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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package clients
import "errors"
type bertEmbeddingsDecoder struct{}
func newBertEmbeddingsDecoder() *bertEmbeddingsDecoder {
return &bertEmbeddingsDecoder{}
}
func (d bertEmbeddingsDecoder) calculateVector(embeddings [][]float32) ([]float32, error) {
if len(embeddings) > 0 {
vectorLen := len(embeddings[0])
sumEmbeddings := make([]float32, vectorLen)
embeddingsLen := len(embeddings)
var sum float32
for i := 0; i < vectorLen; i++ {
sum = 0
for j := 0; j < embeddingsLen; j++ {
sum += embeddings[j][i]
}
sumEmbeddings[i] = sum
}
for i := range sumEmbeddings {
sumEmbeddings[i] = sumEmbeddings[i] / float32(embeddingsLen)
}
return sumEmbeddings, nil
}
return nil, errors.New("missing embeddings")
}
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