\begin{ccRefFunction}{compare_slopes}

\ccFunction{Comparison_result compare_slopes(const Line_2<Kernel> &l1,
                            	             const Line_2<Kernel> &l2);}
	{compares the slopes of the lines \ccc{l1} and \ccc{l2}}

\ccFunction{Comparison_result compare_slopes(const Segment_2<Kernel> &s1,
                            	             const Segment_2<Kernel> &s2);}
	{compares the slopes of the segments \ccc{s1} and \ccc{s2}}

\end{ccRefFunction}