public double totalWords() throws CorruptIndexException, IOException {
byte[] fieldNorms = reader.norms(field);
double collectionLength = 0;
for (int i = 0; i < fieldNorms.length; i++) {
collectionLength += 1.0d * Normalise.decodeNorm(fieldNorms[i]);
// System.out.println(field);
}
CL = collectionLength;
avgDL = collectionLength / fieldNorms.length * 1.0d;
return collectionLength;
}
