lsh_rs::dist
pub fn cosine_sim<N: Numeric + Float>(a: &[N], b: &[N]) -> N
Cosine similarity between two vectors.
Panics if a.len() != b.len().
a.len() != b.len()
use lsh_rs::dist::cosine_sim; let a = vec![1., -1.]; let b = vec![0.2, 1.2]; let sim = cosine_sim(&a, &b);