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Changelog.md

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Changelog

Versioning

v0.6.5

  • Discrete-continuous (DISCO) convolutions on the sphere and in two dimensions
  • DISCO supports isotropic and anisotropic kernel functions parameterized as hat functions
  • Supports regular and transpose convolutions
  • Accelerated spherical DISCO convolutions on GPU via Triton implementation
  • Unittests for DISCO convolutions in tests/test_convolution.py

v0.6.4

  • Reworking distributed to allow for uneven split tensors, effectively removing the necessity of padding the transformed tensors
  • Distributed SHT tests are now using unittest. Test extended to vector SHT versions
  • Tests are defined in torch_harmonics/distributed/distributed_tests.py
  • Base pytorch container version bumped up to 23.11 in Dockerfile

v0.6.3

  • Adding gradient check in unit tests
  • Temporary work-around for NCCL contiguous issues with distributed SHT
  • Refactored examples and documentation
  • Updated SFNO example

v0.6.2

  • Adding github CI
  • Changed SHT modules to convert dtype dynamically when computing the SHT/ISHT
  • Bugfixes to fix importing examples

v0.6.1

  • Minor bugfixes to export SFNO code
  • Readme should now render correctly in PyPI

v0.6.0

  • Added SFNO example
  • Added Shallow Water Equations Dataset for SFNO training
  • Cleanup of the repository and added PyPI
  • Updated Readme

v0.5.0

  • Reworked distributed SHT
  • Module for sampling Gaussian Random Fields on the sphere

v0.4.0

  • Computation of associated Legendre polynomials
    • changed algorithm to compute the associated Legendre polynomials for improved stability
  • Improved Readme

v0.3.0

  • Vector Spherical Harmonic Transforms
    • projects vector-valued fields onto the vector Spherical Harmonics
    • supports computation of div and curl on the sphere
  • New quadrature rules
    • Clenshaw-Curtis quadrature rule
    • Fejér quadrature rule
    • Legendre-Gauss-Lobatto quadrature
  • New notebooks
    • complete with differentiable Shallow Water Solver
    • notebook on quadrature and interpolation
  • Unit tests
  • Refactor of the API

v0.2.0

  • Renaming from torch_sht to torch_harmonics
  • Adding distributed SHT support
  • New logo

v0.1.0

  • Single GPU forward and backward transform
  • Minimal code example and notebook