C# (CSharp) BloomFilter.GetStringの例

コード例 #1

ファイル: BloomFilterTests.cs プロジェクト: LiveFly/X

        public void Test3()
        {
            XTrace.WriteLine("低精度1");

            var count = 1_000_000;

            var bf  = new BloomFilter(count / 10);
            var rs1 = 0;
            var rs2 = 0;

            for (var i = 0; i < count; i++)
            {
                var key = $"ip_{i}";
                if (bf.Get(key))
                {
                    rs1++;
                }
                else
                {
                    bf.Set(key);
                    rs2++;
                }
            }
            var p1 = (Double)rs1 / count;
            var p2 = (Double)rs2 / count;

            XTrace.WriteLine($"  存在：{rs1} {p1:p8}");
            XTrace.WriteLine($"不存在：{rs2} {p2:p8}");

            //Assert.True(p1 < 0.06);
            //Assert.True(p2 > 0.94);

            var buf = bf.GetBytes();

            XTrace.WriteLine("bf.Length={0:n0}", buf.Length);

            var str = bf.GetString();

            XTrace.WriteLine("str.Length={0:n0}", str.Length);
        }