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# Untitled

Lera_rastaturina Oct 21st, 2019 70 Never
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1. #include "pch.h"
2. #include "Vector2d.h"
3. #include <iostream>
4. #include <cmath>
5. #include <cstring>
6.
7. using namespace std;
8.
9. Vector2d::Vector2d()
10. {
11.     x = 0;
12.     y = 0;
13. }
14.
15. Vector2d::Vector2d(double x, double y)
16. {
17.     this->x = x;
18.     this->y = y;
19. }
20.
21. Vector2d::Vector2d(double x_1, double x_2, double y_1, double y_2)
22. {
23.     this->x = x_1;
24.     this->y = y_1;
25.     this->x = x_2;
26.     this->y = y_2;
27. }
28.
29. Vector2d::Vector2d(const Vector2d & v)
30. {
31.     x = v.x;
32.     y = v.y;
33. }
34.
35. Vector2d Vector2d::operator+(const Vector2d & v) const
36. {
37.     return Vector2d(x + v.x, y + v.y);
38. }
39.
40. Vector2d Vector2d::operator-(const Vector2d & v) const
41. {
42.     return Vector2d(x-v.x, y-v.y);
43. }
44.
45. Vector2d Vector2d::operator*(const Vector2d & v) const
46. {
47.     return Vector2d(x*v.x, y*v.y);
48. }
49.
50. Vector2d& Vector2d::operator++()
51. {
52.     x++;
53.     y++;
54.     return *this;
55. }
56.
57. Vector2d Vector2d::operator++(int)
58. {
59.     Vector2d temp(x, y);
60.     x++;
61.     y++;
62.     return temp;
63. }
64.
65. Vector2d & Vector2d::operator--()
66. {
67.     x--;
68.     y--;
69.     return *this;
70. }
71.
72. Vector2d Vector2d::operator--(int)
73. {
74.     Vector2d temp(x, y);
75.     x--;
76.     y--;
77.     return temp;
78. }
79.
80. const Vector2d & Vector2d::operator+=(const Vector2d &v)
81. {
82.     x += v.x;
83.     y += v.y;
84.     return *this;
85. }
86.
87. const Vector2d & Vector2d::operator-=(const Vector2d &v)
88. {
89.     x -= v.x;
90.     y -= v.y;
91.     return *this;
92. }
93.
94. const Vector2d & Vector2d::operator*=(const Vector2d &v)
95. {
96.     x *= v.x;
97.     y *= v.y;
98.     return *this;
99. }
100.
101. Vector2d::operator string() const
102. {
103.     string s = "(" + to_string(x) + ";" + to_string(y) + ")" ;
104.     return s;
105. }
106.
107. Vector2d operator*(double r, Vector2d & v)
108. {
109.     return r*v;
110. }
111.
112.
113.
114. Vector2d::~Vector2d()
115. {
116.
117. }
118.
119. void Vector2d::print(void)
120. {
121.     std::cout << x << std::endl;
122.     std::cout << y << std::endl;
123. }
124.
125. void Vector2d::sum(Vector2d b)
126. {
127.     x = x + b.x;
128.     y = y + b.y;
129. }
130.
131. void Vector2d::sub(Vector2d b)
132. {
133.     x = x - b.x;
134.     y = y - b.y;
135. }
136.
137. void Vector2d::mult(double b)
138. {
139.     x = x*b;
140.     y = y*b;
141. }
142.
143.
144.
145. double Vector2d::scalarMult(Vector2d V)
146. {
147.     x = V.x*x;
148.     y = V.y*y;
149.     return (x,y);
150. }
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