CGAL 5.3  dD Geometry Kernel

Operations  
Kernel_d::FT  operator() (const Kernel_d::Point_d &p, const Kernel_d::Point_d &q) 
computes the square of the Euclidean distance between the two points \( p\) and \( q\). More...  
Kernel_d::FT Kernel_d::Squared_distance_d::operator()  (  const Kernel_d::Point_d &  p, 
const Kernel_d::Point_d &  q  
) 
computes the square of the Euclidean distance between the two points \( p\) and \( q\).