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template <class ForwardIterator>
        
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bool
        
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    contained_in_simplex ( ForwardIterator first,  ForwardIterator last,  Point_d<R> p)
        
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    determines whether p is contained in the
  simplex of the points in A = tuple [first,last).  | Precondition:  | The objects in A are of the same dimension and affinely
  independent.  |  
 | Requirement:  | The value type of ForwardIterator is
  Point_d<R>. |   
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