Remove duplicated code

    return IVAS_ERR_OK;

}

#endif

#ifdef IVAS_FLOAT_FIXED

/*---------------------------------------------------------------------*

 * IVAS_REND_SetReferenceVector( )

 *

 * Sets a reference vector spanning from listenerPos to refPos. Only

 * available in OTR_TRACKING_REF_VEC and OTR_TRACKING_REF_VEC_LEV modes.

 *---------------------------------------------------------------------*/

ivas_error IVAS_REND_SetReferenceVector(

    IVAS_REND_HANDLE hIvasRend,     /* i/o: Renderer handle             */

    const IVAS_VECTOR3 listenerPos, /* i  : Listener position           */

    const IVAS_VECTOR3 refPos       /* i  : Reference position          */

)

{

    IF( hIvasRend == NULL || hIvasRend->headRotData.hOrientationTracker == NULL )

    {

        return IVAS_ERR_UNEXPECTED_NULL_POINTER;

    }

    return ivas_orient_trk_SetReferenceVector_fx( hIvasRend->headRotData.hOrientationTracker, listenerPos, refPos );

}

/*---------------------------------------------------------------------*

 * IVAS_REND_SetExternalOrientation()

 *

 *

 *---------------------------------------------------------------------*/

ivas_error IVAS_REND_SetExternalOrientation(

    IVAS_REND_HANDLE hIvasRend,          /* i/o: Renderer handle                                                         */

    IVAS_QUATERNION *orientation,        /* i  : external orientation data                                               */

    Word8 enableHeadRotation,            /* i  : flag to enable head rotation for this frame                             */

    Word8 enableExternalOrientation,     /* i  : flag to enable external orientation for this frame                      */

    Word8 enableRotationInterpolation,   /* i  : flag to interpolate rotations from current and previous frames          */

    Word16 numFramesToTargetOrientation, /* i  : number of frames until target orientation is reached                    */

    const Word16 sf_idx                  /* i  : subframe index                                                          */

)

{

    /* Validate function arguments */

    IF( hIvasRend == NULL || hIvasRend->hExternalOrientationData == NULL )

    {

        return IVAS_ERR_UNEXPECTED_NULL_POINTER;

    }

    IF( orientation == NULL )

    {

        hIvasRend->hExternalOrientationData->enableExternalOrientation[sf_idx] = 0;

    }

    ELSE

    {

        QuaternionInverse_fx( *orientation, &hIvasRend->hExternalOrientationData->Quaternions[sf_idx] );

        hIvasRend->hExternalOrientationData->enableHeadRotation[sf_idx] = enableHeadRotation;

        hIvasRend->hExternalOrientationData->enableExternalOrientation[sf_idx] = enableExternalOrientation;

        hIvasRend->hExternalOrientationData->enableRotationInterpolation[sf_idx] = enableRotationInterpolation;

        hIvasRend->hExternalOrientationData->numFramesToTargetOrientation[sf_idx] = numFramesToTargetOrientation;

        move16();

    }

    return IVAS_ERR_OK;

}

#else

/*---------------------------------------------------------------------*

 * IVAS_REND_SetReferenceVector( )

 *