EventUtilities.h

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/**
 *  @file   EventUtilities.h
 *
 *  @brief  Provides some basic functions operating in IEvent class objects
 *
 *  @author usher@slac.stanford.edu
 *
 */
#ifndef EventUtilities_voronoi2d_h
#define EventUtilities_voronoi2d_h

// Get the beach line definitions
#include "larreco/RecoAlg/Cluster3DAlgs/Voronoi/IEvent.h"

// std includes
#include <vector>
#include <algorithm>
//------------------------------------------------------------------------------------------------------------------------------------------

namespace voronoi2d
{
using RootsPair = std::pair<double,double>;

/**
 *  @brief Internal class definitions to facilitate construction of diagram
 */
class EventUtilities
{
public:
    double computeArcVal(const double, const double, const IEvent*)             const;
    double computeBreak(const double, const IEvent*, const IEvent*, RootsPair&) const;
    bool   newSiteToLeft(const IEvent*, const IEvent*, const IEvent*)           const;
};

} // namespace lar_cluster3d
#endif