Theano/Theano — pull request #1505 by lamblin (2013-08-19 21:29:38+00:00)
Title: Sparse updates

Rebase of gh-1500 on top of gh-1489.

NEWS.txt
- safer case to int32 in sparse op CSM. (Frederic B.)
- BUGFIX: disable the optimization that introduce the CSMGradC op as it don't work correctly with unsorted indices. (Frederic B.)