6 * Maps an octet representing the XOR of two two-bit-per-base-encoded
7 * DNA sequences to the number of bases that mismatch between the two.
9 * Generated with this perl:
11 * print "const unsigned char u8toMms[] = {\n";
12 * for(my $i = 0; $i < 256; $i++) {
18 * for(my $j = 0; $j < 4; $j++) {
32 unsigned char u8toMms[] = {
33 0, 1, 1, 1, 1, 2, 2, 2,
34 1, 2, 2, 2, 1, 2, 2, 2,
35 1, 2, 2, 2, 2, 3, 3, 3,
36 2, 3, 3, 3, 2, 3, 3, 3,
37 1, 2, 2, 2, 2, 3, 3, 3,
38 2, 3, 3, 3, 2, 3, 3, 3,
39 1, 2, 2, 2, 2, 3, 3, 3,
40 2, 3, 3, 3, 2, 3, 3, 3,
41 1, 2, 2, 2, 2, 3, 3, 3,
42 2, 3, 3, 3, 2, 3, 3, 3,
43 2, 3, 3, 3, 3, 4, 4, 4,
44 3, 4, 4, 4, 3, 4, 4, 4,
45 2, 3, 3, 3, 3, 4, 4, 4,
46 3, 4, 4, 4, 3, 4, 4, 4,
47 2, 3, 3, 3, 3, 4, 4, 4,
48 3, 4, 4, 4, 3, 4, 4, 4,
49 1, 2, 2, 2, 2, 3, 3, 3,
50 2, 3, 3, 3, 2, 3, 3, 3,
51 2, 3, 3, 3, 3, 4, 4, 4,
52 3, 4, 4, 4, 3, 4, 4, 4,
53 2, 3, 3, 3, 3, 4, 4, 4,
54 3, 4, 4, 4, 3, 4, 4, 4,
55 2, 3, 3, 3, 3, 4, 4, 4,
56 3, 4, 4, 4, 3, 4, 4, 4,
57 1, 2, 2, 2, 2, 3, 3, 3,
58 2, 3, 3, 3, 2, 3, 3, 3,
59 2, 3, 3, 3, 3, 4, 4, 4,
60 3, 4, 4, 4, 3, 4, 4, 4,
61 2, 3, 3, 3, 3, 4, 4, 4,
62 3, 4, 4, 4, 3, 4, 4, 4,
63 2, 3, 3, 3, 3, 4, 4, 4,
64 3, 4, 4, 4, 3, 4, 4, 4,