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## Kernel::Orientation_d

A model for this must provide:

template <class ForwardIterator>
Orientation | fo ( ForwardIterator first, ForwardIterator last)
|  | determines the orientation of the points of the tuple A = tuple [first,last) where A consists of d + 1 points in d-space. This is the sign of the determinant |
1 | 1 | 1 | 1
A[0] | A[1] | ... | A[d]
| where A[i] denotes the cartesian coordinate vector of the i-th point in A. Precondition: size [first,last) == d+1 and A[i].dimension() == d 0 i d. Requirement: The value type of ForwardIterator is Kernel::Point_d.

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The CGAL Project . Tue, December 21, 2004 .