Assert a floating point 64-bit number is equal to another within f64::EPSILON.
Pseudocode: a = b
use assertables::*; let a: f64 = 1.0 / 3.0; let b: f64 = 0.3333333333333334; assert_f64_eq!(a, b);
assert_f64_eq
assert_f64_eq_as_result
debug_assert_f64_eq