0
18
0
2
7
325
309
2
7
1
11
| ... | ... |
@@ -33,59 +33,57 @@ |
| 33 | 33 |
namespace lemon {
|
| 34 | 34 |
|
| 35 | 35 |
///Default traits class of Bfs class. |
| 36 | 36 |
|
| 37 | 37 |
///Default traits class of Bfs class. |
| 38 | 38 |
///\tparam GR Digraph type. |
| 39 | 39 |
template<class GR> |
| 40 | 40 |
struct BfsDefaultTraits |
| 41 | 41 |
{
|
| 42 | 42 |
///The type of the digraph the algorithm runs on. |
| 43 | 43 |
typedef GR Digraph; |
| 44 | 44 |
|
| 45 | 45 |
///\brief The type of the map that stores the predecessor |
| 46 | 46 |
///arcs of the shortest paths. |
| 47 | 47 |
/// |
| 48 | 48 |
///The type of the map that stores the predecessor |
| 49 | 49 |
///arcs of the shortest paths. |
| 50 | 50 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 51 | 51 |
typedef typename Digraph::template NodeMap<typename Digraph::Arc> PredMap; |
| 52 | 52 |
///Instantiates a \ref PredMap. |
| 53 | 53 |
|
| 54 | 54 |
///This function instantiates a \ref PredMap. |
| 55 | 55 |
///\param g is the digraph, to which we would like to define the |
| 56 | 56 |
///\ref PredMap. |
| 57 |
///\todo The digraph alone may be insufficient to initialize |
|
| 58 | 57 |
static PredMap *createPredMap(const Digraph &g) |
| 59 | 58 |
{
|
| 60 | 59 |
return new PredMap(g); |
| 61 | 60 |
} |
| 62 | 61 |
|
| 63 | 62 |
///The type of the map that indicates which nodes are processed. |
| 64 | 63 |
|
| 65 | 64 |
///The type of the map that indicates which nodes are processed. |
| 66 | 65 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 67 |
///By default it is a NullMap. |
|
| 68 | 66 |
typedef NullMap<typename Digraph::Node,bool> ProcessedMap; |
| 69 | 67 |
///Instantiates a \ref ProcessedMap. |
| 70 | 68 |
|
| 71 | 69 |
///This function instantiates a \ref ProcessedMap. |
| 72 | 70 |
///\param g is the digraph, to which |
| 73 | 71 |
///we would like to define the \ref ProcessedMap |
| 74 | 72 |
#ifdef DOXYGEN |
| 75 | 73 |
static ProcessedMap *createProcessedMap(const Digraph &g) |
| 76 | 74 |
#else |
| 77 | 75 |
static ProcessedMap *createProcessedMap(const Digraph &) |
| 78 | 76 |
#endif |
| 79 | 77 |
{
|
| 80 | 78 |
return new ProcessedMap(); |
| 81 | 79 |
} |
| 82 | 80 |
|
| 83 | 81 |
///The type of the map that indicates which nodes are reached. |
| 84 | 82 |
|
| 85 | 83 |
///The type of the map that indicates which nodes are reached. |
| 86 | 84 |
///It must meet the \ref concepts::ReadWriteMap "ReadWriteMap" concept. |
| 87 | 85 |
typedef typename Digraph::template NodeMap<bool> ReachedMap; |
| 88 | 86 |
///Instantiates a \ref ReachedMap. |
| 89 | 87 |
|
| 90 | 88 |
///This function instantiates a \ref ReachedMap. |
| 91 | 89 |
///\param g is the digraph, to which |
| ... | ... |
@@ -175,50 +173,49 @@ |
| 175 | 173 |
|
| 176 | 174 |
//Pointer to the underlying digraph. |
| 177 | 175 |
const Digraph *G; |
| 178 | 176 |
//Pointer to the map of predecessor arcs. |
| 179 | 177 |
PredMap *_pred; |
| 180 | 178 |
//Indicates if _pred is locally allocated (true) or not. |
| 181 | 179 |
bool local_pred; |
| 182 | 180 |
//Pointer to the map of distances. |
| 183 | 181 |
DistMap *_dist; |
| 184 | 182 |
//Indicates if _dist is locally allocated (true) or not. |
| 185 | 183 |
bool local_dist; |
| 186 | 184 |
//Pointer to the map of reached status of the nodes. |
| 187 | 185 |
ReachedMap *_reached; |
| 188 | 186 |
//Indicates if _reached is locally allocated (true) or not. |
| 189 | 187 |
bool local_reached; |
| 190 | 188 |
//Pointer to the map of processed status of the nodes. |
| 191 | 189 |
ProcessedMap *_processed; |
| 192 | 190 |
//Indicates if _processed is locally allocated (true) or not. |
| 193 | 191 |
bool local_processed; |
| 194 | 192 |
|
| 195 | 193 |
std::vector<typename Digraph::Node> _queue; |
| 196 | 194 |
int _queue_head,_queue_tail,_queue_next_dist; |
| 197 | 195 |
int _curr_dist; |
| 198 | 196 |
|
| 199 |
///Creates the maps if necessary. |
|
| 200 |
///\todo Better memory allocation (instead of new). |
|
| 197 |
//Creates the maps if necessary. |
|
| 201 | 198 |
void create_maps() |
| 202 | 199 |
{
|
| 203 | 200 |
if(!_pred) {
|
| 204 | 201 |
local_pred = true; |
| 205 | 202 |
_pred = Traits::createPredMap(*G); |
| 206 | 203 |
} |
| 207 | 204 |
if(!_dist) {
|
| 208 | 205 |
local_dist = true; |
| 209 | 206 |
_dist = Traits::createDistMap(*G); |
| 210 | 207 |
} |
| 211 | 208 |
if(!_reached) {
|
| 212 | 209 |
local_reached = true; |
| 213 | 210 |
_reached = Traits::createReachedMap(*G); |
| 214 | 211 |
} |
| 215 | 212 |
if(!_processed) {
|
| 216 | 213 |
local_processed = true; |
| 217 | 214 |
_processed = Traits::createProcessedMap(*G); |
| 218 | 215 |
} |
| 219 | 216 |
} |
| 220 | 217 |
|
| 221 | 218 |
protected: |
| 222 | 219 |
|
| 223 | 220 |
Bfs() {}
|
| 224 | 221 |
|
| ... | ... |
@@ -827,49 +824,48 @@ |
| 827 | 824 |
}; |
| 828 | 825 |
|
| 829 | 826 |
///Default traits class of bfs() function. |
| 830 | 827 |
|
| 831 | 828 |
///Default traits class of bfs() function. |
| 832 | 829 |
///\tparam GR Digraph type. |
| 833 | 830 |
template<class GR> |
| 834 | 831 |
struct BfsWizardDefaultTraits |
| 835 | 832 |
{
|
| 836 | 833 |
///The type of the digraph the algorithm runs on. |
| 837 | 834 |
typedef GR Digraph; |
| 838 | 835 |
|
| 839 | 836 |
///\brief The type of the map that stores the predecessor |
| 840 | 837 |
///arcs of the shortest paths. |
| 841 | 838 |
/// |
| 842 | 839 |
///The type of the map that stores the predecessor |
| 843 | 840 |
///arcs of the shortest paths. |
| 844 | 841 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 845 | 842 |
typedef typename Digraph::template NodeMap<typename Digraph::Arc> PredMap; |
| 846 | 843 |
///Instantiates a \ref PredMap. |
| 847 | 844 |
|
| 848 | 845 |
///This function instantiates a \ref PredMap. |
| 849 | 846 |
///\param g is the digraph, to which we would like to define the |
| 850 | 847 |
///\ref PredMap. |
| 851 |
///\todo The digraph alone may be insufficient to initialize |
|
| 852 | 848 |
static PredMap *createPredMap(const Digraph &g) |
| 853 | 849 |
{
|
| 854 | 850 |
return new PredMap(g); |
| 855 | 851 |
} |
| 856 | 852 |
|
| 857 | 853 |
///The type of the map that indicates which nodes are processed. |
| 858 | 854 |
|
| 859 | 855 |
///The type of the map that indicates which nodes are processed. |
| 860 | 856 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 861 | 857 |
///By default it is a NullMap. |
| 862 | 858 |
typedef NullMap<typename Digraph::Node,bool> ProcessedMap; |
| 863 | 859 |
///Instantiates a \ref ProcessedMap. |
| 864 | 860 |
|
| 865 | 861 |
///This function instantiates a \ref ProcessedMap. |
| 866 | 862 |
///\param g is the digraph, to which |
| 867 | 863 |
///we would like to define the \ref ProcessedMap. |
| 868 | 864 |
#ifdef DOXYGEN |
| 869 | 865 |
static ProcessedMap *createProcessedMap(const Digraph &g) |
| 870 | 866 |
#else |
| 871 | 867 |
static ProcessedMap *createProcessedMap(const Digraph &) |
| 872 | 868 |
#endif |
| 873 | 869 |
{
|
| 874 | 870 |
return new ProcessedMap(); |
| 875 | 871 |
} |
| ... | ... |
@@ -1349,50 +1345,49 @@ |
| 1349 | 1345 |
typedef _Visitor Visitor; |
| 1350 | 1346 |
|
| 1351 | 1347 |
///The type of the map that indicates which nodes are reached. |
| 1352 | 1348 |
typedef typename Traits::ReachedMap ReachedMap; |
| 1353 | 1349 |
|
| 1354 | 1350 |
private: |
| 1355 | 1351 |
|
| 1356 | 1352 |
typedef typename Digraph::Node Node; |
| 1357 | 1353 |
typedef typename Digraph::NodeIt NodeIt; |
| 1358 | 1354 |
typedef typename Digraph::Arc Arc; |
| 1359 | 1355 |
typedef typename Digraph::OutArcIt OutArcIt; |
| 1360 | 1356 |
|
| 1361 | 1357 |
//Pointer to the underlying digraph. |
| 1362 | 1358 |
const Digraph *_digraph; |
| 1363 | 1359 |
//Pointer to the visitor object. |
| 1364 | 1360 |
Visitor *_visitor; |
| 1365 | 1361 |
//Pointer to the map of reached status of the nodes. |
| 1366 | 1362 |
ReachedMap *_reached; |
| 1367 | 1363 |
//Indicates if _reached is locally allocated (true) or not. |
| 1368 | 1364 |
bool local_reached; |
| 1369 | 1365 |
|
| 1370 | 1366 |
std::vector<typename Digraph::Node> _list; |
| 1371 | 1367 |
int _list_front, _list_back; |
| 1372 | 1368 |
|
| 1373 |
///Creates the maps if necessary. |
|
| 1374 |
///\todo Better memory allocation (instead of new). |
|
| 1369 |
//Creates the maps if necessary. |
|
| 1375 | 1370 |
void create_maps() {
|
| 1376 | 1371 |
if(!_reached) {
|
| 1377 | 1372 |
local_reached = true; |
| 1378 | 1373 |
_reached = Traits::createReachedMap(*_digraph); |
| 1379 | 1374 |
} |
| 1380 | 1375 |
} |
| 1381 | 1376 |
|
| 1382 | 1377 |
protected: |
| 1383 | 1378 |
|
| 1384 | 1379 |
BfsVisit() {}
|
| 1385 | 1380 |
|
| 1386 | 1381 |
public: |
| 1387 | 1382 |
|
| 1388 | 1383 |
typedef BfsVisit Create; |
| 1389 | 1384 |
|
| 1390 | 1385 |
/// \name Named template parameters |
| 1391 | 1386 |
|
| 1392 | 1387 |
///@{
|
| 1393 | 1388 |
template <class T> |
| 1394 | 1389 |
struct SetReachedMapTraits : public Traits {
|
| 1395 | 1390 |
typedef T ReachedMap; |
| 1396 | 1391 |
static ReachedMap *createReachedMap(const Digraph &digraph) {
|
| 1397 | 1392 |
throw UninitializedParameter(); |
| 1398 | 1393 |
} |
| ... | ... |
@@ -84,51 +84,48 @@ |
| 84 | 84 |
return e.forward ? Parent::source(e) : Parent::target(e); |
| 85 | 85 |
} |
| 86 | 86 |
|
| 87 | 87 |
/// Second node of the edge |
| 88 | 88 |
Node v(const Edge &e) const {
|
| 89 | 89 |
return Parent::target(e); |
| 90 | 90 |
} |
| 91 | 91 |
|
| 92 | 92 |
/// Target of the given arc |
| 93 | 93 |
Node target(const Arc &e) const {
|
| 94 | 94 |
return e.forward ? Parent::target(e) : Parent::source(e); |
| 95 | 95 |
} |
| 96 | 96 |
|
| 97 | 97 |
/// \brief Directed arc from an edge. |
| 98 | 98 |
/// |
| 99 | 99 |
/// Returns a directed arc corresponding to the specified edge. |
| 100 | 100 |
/// If the given bool is true, the first node of the given edge and |
| 101 | 101 |
/// the source node of the returned arc are the same. |
| 102 | 102 |
static Arc direct(const Edge &e, bool d) {
|
| 103 | 103 |
return Arc(e, d); |
| 104 | 104 |
} |
| 105 | 105 |
|
| 106 | 106 |
/// Returns whether the given directed arc has the same orientation |
| 107 | 107 |
/// as the corresponding edge. |
| 108 |
/// |
|
| 109 |
/// \todo reference to the corresponding point of the undirected digraph |
|
| 110 |
/// concept. "What does the direction of an edge mean?" |
|
| 111 | 108 |
static bool direction(const Arc &a) { return a.forward; }
|
| 112 | 109 |
|
| 113 | 110 |
using Parent::first; |
| 114 | 111 |
using Parent::next; |
| 115 | 112 |
|
| 116 | 113 |
void first(Arc &e) const {
|
| 117 | 114 |
Parent::first(e); |
| 118 | 115 |
e.forward=true; |
| 119 | 116 |
} |
| 120 | 117 |
|
| 121 | 118 |
void next(Arc &e) const {
|
| 122 | 119 |
if( e.forward ) {
|
| 123 | 120 |
e.forward = false; |
| 124 | 121 |
} |
| 125 | 122 |
else {
|
| 126 | 123 |
Parent::next(e); |
| 127 | 124 |
e.forward = true; |
| 128 | 125 |
} |
| 129 | 126 |
} |
| 130 | 127 |
|
| 131 | 128 |
void firstOut(Arc &e, const Node &n) const {
|
| 132 | 129 |
Parent::firstIn(e,n); |
| 133 | 130 |
if( Edge(e) != INVALID ) {
|
| 134 | 131 |
e.forward = false; |
| ... | ... |
@@ -21,52 +21,51 @@ |
| 21 | 21 |
|
| 22 | 22 |
#include <vector> |
| 23 | 23 |
#include <algorithm> |
| 24 | 24 |
|
| 25 | 25 |
#include <lemon/core.h> |
| 26 | 26 |
#include <lemon/bits/alteration_notifier.h> |
| 27 | 27 |
|
| 28 | 28 |
#include <lemon/concept_check.h> |
| 29 | 29 |
#include <lemon/concepts/maps.h> |
| 30 | 30 |
|
| 31 | 31 |
///\ingroup graphbits |
| 32 | 32 |
/// |
| 33 | 33 |
///\file |
| 34 | 34 |
///\brief Vector based graph maps. |
| 35 | 35 |
namespace lemon {
|
| 36 | 36 |
|
| 37 | 37 |
/// \ingroup graphbits |
| 38 | 38 |
/// |
| 39 | 39 |
/// \brief Graph map based on the std::vector storage. |
| 40 | 40 |
/// |
| 41 | 41 |
/// The VectorMap template class is graph map structure what |
| 42 | 42 |
/// automatically updates the map when a key is added to or erased from |
| 43 | 43 |
/// the map. This map type uses the std::vector to store the values. |
| 44 | 44 |
/// |
| 45 |
/// \tparam |
|
| 45 |
/// \tparam _Graph The graph this map is attached to. |
|
| 46 | 46 |
/// \tparam _Item The item type of the graph items. |
| 47 | 47 |
/// \tparam _Value The value type of the map. |
| 48 |
/// \todo Fix the doc: there is _Graph parameter instead of _Notifier. |
|
| 49 | 48 |
template <typename _Graph, typename _Item, typename _Value> |
| 50 | 49 |
class VectorMap |
| 51 | 50 |
: public ItemSetTraits<_Graph, _Item>::ItemNotifier::ObserverBase {
|
| 52 | 51 |
private: |
| 53 | 52 |
|
| 54 | 53 |
/// The container type of the map. |
| 55 | 54 |
typedef std::vector<_Value> Container; |
| 56 | 55 |
|
| 57 | 56 |
public: |
| 58 | 57 |
|
| 59 | 58 |
/// The graph type of the map. |
| 60 | 59 |
typedef _Graph Graph; |
| 61 | 60 |
/// The item type of the map. |
| 62 | 61 |
typedef _Item Item; |
| 63 | 62 |
/// The reference map tag. |
| 64 | 63 |
typedef True ReferenceMapTag; |
| 65 | 64 |
|
| 66 | 65 |
/// The key type of the map. |
| 67 | 66 |
typedef _Item Key; |
| 68 | 67 |
/// The value type of the map. |
| 69 | 68 |
typedef _Value Value; |
| 70 | 69 |
|
| 71 | 70 |
/// The notifier type. |
| 72 | 71 |
typedef typename ItemSetTraits<_Graph, _Item>::ItemNotifier Notifier; |
| 1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
| 2 | 2 |
* |
| 3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
| 4 | 4 |
* |
| 5 | 5 |
* Copyright (C) 2003-2008 |
| 6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
| 7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
| 8 | 8 |
* |
| 9 | 9 |
* Permission to use, modify and distribute this software is granted |
| 10 | 10 |
* provided that this copyright notice appears in all copies. For |
| 11 | 11 |
* precise terms see the accompanying LICENSE file. |
| 12 | 12 |
* |
| 13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
| 14 | 14 |
* express or implied, and with no claim as to its suitability for any |
| 15 | 15 |
* purpose. |
| 16 | 16 |
* |
| 17 | 17 |
*/ |
| 18 | 18 |
|
| 19 |
// This file contains a modified version of the concept checking |
|
| 20 |
// utility from BOOST. |
|
| 21 |
// See the appropriate copyright notice below. |
|
| 22 |
|
|
| 23 |
// (C) Copyright Jeremy Siek 2000. |
|
| 24 |
// Distributed under the Boost Software License, Version 1.0. (See |
|
| 25 |
// accompanying file LICENSE_1_0.txt or copy at |
|
| 26 |
// http://www.boost.org/LICENSE_1_0.txt) |
|
| 27 |
// |
|
| 28 |
// Revision History: |
|
| 29 |
// 05 May 2001: Workarounds for HP aCC from Thomas Matelich. (Jeremy Siek) |
|
| 30 |
// 02 April 2001: Removed limits header altogether. (Jeremy Siek) |
|
| 31 |
// 01 April 2001: Modified to use new <boost/limits.hpp> header. (JMaddock) |
|
| 32 |
// |
|
| 33 |
|
|
| 34 |
// See http://www.boost.org/libs/concept_check for documentation. |
|
| 19 |
// The contents of this file was inspired by the concept checking |
|
| 20 |
// utility of the BOOST library (http://www.boost.org). |
|
| 35 | 21 |
|
| 36 | 22 |
///\file |
| 37 | 23 |
///\brief Basic utilities for concept checking. |
| 38 | 24 |
/// |
| 39 |
///\todo Are we still using BOOST concept checking utility? |
|
| 40 |
///Is the BOOST copyright notice necessary? |
|
| 41 | 25 |
|
| 42 | 26 |
#ifndef LEMON_CONCEPT_CHECK_H |
| 43 | 27 |
#define LEMON_CONCEPT_CHECK_H |
| 44 | 28 |
|
| 45 | 29 |
namespace lemon {
|
| 46 | 30 |
|
| 47 | 31 |
/* |
| 48 | 32 |
"inline" is used for ignore_unused_variable_warning() |
| 49 | 33 |
and function_requires() to make sure there is no |
| 50 | 34 |
overtarget with g++. |
| 51 | 35 |
*/ |
| 52 | 36 |
|
| 53 | 37 |
template <class T> inline void ignore_unused_variable_warning(const T&) { }
|
| 54 | 38 |
|
| 55 | 39 |
///\e |
| 56 | 40 |
template <class Concept> |
| 57 | 41 |
inline void function_requires() |
| 58 | 42 |
{
|
| 59 | 43 |
#if !defined(NDEBUG) |
| 60 | 44 |
void (Concept::*x)() = & Concept::constraints; |
| 61 | 45 |
ignore_unused_variable_warning(x); |
| 62 | 46 |
#endif |
| 63 | 47 |
} |
| 64 | 48 |
| 1 | 1 |
/* -*- mode: C++; indent-tabs-mode: nil; -*- |
| 2 | 2 |
* |
| 3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
| 4 | 4 |
* |
| 5 | 5 |
* Copyright (C) 2003-2008 |
| 6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
| 7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
| 8 | 8 |
* |
| 9 | 9 |
* Permission to use, modify and distribute this software is granted |
| 10 | 10 |
* provided that this copyright notice appears in all copies. For |
| 11 | 11 |
* precise terms see the accompanying LICENSE file. |
| 12 | 12 |
* |
| 13 | 13 |
* This software is provided "AS IS" with no warranty of any kind, |
| 14 | 14 |
* express or implied, and with no claim as to its suitability for any |
| 15 | 15 |
* purpose. |
| 16 | 16 |
* |
| 17 | 17 |
*/ |
| 18 | 18 |
|
| 19 | 19 |
///\ingroup concept |
| 20 | 20 |
///\file |
| 21 | 21 |
///\brief Classes for representing paths in digraphs. |
| 22 | 22 |
/// |
| 23 |
///\todo Iterators have obsolete style |
|
| 24 | 23 |
|
| 25 | 24 |
#ifndef LEMON_CONCEPT_PATH_H |
| 26 | 25 |
#define LEMON_CONCEPT_PATH_H |
| 27 | 26 |
|
| 28 | 27 |
#include <lemon/core.h> |
| 29 | 28 |
#include <lemon/concept_check.h> |
| 30 | 29 |
|
| 31 | 30 |
namespace lemon {
|
| 32 | 31 |
namespace concepts {
|
| 33 | 32 |
|
| 34 | 33 |
/// \addtogroup concept |
| 35 | 34 |
/// @{
|
| 36 | 35 |
|
| 37 | 36 |
/// \brief A skeleton structure for representing directed paths in |
| 38 | 37 |
/// a digraph. |
| 39 | 38 |
/// |
| 40 | 39 |
/// A skeleton structure for representing directed paths in a |
| 41 | 40 |
/// digraph. |
| 42 | 41 |
/// \tparam _Digraph The digraph type in which the path is. |
| 43 | 42 |
/// |
| 44 | 43 |
/// In a sense, the path can be treated as a list of arcs. The |
| 45 | 44 |
/// lemon path type stores just this list. As a consequence it |
| 46 | 45 |
/// cannot enumerate the nodes in the path and the zero length |
| 47 | 46 |
/// paths cannot store the source. |
| ... | ... |
@@ -37,1021 +37,1043 @@ |
| 37 | 37 |
/// \brief Dummy type to make it easier to create invalid iterators. |
| 38 | 38 |
/// |
| 39 | 39 |
/// Dummy type to make it easier to create invalid iterators. |
| 40 | 40 |
/// See \ref INVALID for the usage. |
| 41 | 41 |
struct Invalid {
|
| 42 | 42 |
public: |
| 43 | 43 |
bool operator==(Invalid) { return true; }
|
| 44 | 44 |
bool operator!=(Invalid) { return false; }
|
| 45 | 45 |
bool operator< (Invalid) { return false; }
|
| 46 | 46 |
}; |
| 47 | 47 |
|
| 48 | 48 |
/// \brief Invalid iterators. |
| 49 | 49 |
/// |
| 50 | 50 |
/// \ref Invalid is a global type that converts to each iterator |
| 51 | 51 |
/// in such a way that the value of the target iterator will be invalid. |
| 52 | 52 |
#ifdef LEMON_ONLY_TEMPLATES |
| 53 | 53 |
const Invalid INVALID = Invalid(); |
| 54 | 54 |
#else |
| 55 | 55 |
extern const Invalid INVALID; |
| 56 | 56 |
#endif |
| 57 | 57 |
|
| 58 | 58 |
/// \addtogroup gutils |
| 59 | 59 |
/// @{
|
| 60 | 60 |
|
| 61 |
/// |
|
| 61 |
///Create convenient typedefs for the digraph types and iterators |
|
| 62 | 62 |
|
| 63 |
///This \c \#define creates convenience typedefs for the following types |
|
| 64 |
///of \c Digraph: \c Node, \c NodeIt, \c Arc, \c ArcIt, \c InArcIt, |
|
| 63 |
///This \c \#define creates convenient type definitions for the following |
|
| 64 |
///types of \c Digraph: \c Node, \c NodeIt, \c Arc, \c ArcIt, \c InArcIt, |
|
| 65 | 65 |
///\c OutArcIt, \c BoolNodeMap, \c IntNodeMap, \c DoubleNodeMap, |
| 66 | 66 |
///\c BoolArcMap, \c IntArcMap, \c DoubleArcMap. |
| 67 | 67 |
/// |
| 68 | 68 |
///\note If the graph type is a dependent type, ie. the graph type depend |
| 69 | 69 |
///on a template parameter, then use \c TEMPLATE_DIGRAPH_TYPEDEFS() |
| 70 | 70 |
///macro. |
| 71 | 71 |
#define DIGRAPH_TYPEDEFS(Digraph) \ |
| 72 | 72 |
typedef Digraph::Node Node; \ |
| 73 | 73 |
typedef Digraph::NodeIt NodeIt; \ |
| 74 | 74 |
typedef Digraph::Arc Arc; \ |
| 75 | 75 |
typedef Digraph::ArcIt ArcIt; \ |
| 76 | 76 |
typedef Digraph::InArcIt InArcIt; \ |
| 77 | 77 |
typedef Digraph::OutArcIt OutArcIt; \ |
| 78 | 78 |
typedef Digraph::NodeMap<bool> BoolNodeMap; \ |
| 79 | 79 |
typedef Digraph::NodeMap<int> IntNodeMap; \ |
| 80 | 80 |
typedef Digraph::NodeMap<double> DoubleNodeMap; \ |
| 81 | 81 |
typedef Digraph::ArcMap<bool> BoolArcMap; \ |
| 82 | 82 |
typedef Digraph::ArcMap<int> IntArcMap; \ |
| 83 |
typedef Digraph::ArcMap<double> DoubleArcMap |
