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