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8 #include <ctime> |
8 #include <ctime> |
9 |
9 |
10 #define GETRANDOM(max) (1+(int)((float)max*rand()/RAND_MAX+1.0)) |
10 #define GETRANDOM(max) (1+(int)((float)max*rand()/RAND_MAX+1.0)) |
11 #define MAX 6 |
11 #define MAX 6 |
12 |
12 |
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13 static int refCounter = 0; |
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14 |
13 namespace algebra { |
15 namespace algebra { |
14 class Vector { |
16 class Vector { |
15 private: |
17 private: |
16 int x; |
18 int x; |
17 int y; |
19 int y; |
18 |
20 |
19 public: |
21 public: |
20 Vector (int xx = 0, int yy = 0); |
22 Vector (int xx = 0, int yy = 0); |
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23 Vector (const Vector &); |
21 ~Vector (); |
24 ~Vector (); |
22 |
25 |
23 int X () { return x; }; |
26 int X () { return x; }; |
24 int Y () { return y; }; |
27 int Y () { return y; }; |
25 |
28 |
31 }; |
34 }; |
32 |
35 |
33 Vector::Vector (int xx, int yy) { |
36 Vector::Vector (int xx, int yy) { |
34 x = xx; |
37 x = xx; |
35 y = yy; |
38 y = yy; |
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39 |
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40 refCounter++; |
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41 } |
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42 |
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43 Vector::Vector (const Vector & copy) |
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44 : x (copy.x), y (copy.y) { |
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45 fprintf (stderr, "Warning Copy Constructor\n"); |
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46 refCounter++; |
36 } |
47 } |
37 |
48 |
38 Vector::~Vector () { |
49 Vector::~Vector () { |
39 fprintf (stderr, "Removing Vector (%.3d, %.3d)\n", x, y); |
50 fprintf (stderr, "Removing Vector (%.3d, %.3d)\n", x, y); |
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51 refCounter--; |
40 } |
52 } |
41 |
53 |
42 Vector Vector::operator+ (Vector & v) { |
54 Vector Vector::operator+ (Vector & v) { |
43 return Vector (x + v.X (), y + v.Y ()); |
55 return Vector (x + v.X (), y + v.Y ()); |
44 } |
56 } |
58 |
70 |
59 using namespace algebra; |
71 using namespace algebra; |
60 |
72 |
61 int main (int argc, char **argv) |
73 int main (int argc, char **argv) |
62 { |
74 { |
63 Vector *v[MAX]; |
75 Vector **v; |
64 Vector result; |
76 Vector result; |
65 |
77 |
66 srand (time (NULL)); |
78 srand (time (NULL)); |
67 |
79 |
68 if ((MAX % 2) != 0) { |
80 if ((MAX % 2) != 0) { |
69 printf ("MAX %% 2 != 0\n"); |
81 printf ("MAX %% 2 != 0\n"); |
70 return EXIT_FAILURE; |
82 return EXIT_FAILURE; |
71 } |
83 } |
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84 |
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85 v = new Vector *[MAX]; |
72 |
86 |
73 for (int i = 0; i < MAX; i++) { |
87 for (int i = 0; i < MAX; i++) { |
74 v[i] = new Vector (GETRANDOM (100), GETRANDOM (100)); |
88 v[i] = new Vector (GETRANDOM (100), GETRANDOM (100)); |
75 } |
89 } |
76 |
90 |
94 result = *v[i + 1] - *v[i]; |
108 result = *v[i + 1] - *v[i]; |
95 result.vector (); |
109 result.vector (); |
96 printf (" = %3.2f\n", result.abs ()); |
110 printf (" = %3.2f\n", result.abs ()); |
97 } |
111 } |
98 |
112 |
99 printf ("\nCLEANUP\n"); |
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100 |
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101 for (int i = 0; i < MAX; i++) |
113 for (int i = 0; i < MAX; i++) |
102 delete v[i]; |
114 delete v[i]; |
103 |
115 |
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116 delete [] v; |
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117 |
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118 fprintf (stderr, "Objects remaining on exit: %d\n", refCounter); |
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119 |
104 return EXIT_SUCCESS; |
120 return EXIT_SUCCESS; |
105 } |
121 } |