|
| 83 |
typedef Digraph::ArcMap<double> DoubleArcMap; |
|
| 84 | 84 |
|
| 85 |
/// |
|
| 85 |
///Create convenient typedefs for the digraph types and iterators |
|
| 86 | 86 |
|
| 87 | 87 |
///\see DIGRAPH_TYPEDEFS |
| 88 | 88 |
/// |
| 89 | 89 |
///\note Use this macro, if the graph type is a dependent type, |
| 90 | 90 |
///ie. the graph type depend on a template parameter. |
| 91 | 91 |
#define TEMPLATE_DIGRAPH_TYPEDEFS(Digraph) \ |
| 92 | 92 |
typedef typename Digraph::Node Node; \ |
| 93 | 93 |
typedef typename Digraph::NodeIt NodeIt; \ |
| 94 | 94 |
typedef typename Digraph::Arc Arc; \ |
| 95 | 95 |
typedef typename Digraph::ArcIt ArcIt; \ |
| 96 | 96 |
typedef typename Digraph::InArcIt InArcIt; \ |
| 97 | 97 |
typedef typename Digraph::OutArcIt OutArcIt; \ |
| 98 | 98 |
typedef typename Digraph::template NodeMap<bool> BoolNodeMap; \ |
| 99 | 99 |
typedef typename Digraph::template NodeMap<int> IntNodeMap; \ |
| 100 | 100 |
typedef typename Digraph::template NodeMap<double> DoubleNodeMap; \ |
| 101 | 101 |
typedef typename Digraph::template ArcMap<bool> BoolArcMap; \ |
| 102 | 102 |
typedef typename Digraph::template ArcMap<int> IntArcMap; \ |
| 103 |
typedef typename Digraph::template ArcMap<double> DoubleArcMap |
|
| 103 |
typedef typename Digraph::template ArcMap<double> DoubleArcMap; |
|
| 104 | 104 |
|
| 105 |
/// |
|
| 105 |
///Create convenient typedefs for the graph types and iterators |
|
| 106 | 106 |
|
| 107 |
///This \c \#define creates the same |
|
| 107 |
///This \c \#define creates the same convenient type definitions as defined |
|
| 108 | 108 |
///by \ref DIGRAPH_TYPEDEFS(Graph) and six more, namely it creates |
| 109 | 109 |
///\c Edge, \c EdgeIt, \c IncEdgeIt, \c BoolEdgeMap, \c IntEdgeMap, |
| 110 | 110 |
///\c DoubleEdgeMap. |
| 111 | 111 |
/// |
| 112 | 112 |
///\note If the graph type is a dependent type, ie. the graph type depend |
| 113 |
///on a template parameter, then use \c |
|
| 113 |
///on a template parameter, then use \c TEMPLATE_GRAPH_TYPEDEFS() |
|
| 114 | 114 |
///macro. |
| 115 | 115 |
#define GRAPH_TYPEDEFS(Graph) \ |
| 116 | 116 |
DIGRAPH_TYPEDEFS(Graph); \ |
| 117 | 117 |
typedef Graph::Edge Edge; \ |
| 118 | 118 |
typedef Graph::EdgeIt EdgeIt; \ |
| 119 | 119 |
typedef Graph::IncEdgeIt IncEdgeIt; \ |
| 120 | 120 |
typedef Graph::EdgeMap<bool> BoolEdgeMap; \ |
| 121 | 121 |
typedef Graph::EdgeMap<int> IntEdgeMap; \ |
| 122 |
typedef Graph::EdgeMap<double> DoubleEdgeMap |
|
| 122 |
typedef Graph::EdgeMap<double> DoubleEdgeMap; |
|
| 123 | 123 |
|
| 124 |
/// |
|
| 124 |
///Create convenient typedefs for the graph types and iterators |
|
| 125 | 125 |
|
| 126 | 126 |
///\see GRAPH_TYPEDEFS |
| 127 | 127 |
/// |
| 128 | 128 |
///\note Use this macro, if the graph type is a dependent type, |
| 129 | 129 |
///ie. the graph type depend on a template parameter. |
| 130 | 130 |
#define TEMPLATE_GRAPH_TYPEDEFS(Graph) \ |
| 131 | 131 |
TEMPLATE_DIGRAPH_TYPEDEFS(Graph); \ |
| 132 | 132 |
typedef typename Graph::Edge Edge; \ |
| 133 | 133 |
typedef typename Graph::EdgeIt EdgeIt; \ |
| 134 | 134 |
typedef typename Graph::IncEdgeIt IncEdgeIt; \ |
| 135 | 135 |
typedef typename Graph::template EdgeMap<bool> BoolEdgeMap; \ |
| 136 | 136 |
typedef typename Graph::template EdgeMap<int> IntEdgeMap; \ |
| 137 |
typedef typename Graph::template EdgeMap<double> DoubleEdgeMap |
|
| 137 |
typedef typename Graph::template EdgeMap<double> DoubleEdgeMap; |
|
| 138 | 138 |
|
| 139 |
/// \brief Function to count the items in |
|
| 139 |
/// \brief Function to count the items in a graph. |
|
| 140 | 140 |
/// |
| 141 |
/// This function counts the items (nodes, arcs etc) in the graph. |
|
| 142 |
/// The complexity of the function is O(n) because |
|
| 141 |
/// This function counts the items (nodes, arcs etc.) in a graph. |
|
| 142 |
/// The complexity of the function is linear because |
|
| 143 | 143 |
/// it iterates on all of the items. |
| 144 | 144 |
template <typename Graph, typename Item> |
| 145 | 145 |
inline int countItems(const Graph& g) {
|
| 146 | 146 |
typedef typename ItemSetTraits<Graph, Item>::ItemIt ItemIt; |
| 147 | 147 |
int num = 0; |
| 148 | 148 |
for (ItemIt it(g); it != INVALID; ++it) {
|
| 149 | 149 |
++num; |
| 150 | 150 |
} |
| 151 | 151 |
return num; |
| 152 | 152 |
} |
| 153 | 153 |
|
| 154 | 154 |
// Node counting: |
| 155 | 155 |
|
| 156 | 156 |
namespace _core_bits {
|
| 157 | 157 |
|
| 158 | 158 |
template <typename Graph, typename Enable = void> |
| 159 | 159 |
struct CountNodesSelector {
|
| 160 | 160 |
static int count(const Graph &g) {
|
| 161 | 161 |
return countItems<Graph, typename Graph::Node>(g); |
| 162 | 162 |
} |
| 163 | 163 |
}; |
| 164 | 164 |
|
| 165 | 165 |
template <typename Graph> |
| 166 | 166 |
struct CountNodesSelector< |
| 167 | 167 |
Graph, typename |
| 168 | 168 |
enable_if<typename Graph::NodeNumTag, void>::type> |
| 169 | 169 |
{
|
| 170 | 170 |
static int count(const Graph &g) {
|
| 171 | 171 |
return g.nodeNum(); |
| 172 | 172 |
} |
| 173 | 173 |
}; |
| 174 | 174 |
} |
| 175 | 175 |
|
| 176 | 176 |
/// \brief Function to count the nodes in the graph. |
| 177 | 177 |
/// |
| 178 | 178 |
/// This function counts the nodes in the graph. |
| 179 |
/// The complexity of the function is O(n) but for some |
|
| 180 |
/// graph structures it is specialized to run in O(1). |
|
| 179 |
/// The complexity of the function is <em>O</em>(<em>n</em>), but for some |
|
| 180 |
/// graph structures it is specialized to run in <em>O</em>(1). |
|
| 181 | 181 |
/// |
| 182 |
/// If the graph contains a \e nodeNum() member function and a |
|
| 183 |
/// \e NodeNumTag tag then this function calls directly the member |
|
| 182 |
/// \note If the graph contains a \c nodeNum() member function and a |
|
| 183 |
/// \c NodeNumTag tag then this function calls directly the member |
|
| 184 | 184 |
/// function to query the cardinality of the node set. |
| 185 | 185 |
template <typename Graph> |
| 186 | 186 |
inline int countNodes(const Graph& g) {
|
| 187 | 187 |
return _core_bits::CountNodesSelector<Graph>::count(g); |
| 188 | 188 |
} |
| 189 | 189 |
|
| 190 | 190 |
// Arc counting: |
| 191 | 191 |
|
| 192 | 192 |
namespace _core_bits {
|
| 193 | 193 |
|
| 194 | 194 |
template <typename Graph, typename Enable = void> |
| 195 | 195 |
struct CountArcsSelector {
|
| 196 | 196 |
static int count(const Graph &g) {
|
| 197 | 197 |
return countItems<Graph, typename Graph::Arc>(g); |
| 198 | 198 |
} |
| 199 | 199 |
}; |
| 200 | 200 |
|
| 201 | 201 |
template <typename Graph> |
| 202 | 202 |
struct CountArcsSelector< |
| 203 | 203 |
Graph, |
| 204 | 204 |
typename enable_if<typename Graph::ArcNumTag, void>::type> |
| 205 | 205 |
{
|
| 206 | 206 |
static int count(const Graph &g) {
|
| 207 | 207 |
return g.arcNum(); |
| 208 | 208 |
} |
| 209 | 209 |
}; |
| 210 | 210 |
} |
| 211 | 211 |
|
| 212 | 212 |
/// \brief Function to count the arcs in the graph. |
| 213 | 213 |
/// |
| 214 | 214 |
/// This function counts the arcs in the graph. |
| 215 |
/// The complexity of the function is O(e) but for some |
|
| 216 |
/// graph structures it is specialized to run in O(1). |
|
| 215 |
/// The complexity of the function is <em>O</em>(<em>m</em>), but for some |
|
| 216 |
/// graph structures it is specialized to run in <em>O</em>(1). |
|
| 217 | 217 |
/// |
| 218 |
/// If the graph contains a \e arcNum() member function and a |
|
| 219 |
/// \e EdgeNumTag tag then this function calls directly the member |
|
| 218 |
/// \note If the graph contains a \c arcNum() member function and a |
|
| 219 |
/// \c ArcNumTag tag then this function calls directly the member |
|
| 220 | 220 |
/// function to query the cardinality of the arc set. |
| 221 | 221 |
template <typename Graph> |
| 222 | 222 |
inline int countArcs(const Graph& g) {
|
| 223 | 223 |
return _core_bits::CountArcsSelector<Graph>::count(g); |
| 224 | 224 |
} |
| 225 | 225 |
|
| 226 | 226 |
// Edge counting: |
| 227 |
|
|
| 227 | 228 |
namespace _core_bits {
|
| 228 | 229 |
|
| 229 | 230 |
template <typename Graph, typename Enable = void> |
| 230 | 231 |
struct CountEdgesSelector {
|
| 231 | 232 |
static int count(const Graph &g) {
|
| 232 | 233 |
return countItems<Graph, typename Graph::Edge>(g); |
| 233 | 234 |
} |
| 234 | 235 |
}; |
| 235 | 236 |
|
| 236 | 237 |
template <typename Graph> |
| 237 | 238 |
struct CountEdgesSelector< |
| 238 | 239 |
Graph, |
| 239 | 240 |
typename enable_if<typename Graph::EdgeNumTag, void>::type> |
| 240 | 241 |
{
|
| 241 | 242 |
static int count(const Graph &g) {
|
| 242 | 243 |
return g.edgeNum(); |
| 243 | 244 |
} |
| 244 | 245 |
}; |
| 245 | 246 |
} |
| 246 | 247 |
|
| 247 | 248 |
/// \brief Function to count the edges in the graph. |
| 248 | 249 |
/// |
| 249 | 250 |
/// This function counts the edges in the graph. |
| 250 |
/// The complexity of the function is O(m) but for some |
|
| 251 |
/// graph structures it is specialized to run in O(1). |
|
| 251 |
/// The complexity of the function is <em>O</em>(<em>m</em>), but for some |
|
| 252 |
/// graph structures it is specialized to run in <em>O</em>(1). |
|
| 252 | 253 |
/// |
| 253 |
/// If the graph contains a \e edgeNum() member function and a |
|
| 254 |
/// \e EdgeNumTag tag then this function calls directly the member |
|
| 254 |
/// \note If the graph contains a \c edgeNum() member function and a |
|
| 255 |
/// \c EdgeNumTag tag then this function calls directly the member |
|
| 255 | 256 |
/// function to query the cardinality of the edge set. |
| 256 | 257 |
template <typename Graph> |
| 257 | 258 |
inline int countEdges(const Graph& g) {
|
| 258 | 259 |
return _core_bits::CountEdgesSelector<Graph>::count(g); |
| 259 | 260 |
|
| 260 | 261 |
} |
| 261 | 262 |
|
| 262 | 263 |
|
| 263 | 264 |
template <typename Graph, typename DegIt> |
| 264 | 265 |
inline int countNodeDegree(const Graph& _g, const typename Graph::Node& _n) {
|
| 265 | 266 |
int num = 0; |
| 266 | 267 |
for (DegIt it(_g, _n); it != INVALID; ++it) {
|
| 267 | 268 |
++num; |
| 268 | 269 |
} |
| 269 | 270 |
return num; |
| 270 | 271 |
} |
| 271 | 272 |
|
| 272 | 273 |
/// \brief Function to count the number of the out-arcs from node \c n. |
| 273 | 274 |
/// |
| 274 | 275 |
/// This function counts the number of the out-arcs from node \c n |
| 275 |
/// in the graph. |
|
| 276 |
/// in the graph \c g. |
|
| 276 | 277 |
template <typename Graph> |
| 277 |
inline int countOutArcs(const Graph& _g, const typename Graph::Node& _n) {
|
|
| 278 |
return countNodeDegree<Graph, typename Graph::OutArcIt>(_g, _n); |
|
| 278 |
inline int countOutArcs(const Graph& g, const typename Graph::Node& n) {
|
|
| 279 |
return countNodeDegree<Graph, typename Graph::OutArcIt>(g, n); |
|
| 279 | 280 |
} |
| 280 | 281 |
|
| 281 | 282 |
/// \brief Function to count the number of the in-arcs to node \c n. |
| 282 | 283 |
/// |
| 283 | 284 |
/// This function counts the number of the in-arcs to node \c n |
| 284 |
/// in the graph. |
|
| 285 |
/// in the graph \c g. |
|
| 285 | 286 |
template <typename Graph> |
| 286 |
inline int countInArcs(const Graph& _g, const typename Graph::Node& _n) {
|
|
| 287 |
return countNodeDegree<Graph, typename Graph::InArcIt>(_g, _n); |
|
| 287 |
inline int countInArcs(const Graph& g, const typename Graph::Node& n) {
|
|
| 288 |
return countNodeDegree<Graph, typename Graph::InArcIt>(g, n); |
|
| 288 | 289 |
} |
| 289 | 290 |
|
| 290 | 291 |
/// \brief Function to count the number of the inc-edges to node \c n. |
| 291 | 292 |
/// |
| 292 | 293 |
/// This function counts the number of the inc-edges to node \c n |
| 293 |
/// in the graph. |
|
| 294 |
/// in the undirected graph \c g. |
|
| 294 | 295 |
template <typename Graph> |
| 295 |
inline int countIncEdges(const Graph& _g, const typename Graph::Node& _n) {
|
|
| 296 |
return countNodeDegree<Graph, typename Graph::IncEdgeIt>(_g, _n); |
|
| 296 |
inline int countIncEdges(const Graph& g, const typename Graph::Node& n) {
|
|
| 297 |
return countNodeDegree<Graph, typename Graph::IncEdgeIt>(g, n); |
|
| 297 | 298 |
} |
| 298 | 299 |
|
| 299 | 300 |
namespace _core_bits {
|
| 300 | 301 |
|
| 301 | 302 |
template <typename Digraph, typename Item, typename RefMap> |
| 302 | 303 |
class MapCopyBase {
|
| 303 | 304 |
public: |
| 304 | 305 |
virtual void copy(const Digraph& from, const RefMap& refMap) = 0; |
| 305 | 306 |
|
| 306 | 307 |
virtual ~MapCopyBase() {}
|
| 307 | 308 |
}; |
| 308 | 309 |
|
| 309 | 310 |
template <typename Digraph, typename Item, typename RefMap, |
| 310 |
typename |
|
| 311 |
typename FromMap, typename ToMap> |
|
| 311 | 312 |
class MapCopy : public MapCopyBase<Digraph, Item, RefMap> {
|
| 312 | 313 |
public: |
| 313 | 314 |
|
| 314 |
MapCopy(ToMap& tmap, const FromMap& map) |
|
| 315 |
: _tmap(tmap), _map(map) {}
|
|
| 315 |
MapCopy(const FromMap& map, ToMap& tmap) |
|
| 316 |
: _map(map), _tmap(tmap) {}
|
|
| 316 | 317 |
|
| 317 | 318 |
virtual void copy(const Digraph& digraph, const RefMap& refMap) {
|
| 318 | 319 |
typedef typename ItemSetTraits<Digraph, Item>::ItemIt ItemIt; |
| 319 | 320 |
for (ItemIt it(digraph); it != INVALID; ++it) {
|
| 320 | 321 |
_tmap.set(refMap[it], _map[it]); |
| 321 | 322 |
} |
| 322 | 323 |
} |
| 323 | 324 |
|
| 324 | 325 |
private: |
| 326 |
const FromMap& _map; |
|
| 325 | 327 |
ToMap& _tmap; |
| 326 |
const FromMap& _map; |
|
| 327 | 328 |
}; |
| 328 | 329 |
|
| 329 | 330 |
template <typename Digraph, typename Item, typename RefMap, typename It> |
| 330 | 331 |
class ItemCopy : public MapCopyBase<Digraph, Item, RefMap> {
|
| 331 | 332 |
public: |
| 332 | 333 |
|
| 333 |
ItemCopy( |
|
| 334 |
ItemCopy(const Item& item, It& it) : _item(item), _it(it) {}
|
|
| 334 | 335 |
|
| 335 | 336 |
virtual void copy(const Digraph&, const RefMap& refMap) {
|
| 336 | 337 |
_it = refMap[_item]; |
| 337 | 338 |
} |
| 338 | 339 |
|
| 339 | 340 |
private: |
| 341 |
Item _item; |
|
| 340 | 342 |
It& _it; |
| 341 |
Item _item; |
|
| 342 | 343 |
}; |
| 343 | 344 |
|
| 344 | 345 |
template <typename Digraph, typename Item, typename RefMap, typename Ref> |
| 345 | 346 |
class RefCopy : public MapCopyBase<Digraph, Item, RefMap> {
|
| 346 | 347 |
public: |
| 347 | 348 |
|
| 348 | 349 |
RefCopy(Ref& map) : _map(map) {}
|
| 349 | 350 |
|
| 350 | 351 |
virtual void copy(const Digraph& digraph, const RefMap& refMap) {
|
| 351 | 352 |
typedef typename ItemSetTraits<Digraph, Item>::ItemIt ItemIt; |
| 352 | 353 |
for (ItemIt it(digraph); it != INVALID; ++it) {
|
| 353 | 354 |
_map.set(it, refMap[it]); |
| 354 | 355 |
} |
| 355 | 356 |
} |
| 356 | 357 |
|
| 357 | 358 |
private: |
| 358 | 359 |
Ref& _map; |
| 359 | 360 |
}; |
| 360 | 361 |
|
| 361 | 362 |
template <typename Digraph, typename Item, typename RefMap, |
| 362 | 363 |
typename CrossRef> |
| 363 | 364 |
class CrossRefCopy : public MapCopyBase<Digraph, Item, RefMap> {
|
| 364 | 365 |
public: |
| 365 | 366 |
|
| 366 | 367 |
CrossRefCopy(CrossRef& cmap) : _cmap(cmap) {}
|
| 367 | 368 |
|
| 368 | 369 |
virtual void copy(const Digraph& digraph, const RefMap& refMap) {
|
| 369 | 370 |
typedef typename ItemSetTraits<Digraph, Item>::ItemIt ItemIt; |
| 370 | 371 |
for (ItemIt it(digraph); it != INVALID; ++it) {
|
| 371 | 372 |
_cmap.set(refMap[it], it); |
| 372 | 373 |
} |
| 373 | 374 |
} |
| 374 | 375 |
|
| 375 | 376 |
private: |
| 376 | 377 |
CrossRef& _cmap; |
| 377 | 378 |
}; |
| 378 | 379 |
|
| 379 | 380 |
template <typename Digraph, typename Enable = void> |
| 380 | 381 |
struct DigraphCopySelector {
|
| 381 | 382 |
template <typename From, typename NodeRefMap, typename ArcRefMap> |
| 382 |
static void copy( |
|
| 383 |
static void copy(const From& from, Digraph &to, |
|
| 383 | 384 |
NodeRefMap& nodeRefMap, ArcRefMap& arcRefMap) {
|
| 384 | 385 |
for (typename From::NodeIt it(from); it != INVALID; ++it) {
|
| 385 | 386 |
nodeRefMap[it] = to.addNode(); |
| 386 | 387 |
} |
| 387 | 388 |
for (typename From::ArcIt it(from); it != INVALID; ++it) {
|
| 388 | 389 |
arcRefMap[it] = to.addArc(nodeRefMap[from.source(it)], |
| 389 | 390 |
nodeRefMap[from.target(it)]); |
| 390 | 391 |
} |
| 391 | 392 |
} |
| 392 | 393 |
}; |
| 393 | 394 |
|
| 394 | 395 |
template <typename Digraph> |
| 395 | 396 |
struct DigraphCopySelector< |
| 396 | 397 |
Digraph, |
| 397 | 398 |
typename enable_if<typename Digraph::BuildTag, void>::type> |
| 398 | 399 |
{
|
| 399 | 400 |
template <typename From, typename NodeRefMap, typename ArcRefMap> |
| 400 |
static void copy( |
|
| 401 |
static void copy(const From& from, Digraph &to, |
|
| 401 | 402 |
NodeRefMap& nodeRefMap, ArcRefMap& arcRefMap) {
|
| 402 | 403 |
to.build(from, nodeRefMap, arcRefMap); |
| 403 | 404 |
} |
| 404 | 405 |
}; |
| 405 | 406 |
|
| 406 | 407 |
template <typename Graph, typename Enable = void> |
| 407 | 408 |
struct GraphCopySelector {
|
| 408 | 409 |
template <typename From, typename NodeRefMap, typename EdgeRefMap> |
| 409 |
static void copy( |
|
| 410 |
static void copy(const From& from, Graph &to, |
|
| 410 | 411 |
NodeRefMap& nodeRefMap, EdgeRefMap& edgeRefMap) {
|
| 411 | 412 |
for (typename From::NodeIt it(from); it != INVALID; ++it) {
|
| 412 | 413 |
nodeRefMap[it] = to.addNode(); |
| 413 | 414 |
} |
| 414 | 415 |
for (typename From::EdgeIt it(from); it != INVALID; ++it) {
|
| 415 | 416 |
edgeRefMap[it] = to.addEdge(nodeRefMap[from.u(it)], |
| 416 | 417 |
nodeRefMap[from.v(it)]); |
| 417 | 418 |
} |
| 418 | 419 |
} |
| 419 | 420 |
}; |
| 420 | 421 |
|
| 421 | 422 |
template <typename Graph> |
| 422 | 423 |
struct GraphCopySelector< |
| 423 | 424 |
Graph, |
| 424 | 425 |
typename enable_if<typename Graph::BuildTag, void>::type> |
| 425 | 426 |
{
|
| 426 | 427 |
template <typename From, typename NodeRefMap, typename EdgeRefMap> |
| 427 |
static void copy( |
|
| 428 |
static void copy(const From& from, Graph &to, |
|
| 428 | 429 |
NodeRefMap& nodeRefMap, EdgeRefMap& edgeRefMap) {
|
| 429 | 430 |
to.build(from, nodeRefMap, edgeRefMap); |
| 430 | 431 |
} |
| 431 | 432 |
}; |
| 432 | 433 |
|
| 433 | 434 |
} |
| 434 | 435 |
|
| 435 | 436 |
/// \brief Class to copy a digraph. |
| 436 | 437 |
/// |
| 437 | 438 |
/// Class to copy a digraph to another digraph (duplicate a digraph). The |
| 438 |
/// simplest way of using it is through the \c |
|
| 439 |
/// simplest way of using it is through the \c digraphCopy() function. |
|
| 439 | 440 |
/// |
| 440 |
/// This class not |
|
| 441 |
/// This class not only make a copy of a digraph, but it can create |
|
| 441 | 442 |
/// references and cross references between the nodes and arcs of |
| 442 |
/// the two graphs, it can copy maps for use with the newly created |
|
| 443 |
/// graph and copy nodes and arcs. |
|
| 443 |
/// the two digraphs, and it can copy maps to use with the newly created |
|
| 444 |
/// digraph. |
|
| 444 | 445 |
/// |
| 445 |
/// To make a copy from a graph, first an instance of DigraphCopy |
|
| 446 |
/// should be created, then the data belongs to the graph should |
|
| 446 |
/// To make a copy from a digraph, first an instance of DigraphCopy |
|
| 447 |
/// should be created, then the data belongs to the digraph should |
|
| 447 | 448 |
/// assigned to copy. In the end, the \c run() member should be |
| 448 | 449 |
/// called. |
| 449 | 450 |
/// |
| 450 |
/// The next code copies a |
|
| 451 |
/// The next code copies a digraph with several data: |
|
| 451 | 452 |
///\code |
| 452 |
/// DigraphCopy<NewGraph, OrigGraph> dc(new_graph, orig_graph); |
|
| 453 |
/// // create a reference for the nodes |
|
| 453 |
/// DigraphCopy<OrigGraph, NewGraph> cg(orig_graph, new_graph); |
|
| 454 |
/// // Create references for the nodes |
|
| 454 | 455 |
/// OrigGraph::NodeMap<NewGraph::Node> nr(orig_graph); |
| 455 |
/// dc.nodeRef(nr); |
|
| 456 |
/// // create a cross reference (inverse) for the arcs |
|
| 456 |
/// cg.nodeRef(nr); |
|
| 457 |
/// // Create cross references (inverse) for the arcs |
|
| 457 | 458 |
/// NewGraph::ArcMap<OrigGraph::Arc> acr(new_graph); |
| 458 |
/// dc.arcCrossRef(acr); |
|
| 459 |
/// // copy an arc map |
|
| 459 |
/// cg.arcCrossRef(acr); |
|
| 460 |
/// // Copy an arc map |
|
| 460 | 461 |
/// OrigGraph::ArcMap<double> oamap(orig_graph); |
| 461 | 462 |
/// NewGraph::ArcMap<double> namap(new_graph); |
| 462 |
/// dc.arcMap(namap, oamap); |
|
| 463 |
/// // copy a node |
|
| 463 |
/// cg.arcMap(oamap, namap); |
|
| 464 |
/// // Copy a node |
|
| 464 | 465 |
/// OrigGraph::Node on; |
| 465 | 466 |
/// NewGraph::Node nn; |
| 466 |
