test/dim_test.cc
author Balazs Dezso <deba@google.com>
Fri, 22 Jan 2021 10:55:32 +0100
changeset 1208 c6aa2cc1af04
parent 253 dbe309b5e855
permissions -rw-r--r--
Factor out recursion from weighted matching algorithms (#638)
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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library.
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 *
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 * Copyright (C) 2003-2009
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided "AS IS" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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#include <lemon/dim2.h>
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#include <iostream>
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#include "test_tools.h"
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using namespace std;
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using namespace lemon;
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int main()
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{
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  typedef dim2::Point<int> Point;
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  Point p;
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  check(p.size()==2, "Wrong dim2::Point initialization.");
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  Point a(1,2);
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  Point b(3,4);
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  check(a[0]==1 && a[1]==2, "Wrong dim2::Point initialization.");
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  p = a+b;
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  check(p.x==4 && p.y==6, "Wrong dim2::Point addition.");
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  p = a-b;
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  check(p.x==-2 && p.y==-2, "Wrong dim2::Point subtraction.");
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  check(a.normSquare()==5,"Wrong dim2::Point norm calculation.");
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  check(a*b==11, "Wrong dim2::Point scalar product.");
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  int l=2;
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  p = a*l;
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  check(p.x==2 && p.y==4, "Wrong dim2::Point multiplication by a scalar.");
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  p = b/l;
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  check(p.x==1 && p.y==2, "Wrong dim2::Point division by a scalar.");
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  typedef dim2::Box<int> Box;
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  Box box1;
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  check(box1.empty(), "Wrong empty() in dim2::Box.");
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  box1.add(a);
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  check(!box1.empty(), "Wrong empty() in dim2::Box.");
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  box1.add(b);
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  check(box1.left()==1 && box1.bottom()==2 &&
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        box1.right()==3 && box1.top()==4,
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        "Wrong addition of points to dim2::Box.");
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  check(box1.inside(Point(2,3)), "Wrong inside() in dim2::Box.");
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  check(box1.inside(Point(1,3)), "Wrong inside() in dim2::Box.");
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  check(!box1.inside(Point(0,3)), "Wrong inside() in dim2::Box.");
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  Box box2(Point(2,2));
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  check(!box2.empty(), "Wrong empty() in dim2::Box.");
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  box2.bottomLeft(Point(2,0));
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  box2.topRight(Point(5,3));
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  Box box3 = box1 & box2;
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  check(!box3.empty() &&
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        box3.left()==2 && box3.bottom()==2 &&
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        box3.right()==3 && box3.top()==3,
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        "Wrong intersection of two dim2::Box objects.");
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  box1.add(box2);
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  check(!box1.empty() &&
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        box1.left()==1 && box1.bottom()==0 &&
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        box1.right()==5 && box1.top()==4,
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        "Wrong addition of two dim2::Box objects.");
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  return 0;
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}