Function ndarray_linalg::assert::close_max

pub fn close_max<A, S1, S2, D>(
    test: &ArrayBase<S1, D>, 
    truth: &ArrayBase<S2, D>, 
    atol: A::Real
) -> Result<A::Real, A::Real> where
    A: Scalar,
    S1: Data<Elem = A>,
    S2: Data<Elem = A>,
    D: Dimension, 

check two arrays are close in maximum norm