/// dc.node(nn, on); |
|
| 467 |
/// // Executions of copy |
|
| 468 |
/// |
|
| 467 |
/// cg.node(on, nn); |
|
| 468 |
/// // Execute copying |
|
| 469 |
/// cg.run(); |
|
| 469 | 470 |
///\endcode |
| 470 |
template <typename |
|
| 471 |
template <typename From, typename To> |
|
| 471 | 472 |
class DigraphCopy {
|
| 472 | 473 |
private: |
| 473 | 474 |
|
| 474 | 475 |
typedef typename From::Node Node; |
| 475 | 476 |
typedef typename From::NodeIt NodeIt; |
| 476 | 477 |
typedef typename From::Arc Arc; |
| 477 | 478 |
typedef typename From::ArcIt ArcIt; |
| 478 | 479 |
|
| 479 | 480 |
typedef typename To::Node TNode; |
| 480 | 481 |
typedef typename To::Arc TArc; |
| 481 | 482 |
|
| 482 | 483 |
typedef typename From::template NodeMap<TNode> NodeRefMap; |
| 483 | 484 |
typedef typename From::template ArcMap<TArc> ArcRefMap; |
| 484 | 485 |
|
| 485 |
|
|
| 486 | 486 |
public: |
| 487 | 487 |
|
| 488 |
|
|
| 489 |
/// \brief Constructor for the DigraphCopy. |
|
| 488 |
/// \brief Constructor of DigraphCopy. |
|
| 490 | 489 |
/// |
| 491 |
/// It copies the content of the \c _from digraph into the |
|
| 492 |
/// \c _to digraph. |
|
| 493 |
|
|
| 490 |
/// Constructor of DigraphCopy for copying the content of the |
|
| 491 |
/// \c from digraph into the \c to digraph. |
|
| 492 |
DigraphCopy(const From& from, To& to) |
|
| 494 | 493 |
: _from(from), _to(to) {}
|
| 495 | 494 |
|
| 496 |
/// \brief Destructor of |
|
| 495 |
/// \brief Destructor of DigraphCopy |
|
| 497 | 496 |
/// |
| 498 |
/// Destructor of |
|
| 497 |
/// Destructor of DigraphCopy. |
|
| 499 | 498 |
~DigraphCopy() {
|
| 500 | 499 |
for (int i = 0; i < int(_node_maps.size()); ++i) {
|
| 501 | 500 |
delete _node_maps[i]; |
| 502 | 501 |
} |
| 503 | 502 |
for (int i = 0; i < int(_arc_maps.size()); ++i) {
|
| 504 | 503 |
delete _arc_maps[i]; |
| 505 | 504 |
} |
| 506 | 505 |
|
| 507 | 506 |
} |
| 508 | 507 |
|
| 509 |
/// \brief |
|
| 508 |
/// \brief Copy the node references into the given map. |
|
| 510 | 509 |
/// |
| 511 |
/// Copies the node references into the given map. The parameter |
|
| 512 |
/// should be a map, which key type is the Node type of the source |
|
| 513 |
/// graph, while the value type is the Node type of the |
|
| 514 |
/// destination graph. |
|
| 510 |
/// This function copies the node references into the given map. |
|
| 511 |
/// The parameter should be a map, whose key type is the Node type of |
|
| 512 |
/// the source digraph, while the value type is the Node type of the |
|
| 513 |
/// destination digraph. |
|
| 515 | 514 |
template <typename NodeRef> |
| 516 | 515 |
DigraphCopy& nodeRef(NodeRef& map) {
|
| 517 | 516 |
_node_maps.push_back(new _core_bits::RefCopy<From, Node, |
| 518 | 517 |
NodeRefMap, NodeRef>(map)); |
| 519 | 518 |
return *this; |
| 520 | 519 |
} |
| 521 | 520 |
|
| 522 |
/// \brief |
|
| 521 |
/// \brief Copy the node cross references into the given map. |
|
| 523 | 522 |
/// |
| 524 |
/// Copies the node cross references (reverse references) into |
|
| 525 |
/// the given map. The parameter should be a map, which key type |
|
| 526 |
/// is the Node type of the destination graph, while the value type is |
|
| 527 |
/// the Node type of the source graph. |
|
| 523 |
/// This function copies the node cross references (reverse references) |
|
| 524 |
/// into the given map. The parameter should be a map, whose key type |
|
| 525 |
/// is the Node type of the destination digraph, while the value type is |
|
| 526 |
/// the Node type of the source digraph. |
|
| 528 | 527 |
template <typename NodeCrossRef> |
| 529 | 528 |
DigraphCopy& nodeCrossRef(NodeCrossRef& map) {
|
| 530 | 529 |
_node_maps.push_back(new _core_bits::CrossRefCopy<From, Node, |
| 531 | 530 |
NodeRefMap, NodeCrossRef>(map)); |
| 532 | 531 |
return *this; |
| 533 | 532 |
} |
| 534 | 533 |
|
| 535 |
/// \brief Make copy of the given map. |
|
| 534 |
/// \brief Make a copy of the given node map. |
|
| 536 | 535 |
/// |
| 537 |
/// Makes copy of the given map for the newly created digraph. |
|
| 538 |
/// The new map's key type is the destination graph's node type, |
|
| 539 |
/// and the copied map's key type is the source graph's node type. |
|
| 540 |
template <typename ToMap, typename FromMap> |
|
| 541 |
|
|
| 536 |
/// This function makes a copy of the given node map for the newly |
|
| 537 |
/// created digraph. |
|
| 538 |
/// The key type of the new map \c tmap should be the Node type of the |
|
| 539 |
/// destination digraph, and the key type of the original map \c map |
|
| 540 |
/// should be the Node type of the source digraph. |
|
| 541 |
template <typename FromMap, typename ToMap> |
|
| 542 |
DigraphCopy& nodeMap(const FromMap& map, ToMap& tmap) {
|
|
| 542 | 543 |
_node_maps.push_back(new _core_bits::MapCopy<From, Node, |
| 543 |
NodeRefMap, |
|
| 544 |
NodeRefMap, FromMap, ToMap>(map, tmap)); |
|
| 544 | 545 |
return *this; |
| 545 | 546 |
} |
| 546 | 547 |
|
| 547 | 548 |
/// \brief Make a copy of the given node. |
| 548 | 549 |
/// |
| 549 |
/// Make a copy of the given node. |
|
| 550 |
DigraphCopy& node(TNode& tnode, const Node& snode) {
|
|
| 550 |
/// This function makes a copy of the given node. |
|
| 551 |
DigraphCopy& node(const Node& node, TNode& tnode) {
|
|
| 551 | 552 |
_node_maps.push_back(new _core_bits::ItemCopy<From, Node, |
| 552 |
NodeRefMap, TNode>( |
|
| 553 |
NodeRefMap, TNode>(node, tnode)); |
|
| 553 | 554 |
return *this; |
| 554 | 555 |
} |
| 555 | 556 |
|
| 556 |
/// \brief |
|
| 557 |
/// \brief Copy the arc references into the given map. |
|
| 557 | 558 |
/// |
| 558 |
/// |
|
| 559 |
/// This function copies the arc references into the given map. |
|
| 560 |
/// The parameter should be a map, whose key type is the Arc type of |
|
| 561 |
/// the source digraph, while the value type is the Arc type of the |
|
| 562 |
/// destination digraph. |
|
| 559 | 563 |
template <typename ArcRef> |
| 560 | 564 |
DigraphCopy& arcRef(ArcRef& map) {
|
| 561 | 565 |
_arc_maps.push_back(new _core_bits::RefCopy<From, Arc, |
| 562 | 566 |
ArcRefMap, ArcRef>(map)); |
| 563 | 567 |
return *this; |
| 564 | 568 |
} |
| 565 | 569 |
|
| 566 |
/// \brief |
|
| 570 |
/// \brief Copy the arc cross references into the given map. |
|
| 567 | 571 |
/// |
| 568 |
/// Copies the arc cross references (reverse references) into |
|
| 569 |
/// the given map. |
|
| 572 |
/// This function copies the arc cross references (reverse references) |
|
| 573 |
/// into the given map. The parameter should be a map, whose key type |
|
| 574 |
/// is the Arc type of the destination digraph, while the value type is |
|
| 575 |
/// the Arc type of the source digraph. |
|
| 570 | 576 |
template <typename ArcCrossRef> |
| 571 | 577 |
DigraphCopy& arcCrossRef(ArcCrossRef& map) {
|
| 572 | 578 |
_arc_maps.push_back(new _core_bits::CrossRefCopy<From, Arc, |
| 573 | 579 |
ArcRefMap, ArcCrossRef>(map)); |
| 574 | 580 |
return *this; |
| 575 | 581 |
} |
| 576 | 582 |
|
| 577 |
/// \brief Make copy of the given map. |
|
| 583 |
/// \brief Make a copy of the given arc map. |
|
| 578 | 584 |
/// |
| 579 |
/// Makes copy of the given map for the newly created digraph. |
|
| 580 |
/// The new map's key type is the to digraph's arc type, |
|
| 581 |
/// and the copied map's key type is the from digraph's arc |
|
| 582 |
/// type. |
|
| 583 |
template <typename ToMap, typename FromMap> |
|
| 584 |
DigraphCopy& arcMap(ToMap& tmap, const FromMap& map) {
|
|
| 585 |
/// This function makes a copy of the given arc map for the newly |
|
| 586 |
/// created digraph. |
|
| 587 |
/// The key type of the new map \c tmap should be the Arc type of the |
|
| 588 |
/// destination digraph, and the key type of the original map \c map |
|
| 589 |
/// should be the Arc type of the source digraph. |
|
| 590 |
template <typename FromMap, typename ToMap> |
|
| 591 |
DigraphCopy& arcMap(const FromMap& map, ToMap& tmap) {
|
|
| 585 | 592 |
_arc_maps.push_back(new _core_bits::MapCopy<From, Arc, |
| 586 |
ArcRefMap, |
|
| 593 |
ArcRefMap, FromMap, ToMap>(map, tmap)); |
|
| 587 | 594 |
return *this; |
| 588 | 595 |
} |
| 589 | 596 |
|
| 590 | 597 |
/// \brief Make a copy of the given arc. |
| 591 | 598 |
/// |
| 592 |
/// Make a copy of the given arc. |
|
| 593 |
DigraphCopy& arc(TArc& tarc, const Arc& sarc) {
|
|
| 599 |
/// This function makes a copy of the given arc. |
|
| 600 |
DigraphCopy& arc(const Arc& arc, TArc& tarc) {
|
|
| 594 | 601 |
_arc_maps.push_back(new _core_bits::ItemCopy<From, Arc, |
| 595 |
ArcRefMap, TArc>( |
|
| 602 |
ArcRefMap, TArc>(arc, tarc)); |
|
| 596 | 603 |
return *this; |
| 597 | 604 |
} |
| 598 | 605 |
|
| 599 |
/// \brief |
|
| 606 |
/// \brief Execute copying. |
|
| 600 | 607 |
/// |
| 601 |
/// |
|
| 608 |
/// This function executes the copying of the digraph along with the |
|
| 609 |
/// copying of the assigned data. |
|
| 602 | 610 |
void run() {
|
| 603 | 611 |
NodeRefMap nodeRefMap(_from); |
| 604 | 612 |
ArcRefMap arcRefMap(_from); |
| 605 | 613 |
_core_bits::DigraphCopySelector<To>:: |
| 606 |
copy( |
|
| 614 |
copy(_from, _to, nodeRefMap, arcRefMap); |
|
| 607 | 615 |
for (int i = 0; i < int(_node_maps.size()); ++i) {
|
| 608 | 616 |
_node_maps[i]->copy(_from, nodeRefMap); |
| 609 | 617 |
} |
| 610 | 618 |
for (int i = 0; i < int(_arc_maps.size()); ++i) {
|
| 611 | 619 |
_arc_maps[i]->copy(_from, arcRefMap); |
| 612 | 620 |
} |
| 613 | 621 |
} |
| 614 | 622 |
|
| 615 | 623 |
protected: |
| 616 | 624 |
|
| 617 |
|
|
| 618 | 625 |
const From& _from; |
| 619 | 626 |
To& _to; |
| 620 | 627 |
|
| 621 | 628 |
std::vector<_core_bits::MapCopyBase<From, Node, NodeRefMap>* > |
| 622 |
_node_maps; |
|
| 629 |
_node_maps; |
|
| 623 | 630 |
|
| 624 | 631 |
std::vector<_core_bits::MapCopyBase<From, Arc, ArcRefMap>* > |
| 625 |
_arc_maps; |
|
| 632 |
_arc_maps; |
|
| 626 | 633 |
|
| 627 | 634 |
}; |
| 628 | 635 |
|
| 629 | 636 |
/// \brief Copy a digraph to another digraph. |
| 630 | 637 |
/// |
| 631 |
/// Copy a digraph to another digraph. The complete usage of the |
|
| 632 |
/// function is detailed in the DigraphCopy class, but a short |
|
| 633 |
/// |
|
| 638 |
/// This function copies a digraph to another digraph. |
|
| 639 |
/// The complete usage of it is detailed in the DigraphCopy class, but |
|
| 640 |
/// a short example shows a basic work: |
|
| 634 | 641 |
///\code |
| 635 |
/// |
|
| 642 |
/// digraphCopy(src, trg).nodeRef(nr).arcCrossRef(acr).run(); |
|
| 636 | 643 |
///\endcode |
| 637 | 644 |
/// |
| 638 | 645 |
/// After the copy the \c nr map will contain the mapping from the |
| 639 | 646 |
/// nodes of the \c from digraph to the nodes of the \c to digraph and |
| 640 |
/// \c |
|
| 647 |
/// \c acr will contain the mapping from the arcs of the \c to digraph |
|
| 641 | 648 |
/// to the arcs of the \c from digraph. |
| 642 | 649 |
/// |
| 643 | 650 |
/// \see DigraphCopy |
| 644 |
template <typename To, typename From> |
|
| 645 |
DigraphCopy<To, From> copyDigraph(To& to, const From& from) {
|
|
| 646 |
|
|
| 651 |
template <typename From, typename To> |
|
| 652 |
DigraphCopy<From, To> digraphCopy(const From& from, To& to) {
|
|
| 653 |
return DigraphCopy<From, To>(from, to); |
|
| 647 | 654 |
} |
| 648 | 655 |
|
| 649 | 656 |
/// \brief Class to copy a graph. |
| 650 | 657 |
/// |
| 651 | 658 |
/// Class to copy a graph to another graph (duplicate a graph). The |
| 652 |
/// simplest way of using it is through the \c |
|
| 659 |
/// simplest way of using it is through the \c graphCopy() function. |
|
| 653 | 660 |
/// |
| 654 |
/// This class not |
|
| 661 |
/// This class not only make a copy of a graph, but it can create |
|
| 655 | 662 |
/// references and cross references between the nodes, edges and arcs of |
| 656 |
/// the two graphs, it can copy maps for use with the newly created |
|
| 657 |
/// graph and copy nodes, edges and arcs. |
|
| 663 |
/// the two graphs, and it can copy maps for using with the newly created |
|
| 664 |
/// graph. |
|
| 658 | 665 |
/// |
| 659 | 666 |
/// To make a copy from a graph, first an instance of GraphCopy |
| 660 | 667 |
/// should be created, then the data belongs to the graph should |
| 661 | 668 |
/// assigned to copy. In the end, the \c run() member should be |
| 662 | 669 |
/// called. |
| 663 | 670 |
/// |
| 664 | 671 |
/// The next code copies a graph with several data: |
| 665 | 672 |
///\code |
| 666 |
/// GraphCopy<NewGraph, OrigGraph> dc(new_graph, orig_graph); |
|
| 667 |
/// // create a reference for the nodes |
|
| 673 |
/// GraphCopy<OrigGraph, NewGraph> cg(orig_graph, new_graph); |
|
| 674 |
/// // Create references for the nodes |
|
| 668 | 675 |
/// OrigGraph::NodeMap<NewGraph::Node> nr(orig_graph); |
| 669 |
/// dc.nodeRef(nr); |
|
| 670 |
/// // create a cross reference (inverse) for the edges |
|
| 671 |
/// NewGraph::EdgeMap<OrigGraph::Arc> ecr(new_graph); |
|
| 672 |
/// dc.edgeCrossRef(ecr); |
|
| 673 |
/// // copy an arc map |
|
| 674 |
/// OrigGraph::ArcMap<double> oamap(orig_graph); |
|
| 675 |
/// NewGraph::ArcMap<double> namap(new_graph); |
|
| 676 |
/// dc.arcMap(namap, oamap); |
|
| 677 |
/// |
|
| 676 |
/// cg.nodeRef(nr); |
|
| 677 |
/// // Create cross references (inverse) for the edges |
|
| 678 |
/// NewGraph::EdgeMap<OrigGraph::Edge> ecr(new_graph); |
|
| 679 |
/// cg.edgeCrossRef(ecr); |
|
| 680 |
/// // Copy an edge map |
|
| 681 |
/// OrigGraph::EdgeMap<double> oemap(orig_graph); |
|
| 682 |
/// NewGraph::EdgeMap<double> nemap(new_graph); |
|
| 683 |
/// cg.edgeMap(oemap, nemap); |
|
| 684 |
/// // Copy a node |
|
| 678 | 685 |
/// OrigGraph::Node on; |
| 679 | 686 |
/// NewGraph::Node nn; |
| 680 |
/// dc.node(nn, on); |
|
| 681 |
/// // Executions of copy |
|
| 682 |
/// |
|
| 687 |
/// cg.node(on, nn); |
|
| 688 |
/// // Execute copying |
|
| 689 |
/// cg.run(); |
|
| 683 | 690 |
///\endcode |
| 684 |
template <typename |
|
| 691 |
template <typename From, typename To> |
|
| 685 | 692 |
class GraphCopy {
|
| 686 | 693 |
private: |
| 687 | 694 |
|
| 688 | 695 |
typedef typename From::Node Node; |
| 689 | 696 |
typedef typename From::NodeIt NodeIt; |
| 690 | 697 |
typedef typename From::Arc Arc; |
| 691 | 698 |
typedef typename From::ArcIt ArcIt; |
| 692 | 699 |
typedef typename From::Edge Edge; |
| 693 | 700 |
typedef typename From::EdgeIt EdgeIt; |
| 694 | 701 |
|
| 695 | 702 |
typedef typename To::Node TNode; |
| 696 | 703 |
typedef typename To::Arc TArc; |
| 697 | 704 |
typedef typename To::Edge TEdge; |
| 698 | 705 |
|
| 699 | 706 |
typedef typename From::template NodeMap<TNode> NodeRefMap; |
| 700 | 707 |
typedef typename From::template EdgeMap<TEdge> EdgeRefMap; |
| 701 | 708 |
|
| 702 | 709 |
struct ArcRefMap {
|
| 703 |
ArcRefMap(const To& to, |
|
| 710 |
ArcRefMap(const From& from, const To& to, |
|
| 704 | 711 |
const EdgeRefMap& edge_ref, const NodeRefMap& node_ref) |
| 705 |
: _to(to), |
|
| 712 |
: _from(from), _to(to), |
|
| 706 | 713 |
_edge_ref(edge_ref), _node_ref(node_ref) {}
|
| 707 | 714 |
|
| 708 | 715 |
typedef typename From::Arc Key; |
| 709 | 716 |
typedef typename To::Arc Value; |
| 710 | 717 |
|
| 711 | 718 |
Value operator[](const Key& key) const {
|
| 712 | 719 |
bool forward = _from.u(key) != _from.v(key) ? |
| 713 | 720 |
_node_ref[_from.source(key)] == |
| 714 | 721 |
_to.source(_to.direct(_edge_ref[key], true)) : |
| 715 | 722 |
_from.direction(key); |
| 716 | 723 |
return _to.direct(_edge_ref[key], forward); |
| 717 | 724 |
} |
| 718 | 725 |
|
| 726 |
const From& _from; |
|
| 719 | 727 |
const To& _to; |
| 720 |
const From& _from; |
|
| 721 | 728 |
const EdgeRefMap& _edge_ref; |
| 722 | 729 |
const NodeRefMap& _node_ref; |
| 723 | 730 |
}; |
| 724 | 731 |
|
| 725 |
|
|
| 726 | 732 |
public: |
| 727 | 733 |
|
| 728 |
|
|
| 729 |
/// \brief Constructor for the GraphCopy. |
|
| 734 |
/// \brief Constructor of GraphCopy. |
|
| 730 | 735 |
/// |
| 731 |
/// It copies the content of the \c _from graph into the |
|
| 732 |
/// \c _to graph. |
|
| 733 |
|
|
| 736 |
/// Constructor of GraphCopy for copying the content of the |
|
| 737 |
/// \c from graph into the \c to graph. |
|
| 738 |
GraphCopy(const From& from, To& to) |
|
| 734 | 739 |
: _from(from), _to(to) {}
|
| 735 | 740 |
|
| 736 |
/// \brief Destructor of |
|
| 741 |
/// \brief Destructor of GraphCopy |
|
| 737 | 742 |
/// |
| 738 |
/// Destructor of |
|
| 743 |
/// Destructor of GraphCopy. |
|
| 739 | 744 |
~GraphCopy() {
|
| 740 | 745 |
for (int i = 0; i < int(_node_maps.size()); ++i) {
|
| 741 | 746 |
delete _node_maps[i]; |
| 742 | 747 |
} |
| 743 | 748 |
for (int i = 0; i < int(_arc_maps.size()); ++i) {
|
| 744 | 749 |
delete _arc_maps[i]; |
| 745 | 750 |
} |
| 746 | 751 |
for (int i = 0; i < int(_edge_maps.size()); ++i) {
|
| 747 | 752 |
delete _edge_maps[i]; |
| 748 | 753 |
} |
| 749 |
|
|
| 750 | 754 |
} |
| 751 | 755 |
|
| 752 |
/// \brief |
|
| 756 |
/// \brief Copy the node references into the given map. |
|
| 753 | 757 |
/// |
| 754 |
/// |
|
| 758 |
/// This function copies the node references into the given map. |
|
| 759 |
/// The parameter should be a map, whose key type is the Node type of |
|
| 760 |
/// the source graph, while the value type is the Node type of the |
|
| 761 |
/// destination graph. |
|
| 755 | 762 |
template <typename NodeRef> |
| 756 | 763 |
GraphCopy& nodeRef(NodeRef& map) {
|
| 757 | 764 |
_node_maps.push_back(new _core_bits::RefCopy<From, Node, |
| 758 | 765 |
NodeRefMap, NodeRef>(map)); |
| 759 | 766 |
return *this; |
| 760 | 767 |
} |
| 761 | 768 |
|
| 762 |
/// \brief |
|
| 769 |
/// \brief Copy the node cross references into the given map. |
|
| 763 | 770 |
/// |
| 764 |
/// Copies the node cross references (reverse references) into |
|
| 765 |
/// the given map. |
|
| 771 |
/// This function copies the node cross references (reverse references) |
|
| 772 |
/// into the given map. The parameter should be a map, whose key type |
|
| 773 |
/// is the Node type of the destination graph, while the value type is |
|
| 774 |
/// the Node type of the source graph. |
|
| 766 | 775 |
template <typename NodeCrossRef> |
| 767 | 776 |
GraphCopy& nodeCrossRef(NodeCrossRef& map) {
|
| 768 | 777 |
_node_maps.push_back(new _core_bits::CrossRefCopy<From, Node, |
| 769 | 778 |
NodeRefMap, NodeCrossRef>(map)); |
| 770 | 779 |
return *this; |
| 771 | 780 |
} |
| 772 | 781 |
|
| 773 |
/// \brief Make copy of the given map. |
|
| 782 |
/// \brief Make a copy of the given node map. |
|
| 774 | 783 |
/// |
| 775 |
/// Makes copy of the given map for the newly created graph. |
|
| 776 |
/// The new map's key type is the to graph's node type, |
|
| 777 |
/// and the copied map's key type is the from graph's node |
|
| 778 |
/// type. |
|
| 779 |
template <typename ToMap, typename FromMap> |
|
| 780 |
GraphCopy& nodeMap(ToMap& tmap, const FromMap& map) {
|
|
| 784 |
/// This function makes a copy of the given node map for the newly |
|
| 785 |
/// created graph. |
|
| 786 |
/// The key type of the new map \c tmap should be the Node type of the |
|
| 787 |
/// destination graph, and the key type of the original map \c map |
|
| 788 |
/// should be the Node type of the source graph. |
|
| 789 |
template <typename FromMap, typename ToMap> |
|
| 790 |
GraphCopy& nodeMap(const FromMap& map, ToMap& tmap) {
|
|
| 781 | 791 |
_node_maps.push_back(new _core_bits::MapCopy<From, Node, |
| 782 |
NodeRefMap, |
|
| 792 |
NodeRefMap, FromMap, ToMap>(map, tmap)); |
|
| 783 | 793 |
return *this; |
| 784 | 794 |
} |
| 785 | 795 |
|
| 786 | 796 |
/// \brief Make a copy of the given node. |
| 787 | 797 |
/// |
| 788 |
/// Make a copy of the given node. |
|
| 789 |
GraphCopy& node(TNode& tnode, const Node& snode) {
|
|
| 798 |
/// This function makes a copy of the given node. |
|
| 799 |
GraphCopy& node(const Node& node, TNode& tnode) {
|
|
| 790 | 800 |
_node_maps.push_back(new _core_bits::ItemCopy<From, Node, |
| 791 |
NodeRefMap, TNode>( |
|
| 801 |
NodeRefMap, TNode>(node, tnode)); |
|
| 792 | 802 |
return *this; |
| 793 | 803 |
} |
| 794 | 804 |
|
| 795 |
/// \brief |
|
| 805 |
/// \brief Copy the arc references into the given map. |
|
| 796 | 806 |
/// |
| 797 |
/// |
|
| 807 |
/// This function copies the arc references into the given map. |
|
| 808 |
/// The parameter should be a map, whose key type is the Arc type of |
|
| 809 |
/// the source graph, while the value type is the Arc type of the |
|
| 810 |
/// destination graph. |
|
| 798 | 811 |
template <typename ArcRef> |
| 799 | 812 |
