quantizer

Mar 26, 2026

Changes in this version

+ func CompressionRatio(dim, bits int) float64

+ func CosineSimilarity(a, b *QuantizedVector) (float64, error)

+ func Dequantize(qv *QuantizedVector) ([]float64, error)

+ func InnerProduct(a, b *QuantizedVector) (float64, error)

+ type Codebook struct

+ Bits int

+ Centers []float64

+ Levels int

+ Thresholds []float64

+ func GetCodebook(bits int) (*Codebook, error)

+ func (cb *Codebook) Dequantize(idx uint8) float64

+ func (cb *Codebook) MSEDistortion() float64

+ func (cb *Codebook) Quantize(x float64) uint8

+ type Config struct

+ Bits int

+ Seed int64

+ func DefaultConfig() Config

+ type QuantizedVector struct

+ Bits int

+ Codes []byte

+ Dim int

+ Norm float64

+ Seed int64

+ func Quantize(vec []float64, cfg Config) (*QuantizedVector, error)

+ type RotationMatrix struct

+ func NewRotation(dim int, seed int64) *RotationMatrix

+ func (r *RotationMatrix) Apply(x []float64)

+ func (r *RotationMatrix) ApplyInverse(x []float64)