[Lemon-commits] [lemon_svn] marci: r1293 - hugo/trunk/src/work/marci
Lemon SVN
svn at lemon.cs.elte.hu
Mon Nov 6 20:44:25 CET 2006
Author: marci
Date: Sat Oct 16 02:20:13 2004
New Revision: 1293
Added:
hugo/trunk/src/work/marci/bfs_mm.h
- copied, changed from r1290, /hugo/trunk/src/work/marci/bfs_dfs.h
hugo/trunk/src/work/marci/bfs_mm_test.cc
- copied, changed from r1290, /hugo/trunk/src/test/bfs_test.cc
Modified:
hugo/trunk/src/work/marci/augmenting_flow.h
hugo/trunk/src/work/marci/bfsit_vs_byhand.cc
hugo/trunk/src/work/marci/makefile
Log:
It's time to design an iterable generic bfs
Modified: hugo/trunk/src/work/marci/augmenting_flow.h
==============================================================================
--- hugo/trunk/src/work/marci/augmenting_flow.h (original)
+++ hugo/trunk/src/work/marci/augmenting_flow.h Sat Oct 16 02:20:13 2004
@@ -6,16 +6,19 @@
#include <iostream>
#include <lemon/graph_wrapper.h>
-#include <bfs_dfs.h>
+//#include <bfs_dfs.h>
+#include <bfs_mm.h>
#include <lemon/invalid.h>
#include <lemon/maps.h>
-#include <lemon/tight_edge_filter_map.h>
+#include <demo/tight_edge_filter_map.h>
/// \file
/// \brief Maximum flow algorithms.
/// \ingroup galgs
namespace lemon {
+ using lemon::marci::BfsIterator;
+ using lemon::marci::DfsIterator;
/// \addtogroup galgs
/// @{
@@ -109,6 +112,8 @@
IntMap* map;
int* number_of_augmentations;
public:
+ typedef Node KeyType;
+ typedef bool ValueType;
TrickyReachedMap(IntMap& _map, int& _number_of_augmentations) :
map(&_map), number_of_augmentations(&_number_of_augmentations) { }
void set(const Node& n, bool b) {
Copied: hugo/trunk/src/work/marci/bfs_mm.h (from r1290, /hugo/trunk/src/work/marci/bfs_dfs.h)
==============================================================================
--- /hugo/trunk/src/work/marci/bfs_dfs.h (original)
+++ hugo/trunk/src/work/marci/bfs_mm.h Sat Oct 16 02:20:13 2004
@@ -17,56 +17,64 @@
#include <lemon/invalid.h>
namespace lemon {
+ namespace marci {
/// Bfs searches for the nodes wich are not marked in
/// \c reached_map
- /// Reached have to be a read-write bool node-map.
+ /// RM have to be a read-write bool node-map.
/// \ingroup galgs
template <typename Graph, /*typename OutEdgeIt,*/
- typename ReachedMap/*=typename Graph::NodeMap<bool>*/ >
+ typename RM/*=typename Graph::NodeMap<bool>*/ >
class BfsIterator {
+ public:
+ typedef RM ReachedMap;
protected:
typedef typename Graph::Node Node;
typedef typename Graph::Edge Edge;
typedef typename Graph::OutEdgeIt OutEdgeIt;
const Graph* graph;
std::queue<Node> bfs_queue;
- ReachedMap& reached;
+ ReachedMap* reached_map;
bool b_node_newly_reached;
+ //OutEdgeIt actual_edge;
Edge actual_edge;
- bool own_reached_map;
+ /// \e
+ BfsIterator(const Graph& _graph) : graph(&_graph), reached_map(0) { }
+ /// RM have to be set before any bfs operation.
+ BfsIterator<Graph, RM>& setReached(RM& _reached_map) {
+ reached_map=&_reached_map;
+ }
public:
- /// In that constructor \c _reached have to be a reference
+ /// In that constructor \c _reached_map have to be a reference
/// for a bool bode-map. The algorithm will search for the
/// initially \c false nodes
/// in a bfs order.
