tranma/falling-turnip — pull request #1 by shelarcy (2012-11-05 07:09:51+00:00)
Title: Use szipWith instead of zipWith 

I think szipWith is better than zipWith. Because zipWith doesn't return PC5 array. zipWith converts from PC5 array to D array, unexpectedly.

Repa 3 paper descibes this problem, and suggests to use Structured class' szipWith function.

* Guiding Parallel Array Fusion with Indexed Types - 4.3 Structure Preserving Maps http://www.cse.unsw.edu.au/~chak/papers/LCKP12.html