Function vec2::inv_len_values

pub fn inv_len_values<T>(x: &T, y: &T) -> T where
    T: Real,
    &'a T: Mul<&'b T, Output = T>, 

Example

assert_eq!(vec2::inv_len_values(&1_f32, &1_f32), 1_f32 / 2_f32.sqrt());