[GRASS-dev] r3.univar and r.univar

[tlaronde at polynum.com]

Sören Gebbert wrote:

> Important note:
> I have used a heapsort algorithm based on code from the german
> wikipedia:
> http://de.wikipedia.org/wiki/Heapsort
> 
> The heapsort functions are located in a separate file
> including a note which references the german wikipedia site.
> 
> Im not sure if i can use this code in a GPL software?

Why don't you use the heapsort algorithm from Donald E. Knuth,
"Sorting and Searching", TAOCP volume 3, 2nd edition, Addison-Wesley,
Algorithm H p 144-158.

You will be safe on the licence side.
-- 
Thierry Laronde (Alceste) <tlaronde +AT+ polynum +dot+ com>
                 http://www.kergis.com/
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