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Gregor Michalicek authored
Since the routine brzone featured many bugs that occured in special cases I now reprogrammed the functionality of the routine in the new subroutine brzone2. The new algorithm is simpler and should be less vulnerable to the mentioned special cases. It also is slightly slower. The new routine takes about 2 seconds. By commenting the new routine out and the old one in both algorithms can directly be interchanged.
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