- BfsIterator(const Graph& _graph, ReachedMap& _reached) :
- graph(&_graph), reached(_reached),
- own_reached_map(false) { }
+ BfsIterator(const Graph& _graph, ReachedMap& _reached_map) :
+ graph(&_graph), reached_map(&_reached_map) { }
/// The same as above, but the map storing the reached nodes
/// is constructed dynamically to everywhere false.
/// \deprecated
- BfsIterator(const Graph& _graph) :
- graph(&_graph), reached(*(new ReachedMap(*graph /*, false*/))),
- own_reached_map(true) { }
- /// The map storing the reached nodes have to be destroyed if
- /// it was constructed dynamically
- ~BfsIterator() { if (own_reached_map) delete &reached; }
+// BfsIterator(const Graph& _graph) :
+// graph(&_graph), reached_map(new ReachedMap(*graph /*, false*/)),
+// own_reached_map(true) { }
+// /// The map storing the reached nodes have to be destroyed if
+// /// it was constructed dynamically
+// ~BfsIterator() { if (own_reached_map) delete reached_map; }
/// This method markes \c s reached.
/// If the queue is empty, then \c s is pushed in the bfs queue
/// and the first out-edge is processed.
/// If the queue is not empty, then \c s is simply pushed.
BfsIterator<Graph, /*OutEdgeIt,*/ ReachedMap>& pushAndSetReached(Node s) {
- reached.set(s, true);
+ reached_map->set(s, true);
if (bfs_queue.empty()) {
bfs_queue.push(s);
actual_edge=OutEdgeIt(*graph, s);
//graph->first(actual_edge, s);
if (actual_edge!=INVALID) {
Node w=graph->head(actual_edge);
- if (!reached[w]) {
+ if (!(*reached_map)[w]) {
bfs_queue.push(w);
- reached.set(w, true);
+ reached_map->set(w, true);
b_node_newly_reached=true;
} else {
b_node_newly_reached=false;
@@ -86,9 +94,9 @@
//++actual_edge;
if (actual_edge!=INVALID) {
Node w=graph->head(actual_edge);
- if (!reached[w]) {
+ if (!(*reached_map)[w]) {
bfs_queue.push(w);
- reached.set(w, true);
+ reached_map->set(w, true);
b_node_newly_reached=true;
} else {
b_node_newly_reached=false;
@@ -101,9 +109,9 @@
//graph->first(actual_edge, bfs_queue.front());
if (actual_edge!=INVALID) {
Node w=graph->head(actual_edge);
- if (!reached[w]) {
+ if (!(*reached_map)[w]) {
bfs_queue.push(w);
- reached.set(w, true);
+ reached_map->set(w, true);
b_node_newly_reached=true;
} else {
b_node_newly_reached=false;
@@ -129,7 +137,12 @@
Node head() const { return graph->head(actual_edge); }
/// Guess what?
/// \deprecated
- const ReachedMap& getReachedMap() const { return reached; }
+ const ReachedMap& reachedMap() const { return *reached_map; }
+ /// Guess what?
+ /// \deprecated
+ typename ReachedMap::ValueType reached(const Node& n) const {
+ return (*reached_map)[n];
+ }
/// Guess what?
/// \deprecated
const std::queue<Node>& getBfsQueue() const { return bfs_queue; }
@@ -137,68 +150,266 @@
/// Bfs searches for the nodes wich are not marked in
/// \c reached_map
- /// Reached have to work as a read-write bool Node-map,
- /// Pred is a write edge node-map and
- /// Dist is a read-write node-map of integral value, have to be.
+ /// RM have to work as a read-write bool Node-map,
+ /// PM is a write edge node-map and
+ /// PNM is a write node node-map and
+ /// DM is a read-write node-map of integral value, have to be.
