math/mpreduce.c: Add extensive commentary.
authorMark Wooding <mdw@distorted.org.uk>
Mon, 5 Aug 2013 20:13:48 +0000 (21:13 +0100)
committerMark Wooding <mdw@distorted.org.uk>
Mon, 5 Aug 2013 20:13:48 +0000 (21:13 +0100)
The behaviour of this code must have been something of a mystery.  It's
not arbitrary, but it is a little subtle in places.  Add a full
explanation of the whole thing.


No differences found