jgrapht/jgrapht — pull request #31 by agouge (2013-04-08 13:14:56+00:00)
Title: Add DirectedWeightedPseudograph

In response to Ernst on the mailing list:

> Probably there hasn't been anybody so far who had a need for
> DirectedWeightedPseudographs and bothered to implement them.

I need them in my current work, so I implement them in this PR.