/// <summary>
/// Checks whether all the positive bits in BitArray bs2 occur in BitArray bs1. If
/// so, the molecular structure from which bs2 was generated is a possible
/// substructure of bs1.
/// </summary>
/// <example>
/// <include file='IncludeExamples.xml' path='Comments/Codes[@id="NCDK.Fingerprints.FingerprinterTool_Example.cs+IsSubset"]/*' />
/// </example>
/// <param name="bs1">The reference <see cref="BitArray"/></param>
/// <param name="bs2">The <see cref="BitArray"/> which is compared with bs1</param>
/// <returns>True, if bs2 is a subset of bs1</returns>
// @cdk.keyword substructure search
public static bool IsSubset(BitArray bs1, BitArray bs2)
{
BitArray clone = (BitArray)bs1.Clone();
BitArrays.And(clone, bs2);
if (BitArrays.Equals(clone, bs2))
{
return(true);
}
return(false);
}