transpose_crc_swizzle_sketch.pseudo.rkt

span class="kw2"> for i, j in [0...m), [0...n)
t1[i][j] = inp[?swizzle1(i,j)][j] // Step 1: column shuffle
for i, j in [0...m), [0...n)
t2[i][j] = t1[i][?swizzle2(j,i)] // Step 2: row shuffle
for i, j in [0...m), [0...n)
out[i][j] = t2[?swizzle3(i,j)][j] // Step 3: column shuffle