sweep.c: swap rows/columns instead of using indirection for last_col
authorJohn Darrington <john@darrington.wattle.id.au>
Tue, 15 Nov 2011 13:51:49 +0000 (14:51 +0100)
committerjmd <john@darrington.wattle.id.au>
Tue, 15 Nov 2011 13:54:06 +0000 (14:54 +0100)
This makes the code shorter, and I believe should make it faster too.


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