span> :: <span style="color: #a0522d;">m2               </span><span style="color: #b22222;">! </span><span style="color: #b22222;">Destination matrix -- it is allocated</span>
  <span style="color: #228b22;">type(Distribution)</span> :: <span style="color: #a0522d;">dist1, dist2           </span><span style="color: #b22222;">! </span><span style="color: #b22222;">Distributions</span>
  <span style="color: #228b22;">integer</span>, <span style="color: #a020f0;">intent</span>(in)   ::<span style="color: #a05