div class="ref-description">
    <p>Check if an argument is a single positive number,
and if not, generate an error message.</p>
    </div>

    <div id="ref-usage">
    <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">check_positive</span><span class="op">(</span></span>
<span>  <span class="va">x</span>,</span>
<span>  name <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  general <span class=