Added constant area. Unfortunately dump has changed sue to change in datast...

Samo Penic

2014-09-18 c0ae90d68622063a44af443acc01f7e4925fbc56

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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.