\begin{ccRefFunction}{compare_xy}

\ccFunction{Comparison_result
compare_xy(const Point_2<Kernel>& p, const Point_2<Kernel>& q);}
      {Compares the Cartesian coordinates of points \ccStyle{p} and
       \ccStyle{q} lexicographically in $xy$ order: first 
       $x$-coordinates are compared, if they are equal, $y$-coordinates
       are compared.}

\ccFunction{Comparison_result
compare_xy(const Point_3<Kernel>& p, const Point_3<Kernel>& q);}
      {Compares the Cartesian coordinates of points \ccStyle{p} and
       \ccStyle{q} lexicographically in $xy$ order: first 
       $x$-coordinates are compared, if they are equal, $y$-coordinates
       are compared.}

\ccSeeAlso
\ccRefIdfierPage{CGAL::compare_xyz} \\
\ccRefIdfierPage{CGAL::compare_x} \\
\ccRefIdfierPage{CGAL::compare_x_at_y} \\
\ccRefIdfierPage{CGAL::compare_y} \\
\ccRefIdfierPage{CGAL::compare_yx} \\
\ccRefIdfierPage{CGAL::compare_y_at_x} \\
\ccRefIdfierPage{CGAL::compare_z} \\

\end{ccRefFunction}