Cactus Code Thorn libsharp Author(s) : Erik Schnetter Maintainer(s): Cactus team Licence : ?

1. Purpose

Configure the libsharp library; see https://gitlab.mpcdf.mpg.de/mtr/libsharp (previously https://github.com/Libsharp/libsharp).

From the web site:

Library for fast spherical harmonic transforms, see http://arxiv.org/abs/1303.4945.

For sYlm definitions and conventions: see https://arxiv.org/abs/1010.2084

For storage conventions for real functions: see appendix of de Oliveira-Costa, A., Tegmark, M., Zaldarriaga, M., & Hamilton, A. 2004, Phys. Rev. D, 69, 063516, arXiv:astro-ph/0307282