cgal/Kernel_23/doc_tex/Kernel_23_ref/collinear.tex

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\begin{ccRefFunction}{collinear}
\ccFunction{bool collinear(const Point_2<Kernel> &p,
const Point_2<Kernel> &q,
const Point_2<Kernel> &r);}
{returns \ccStyle{true}, iff $p$, $q$, and $r$ are collinear.}
\ccFunction{bool collinear(const Point_3<Kernel> &p,
const Point_3<Kernel>&q,
const Point_3<Kernel>&r);}
{returns \ccStyle{true}, iff $p$, $q$, and $r$ are collinear.}
\ccSeeAlso
\ccRefIdfierPage{CGAL::left_turn} \\
\ccRefIdfierPage{CGAL::orientation} \\
\ccRefIdfierPage{CGAL::right_turn} \\
\end{ccRefFunction}