lemon-0.x: test/unionfind_test.cc@f9113440b667

     1 /* -*- C++ -*-

     2  * test/unionfind_test.cc - Part of LEMON, a generic C++ optimization library

     3  *

     4  * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

     5  * (Egervary Research Group on Combinatorial Optimization, EGRES).

     6  *

     7  * Permission to use, modify and distribute this software is granted

     8  * provided that this copyright notice appears in all copies. For

     9  * precise terms see the accompanying LICENSE file.

    10  *

    11  * This software is provided "AS IS" with no warranty of any kind,

    12  * express or implied, and with no claim as to its suitability for any

    13  * purpose.

    14  *

    15  */

    17 #include <iostream>

    19 #include <lemon/maps.h>

    20 #include <lemon/unionfind.h>

    21 #include "test_tools.h"

    23 using namespace lemon;

    24 using namespace std;

    26 template <typename T>

    27 class BaseMap : public StdMap<int,T> {};

    29 typedef UnionFindEnum<int, BaseMap> UFE;

    31 void print(UFE const &ufe) {

    32   UFE::ClassIt cit;

    33   cout << "Print the classes of the structure:" << endl;

    34   int i = 1;

    35   for (ufe.first(cit); ufe.valid(cit); ufe.next(cit)) {

    36     cout << "  " << i << " (" << cit << "):" << flush;

    37     UFE::ItemIt iit;

    38     for (ufe.first(iit, cit); ufe.valid(iit); ufe.next(iit)) {

    39       cout << " " << iit << flush;

    40     }

    41     cout << endl;

    42     i++;

    43   }

    44   cout << "done" << endl;

    45 }

    48 int main() {

    49   UFE::MapType base;

    50   UFE U(base);

    52 //   print(U);

    54   cout << "Insert 1..." << endl;

    55   U.insert(1);

    56 //   print(U);

    58   cout << "Insert 2..." << endl;

    59   U.insert(2);

    60 //   print(U);

    62   cout << "Join 1 and 2..." << endl;

    63   check(U.join(1,2),"Test failed.");

    64 //   print(U);

    66   cout << "Insert 3, 4, 5, 6, 7..." << endl;

    67   U.insert(3);

    68   U.insert(4);

    69   U.insert(5);

    70   U.insert(6);

    71   U.insert(7);

    72 //   print (U);

    74   cout << "Join 1 - 4, 2 - 4 and 3 - 5 ..." << endl;

    75   check(U.join(1,4),"Test failed.");

    76   check(!U.join(2,4),"Test failed.");

    77   check(U.join(3,5),"Test failed.");

    78 //   print(U);

    80   cout << "Insert 8 to the component of 5 ..." << endl;

    81   U.insert(8,5);

    82 //   print(U);

    84   cout << "Size of the class of 4: " << U.size(4) << endl;

    85   check(U.size(4) == 3,"Test failed.");

    86   cout << "Size of the class of 5: " << U.size(5) << endl;

    87   check(U.size(5) == 3,"Test failed.");

    88   cout << "Size of the class of 6: " << U.size(6) << endl;

    89   check(U.size(6) == 1,"Test failed.");

    90   cout << "Size of the class of 2: " << U.size(2) << endl;

    91   check(U.size(2) == 3,"Test failed.");

    93   cout << "Insert 9 ..." << endl;

    94   U.insert(9);

    95 //   print(U);

    96   cout << "Insert 10 to the component of 9 ..." << endl;

    97   U.insert(10,9);

    98 //   print(U);

   100   cout << "Join 8 and 10..." << endl;

   101   check(U.join(8,10),"Test failed.");

   102 //   print(U);

   104   cout << "Move 9 to the class of 4 ..." << endl;

   105   check(U.move(9,4),"Test failed.");

   106 //   print(U);

   108   cout << "Move 9 to the class of 2 ..." << endl;

   109   check(!U.move(9,2),"Test failed.");

   110 //   print(U);

