Copyright and license information for bundled third-party source code
=====================================================================

This package (spCF) is released under GPL (>= 2). It bundles the following
third-party source file, which is distributed under a compatible license.


nanoflann  (src/nanoflann.h)
------------------------------

The file `src/nanoflann.h` is a verbatim, unmodified copy of the header
of the nanoflann C++ library (a header-only library for building KD-trees):

    https://github.com/jlblancoc/nanoflann

nanoflann is distributed under the BSD 2-Clause "Simplified" License:

    Copyright 2008-2009  Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
    Copyright 2008-2009  David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
    Copyright 2011-2026  Jose Luis Blanco (joseluisblancoc@gmail.com).
      All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.

    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

The full license text is also retained verbatim at the top of the bundled
file `src/nanoflann.h`.