GitLab

* add ops (interpolate) in mmdet3d

* refactor code

* fix typo

* fix typo

* fix typo

* refactor code

* add ops (gather points) in mmdet3d

* add ops (gather points) in mmdet3d

* refactor code

* refactor code

* fix typo

* add ops (knn) in mmdet3d

* refactor code

* refactor code

* fix typo

* fix typo

* fix typo

* refactor code

* refactor code

* spell typo

* fix spell typo

* add ops (furthest point sample) in mmdet3d

* refactor code

* refactor code

* fix typo

* fix typo

* fix typo

* refactor code

* fix typo

* define DIVUP in common_cuda_helper.hpp

* [Docs] Refactor documentation

* [Docs] Refactor documentation

* refactor docs

* refactor docs

* set sphinx==3.1.2

* fix typo

* modify according to comment

* modify according to comment

* modify according to comment

* [Docs] delete unnecessary file

* fix title

* rename

* rename

* add ext ops, support parrots

* fix lint

* fix lint

* update op from mmdetection

* support non-pytorch env

* fix import bug

* test not import mmcv.op

* rename mmcv.op to mmcv.ops

* fix compile warning

* 1. fix syncbn warning in pytorch 1.5
2. support only cpu compile
3. add point_sample from mmdet

* fix text bug

* update docstrings

* fix line endings

* minor updates

* remove non_local from ops

* bug fix for nonlocal2d

* rename ops_ext to _ext and _ext to _flow_warp_ext

* update the doc

* try clang-format github action

* fix github action

* add ops to api.rst

* fix cpp format

* fix clang format issues

* remove .clang-format
Co-authored-by: Kai Chen <chenkaidev@gmail.com>