Log-Laplace distribution

The probability density function for log-Laplace distribution is:

.. math::

f(x, c) = \begin{cases}\frac{c}{2} x^{ c-1}  &\text{for } 0 < x < 1\\
                           \frac{c}{2} x^{-c-1}  &\text{for } x \ge 1
              \end{cases}

The following plots show the pdf and cdf:

.. image:: ../../../../tests/imgs/stats/continuous/loglaplace/loglaplacepdf.png :align: center :width: 480

.. image:: ../../../../tests/imgs/stats/continuous/loglaplace/loglaplacecdf.png :align: center :width: 480