4 fn s1(a: u32) -> u32 {  in s1()
8 fn s2(a: u32, b: u32) -> u32 {  in s2()
12 fn s3(a: u32, b: u32, c: u32) -> u32 {  in s3()
16 fn s4(a: u32, b: u32, c: u32, d: u32) -> u32 {  in s4()
20 fn sum_s1(s: &[u32]) -> u32 {  in sum_s1()
24 fn sum_s2(s: &[u32]) -> u32 {  in sum_s2()
28 fn sum_s3(s: &[u32]) -> u32 {  in sum_s3()
32 fn sum_s4(s: &[u32]) -> u32 {  in sum_s4()
36 fn sum_t1(s: &(&u32, )) -> u32 {  in sum_t1()
40 fn sum_t2(s: &(&u32, &u32)) -> u32 {  in sum_t2()
44 fn sum_t3(s: &(&u32, &u32, &u32)) -> u32 {  in sum_t3()
48 fn sum_t4(s: &(&u32, &u32, &u32, &u32)) -> u32 {  in sum_t4()