Tried to made all functionality for clustering. Not debugged and will proba...

Samo Penic

2016-07-03 759169c7cead24a05533f78058c5a7ebdda319c5

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Original written by Dan Kroll in FORTRAN. Code was then largely adapted and commented by Miha Fosnaric-Fosni. Rewritten into C by Samo Penic-Peni, with help of Miha's extensive explanations.