IS_VECT_FREE
if (IS_VECT_FREE(vecp)) {
ASSERT(!IS_VECT_FREE(vecp));
if (IS_VECT_FREE(apixp->x_vectbl[i]))
ASSERT(!IS_VECT_FREE(vecp));
if (!IS_VECT_FREE(xv_vector(tocpu, i)))
if (!IS_VECT_FREE(xv_vector(tocpu, i)))
ASSERT(IS_VECT_FREE(vecp));