/*!
* @fn calcLogNormalDistParam
*
* @headerfile <seqan/random.h>
*
* @brief Computes <tt>m</tt> and <tt>s</tt> paramters for the lognormal
* distribution from mean and stddev of the underlying distribution.
*
* @signature param cvtLogNormalDistParam(mean, stddev);
*
* @param[in] mean The mean of the underlying distribution.
* @param[in] stddev The standard deviation of the underlying distribution.
*
* @return param The distribution specific paramter of type <tt> typename
* lognormal_distribution::param_type </tt>.
*/