L4_SZ
for (i = 0; i < L4_SZ; i++) {
for (i = 0, count = 0, total = 0; i < L4_SZ; i++) {
tmp_index = tmp_index % L4_SZ;
for (i = 0; i < L4_SZ; i++) {
#define L5_INDEX(i) ((i) / (L1_SZ * L2_SZ * L3_SZ * L4_SZ))
#define L5_REM(i) ((i) % (L1_SZ * L2_SZ * L3_SZ * L4_SZ))
short l4[L4_SZ]; /* level 4 samples */