natix.CompactDS.SeqPlain.FindPopCount C# (CSharp) Method

        public int FindPopCount(int symbol, int sp, int count)
        {
            var n = this.SEQ.Count;
            var pc = 0;
            var i = 0;
            while (pc < count && sp < n) {
                if (this.SEQ [sp] == symbol) {
                    ++pc;
                }
                ++sp;
                ++i;
            }
            if (pc != count) {
                throw new IndexOutOfRangeException(String.Format ("symbol: {0}, sp: {1}, count: {2}, pc: {3}, i: {4}",
                                                                  symbol, sp, count, pc, i));
            }
            return sp - 1;
        }