示例#1
0
        public static string Dec2Frac(double dbl)
        {
            char neg = ' ';
            double dblDecimal = dbl;
            if (dblDecimal == (int)dblDecimal) return dblDecimal.ToString(); //return no if it's not a decimal
            if (dblDecimal < 0)
            {
                dblDecimal = Math.Abs(dblDecimal);
                neg = '-';
            }
            var whole = (int)Math.Truncate(dblDecimal);
            string decpart = dblDecimal.ToString().Replace(Math.Truncate(dblDecimal) + ".", "");
            double rN = Convert.ToDouble(decpart);
            double rD = Math.Pow(10, decpart.Length);

            string rd = Recur(decpart);
            int rel = Convert.ToInt32(rd);
            if (rel != 0)
            {
                rN = rel;
                rD = (int)Math.Pow(10, rd.Length) - 1;
            }
            //just a few prime factors for testing purposes
            var primes = new[] { 47, 43, 37, 31, 29, 23, 19, 17, 13, 11, 7, 5, 3, 2 };
            foreach (int i in primes) ReduceNo(i, ref rD, ref rN);

            rN = rN + (whole * rD);
            return string.Format("{0}{1}/{2}", neg, rN, rD);
        }
示例#2
0
        private bool EnableGroupByPresentationUniqueKey(InternalItemsQuery query)
        {
            if (!query.GroupByPresentationUniqueKey)
            {
                return false;
            }

            if (!string.IsNullOrWhiteSpace(query.PresentationUniqueKey))
            {
                return false;
            }

            if (query.User == null)
            {
                return false;
            }

            if (query.IncludeItemTypes.Length == 0)
            {
                return true;
            }

            var types = new[] {
                typeof(Episode).Name,
                typeof(Video).Name ,
                typeof(Movie).Name ,
                typeof(MusicVideo).Name ,
                typeof(Series).Name ,
                typeof(Season).Name };

            if (types.Any(i => query.IncludeItemTypes.Contains(i, StringComparer.OrdinalIgnoreCase)))
            {
                return true;
            }

            return false;
        }