(rng: &mut R, stride_bitmask: u8)
| 80 | ]; |
| 81 | |
| 82 | pub fn random_stride<R: Rng>(rng: &mut R, stride_bitmask: u8) -> usize { |
| 83 | let choices: &[usize] = match stride_bitmask { |
| 84 | 7 => &[1, 2, 4], |
| 85 | 6 => &[2, 4], |
| 86 | 5 => &[1, 4], |
| 87 | 4 => &[4], |
| 88 | 3 => &[1, 2], |
| 89 | 2 => &[2], |
| 90 | 1 => &[1], |
| 91 | _ => &[1], |
| 92 | }; |
| 93 | *choices.choose(rng).unwrap_or(&1) |
| 94 | } |
| 95 | |
| 96 | /// Generate a random range between `start..=end` with a maximum size of `max_size`. |
| 97 | pub fn rand_range<R: Rng>( |
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