using System;
 
public class Test
{
	private static void Main() {
        Console.WriteLine(GetRandomDouble(double.MinValue, double.MaxValue));
        Console.WriteLine(GetRandomDouble(double.MinValue, 100.0));
        Console.WriteLine(GetRandomDouble(-100, double.MaxValue));
        Console.ReadLine();
    }
 
    private static Random rng = new Random();
 
    private static double GetRandomDouble(double min, double max)
    {
        // Get the base value, scale first and then shift.
        return rng.NextDouble()*(max - min) + min;
    }
}

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