using System;
using System.Collections.Generic;

namespace TestConsole.Mathematic
{
    public class QuadricFunctionCalculator
    {
        public List<double> GetResults(double a, double b, double c)
        {
            double delta = Math.Pow(b,2) - (4 * a * c);

            if (delta > 0)
            {
                double p1 = (-b - System.Math.Sqrt(delta)) / (2 * a);
                double p2 = (-b + System.Math.Sqrt(delta)) / (2 * a);
                return new List<double> { p1, p2 };
            }
            else if (delta == 0)
            {
                double p0 = (-b) / (2 * a);
                return new List<double> { p0 };
            }
            return new List<double> { };
        }
    }
}