/// <summary>
/// Determine similarity.
/// </summary>
/// <param name="estimator">The estimator to compare against.</param>
/// <returns>Similarity (percentage similar, zero is completely different, one is completely the same)</returns>
/// <remarks>Zero is no similarity, one is completely similar.</remarks>
public double?Similarity(IBitMinwiseHashEstimator <TEntity, TId, TCount> estimator)
{
if (estimator == null)
{
return(0.0D);
}
return(Extract()
.Similarity(estimator.Extract()));
}
/// <summary>
/// Add an estimator
/// </summary>
/// <param name="estimator">The estimator to add.</param>
/// <returns></returns>
public void Add(IBitMinwiseHashEstimator <TEntity, TId, TCount> estimator)
{
Rehydrate(
FullExtract()
.Add(
estimator?.FullExtract(),
_configuration.FoldingStrategy,
true));
}
/// <summary>
/// Intersect an estimator
/// </summary>
/// <param name="estimator">The estimator to add.</param>
/// <returns></returns>
public void Intersect(IBitMinwiseHashEstimator <TEntity, TId, TCount> estimator)
{
Rehydrate(FullExtract().Intersect(estimator?.FullExtract(), _configuration.FoldingStrategy));
}
