enh: Add Vector3::SquaredLength function [Numerics]
enh: Add Vector3::SquaredLength function [Numerics]

BioMedIA/MIRTK,stefanpsz/MIRTK,BioMedIA/MIRTK,schuhschuh/MIRTK,schuhschuh/MIRTK,schuhschuh/MIRTK,stefanpsz/MIRTK,stefanpsz/MIRTK,BioMedIA/MIRTK,BioMedIA/MIRTK,schuhschuh/MIRTK,stefanpsz/MIRTK