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I'm not sure your expected output is making sense as I think you have probably mis-counted the number of zeros in the second term because there is actually a run of eight zeros there.

$ perl -E 'say unpack q{b*}, pack q{N}, 0x01020304;' 10000000010000001100000000100000

As well as that, you seem to be parsing your data with the low-order bit first in each byte even though you have packed in network order. I would expect you bit vector to look like this

$ perl -E 'say unpack q{B*}, pack q{N}, 0x01020304;' 00000001000000100000001100000100

with expected output

7, -1, 6, -1, 7, -2, 5, -1, 2

Perhaps you could clarify your requirement.

Cheers,

JohnGG


In reply to Re: Run length encode a bit vector by johngg
in thread Run length encode a bit vector by Anonymous Monk

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