protected override Vector <double> Solve(Vector <double> input)
{
Vector <double> result = new Vector <double>();
if (input != null)
{
if (input.Count == 3)
{
double a = input[0];
double b = input[1];
double c = input[2];
if (a == 0)
{
LinearEquation linearEquation = new LinearEquation();
linearEquation.Input = new Vector <double>()
{
b, c
};
result = linearEquation.Output;
}
else
{
double delta = b * b - 4 * a * c;
if (delta < 0)
{
result.IsNull = true;
}
else if (delta == 0)
{
result.Add(-b / 2 * a);
}
else
{
double sqrtDelta = Math.Sqrt(delta);
result.Add((-b + sqrtDelta) / (2 * a));
result.Add((-b - sqrtDelta) / (2 * a));
}
}
}
else
{
throw new Exception("Invalid input vector: " + input);
}
}
else
{
throw new Exception("Input must not null");
}
return(result);
}
static void Main(string[] args)
{
List <Vector <double> > inputs;
List <Vector <double> > result = new List <Vector <double> >();
Equation <double> equation;
LinearEquation linearEquation = new LinearEquation();
QuadraticEquation quadraticEquation = new QuadraticEquation();
try
{
inputs = FileUtils.ReadFile("testcases.txt");
Vector <double> res = new Vector <double>();
foreach (Vector <double> input in inputs)
{
if (input.Count < 3)
{
equation = linearEquation;
equation.Input = input;
}
else
{
equation = quadraticEquation;
equation.Input = input;
}
res = equation.Output;
Console.WriteLine("Input: {0,-15} -> Result: {1,-15}", input, res);
result.Add(res);
}
FileUtils.WriteFile("result.txt", result);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
Console.Read();
}
