distance_segment_segment.h

// Description: Distance between two line segments

#ifndef PASTELGEOMETRY_DISTANCE_SEGMENT_SEGMENT_H
#define PASTELGEOMETRY_DISTANCE_SEGMENT_SEGMENT_H

#include "pastel/geometry/shape/segment.h"

namespace Pastel
{

    //! Euclidean distance between line segments.
    /*!
   This is a convenience function which returns
   std::sqrt(distance2(aSegment, bSegment)).
   */
    template <typename Real, integer N>
    Real distance(
        const Segment<Real, N>& aSegment,
        const Segment<Real, N>& bSegment);

    //! Computes the squared distance between line segments.
    /*!
   Preconditions:
   aSegment.n() == bSegment.n()

   Time complexity: O(aSegment.n())
   */
    template <typename Real, integer N>
    Real distance2(
        const Segment<Real, N>& aSegment,
        const Segment<Real, N>& bSegment);
}

#include "pastel/geometry/distance/distance_segment_segment.hpp"

#endif