Task 8 is done

2025.04.18/08Ex/contin_func.c

@@ -0,0 +1,42 @@
+#include "contin_func.h"
+
+#include <math.h>
+#include <float.h>
+
+double fln (const double x, const double eps)
+{
+	const double z = (x - 1) / (x + 1);
+	double value = 0;
+	double monom = z, el = z;
+	int i = 1;
+
+	while (el - eps > DBL_EPSILON)
+	{
+		value += el;
+
+		i+=2;
+		monom *= z*z;
+		el = monom / i;
+	}
+
+	return 2 * value;
+}
+
+double sln (const double x, const double eps)
+{
+	const double z = x - 1;
+	double value = 0;
+	double monom = z, el = z;
+	int i = 1;
+
+	while (fabs(el) - eps > DBL_EPSILON)
+	{
+		value += el;
+
+		i++;
+		monom *= -z;
+		el = monom / i;
+	}
+
+	return value;
+}