a); -->
<p></p>
<p><code>real</code> <strong><code>lognormal_cdf</code></strong><code>(reals y, reals mu, reals sigma)</code><br>
The cumulative lognormal distribution function of y given location mu
and scale sigma</p>
<!-- real; lognormal_lcdf; (reals y | reals mu, reals sigma); -->
<p></p>
<p><code>real</code> <strong><code>lognormal_lcdf</code></strong><code>(reals y | reals mu, reals sigma)</code><br>
The log of the lognormal cumulative distribution function of y given
location mu and scale sigma</p>
<