   112   cout << "Size of the class of 4: " << U.size(4) << endl;

   113   check(U.size(4) == 4,"Test failed.");

   114   cout << "Size of the class of 9: " << U.size(9) << endl;

   115   check(U.size(9) == 4,"Test failed.");

   117   cout << "Move 5 to the class of 6 ..." << endl;

   118   check(U.move(5,6),"Test failed.");

   119 //   print(U);

   121   cout << "Size of the class of 5: " << U.size(5) << endl;

   122   check(U.size(5) == 2,"Test failed.");

   123   cout << "Size of the class of 8: " << U.size(8) << endl;

   124   check(U.size(8) == 3,"Test failed.");

   126   cout << "Move 7 to the class of 10 ..." << endl;

   127   check(U.move(7,10),"Test failed.");

   128 //   print(U);

   130   cout << "Size of the class of 7: " << U.size(7) << endl;

   131   check(U.size(7) == 4,"Test failed.");

   133   cout <<"Erase 9... " << endl;

   134   U.erase(9);

   135 //   print(U);

   137   cout <<"Erase 1... " << endl;

   138   U.erase(1);

   139 //   print(U);

   141   cout << "Size of the class of 4: " << U.size(4) << endl;

   142   check(U.size(4) == 2,"Test failed.");

   143   cout << "Size of the class of 2: " << U.size(2) << endl;

   144   check(U.size(2) == 2,"Test failed.");

   147   cout <<"Erase 1... " << endl;

   148   U.erase(1);

   149 //   print(U);

   151   cout <<"Erase 6... " << endl;

   152   U.erase(6);

   153 //   print(U);

   155   cout << "Split the class of 8... " << endl;

   156   U.split(8);

   157 //   print(U);

   160   cout << "Size of the class of 4: " << U.size(4) << endl;

   161   check(U.size(4) == 2,"Test failed.");

   162   cout << "Size of the class of 3: " << U.size(3) << endl;

   163   check(U.size(3) == 1,"Test failed.");

   164   cout << "Size of the class of 2: " << U.size(2) << endl;

   165   check(U.size(2) == 2,"Test failed.");

   168   cout << "Join 3 - 4 and 2 - 4 ..." << endl;

   169   check(U.join(3,4),"Test failed.");

   170   check(!U.join(2,4),"Test failed.");

   171 //   print(U);

   174   cout << "Size of the class of 4: " << U.size(4) << endl;

   175   check(U.size(4) == 3,"Test failed.");

   176   cout << "Size of the class of 3: " << U.size(3) << endl;

   177   check(U.size(3) == 3,"Test failed.");

   178   cout << "Size of the class of 2: " << U.size(2) << endl;

   179   check(U.size(2) == 3,"Test failed.");

   181   cout << "Calling makeRep(4)..." << endl;

   182   U.makeRep(4);

   183 //   print(U);

   184   cout << "Calling makeRep(3)..." << endl;

   185   U.makeRep(3);

   186 //   print(U);

   187   cout << "Calling makeRep(2)..." << endl;

   188   U.makeRep(2);

   189 //   print(U);

   191   cout << "Size of the class of 4: " << U.size(4) << endl;

   192   check(U.size(4) == 3,"Test failed.");

   193   cout << "Size of the class of 3: " << U.size(3) << endl;

   194   check(U.size(3) == 3,"Test failed.");

   195   cout << "Size of the class of 2: " << U.size(2) << endl;

   196   check(U.size(2) == 3,"Test failed.");

   199   cout << "eraseClass 4 ..." << endl;

   200   U.eraseClass(4);

   201 //   print(U);

   203   cout << "eraseClass 7 ..." << endl;

   204   U.eraseClass(7);

   205 //   print(U);

   207   cout << "done." << endl;

   208 }

author	hegyi
	Thu, 23 Jun 2005 17:56:24 +0000
changeset 1509	f9113440b667
parent 1359	1581f961cfaa
child 1569	2a455f46f85a
permissions	-rw-r--r--