Package org.apache.lucene.internal.vectorization

Interface VectorUtilSupport

public interface VectorUtilSupport
Interface for implementations of VectorUtil support.
NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

  • Method Summary

    Modifier and Type
    Method
    Description
    float
    cosine(byte[] a, byte[] b)
    Returns the cosine similarity between the two byte vectors.
    float
    cosine(float[] v1, float[] v2)
    Returns the cosine similarity between the two vectors.
    int
    dotProduct(byte[] a, byte[] b)
    Returns the dot product computed over signed bytes.
    float
    dotProduct(float[] a, float[] b)
    Calculates the dot product of the given float arrays.
    int
    squareDistance(byte[] a, byte[] b)
    Returns the sum of squared differences of the two byte vectors.
    float
    squareDistance(float[] a, float[] b)
    Returns the sum of squared differences of the two vectors.

  • Method Details

    • dotProduct

      float dotProduct(float[] a, float[] b)
      Calculates the dot product of the given float arrays.

    • cosine

      float cosine(float[] v1, float[] v2)
      Returns the cosine similarity between the two vectors.

    • squareDistance

      float squareDistance(float[] a, float[] b)
      Returns the sum of squared differences of the two vectors.

    • dotProduct

      int dotProduct(byte[] a, byte[] b)
      Returns the dot product computed over signed bytes.

    • cosine

      float cosine(byte[] a, byte[] b)
      Returns the cosine similarity between the two byte vectors.

    • squareDistance

      int squareDistance(byte[] a, byte[] b)
      Returns the sum of squared differences of the two byte vectors.