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| fn bitstripes (n) | |
| -1:u64 // ((1:u64 << n) | 1) | |
| fn rbitstripes (n) | |
| d := (1:u64 << n) | 1 | |
| f := max (n * 2) 1 | |
| k := 64:u64 // f | |
| kf := k * f | |
| sh := 64:u64 - kf | |
| m := (-1:u64 // d) >> sh | |
| m | (m << kf) | |
| for i in (range 33) | |
| /bin (rbitstripes i) (mindigits = 64) | |
| /bin (bitstripes i) (mindigits = 64) | |
| i |
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