Unpack cold 5-trits-per-byte format back to `i8` trits.
(cold: &[u8], dim: usize)
| 44 | |
| 45 | /// Unpack cold 5-trits-per-byte format back to `i8` trits. |
| 46 | pub fn unpack_cold(cold: &[u8], dim: usize) -> Vec<i8> { |
| 47 | let mut out = Vec::with_capacity(dim); |
| 48 | 'outer: for &byte in cold { |
| 49 | let mut v = byte; |
| 50 | for _ in 0..5 { |
| 51 | if out.len() >= dim { |
| 52 | break 'outer; |
| 53 | } |
| 54 | out.push(u8_to_trit(v % 3)); |
| 55 | v /= 3; |
| 56 | } |
| 57 | } |
| 58 | out |
| 59 | } |
| 60 | |
| 61 | /// Pack trits into hot 2-bpw format (4 trits per byte). |
| 62 | /// |