daft.functions.cosine_similarity#

def cosine_similarity(left: Expression, right: Expression) -> Expression:
    """Compute the cosine similarity between two embeddings.

    Args:
        left (FixedSizeList or Embedding Expression): The left vector
        right (FixedSizeList or Embedding Expression): The right vector

    Returns:
        Expression (Float64 Expression): the cosine similarity between the two vectors.
    """
    return Expression._call_builtin_scalar_fn("cosine_similarity", left, right)