cgal/Old_Packages/Doc23/doc_tex/kernel/Ref/collinear.tex

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