jaberg/Theano — comment on commit 1e8f9cc533f5075d9ca884afdca845c1a6a8dabe
File: theano/tensor/tests/test_basic.py line 761
By jaberg:

grad is already getting tested at non-integer points by the other elements of _grad_broadcast_unary_normal. The gradient is just 0 anyway. Why go to the trouble?