GitLab

* Moved convolutions and exposed them directly

* Added transposition to the unit test

* Minor bugfix in CPU version of DISCO transpose code

* Adding convolution tests to CI

* Added gradient check

* Checking the weight grad as well

* Added test for anisotropic kernels

* working distributed fwd SHT with flexible sharding and without padding

* fixing distributed sht with new logic

* fixed distributed SHT and ISHT with flexible padding

* working unittest for distributed fwd SHT

* distributed tests converted to unit tests

* bumping version number up to 0.6.4

* fixing small splitting bug in th distributed

* updated changeloc, removed tests folder

* Adding plotting routines and reworked Readme

* Added illustration of spherical harmonics to Readme

* Updated Changelog

* improved readability of legendre.py

* bugfix in computation of dlegpoly

* Moving conversion from numpy to torch from the legendre module to the sht module

* renaming to vdm in tests.py

* reworked SFNO example

* updated changelog

* Added gradient check to test suite
* reduced size of the unit test
* switched to parametrized for unittests