func loadMinhashFormatV1(r io.Reader) (*Minhash, error) {
data, err := bit.LoadArray(r)
if err != nil {
return nil, err
}
return &Minhash{data}, nil
}
func loadLSHFormatV1(r io.Reader) (*LSH, error) {
data, err := bit.LoadArray(r)
if err != nil {
return nil, err
}
return &LSH{data}, nil
}
func loadEuclidLSHFormatV1(r io.Reader) (*EuclidLSH, error) {
var d euclidLSHMsgpack
dec := codec.NewDecoder(r, nnMsgpackHandle)
if err := dec.Decode(&d); err != nil {
return nil, err
}
lshs, err := bit.LoadArray(r)
if err != nil {
return nil, err
}
return &EuclidLSH{
lshs: lshs,
norms: d.Norms,
cosTable: cosTable(lshs.BitNum()),
}, nil
}