art
    real(kind=wp)         :: X(:)
</code></pre></div>

<h2 id="description">DESCRIPTION</h2>
<div class="codehilite"><pre><span></span><code>DEXRAN(3f) generates a random sample of size n from the double
exponential (Laplace) distribution with mean = 0 and standard deviation
= sqrt(2).

This distribution is defined for all X and has the probability
density function

    f(X) = 0.5*exp(-abs(X))
</code></pre></div>

<h2 id="input-arguments">INPUT ARGUMENTS</h2>
<div class="codehilite"><pre><span></span><c