1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/heap_test.h	Thu Feb 07 21:37:07 2008 +0000
     1.3 @@ -0,0 +1,123 @@
     1.4 +/* -*- C++ -*-
     1.5 + *
     1.6 + * This file is a part of LEMON, a generic C++ optimization library
     1.7 + *
     1.8 + * Copyright (C) 2003-2008
     1.9 + * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
    1.10 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
    1.11 + *
    1.12 + * Permission to use, modify and distribute this software is granted
    1.13 + * provided that this copyright notice appears in all copies. For
    1.14 + * precise terms see the accompanying LICENSE file.
    1.15 + *
    1.16 + * This software is provided "AS IS" with no warranty of any kind,
    1.17 + * express or implied, and with no claim as to its suitability for any
    1.18 + * purpose.
    1.19 + *
    1.20 + */
    1.21 +
    1.22 +#include <vector>
    1.23 +#include <algorithm>
    1.24 +
    1.25 +#include <lemon/dijkstra.h>
    1.26 +
    1.27 +class IntIntMap : public std::vector<int> {
    1.28 +public:
    1.29 +  typedef std::vector<int> Parent;
    1.30 +
    1.31 +  typedef int Key;
    1.32 +  typedef int Value;
    1.33 +
    1.34 +  IntIntMap() : Parent() {}
    1.35 +  IntIntMap(int n) : Parent(n) {}
    1.36 +  IntIntMap(int n, int v) : Parent(n, v) {}
    1.37 +
    1.38 +  void set(int key, int value) {
    1.39 +    Parent::operator[](key) = value;
    1.40 +  }
    1.41 +};
    1.42 +
    1.43 +
    1.44 +template <typename _Heap>
    1.45 +void heapSortTest(int n) {
    1.46 +  typedef _Heap Heap;
    1.47 +  IntIntMap map(n, -1);
    1.48 +
    1.49 +  Heap heap(map);
    1.50 +  
    1.51 +  std::vector<int> v(n);
    1.52 +
    1.53 +  for (int i = 0; i < n; ++i) {
    1.54 +    v[i] = rnd[1000];
    1.55 +    heap.push(i, v[i]);
    1.56 +  }
    1.57 +  std::sort(v.begin(), v.end());
    1.58 +  for (int i = 0; i < n; ++i) {
    1.59 +    check(v[i] == heap.prio() ,"Wrong order in heap sort.");
    1.60 +    heap.pop();
    1.61 +  }
    1.62 +}
    1.63 +
    1.64 +template <typename _Heap>
    1.65 +void heapIncreaseTest(int n) {
    1.66 +  typedef _Heap Heap;
    1.67 +  IntIntMap map(n, -1);
    1.68 +
    1.69 +  Heap heap(map);
    1.70 +  
    1.71 +  std::vector<int> v(n);
    1.72 +
    1.73 +  for (int i = 0; i < n; ++i) {
    1.74 +    v[i] = rnd[1000];
    1.75 +    heap.push(i, v[i]);
    1.76 +  }
    1.77 +  for (int i = 0; i < n; ++i) {
    1.78 +    v[i] += rnd[1000];
    1.79 +    heap.increase(i, v[i]);
    1.80 +  }
    1.81 +  std::sort(v.begin(), v.end());
    1.82 +  for (int i = 0; i < n; ++i) {
    1.83 +    check(v[i] == heap.prio() ,"Wrong order in heap increase test.");
    1.84 +    heap.pop();
    1.85 +  }
    1.86 +}
    1.87 +
    1.88 +
    1.89 +
    1.90 +template <typename _Digraph, typename _LengthMap, typename _Heap>
    1.91 +void dijkstraHeapTest(_Digraph& digraph, _LengthMap& length,
    1.92 +		      typename _Digraph::Node& start) {
    1.93 +
    1.94 +  typedef _Heap Heap;
    1.95 +  typedef _Digraph Digraph;
    1.96 +  typedef _LengthMap LengthMap;
    1.97 +
    1.98 +  typedef typename Digraph::Node Node;
    1.99 +  typedef typename Digraph::Arc Arc;
   1.100 +  typedef typename Digraph::NodeIt NodeIt;
   1.101 +  typedef typename Digraph::ArcIt ArcIt;
   1.102 +
   1.103 +  typename Dijkstra<Digraph, LengthMap>::template DefStandardHeap<Heap>::
   1.104 +    Create dijkstra(digraph, length);
   1.105 +
   1.106 +  dijkstra.run(start);
   1.107 +
   1.108 +  for(ArcIt e(digraph); e!=INVALID; ++e) {
   1.109 +    Node u=digraph.source(e); 
   1.110 +    Node v=digraph.target(e);
   1.111 +    if (dijkstra.reached(u)) {
   1.112 +      check( dijkstra.dist(v) - dijkstra.dist(u) <= length[e],
   1.113 +      	     "Error in a shortest path tree arc!");
   1.114 +    }
   1.115 +  }
   1.116 +
   1.117 +  for(NodeIt v(digraph); v!=INVALID; ++v) {
   1.118 +    if ( dijkstra.reached(v) && dijkstra.predArc(v) != INVALID ) {
   1.119 +      Arc e=dijkstra.predArc(v);
   1.120 +      Node u=digraph.source(e);
   1.121 +      check( dijkstra.dist(v) - dijkstra .dist(u) == length[e],
   1.122 +	     "Error in a shortest path tree arc!");
   1.123 +    }
   1.124 +  }
   1.125 +
   1.126 +}