alpar@209: /* -*- mode: C++; indent-tabs-mode: nil; -*- alpar@100: * alpar@209: * This file is a part of LEMON, a generic C++ optimization library. alpar@100: * alpar@463: * Copyright (C) 2003-2009 alpar@100: * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport alpar@100: * (Egervary Research Group on Combinatorial Optimization, EGRES). alpar@100: * alpar@100: * Permission to use, modify and distribute this software is granted alpar@100: * provided that this copyright notice appears in all copies. For alpar@100: * precise terms see the accompanying LICENSE file. alpar@100: * alpar@100: * This software is provided "AS IS" with no warranty of any kind, alpar@100: * express or implied, and with no claim as to its suitability for any alpar@100: * purpose. alpar@100: * alpar@100: */ alpar@100: alpar@100: #include alpar@100: #include alpar@100: #include alpar@100: #include alpar@100: alpar@100: #include alpar@100: #include alpar@100: deba@203: #include alpar@100: deba@203: #include deba@203: #include deba@203: #include alpar@100: alpar@100: #include alpar@100: alpar@100: #include "test_tools.h" alpar@100: alpar@100: using namespace lemon; alpar@100: using namespace lemon::concepts; alpar@100: deba@203: typedef ListDigraph Digraph; deba@203: DIGRAPH_TYPEDEFS(Digraph); deba@203: alpar@209: char test_lgf[] = alpar@209: "@nodes\n" alpar@209: "label\n" alpar@209: "0\n" alpar@209: "1\n" alpar@209: "2\n" alpar@209: "3\n" alpar@209: "4\n" alpar@209: "5\n" alpar@209: "6\n" alpar@209: "7\n" alpar@209: "8\n" alpar@209: "9\n" alpar@209: "@arcs\n" kpeter@212: " label capacity\n" kpeter@212: "0 5 0 94\n" kpeter@212: "3 9 1 11\n" kpeter@212: "8 7 2 83\n" kpeter@212: "1 2 3 94\n" kpeter@212: "5 7 4 35\n" kpeter@212: "7 4 5 84\n" kpeter@212: "9 5 6 38\n" kpeter@212: "0 4 7 96\n" kpeter@212: "6 7 8 6\n" kpeter@212: "3 1 9 27\n" kpeter@212: "5 2 10 77\n" kpeter@212: "5 6 11 69\n" kpeter@212: "6 5 12 41\n" kpeter@212: "4 6 13 70\n" kpeter@212: "3 2 14 45\n" kpeter@212: "7 9 15 93\n" kpeter@212: "5 9 16 50\n" kpeter@212: "9 0 17 94\n" kpeter@212: "9 6 18 67\n" kpeter@212: "0 9 19 86\n" alpar@209: "@attributes\n" deba@203: "source 3\n"; deba@203: deba@203: int test_seq[] = { 2, 28, 19, 27, 33, 25, 13, 41, 10, 26, 1, 9, 4, 34}; deba@203: int test_inc[] = {20, 28, 34, 16, 0, 46, 44, 0, 42, 32, 14, 8, 6, 37}; deba@203: deba@203: int test_len = sizeof(test_seq) / sizeof(test_seq[0]); deba@203: deba@203: template deba@203: void heapSortTest() { deba@203: RangeMap map(test_len, -1); deba@203: deba@203: Heap heap(map); alpar@209: deba@203: std::vector v(test_len); deba@203: deba@203: for (int i = 0; i < test_len; ++i) { deba@203: v[i] = test_seq[i]; deba@203: heap.push(i, v[i]); deba@203: } deba@203: std::sort(v.begin(), v.end()); deba@203: for (int i = 0; i < test_len; ++i) { deba@203: check(v[i] == heap.prio() ,"Wrong order in heap sort."); deba@203: heap.pop(); deba@203: } deba@203: } deba@203: deba@203: template deba@203: void heapIncreaseTest() { deba@203: RangeMap map(test_len, -1); deba@203: deba@203: Heap heap(map); alpar@209: deba@203: std::vector v(test_len); deba@203: deba@203: for (int i = 0; i < test_len; ++i) { deba@203: v[i] = test_seq[i]; deba@203: heap.push(i, v[i]); deba@203: } deba@203: for (int i = 0; i < test_len; ++i) { deba@203: v[i] += test_inc[i]; deba@203: heap.increase(i, v[i]); deba@203: } deba@203: std::sort(v.begin(), v.end()); deba@203: for (int i = 0; i < test_len; ++i) { deba@203: check(v[i] == heap.prio() ,"Wrong order in heap increase test."); deba@203: heap.pop(); deba@203: } deba@203: } deba@203: deba@203: deba@203: deba@203: template alpar@209: void dijkstraHeapTest(const Digraph& digraph, const IntArcMap& length, alpar@209: Node source) { alpar@209: kpeter@257: typename Dijkstra::template SetStandardHeap:: deba@203: Create dijkstra(digraph, length); deba@203: deba@203: dijkstra.run(source); deba@203: deba@203: for(ArcIt a(digraph); a != INVALID; ++a) { alpar@209: Node s = digraph.source(a); deba@203: Node t = digraph.target(a); deba@203: if (dijkstra.reached(s)) { deba@203: check( dijkstra.dist(t) - dijkstra.dist(s) <= length[a], kpeter@212: "Error in a shortest path tree!"); deba@203: } deba@203: } deba@203: deba@203: for(NodeIt n(digraph); n != INVALID; ++n) { deba@203: if ( dijkstra.reached(n) && dijkstra.predArc(n) != INVALID ) { deba@203: Arc a = dijkstra.predArc(n); deba@203: Node s = digraph.source(a); deba@203: check( dijkstra.dist(n) - dijkstra.dist(s) == length[a], alpar@209: "Error in a shortest path tree!"); deba@203: } deba@203: } deba@203: deba@203: } deba@203: alpar@100: int main() { alpar@100: alpar@100: typedef int Item; alpar@100: typedef int Prio; deba@203: typedef RangeMap ItemIntMap; alpar@209: deba@203: Digraph digraph; deba@203: IntArcMap length(digraph); deba@203: Node source; alpar@100: deba@203: std::istringstream input(test_lgf); kpeter@293: digraphReader(digraph, input). deba@203: arcMap("capacity", length). deba@203: node("source", source). alpar@209: run(); alpar@209: alpar@100: { alpar@100: typedef BinHeap IntHeap; alpar@100: checkConcept, IntHeap>(); deba@203: heapSortTest(); deba@203: heapIncreaseTest(); alpar@209: deba@203: typedef BinHeap NodeHeap; deba@203: checkConcept, NodeHeap>(); deba@203: dijkstraHeapTest(digraph, length, source); alpar@100: } alpar@100: alpar@100: return 0; alpar@100: }