static void Main(string[] args)
{
var result = QuadricEquation.Solve(1, -2, -3);
if (result[1] == -1 && result[0] == 3)
{
Console.WriteLine("PASS");
}
else
{
Console.WriteLine("FAIL");
}
}
static void Main(string[] args)
{
var a = double.Parse(Console.ReadLine());
var b = double.Parse(Console.ReadLine());
var c = double.Parse(Console.ReadLine());
var result = QuadricEquation.Solve(a, b, c);
Console.WriteLine(result[0]);
Console.WriteLine(result[1]);
Console.ReadKey();
}
void Test(double a, double b, double c, int length, double x1, double x2)
{
var result = QuadricEquation.Solve(a, b, c);
Assert.AreEqual(length, result.Length);
if (length > 0)
{
Assert.AreEqual(result[0], x1);
}
if (length > 1)
{
Assert.AreEqual(result[1], x2);
}
}
void Test(double A, double B, double C,
int length, double x1, double x2)
{
var result = QuadricEquation.Solve(A, B, C);
Assert.AreEqual(length, result.Length);
if (length > 0)
{
Assert.AreEqual(result[0], x1);
}
if (length > 1)
{
Assert.AreEqual(result[1], x2);
}
}
public void FunctionalTest()
{
var rnd = new Random(1);
for (int i = 0; i < 100; i++)
{
var a = rnd.NextDouble() * 10;
var b = rnd.NextDouble() * 10;
var c = rnd.NextDouble() * 10;
var solution = QuadricEquation.Solve(a, b, c);
for (int j = 0; j < solution.Length; j++)
{
Assert.AreEqual(0, a * solution[j] * solution[j] + b * solution[j] + c, 10e-6);
}
}
}
