power.c and tf_fit.f are redistributed under the MIT License with the permission of
Wayne Hu

http://background.uchicago.edu/~whu/transfer/transferpage.html

and are described in Eisenstein, D. J., & Hu, W. "Power Spectra for
Cold Dark Matter and Its Variants," 1999, ApJ, 511, 5
[astro-ph/9710252], and Ibid. "Baryonic Features in 
the Matter Transfer Function," 1998, ApJ, 496, 605
[astro-ph/9709112].

Please cite these papers to acknowledge use of power spectrum calculations.

The MIT License

power.c is copyright (c) 1997 Wayne Hu and Daniel Eisenstein
tf_fit.f is copyright (c) 1997 Wayne Hu and Daniel Eisenstein

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

