+ uint32_t h = 0xc062fb4a; /* random seed */
+ h = murmurhash3(h, (uint8_t*) seq->id1.s, seq->id1.n);
+ h = murmurhash3(h, (uint8_t*) seq->seq.s, seq->seq.n);
+ h = murmurhash3(h, (uint8_t*) seq->id2.s, seq->id2.n);
+ h = murmurhash3(h, (uint8_t*) seq->qual.s, seq->qual.n);
+ return h;