GraphCopy& arcRef(ArcRef& map) {
|
| 800 | 813 |
_arc_maps.push_back(new _core_bits::RefCopy<From, Arc, |
| 801 | 814 |
ArcRefMap, ArcRef>(map)); |
| 802 | 815 |
return *this; |
| 803 | 816 |
} |
| 804 | 817 |
|
| 805 |
/// \brief |
|
| 818 |
/// \brief Copy the arc cross references into the given map. |
|
| 806 | 819 |
/// |
| 807 |
/// Copies the arc cross references (reverse references) into |
|
| 808 |
/// the given map. |
|
| 820 |
/// This function copies the arc cross references (reverse references) |
|
| 821 |
/// into the given map. The parameter should be a map, whose key type |
|
| 822 |
/// is the Arc type of the destination graph, while the value type is |
|
| 823 |
/// the Arc type of the source graph. |
|
| 809 | 824 |
template <typename ArcCrossRef> |
| 810 | 825 |
GraphCopy& arcCrossRef(ArcCrossRef& map) {
|
| 811 | 826 |
_arc_maps.push_back(new _core_bits::CrossRefCopy<From, Arc, |
| 812 | 827 |
ArcRefMap, ArcCrossRef>(map)); |
| 813 | 828 |
return *this; |
| 814 | 829 |
} |
| 815 | 830 |
|
| 816 |
/// \brief Make copy of the given map. |
|
| 831 |
/// \brief Make a copy of the given arc map. |
|
| 817 | 832 |
/// |
| 818 |
/// Makes copy of the given map for the newly created graph. |
|
| 819 |
/// The new map's key type is the to graph's arc type, |
|
| 820 |
/// and the copied map's key type is the from graph's arc |
|
| 821 |
/// type. |
|
| 822 |
template <typename ToMap, typename FromMap> |
|
| 823 |
GraphCopy& arcMap(ToMap& tmap, const FromMap& map) {
|
|
| 833 |
/// This function makes a copy of the given arc map for the newly |
|
| 834 |
/// created graph. |
|
| 835 |
/// The key type of the new map \c tmap should be the Arc type of the |
|
| 836 |
/// destination graph, and the key type of the original map \c map |
|
| 837 |
/// should be the Arc type of the source graph. |
|
| 838 |
template <typename FromMap, typename ToMap> |
|
| 839 |
GraphCopy& arcMap(const FromMap& map, ToMap& tmap) {
|
|
| 824 | 840 |
_arc_maps.push_back(new _core_bits::MapCopy<From, Arc, |
| 825 |
ArcRefMap, |
|
| 841 |
ArcRefMap, FromMap, ToMap>(map, tmap)); |
|
| 826 | 842 |
return *this; |
| 827 | 843 |
} |
| 828 | 844 |
|
| 829 | 845 |
/// \brief Make a copy of the given arc. |
| 830 | 846 |
/// |
| 831 |
/// Make a copy of the given arc. |
|
| 832 |
GraphCopy& arc(TArc& tarc, const Arc& sarc) {
|
|
| 847 |
/// This function makes a copy of the given arc. |
|
| 848 |
GraphCopy& arc(const Arc& arc, TArc& tarc) {
|
|
| 833 | 849 |
_arc_maps.push_back(new _core_bits::ItemCopy<From, Arc, |
| 834 |
ArcRefMap, TArc>( |
|
| 850 |
ArcRefMap, TArc>(arc, tarc)); |
|
| 835 | 851 |
return *this; |
| 836 | 852 |
} |
| 837 | 853 |
|
| 838 |
/// \brief |
|
| 854 |
/// \brief Copy the edge references into the given map. |
|
| 839 | 855 |
/// |
| 840 |
/// |
|
| 856 |
/// This function copies the edge references into the given map. |
|
| 857 |
/// The parameter should be a map, whose key type is the Edge type of |
|
| 858 |
/// the source graph, while the value type is the Edge type of the |
|
| 859 |
/// destination graph. |
|
| 841 | 860 |
template <typename EdgeRef> |
| 842 | 861 |
GraphCopy& edgeRef(EdgeRef& map) {
|
| 843 | 862 |
_edge_maps.push_back(new _core_bits::RefCopy<From, Edge, |
| 844 | 863 |
EdgeRefMap, EdgeRef>(map)); |
| 845 | 864 |
return *this; |
| 846 | 865 |
} |
| 847 | 866 |
|
| 848 |
/// \brief |
|
| 867 |
/// \brief Copy the edge cross references into the given map. |
|
| 849 | 868 |
/// |
| 850 |
/// Copies the edge cross references (reverse |
|
| 851 |
/// references) into the given map. |
|
| 869 |
/// This function copies the edge cross references (reverse references) |
|
| 870 |
/// into the given map. The parameter should be a map, whose key type |
|
| 871 |
/// is the Edge type of the destination graph, while the value type is |
|
| 872 |
/// the Edge type of the source graph. |
|
| 852 | 873 |
template <typename EdgeCrossRef> |
| 853 | 874 |
GraphCopy& edgeCrossRef(EdgeCrossRef& map) {
|
| 854 | 875 |
_edge_maps.push_back(new _core_bits::CrossRefCopy<From, |
| 855 | 876 |
Edge, EdgeRefMap, EdgeCrossRef>(map)); |
| 856 | 877 |
return *this; |
| 857 | 878 |
} |
| 858 | 879 |
|
| 859 |
/// \brief Make copy of the given map. |
|
| 880 |
/// \brief Make a copy of the given edge map. |
|
| 860 | 881 |
/// |
| 861 |
/// Makes copy of the given map for the newly created graph. |
|
| 862 |
/// The new map's key type is the to graph's edge type, |
|
| 863 |
/// and the copied map's key type is the from graph's edge |
|
| 864 |
/// type. |
|
| 865 |
template <typename ToMap, typename FromMap> |
|
| 866 |
GraphCopy& edgeMap(ToMap& tmap, const FromMap& map) {
|
|
| 882 |
/// This function makes a copy of the given edge map for the newly |
|
| 883 |
/// created graph. |
|
| 884 |
/// The key type of the new map \c tmap should be the Edge type of the |
|
| 885 |
/// destination graph, and the key type of the original map \c map |
|
| 886 |
/// should be the Edge type of the source graph. |
|
| 887 |
template <typename FromMap, typename ToMap> |
|
| 888 |
GraphCopy& edgeMap(const FromMap& map, ToMap& tmap) {
|
|
| 867 | 889 |
_edge_maps.push_back(new _core_bits::MapCopy<From, Edge, |
| 868 |
EdgeRefMap, |
|
| 890 |
EdgeRefMap, FromMap, ToMap>(map, tmap)); |
|
| 869 | 891 |
return *this; |
| 870 | 892 |
} |
| 871 | 893 |
|
| 872 | 894 |
/// \brief Make a copy of the given edge. |
| 873 | 895 |
/// |
| 874 |
/// Make a copy of the given edge. |
|
| 875 |
GraphCopy& edge(TEdge& tedge, const Edge& sedge) {
|
|
| 896 |
/// This function makes a copy of the given edge. |
|
| 897 |
GraphCopy& edge(const Edge& edge, TEdge& tedge) {
|
|
| 876 | 898 |
_edge_maps.push_back(new _core_bits::ItemCopy<From, Edge, |
| 877 |
EdgeRefMap, TEdge>( |
|
| 899 |
EdgeRefMap, TEdge>(edge, tedge)); |
|
| 878 | 900 |
return *this; |
| 879 | 901 |
} |
| 880 | 902 |
|
| 881 |
/// \brief |
|
| 903 |
/// \brief Execute copying. |
|
| 882 | 904 |
/// |
| 883 |
/// |
|
| 905 |
/// This function executes the copying of the graph along with the |
|
| 906 |
/// copying of the assigned data. |
|
| 884 | 907 |
void run() {
|
| 885 | 908 |
NodeRefMap nodeRefMap(_from); |
| 886 | 909 |
EdgeRefMap edgeRefMap(_from); |
| 887 |
ArcRefMap arcRefMap( |
|
| 910 |
ArcRefMap arcRefMap(_from, _to, edgeRefMap, nodeRefMap); |
|
| 888 | 911 |
_core_bits::GraphCopySelector<To>:: |
| 889 |
copy( |
|
| 912 |
copy(_from, _to, nodeRefMap, edgeRefMap); |
|
| 890 | 913 |
for (int i = 0; i < int(_node_maps.size()); ++i) {
|
| 891 | 914 |
_node_maps[i]->copy(_from, nodeRefMap); |
| 892 | 915 |
} |
| 893 | 916 |
for (int i = 0; i < int(_edge_maps.size()); ++i) {
|
| 894 | 917 |
_edge_maps[i]->copy(_from, edgeRefMap); |
| 895 | 918 |
} |
| 896 | 919 |
for (int i = 0; i < int(_arc_maps.size()); ++i) {
|
| 897 | 920 |
_arc_maps[i]->copy(_from, arcRefMap); |
| 898 | 921 |
} |
| 899 | 922 |
} |
| 900 | 923 |
|
| 901 | 924 |
private: |
| 902 | 925 |
|
| 903 | 926 |
const From& _from; |
| 904 | 927 |
To& _to; |
| 905 | 928 |
|
| 906 | 929 |
std::vector<_core_bits::MapCopyBase<From, Node, NodeRefMap>* > |
| 907 |
_node_maps; |
|
| 930 |
_node_maps; |
|
| 908 | 931 |
|
| 909 | 932 |
std::vector<_core_bits::MapCopyBase<From, Arc, ArcRefMap>* > |
| 910 |
_arc_maps; |
|
| 933 |
_arc_maps; |
|
| 911 | 934 |
|
| 912 | 935 |
std::vector<_core_bits::MapCopyBase<From, Edge, EdgeRefMap>* > |
| 913 |
_edge_maps; |
|
| 936 |
_edge_maps; |
|
| 914 | 937 |
|
| 915 | 938 |
}; |
| 916 | 939 |
|
| 917 | 940 |
/// \brief Copy a graph to another graph. |
| 918 | 941 |
/// |
| 919 |
/// Copy a graph to another graph. The complete usage of the |
|
| 920 |
/// function is detailed in the GraphCopy class, but a short |
|
| 921 |
/// |
|
| 942 |
/// This function copies a graph to another graph. |
|
| 943 |
/// The complete usage of it is detailed in the GraphCopy class, |
|
| 944 |
/// but a short example shows a basic work: |
|
| 922 | 945 |
///\code |
| 923 |
/// |
|
| 946 |
/// graphCopy(src, trg).nodeRef(nr).edgeCrossRef(ecr).run(); |
|
| 924 | 947 |
///\endcode |
| 925 | 948 |
/// |
| 926 | 949 |
/// After the copy the \c nr map will contain the mapping from the |
| 927 | 950 |
/// nodes of the \c from graph to the nodes of the \c to graph and |
| 928 |
/// \c ecr will contain the mapping from the arcs of the \c to graph |
|
| 929 |
/// to the arcs of the \c from graph. |
|
| 951 |
/// \c ecr will contain the mapping from the edges of the \c to graph |
|
| 952 |
/// to the edges of the \c from graph. |
|
| 930 | 953 |
/// |
| 931 | 954 |
/// \see GraphCopy |
| 932 |
template <typename To, typename From> |
|
| 933 |
GraphCopy<To, From> |
|
| 934 |
copyGraph(To& to, const From& from) {
|
|
| 935 |
return GraphCopy<To, From>(to, from); |
|
| 955 |
template <typename From, typename To> |
|
| 956 |
GraphCopy<From, To> |
|
| 957 |
graphCopy(const From& from, To& to) {
|
|
| 958 |
return GraphCopy<From, To>(from, to); |
|
| 936 | 959 |
} |
| 937 | 960 |
|
| 938 | 961 |
namespace _core_bits {
|
| 939 | 962 |
|
| 940 | 963 |
template <typename Graph, typename Enable = void> |
| 941 | 964 |
struct FindArcSelector {
|
| 942 | 965 |
typedef typename Graph::Node Node; |
| 943 | 966 |
typedef typename Graph::Arc Arc; |
| 944 | 967 |
static Arc find(const Graph &g, Node u, Node v, Arc e) {
|
| 945 | 968 |
if (e == INVALID) {
|
| 946 | 969 |
g.firstOut(e, u); |
| 947 | 970 |
} else {
|
| 948 | 971 |
g.nextOut(e); |
| 949 | 972 |
} |
| 950 | 973 |
while (e != INVALID && g.target(e) != v) {
|
| 951 | 974 |
g.nextOut(e); |
| 952 | 975 |
} |
| 953 | 976 |
return e; |
| 954 | 977 |
} |
| 955 | 978 |
}; |
| 956 | 979 |
|
| 957 | 980 |
template <typename Graph> |
| 958 | 981 |
struct FindArcSelector< |
| 959 | 982 |
Graph, |
| 960 |
typename enable_if<typename Graph:: |
|
| 983 |
typename enable_if<typename Graph::FindArcTag, void>::type> |
|
| 961 | 984 |
{
|
| 962 | 985 |
typedef typename Graph::Node Node; |
| 963 | 986 |
typedef typename Graph::Arc Arc; |
| 964 | 987 |
static Arc find(const Graph &g, Node u, Node v, Arc prev) {
|
| 965 | 988 |
return g.findArc(u, v, prev); |
| 966 | 989 |
} |
| 967 | 990 |
}; |
| 968 | 991 |
} |
| 969 | 992 |
|
| 970 |
/// \brief |
|
| 993 |
/// \brief Find an arc between two nodes of a digraph. |
|
| 971 | 994 |
/// |
| 972 |
/// |
|
| 995 |
/// This function finds an arc from node \c u to node \c v in the |
|
| 996 |
/// digraph \c g. |
|
| 973 | 997 |
/// |
| 974 | 998 |
/// If \c prev is \ref INVALID (this is the default value), then |
| 975 | 999 |
/// it finds the first arc from \c u to \c v. Otherwise it looks for |
| 976 | 1000 |
/// the next arc from \c u to \c v after \c prev. |
| 977 | 1001 |
/// \return The found arc or \ref INVALID if there is no such an arc. |
| 978 | 1002 |
/// |
| 979 | 1003 |
/// Thus you can iterate through each arc from \c u to \c v as it follows. |
| 980 | 1004 |
///\code |
| 981 |
/// for(Arc e=findArc(g,u,v);e!=INVALID;e=findArc(g,u,v,e)) {
|
|
| 1005 |
/// for(Arc e = findArc(g,u,v); e != INVALID; e = findArc(g,u,v,e)) {
|
|
| 982 | 1006 |
/// ... |
| 983 | 1007 |
/// } |
| 984 | 1008 |
///\endcode |
| 985 | 1009 |
/// |
| 986 |
///\sa ArcLookUp |
|
| 987 |
///\sa AllArcLookUp |
|
| 988 |
///\ |
|
| 1010 |
/// \note \ref ConArcIt provides iterator interface for the same |
|
| 1011 |
/// functionality. |
|
| 1012 |
/// |
|
| 989 | 1013 |
///\sa ConArcIt |
| 1014 |
///\sa ArcLookUp, AllArcLookUp, DynArcLookUp |
|
| 990 | 1015 |
template <typename Graph> |
| 991 | 1016 |
inline typename Graph::Arc |
| 992 | 1017 |
findArc(const Graph &g, typename Graph::Node u, typename Graph::Node v, |
| 993 | 1018 |
typename Graph::Arc prev = INVALID) {
|
| 994 | 1019 |
return _core_bits::FindArcSelector<Graph>::find(g, u, v, prev); |
| 995 | 1020 |
} |
| 996 | 1021 |
|
| 997 |
/// \brief Iterator for iterating on arcs |
|
| 1022 |
/// \brief Iterator for iterating on parallel arcs connecting the same nodes. |
|
| 998 | 1023 |
/// |
| 999 |
/// Iterator for iterating on arcs connected the same nodes. It is |
|
| 1000 |
/// higher level interface for the findArc() function. You can |
|
| 1024 |
/// Iterator for iterating on parallel arcs connecting the same nodes. It is |
|
| 1025 |
/// a higher level interface for the \ref findArc() function. You can |
|
| 1001 | 1026 |
/// use it the following way: |
| 1002 | 1027 |
///\code |
| 1003 | 1028 |
/// for (ConArcIt<Graph> it(g, src, trg); it != INVALID; ++it) {
|
| 1004 | 1029 |
/// ... |
| 1005 | 1030 |
/// } |
| 1006 | 1031 |
///\endcode |
| 1007 | 1032 |
/// |
| 1008 | 1033 |
///\sa findArc() |
| 1009 |
///\sa ArcLookUp |
|
| 1010 |
///\sa AllArcLookUp |
|
| 1011 |
///\sa DynArcLookUp |
|
| 1034 |
///\sa ArcLookUp, AllArcLookUp, DynArcLookUp |
|
| 1012 | 1035 |
template <typename _Graph> |
| 1013 | 1036 |
class ConArcIt : public _Graph::Arc {
|
| 1014 | 1037 |
public: |
| 1015 | 1038 |
|
| 1016 | 1039 |
typedef _Graph Graph; |
| 1017 | 1040 |
typedef typename Graph::Arc Parent; |
| 1018 | 1041 |
|
| 1019 | 1042 |
typedef typename Graph::Arc Arc; |
| 1020 | 1043 |
typedef typename Graph::Node Node; |
| 1021 | 1044 |
|
| 1022 | 1045 |
/// \brief Constructor. |
| 1023 | 1046 |
/// |
| 1024 |
/// Construct a new ConArcIt iterating on the arcs which |
|
| 1025 |
/// connects the \c u and \c v node. |
|
| 1047 |
/// Construct a new ConArcIt iterating on the arcs that |
|
| 1048 |
/// connects nodes \c u and \c v. |
|
| 1026 | 1049 |
ConArcIt(const Graph& g, Node u, Node v) : _graph(g) {
|
| 1027 | 1050 |
Parent::operator=(findArc(_graph, u, v)); |
| 1028 | 1051 |
} |
| 1029 | 1052 |
|
| 1030 | 1053 |
/// \brief Constructor. |
| 1031 | 1054 |
/// |
| 1032 |
/// Construct a new ConArcIt which continues the iterating from |
|
| 1033 |
/// the \c e arc. |
|
| 1055 |
/// Construct a new ConArcIt that continues the iterating from arc \c a. |
|
| 1034 | 1056 |
ConArcIt(const Graph& g, Arc a) : Parent(a), _graph(g) {}
|
| 1035 | 1057 |
|
| 1036 | 1058 |
/// \brief Increment operator. |
| 1037 | 1059 |
/// |
| 1038 | 1060 |
/// It increments the iterator and gives back the next arc. |
| 1039 | 1061 |
ConArcIt& operator++() {
|
| 1040 | 1062 |
Parent::operator=(findArc(_graph, _graph.source(*this), |
| 1041 | 1063 |
_graph.target(*this), *this)); |
| 1042 | 1064 |
return *this; |
| 1043 | 1065 |
} |
| 1044 | 1066 |
private: |
| 1045 | 1067 |
const Graph& _graph; |
| 1046 | 1068 |
}; |
| 1047 | 1069 |
|
| 1048 | 1070 |
namespace _core_bits {
|
| 1049 | 1071 |
|
| 1050 | 1072 |
template <typename Graph, typename Enable = void> |
| 1051 | 1073 |
struct FindEdgeSelector {
|
| 1052 | 1074 |
typedef typename Graph::Node Node; |
| 1053 | 1075 |
typedef typename Graph::Edge Edge; |
| 1054 | 1076 |
static Edge find(const Graph &g, Node u, Node v, Edge e) {
|
| 1055 | 1077 |
bool b; |
| 1056 | 1078 |
if (u != v) {
|
| 1057 | 1079 |
if (e == INVALID) {
|
| ... | ... |
@@ -1070,140 +1092,141 @@ |
| 1070 | 1092 |
b = true; |
| 1071 | 1093 |
g.nextInc(e, b); |
| 1072 | 1094 |
} |
| 1073 | 1095 |
while (e != INVALID && (!b || g.v(e) != v)) {
|
| 1074 | 1096 |
g.nextInc(e, b); |
| 1075 | 1097 |
} |
| 1076 | 1098 |
} |
| 1077 | 1099 |
return e; |
| 1078 | 1100 |
} |
| 1079 | 1101 |
}; |
| 1080 | 1102 |
|
| 1081 | 1103 |
template <typename Graph> |
| 1082 | 1104 |
struct FindEdgeSelector< |
| 1083 | 1105 |
Graph, |
| 1084 | 1106 |
typename enable_if<typename Graph::FindEdgeTag, void>::type> |
| 1085 | 1107 |
{
|
| 1086 | 1108 |
typedef typename Graph::Node Node; |
| 1087 | 1109 |
typedef typename Graph::Edge Edge; |
| 1088 | 1110 |
static Edge find(const Graph &g, Node u, Node v, Edge prev) {
|
| 1089 | 1111 |
return g.findEdge(u, v, prev); |
| 1090 | 1112 |
} |
| 1091 | 1113 |
}; |
| 1092 | 1114 |
} |
| 1093 | 1115 |
|
| 1094 |
/// \brief |
|
| 1116 |
/// \brief Find an edge between two nodes of a graph. |
|
| 1095 | 1117 |
/// |
| 1096 |
/// Finds an edge from node \c u to node \c v in graph \c g. |
|
| 1097 |
/// If the node \c u and node \c v is equal then each loop edge |
|
| 1118 |
/// This function finds an edge from node \c u to node \c v in graph \c g. |
|
| 1119 |
/// If node \c u and node \c v is equal then each loop edge |
|
| 1098 | 1120 |
/// will be enumerated once. |
| 1099 | 1121 |
/// |
| 1100 | 1122 |
/// If \c prev is \ref INVALID (this is the default value), then |
| 1101 |
/// it finds the first arc from \c u to \c v. Otherwise it looks for |
|
| 1102 |
/// the next arc from \c u to \c v after \c prev. |
|
| 1103 |
/// |
|
| 1123 |
/// it finds the first edge from \c u to \c v. Otherwise it looks for |
|
| 1124 |
/// the next edge from \c u to \c v after \c prev. |
|
| 1125 |
/// \return The found edge or \ref INVALID if there is no such an edge. |
|
| 1104 | 1126 |
/// |
| 1105 |
/// Thus you can iterate through each |
|
| 1127 |
/// Thus you can iterate through each edge between \c u and \c v |
|
| 1128 |
/// as it follows. |
|
| 1106 | 1129 |
///\code |
| 1107 |
/// for(Edge e = findEdge(g,u,v); e != INVALID; |
|
| 1108 |
/// e = findEdge(g,u,v,e)) {
|
|
| 1130 |
/// for(Edge e = findEdge(g,u,v); e != INVALID; e = findEdge(g,u,v,e)) {
|
|
| 1109 | 1131 |
/// ... |
| 1110 | 1132 |
/// } |
| 1111 | 1133 |
///\endcode |
| 1112 | 1134 |
/// |
| 1135 |
/// \note \ref ConEdgeIt provides iterator interface for the same |
|
| 1136 |
/// functionality. |
|
| 1137 |
/// |
|
| 1113 | 1138 |
///\sa ConEdgeIt |
| 1114 |
|
|
| 1115 | 1139 |
template <typename Graph> |
| 1116 | 1140 |
inline typename Graph::Edge |
| 1117 | 1141 |
findEdge(const Graph &g, typename Graph::Node u, typename Graph::Node v, |
| 1118 | 1142 |
typename Graph::Edge p = INVALID) {
|
| 1119 | 1143 |
return _core_bits::FindEdgeSelector<Graph>::find(g, u, v, p); |
| 1120 | 1144 |
} |
| 1121 | 1145 |
|
| 1122 |
/// \brief Iterator for iterating on edges |
|
| 1146 |
/// \brief Iterator for iterating on parallel edges connecting the same nodes. |
|
| 1123 | 1147 |
/// |
| 1124 |
/// Iterator for iterating on edges connected the same nodes. It is |
|
| 1125 |
/// higher level interface for the findEdge() function. You can |
|
| 1148 |
/// Iterator for iterating on parallel edges connecting the same nodes. |
|
| 1149 |
/// It is a higher level interface for the findEdge() function. You can |
|
| 1126 | 1150 |
/// use it the following way: |
| 1127 | 1151 |
///\code |
| 1128 |
/// for (ConEdgeIt<Graph> it(g, |
|
| 1152 |
/// for (ConEdgeIt<Graph> it(g, u, v); it != INVALID; ++it) {
|
|
| 1129 | 1153 |
/// ... |
| 1130 | 1154 |
/// } |
| 1131 | 1155 |
///\endcode |
| 1132 | 1156 |
/// |
| 1133 | 1157 |
///\sa findEdge() |
| 1134 | 1158 |
template <typename _Graph> |
| 1135 | 1159 |
class ConEdgeIt : public _Graph::Edge {
|
| 1136 | 1160 |
public: |
| 1137 | 1161 |
|
| 1138 | 1162 |
typedef _Graph Graph; |
| 1139 | 1163 |
typedef typename Graph::Edge Parent; |
| 1140 | 1164 |
|
| 1141 | 1165 |
typedef typename Graph::Edge Edge; |
| 1142 | 1166 |
typedef typename Graph::Node Node; |
| 1143 | 1167 |
|
| 1144 | 1168 |
/// \brief Constructor. |
| 1145 | 1169 |
/// |
| 1146 |
/// Construct a new ConEdgeIt iterating on the edges which |
|
| 1147 |
/// connects the \c u and \c v node. |
|
| 1170 |
/// Construct a new ConEdgeIt iterating on the edges that |
|
| 1171 |
/// connects nodes \c u and \c v. |
|
| 1148 | 1172 |
ConEdgeIt(const Graph& g, Node u, Node v) : _graph(g) {
|
| 1149 | 1173 |
Parent::operator=(findEdge(_graph, u, v)); |
| 1150 | 1174 |
} |
| 1151 | 1175 |
|
| 1152 | 1176 |
/// \brief Constructor. |
| 1153 | 1177 |
/// |
| 1154 |
/// Construct a new ConEdgeIt which continues the iterating from |
|
| 1155 |
/// the \c e edge. |
|
| 1178 |
/// Construct a new ConEdgeIt that continues iterating from edge \c e. |
|
| 1156 | 1179 |
ConEdgeIt(const Graph& g, Edge e) : Parent(e), _graph(g) {}
|
| 1157 | 1180 |
|
| 1158 | 1181 |
/// \brief Increment operator. |
| 1159 | 1182 |
/// |
| 1160 | 1183 |
/// It increments the iterator and gives back the next edge. |
| 1161 | 1184 |
ConEdgeIt& operator++() {
|
| 1162 | 1185 |
Parent::operator=(findEdge(_graph, _graph.u(*this), |
| 1163 | 1186 |
_graph.v(*this), *this)); |
| 1164 | 1187 |
return *this; |
| 1165 | 1188 |
} |
| 1166 | 1189 |
private: |
| 1167 | 1190 |
const Graph& _graph; |
| 1168 | 1191 |
}; |
| 1169 | 1192 |
|
| 1170 | 1193 |
|
| 1171 |
///Dynamic arc look |
|
| 1194 |
///Dynamic arc look-up between given endpoints. |
|
| 1172 | 1195 |
|
| 1173 | 1196 |
///Using this class, you can find an arc in a digraph from a given |
| 1174 |
