#include "pch.h"

#include <iostream>

#include <math.h>

using namespace std;

double functionu(double y, float u) {

	double z, g;

	if ((0<y)&&(y<15))

		z = y;

	else {


			z = 2;

	}

g = pow((sqrt(z)-z),2);

	u = u + g;

	return u;

}

double functiony(double a, double b, int i) {

	double y;

	if (abs(a*b) <= 1)

		y = 2*pow((a*b),i)+pow(i,2)-a / 2*(pow(a,2)+pow(b,2))+i;

	else

		y = 2*a*b+(pow((-1),i))*(a-i)/ 2 * (pow(a, 2) + pow(b, 2));

	return y;

}

void ashipka(double n, double amax, double amin, double bmax, double bmin, double da, double db) {

	if (n != round(n)) {

		printf("***********************************************************************************************************************\n");

		printf(" __________________________________________________________________________");

		printf("\n\n Некорректно введены данные!!! \"n\" должно быть целым числом \n");

		printf(" __________________________________________________________________________\n\n");

		printf("***********************************************************************************************************************\n");

		exit(0);

	}

	if (n < 1) {

		printf("***********************************************************************************************************************\n");

		printf(" __________________________________________________________________________");

		printf("\n\n Некорректно введены данные!!! \"n\" должно быть больше \"1\" \n");

		printf(" __________________________________________________________________________\n\n");

		printf("***********************************************************************************************************************\n");

		exit(0);

	}

	if (amax < amin) {

		printf("***********************************************************************************************************************\n");

		printf(" __________________________________________________________________________");

		printf("\n\n Некорректно введены данные!!! \"amax\" должно быть больше \"amin\" \n");

		printf(" __________________________________________________________________________\n\n");

		printf("***********************************************************************************************************************\n");

		exit(0);

	}

	if (bmax < bmin) {

		printf("***********************************************************************************************************************\n");

		printf(" __________________________________________________________________________");

		printf("\n\n Некорректно введены данные!!! \"bmax\" должно быть больше \"bmin\" \n");

		printf(" __________________________________________________________________________\n\n");

		printf("***********************************************************************************************************************\n");

		exit(0);

	}

	if (da <= 0) {

		printf("***********************************************************************************************************************\n");

		printf(" __________________________________________________________________________");

		printf("\n\n Некорректно введены данные!!! \"da\" должно быть больше \"0\" \n");

		printf(" __________________________________________________________________________\n\n");

		printf("***********************************************************************************************************************\n");

		exit(0);

	}

	if (db <= 0) {

		printf("***********************************************************************************************************************\n");

		printf(" __________________________________________________________________________");

		printf("\n\n Некорректно введены данные!!! \"db\" должно быть больше \"0\" \n");

		printf(" __________________________________________________________________________\n\n");

		printf("***********************************************************************************************************************\n");

		exit(0);

	}

}

void data_calculation() {

	double a, b, amin, amax, bmin, bmax, da, db, n;

	printf(" Введите amax, amin, bmax, bmin, da, db, n\n");

	printf(" amax=");

	cin >> amax;

	printf(" amin=");

	cin >> amin;

	printf(" bmax=");

	cin >> bmax;

	printf(" bmin=");

	cin >> bmin;

	printf(" da=");

	cin >> da;

	printf(" db=");

	cin >> db;

	printf(" n=");

	cin >> n;

	if (n != round(n) || n < 1 || (amax < amin) || (bmax < bmin) || da <= 0 || db <= 0) {

		ashipka(n, amax, amin, bmax, bmin, da, db);

	}

	else {

		double* y;

		double u = 0;

		y = new double[n + 1];

		printf("***********************************************************************************************************************\n");

		printf(" ______________________________________________________________");

		for (float b = bmin; b <= bmax; b += db)

			for (float a = amin; a <= amax; a += da)

			{

				u = 0;

				for (int i = 1; i <= n; i++) {

					y[i] = functiony(a, b, i);

					u = functionu(y[i], u);

					printf("\n | a=%8.2f | b=%8.2f | i=%2i | y[i]=%8.2f |", a, b, i, y[i]);

				}

				printf("u=%8.4f |\n", u);

				printf(" |____________________________________________________________|");

			}

		printf("\n***********************************************************************************************************************\n");

		delete[] y;

	}

}

int main()

{

	setlocale(LC_CTYPE, "rus");

	data_calculation();

	printf("Хотите продолжить вычисления, если да то напишите \"1\", если нет любую друуою цифру\n");

	int x;

	cin >> x;

	while (x == 1) {

		data_calculation();

		printf("Хотите продолжить вычисления, если да то напишите \"1\", если нет любую друуою цифру\n");

		cin >> x;

	}

	return 0;

}