Function invert

invert(
    out: quat2.Quat2,
    a: readonly [
        number,
        number,
        number,
        number,
        number,
        number,
        number,
        number,
    ],
): quat2.Quat2
Calculates the inverse of a dual quat. If they are normalized, conjugate is cheaper
Parameters
- out: quat2.Quat2
  the receiving dual quaternion
- a: readonly [number, number, number, number, number, number, number, number]
  dual quat to calculate inverse of
Returns quat2.Quat2
out
- Defined in core/quat2.ts:797