FKDTree/FKDPoint.h at master · felicepantaleo/FKDTree · GitHub

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/*
 * FFKDPoint.h
 *
 *  Created on: Feb 10, 2016
 *      Author: fpantale
 */

#ifndef FKDTREE_KDPOINT_H_
#define FKDTREE_KDPOINT_H_
#include <array>
#include <utility>
#include <iostream>
template<class TYPE, int numberOfDimensions>
class FKDPoint
{

public:
	FKDPoint() :
			theElements(), theId(0)
	{
	}

	FKDPoint(const FKDPoint<TYPE, numberOfDimensions>& other) :
			theElements(other.theElements),theId(other.theId)
	{

	}

	template<class T>
	FKDPoint<TYPE, numberOfDimensions> & operator=(
			const FKDPoint<TYPE, numberOfDimensions> & other)
	{
		if (this != &other)
		{
			theId = other.theId;
			theElements = other.theElements;
		}
		return *this;

	}

	FKDPoint(TYPE x, TYPE y, unsigned int id)
	{
		theId = id;
		theElements[0] = x;
		theElements[1] = y;
	}

	FKDPoint(TYPE x, TYPE y, TYPE z, unsigned int id)
	{
		theId = id;
		theElements[0] = x;
		theElements[1] = y;
		theElements[2] = z;
	}

	FKDPoint(TYPE x, TYPE y, TYPE z, TYPE w, unsigned int id)
	{
		theId = id;
		theElements[0] = x;
		theElements[1] = y;
		theElements[2] = z;
		theElements[3] = w;
	}

// the user should check that i < numberOfDimensions
	TYPE& operator[](int const i)
	{
		return theElements[i];
	}

	TYPE const& operator[](int const i) const
	{
		return theElements[i];
	}

	void setDimension(int i, const TYPE& value)
	{
		theElements[i] = value;
	}

	void setId(const unsigned int id)
	{
		theId = id;
	}

	unsigned int getId() const
	{
		return theId;
	}

	void print() const
	{
		std::cout << "point id: " << theId << std::endl;
		for (auto i : theElements)
		{
			std::cout << i << std::endl;
		}
	}

private:
	std::array<TYPE, numberOfDimensions> theElements;
	unsigned int theId;
};

/* Utility functions to create 1-, 2-, 3-, or 4-Points from values. */
template<typename TYPE>
FKDPoint<TYPE, 1> make_FKDPoint(TYPE x, unsigned int id)
{
	FKDPoint<TYPE, 1> result;
	result.setDimension(0, x);
	result.setId(id);
	return result;
}

template<typename TYPE>
FKDPoint<TYPE, 2> make_FKDPoint(TYPE x, TYPE y, unsigned int id)
{
	FKDPoint<TYPE, 2> result;
	result.setDimension(0, x);
	result.setDimension(1, y);
	result.setId(id);
	return result;
}

template<typename TYPE>
FKDPoint<TYPE, 3> make_FKDPoint(TYPE x, TYPE y, TYPE z, unsigned int id)
{
	FKDPoint<TYPE, 3> result;
	result.setDimension(0, x);
	result.setDimension(1, y);
	result.setDimension(2, z);
	result.setId(id);
	return result;
}

template<typename TYPE>
FKDPoint<TYPE, 4> make_FKDPoint(TYPE x, TYPE y, TYPE z, TYPE w, unsigned int id)
{
	FKDPoint<TYPE, 4> result;
	result.setDimension(0, x);
	result.setDimension(1, y);
	result.setDimension(2, z);
	result.setDimension(3, w);
	result.setId(id);
	return result;
}

#endif /* FKDTREE_KDPOINT_H_ */