// AddToken adds a new word with IDF into it's dictionary.
func (i *Idf) AddToken(token dictionary.Token) {
i.Lock()
i.freqMap[token.Text()] = token.Frequency()
i.freqs = append(i.freqs, token.Frequency())
sort.Float64s(i.freqs)
i.median = i.freqs[len(i.freqs)/2]
i.Unlock()
}
func (d *Dictionary) addToken(token dictionary.Token) {
d.freqMap[token.Text()] = token.Frequency()
d.total += token.Frequency()
runes := []rune(token.Text())
n := len(runes)
for i := 0; i < n; i++ { //TODO: n-1?
frag := string(runes[:i+1])
if _, ok := d.freqMap[frag]; !ok {
d.freqMap[frag] = 0.0
}
}
}