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series.cpp

+#include <iostream>
+#include <cmath>
+#include <limits>
+#include <iomanip>
+
+using namespace std;
+
+#include "functions.h"
+
+int main()
+{
+    cout << "\t25.02.2022 Kadyshev K \n\n"\
+            "\t              (i!)    (2i - 1)\n"\
+            "\t          (-1)     * x        \n"\
+            "\tG(x, i) = --------------------\n"\
+            "\t               i              \n"\
+            "\t              x  + cos(ix)    \n\n";
+
+    ldouble_t x = 16;
+    int N = 0;
+    cout << "\tx> ";
+    cin >> x;
+    cout << "\tN> ";
+    cin >> N;
+
+    cout << "\n\n\tF("<<x<<", "<<N<<") = " << F(x, N) << "\n";
+    return 0;
+}