QUAD_MAX
if ((num == QUAD_MAX) || (num <= 0) || (expr == val))
maxsize = QUAD_MAX;
maxsize = QUAD_MAX;
maxsize = QUAD_MAX;
maxsize[0] = maxsize[1] = QUAD_MAX; /* we need to calculate sd size */
cutoff = neg ? (u_quad_t)-(QUAD_MIN + QUAD_MAX) + QUAD_MAX : QUAD_MAX;
acc = neg ? QUAD_MIN : QUAD_MAX;
if (new->o_data > QUAD_MAX / scale)