///source to a given target in amortized time <em>O |
|
| 1197 |
///source to a given target in amortized time <em>O</em>(log<em>d</em>), |
|
| 1175 | 1198 |
///where <em>d</em> is the out-degree of the source node. |
| 1176 | 1199 |
/// |
| 1177 | 1200 |
///It is possible to find \e all parallel arcs between two nodes with |
| 1178 | 1201 |
///the \c operator() member. |
| 1179 | 1202 |
/// |
| 1180 |
///See the \ref ArcLookUp and \ref AllArcLookUp classes if your |
|
| 1181 |
///digraph is not changed so frequently. |
|
| 1203 |
///This is a dynamic data structure. Consider to use \ref ArcLookUp or |
|
| 1204 |
///\ref AllArcLookUp if your digraph is not changed so frequently. |
|
| 1182 | 1205 |
/// |
| 1183 |
///This class uses a self-adjusting binary search tree, Sleator's |
|
| 1184 |
///and Tarjan's Splay tree for guarantee the logarithmic amortized |
|
| 1185 |
/// |
|
| 1206 |
///This class uses a self-adjusting binary search tree, the Splay tree |
|
| 1207 |
///of Sleator and Tarjan to guarantee the logarithmic amortized |
|
| 1208 |
///time bound for arc look-ups. This class also guarantees the |
|
| 1186 | 1209 |
///optimal time bound in a constant factor for any distribution of |
| 1187 | 1210 |
///queries. |
| 1188 | 1211 |
/// |
| 1189 | 1212 |
///\tparam G The type of the underlying digraph. |
| 1190 | 1213 |
/// |
| 1191 | 1214 |
///\sa ArcLookUp |
| 1192 | 1215 |
///\sa AllArcLookUp |
| 1193 | 1216 |
template<class G> |
| 1194 | 1217 |
class DynArcLookUp |
| 1195 | 1218 |
: protected ItemSetTraits<G, typename G::Arc>::ItemNotifier::ObserverBase |
| 1196 | 1219 |
{
|
| 1197 | 1220 |
public: |
| 1198 | 1221 |
typedef typename ItemSetTraits<G, typename G::Arc> |
| 1199 | 1222 |
::ItemNotifier::ObserverBase Parent; |
| 1200 | 1223 |
|
| 1201 | 1224 |
TEMPLATE_DIGRAPH_TYPEDEFS(G); |
| 1202 | 1225 |
typedef G Digraph; |
| 1203 | 1226 |
|
| 1204 | 1227 |
protected: |
| 1205 | 1228 |
|
| 1206 | 1229 |
class AutoNodeMap : public ItemSetTraits<G, Node>::template Map<Arc>::Type {
|
| 1207 | 1230 |
public: |
| 1208 | 1231 |
|
| 1209 | 1232 |
typedef typename ItemSetTraits<G, Node>::template Map<Arc>::Type Parent; |
| ... | ... |
@@ -1486,75 +1509,74 @@ |
| 1486 | 1509 |
} |
| 1487 | 1510 |
} else {
|
| 1488 | 1511 |
if (_parent[_parent[v]] == INVALID) {
|
| 1489 | 1512 |
zag(v); |
| 1490 | 1513 |
} else {
|
| 1491 | 1514 |
if (_parent[v] == _left[_parent[_parent[v]]]) {
|
| 1492 | 1515 |
zag(v); |
| 1493 | 1516 |
zig(v); |
| 1494 | 1517 |
} else {
|
| 1495 | 1518 |
zag(_parent[v]); |
| 1496 | 1519 |
zag(v); |
| 1497 | 1520 |
} |
| 1498 | 1521 |
} |
| 1499 | 1522 |
} |
| 1500 | 1523 |
} |
| 1501 | 1524 |
_head[_g.source(v)] = v; |
| 1502 | 1525 |
} |
| 1503 | 1526 |
|
| 1504 | 1527 |
|
| 1505 | 1528 |
public: |
| 1506 | 1529 |
|
| 1507 | 1530 |
///Find an arc between two nodes. |
| 1508 | 1531 |
|
| 1509 | 1532 |
///Find an arc between two nodes. |
| 1510 |
///\param s The source node |
|
| 1511 |
///\param t The target node |
|
| 1533 |
///\param s The source node. |
|
| 1534 |
///\param t The target node. |
|
| 1512 | 1535 |
///\param p The previous arc between \c s and \c t. It it is INVALID or |
| 1513 | 1536 |
///not given, the operator finds the first appropriate arc. |
| 1514 | 1537 |
///\return An arc from \c s to \c t after \c p or |
| 1515 | 1538 |
///\ref INVALID if there is no more. |
| 1516 | 1539 |
/// |
| 1517 | 1540 |
///For example, you can count the number of arcs from \c u to \c v in the |
| 1518 | 1541 |
///following way. |
| 1519 | 1542 |
///\code |
| 1520 | 1543 |
///DynArcLookUp<ListDigraph> ae(g); |
| 1521 | 1544 |
///... |
| 1522 |
///int n=0; |
|
| 1523 |
///for(Arc e=ae(u,v);e!=INVALID;e=ae(u,v,e)) n++; |
|
| 1545 |
///int n = 0; |
|
| 1546 |
///for(Arc a = ae(u,v); a != INVALID; a = ae(u,v,a)) n++; |
|
| 1524 | 1547 |
///\endcode |
| 1525 | 1548 |
/// |
| 1526 |
///Finding the arcs take at most <em>O |
|
| 1549 |
///Finding the arcs take at most <em>O</em>(log<em>d</em>) |
|
| 1527 | 1550 |
///amortized time, specifically, the time complexity of the lookups |
| 1528 | 1551 |
///is equal to the optimal search tree implementation for the |
| 1529 | 1552 |
///current query distribution in a constant factor. |
| 1530 | 1553 |
/// |
| 1531 | 1554 |
///\note This is a dynamic data structure, therefore the data |
| 1532 |
///structure is updated after each graph alteration. However, |
|
| 1533 |
///theoretically this data structure is faster than \c ArcLookUp |
|
| 1534 |
/// |
|
| 1555 |
///structure is updated after each graph alteration. Thus although |
|
| 1556 |
///this data structure is theoretically faster than \ref ArcLookUp |
|
| 1557 |
///and \ref AllArcLookup, it often provides worse performance than |
|
| 1535 | 1558 |
///them. |
| 1536 |
/// |
|
| 1537 | 1559 |
Arc operator()(Node s, Node t, Arc p = INVALID) const {
|
| 1538 | 1560 |
if (p == INVALID) {
|
| 1539 | 1561 |
Arc a = _head[s]; |
| 1540 | 1562 |
if (a == INVALID) return INVALID; |
| 1541 | 1563 |
Arc r = INVALID; |
| 1542 | 1564 |
while (true) {
|
| 1543 | 1565 |
if (_g.target(a) < t) {
|
| 1544 | 1566 |
if (_right[a] == INVALID) {
|
| 1545 | 1567 |
const_cast<DynArcLookUp&>(*this).splay(a); |
| 1546 | 1568 |
return r; |
| 1547 | 1569 |
} else {
|
| 1548 | 1570 |
a = _right[a]; |
| 1549 | 1571 |
} |
| 1550 | 1572 |
} else {
|
| 1551 | 1573 |
if (_g.target(a) == t) {
|
| 1552 | 1574 |
r = a; |
| 1553 | 1575 |
} |
| 1554 | 1576 |
if (_left[a] == INVALID) {
|
| 1555 | 1577 |
const_cast<DynArcLookUp&>(*this).splay(a); |
| 1556 | 1578 |
return r; |
| 1557 | 1579 |
} else {
|
| 1558 | 1580 |
a = _left[a]; |
| 1559 | 1581 |
} |
| 1560 | 1582 |
} |
| ... | ... |
@@ -1564,265 +1586,259 @@ |
| 1564 | 1586 |
if (_right[a] != INVALID) {
|
| 1565 | 1587 |
a = _right[a]; |
| 1566 | 1588 |
while (_left[a] != INVALID) {
|
| 1567 | 1589 |
a = _left[a]; |
| 1568 | 1590 |
} |
| 1569 | 1591 |
const_cast<DynArcLookUp&>(*this).splay(a); |
| 1570 | 1592 |
} else {
|
| 1571 | 1593 |
while (_parent[a] != INVALID && _right[_parent[a]] == a) {
|
| 1572 | 1594 |
a = _parent[a]; |
| 1573 | 1595 |
} |
| 1574 | 1596 |
if (_parent[a] == INVALID) {
|
| 1575 | 1597 |
return INVALID; |
| 1576 | 1598 |
} else {
|
| 1577 | 1599 |
a = _parent[a]; |
| 1578 | 1600 |
const_cast<DynArcLookUp&>(*this).splay(a); |
| 1579 | 1601 |
} |
| 1580 | 1602 |
} |
| 1581 | 1603 |
if (_g.target(a) == t) return a; |
| 1582 | 1604 |
else return INVALID; |
| 1583 | 1605 |
} |
| 1584 | 1606 |
} |
| 1585 | 1607 |
|
| 1586 | 1608 |
}; |
| 1587 | 1609 |
|
| 1588 |
///Fast arc look |
|
| 1610 |
///Fast arc look-up between given endpoints. |
|
| 1589 | 1611 |
|
| 1590 | 1612 |
///Using this class, you can find an arc in a digraph from a given |
| 1591 |
///source to a given target in time <em>O(log |
|
| 1613 |
///source to a given target in time <em>O</em>(log<em>d</em>), |
|
| 1592 | 1614 |
///where <em>d</em> is the out-degree of the source node. |
| 1593 | 1615 |
/// |
| 1594 | 1616 |
///It is not possible to find \e all parallel arcs between two nodes. |
| 1595 | 1617 |
///Use \ref AllArcLookUp for this purpose. |
| 1596 | 1618 |
/// |
| 1597 |
///\warning This class is static, so you should refresh() (or at least |
|
| 1598 |
///refresh(Node)) this data structure |
|
| 1599 |
///whenever the digraph changes. This is a time consuming (superlinearly |
|
| 1600 |
///proportional (<em>O(m</em>log<em>m)</em>) to the number of arcs). |
|
| 1619 |
///\warning This class is static, so you should call refresh() (or at |
|
| 1620 |
///least refresh(Node)) to refresh this data structure whenever the |
|
| 1621 |
///digraph changes. This is a time consuming (superlinearly proportional |
|
| 1622 |
///(<em>O</em>(<em>m</em> log<em>m</em>)) to the number of arcs). |
|
| 1601 | 1623 |
/// |
| 1602 | 1624 |
///\tparam G The type of the underlying digraph. |
| 1603 | 1625 |
/// |
| 1604 | 1626 |
///\sa DynArcLookUp |
| 1605 | 1627 |
///\sa AllArcLookUp |
| 1606 | 1628 |
template<class G> |
| 1607 | 1629 |
class ArcLookUp |
| 1608 | 1630 |
{
|
| 1609 | 1631 |
public: |
| 1610 | 1632 |
TEMPLATE_DIGRAPH_TYPEDEFS(G); |
| 1611 | 1633 |
typedef G Digraph; |
| 1612 | 1634 |
|
| 1613 | 1635 |
protected: |
| 1614 | 1636 |
const Digraph &_g; |
| 1615 | 1637 |
typename Digraph::template NodeMap<Arc> _head; |
| 1616 | 1638 |
typename Digraph::template ArcMap<Arc> _left; |
| 1617 | 1639 |
typename Digraph::template ArcMap<Arc> _right; |
| 1618 | 1640 |
|
| 1619 | 1641 |
class ArcLess {
|
| 1620 | 1642 |
const Digraph &g; |
| 1621 | 1643 |
public: |
| 1622 | 1644 |
ArcLess(const Digraph &_g) : g(_g) {}
|
| 1623 | 1645 |
bool operator()(Arc a,Arc b) const |
| 1624 | 1646 |
{
|
| 1625 | 1647 |
return g.target(a)<g.target(b); |
| 1626 | 1648 |
} |
| 1627 | 1649 |
}; |
| 1628 | 1650 |
|
| 1629 | 1651 |
public: |
| 1630 | 1652 |
|
| 1631 | 1653 |
///Constructor |
| 1632 | 1654 |
|
| 1633 | 1655 |
///Constructor. |
| 1634 | 1656 |
/// |
| 1635 | 1657 |
///It builds up the search database, which remains valid until the digraph |
| 1636 | 1658 |
///changes. |
| 1637 | 1659 |
ArcLookUp(const Digraph &g) :_g(g),_head(g),_left(g),_right(g) {refresh();}
|
| 1638 | 1660 |
|
| 1639 | 1661 |
private: |
| 1640 | 1662 |
Arc refreshRec(std::vector<Arc> &v,int a,int b) |
| 1641 | 1663 |
{
|
| 1642 | 1664 |
int m=(a+b)/2; |
| 1643 | 1665 |
Arc me=v[m]; |
| 1644 | 1666 |
_left[me] = a<m?refreshRec(v,a,m-1):INVALID; |
| 1645 | 1667 |
_right[me] = m<b?refreshRec(v,m+1,b):INVALID; |
| 1646 | 1668 |
return me; |
| 1647 | 1669 |
} |
| 1648 | 1670 |
public: |
| 1649 |
///Refresh the data structure at a node. |
|
| 1671 |
///Refresh the search data structure at a node. |
|
| 1650 | 1672 |
|
| 1651 | 1673 |
///Build up the search database of node \c n. |
| 1652 | 1674 |
/// |
| 1653 |
///It runs in time <em>O(d</em>log<em>d)</em>, where <em>d</em> is |
|
| 1654 |
///the number of the outgoing arcs of \c n. |
|
| 1675 |
///It runs in time <em>O</em>(<em>d</em> log<em>d</em>), where <em>d</em> |
|
| 1676 |
///is the number of the outgoing arcs of \c n. |
|
| 1655 | 1677 |
void refresh(Node n) |
| 1656 | 1678 |
{
|
| 1657 | 1679 |
std::vector<Arc> v; |
| 1658 | 1680 |
for(OutArcIt e(_g,n);e!=INVALID;++e) v.push_back(e); |
| 1659 | 1681 |
if(v.size()) {
|
| 1660 | 1682 |
std::sort(v.begin(),v.end(),ArcLess(_g)); |
| 1661 | 1683 |
_head[n]=refreshRec(v,0,v.size()-1); |
| 1662 | 1684 |
} |
| 1663 | 1685 |
else _head[n]=INVALID; |
| 1664 | 1686 |
} |
| 1665 | 1687 |
///Refresh the full data structure. |
| 1666 | 1688 |
|
| 1667 | 1689 |
///Build up the full search database. In fact, it simply calls |
| 1668 | 1690 |
///\ref refresh(Node) "refresh(n)" for each node \c n. |
| 1669 | 1691 |
/// |
| 1670 |
///It runs in time <em>O(m</em>log<em>D)</em>, where <em>m</em> is |
|
| 1671 |
///the number of the arcs of \c n and <em>D</em> is the maximum |
|
| 1692 |
///It runs in time <em>O</em>(<em>m</em> log<em>D</em>), where <em>m</em> is |
|
| 1693 |
///the number of the arcs in the digraph and <em>D</em> is the maximum |
|
| 1672 | 1694 |
///out-degree of the digraph. |
| 1673 |
|
|
| 1674 | 1695 |
void refresh() |
| 1675 | 1696 |
{
|
| 1676 | 1697 |
for(NodeIt n(_g);n!=INVALID;++n) refresh(n); |
| 1677 | 1698 |
} |
| 1678 | 1699 |
|
| 1679 | 1700 |
///Find an arc between two nodes. |
| 1680 | 1701 |
|
| 1681 |
///Find an arc between two nodes in time <em>O(</em>log<em>d)</em>, where |
|
| 1682 |
/// <em>d</em> is the number of outgoing arcs of \c s. |
|
| 1683 |
///\param s The source node |
|
| 1684 |
///\param t The target node |
|
| 1702 |
///Find an arc between two nodes in time <em>O</em>(log<em>d</em>), where |
|
| 1703 |
///<em>d</em> is the number of outgoing arcs of \c s. |
|
| 1704 |
///\param s The source node. |
|
| 1705 |
///\param t The target node. |
|
| 1685 | 1706 |
///\return An arc from \c s to \c t if there exists, |
| 1686 | 1707 |
///\ref INVALID otherwise. |
| 1687 | 1708 |
/// |
| 1688 | 1709 |
///\warning If you change the digraph, refresh() must be called before using |
| 1689 | 1710 |
///this operator. If you change the outgoing arcs of |
| 1690 |
///a single node \c n, then |
|
| 1691 |
///\ref refresh(Node) "refresh(n)" is enough. |
|
| 1692 |
/// |
|
| 1711 |
///a single node \c n, then \ref refresh(Node) "refresh(n)" is enough. |
|
| 1693 | 1712 |
Arc operator()(Node s, Node t) const |
| 1694 | 1713 |
{
|
| 1695 | 1714 |
Arc e; |
| 1696 | 1715 |
for(e=_head[s]; |
| 1697 | 1716 |
e!=INVALID&&_g.target(e)!=t; |
| 1698 | 1717 |
e = t < _g.target(e)?_left[e]:_right[e]) ; |
| 1699 | 1718 |
return e; |
| 1700 | 1719 |
} |
| 1701 | 1720 |
|
| 1702 | 1721 |
}; |
| 1703 | 1722 |
|
| 1704 |
///Fast look |
|
| 1723 |
///Fast look-up of all arcs between given endpoints. |
|
| 1705 | 1724 |
|
| 1706 | 1725 |
///This class is the same as \ref ArcLookUp, with the addition |
| 1707 |
///that it makes it possible to find all arcs between given |
|
| 1726 |
///that it makes it possible to find all parallel arcs between given |
|
| 1727 |
///endpoints. |
|
| 1708 | 1728 |
/// |
| 1709 |
///\warning This class is static, so you should refresh() (or at least |
|
| 1710 |
///refresh(Node)) this data structure |
|
| 1711 |
///whenever the digraph changes. This is a time consuming (superlinearly |
|
| 1712 |
///proportional (<em>O(m</em>log<em>m)</em>) to the number of arcs). |
|
| 1729 |
///\warning This class is static, so you should call refresh() (or at |
|
| 1730 |
///least refresh(Node)) to refresh this data structure whenever the |
|
| 1731 |
///digraph changes. This is a time consuming (superlinearly proportional |
|
| 1732 |
///(<em>O</em>(<em>m</em> log<em>m</em>)) to the number of arcs). |
|
| 1713 | 1733 |
/// |
| 1714 | 1734 |
///\tparam G The type of the underlying digraph. |
| 1715 | 1735 |
/// |
| 1716 | 1736 |
///\sa DynArcLookUp |
| 1717 | 1737 |
///\sa ArcLookUp |
| 1718 | 1738 |
template<class G> |
| 1719 | 1739 |
class AllArcLookUp : public ArcLookUp<G> |
| 1720 | 1740 |
{
|
| 1721 | 1741 |
using ArcLookUp<G>::_g; |
| 1722 | 1742 |
using ArcLookUp<G>::_right; |
| 1723 | 1743 |
using ArcLookUp<G>::_left; |
| 1724 | 1744 |
using ArcLookUp<G>::_head; |
| 1725 | 1745 |
|
| 1726 | 1746 |
TEMPLATE_DIGRAPH_TYPEDEFS(G); |
| 1727 | 1747 |
typedef G Digraph; |
| 1728 | 1748 |
|
| 1729 | 1749 |
typename Digraph::template ArcMap<Arc> _next; |
| 1730 | 1750 |
|
| 1731 | 1751 |
Arc refreshNext(Arc head,Arc next=INVALID) |
| 1732 | 1752 |
{
|
| 1733 | 1753 |
if(head==INVALID) return next; |
| 1734 | 1754 |
else {
|
| 1735 | 1755 |
next=refreshNext(_right[head],next); |
| 1736 |
// _next[head]=next; |
|
| 1737 | 1756 |
_next[head]=( next!=INVALID && _g.target(next)==_g.target(head)) |
| 1738 | 1757 |
? next : INVALID; |
| 1739 | 1758 |
return refreshNext(_left[head],head); |
| 1740 | 1759 |
} |
| 1741 | 1760 |
} |
| 1742 | 1761 |
|
| 1743 | 1762 |
void refreshNext() |
| 1744 | 1763 |
{
|
| 1745 | 1764 |
for(NodeIt n(_g);n!=INVALID;++n) refreshNext(_head[n]); |
| 1746 | 1765 |
} |
| 1747 | 1766 |
|
| 1748 | 1767 |
public: |
| 1749 | 1768 |
///Constructor |
| 1750 | 1769 |
|
| 1751 | 1770 |
///Constructor. |
| 1752 | 1771 |
/// |
| 1753 | 1772 |
///It builds up the search database, which remains valid until the digraph |
| 1754 | 1773 |
///changes. |
| 1755 | 1774 |
AllArcLookUp(const Digraph &g) : ArcLookUp<G>(g), _next(g) {refreshNext();}
|
| 1756 | 1775 |
|
| 1757 | 1776 |
///Refresh the data structure at a node. |
| 1758 | 1777 |
|
| 1759 | 1778 |
///Build up the search database of node \c n. |
| 1760 | 1779 |
/// |
| 1761 |
///It runs in time <em>O(d</em>log<em>d |
|
| 1780 |
///It runs in time <em>O</em>(<em>d</em> log<em>d</em>), where <em>d</em> is |
|
| 1762 | 1781 |
///the number of the outgoing arcs of \c n. |
| 1763 |
|
|
| 1764 | 1782 |
void refresh(Node n) |
| 1765 | 1783 |
{
|
| 1766 | 1784 |
ArcLookUp<G>::refresh(n); |
| 1767 | 1785 |
refreshNext(_head[n]); |
| 1768 | 1786 |
} |
| 1769 | 1787 |
|
| 1770 | 1788 |
///Refresh the full data structure. |
| 1771 | 1789 |
|
| 1772 | 1790 |
///Build up the full search database. In fact, it simply calls |
| 1773 | 1791 |
///\ref refresh(Node) "refresh(n)" for each node \c n. |
| 1774 | 1792 |
/// |
| 1775 |
///It runs in time <em>O(m</em>log<em>D)</em>, where <em>m</em> is |
|
| 1776 |
///the number of the arcs of \c n and <em>D</em> is the maximum |
|
| 1793 |
///It runs in time <em>O</em>(<em>m</em> log<em>D</em>), where <em>m</em> is |
|
| 1794 |
///the number of the arcs in the digraph and <em>D</em> is the maximum |
|
| 1777 | 1795 |
///out-degree of the digraph. |
| 1778 |
|
|
| 1779 | 1796 |
void refresh() |
| 1780 | 1797 |
{
|
| 1781 | 1798 |
for(NodeIt n(_g);n!=INVALID;++n) refresh(_head[n]); |
| 1782 | 1799 |
} |
| 1783 | 1800 |
|
| 1784 | 1801 |
///Find an arc between two nodes. |
| 1785 | 1802 |
|
| 1786 | 1803 |
///Find an arc between two nodes. |
| 1787 |
///\param s The source node |
|
| 1788 |
///\param t The target node |
|
| 1804 |
///\param s The source node. |
|
| 1805 |
///\param t The target node. |
|
| 1789 | 1806 |
///\param prev The previous arc between \c s and \c t. It it is INVALID or |
| 1790 | 1807 |
///not given, the operator finds the first appropriate arc. |
| 1791 | 1808 |
///\return An arc from \c s to \c t after \c prev or |
| 1792 | 1809 |
///\ref INVALID if there is no more. |
| 1793 | 1810 |
/// |
| 1794 | 1811 |
///For example, you can count the number of arcs from \c u to \c v in the |
| 1795 | 1812 |
///following way. |
| 1796 | 1813 |
///\code |
| 1797 | 1814 |
///AllArcLookUp<ListDigraph> ae(g); |
| 1798 | 1815 |
///... |
| 1799 |
///int n=0; |
|
| 1800 |
///for(Arc e=ae(u,v);e!=INVALID;e=ae(u,v,e)) n++; |
|
| 1816 |
///int n = 0; |
|
| 1817 |
///for(Arc a = ae(u,v); a != INVALID; a=ae(u,v,a)) n++; |
|
| 1801 | 1818 |
///\endcode |
| 1802 | 1819 |
/// |
| 1803 |
///Finding the first arc take <em>O(</em>log<em>d)</em> time, where |
|
| 1804 |
/// <em>d</em> is the number of outgoing arcs of \c s. Then, the |
|
| 1820 |
///Finding the first arc take <em>O</em>(log<em>d</em>) time, where |
|
| 1821 |
///<em>d</em> is the number of outgoing arcs of \c s. Then, the |
|
| 1805 | 1822 |
///consecutive arcs are found in constant time. |
| 1806 | 1823 |
/// |
| 1807 | 1824 |
///\warning If you change the digraph, refresh() must be called before using |
| 1808 | 1825 |
///this operator. If you change the outgoing arcs of |
| 1809 |
///a single node \c n, then |
|
| 1810 |
///\ref refresh(Node) "refresh(n)" is enough. |
|
| 1826 |
///a single node \c n, then \ref refresh(Node) "refresh(n)" is enough. |
|
| 1811 | 1827 |
/// |
| 1812 | 1828 |
#ifdef DOXYGEN |
| 1813 | 1829 |
Arc operator()(Node s, Node t, Arc prev=INVALID) const {}
|
| 1814 | 1830 |
#else |
| 1815 | 1831 |
using ArcLookUp<G>::operator() ; |
| 1816 | 1832 |
Arc operator()(Node s, Node t, Arc prev) const |
| 1817 | 1833 |
{
|
| 1818 | 1834 |
return prev==INVALID?(*this)(s,t):_next[prev]; |
| 1819 | 1835 |
} |
| 1820 | 1836 |
#endif |
| 1821 | 1837 |
|
| 1822 | 1838 |
}; |
| 1823 | 1839 |
|
| 1824 | 1840 |
/// @} |
| 1825 | 1841 |
|
| 1826 | 1842 |
} //namespace lemon |
| 1827 | 1843 |
|
| 1828 | 1844 |
#endif |
| ... | ... |
@@ -34,59 +34,57 @@ |
| 34 | 34 |
namespace lemon {
|
| 35 | 35 |
|
| 36 | 36 |
///Default traits class of Dfs class. |
| 37 | 37 |
|
| 38 | 38 |
///Default traits class of Dfs class. |
| 39 | 39 |
///\tparam GR Digraph type. |
| 40 | 40 |
template<class GR> |
| 41 | 41 |
struct DfsDefaultTraits |
| 42 | 42 |
{
|
| 43 | 43 |
///The type of the digraph the algorithm runs on. |
| 44 | 44 |
typedef GR Digraph; |
| 45 | 45 |
|
| 46 | 46 |
///\brief The type of the map that stores the predecessor |
| 47 | 47 |
///arcs of the %DFS paths. |
| 48 | 48 |
/// |
| 49 | 49 |
///The type of the map that stores the predecessor |
| 50 | 50 |
///arcs of the %DFS paths. |
| 51 | 51 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 52 | 52 |
typedef typename Digraph::template NodeMap<typename Digraph::Arc> PredMap; |
| 53 | 53 |
///Instantiates a \ref PredMap. |
| 54 | 54 |
|
| 55 | 55 |
///This function instantiates a \ref PredMap. |
| 56 | 56 |
///\param g is the digraph, to which we would like to define the |
| 57 | 57 |
///\ref PredMap. |
| 58 |
///\todo The digraph alone may be insufficient to initialize |
|
| 59 | 58 |
static PredMap *createPredMap(const Digraph &g) |
| 60 | 59 |
{
|
| 61 | 60 |
return new PredMap(g); |
| 62 | 61 |
} |
| 63 | 62 |
|
| 64 | 63 |
///The type of the map that indicates which nodes are processed. |
