SHOW:
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- or go back to the newest paste.
| 1 | for i, j in [0...m), [0...n) | |
| 2 | t1[i][j] = inp[?swizzle1(i,j)][j] // Step 1: column shuffle | |
| 3 | for i, j in [0...m), [0...n) | |
| 4 | t2[i][j] = t1[i][?swizzle2(j,i)] // Step 2: row shuffle | |
| 5 | for i, j in [0...m), [0...n) | |
| 6 | out[i][j] = t2[?swizzle3(i,j)][j] // Step 3: column shuffle |
