Healpix transforms with FFTs

astro-informatics / s2fft

Differentiable and accelerated spherical transforms with JAX

https://astro-informatics.github.io/s2fft

MIT License

135 stars 9 forks source link

Healpix transforms with FFTs #46

Closed jasonmcewen closed 2 years ago

CosmoMatt commented 2 years ago

This issue addresses adding support for HEALPix forward/inverse transforms to support both separation of variables (SoV) and efficiently implement FFTs for the longitudinal component.