Function times5

third-party/lua-5.5.0/src/lmathlib.c:449–451

return i * 5 */

/* return i * 5 */
static Rand64 times5 (Rand64 i) {
  return Iadd(Ishl(i, 2), i);  /* i * 5 == (i << 2) + i */
}

/* return i * 9 */
static Rand64 times9 (Rand64 i) {