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CGAL::left_turn
bool
left_turn
(
Point_2
<
Kernel
> p,
Point_2
<
Kernel
> q,
Point_2
<
Kernel
> r)
returns
true
iff
p
,
q
, and
r
form a left turn.
See Also
CGAL::collinear
CGAL::orientation
CGAL::right_turn
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The
CGAL Project
. Tue, December 21, 2004 .