message: Workaround compilation error on nightly rust
diff: @@ -630,7 +630,7 @@ impl<S: BaseFloat> Rotation<Point3<S>> for Quaternion<S> {
  // same direction
  if ulps_eq!(k_cos_theta, S::one()) {
  - return Quaternion::one();
  + return Quaternion::<S>::one();
  }
  let k = (a.magnitude2() * b.magnitude2()).sqrt();
  