nts that are present in the call are used to
update the fields in <em>params</em>. Otherwise the structure is first
initialised.
<br><br>
Note: this is probably not a very useful feature.

<br><br>
<dt>real(wp) <i class='arg'>initial_temp</i><dd>
Initial &quot;temperature&quot; (defaults to 1). A larger value means it will be
easier for the vector representing the estimated minimum to wander
about.

<br><br>
<dt>real(wp) <i class='arg'>temp_reduction</i><dd>
Factor by which to reduce the tempe