Theano/Theano — pull request #1727 by nouiz (2014-02-10 16:46:43+00:00)
Title: Fix Sparse grad crash and implement mixed dtype in sparse Mul/Add

NEWS.txt:
- Fix Sparse grad crash for AddSD (add of a sparse and dense matrix, Frédéric B., reported by Denis Krompass and Alessandro Sordoni)
- sparse mul and add now support mixed inputs dtype in sparse Mul/Add