LICENSE.txt

mlpack is provided without any warranty of fitness for any purpose.  You
can redistribute the library and/or modify it under the terms of the 3-clause
BSD license.  The text of the 3-clause BSD license is contained below.

mlpack contains some reproductions of the source code of Armadillo, which is
licensed under the Mozilla Public License v2.0 (MPL2).  This code is found in
src/mlpack/core/arma_extend/ and more details on the licensing are available
there.

mlpack also contains some reproductions of the source code of Boost, which is
licensed under the Boost Software License, version 1.0.  This code is found in
src/mlpack/core/boost_backport/ and more details on the licensing are available
there.

mlpack may contain some usage of the source code of stb, which is licensed 
under the MIT License and the Public Domain (www.unlicense.org). This code
is used in src/mlpack/core/data/load_image.hpp.

----
Copyright (c) 2007-2020, mlpack contributors (see COPYRIGHT.txt)
All rights reserved.

Redistribution and use of mlpack 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.

3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT HOLDER OR CONTRIBUTORS 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.