Macro cgmath::ulps_eq

macro_rules! ulps_eq {
    ($ lhs : expr, $ rhs : expr, $ ($ opt : ident = $ opt_val : expr), +) => { ... };
    ($ lhs : expr, $ rhs : expr) => { ... };
}

Predicate for testing the approximate equality of two values using a maximum ULPs (Units in Last Place).