Also use the other arg of sub as output.
Don't discard the previous input to OuterSS().
Fix bug.
Add a mode to docgen to run the code samples in the documentation.

This alleviates copying them elsewhere to ensure they are not broken.
Add 3d correlation based on matrix multiplication
Fix errors in the gradient definition
First version of the C op tutorial.
Added C op tutorial to tutorial index.
Small fixes
Add PyDecref(cols) when an error occurs
Rename conv_gemm to corr_gemm
Update flops method
Fix typos
Fix memory leak in scan related to the input and output storage of the inner function.
Update comment in scan execute/perform.
Fix destructor handling in CDataType for python 3/Capsules.
Added -I and -L to the list of argument patterns from nvcc.flags that are not presented to nvcc in comma-separated form.
Fix crash when numpy.distutils.__config__ is present but None
Merge pull request #2132 from nouiz/numpy_config

Fix crash when numpy.distutils.__config__ is present but None
Typo correction