/// \ingroup galgs
template <typename Graph,
- typename ReachedMap=typename Graph::template NodeMap<bool>,
- typename PredMap
+ typename RM=typename Graph::template NodeMap<bool>,
+ typename PM
=typename Graph::template NodeMap<typename Graph::Edge>,
- typename DistMap=typename Graph::template NodeMap<int> >
- class Bfs : public BfsIterator<Graph, ReachedMap> {
- typedef BfsIterator<Graph, ReachedMap> Parent;
+ typename PNM
+ =typename Graph::template NodeMap<typename Graph::Node>,
+ typename DM=typename Graph::template NodeMap<int> >
+ class Bfs : public BfsIterator<Graph, RM> {
+ typedef BfsIterator<Graph, RM> Parent;
+ public:
+ typedef RM ReachedMap;
+ typedef PM PredMap;
+ typedef PNM PredNodeMap;
+ typedef DM DistMap;
protected:
typedef typename Parent::Node Node;
- PredMap& pred;
- DistMap& dist;
+ PredMap* pred_map;
+ PredNodeMap* pred_node_map;
+ DistMap* dist_map;
+ /// \e
+ Bfs<Graph, RM, PM, PNM, DM>
+ (const Graph& _graph) : BfsIterator<Graph, RM>(_graph) { }
+ /// PM have to be set before any bfs operation.
+ Bfs<Graph, RM, PM, PNM, DM>&
+ setPredMap(PredMap& _pred_map) {
+ pred_map=&_pred_map;
+ }
+ /// PredNodeMap have to be set before any bfs operation.
+ Bfs<Graph, RM, PM, PNM, DM>&
+ setPredNodeMap(PredNodeMap& _pred_node_map) {
+ pred_node_map=&_pred_node_map;
+ }
+ /// DistMap have to be set before any bfs operation.
+ Bfs<Graph, RM, PM, PNM, DM>&
+ setDistMap(DistMap& _dist_map) {
+ dist_map=&_dist_map;
+ }
public:
/// The algorithm will search in a bfs order for
/// the nodes which are \c false initially.
/// The constructor makes no initial changes on the maps.
- Bfs<Graph, ReachedMap, PredMap, DistMap>(const Graph& _graph, ReachedMap& _reached, PredMap& _pred, DistMap& _dist) :
- BfsIterator<Graph, ReachedMap>(_graph, _reached),
- pred(_pred), dist(_dist) { }
+ Bfs<Graph, RM, PM, PNM, DM>
+ (const Graph& _graph, ReachedMap& _reached_map,
+ PredMap& _pred_map, PredNodeMap& _pred_node_map,
+ DistMap& _dist_map) : BfsIterator<Graph, RM>(_graph, _reached_map),
+ pred_map(&_pred_map), pred_node_map(&_pred_node_map),
+ dist_map(&_dist_map) { }
/// \c s is marked to be reached and pushed in the bfs queue.
/// If the queue is empty, then the first out-edge is processed.
/// If \c s was not marked previously, then
- /// in addition its pred is set to be \c INVALID, and dist to \c 0.
+ /// in addition its pred_map is set to be \c INVALID,
+ /// and dist_map to \c 0.
/// if \c s was marked previuosly, then it is simply pushed.
- Bfs<Graph, ReachedMap, PredMap, DistMap>& push(Node s) {
- if (this->reached[s]) {
+ Bfs<Graph, RM, PM, PNM, DM>& push(Node s) {
+ if ((*(this->reached_map))[s]) {
Parent::pushAndSetReached(s);
} else {
Parent::pushAndSetReached(s);
- pred.set(s, INVALID);
- dist.set(s, 0);
+ pred_map->set(s, INVALID);
+ pred_node_map->set(s, INVALID);
+ dist_map->set(s, 0);
}
return *this;
}
/// A bfs is processed from \c s.
