daily update on 20240514 by nitload youmu

Randomizer/ConsoleApp1/Program.cs

@@ -0,0 +1,62 @@
+using Randomizer;
+
+using System.Text;
+
+namespace ConsoleApp1
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            string test =DateTime.UtcNow.ToString("o");
+
+            RandomGenerator r = new RandomGenerator(test);
+            Random rd = new Random(test.GetHashCode());
+
+            string filename = "rand.bin";
+            /*
+            if (!File.Exists(filename))
+            {
+                FileStream stream = File.Create(filename);
+                stream.Close();
+            }
+            using (FileStream fileStream = File.Open(filename, FileMode.OpenOrCreate, FileAccess.ReadWrite))
+            {
+                // 清空文件内容
+                fileStream.SetLength(0);
+                for (int i = 0; i < 1e5; i++)
+                {
+                    int num = r.GenRandomInt();
+                    byte[] stream = BitConverter.GetBytes(num);
+                    fileStream.Write(stream,0,4);
+                }
+            }
+            /**/
+            /**/
+            int groupCount = 200, groupCapacity = 100;
+            int[] count = new int[groupCount];
+            int[] count1 = new int[groupCount];
+            Array.Fill(count, 0);
+            Array.Fill(count1, 0);
+            for (int i = 0; i < groupCount * groupCapacity; i++)
+            {
+                float num = r.GenRandomSingle();
+                int index = (int)(num * groupCount);
+                //Console.WriteLine(num);
+                count[index]++;
+            }
+            for (int i = 0; i < groupCount * groupCapacity; i++)
+            {
+                float num = rd.NextSingle();
+                int index = (int)(num * groupCount);
+                //Console.WriteLine(num);
+                count1[index]++;
+            }
+            for (int i = 0; i < groupCapacity; i++)
+            {
+                Console.WriteLine($"{count[i]}\t{count1[i]}\t{groupCapacity}");
+            }
+            /**/
+        }
+    }
+}