public void ShouldSuccessCalculateIntegralViaMidRectMethod(double a, double b, int n, double expectedResult, double eps)
{
IntegrateOptions options = new IntegrateOptions()
{
StartX = a,
EndX = b,
Steps = n,
Function = TestFunc
};
double actualResult = Integrals.MidRect(options);
Assert.IsTrue(Math.Abs(expectedResult - actualResult) <= eps);
}
static void Main(string[] args)
{
double a = -1, b = 0.9;
int n = 100;
IntegrateOptions options = new IntegrateOptions()
{
StartX = a,
EndX = b,
Steps = n,
Function = x => 20 * x - 2.5 / (x - 1)
};
double S = Integrals.MidRect(options);
Console.WriteLine("Result {0:#.###E+00}", S);
}