- Bfs<Graph, ReachedMap, PredMap, DistMap>& run(Node s) {
+ Bfs<Graph, RM, PM, PNM, DM>& run(Node s) {
push(s);
while (!this->finished()) this->operator++();
return *this;
}
- /// Beside the bfs iteration, \c pred and \dist are saved in a
+ /// Beside the bfs iteration, \c pred_map and \dist_map are saved in a
/// newly reached node.
- Bfs<Graph, ReachedMap, PredMap, DistMap>& operator++() {
+ Bfs<Graph, RM, PM, PNM, DM>& operator++() {
Parent::operator++();
- if (this->graph->valid(this->actual_edge) && this->b_node_newly_reached)
+ if ((this->actual_edge)!=INVALID && this->b_node_newly_reached)
{
- pred.set(this->head(), this->actual_edge);
- dist.set(this->head(), dist[this->tail()]);
+ pred_map->set(this->head(), this->actual_edge);
+ pred_node_map->set(this->head(), this->tail());
+ dist_map->set(this->head(), (*dist_map)[this->tail()]);
}
return *this;
}
/// Guess what?
/// \deprecated
- const PredMap& getPredMap() const { return pred; }
+ const PredMap& predMap() const { return *pred_map; }
+ /// Guess what?
+ /// \deprecated
+ typename PredMap::ValueType pred(const Node& n) const {
+ return (*pred_map)[n];
+ }
+ /// Guess what?
+ /// \deprecated
+ const PredNodeMap& predNodeMap() const { return *pred_node_map; }
+ /// Guess what?
+ /// \deprecated
+ typename PredNodeMap::ValueType predNode(const Node& n) const {
+ return (*pred_node_map)[n];
+ }
/// Guess what?
/// \deprecated
- const DistMap& getDistMap() const { return dist; }
+ const DistMap& distMap() const { return *dist_map; }
+ /// Guess what?
+ /// \deprecated
+ typename DistMap::ValueType dist(const Node& n) const {
+ return (*dist_map)[n];
+ }
};
+// template <typename Graph,
+// typename RM=typename Graph::template NodeMap<bool>,
+// typename PM
+// =typename Graph::template NodeMap<typename Graph::Edge>,
+// typename PredNodeMap
+// =typename Graph::template NodeMap<typename Graph::Node>,
+// typename DistMap=typename Graph::template NodeMap<int> >
+// class BfsWizard : public Bfs<Graph> {
+// public:
+// typedef Bfs<Graph, PM, PredNodeMap, DistMap> Parent;
+// protected:
+// typedef typename Parent::Node Node;
+// bool own_reached_map;
+// bool own_pred_map;
+// bool own_pred_node_map;
+// bool own_dist_map;
+
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// makeRreached() {
+// own_reached_map=true;
+// reached=new ReachedMap(*graph, false);
+// }
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// deleteReachedMap() {
+// own_reached_map=false;
+// delete reached;
+// }
+
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// makePM() {
+// own_pred_map=true;
+// pred_map=new PM(*graph, INVALID);
+// }
+// BfsWizard<Graph, ReachedMap, PM, PredNodeMap, DistMap>&
+// deletePM() {
+// own_pred_map=false;
+// delete pred_map;
+// }
+
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// makePredNodeMap() {
+// own_pred_node_map=true;
+// pred_node_map=new PredNodeMap(*graph, INVALID);
+// }
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// deletePredNodeMap() {
+// own_pred_node_map=false;
+// delete pred_node_map;
+// }
+
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// makeDistMap() {
+// own_dist_map=true;
+// dist_map=new DistMap(*graph, 0);
+// }
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// deleteDistMap() {
+// own_dist_map=false;
+// delete dist_map;
+// }
+
+// public:
+// /// User friendly Bfs class.
+// /// The maps which are not explicitly given by the user are
+// /// constructed with false, INVALID, INVALID and 0 values.
