Changeset 100:4f754b4cf82b in lemon for test/test_tools.h
 Timestamp:
 02/07/08 22:37:07 (12 years ago)
 Branch:
 default
 Phase:
 public
 File:

 1 edited
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test/test_tools.h
r39 r100 21 21 22 22 #include <iostream> 23 #include <vector> 24 25 #include <cstdlib> 26 #include <ctime> 27 28 #include <lemon/concept_check.h> 29 #include <lemon/concepts/digraph.h> 30 31 #include <lemon/random.h> 32 33 using namespace lemon; 23 34 24 35 //! \ingroup misc … … 37 48 ///\code check(0==1,"This is obviously false.");\endcode will 38 49 ///print this (and then exits). 39 ///\verbatim graph_test.cc:123: error: This is obviously false. \endverbatim50 ///\verbatim digraph_test.cc:123: error: This is obviously false. \endverbatim 40 51 /// 41 52 ///\todo It should be in \c error.h … … 46 57 } else { } \ 47 58 59 ///Structure returned by \ref addPetersen(). 60 61 ///Structure returned by \ref addPetersen(). 62 /// 63 template<class Digraph> struct PetStruct 64 { 65 ///Vector containing the outer nodes. 66 std::vector<typename Digraph::Node> outer; 67 ///Vector containing the inner nodes. 68 std::vector<typename Digraph::Node> inner; 69 ///Vector containing the arcs of the inner circle. 70 std::vector<typename Digraph::Arc> incir; 71 ///Vector containing the arcs of the outer circle. 72 std::vector<typename Digraph::Arc> outcir; 73 ///Vector containing the chord arcs. 74 std::vector<typename Digraph::Arc> chords; 75 }; 76 77 78 79 ///Adds a Petersen digraph to \c G. 80 81 ///Adds a Petersen digraph to \c G. 82 ///\return The nodes and arcs of the generated digraph. 83 84 template<typename Digraph> 85 PetStruct<Digraph> addPetersen(Digraph &G,int num = 5) 86 { 87 PetStruct<Digraph> n; 88 89 for(int i=0;i<num;i++) { 90 n.outer.push_back(G.addNode()); 91 n.inner.push_back(G.addNode()); 92 } 93 94 for(int i=0;i<num;i++) { 95 n.chords.push_back(G.addArc(n.outer[i],n.inner[i])); 96 n.outcir.push_back(G.addArc(n.outer[i],n.outer[(i+1) % num])); 97 n.incir.push_back(G.addArc(n.inner[i],n.inner[(i+2) % num])); 98 } 99 return n; 100 } 101 102 /// \brief Adds to the digraph the reverse pair of all arcs. 103 /// 104 /// Adds to the digraph the reverse pair of all arcs. 105 /// 106 template<class Digraph> void bidirDigraph(Digraph &G) 107 { 108 typedef typename Digraph::Arc Arc; 109 typedef typename Digraph::ArcIt ArcIt; 110 111 std::vector<Arc> ee; 112 113 for(ArcIt e(G);e!=INVALID;++e) ee.push_back(e); 114 115 for(typename std::vector<Arc>::iterator p=ee.begin();p!=ee.end();p++) 116 G.addArc(G.target(*p),G.source(*p)); 117 } 118 119 120 /// \brief Checks the bidirectioned Petersen digraph. 121 /// 122 /// Checks the bidirectioned Petersen digraph. 123 /// 124 template<class Digraph> void checkBidirPetersen(Digraph &G, int num = 5) 125 { 126 typedef typename Digraph::Node Node; 127 128 typedef typename Digraph::ArcIt ArcIt; 129 typedef typename Digraph::NodeIt NodeIt; 130 131 checkDigraphNodeList(G, 2 * num); 132 checkDigraphArcList(G, 6 * num); 133 134 for(NodeIt n(G);n!=INVALID;++n) { 135 checkDigraphInArcList(G, n, 3); 136 checkDigraphOutArcList(G, n, 3); 137 } 138 } 139 140 ///Structure returned by \ref addUPetersen(). 141 142 ///Structure returned by \ref addUPetersen(). 143 /// 144 template<class Digraph> struct UPetStruct 145 { 146 ///Vector containing the outer nodes. 147 std::vector<typename Digraph::Node> outer; 148 ///Vector containing the inner nodes. 149 std::vector<typename Digraph::Node> inner; 150 ///Vector containing the arcs of the inner circle. 151 std::vector<typename Digraph::Edge> incir; 152 ///Vector containing the arcs of the outer circle. 153 std::vector<typename Digraph::Edge> outcir; 154 ///Vector containing the chord arcs. 155 std::vector<typename Digraph::Edge> chords; 156 }; 157 158 ///Adds a Petersen digraph to the undirected \c G. 159 160 ///Adds a Petersen digraph to the undirected \c G. 161 ///\return The nodes and arcs of the generated digraph. 162 163 template<typename Digraph> 164 UPetStruct<Digraph> addUPetersen(Digraph &G,int num=5) 165 { 166 UPetStruct<Digraph> n; 167 168 for(int i=0;i<num;i++) { 169 n.outer.push_back(G.addNode()); 170 n.inner.push_back(G.addNode()); 171 } 172 173 for(int i=0;i<num;i++) { 174 n.chords.push_back(G.addArc(n.outer[i],n.inner[i])); 175 n.outcir.push_back(G.addArc(n.outer[i],n.outer[(i+1)%5])); 176 n.incir.push_back(G.addArc(n.inner[i],n.inner[(i+2)%5])); 177 } 178 return n; 179 } 180 48 181 #endif
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