GitLab

* init

* init

* double backward test

* fix doublebackward test

* add another test

* rm gaev

* radial done

* angular init

* angular done

* update

* force training benchmark

* format

* update

* benchmark

* update

* update

* clean redundancy codes

* update

* adapt review request

* update

* update

* update

* update

* update

* update

* fix

* fix

* cuAngularAEVs code deduplicate

* pairwise double backward

* cuRadialAEVs dedup

* pairwiseDistance dedup

* format

* readme build notes

* save

* update

* save

* save

* update

* fix

* save

* add equations on comments
Co-authored-by: Gao, Xiang <qasdfgtyuiop@gmail.com>