| 65 | 64 |
|
| 66 | 65 |
///The type of the map that indicates which nodes are processed. |
| 67 | 66 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 68 |
///By default it is a NullMap. |
|
| 69 | 67 |
typedef NullMap<typename Digraph::Node,bool> ProcessedMap; |
| 70 | 68 |
///Instantiates a \ref ProcessedMap. |
| 71 | 69 |
|
| 72 | 70 |
///This function instantiates a \ref ProcessedMap. |
| 73 | 71 |
///\param g is the digraph, to which |
| 74 | 72 |
///we would like to define the \ref ProcessedMap |
| 75 | 73 |
#ifdef DOXYGEN |
| 76 | 74 |
static ProcessedMap *createProcessedMap(const Digraph &g) |
| 77 | 75 |
#else |
| 78 | 76 |
static ProcessedMap *createProcessedMap(const Digraph &) |
| 79 | 77 |
#endif |
| 80 | 78 |
{
|
| 81 | 79 |
return new ProcessedMap(); |
| 82 | 80 |
} |
| 83 | 81 |
|
| 84 | 82 |
///The type of the map that indicates which nodes are reached. |
| 85 | 83 |
|
| 86 | 84 |
///The type of the map that indicates which nodes are reached. |
| 87 | 85 |
///It must meet the \ref concepts::ReadWriteMap "ReadWriteMap" concept. |
| 88 | 86 |
typedef typename Digraph::template NodeMap<bool> ReachedMap; |
| 89 | 87 |
///Instantiates a \ref ReachedMap. |
| 90 | 88 |
|
| 91 | 89 |
///This function instantiates a \ref ReachedMap. |
| 92 | 90 |
///\param g is the digraph, to which |
| ... | ... |
@@ -175,50 +173,49 @@ |
| 175 | 173 |
typedef typename Digraph::OutArcIt OutArcIt; |
| 176 | 174 |
|
| 177 | 175 |
//Pointer to the underlying digraph. |
| 178 | 176 |
const Digraph *G; |
| 179 | 177 |
//Pointer to the map of predecessor arcs. |
| 180 | 178 |
PredMap *_pred; |
| 181 | 179 |
//Indicates if _pred is locally allocated (true) or not. |
| 182 | 180 |
bool local_pred; |
| 183 | 181 |
//Pointer to the map of distances. |
| 184 | 182 |
DistMap *_dist; |
| 185 | 183 |
//Indicates if _dist is locally allocated (true) or not. |
| 186 | 184 |
bool local_dist; |
| 187 | 185 |
//Pointer to the map of reached status of the nodes. |
| 188 | 186 |
ReachedMap *_reached; |
| 189 | 187 |
//Indicates if _reached is locally allocated (true) or not. |
| 190 | 188 |
bool local_reached; |
| 191 | 189 |
//Pointer to the map of processed status of the nodes. |
| 192 | 190 |
ProcessedMap *_processed; |
| 193 | 191 |
//Indicates if _processed is locally allocated (true) or not. |
| 194 | 192 |
bool local_processed; |
| 195 | 193 |
|
| 196 | 194 |
std::vector<typename Digraph::OutArcIt> _stack; |
| 197 | 195 |
int _stack_head; |
| 198 | 196 |
|
| 199 |
///Creates the maps if necessary. |
|
| 200 |
///\todo Better memory allocation (instead of new). |
|
| 197 |
//Creates the maps if necessary. |
|
| 201 | 198 |
void create_maps() |
| 202 | 199 |
{
|
| 203 | 200 |
if(!_pred) {
|
| 204 | 201 |
local_pred = true; |
| 205 | 202 |
_pred = Traits::createPredMap(*G); |
| 206 | 203 |
} |
| 207 | 204 |
if(!_dist) {
|
| 208 | 205 |
local_dist = true; |
| 209 | 206 |
_dist = Traits::createDistMap(*G); |
| 210 | 207 |
} |
| 211 | 208 |
if(!_reached) {
|
| 212 | 209 |
local_reached = true; |
| 213 | 210 |
_reached = Traits::createReachedMap(*G); |
| 214 | 211 |
} |
| 215 | 212 |
if(!_processed) {
|
| 216 | 213 |
local_processed = true; |
| 217 | 214 |
_processed = Traits::createProcessedMap(*G); |
| 218 | 215 |
} |
| 219 | 216 |
} |
| 220 | 217 |
|
| 221 | 218 |
protected: |
| 222 | 219 |
|
| 223 | 220 |
Dfs() {}
|
| 224 | 221 |
|
| ... | ... |
@@ -761,49 +758,48 @@ |
| 761 | 758 |
}; |
| 762 | 759 |
|
| 763 | 760 |
///Default traits class of dfs() function. |
| 764 | 761 |
|
| 765 | 762 |
///Default traits class of dfs() function. |
| 766 | 763 |
///\tparam GR Digraph type. |
| 767 | 764 |
template<class GR> |
| 768 | 765 |
struct DfsWizardDefaultTraits |
| 769 | 766 |
{
|
| 770 | 767 |
///The type of the digraph the algorithm runs on. |
| 771 | 768 |
typedef GR Digraph; |
| 772 | 769 |
|
| 773 | 770 |
///\brief The type of the map that stores the predecessor |
| 774 | 771 |
///arcs of the %DFS paths. |
| 775 | 772 |
/// |
| 776 | 773 |
///The type of the map that stores the predecessor |
| 777 | 774 |
///arcs of the %DFS paths. |
| 778 | 775 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 779 | 776 |
typedef typename Digraph::template NodeMap<typename Digraph::Arc> PredMap; |
| 780 | 777 |
///Instantiates a \ref PredMap. |
| 781 | 778 |
|
| 782 | 779 |
///This function instantiates a \ref PredMap. |
| 783 | 780 |
///\param g is the digraph, to which we would like to define the |
| 784 | 781 |
///\ref PredMap. |
| 785 |
///\todo The digraph alone may be insufficient to initialize |
|
| 786 | 782 |
static PredMap *createPredMap(const Digraph &g) |
| 787 | 783 |
{
|
| 788 | 784 |
return new PredMap(g); |
| 789 | 785 |
} |
| 790 | 786 |
|
| 791 | 787 |
///The type of the map that indicates which nodes are processed. |
| 792 | 788 |
|
| 793 | 789 |
///The type of the map that indicates which nodes are processed. |
| 794 | 790 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 795 | 791 |
///By default it is a NullMap. |
| 796 | 792 |
typedef NullMap<typename Digraph::Node,bool> ProcessedMap; |
| 797 | 793 |
///Instantiates a \ref ProcessedMap. |
| 798 | 794 |
|
| 799 | 795 |
///This function instantiates a \ref ProcessedMap. |
| 800 | 796 |
///\param g is the digraph, to which |
| 801 | 797 |
///we would like to define the \ref ProcessedMap. |
| 802 | 798 |
#ifdef DOXYGEN |
| 803 | 799 |
static ProcessedMap *createProcessedMap(const Digraph &g) |
| 804 | 800 |
#else |
| 805 | 801 |
static ProcessedMap *createProcessedMap(const Digraph &) |
| 806 | 802 |
#endif |
| 807 | 803 |
{
|
| 808 | 804 |
return new ProcessedMap(); |
| 809 | 805 |
} |
| ... | ... |
@@ -1296,50 +1292,49 @@ |
| 1296 | 1292 |
typedef _Visitor Visitor; |
| 1297 | 1293 |
|
| 1298 | 1294 |
///The type of the map that indicates which nodes are reached. |
| 1299 | 1295 |
typedef typename Traits::ReachedMap ReachedMap; |
| 1300 | 1296 |
|
| 1301 | 1297 |
private: |
| 1302 | 1298 |
|
| 1303 | 1299 |
typedef typename Digraph::Node Node; |
| 1304 | 1300 |
typedef typename Digraph::NodeIt NodeIt; |
| 1305 | 1301 |
typedef typename Digraph::Arc Arc; |
| 1306 | 1302 |
typedef typename Digraph::OutArcIt OutArcIt; |
| 1307 | 1303 |
|
| 1308 | 1304 |
//Pointer to the underlying digraph. |
| 1309 | 1305 |
const Digraph *_digraph; |
| 1310 | 1306 |
//Pointer to the visitor object. |
| 1311 | 1307 |
Visitor *_visitor; |
| 1312 | 1308 |
//Pointer to the map of reached status of the nodes. |
| 1313 | 1309 |
ReachedMap *_reached; |
| 1314 | 1310 |
//Indicates if _reached is locally allocated (true) or not. |
| 1315 | 1311 |
bool local_reached; |
| 1316 | 1312 |
|
| 1317 | 1313 |
std::vector<typename Digraph::Arc> _stack; |
| 1318 | 1314 |
int _stack_head; |
| 1319 | 1315 |
|
| 1320 |
///Creates the maps if necessary. |
|
| 1321 |
///\todo Better memory allocation (instead of new). |
|
| 1316 |
//Creates the maps if necessary. |
|
| 1322 | 1317 |
void create_maps() {
|
| 1323 | 1318 |
if(!_reached) {
|
| 1324 | 1319 |
local_reached = true; |
| 1325 | 1320 |
_reached = Traits::createReachedMap(*_digraph); |
| 1326 | 1321 |
} |
| 1327 | 1322 |
} |
| 1328 | 1323 |
|
| 1329 | 1324 |
protected: |
| 1330 | 1325 |
|
| 1331 | 1326 |
DfsVisit() {}
|
| 1332 | 1327 |
|
| 1333 | 1328 |
public: |
| 1334 | 1329 |
|
| 1335 | 1330 |
typedef DfsVisit Create; |
| 1336 | 1331 |
|
| 1337 | 1332 |
/// \name Named template parameters |
| 1338 | 1333 |
|
| 1339 | 1334 |
///@{
|
| 1340 | 1335 |
template <class T> |
| 1341 | 1336 |
struct SetReachedMapTraits : public Traits {
|
| 1342 | 1337 |
typedef T ReachedMap; |
| 1343 | 1338 |
static ReachedMap *createReachedMap(const Digraph &digraph) {
|
| 1344 | 1339 |
throw UninitializedParameter(); |
| 1345 | 1340 |
} |
| ... | ... |
@@ -123,61 +123,58 @@ |
| 123 | 123 |
/// |
| 124 | 124 |
///\sa BinHeap |
| 125 | 125 |
///\sa Dijkstra |
| 126 | 126 |
typedef BinHeap<typename LM::Value, HeapCrossRef, std::less<Value> > Heap; |
| 127 | 127 |
///Instantiates a \ref Heap. |
| 128 | 128 |
|
| 129 | 129 |
///This function instantiates a \ref Heap. |
| 130 | 130 |
static Heap *createHeap(HeapCrossRef& r) |
| 131 | 131 |
{
|
| 132 | 132 |
return new Heap(r); |
| 133 | 133 |
} |
| 134 | 134 |
|
| 135 | 135 |
///\brief The type of the map that stores the predecessor |
| 136 | 136 |
///arcs of the shortest paths. |
| 137 | 137 |
/// |
| 138 | 138 |
///The type of the map that stores the predecessor |
| 139 | 139 |
///arcs of the shortest paths. |
| 140 | 140 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 141 | 141 |
typedef typename Digraph::template NodeMap<typename Digraph::Arc> PredMap; |
| 142 | 142 |
///Instantiates a \ref PredMap. |
| 143 | 143 |
|
| 144 | 144 |
///This function instantiates a \ref PredMap. |
| 145 | 145 |
///\param g is the digraph, to which we would like to define the |
| 146 | 146 |
///\ref PredMap. |
| 147 |
///\todo The digraph alone may be insufficient for the initialization |
|
| 148 | 147 |
static PredMap *createPredMap(const Digraph &g) |
| 149 | 148 |
{
|
| 150 | 149 |
return new PredMap(g); |
| 151 | 150 |
} |
| 152 | 151 |
|
| 153 | 152 |
///The type of the map that indicates which nodes are processed. |
| 154 | 153 |
|
| 155 | 154 |
///The type of the map that indicates which nodes are processed. |
| 156 | 155 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 157 | 156 |
///By default it is a NullMap. |
| 158 |
///\todo If it is set to a real map, |
|
| 159 |
///Dijkstra::processed() should read this. |
|
| 160 | 157 |
typedef NullMap<typename Digraph::Node,bool> ProcessedMap; |
| 161 | 158 |
///Instantiates a \ref ProcessedMap. |
| 162 | 159 |
|
| 163 | 160 |
///This function instantiates a \ref ProcessedMap. |
| 164 | 161 |
///\param g is the digraph, to which |
| 165 | 162 |
///we would like to define the \ref ProcessedMap |
| 166 | 163 |
#ifdef DOXYGEN |
| 167 | 164 |
static ProcessedMap *createProcessedMap(const Digraph &g) |
| 168 | 165 |
#else |
| 169 | 166 |
static ProcessedMap *createProcessedMap(const Digraph &) |
| 170 | 167 |
#endif |
| 171 | 168 |
{
|
| 172 | 169 |
return new ProcessedMap(); |
| 173 | 170 |
} |
| 174 | 171 |
|
| 175 | 172 |
///The type of the map that stores the distances of the nodes. |
| 176 | 173 |
|
| 177 | 174 |
///The type of the map that stores the distances of the nodes. |
| 178 | 175 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 179 | 176 |
typedef typename Digraph::template NodeMap<typename LM::Value> DistMap; |
| 180 | 177 |
///Instantiates a \ref DistMap. |
| 181 | 178 |
|
| 182 | 179 |
///This function instantiates a \ref DistMap. |
| 183 | 180 |
///\param g is the digraph, to which we would like to define |
| ... | ... |
@@ -276,50 +273,49 @@ |
| 276 | 273 |
const Digraph *G; |
| 277 | 274 |
//Pointer to the length map. |
| 278 | 275 |
const LengthMap *length; |
| 279 | 276 |
//Pointer to the map of predecessors arcs. |
| 280 | 277 |
PredMap *_pred; |
| 281 | 278 |
//Indicates if _pred is locally allocated (true) or not. |
| 282 | 279 |
bool local_pred; |
| 283 | 280 |
//Pointer to the map of distances. |
| 284 | 281 |
DistMap *_dist; |
| 285 | 282 |
//Indicates if _dist is locally allocated (true) or not. |
| 286 | 283 |
bool local_dist; |
| 287 | 284 |
//Pointer to the map of processed status of the nodes. |
| 288 | 285 |
ProcessedMap *_processed; |
| 289 | 286 |
//Indicates if _processed is locally allocated (true) or not. |
| 290 | 287 |
bool local_processed; |
| 291 | 288 |
//Pointer to the heap cross references. |
| 292 | 289 |
HeapCrossRef *_heap_cross_ref; |
| 293 | 290 |
//Indicates if _heap_cross_ref is locally allocated (true) or not. |
| 294 | 291 |
bool local_heap_cross_ref; |
| 295 | 292 |
//Pointer to the heap. |
| 296 | 293 |
Heap *_heap; |
| 297 | 294 |
//Indicates if _heap is locally allocated (true) or not. |
| 298 | 295 |
bool local_heap; |
| 299 | 296 |
|
| 300 |
///Creates the maps if necessary. |
|
| 301 |
///\todo Better memory allocation (instead of new). |
|
| 297 |
//Creates the maps if necessary. |
|
| 302 | 298 |
void create_maps() |
| 303 | 299 |
{
|
| 304 | 300 |
if(!_pred) {
|
| 305 | 301 |
local_pred = true; |
| 306 | 302 |
_pred = Traits::createPredMap(*G); |
| 307 | 303 |
} |
| 308 | 304 |
if(!_dist) {
|
| 309 | 305 |
local_dist = true; |
| 310 | 306 |
_dist = Traits::createDistMap(*G); |
| 311 | 307 |
} |
| 312 | 308 |
if(!_processed) {
|
| 313 | 309 |
local_processed = true; |
| 314 | 310 |
_processed = Traits::createProcessedMap(*G); |
| 315 | 311 |
} |
| 316 | 312 |
if (!_heap_cross_ref) {
|
| 317 | 313 |
local_heap_cross_ref = true; |
| 318 | 314 |
_heap_cross_ref = Traits::createHeapCrossRef(*G); |
| 319 | 315 |
} |
| 320 | 316 |
if (!_heap) {
|
| 321 | 317 |
local_heap = true; |
| 322 | 318 |
_heap = Traits::createHeap(*_heap_cross_ref); |
| 323 | 319 |
} |
| 324 | 320 |
} |
| 325 | 321 |
|
| ... | ... |
@@ -944,144 +940,138 @@ |
| 944 | 940 |
///The type of the map that stores the arc lengths. |
| 945 | 941 |
|
| 946 | 942 |
///The type of the map that stores the arc lengths. |
| 947 | 943 |
///It must meet the \ref concepts::ReadMap "ReadMap" concept. |
| 948 | 944 |
typedef LM LengthMap; |
| 949 | 945 |
///The type of the length of the arcs. |
| 950 | 946 |
typedef typename LM::Value Value; |
| 951 | 947 |
|
| 952 | 948 |
/// Operation traits for Dijkstra algorithm. |
| 953 | 949 |
|
| 954 | 950 |
/// This class defines the operations that are used in the algorithm. |
| 955 | 951 |
/// \see DijkstraDefaultOperationTraits |
| 956 | 952 |
typedef DijkstraDefaultOperationTraits<Value> OperationTraits; |
| 957 | 953 |
|
| 958 | 954 |
/// The cross reference type used by the heap. |
| 959 | 955 |
|
| 960 | 956 |
/// The cross reference type used by the heap. |
| 961 | 957 |
/// Usually it is \c Digraph::NodeMap<int>. |
| 962 | 958 |
typedef typename Digraph::template NodeMap<int> HeapCrossRef; |
| 963 | 959 |
///Instantiates a \ref HeapCrossRef. |
| 964 | 960 |
|
| 965 | 961 |
///This function instantiates a \ref HeapCrossRef. |
| 966 | 962 |
/// \param g is the digraph, to which we would like to define the |
| 967 | 963 |
/// HeapCrossRef. |
| 968 |
/// \todo The digraph alone may be insufficient for the initialization |
|
| 969 | 964 |
static HeapCrossRef *createHeapCrossRef(const Digraph &g) |
| 970 | 965 |
{
|
| 971 | 966 |
return new HeapCrossRef(g); |
| 972 | 967 |
} |
| 973 | 968 |
|
| 974 | 969 |
///The heap type used by the Dijkstra algorithm. |
| 975 | 970 |
|
| 976 | 971 |
///The heap type used by the Dijkstra algorithm. |
| 977 | 972 |
/// |
| 978 | 973 |
///\sa BinHeap |
| 979 | 974 |
///\sa Dijkstra |
| 980 | 975 |
typedef BinHeap<Value, typename Digraph::template NodeMap<int>, |
| 981 | 976 |
std::less<Value> > Heap; |
| 982 | 977 |
|
| 983 | 978 |
///Instantiates a \ref Heap. |
| 984 | 979 |
|
| 985 | 980 |
///This function instantiates a \ref Heap. |
| 986 | 981 |
/// \param r is the HeapCrossRef which is used. |
| 987 | 982 |
static Heap *createHeap(HeapCrossRef& r) |
| 988 | 983 |
{
|
| 989 | 984 |
return new Heap(r); |
| 990 | 985 |
} |
| 991 | 986 |
|
| 992 | 987 |
///\brief The type of the map that stores the predecessor |
| 993 | 988 |
///arcs of the shortest paths. |
| 994 | 989 |
/// |
| 995 | 990 |
///The type of the map that stores the predecessor |
| 996 | 991 |
///arcs of the shortest paths. |
| 997 | 992 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 998 | 993 |
typedef typename Digraph::template NodeMap<typename Digraph::Arc> PredMap; |
| 999 | 994 |
///Instantiates a \ref PredMap. |
| 1000 | 995 |
|
| 1001 | 996 |
///This function instantiates a \ref PredMap. |
| 1002 | 997 |
///\param g is the digraph, to which we would like to define the |
| 1003 | 998 |
///\ref PredMap. |
| 1004 |
///\todo The digraph alone may be insufficient to initialize |
|
| 1005 | 999 |
static PredMap *createPredMap(const Digraph &g) |
| 1006 | 1000 |
{
|
| 1007 | 1001 |
return new PredMap(g); |
| 1008 | 1002 |
} |
| 1009 | 1003 |
|
| 1010 | 1004 |
///The type of the map that indicates which nodes are processed. |
| 1011 | 1005 |
|
| 1012 | 1006 |
///The type of the map that indicates which nodes are processed. |
| 1013 | 1007 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 1014 | 1008 |
///By default it is a NullMap. |
| 1015 |
///\todo If it is set to a real map, |
|
| 1016 |
///Dijkstra::processed() should read this. |
|
| 1017 |
///\todo named parameter to set this type, function to read and write. |
|
| 1018 | 1009 |
typedef NullMap<typename Digraph::Node,bool> ProcessedMap; |
| 1019 | 1010 |
///Instantiates a \ref ProcessedMap. |
| 1020 | 1011 |
|
| 1021 | 1012 |
///This function instantiates a \ref ProcessedMap. |
| 1022 | 1013 |
///\param g is the digraph, to which |
| 1023 | 1014 |
///we would like to define the \ref ProcessedMap. |
| 1024 | 1015 |
#ifdef DOXYGEN |
| 1025 | 1016 |
static ProcessedMap *createProcessedMap(const Digraph &g) |
| 1026 | 1017 |
#else |
| 1027 | 1018 |
static ProcessedMap *createProcessedMap(const Digraph &) |
| 1028 | 1019 |
#endif |
| 1029 | 1020 |
{
|
| 1030 | 1021 |
return new ProcessedMap(); |
| 1031 | 1022 |
} |
| 1032 | 1023 |
|
| 1033 | 1024 |
///The type of the map that stores the distances of the nodes. |
| 1034 | 1025 |
|
| 1035 | 1026 |
///The type of the map that stores the distances of the nodes. |
| 1036 | 1027 |
///It must meet the \ref concepts::WriteMap "WriteMap" concept. |
| 1037 | 1028 |
typedef typename Digraph::template NodeMap<typename LM::Value> DistMap; |
| 1038 | 1029 |
///Instantiates a \ref DistMap. |
| 1039 | 1030 |
|
| 1040 | 1031 |
///This function instantiates a \ref DistMap. |
| 1041 | 1032 |
///\param g is the digraph, to which we would like to define |
| 1042 | 1033 |
///the \ref DistMap |
| 1043 | 1034 |
static DistMap *createDistMap(const Digraph &g) |
| 1044 | 1035 |
{
|
| 1045 | 1036 |
return new DistMap(g); |
| 1046 | 1037 |
} |
| 1047 | 1038 |
|
| 1048 | 1039 |
///The type of the shortest paths. |
| 1049 | 1040 |
|
| 1050 | 1041 |
///The type of the shortest paths. |
| 1051 | 1042 |
///It must meet the \ref concepts::Path "Path" concept. |
| 1052 | 1043 |
typedef lemon::Path<Digraph> Path; |
| 1053 | 1044 |
}; |
| 1054 | 1045 |
|
| 1055 | 1046 |
/// Default traits class used by \ref DijkstraWizard |
| 1056 | 1047 |
|
| 1057 | 1048 |
/// To make it easier to use Dijkstra algorithm |
| 1058 | 1049 |
/// we have created a wizard class. |
| 1059 | 1050 |
/// This \ref DijkstraWizard class needs default traits, |
| 1060 | 1051 |
/// as well as the \ref Dijkstra class. |
| 1061 | 1052 |
/// The \ref DijkstraWizardBase is a class to be the default traits of the |
| 1062 | 1053 |
/// \ref DijkstraWizard class. |
| 1063 |
/// \todo More named parameters are required... |
|
| 1064 | 1054 |
template<class GR,class LM> |
| 1065 | 1055 |
class DijkstraWizardBase : public DijkstraWizardDefaultTraits<GR,LM> |
| 1066 | 1056 |
{
|
| 1067 | 1057 |
typedef DijkstraWizardDefaultTraits<GR,LM> Base; |
| 1068 | 1058 |
protected: |
| 1069 | 1059 |
//The type of the nodes in the digraph. |
| 1070 | 1060 |
typedef typename Base::Digraph::Node Node; |
| 1071 | 1061 |
|
| 1072 | 1062 |
//Pointer to the digraph the algorithm runs on. |
| 1073 | 1063 |
void *_g; |
| 1074 | 1064 |
//Pointer to the length map. |
| 1075 | 1065 |
void *_length; |
| 1076 | 1066 |
//Pointer to the map of processed nodes. |
| 1077 | 1067 |
void *_processed; |
| 1078 | 1068 |
//Pointer to the map of predecessors arcs. |
| 1079 | 1069 |
void *_pred; |
| 1080 | 1070 |
//Pointer to the map of distances. |
| 1081 | 1071 |
void *_dist; |
| 1082 | 1072 |
//Pointer to the shortest path to the target node. |
| 1083 | 1073 |
void *_path; |
| 1084 | 1074 |
//Pointer to the distance of the target node. |
| 1085 | 1075 |
void *_di; |
| 1086 | 1076 |
|
| 1087 | 1077 |
public: |
| ... | ... |
@@ -81,50 +81,48 @@ |
| 81 | 81 |
} catch (...) {}
|
| 82 | 82 |
} |
| 83 | 83 |
|
| 84 | 84 |
const Type& get() const {
|
| 85 | 85 |
return *ptr; |
| 86 | 86 |
} |
| 87 | 87 |
|
| 88 | 88 |
bool valid() const throw() {
|
| 89 | 89 |
return ptr.get() != 0; |
| 90 | 90 |
} |
| 91 | 91 |
|
| 92 | 92 |
private: |
| 93 | 93 |
std::auto_ptr<_Type> ptr; |
| 94 | 94 |
}; |
| 95 | 95 |
|
| 96 | 96 |
/// Exception-safe convenient error message builder class. |
| 97 | 97 |
|
| 98 | 98 |
/// Helper class which provides a convenient ostream-like (operator << |
| 99 | 99 |
/// based) interface to create a string message. Mostly useful in |
| 100 | 100 |
