[ParHIP] Fix/change from/to calculated for metis graph format and binary graph format #75
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DanielSeemaier
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https://github.com/KaHIP/KaHIP/blob/master/parallel/parallel_src/lib/io/parallel_graph_io.cpp#L585
Let
n=1382867,size=2048,peID=2046. Then,from=1383096,to=min(1383772, 1382867-1)=1382866, thuslocal_no_nodes=-229(actually it overflows since it's aULONG) and ParHIP crashes in line 585.This PR should work for any graph sizes / PE counts, although it might need more testing before merging.