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@@ -41,55 +41,32 @@ |
41 | 41 |
template <typename Value> |
42 | 42 |
struct DijkstraDefaultOperationTraits { |
43 | 43 |
/// \brief Gives back the zero value of the type. |
44 | 44 |
static Value zero() { |
45 | 45 |
return static_cast<Value>(0); |
46 | 46 |
} |
47 | 47 |
/// \brief Gives back the sum of the given two elements. |
48 | 48 |
static Value plus(const Value& left, const Value& right) { |
49 | 49 |
return left + right; |
50 | 50 |
} |
51 | 51 |
/// \brief Gives back true only if the first value is less than the second. |
52 | 52 |
static bool less(const Value& left, const Value& right) { |
53 | 53 |
return left < right; |
54 | 54 |
} |
55 | 55 |
}; |
56 | 56 |
|
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/// \brief Widest path operation traits for the Dijkstra algorithm class. |
|
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/// |
|
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/// This operation traits class defines all computational operations and |
|
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/// constants which are used in the Dijkstra algorithm for widest path |
|
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/// computation. |
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/// |
|
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/// \see DijkstraDefaultOperationTraits |
|
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template <typename Value> |
|
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struct DijkstraWidestPathOperationTraits { |
|
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/// \brief Gives back the maximum value of the type. |
|
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static Value zero() { |
|
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return std::numeric_limits<Value>::max(); |
|
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} |
|
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/// \brief Gives back the minimum of the given two elements. |
|
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static Value plus(const Value& left, const Value& right) { |
|
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return std::min(left, right); |
|
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} |
|
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/// \brief Gives back true only if the first value is less than the second. |
|
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static bool less(const Value& left, const Value& right) { |
|
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return left < right; |
|
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} |
|
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}; |
|
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|
|
80 | 57 |
///Default traits class of Dijkstra class. |
81 | 58 |
|
82 | 59 |
///Default traits class of Dijkstra class. |
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///\tparam GR The type of the digraph. |
84 | 61 |
///\tparam LM The type of the length map. |
85 | 62 |
template<class GR, class LM> |
86 | 63 |
struct DijkstraDefaultTraits |
87 | 64 |
{ |
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///The type of the digraph the algorithm runs on. |
89 | 66 |
typedef GR Digraph; |
90 | 67 |
|
91 | 68 |
///The type of the map that stores the arc lengths. |
92 | 69 |
|
93 | 70 |
///The type of the map that stores the arc lengths. |
94 | 71 |
///It must meet the \ref concepts::ReadMap "ReadMap" concept. |
95 | 72 |
typedef LM LengthMap; |
... | ... |
@@ -76,33 +76,33 @@ |
76 | 76 |
dijkstra_test.run(s,t); |
77 | 77 |
|
78 | 78 |
l = dijkstra_test.dist(t); |
79 | 79 |
e = dijkstra_test.predArc(t); |
80 | 80 |
s = dijkstra_test.predNode(t); |
81 | 81 |
b = dijkstra_test.reached(t); |
82 | 82 |
d = dijkstra_test.distMap(); |
83 | 83 |
p = dijkstra_test.predMap(); |
84 | 84 |
pp = dijkstra_test.path(t); |
85 | 85 |
} |
86 | 86 |
{ |
87 | 87 |
DType |
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::SetPredMap<concepts::ReadWriteMap<Node,Arc> > |
89 | 89 |
::SetDistMap<concepts::ReadWriteMap<Node,VType> > |
90 | 90 |
::SetProcessedMap<concepts::WriteMap<Node,bool> > |
91 | 91 |
::SetStandardProcessedMap |
92 |
::SetOperationTraits< |
|
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::SetOperationTraits<DijkstraDefaultOperationTraits<VType> > |
|
93 | 93 |
::SetHeap<BinHeap<VType, concepts::ReadWriteMap<Node,int> > > |
94 | 94 |
::SetStandardHeap<BinHeap<VType, concepts::ReadWriteMap<Node,int> > > |
95 | 95 |
::Create dijkstra_test(G,length); |
96 | 96 |
|
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dijkstra_test.run(s); |
98 | 98 |
dijkstra_test.run(s,t); |
99 | 99 |
|
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l = dijkstra_test.dist(t); |
101 | 101 |
e = dijkstra_test.predArc(t); |
102 | 102 |
s = dijkstra_test.predNode(t); |
103 | 103 |
b = dijkstra_test.reached(t); |
104 | 104 |
pp = dijkstra_test.path(t); |
105 | 105 |
} |
106 | 106 |
|
107 | 107 |
} |
108 | 108 |
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