1/*
2 Copyright(C) 1998
3 All Rights Reserved. Salih Yurttas, ZCubes, BitsOfCode Software Systems, Inc..
4
5 Permission to use, copy, modify, and distribute this
6 software and its documentation for EDUCATIONAL purposes
7 and without fee is hereby granted provided that this
8 copyright notice appears in all copies.
9
10 date : January 1, 1998.
11 author : Salih Yurttas.
12
13 V.cpp
14*/
15
16
17#include "V.h"
18
19V::
20V(const int n,
21 const int v) : size(n),
22 data(new int[n]) {
23 for(int i=0; i<size; ++i)
24 data[i] = v;
25}
26
27V::
28V(const V& a) {
29 size = a.size;
30 data = new int[size];
31
32 for(int i=0; i<size; ++i)
33 data[i] = a.data[i];
34}
35
36V::
37~V() {
38 delete [] data;
39}
40
41V&
42V::
43operator=(const V& a) {
44 if(this==&a) return *this;
45
46 delete [] data;
47
48 size = a.size;
49 data = new int[size];
50
51 for(int i=0; i<size; ++i)
52 data[i] = a.data[i];
53
54 return *this;
55}
56
57int&
58V::
59operator[](const int i) {
60 return data[i];
61}
62
63V&
64operator+(V& a,
65 V& b) {
66 if(a.size!=b.size) {
67 cerr << "not valid!" << endl;
68 exit(1);
69 }
70
71 for(int i=0; i<a.size; ++i)
72 a.data[i] += b.data[i];
73
74 return a;
75}
76
77ostream&
78operator<<(ostream& os,
79 const V& a) {
80 int n = a.size;
81
82 for(int i=0; i<n; ++i)
83 os << a.data[i] << endl;
84 os << endl;
85
86 return os;
87}