static void Main(string[] args)
{
try
{
Console.WriteLine("Введите имя входного файла:");
string inputFileName = Console.ReadLine();
Evaluator function;
double a;
double b;
double h;
using (StreamReader inputFile = new StreamReader(inputFileName))
{
function = new Evaluator(inputFile.ReadLine());
var parameters = inputFile.ReadLine().ToDoubleArray();
a = parameters[0];
b = parameters[1];
h = parameters[2];
}
LeftRectangleIntegrator integrator1 = new LeftRectangleIntegrator(function);
TrapeziumIntegrator integrator2 = new TrapeziumIntegrator(function);
double result1 = integrator1.Integrate(a, b, h);
double result2 = integrator2.Integrate(a, b, h);
Console.WriteLine("Введите имя выходного файла:");
string outputFileName = Console.ReadLine();
using (StreamWriter outputFile = new StreamWriter(outputFileName))
{
outputFile.WriteLine(result1.ToString("F4", CultureInfo.InvariantCulture));
outputFile.WriteLine(result2.ToString("F4", CultureInfo.InvariantCulture));
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.ReadKey();
}
}
public TrapeziumIntegrator(Evaluator function)
{
this.function = function;
}
public LeftRectangleIntegrator(Evaluator function)
{
this.function = function;
}