/// exception classes (therefore the name). |
| 101 | 101 |
class ErrorMessage {
|
| 102 | 102 |
protected: |
| 103 | 103 |
///\e |
| 104 | 104 |
|
| 105 |
///\todo The good solution is boost::shared_ptr... |
|
| 106 |
/// |
|
| 107 | 105 |
mutable std::auto_ptr<std::ostringstream> buf; |
| 108 | 106 |
|
| 109 | 107 |
///\e |
| 110 | 108 |
bool init() throw() {
|
| 111 | 109 |
try {
|
| 112 | 110 |
buf.reset(new std::ostringstream); |
| 113 | 111 |
} |
| 114 | 112 |
catch(...) {
|
| 115 | 113 |
buf.reset(); |
| 116 | 114 |
} |
| 117 | 115 |
return buf.get(); |
| 118 | 116 |
} |
| 119 | 117 |
|
| 120 | 118 |
public: |
| 121 | 119 |
|
| 122 | 120 |
///\e |
| 123 | 121 |
ErrorMessage() throw() { init(); }
|
| 124 | 122 |
|
| 125 | 123 |
ErrorMessage(const ErrorMessage& em) throw() : buf(em.buf) { }
|
| 126 | 124 |
|
| 127 | 125 |
///\e |
| 128 | 126 |
ErrorMessage(const char *msg) throw() {
|
| 129 | 127 |
init(); |
| 130 | 128 |
*this << msg; |
| ... | ... |
@@ -645,100 +645,97 @@ |
| 645 | 645 |
{
|
| 646 | 646 |
switch(t) {
|
| 647 | 647 |
case CIRCLE: |
| 648 | 648 |
case MALE: |
| 649 | 649 |
case FEMALE: |
| 650 | 650 |
return p.normSquare()<=r*r; |
| 651 | 651 |
case SQUARE: |
| 652 | 652 |
return p.x<=r&&p.x>=-r&&p.y<=r&&p.y>=-r; |
| 653 | 653 |
case DIAMOND: |
| 654 | 654 |
return p.x+p.y<=r && p.x-p.y<=r && -p.x+p.y<=r && -p.x-p.y<=r; |
| 655 | 655 |
} |
| 656 | 656 |
return false; |
| 657 | 657 |
} |
| 658 | 658 |
|
| 659 | 659 |
public: |
| 660 | 660 |
~GraphToEps() { }
|
| 661 | 661 |
|
| 662 | 662 |
///Draws the graph. |
| 663 | 663 |
|
| 664 | 664 |
///Like other functions using |
| 665 | 665 |
///\ref named-templ-func-param "named template parameters", |
| 666 | 666 |
///this function calls the algorithm itself, i.e. in this case |
| 667 | 667 |
///it draws the graph. |
| 668 | 668 |
void run() {
|
| 669 |
//\todo better 'epsilon' would be nice here. |
|
| 670 | 669 |
const double EPSILON=1e-9; |
| 671 | 670 |
if(dontPrint) return; |
| 672 | 671 |
|
| 673 | 672 |
_graph_to_eps_bits::_NegY<typename T::CoordsMapType> |
| 674 | 673 |
mycoords(_coords,_negY); |
| 675 | 674 |
|
| 676 | 675 |
os << "%!PS-Adobe-2.0 EPSF-2.0\n"; |
| 677 | 676 |
if(_title.size()>0) os << "%%Title: " << _title << '\n'; |
| 678 | 677 |
if(_copyright.size()>0) os << "%%Copyright: " << _copyright << '\n'; |
| 679 | 678 |
os << "%%Creator: LEMON, graphToEps()\n"; |
| 680 | 679 |
|
| 681 | 680 |
{
|
| 682 | 681 |
#ifndef WIN32 |
| 683 | 682 |
timeval tv; |
| 684 | 683 |
gettimeofday(&tv, 0); |
| 685 | 684 |
|
| 686 | 685 |
char cbuf[26]; |
| 687 | 686 |
ctime_r(&tv.tv_sec,cbuf); |
| 688 | 687 |
os << "%%CreationDate: " << cbuf; |
| 689 | 688 |
#else |
| 690 | 689 |
SYSTEMTIME time; |
| 691 | 690 |
char buf1[11], buf2[9], buf3[5]; |
| 692 | 691 |
|
| 693 | 692 |
GetSystemTime(&time); |
| 694 | 693 |
if (GetDateFormat(LOCALE_USER_DEFAULT, 0, &time, |
| 695 | 694 |
"ddd MMM dd", buf1, 11) && |
| 696 | 695 |
GetTimeFormat(LOCALE_USER_DEFAULT, 0, &time, |
| 697 | 696 |
"HH':'mm':'ss", buf2, 9) && |
| 698 | 697 |
GetDateFormat(LOCALE_USER_DEFAULT, 0, &time, |
| 699 | 698 |
"yyyy", buf3, 5)) {
|
| 700 | 699 |
os << "%%CreationDate: " << buf1 << ' ' |
| 701 | 700 |
<< buf2 << ' ' << buf3 << std::endl; |
| 702 | 701 |
} |
| 703 | 702 |
#endif |
| 704 | 703 |
} |
| 705 | 704 |
|
| 706 | 705 |
if (_autoArcWidthScale) {
|
| 707 | 706 |
double max_w=0; |
| 708 | 707 |
for(ArcIt e(g);e!=INVALID;++e) |
| 709 | 708 |
max_w=std::max(double(_arcWidths[e]),max_w); |
| 710 |
//\todo better 'epsilon' would be nice here. |
|
| 711 | 709 |
if(max_w>EPSILON) {
|
| 712 | 710 |
_arcWidthScale/=max_w; |
| 713 | 711 |
} |
| 714 | 712 |
} |
| 715 | 713 |
|
| 716 | 714 |
if (_autoNodeScale) {
|
| 717 | 715 |
double max_s=0; |
| 718 | 716 |
for(NodeIt n(g);n!=INVALID;++n) |
| 719 | 717 |
max_s=std::max(double(_nodeSizes[n]),max_s); |
| 720 |
//\todo better 'epsilon' would be nice here. |
|
| 721 | 718 |
if(max_s>EPSILON) {
|
| 722 | 719 |
_nodeScale/=max_s; |
| 723 | 720 |
} |
| 724 | 721 |
} |
| 725 | 722 |
|
| 726 | 723 |
double diag_len = 1; |
| 727 | 724 |
if(!(_absoluteNodeSizes&&_absoluteArcWidths)) {
|
| 728 | 725 |
dim2::Box<double> bb; |
| 729 | 726 |
for(NodeIt n(g);n!=INVALID;++n) bb.add(mycoords[n]); |
| 730 | 727 |
if (bb.empty()) {
|
| 731 | 728 |
bb = dim2::Box<double>(dim2::Point<double>(0,0)); |
| 732 | 729 |
} |
| 733 | 730 |
diag_len = std::sqrt((bb.bottomLeft()-bb.topRight()).normSquare()); |
| 734 | 731 |
if(diag_len<EPSILON) diag_len = 1; |
| 735 | 732 |
if(!_absoluteNodeSizes) _nodeScale*=diag_len; |
| 736 | 733 |
if(!_absoluteArcWidths) _arcWidthScale*=diag_len; |
| 737 | 734 |
} |
| 738 | 735 |
|
| 739 | 736 |
dim2::Box<double> bb; |
| 740 | 737 |
for(NodeIt n(g);n!=INVALID;++n) {
|
| 741 | 738 |
double ns=_nodeSizes[n]*_nodeScale; |
| 742 | 739 |
dim2::Point<double> p(ns,ns); |
| 743 | 740 |
switch(_nodeShapes[n]) {
|
| 744 | 741 |
case CIRCLE: |
| ... | ... |
@@ -852,82 +849,80 @@ |
| 852 | 849 |
<< " len w sub arrl sub dx dy lrl\n" |
| 853 | 850 |
<< " arrw dy dx neg lrl\n" |
| 854 | 851 |
<< " dx arrl w add mul dy w 2 div arrw add mul sub\n" |
| 855 | 852 |
<< " dy arrl w add mul dx w 2 div arrw add mul add rlineto\n" |
| 856 | 853 |
<< " dx arrl w add mul neg dy w 2 div arrw add mul sub\n" |
| 857 | 854 |
<< " dy arrl w add mul neg dx w 2 div arrw add mul add rlineto\n" |
| 858 | 855 |
<< " arrw dy dx neg lrl\n" |
| 859 | 856 |
<< " len w sub arrl sub neg dx dy lrl\n" |
| 860 | 857 |
<< " closepath fill } bind def\n"; |
| 861 | 858 |
os << "/cshow { 2 index 2 index moveto dup stringwidth pop\n"
|
| 862 | 859 |
<< " neg 2 div fosi .35 mul neg rmoveto show pop pop} def\n"; |
| 863 | 860 |
|
| 864 | 861 |
os << "\ngsave\n"; |
| 865 | 862 |
if(_scaleToA4) |
| 866 | 863 |
if(bb.height()>bb.width()) {
|
| 867 | 864 |
double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.height(), |
| 868 | 865 |
(A4WIDTH-2*A4BORDER)/bb.width()); |
| 869 | 866 |
os << ((A4WIDTH -2*A4BORDER)-sc*bb.width())/2 + A4BORDER << ' ' |
| 870 | 867 |
<< ((A4HEIGHT-2*A4BORDER)-sc*bb.height())/2 + A4BORDER |
| 871 | 868 |
<< " translate\n" |
| 872 | 869 |
<< sc << " dup scale\n" |
| 873 | 870 |
<< -bb.left() << ' ' << -bb.bottom() << " translate\n"; |
| 874 | 871 |
} |
| 875 | 872 |
else {
|
| 876 |
//\todo Verify centering |
|
| 877 | 873 |
double sc= std::min((A4HEIGHT-2*A4BORDER)/bb.width(), |
| 878 | 874 |
(A4WIDTH-2*A4BORDER)/bb.height()); |
| 879 | 875 |
os << ((A4WIDTH -2*A4BORDER)-sc*bb.height())/2 + A4BORDER << ' ' |
| 880 | 876 |
<< ((A4HEIGHT-2*A4BORDER)-sc*bb.width())/2 + A4BORDER |
| 881 | 877 |
<< " translate\n" |
| 882 | 878 |
<< sc << " dup scale\n90 rotate\n" |
| 883 | 879 |
<< -bb.left() << ' ' << -bb.top() << " translate\n"; |
| 884 | 880 |
} |
| 885 | 881 |
else if(_scale!=1.0) os << _scale << " dup scale\n"; |
| 886 | 882 |
|
| 887 | 883 |
if(_showArcs) {
|
| 888 | 884 |
os << "%Arcs:\ngsave\n"; |
| 889 | 885 |
if(_enableParallel) {
|
| 890 | 886 |
std::vector<Arc> el; |
| 891 | 887 |
for(ArcIt e(g);e!=INVALID;++e) |
| 892 | 888 |
if((!_undirected||g.source(e)<g.target(e))&&_arcWidths[e]>0 |
| 893 | 889 |
&&g.source(e)!=g.target(e)) |
| 894 | 890 |
el.push_back(e); |
| 895 | 891 |
std::sort(el.begin(),el.end(),arcLess(g)); |
| 896 | 892 |
|
| 897 | 893 |
typename std::vector<Arc>::iterator j; |
| 898 | 894 |
for(typename std::vector<Arc>::iterator i=el.begin();i!=el.end();i=j) {
|
| 899 | 895 |
for(j=i+1;j!=el.end()&&isParallel(*i,*j);++j) ; |
| 900 | 896 |
|
| 901 | 897 |
double sw=0; |
| 902 | 898 |
for(typename std::vector<Arc>::iterator e=i;e!=j;++e) |
| 903 | 899 |
sw+=_arcWidths[*e]*_arcWidthScale+_parArcDist; |
| 904 | 900 |
sw-=_parArcDist; |
| 905 | 901 |
sw/=-2.0; |
| 906 | 902 |
dim2::Point<double> |
| 907 | 903 |
dvec(mycoords[g.target(*i)]-mycoords[g.source(*i)]); |
| 908 | 904 |
double l=std::sqrt(dvec.normSquare()); |
| 909 |
//\todo better 'epsilon' would be nice here. |
|
| 910 | 905 |
dim2::Point<double> d(dvec/std::max(l,EPSILON)); |
| 911 | 906 |
dim2::Point<double> m; |
| 912 | 907 |
// m=dim2::Point<double>(mycoords[g.target(*i)]+ |
| 913 | 908 |
// mycoords[g.source(*i)])/2.0; |
| 914 | 909 |
|
| 915 | 910 |
// m=dim2::Point<double>(mycoords[g.source(*i)])+ |
| 916 | 911 |
// dvec*(double(_nodeSizes[g.source(*i)])/ |
| 917 | 912 |
// (_nodeSizes[g.source(*i)]+_nodeSizes[g.target(*i)])); |
| 918 | 913 |
|
| 919 | 914 |
m=dim2::Point<double>(mycoords[g.source(*i)])+ |
| 920 | 915 |
d*(l+_nodeSizes[g.source(*i)]-_nodeSizes[g.target(*i)])/2.0; |
| 921 | 916 |
|
| 922 | 917 |
for(typename std::vector<Arc>::iterator e=i;e!=j;++e) {
|
| 923 | 918 |
sw+=_arcWidths[*e]*_arcWidthScale/2.0; |
| 924 | 919 |
dim2::Point<double> mm=m+rot90(d)*sw/.75; |
| 925 | 920 |
if(_drawArrows) {
|
| 926 | 921 |
int node_shape; |
| 927 | 922 |
dim2::Point<double> s=mycoords[g.source(*e)]; |
| 928 | 923 |
dim2::Point<double> t=mycoords[g.target(*e)]; |
| 929 | 924 |
double rn=_nodeSizes[g.target(*e)]*_nodeScale; |
| 930 | 925 |
node_shape=_nodeShapes[g.target(*e)]; |
| 931 | 926 |
dim2::Bezier3 bez(s,mm,mm,t); |
| 932 | 927 |
double t1=0,t2=1; |
| 933 | 928 |
for(int ii=0;ii<INTERPOL_PREC;++ii) |
| ... | ... |
@@ -480,52 +480,50 @@ |
| 480 | 480 |
e=f; |
| 481 | 481 |
} |
| 482 | 482 |
for(InArcIt e(*this,b);e!=INVALID;) {
|
| 483 | 483 |
InArcIt f=e; |
| 484 | 484 |
++f; |
| 485 | 485 |
if(r && source(e)==a) erase(e); |
| 486 | 486 |
else changeTarget(e,a); |
| 487 | 487 |
e=f; |
| 488 | 488 |
} |
| 489 | 489 |
erase(b); |
| 490 | 490 |
} |
| 491 | 491 |
|
| 492 | 492 |
///Split a node. |
| 493 | 493 |
|
| 494 | 494 |
///This function splits a node. First a new node is added to the digraph, |
| 495 | 495 |
///then the source of each outgoing arc of \c n is moved to this new node. |
| 496 | 496 |
///If \c connect is \c true (this is the default value), then a new arc |
| 497 | 497 |
///from \c n to the newly created node is also added. |
| 498 | 498 |
///\return The newly created node. |
| 499 | 499 |
/// |
| 500 | 500 |
///\note The <tt>ArcIt</tt>s referencing a moved arc remain |
| 501 | 501 |
///valid. However <tt>InArcIt</tt>s and <tt>OutArcIt</tt>s may |
| 502 | 502 |
///be invalidated. |
| 503 | 503 |
/// |
| 504 |
///\warning This functionality cannot be used |
|
| 504 |
///\warning This functionality cannot be used in conjunction with the |
|
| 505 | 505 |
///Snapshot feature. |
| 506 |
/// |
|
| 507 |
///\todo It could be implemented in a bit faster way. |
|
| 508 | 506 |
Node split(Node n, bool connect = true) {
|
| 509 | 507 |
Node b = addNode(); |
| 510 | 508 |
for(OutArcIt e(*this,n);e!=INVALID;) {
|
| 511 | 509 |
OutArcIt f=e; |
| 512 | 510 |
++f; |
| 513 | 511 |
changeSource(e,b); |
| 514 | 512 |
e=f; |
| 515 | 513 |
} |
| 516 | 514 |
if (connect) addArc(n,b); |
| 517 | 515 |
return b; |
| 518 | 516 |
} |
| 519 | 517 |
|
| 520 | 518 |
///Split an arc. |
| 521 | 519 |
|
| 522 | 520 |
///This function splits an arc. First a new node \c b is added to |
| 523 | 521 |
///the digraph, then the original arc is re-targeted to \c |
| 524 | 522 |
///b. Finally an arc from \c b to the original target is added. |
| 525 | 523 |
/// |
| 526 | 524 |
///\return The newly created node. |
| 527 | 525 |
/// |
| 528 | 526 |
///\warning This functionality cannot be used together with the |
| 529 | 527 |
///Snapshot feature. |
| 530 | 528 |
Node split(Arc e) {
|
| 531 | 529 |
Node b = addNode(); |
| ... | ... |
@@ -463,50 +463,48 @@ |
| 463 | 463 |
|
| 464 | 464 |
/// @} |
| 465 | 465 |
|
| 466 | 466 |
/// \addtogroup map_adaptors |
| 467 | 467 |
/// @{
|
| 468 | 468 |
|
| 469 | 469 |
/// Composition of two maps |
| 470 | 470 |
|
| 471 | 471 |
/// This \ref concepts::ReadMap "read-only map" returns the |
| 472 | 472 |
/// composition of two given maps. That is to say, if \c m1 is of |
| 473 | 473 |
/// type \c M1 and \c m2 is of \c M2, then for |
| 474 | 474 |
/// \code |
| 475 | 475 |
/// ComposeMap<M1, M2> cm(m1,m2); |
| 476 | 476 |
/// \endcode |
| 477 | 477 |
/// <tt>cm[x]</tt> will be equal to <tt>m1[m2[x]]</tt>. |
| 478 | 478 |
/// |
| 479 | 479 |
/// The \c Key type of the map is inherited from \c M2 and the |
| 480 | 480 |
/// \c Value type is from \c M1. |
| 481 | 481 |
/// \c M2::Value must be convertible to \c M1::Key. |
| 482 | 482 |
/// |
| 483 | 483 |
/// The simplest way of using this map is through the composeMap() |
| 484 | 484 |
/// function. |
| 485 | 485 |
/// |
| 486 | 486 |
/// \sa CombineMap |
| 487 |
/// |
|
| 488 |
/// \todo Check the requirements. |
|
| 489 | 487 |
template <typename M1, typename M2> |
| 490 | 488 |
class ComposeMap : public MapBase<typename M2::Key, typename M1::Value> {
|
| 491 | 489 |
const M1 &_m1; |
| 492 | 490 |
const M2 &_m2; |
| 493 | 491 |
public: |
| 494 | 492 |
typedef MapBase<typename M2::Key, typename M1::Value> Parent; |
| 495 | 493 |
typedef typename Parent::Key Key; |
| 496 | 494 |
typedef typename Parent::Value Value; |
| 497 | 495 |
|
| 498 | 496 |
/// Constructor |
| 499 | 497 |
ComposeMap(const M1 &m1, const M2 &m2) : _m1(m1), _m2(m2) {}
|
| 500 | 498 |
|
| 501 | 499 |
/// \e |
| 502 | 500 |
typename MapTraits<M1>::ConstReturnValue |
| 503 | 501 |
operator[](const Key &k) const { return _m1[_m2[k]]; }
|
| 504 | 502 |
}; |
| 505 | 503 |
|
| 506 | 504 |
/// Returns a \ref ComposeMap class |
| 507 | 505 |
|
| 508 | 506 |
/// This function just returns a \ref ComposeMap class. |
| 509 | 507 |
/// |
| 510 | 508 |
/// If \c m1 and \c m2 are maps and the \c Value type of \c m2 is |
| 511 | 509 |
/// convertible to the \c Key of \c m1, then <tt>composeMap(m1,m2)[x]</tt> |
| 512 | 510 |
/// will be equal to <tt>m1[m2[x]]</tt>. |
| ... | ... |
@@ -519,50 +517,48 @@ |
| 519 | 517 |
|
| 520 | 518 |
|
| 521 | 519 |
/// Combination of two maps using an STL (binary) functor. |
| 522 | 520 |
|
| 523 | 521 |
/// This \ref concepts::ReadMap "read-only map" takes two maps and a |
| 524 | 522 |
/// binary functor and returns the combination of the two given maps |
| 525 | 523 |
/// using the functor. |
| 526 | 524 |
/// That is to say, if \c m1 is of type \c M1 and \c m2 is of \c M2 |
| 527 | 525 |
/// and \c f is of \c F, then for |
| 528 | 526 |
/// \code |
| 529 | 527 |
/// CombineMap<M1,M2,F,V> cm(m1,m2,f); |
| 530 | 528 |
/// \endcode |
| 531 | 529 |
/// <tt>cm[x]</tt> will be equal to <tt>f(m1[x],m2[x])</tt>. |
| 532 | 530 |
/// |
| 533 | 531 |
/// The \c Key type of the map is inherited from \c M1 (\c M1::Key |
| 534 | 532 |
/// must be convertible to \c M2::Key) and the \c Value type is \c V. |
| 535 | 533 |
/// \c M2::Value and \c M1::Value must be convertible to the |
| 536 | 534 |
/// corresponding input parameter of \c F and the return type of \c F |
| 537 | 535 |
/// must be convertible to \c V. |
| 538 | 536 |
/// |
| 539 | 537 |
/// The simplest way of using this map is through the combineMap() |
| 540 | 538 |
/// function. |
| 541 | 539 |
/// |
| 542 | 540 |
/// \sa ComposeMap |
| 543 |
/// |
|
| 544 |
/// \todo Check the requirements. |
|
| 545 | 541 |
template<typename M1, typename M2, typename F, |
| 546 | 542 |
typename V = typename F::result_type> |
| 547 | 543 |
class CombineMap : public MapBase<typename M1::Key, V> {
|
| 548 | 544 |
const M1 &_m1; |
| 549 | 545 |
const M2 &_m2; |
| 550 | 546 |
F _f; |
| 551 | 547 |
public: |
| 552 | 548 |
typedef MapBase<typename M1::Key, V> Parent; |
| 553 | 549 |
typedef typename Parent::Key Key; |
| 554 | 550 |
typedef typename Parent::Value Value; |
| 555 | 551 |
|
| 556 | 552 |
/// Constructor |
| 557 | 553 |
CombineMap(const M1 &m1, const M2 &m2, const F &f = F()) |
| 558 | 554 |
: _m1(m1), _m2(m2), _f(f) {}
|
| 559 | 555 |
/// \e |
| 560 | 556 |
Value operator[](const Key &k) const { return _f(_m1[k],_m2[k]); }
|
| 561 | 557 |
}; |
| 562 | 558 |
|
| 563 | 559 |
/// Returns a \ref CombineMap class |
| 564 | 560 |
|
| 565 | 561 |
/// This function just returns a \ref CombineMap class. |
| 566 | 562 |
/// |
| 567 | 563 |
/// For example, if \c m1 and \c m2 are both maps with \c double |
| 568 | 564 |
/// values, then |
| ... | ... |
@@ -800,49 +800,48 @@ |
| 800 | 800 |
/// a new random word and fill the buffer up. |
| 801 | 801 |
bool boolean() {
|
| 802 | 802 |
return bool_producer.convert(core); |
| 803 | 803 |
} |
| 804 | 804 |
|
| 805 | 805 |
/// @} |
| 806 | 806 |
|
| 807 | 807 |
///\name Non-uniform distributions |
| 808 | 808 |
/// |
| 809 | 809 |
|
| 810 | 810 |
///@{
|
| 811 | 811 |
|
| 812 | 812 |
/// \brief Returns a random bool |
| 813 | 813 |
/// |
| 814 | 814 |
/// It returns a random bool with given probability of true result. |
| 815 | 815 |
bool boolean(double p) {
|
| 816 | 816 |
return operator()() < p; |
| 817 | 817 |
} |
| 818 | 818 |
|
| 819 | 819 |
/// Standard Gauss distribution |
| 820 | 820 |
|
| 821 | 821 |
/// Standard Gauss distribution. |
| 822 | 822 |
/// \note The Cartesian form of the Box-Muller |
| 823 | 823 |
/// transformation is used to generate a random normal distribution. |
| 824 |
/// \todo Consider using the "ziggurat" method instead. |
|
| 825 | 824 |
double gauss() |
| 826 | 825 |
{
|
| 827 | 826 |
double V1,V2,S; |
| 828 | 827 |
do {
|
| 829 | 828 |
V1=2*real<double>()-1; |
| 830 | 829 |
V2=2*real<double>()-1; |
| 831 | 830 |
S=V1*V1+V2*V2; |
| 832 | 831 |
} while(S>=1); |
| 833 | 832 |
return std::sqrt(-2*std::log(S)/S)*V1; |
| 834 | 833 |
} |
| 835 | 834 |
/// Gauss distribution with given mean and standard deviation |
| 836 | 835 |
|
| 837 | 836 |
/// Gauss distribution with given mean and standard deviation. |
| 838 | 837 |
/// \sa gauss() |
| 839 | 838 |
double gauss(double mean,double std_dev) |
| 840 | 839 |
{
|
| 841 | 840 |
return gauss()*std_dev+mean; |
| 842 | 841 |
} |
| 843 | 842 |
|
| 844 | 843 |
/// Exponential distribution with given mean |
| 845 | 844 |
|
| 846 | 845 |
/// This function generates an exponential distribution random number |
| 847 | 846 |
/// with mean <tt>1/lambda</tt>. |
| 848 | 847 |
/// |
| ... | ... |
@@ -279,49 +279,48 @@ |
| 279 | 279 |
bool valid(Arc a) const { return Parent::valid(a); }
|
| 280 | 280 |
|
| 281 | 281 |
///Clear the digraph. |
| 282 | 282 |
|
| 283 | 283 |
///Erase all the nodes and arcs from the digraph. |
| 284 | 284 |
/// |
| 285 | 285 |
void clear() {
|
| 286 | 286 |
Parent::clear(); |
| 287 | 287 |
} |
| 288 | 288 |
|
| 289 | 289 |
///Split a node. |
| 290 | 290 |
|
| 291 | 291 |
///This function splits a node. First a new node is added to the digraph, |
| 292 | 292 |
///then the source of each outgoing arc of \c n is moved to this new node. |
| 293 | 293 |
///If \c connect is \c true (this is the default value), then a new arc |
| 294 | 294 |
///from \c n to the newly created node is also added. |
| 295 | 295 |
///\return The newly created node. |
| 296 | 296 |
/// |
| 297 | 297 |
///\note The <tt>Arc</tt>s |
| 298 | 298 |
///referencing a moved arc remain |
| 299 | 299 |
///valid. However <tt>InArc</tt>'s and <tt>OutArc</tt>'s |
| 300 | 300 |
///may be invalidated. |
| 301 | 301 |
///\warning This functionality cannot be used together with the Snapshot |
| 302 | 302 |
///feature. |
| 303 |
///\todo It could be implemented in a bit faster way. |
|
| 304 | 303 |
Node split(Node n, bool connect = true) |
| 305 | 304 |
{
|
| 306 | 305 |
Node b = addNode(); |
| 307 | 306 |
nodes[b._id].first_out=nodes[n._id].first_out; |
| 308 | 307 |
nodes[n._id].first_out=-1; |
| 309 | 308 |
for(int i=nodes[b._id].first_out;i!=-1;i++) arcs[i].source=b._id; |
| 310 | 309 |
if(connect) addArc(n,b); |
| 311 | 310 |
return b; |
| 312 | 311 |
} |
| 313 | 312 |
|
| 314 | 313 |
public: |
| 315 | 314 |
|
| 316 | 315 |
class Snapshot; |
| 317 | 316 |
|
| 318 | 317 |
protected: |
| 319 | 318 |
|
| 320 | 319 |
void restoreSnapshot(const Snapshot &s) |
| 321 | 320 |
{
|
| 322 | 321 |
while(s.arc_num<arcs.size()) {
|
| 323 | 322 |
Arc arc = arcFromId(arcs.size()-1); |
| 324 | 323 |
Parent::notifier(Arc()).erase(arc); |
| 325 | 324 |
nodes[arcs.back().source].first_out=arcs.back().next_out; |
| 326 | 325 |
nodes[arcs.back().target].first_in=arcs.back().next_in; |
| 327 | 326 |
arcs.pop_back(); |
| ... | ... |
@@ -271,49 +271,48 @@ |
| 271 | 271 |
/// std::cout << t << '\n'; |
| 272 | 272 |
/// t.restart(); |
| 273 | 273 |
/// doSomethingElse(); |
| 274 | 274 |
/// std::cout << t << '\n'; |
| 275 | 275 |
/// |
| 276 | 276 |
/// ... |
| 277 | 277 |
/// |
| 278 | 278 |
/// } |
| 279 | 279 |
///\endcode |
| 280 | 280 |
/// |
| 281 | 281 |
///The \ref Timer can also be \ref stop() "stopped" and |
| 282 | 282 |
