Yes, my mistake on the transpose function with no return value. I have updated it correctly. I had trimmed it down to avoid warlording and posting a million lines of irrelevant code, and inadvertently chopped the return line as well :)

Anyway, the pack/unpack method above converts to a bitstring, then back again, does it not? Using a sequence of ascii '1's and '0's was precisely what I was trying to avoid... and I *know* perl can accomplish this task in that way. But, that method increases the memory requirements of the implementation eight-fold, adds internal conversion overhead, and doesn't fall into the design requirements of the original question :>

I hope this isn't misconstrued, but remember, this function has to transpose *every* $BUFSIZE bytes, and quickly, with low memory requirements, to be able to sit at the position in the protocol stack that it does.

Thanks,
Jason

In reply to Re^2: perl bit matrix transposition / weak typing problem by infi
in thread perl bit matrix transposition / weak typing problem by infi

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