static void Main(string[] args)
{
int kf = 0;
double S1_N = CLS.Sum_of_Number_Series(0, N, Series_SN);
Console.WriteLine($"{N,8}{S1_N,20:F10}\r\n");
double S1_A = CLS.Sum_of_Number_Series_A(-1, eps, Series_S1, ref kf);
Console.WriteLine($"{kf,8}{S1_A,20:F10}\r\n");
double S1_D = CLS.Sum_of_Number_Series_D(1, delta, Series_S2, ref kf);
Console.WriteLine($"{kf,8}{S1_D,20:F10}\r\n");
N = 10000;
a = 1.20; b = -2.10; c = -0.50; d = 1.40;
double S1_NT = CLS.Sum_of_Number_Series(0, N, Series_SN);
Console.WriteLine($"{N,8}{S1_NT,20:F10}\r\n");
double S1_AT = CLS.Sum_of_Number_Series_A(-1, eps, Series_S1, ref kf);
Console.WriteLine($"{kf,8}{S1_AT,20:F10}\r\n");
double S1_DT = CLS.Sum_of_Number_Series_D(1, delta, Series_S2, ref kf);
Console.WriteLine($"{kf,8}{S1_DT,20:F10}\r\n");
}
static void Main(string[] args)
{
double True_Sum1 = Math.PI * Math.PI / 8.0 - 1.0;
double True_Sum2 = Math.Pow(Math.PI, 3.0) / 32.0;
int N = 10000, kf = 0; double Eps = 1.0E-9, delta = 1.0E-8;
double S1_N = CLS.Sum_of_Number_Series(1, N, My_ak);
Console.WriteLine("\r\n Summa 1 :");
Console.WriteLine($"{N,8}{S1_N,20:F15}\r\n{True_Sum1,28:F15}");
double S1_A = CLS.Sum_of_Number_Series_A(1, Eps, My_ak, ref kf);
Console.WriteLine($"{kf,8}{S1_A,20:F15}");
double S1_D = CLS.Sum_of_Number_Series_D(1, delta, My_ak, ref kf);
Console.WriteLine($"{kf,8}{S1_D,20:F15}");
double S2_N = CLS.Sum_of_Number_Series(0, N, My_bk);
Console.WriteLine("\r\n Summa 2 :");
Console.WriteLine($"{N,8}{S2_N,20:F15}\r\n{True_Sum2,28:F15}");
double S2_A = CLS.Sum_of_Number_Series_A(0, Eps, My_bk, ref kf);
Console.WriteLine($"{kf,8}{S2_A,20:F15}");
double S2_D = CLS.Sum_of_Number_Series_D(0, delta, My_bk, ref kf);
Console.WriteLine($"{kf,8}{S2_D,20:F15}");
Console.WriteLine("\r\n HOME_WORK");
double TrueSum1_H = 0.3794715778;
double TrueSum2_H = 3.0 / 4.0 * (1.0 - 2.0 * Math.PI / Math.Sqrt(27));
N = 18600;
double S1_H = CLS.Sum_of_Number_Series(1, N, My_ck);
int T_N = 17500;
double S1_H_T = CLS.Sum_of_Number_Series(1, T_N, My_ck);
Console.WriteLine("\r\n Summa 1 for home :");
Console.WriteLine($"{N,8}{S1_H,20:F10}\r\n");
bool check = Math.Round(S1_H_T, 10) == Math.Round(TrueSum1_H, 10);
Console.WriteLine($"{T_N,8}{S1_H_T,20:F10}\r\n{TrueSum1_H,28:F10}\r\n{check,20}");
double S2_H_A = CLS.Sum_of_Number_Series_A(1, Eps, My_dk, ref kf);
Console.WriteLine("\r\n Summa 2 for home :");
Console.WriteLine($"{kf,8}{S2_H_A,20:F10}\r\n{TrueSum2_H,28:F10}");
Console.ReadLine();
}
