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Re: Schwartzian Transform and memory allocation.

by runrig (Abbot)
on Jun 19, 2002 at 16:16 UTC ( #175752=note: print w/ replies, xml ) Need Help??

in reply to Schwartzian Transform and memory allocation.

Instead of creating a temporary array reference, you can instead prepend the sort key to the data itself, sort that, then take the sort key off at the end, I think that's the Guttman/Rossler transform, which is a variation on the 'Schwartzian transform'. BTW, your code doesn't appear to be sorting on any particular column, it appears to just be doing a plain sort on the data.

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