func (this *ScalableBloom) addBloomFilter() {
var bf bloom.Bloom
if this.bfc == nil {
bf = partitioned.New(this.n)
} else {
bf = this.bfc(this.n)
}
e := this.e * math.Pow(float64(this.r), float64(len(this.bfs)))
bf.SetHasher(this.h)
bf.SetErrorProbability(e)
bf.Reset()
this.bfs = append(this.bfs, bf)
//fmt.Println("Added new bloom filter")
}
func testBloomFilter(t *testing.T, bf bloom.Bloom) {
fn, fp := 0, 0
for l := range web2 {
if !(bf.Add([]byte(web2[l])).Check([]byte(web2[l]))) {
fn++
}
}
bf.PrintStats()
for l := range web2a {
if bf.Check([]byte(web2a[l])) {
//fmt.Println("False Positive:", web2a[l])
fp++
}
}
fmt.Printf("Total false negatives: %d (%.4f%%)\n", fn, (float32(fn) / float32(len(web2)) * 100))
fmt.Printf("Total false positives: %d (%.4f%%)\n", fp, (float32(fp) / float32(len(web2a)) * 100))
}