public double cossimDebug(TermVectorDouble v) {
if (this.size() > v.size()) {
return v.cossimDebug(this);
}
double dotproduct = 0;
for (Object2DoubleMap.Entry<String> entry : object2DoubleEntrySet()) {
dotproduct += v.getDouble(entry.getKey()) * entry.getDoubleValue();
log.info(
"%s %f %f %s",
entry.getKey(), v.getDouble(entry.getKey()), entry.getDoubleValue(), dotproduct);
}
double magnitude = magnitude() * v.magnitude();
log.info("magnitude %s %s %s", magnitude(), v.magnitude(), dotproduct / magnitude);
return (magnitude == 0) ? 0 : dotproduct / magnitude;
}
public double cossim(TermVectorDouble v) {
double dotproduct = 0;
for (Object2DoubleMap.Entry<String> entry : object2DoubleEntrySet()) {
dotproduct += v.getDouble(entry.getKey()) * entry.getValue();
}
double magnitude = magnitude() * v.magnitude();
double result = (magnitude == 0) ? 0 : dotproduct / magnitude;
return result;
}