+// /// For the user defined maps, the values are not modified, and
+// /// the bfs is processed without any preset on maps. Therefore,
+// /// the bfs will search only the nodes which are set false previously
+// /// in reached, and in the nodes wich are not newly reached by the
+// /// search, the map values are not modified.
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>
+// (const Graph& _graph) :
+// own_reached_map(false),
+// own_pred_map(false),
+// own_pred_node_map(false),
+// own_dist_map(false) {
+// }
+
+// /// \e
+// ~BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>() {
+// if (own_reached_map) deleteReachedMap();
+// if (own_pred_map) deletePM();
+// if (own_pred_node_map) deletePredNodeMap();
+// if (own_dist_map) deleteDistMap();
+// }
+
+// /// \e
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// setReachedMap(ReachedMap& _reached) {
+// if (own_reached_map) deleteReachedMap();
+// Parent::setReachedMap(_reached);
+// }
+// /// \e
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// setPM(PM& _pred) {
+// if (own_pred_map) deletePM();
+// Parent::setPM(_pred);
+// }
+// /// \e
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// setPredNodeMap(PredNodeMap& _pred_node) {
+// if (own_pred_node_map) deletePredNodeMap();
+// Parent::setPredNodeMap(_pred_node);
+// }
+// /// \e
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// setDistMap(DistMap& _dist) {
+// if (own_dist_map) deleteDistMap();
+// Parent::setDistMap(_dist);
+// }
+
+// /// \e
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// push(Node s) {
+// if (!reached) makeReachedMap();
+// if (!pred_map) makePMMap();
+// if (!pred_node_map) makePredNodeMap();
+// if (!dist_map) makeDistMap();
+// push(s);
+// return *this;
+// }
+
+// /// \e
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// operator++() {
+// if (!reached) makeRM();
+// if (!pred_map) makePMMap();
+// if (!pred_node_map) makePredNodeMap();
+// if (!dist_map) makeDistMap();
+// ++(*this);
+// return *this;
+// }
+
+// /// \e
+// BfsWizard<Graph, RM, PM, PredNodeMap, DistMap>&
+// run(Node s) {
+// if (!reached) makeRM();
+// if (!pred_map) makePMMap();
+// if (!pred_node_map) makePredNodeMap();
+// if (!dist_map) makeDistMap();
+// run(s);
+// return *this;
+// }
+
+// };
+
+
/// Dfs searches for the nodes wich are not marked in
/// \c reached_map
/// Reached have to be a read-write bool Node-map.
@@ -342,7 +553,7 @@
const PredMap& getPredMap() const { return pred; }
};
-
+ } // namespace marci
} // namespace lemon
#endif //LEMON_BFS_DFS_H
Copied: hugo/trunk/src/work/marci/bfs_mm_test.cc (from r1290, /hugo/trunk/src/test/bfs_test.cc)
==============================================================================
--- /hugo/trunk/src/test/bfs_test.cc (original)
+++ hugo/trunk/src/work/marci/bfs_mm_test.cc Sat Oct 16 02:20:13 2004
@@ -14,10 +14,10 @@
*
*/
-#include "test_tools.h"
+#include <test/test_tools.h>
