code: public Quaternionf rotationAxis(float angle, Vector3fc axis) {
          return rotationAxis(angle, axis.x(), axis.y(), axis.z());
      }
docs: Set this quaternion to a rotation of the given angle in radians about the supplied axis.
  
  @see #rotationAxis(float, float, float, float)
  
  @param angle
  the rotation angle in radians
  @param axis
  the axis to rotate about
  @return this