/**
 *  \file core/utility.h    \brief Various important functionality
 *                                       for implementing decorators.
 *
 *  Copyright 2007-2010 IMP Inventors. All rights reserved.
 *
 */

#ifndef IMPCORE_UTILITY_H
#define IMPCORE_UTILITY_H

#include "core_macros.h"
#include "core_config.h"
#include "XYZR.h"
#include <IMP/base_types.h>
#include <IMP/algebra/Segment3D.h>
#include <IMP/algebra/Transformation3D.h>
#include <IMP/Model.h>
#include <IMP/Particle.h>

IMPCORE_BEGIN_NAMESPACE
//! Get the centroid
/** Compute the centroid (mean) of a set of particles.
 */
IMPCOREEXPORT algebra::VectorD<3> get_centroid(const XYZsTemp &ps);


IMPCORE_END_NAMESPACE

#endif  /* IMPCORE_UTILITY_H */