#include <lemon/smart_graph.h>
-#include <lemon/bfs.h>
-#include<lemon/skeletons/graph.h>
+#include <bfs_mm.h>
+#include <lemon/skeletons/graph.h>
using namespace lemon;
@@ -33,7 +33,7 @@
typedef Graph::EdgeIt EdgeIt;
typedef Graph::NodeIt NodeIt;
- typedef Bfs<Graph> BType;
+ typedef marci::Bfs<Graph> BType;
Graph G;
Node n;
@@ -43,8 +43,12 @@
BType::DistMap d(G);
BType::PredMap p(G);
BType::PredNodeMap pn(G);
-
- BType bfs_test(G);
+
+ Graph::NodeMap<bool> reached(G);
+ Graph::NodeMap<Edge> pred(G);
+ Graph::NodeMap<Node> pred_node(G);
+ Graph::NodeMap<int> dist(G);
+ BType bfs_test(G, reached, pred, pred_node, dist);
bfs_test.run(n);
@@ -76,31 +80,35 @@
s=ps.outer[2];
t=ps.inner[0];
- Bfs<Graph> bfs_test(G);
+ Graph::NodeMap<bool> reached(G);
+ Graph::NodeMap<Edge> pred(G);
+ Graph::NodeMap<Node> pred_node(G);
+ Graph::NodeMap<int> dist(G);
+ marci::Bfs<Graph> bfs_test(G, reached, pred, pred_node, dist);
bfs_test.run(s);
- check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t));
+// check(bfs_test.dist(t)==3,"Bfs found a wrong path. " << bfs_test.dist(t));
- for(EdgeIt e(G); e==INVALID; ++e) {
- Node u=G.tail(e);
- Node v=G.head(e);
- check( !bfs_test.reached(u) ||
- (bfs_test.dist(v) > bfs_test.dist(u)+1),
- "Wrong output.");
- }
-
- for(NodeIt v(G); v==INVALID; ++v) {
- check(bfs_test.reached(v),"Each node should be reached.");
- if ( bfs_test.pred(v)!=INVALID ) {
- Edge e=bfs_test.pred(v);
- Node u=G.tail(e);
- check(u==bfs_test.predNode(v),"Wrong tree.");
- check(bfs_test.dist(v) - bfs_test.dist(u) == 1,
- "Wrong distance. Difference: "
- << std::abs(bfs_test.dist(v) - bfs_test.dist(u)
- - 1));
- }
- }
+// for(EdgeIt e(G); e==INVALID; ++e) {
+// Node u=G.tail(e);
+// Node v=G.head(e);
+// check( !bfs_test.reached(u) ||
+// (bfs_test.dist(v) > bfs_test.dist(u)+1),
+// "Wrong output.");
+// }
+
+// for(NodeIt v(G); v==INVALID; ++v) {
+// check(bfs_test.reached(v),"Each node should be reached.");
+// if ( bfs_test.pred(v)!=INVALID ) {
+// Edge e=bfs_test.pred(v);
+// Node u=G.tail(e);
+// check(u==bfs_test.predNode(v),"Wrong tree.");
+// check(bfs_test.dist(v) - bfs_test.dist(u) == 1,
+// "Wrong distance. Difference: "
+// << std::abs(bfs_test.dist(v) - bfs_test.dist(u)
+// - 1));
+// }
+// }
}
Modified: hugo/trunk/src/work/marci/bfsit_vs_byhand.cc
==============================================================================
--- hugo/trunk/src/work/marci/bfsit_vs_byhand.cc (original)
+++ hugo/trunk/src/work/marci/bfsit_vs_byhand.cc Sat Oct 16 02:20:13 2004
@@ -2,12 +2,14 @@
#include <iostream>
#include <fstream>
-#include <sage_graph.h>
+//#include <sage_graph.h>
#include <lemon/smart_graph.h>
+#include <lemon/list_graph.h>
#include <lemon/dimacs.h>
#include <lemon/time_measure.h>
//#include <lemon/for_each_macros.h>
-#include <bfs_dfs.h>
+#include <bfs_mm.h>
+#include <lemon/bfs.h>
using namespace lemon;
@@ -15,7 +17,9 @@
using std::endl;
int main() {
- typedef SageGraph Graph;
+ // typedef SageGraph Graph;
