distancer

Documentation

Index

• func DotProductGo(a, b []float32) float32
• func Normalize(v []float32) []float32
• type CosineDistance
  • func (d *CosineDistance) Distance(b []float32) (float32, bool, error)
• type CosineDistanceProvider
  • func NewCosineDistanceProvider() CosineDistanceProvider
  • func (d CosineDistanceProvider) New(a []float32) Distancer
  • func (d CosineDistanceProvider) SingleDist(a, b []float32) (float32, bool, error)
  • func (d CosineDistanceProvider) Type() string
• type Distancer
• type DotProduct
  • func (d *DotProduct) Distance(b []float32) (float32, bool, error)
• type DotProductProvider
  • func NewDotProductProvider() DotProductProvider
  • func (d DotProductProvider) New(a []float32) Distancer
  • func (d DotProductProvider) SingleDist(a, b []float32) (float32, bool, error)
  • func (d DotProductProvider) Type() string
• type GeoDistancer
  • func (g GeoDistancer) Distance(b []float32) (float32, bool, error)
• type GeoProvider
  • func (p GeoProvider) New(vec []float32) Distancer
  • func (p GeoProvider) SingleDist(vec1, vec2 []float32) (float32, bool, error)
  • func (p GeoProvider) Type() string
• type Hamming
  • func (l Hamming) Distance(b []float32) (float32, bool, error)
• type HammingProvider
  • func NewHammingProvider() HammingProvider
  • func (l HammingProvider) New(a []float32) Distancer
  • func (l HammingProvider) SingleDist(a, b []float32) (float32, bool, error)
  • func (l HammingProvider) Type() string
• type L2Squared
  • func (l L2Squared) Distance(b []float32) (float32, bool, error)
• type L2SquaredProvider
  • func NewL2SquaredProvider() L2SquaredProvider
  • func (l L2SquaredProvider) New(a []float32) Distancer
  • func (l L2SquaredProvider) SingleDist(a, b []float32) (float32, bool, error)
  • func (l L2SquaredProvider) Type() string
• type Manhattan
  • func (l Manhattan) Distance(b []float32) (float32, bool, error)
• type ManhattanProvider
  • func NewManhattanProvider() ManhattanProvider
  • func (l ManhattanProvider) New(a []float32) Distancer
  • func (l ManhattanProvider) SingleDist(a, b []float32) (float32, bool, error)
  • func (l ManhattanProvider) Type() string
• type Provider
  • func NewGeoProvider() Provider

Functions

func DotProductGo

func DotProductGo(a, b []float32) float32

func Normalize

func Normalize(v []float32) []float32

Types

type CosineDistance

type CosineDistance struct {
	// contains filtered or unexported fields
}

func (*CosineDistance) Distance

func (d *CosineDistance) Distance(b []float32) (float32, bool, error)

type CosineDistanceProvider

type CosineDistanceProvider struct{}

func NewCosineDistanceProvider

func NewCosineDistanceProvider() CosineDistanceProvider

func (CosineDistanceProvider) New

func (d CosineDistanceProvider) New(a []float32) Distancer

func (CosineDistanceProvider) SingleDist

func (d CosineDistanceProvider) SingleDist(a, b []float32) (float32, bool, error)

func (CosineDistanceProvider) Type

func (d CosineDistanceProvider) Type() string

type Distancer

type Distancer interface {
	Distance(vec []float32) (float32, bool, error)
}

type DotProduct

type DotProduct struct {
	// contains filtered or unexported fields
}

func (*DotProduct) Distance

func (d *DotProduct) Distance(b []float32) (float32, bool, error)

type DotProductProvider

type DotProductProvider struct{}

func NewDotProductProvider

func NewDotProductProvider() DotProductProvider

func (DotProductProvider) New

func (d DotProductProvider) New(a []float32) Distancer

func (DotProductProvider) SingleDist

func (d DotProductProvider) SingleDist(a, b []float32) (float32, bool, error)

func (DotProductProvider) Type

func (d DotProductProvider) Type() string

type GeoDistancer

type GeoDistancer struct {
	// contains filtered or unexported fields
}

func (GeoDistancer) Distance

func (g GeoDistancer) Distance(b []float32) (float32, bool, error)

type GeoProvider

type GeoProvider struct{}

func (GeoProvider) New

func (p GeoProvider) New(vec []float32) Distancer

func (GeoProvider) SingleDist

func (p GeoProvider) SingleDist(vec1, vec2 []float32) (float32, bool, error)

func (GeoProvider) Type

func (p GeoProvider) Type() string

type Hamming

type Hamming struct {
	// contains filtered or unexported fields
}

func (Hamming) Distance

func (l Hamming) Distance(b []float32) (float32, bool, error)

type HammingProvider

type HammingProvider struct{}

func NewHammingProvider

func NewHammingProvider() HammingProvider

func (HammingProvider) New

func (l HammingProvider) New(a []float32) Distancer

func (HammingProvider) SingleDist

func (l HammingProvider) SingleDist(a, b []float32) (float32, bool, error)

func (HammingProvider) Type

func (l HammingProvider) Type() string

type L2Squared

type L2Squared struct {
	// contains filtered or unexported fields
}

func (L2Squared) Distance

func (l L2Squared) Distance(b []float32) (float32, bool, error)

type L2SquaredProvider

type L2SquaredProvider struct{}

func NewL2SquaredProvider

func NewL2SquaredProvider() L2SquaredProvider

func (L2SquaredProvider) New

func (l L2SquaredProvider) New(a []float32) Distancer

func (L2SquaredProvider) SingleDist

func (l L2SquaredProvider) SingleDist(a, b []float32) (float32, bool, error)

func (L2SquaredProvider) Type

func (l L2SquaredProvider) Type() string

type Manhattan

type Manhattan struct {
	// contains filtered or unexported fields
}

func (Manhattan) Distance

func (l Manhattan) Distance(b []float32) (float32, bool, error)

type ManhattanProvider

type ManhattanProvider struct{}

func NewManhattanProvider

func NewManhattanProvider() ManhattanProvider

func (ManhattanProvider) New

func (l ManhattanProvider) New(a []float32) Distancer

func (ManhattanProvider) SingleDist

func (l ManhattanProvider) SingleDist(a, b []float32) (float32, bool, error)

func (ManhattanProvider) Type

func (l ManhattanProvider) Type() string

type Provider

type Provider interface {
	New(vec []float32) Distancer
	SingleDist(vec1, vec2 []float32) (float32, bool, error)
	Type() string
}

func NewGeoProvider

func NewGeoProvider() Provider