/usr/include/pcl-1.7/pcl/surface/qhull.h is in libpcl-dev 1.7.2-14build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Software License Agreement (BSD License)
*
* Point Cloud Library (PCL) - www.pointclouds.org
* Copyright (c) 2009-2012, Willow Garage, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Willow Garage, Inc. 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 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.
*
* $Id: concave_hull.h 5027 2012-03-12 03:10:45Z rusu $
*
*/
#include <pcl/pcl_config.h>
#ifdef HAVE_QHULL
#ifndef PCL_QHULL_H
#define PCL_QHULL_H
#if defined __GNUC__
# pragma GCC system_header
#endif
extern "C"
{
#ifdef HAVE_QHULL_2011
# include "libqhull/libqhull.h"
# include "libqhull/mem.h"
# include "libqhull/qset.h"
# include "libqhull/geom.h"
# include "libqhull/merge.h"
# include "libqhull/poly.h"
# include "libqhull/io.h"
# include "libqhull/stat.h"
#else
# include "qhull/qhull.h"
# include "qhull/mem.h"
# include "qhull/qset.h"
# include "qhull/geom.h"
# include "qhull/merge.h"
# include "qhull/poly.h"
# include "qhull/io.h"
# include "qhull/stat.h"
#endif
}
#endif // PCL_QHULL_H
#endif
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