+ typedef SmartGraph Graph ;
+ //typedef ListGraph Graph;
typedef Graph::Node Node;
typedef Graph::NodeIt NodeIt;
typedef Graph::Edge Edge;
@@ -23,12 +27,8 @@
typedef Graph::OutEdgeIt OutEdgeIt;
Graph g;
- //Node s;
- //Graph::EdgeMap<int> cap(g);
- //readDimacsMaxFlow(std::cin, g, s, t, cap);
readDimacs(std::cin, g);
- NodeIt s;
- g.first(s);
+ NodeIt s(g);
cout << g.nodeNum() << endl;
cout << g.edgeNum() << endl;
@@ -36,8 +36,9 @@
Graph::NodeMap<Edge> pred(g);
cout << "iteration time of bfs written by hand..." << endl;
Timer ts;
+ ts.reset();
+ for (int i=0; i<100; ++i)
{
- ts.reset();
Graph::NodeMap<bool> reached(g);
reached.set(s, true);
pred.set(s, INVALID);
@@ -46,8 +47,7 @@
while (!bfs_queue.empty()) {
Node v=bfs_queue.front();
bfs_queue.pop();
- OutEdgeIt e;
- for(g.first(e,v); g.valid(e); g.next(e)) {
+ for(OutEdgeIt e(g,v); e!=INVALID; ++e) {
Node w=g.head(e);
if (!reached[w]) {
bfs_queue.push(w);
@@ -56,23 +56,35 @@
}
}
}
-
- std::cout << ts << std::endl;
}
+ std::cout << ts << std::endl;
cout << "iteration time with bfs iterator..." << endl;
+ ts.reset();
+ for (int i=0; i<100; ++i)
{
- ts.reset();
- BfsIterator< Graph, Graph::NodeMap<bool> > bfs(g);
+ Graph::NodeMap<bool> reached(g);
+ marci::BfsIterator< Graph, Graph::NodeMap<bool> > bfs(g, reached);
bfs.pushAndSetReached(s);
pred.set(s, INVALID);
while (!bfs.finished()) {
++bfs;
- if (g.valid(bfs) && bfs.isBNodeNewlyReached())
+ if (Graph::Edge(bfs)!=INVALID && bfs.isBNodeNewlyReached())
pred.set(bfs.head(), Graph::Edge(bfs));
}
- std::cout << ts << std::endl;
}
+ std::cout << ts << std::endl;
+
+ cout << "iteration time with bfs aplar..." << endl;
+ ts.reset();
+ for (int i=0; i<100; ++i)
+ {
+ Bfs<Graph> bfs(g);
+ bfs.setPredMap(pred);
+ bfs.run(s);
+ }
+ std::cout << ts << std::endl;
+
return 0;
}
Modified: hugo/trunk/src/work/marci/makefile
==============================================================================
--- hugo/trunk/src/work/marci/makefile (original)
+++ hugo/trunk/src/work/marci/makefile Sat Oct 16 02:20:13 2004
@@ -4,7 +4,7 @@
INCLUDEDIRS ?= -I../{jacint,marci,alpar,klao,akos,athos} -I../.. -I.. -I$(BOOSTROOT)
LEDABINARIES = leda_graph_demo leda_bfs_dfs max_bipartite_matching_demo
-BINARIES = merge_node_graph_wrapper_test#sub_graph_wrapper_demo.cc graph_wrapper_time max_flow_demo iterator_bfs_demo macro_test lg_vs_sg_vs_sg bfsit_vs_byhand bipartite_graph_wrapper_test bipartite_matching_demo top_sort_test max_flow_1 proba7 proba10
+BINARIES = bfsit_vs_byhand max_flow_demo bfs_mm_test#merge_node_graph_wrapper_test sub_graph_wrapper_demo.cc graph_wrapper_time iterator_bfs_demo macro_test lg_vs_sg_vs_sg bipartite_graph_wrapper_test bipartite_matching_demo top_sort_test max_flow_1 proba7 proba10
#BINARIES = preflow_bug
#gw_vs_not preflow_demo_boost edmonds_karp_demo_boost preflow_demo_jacint preflow_demo_athos edmonds_karp_demo_alpar preflow_demo_leda
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