System.Xml.Serialization.SchemaObjectCache.CompositeHash C# (CSharp) Method

        private int CompositeHash(XmlSchemaObject o, int hash) {
            ArrayList list = GetDependencies(o, new ArrayList(), new Hashtable());
            double tmp = 0;
            for (int i = 0; i < list.Count; i++) {
                object cachedHash = Hash[list[i]];
                if (cachedHash is int) {
                    tmp += (int)cachedHash/list.Count;
                }
            }
            return (int)tmp;
        }