Function vec3::inv

pub fn inv<'out, T>(out: &'out mut [T; 3], b: &[T; 3]) -> &'out mut [T; 3] where
    T: One + Neg<Output = T>,
    &'a T: Mul<&'b T, Output = T>, 

Example

let mut v = [1; 3];
vec3::inv(&mut v, &vec3::new_one());
assert_eq!(v, [-1; 3]);