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Guest 42 13th Mar, 2023
#include "MatPi.h"
#include <iostream>
#define _USE_MATH_DEFINES
using namespace std;
#pragma once
class MatPi
{
public:
double nLim, kLim, gLim;
MatPi();
MatPi(int long long o, int long long j, int long long k);
void wprowadz_nLim();
void wprowadz_kLim();
void wprowadz_gLim();
void Pi01();
void Pi02();
void Pi03();
~MatPi();
};
#include "MatPi.h"
#include <iostream>
using namespace std;
float nLim, kLim, gLim;
MatPi::MatPi()
{
nLim = 0;
kLim = 0;
gLim = 0;
}
MatPi::MatPi(int long long o, int long long j, int long long k)
{
nLim = o;
kLim = j;
gLim = k;
}
MatPi::~MatPi()
{
//destruktor
}
void MatPi::wprowadz_nLim()
{
double o;
do
{
cout << "Wprowadz licze bo obliczenia ze wzoru Wallisa:\n" << endl;
cin >> o;
} while (o <= 0);
nLim = o;
}
void MatPi::wprowadz_kLim()
{
double j;
do
{
cout << "Wprowadz liczbe do obliczenia ze wzoru Bariley-Borwein-Plouffe:\n" << endl;
cin >> j;
} while (j <= 0);
kLim = j;
}
void MatPi::wprowadz_gLim()
{
double k;
do
{
cout << "Wprowadz liczbe do obliczenia ze wzoru Lebinza:\n" << endl;
cin >> k;
} while (k <= 0);
gLim = k;
}
void MatPi::Pi01()
{
double w = 1, l, m, i = 1;
for (i; i <= nLim; i++)
{
l = (4 * (i * i));
m = (l - 1);
w *= (l / m);
}
cout << "Przyblizona wartosc liczby Pi wedlug wzoru Wallisa:\n" << w * 2 << endl;
}
void MatPi::Pi02()
{
double s = 0, x, y, i = 1;
do
{
x = (1 / (pow(16, i)));
y = ((4 / (8 * i + 1)) - (2 / (8 * i + 4)) - (1 / (8 * i + 5)) - (1 / (8 * i + 6)));
s += (x * y);
i++;
} while (i <= kLim);
cout << "Przyblizona wartosc liczby Pi wedlug wzoru Wallisa:\n" << s << endl;
}
void MatPi::Pi03()
{
int i = 0;
double s = 0; //s = suma
while (i <= gLim)
{
s += ((pow((-1), i)) / ((2 * i) + 1));
i++;
}
cout << "Przyblizona wartosc Pi wedlug wzoru Lebinza:" << "\n" << s * 4 << endl;
}
int main()
{
int d;
MatPi* obj1;
obj1 = new MatPi();
MatPi * obj2;
obj2 = new MatPi();
MatPi * obj3;
obj3 = new MatPi();
(*obj1).wprowadz_nLim();
(*obj2).wprowadz_kLim();
(*obj3).wprowadz_gLim();
blablabla:
cout << "Ktory wynik chcesz wywolac?" <<
"\n" << "1 - Wallisa" << "\n" << "2 - Bailey-Borwein-Plouffe " << "\n" << "3 - Lebinza" << "\n" << "4 - Wszystkie" << "\n" << endl; cin >> d;
switch (d)
{
case 1: (*obj1).Pi01();
break;
case 2: (*obj2).Pi02();
break;
case 3: (*obj3).Pi03();
break;
case 4:
(*obj1).Pi01();
(*obj2).Pi02();
(*obj3).Pi03();
break;
default:
cout << "Nie dokonales wyboru!" << endl;
goto blablabla;
}
(*obj1).~MatPi();
(*obj2).~MatPi();
(*obj3).~MatPi();
system("PAUSE");
}
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