vector256

package

v0.4.10 Latest Latest Go to latest Published: Nov 12, 2026 License: MIT Imports: 4 Imported by: 0

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Package vector256 represents a 256-dimensional float32 vector for pgvector part of aerth/mostly project

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var BitSize = 32 // should match F

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var VarLen = 256

VarLen used to work with non-256 dimensions

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type F = float32 // F is for use instead of float32(x) or float64(x)

Vector256 represents a 256-dimensional float32 vector for pgvector and may be zero-length or a slice of 256 float32

type SearchEmbeddings struct {
	Embeddings Vector256 `gorm:"type:vector(256);default:null" json:"-"`
}

SearchEmbeddings helper embedded type (for 256 specific)

type Vector256 []F // []float32, length enforced at [Vector256.Value] and [Vector256.Scan], must be [VarLen] and [BitSize]

Vector256 represents a 256-dimensional float32 vector for pgvector and may be zero-length or a slice of 256 float32

func (v *Vector256) Scan(value any) error

Scan converts the Postgres database value back into a Go float32 slice

func (v Vector256) Value() (driver.Value, error)

Value converts the Go float32 slice into the '[0.1,0.2,...]' string format Postgres expects