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## CGAL::Null_vector

#include <CGAL/Origin.h>

### Definition

CGAL defines a symbolic constant NULL_VECTOR to construct zero length vectors. Null_vector is the type of this constant.

### See Also

CGAL::Vector_2<Kernel>
CGAL::Vector_3<Kernel>

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The CGAL Project . Tue, December 21, 2004 .