pub fn vector_norm(
n: i32,
x: &[f64],
incx: i32,
null_mask: Option<&Bitmask>,
null_count: Option<usize>,
) -> Result<f64, KernelError>Expand description
Computes the Euclidean (ℓ₂) norm of a vector: ‖x‖₂ = sqrt(Σ xᵢ²)
Returns the magnitude (Euclidean norm) of the vector x.
For an input vector x, computes sqrt(sum(x_i^2)).