///\ref start() "started" again, so it is possible to compute collected |
| 283 | 283 |
///running times. |
| 284 | 284 |
/// |
| 285 | 285 |
///\warning Depending on the operation system and its actual configuration |
| 286 | 286 |
///the time counters have a certain (10ms on a typical Linux system) |
| 287 | 287 |
///granularity. |
| 288 | 288 |
///Therefore this tool is not appropriate to measure very short times. |
| 289 | 289 |
///Also, if you start and stop the timer very frequently, it could lead to |
| 290 | 290 |
///distorted results. |
| 291 | 291 |
/// |
| 292 | 292 |
///\note If you want to measure the running time of the execution of a certain |
| 293 | 293 |
///function, consider the usage of \ref TimeReport instead. |
| 294 | 294 |
/// |
| 295 |
///\todo This shouldn't be Unix (Linux) specific. |
|
| 296 | 295 |
///\sa TimeReport |
| 297 | 296 |
class Timer |
| 298 | 297 |
{
|
| 299 | 298 |
int _running; //Timer is running iff _running>0; (_running>=0 always holds) |
| 300 | 299 |
TimeStamp start_time; //This is the relativ start-time if the timer |
| 301 | 300 |
//is _running, the collected _running time otherwise. |
| 302 | 301 |
|
| 303 | 302 |
void _reset() {if(_running) start_time.stamp(); else start_time.reset();}
|
| 304 | 303 |
|
| 305 | 304 |
public: |
| 306 | 305 |
///Constructor. |
| 307 | 306 |
|
| 308 | 307 |
///\param run indicates whether or not the timer starts immediately. |
| 309 | 308 |
/// |
| 310 | 309 |
Timer(bool run=true) :_running(run) {_reset();}
|
| 311 | 310 |
|
| 312 | 311 |
///\name Control the state of the timer |
| 313 | 312 |
///Basically a Timer can be either running or stopped, |
| 314 | 313 |
///but it provides a bit finer control on the execution. |
| 315 | 314 |
///The \ref Timer also counts the number of \ref start() |
| 316 | 315 |
///executions, and is stops only after the same amount (or more) |
| 317 | 316 |
///\ref stop() "stop()"s. This can be useful e.g. to compute |
| 318 | 317 |
///the running time |
| 319 | 318 |
///of recursive functions. |
| ... | ... |
@@ -466,49 +465,48 @@ |
| 466 | 465 |
{
|
| 467 | 466 |
TimeStamp t; |
| 468 | 467 |
t.stamp(); |
| 469 | 468 |
return _running?t-start_time:start_time; |
| 470 | 469 |
} |
| 471 | 470 |
|
| 472 | 471 |
|
| 473 | 472 |
///@} |
| 474 | 473 |
}; |
| 475 | 474 |
|
| 476 | 475 |
///Same as \ref Timer but prints a report on destruction. |
| 477 | 476 |
|
| 478 | 477 |
///Same as \ref Timer but prints a report on destruction. |
| 479 | 478 |
///This example shows its usage. |
| 480 | 479 |
///\code |
| 481 | 480 |
/// void myAlg(ListGraph &g,int n) |
| 482 | 481 |
/// {
|
| 483 | 482 |
/// TimeReport tr("Running time of myAlg: ");
|
| 484 | 483 |
/// ... //Here comes the algorithm |
| 485 | 484 |
/// } |
| 486 | 485 |
///\endcode |
| 487 | 486 |
/// |
| 488 | 487 |
///\sa Timer |
| 489 | 488 |
///\sa NoTimeReport |
| 490 |
///\todo There is no test case for this |
|
| 491 | 489 |
class TimeReport : public Timer |
| 492 | 490 |
{
|
| 493 | 491 |
std::string _title; |
| 494 | 492 |
std::ostream &_os; |
| 495 | 493 |
public: |
| 496 | 494 |
///\e |
| 497 | 495 |
|
| 498 | 496 |
///\param title This text will be printed before the ellapsed time. |
| 499 | 497 |
///\param os The stream to print the report to. |
| 500 | 498 |
///\param run Sets whether the timer should start immediately. |
| 501 | 499 |
|
| 502 | 500 |
TimeReport(std::string title,std::ostream &os=std::cerr,bool run=true) |
| 503 | 501 |
: Timer(run), _title(title), _os(os){}
|
| 504 | 502 |
///\e Prints the ellapsed time on destruction. |
| 505 | 503 |
~TimeReport() |
| 506 | 504 |
{
|
| 507 | 505 |
_os << _title << *this << std::endl; |
| 508 | 506 |
} |
| 509 | 507 |
}; |
| 510 | 508 |
|
| 511 | 509 |
///'Do nothing' version of \ref TimeReport |
| 512 | 510 |
|
| 513 | 511 |
///\sa TimeReport |
| 514 | 512 |
/// |
| ... | ... |
@@ -3,50 +3,48 @@ |
| 3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
| 4 | 4 |
* |
| 5 | 5 |
* Copyright (C) 2003-2008 |
| 6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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* (Egervary Research Group on Combinatorial Optimization, EGRES). |
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* |
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* Permission to use, modify and distribute this software is granted |
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* provided that this copyright notice appears in all copies. For |
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* precise terms see the accompanying LICENSE file. |
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* |
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* This software is provided "AS IS" with no warranty of any kind, |
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* express or implied, and with no claim as to its suitability for any |
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* purpose. |
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* |
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*/ |
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|
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#ifndef LEMON_TOLERANCE_H |
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#define LEMON_TOLERANCE_H |
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|
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///\ingroup misc |
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///\file |
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///\brief A basic tool to handle the anomalies of calculation with |
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///floating point numbers. |
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/// |
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///\todo It should be in a module like "Basic tools" |
|
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|
|
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|
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namespace lemon {
|
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|
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/// \addtogroup misc |
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/// @{
|
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|
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///\brief A class to provide a basic way to |
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///handle the comparison of numbers that are obtained |
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///as a result of a probably inexact computation. |
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/// |
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///\ref Tolerance is a class to provide a basic way to |
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///handle the comparison of numbers that are obtained |
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///as a result of a probably inexact computation. |
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/// |
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///This is an abstract class, it should be specialized for all |
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///numerical data types. These specialized classes like |
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///Tolerance<double> may offer additional tuning parameters. |
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/// |
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///\sa Tolerance<float> |
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///\sa Tolerance<double> |
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///\sa Tolerance<long double> |
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///\sa Tolerance<int> |
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///\sa Tolerance<long long int> |
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///\sa Tolerance<unsigned int> |
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#! /usr/bin/env python |
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|
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import sys |
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import os |
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|
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if len(sys.argv)>1 and sys.argv[1] in ["-h","--help"]: |
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print """ |
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This utility just prints the length of the longest path |
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in the revision graph from revison 0 to the current one. |
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""" |
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exit(0) |
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plist = os.popen("hg parents --template='{rev}\n'").readlines()
|
|
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plist = os.popen("HGRCPATH='' hg parents --template='{rev}\n'").readlines()
|
|
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if len(plist)>1: |
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print "You are in the process of merging" |
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exit(1) |
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PAR = int(plist[0]) |
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|
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f = os.popen("hg log -r 0:tip --template='{rev} {parents}\n'").
|
|
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f = os.popen("HGRCPATH='' hg log -r 0:tip --template='{rev} {parents}\n'").\
|
|
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readlines() |
|
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REV = -1 |
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lengths=[] |
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for l in f: |
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REV+=1 |
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s = l.split() |
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rev = int(s[0]) |
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if REV != rev: |
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print "Something is seriously wrong" |
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exit(1) |
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if len(s) == 1: |
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par1 = par2 = rev - 1 |
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elif len(s) == 2: |
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par1 = par2 = int(s[1].split(":")[0])
|
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else: |
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par1 = int(s[1].split(":")[0])
|
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par2 = int(s[2].split(":")[0])
|
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if rev == 0: |
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lengths.append(0) |
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else: |
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lengths.append(max(lengths[par1],lengths[par2])+1) |
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print lengths[PAR] |
| ... | ... |
@@ -42,53 +42,53 @@ |
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fnm[node] = i * i; |
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if (i == 0) fn = node; |
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} |
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|
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for (int i = 0; i < nn; ++i) {
|
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for (int j = 0; j < nn; ++j) {
|
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SmartDigraph::Arc arc = from.addArc(fnv[i], fnv[j]); |
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fam[arc] = i + j * j; |
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if (i == 0 && j == 0) fa = arc; |
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} |
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} |
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|
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ListDigraph to; |
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ListDigraph::NodeMap<int> tnm(to); |
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ListDigraph::ArcMap<int> tam(to); |
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ListDigraph::Node tn; |
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ListDigraph::Arc ta; |
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|
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SmartDigraph::NodeMap<ListDigraph::Node> nr(from); |
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SmartDigraph::ArcMap<ListDigraph::Arc> er(from); |
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|
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ListDigraph::NodeMap<SmartDigraph::Node> ncr(to); |
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ListDigraph::ArcMap<SmartDigraph::Arc> ecr(to); |
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|
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DigraphCopy<ListDigraph, SmartDigraph>(to, from). |
|
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nodeMap(tnm, fnm).arcMap(tam, fam). |
|
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digraphCopy(from, to). |
|
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nodeMap(fnm, tnm).arcMap(fam, tam). |
|
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nodeRef(nr).arcRef(er). |
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nodeCrossRef(ncr).arcCrossRef(ecr). |
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node( |
|
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node(fn, tn).arc(fa, ta).run(); |
|
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|
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for (SmartDigraph::NodeIt it(from); it != INVALID; ++it) {
|
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check(ncr[nr[it]] == it, "Wrong copy."); |
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check(fnm[it] == tnm[nr[it]], "Wrong copy."); |
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} |
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|
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for (SmartDigraph::ArcIt it(from); it != INVALID; ++it) {
|
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check(ecr[er[it]] == it, "Wrong copy."); |
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check(fam[it] == tam[er[it]], "Wrong copy."); |
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check(nr[from.source(it)] == to.source(er[it]), "Wrong copy."); |
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check(nr[from.target(it)] == to.target(er[it]), "Wrong copy."); |
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} |
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|
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for (ListDigraph::NodeIt it(to); it != INVALID; ++it) {
|
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check(nr[ncr[it]] == it, "Wrong copy."); |
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} |
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|
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for (ListDigraph::ArcIt it(to); it != INVALID; ++it) {
|
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check(er[ecr[it]] == it, "Wrong copy."); |
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} |
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check(tn == nr[fn], "Wrong copy."); |
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check(ta == er[fa], "Wrong copy."); |
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} |
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|
| ... | ... |
@@ -117,53 +117,53 @@ |
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fem[edge] = i * i + j * j; |
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fam[from.direct(edge, true)] = i + j * j; |
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fam[from.direct(edge, false)] = i * i + j; |
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if (i == 0 && j == 0) fa = from.direct(edge, true); |
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if (i == 0 && j == 0) fe = edge; |
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} |
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} |
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|
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ListGraph to; |
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ListGraph::NodeMap<int> tnm(to); |
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ListGraph::ArcMap<int> tam(to); |
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ListGraph::EdgeMap<int> tem(to); |
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ListGraph::Node tn; |
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ListGraph::Arc ta; |
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ListGraph::Edge te; |
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|
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SmartGraph::NodeMap<ListGraph::Node> nr(from); |
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SmartGraph::ArcMap<ListGraph::Arc> ar(from); |
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SmartGraph::EdgeMap<ListGraph::Edge> er(from); |
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|
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ListGraph::NodeMap<SmartGraph::Node> ncr(to); |
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ListGraph::ArcMap<SmartGraph::Arc> acr(to); |
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ListGraph::EdgeMap<SmartGraph::Edge> ecr(to); |
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|
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GraphCopy<ListGraph, SmartGraph>(to, from). |
|
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nodeMap(tnm, fnm).arcMap(tam, fam).edgeMap(tem, fem). |
|
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graphCopy(from, to). |
|
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nodeMap(fnm, tnm).arcMap(fam, tam).edgeMap(fem, tem). |
|
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nodeRef(nr).arcRef(ar).edgeRef(er). |
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nodeCrossRef(ncr).arcCrossRef(acr).edgeCrossRef(ecr). |
| 145 |
node( |
|
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node(fn, tn).arc(fa, ta).edge(fe, te).run(); |
|
| 146 | 146 |
|
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for (SmartGraph::NodeIt it(from); it != INVALID; ++it) {
|
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check(ncr[nr[it]] == it, "Wrong copy."); |
| 149 | 149 |
check(fnm[it] == tnm[nr[it]], "Wrong copy."); |
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} |
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|
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for (SmartGraph::ArcIt it(from); it != INVALID; ++it) {
|
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check(acr[ar[it]] == it, "Wrong copy."); |
| 154 | 154 |
check(fam[it] == tam[ar[it]], "Wrong copy."); |
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check(nr[from.source(it)] == to.source(ar[it]), "Wrong copy."); |
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check(nr[from.target(it)] == to.target(ar[it]), "Wrong copy."); |
| 157 | 157 |
} |
| 158 | 158 |
|
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for (SmartGraph::EdgeIt it(from); it != INVALID; ++it) {
|
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check(ecr[er[it]] == it, "Wrong copy."); |
| 161 | 161 |
check(fem[it] == tem[er[it]], "Wrong copy."); |
| 162 | 162 |
check(nr[from.u(it)] == to.u(er[it]) || nr[from.u(it)] == to.v(er[it]), |
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"Wrong copy."); |
| 164 | 164 |
check(nr[from.v(it)] == to.u(er[it]) || nr[from.v(it)] == to.v(er[it]), |
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"Wrong copy."); |
| 166 | 166 |
check((from.u(it) != from.v(it)) == (to.u(er[it]) != to.v(er[it])), |
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"Wrong copy."); |
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} |
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|
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