C#随机数生成

最新推荐文章于 2023-08-12 11:45:03 发布

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Test
{
    public static class LxRandom
    {
        public static int GetRandom()
        {
            long tick = DateTime.Now.Ticks;
            Random rdm = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));
            return rdm.Next(0, 2);
        }

        public static int GetRandom(int minValue, int maxValue)
        {
            long tick = DateTime.Now.Ticks;
            Random rdm = new Random((int)(tick & 0xffffffffL) | (int)(tick >> 32));
            return rdm.Next(minValue, maxValue);
        }

        private static int[] __GetRandomArray(int length, int minValue, int maxValue)
        {
            long tick = DateTime.Now.Ticks;
            Random rdm = new Random();
            int[] ret = new int[length];
            for (int i = 0; i < length; ++i)
            {
                ret[i] = rdm.Next(minValue, maxValue);
            }
            return ret;
        }

        public static int[] GetRandomArray(int length)
        {
            return __GetRandomArray(length, 0, 2);
        }

        public static int[] GetRandomArray(int length, int minValue, int maxValue)
        {
            return __GetRandomArray(length, minValue, maxValue+1);
        }


        public static double[] GetRandomArray(int length, double minValue, double maxValue)
        {
            long tick = DateTime.Now.Ticks;
            Random rdm = new Random();
            double[] ret = new double[length];
            for (int i = 0; i < length; ++i)
            {
                ret[i] = minValue + rdm.NextDouble() * (maxValue - minValue);
            }
            return ret;
        }
    }
}

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