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CGAL::collinear

bool
collinear ( Point_2<Kernel> p,
Point_2<Kernel> q,
Point_2<Kernel> r)
returns true, iff p, q, and r are collinear.

bool
collinear ( Point_3<Kernel> p,
Point_3<Kernel> q,
Point_3<Kernel> r)
returns true, iff p, q, and r are collinear.

See Also

CGAL::left_turn
CGAL::orientation
CGAL::right_turn

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The CGAL Project . Tue, December 21, 2004 .