-/** @param n A number.
- * @param r Rounding `boundary' (must be a power of 2)
- * @return n rounded to the nearest r
- */
-int
-round_to (float n, int r)
-{
- DCPOMATIC_ASSERT (r == 1 || r == 2 || r == 4);
- return int (n + float(r) / 2) &~ (r - 1);
-}
-