#include "stdafx.h"
#include <stdio.h>
#include <math.h>
#include <conio.h>
#pragma hdrstop

//---------------------------------------------------------------------------

#pragma argsused
long double factorial(long double n) {
	if (n <= 0) return 1;
	else return n*factorial(n - 1);
}
int main(int argc, char* argv[])
{
	double dblA = 0.10420, dblB = 3.14159, dblEps = 0.00001, dblH, dblSN = 0, dblSE = 0, dblX, dblY, dblU;
	int iN = 6, iI, iJ;
	dblH = (dblB - dblA) / 10;
	for (dblX = dblA; dblX <= dblB; dblX += dblH)
	{
		dblSN = dblX;
		dblSE = dblX;
		for (iI = 1; iI <= iN; iI++)
		{
			dblSN += (pow(dblX, (double)(2 * iI)) / factorial(2 * iI + 1));
		}
		iJ = 1;
		do {
			dblU = (pow(dblX, (double)(2 * iJ)) / factorial(2 * iJ + 1));
			dblSE += dblU;
			iJ++;
			if (dblU<0) dblU *= -1;
		} while (dblU>dblEps);
		dblY = sin(dblX) / dblX;
		printf("X=%f SN=%f SE=%f Y=%f\n", dblX, dblSN, dblSE, dblY);
	}

	return 0;
}
//---------------------------------------------------------------------------