20 lines
312 B
Text
20 lines
312 B
Text
|
fn gray_encode(integer: uint) -> uint {
|
||
|
|
(integer >> 1) ^ integer
|
||
|
|
}
|
||
|
|
|
||
|
|
fn gray_decode(integer: uint) -> uint {
|
||
|
|
match integer {
|
||
|
|
0 => 0,
|
||
|
|
_ => integer ^ gray_decode(integer >> 1)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
for i in range(0u,32u) {
|
||
|
|
println!("{:2} {:0>5t} {:0>5t} {:2}", i, i, gray_encode(i),
|
||
|
|
gray_decode(i));
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|