 an <a href="http://en.wikipedia.org/wiki/arcsine_distribution" target="_top">arcsine</a>
          <a href="http://en.wikipedia.org/wiki/Probability_distribution" target="_top">probability
          distribution function</a>. The arcsine distribution is named because
          its CDF uses the inverse sin<sup>-1</sup> or arcsine.
        </p>
<p>
          This is implemented as a generalized version with support from <span class="emphasis"><em>x_min</em></span>
          to <span class="emphasis"><em>x_ma