public static int[] qualtityArray(Fastq fastq) {
		char qc[] = fastq.getQuality().toCharArray();
		int q[] = new int[qc.length];

		int min = (fastq.getVariant().isSanger() ? 33 : 64);
		for( int i = 0; i < qc.length; i++ )
			q[i] = qc[i] - min;

		return q;
	}