public double numSharedTokenScore() {
if (!(t1 instanceof JavaMethod)) return 0;
if (!(t2 instanceof JavaMethod)) return 0;
JavaMethod o = (JavaMethod) t1;
JavaMethod n = (JavaMethod) t2;
String oldN = o.toString();
String newN = n.toString();
String oldNameTokens[] = Tokenize.tokenizeOrderingLetter(oldN);
String newNameTokens[] = Tokenize.tokenizeOrderingLetter(newN);
double score1 = (double) LCS.getNumSharedTokens(oldNameTokens, newNameTokens);
double max1 = (double) Math.max(oldNameTokens.length, newNameTokens.length);
double result1 = score1 / max1;
return result1;
}
