CGAL 6.1 - 2D and 3D Linear Geometry Kernel

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Kernel_23/MyPointC2.h
#ifndef MY_POINTC2_H
#define MY_POINTC2_H
#include <CGAL/Origin.h>
#include <CGAL/Bbox_2.h>
class MyPointC2 {
private:
double vec[2];
int col;
public:
MyPointC2()
: col(0)
{
*vec = 0;
*(vec+1) = 0;
}
MyPointC2(const double x, const double y, int c = 0)
: col(c)
{
*vec = x;
*(vec+1) = y;
}
const double& x() const { return *vec; }
const double& y() const { return *(vec+1); }
double & x() { return *vec; }
double& y() { return *(vec+1); }
int color() const { return col; }
int& color() { return col; }
bool operator==(const MyPointC2 &p) const
{
return ( *vec == *(p.vec) ) && ( *(vec+1) == *(p.vec + 1) && ( col == p.col) );
}
bool operator!=(const MyPointC2 &p) const
{
return !(*this == p);
}
};
#endif // MY_POINTC2_H