Point: Length Functions

Functions
template<int N, typename T>
T	geom::computeSquaredMagnitude (const ads::FixedArray< N, T > &x)
	Return the squared magnitude of this vector.
template<int N, typename T>
T	geom::computeMagnitude (const ads::FixedArray< N, T > &x)
	Return the magnitude of this vector.
template<int N, typename T>
void	geom::normalize (ads::FixedArray< N, T > *x)
	Normalize this vector so it has unit length.

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