COIN-OR::LEMON - Graph Library

source: lemon-0.x/test/xy_test.cc @ 2006:00d59f733817

Last change on this file since 2006:00d59f733817 was 2006:00d59f733817, checked in by Alpar Juttner, 14 years ago

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1/* -*- C++ -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library
4 *
5 * Copyright (C) 2003-2006
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 *
9 * Permission to use, modify and distribute this software is granted
10 * provided that this copyright notice appears in all copies. For
11 * precise terms see the accompanying LICENSE file.
12 *
13 * This software is provided "AS IS" with no warranty of any kind,
14 * express or implied, and with no claim as to its suitability for any
15 * purpose.
16 *
17 */
18
19#include <lemon/xy.h>
20#include <iostream>
21#include "test_tools.h"
22
23using namespace std;
24using namespace lemon;
25int main()
26{
27
28  cout << "Testing classes `xy' and `boundingbox'." << endl;
29
30        typedef xy<int> XY;
31       
32        XY seged;
33        XY a(1,2);
34        XY b(3,4);
35
36        seged = a+b;
37        check(seged.x==4 && seged.y==6, "Wrong vector addition");
38
39        seged = a-b;
40        check(seged.x==-2 && seged.y==-2, "a-b");
41
42        check(a.normSquare()==5,"Wrong norm calculation");
43        check(a*b==11, "a*b");
44
45        int l=2;
46        seged = a*l;
47        check(seged.x==2 && seged.y==4, "a*l");
48
49        seged = b/l;
50        check(seged.x==1 && seged.y==2, "b/l");
51
52        typedef BoundingBox<int> BB;
53        BB doboz1;
54        check(doboz1.empty(), "It should be empty.");
55       
56        doboz1.add(a);
57        check(!doboz1.empty(), "It should not be empty.");
58        doboz1.add(b);
59
60        check(doboz1.bottomLeft().x==1 &&
61              doboz1.bottomLeft().y==2 &&
62              doboz1.topRight().x==3 &&
63              doboz1.topRight().y==4, 
64              "added points to box");
65
66        seged.x=2;seged.y=3;
67        check(doboz1.inside(seged),"It should be inside.");
68
69        seged.x=1;seged.y=3;
70        check(doboz1.inside(seged),"It should be inside.");
71
72        seged.x=0;seged.y=3;
73        check(!doboz1.inside(seged),"It should not be inside.");
74
75        BB doboz2(seged);
76        check(!doboz2.empty(),
77              "It should not be empty. Constructed from 1 point.");
78
79        doboz2.add(doboz1);
80        check(doboz2.inside(seged),
81              "It should be inside. Incremented a box with another one.");
82}
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