// writeFlipped() writes out a stream of bits that says whether or not the
// reads were flipped.
func writeFlipped(out *bitio.Writer, reads []*FastQ) {
for _, fq := range reads {
if fq.IsFlipped {
out.WriteBit(1)
} else {
out.WriteBit(0)
}
}
}
// given a list of kmers, encode them to a file using the bittree scheme. The
// kmers must be sorted and they must be unique.
func encodeKmersToFile(kmers []string, out *bitio.Writer) {
log.Printf("Encoding %v kmers to bittree file...", len(kmers))
bits := make(chan byte, 1000000)
go traverseToBitTree(kmers, bits)
count := 0
for c := range bits {
out.WriteBit(c)
count++
}
log.Printf("done. Wrote %v bits", count)
}