Merge pull request #6492 from rebecca-palmer/signalpool_index_fixes

Fix invalid casts and index overflows in signal.Pool

Merge pull request #6492 from rebecca-palmer/signalpool_index_fixes
b6e37683 · Frédéric Bastien · GitHub · 47ff0da7 · dce26933 · b6e37683
--- a/theano/tensor/signal/pool.py
+++ b/theano/tensor/signal/pool.py