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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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Navigation: Up   Table of Contents   Package Overview   Bibliography   Index   Title   Acknowledging CGAL
CGAL Open Source Project. Release 3.5.1. 19 December 2009.