\begin{ccRefFunction}{squared_distance}
\ccInclude{CGAL/constructions_d.h}

\ccFunction{FT squared_distance(Point_d<R> p, Point_d<R> q);}
{computes the square of the Euclidean distance between the two points
  $p$ and $q$. \ccPrecond The dimensions of $p$ and $q$ are the
  same.}

\end{ccRefFunction}
