TTK, Copyright (c) 2018, CNRS & Sorbonne Universite.
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 any other materials provided with the distribution.
3. Neither the name of the CNRS & Sorbonne Universite nor the names of its 
   contributors may be used to endorse or promote products derived from this 
   software without *specific* prior written permission.
   [For permission [or any legal details], [please] contact Julien Tierny
   <julien.tierny@sorbonne-universite.fr>.]
4. Redistributions of any form whatsoever must retain the following
   acknowledgment: "This product includes TTK (the Topology ToolKit), 
   which is developed by the CNRS & Sorbonne Universite (contact: Julien Tierny 
   <julien.tierny@sorbonne-universite.fr>)."
5. All public documents (including but not limited to: advertising or 
   teaching materials, technical or scientific publications, etc.) which 
   include materials generated with this software must properly cite the 
   TTK companion technical report ("The Topology ToolKit") and display the 
   following acknowledgement: "This document includes materials generated 
   with TTK (the Topology ToolKit) which is developed by the CNRS & Sorbonne
   Universite and its contributors."

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 OWNER 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.