Calculator/Fraction.cpp at master · InnetaSh/Calculator · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
#include "Fraction.h"
using namespace Drib;

int Fraction::NCD(int num, int den) const
{
	if (num == 0) return 1;
	while (num != 0 && den != 0)
	{
		if (abs(num) > abs(den)) num = abs(num) % abs(den);
		else
			den = abs(den) % abs(num);
	}
	return abs(den + num);

}

void Drib::Fraction::Set_numerator(int n)
{
	this->numerator = n;
}

void Drib::Fraction::Set_denominator(int d)
{
	this->denominator = d;
}

int Drib::Fraction::Get_numerator()
{
	return this->numerator;
}

int Drib::Fraction::Get_denominator()
{
	return this->denominator;;
}

void Drib::Fraction::Vvod()
{
	int n;
	std::cout << "Vvedit chiselnuk:\t";
	std::cin >> n;
	std::cin.ignore();
	Set_numerator(n);
	int d;
	std::cout << "Vvedit znamennuk:\t";
	std::cin >> d;
	if (d == 0)
	{
		std::cout << "znamennuk ne = 0.Vvedit znamennuk:\t";
		std::cin >> d;
	}
	std::cin.ignore();
	Set_denominator(d);
}

void Drib::Fraction::print()
{
	std::cout << numerator << "/" << denominator << std::endl;
}

Fraction Drib::Fraction::operator+(const Fraction& drib_obj)
{
	Fraction tmp;
	int num = this->numerator * drib_obj.denominator + drib_obj.numerator * this->denominator;
	int den = this->denominator * drib_obj.denominator;
	int nsd = NCD(num, den);
	if (nsd > 0)
	{
		num /= nsd;
		den /= nsd;
	}
	tmp.numerator = num;
	tmp.denominator = den;

	return tmp;
}

Drib::Fraction Drib::Fraction::operator-(const Fraction& drib_obj)
{
	Fraction tmp;
	int num = this->numerator * drib_obj.denominator - drib_obj.numerator * this->denominator;
	int den = this->denominator * drib_obj.denominator;
	int nsd = NCD(num, den);
	if (nsd > 0)
	{
		num /= nsd;
		den /= nsd;
	}
	tmp.numerator = num;
	tmp.denominator = den;

	return tmp;
}

Drib::Fraction Drib::Fraction::operator*(const Fraction& drib_obj)
{
	Fraction tmp;
	int num = this->numerator * drib_obj.numerator;
	int den = this->denominator * drib_obj.denominator;
	int nsd = NCD(num, den);
	if (nsd > 0)
	{
		num /= nsd;
		den /= nsd;
	}
	tmp.numerator = num;
	tmp.denominator = den;

	return tmp;
}

Drib::Fraction Drib::Fraction::operator/(const Fraction& drib_obj)
{
	Fraction tmp;
	if (drib_obj.numerator != 0)
	{
		int num = this->numerator * drib_obj.denominator;
		int den = this->denominator * drib_obj.numerator;
		int nsd = NCD(num, den);
		if (nsd > 0)
		{
			num /= nsd;
			den /= nsd;
		}
		tmp.numerator = num;
		tmp.denominator = den;
	}
	else
	{
		tmp.numerator = this->numerator;
		tmp.denominator = this->denominator;
		std::cout << "(Dilutu na 0 nemojna.)";
	}
	return tmp;
}