nearestset_concept.h

// Description: Nearest-neighbor search-structure

#ifndef PASTELGEOMETRY_NEAREST_SET_CONCEPT_H
#define PASTELGEOMETRY_NEAREST_SET_CONCEPT_H

#include "pastel/math/normbijection/normbijection_concept.h"
#include "pastel/sys/set/set_concept.h"
#include "pastel/sys/point/point_concept.h"
#include "pastel/sys/pointset/pointset_concept.h"
#include "pastel/sys/output/output_concept.h"

namespace Pastel
{

    struct NearestSet_Concept
    : Refines<PointSet_Concept>
    {
        template <
            typename Type,
            typename Point = PointSet_Point<Type>
        >
        auto requires_(Type&& nearestSet) -> decltype
        (
            conceptCheck(
                addConst(nearestSet).asPoint(std::declval<Point>()),
                (addConst(nearestSet).findNearbyPointsets(
                    // Search-point
                    Point_Archetype(),
                    // Norm to use
                    NormBijection_Archetype(),
                    // Reference to culling distance
                    (const real&)std::declval<real>(),
                    Output_Archetype()), 0)
            )
        );
    };

    template <typename Type>
    using NearestSet_Point = PointSet_Point<Type>;

}

#endif