Function assert_wald_wolfowitz_runs_test 

pub fn assert_wald_wolfowitz_runs_test<E: Numeric>(
    data: &[E],
    bins_low: f32,
    bins_high: f32,
)

Asserts that the elements of the data, sorted into two bins, are elements of the sequence are mutually independent. There is a very small chance it gives a false negative.