GitLab

* import some ops from mmcv instead of mmdet3d

* use mmcv ops in primitive_head.py

* use mmcv ops in PAConv

* remove ops in mmdet3d & fix some bugs

* remove spconv & fix some bugs

* fix voxelization unittest

* remove spconv in ops/__init__.py

* refine ops/__init__.py

* recover sparse_block in ops/__init__

* fix parta2_bbox_head unittest

* remove remaining ops

* recover ops/__init__.py for bc breaking

* add source of ops from mmcv

* recover the unittest for voxelization

* remove unittest

* add precommmit to check readme

* update

* fix typos

* support knn query in QueryAndGroup

* add cuda implemented assign_scores op

* add unit test for paconv assign_score op

* refactor op

* add non-cuda & cuda version PAConv

* minor fix

* fix cuda-9.0 compatibility

* add weight init of paconv

* fix typos

* refactor paconv