COPYRIGHT

License and Copyright
=====================

fmm3dbie (with the exception of the files listed under `Exceptions`) 
is Copyright 2020-2023 The Simons Foundation, Inc.,  
fmm3dbie Development Team (see AUTHORS) - All Rights Reserved.


fmm3dbie is free software; you can redistribute it and/or modify it
under the terms of the BSD 3-Clause License.

You should have received a copy of the License
along with this program. if not you can find copies here:
https://www.gnu.org/licenses/license-list.html#ModifiedBSD

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 

Exceptions
==========
The file "src/common/dlaran.f" is licensed under the modified BSD license.
The files "src/common/dotcross3d.f", "src/tria_routs/koorn-uvs-dat.txt", 
and "src/tria_routs/koorn-wts-dat.txt" are copyright Zydrunas Gimbutas and released
under the modified BSD license.
The files "src/quad_routs/squarearbq.f", and "src/tria_routs/triasymq.f"
are copyright Zydrunas Gimbutas and Hong Xiao and released under the modified BSD license.
All files in "src/quadratures/ggq-self-quads/" are copyright Zydrunas Gimbutas
and released under public domain license.


References
==========
In addition, we kindly ask you to acknowledge fmm3dbie and its authors
in any program or publication in which you use the software. 
For general publications, we suggest referencing:

- Askham, T., Gimbutas, Z., Goodwill, T., Hoskins, J., Lu, L., O'Neil, 
M., Rachh, M., Rokhlin, V., & Vico, F. (2025). fmm3dbie: boundary integral equation 
solvers in 3D. (in prep)

- Greengard, L., O'Neil, M., Rachh, M., & Vico, F. (2021). Fast multipole methods for 
the evaluation of layer potentials with locally-corrected quadratures. 
Journal of Computational Physics: X, 10, 100092.

- Bremer, J., & Gimbutas, Z. (2013). On the numerical evaluation of the singular 
integrals of scattering theory. Journal of Computational Physics, 251, 327-343. 

- Xiao, H., & Gimbutas, Z. (2010). A numerical algorithm for the construction of 
efficient quadrature rules in two and higher dimensions. Computers & mathematics with 
applications, 59(2), 663-676.