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deba@inf.elte.hu
deba@inf.elte.hu
Improvement on grid graphs - The indexing of matrix is changed according to integer points of the plane. - The graph type does not depend on the UndirGraphExtender. - Improving documentation. - Improved image generation.
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5 files changed with 800 insertions and 270 deletions:
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%!PS-Adobe-2.0 EPSF-2.0
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%%Title: Grid undirected graph
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%%Copyright: (C) 2006 LEMON Project
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%%Creator: LEMON, graphToEps()
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%%CreationDate: Fri Sep 29 11:55:56 2006
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%%BoundingBox: 0 0 985 1144
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      closepath pop pop pop} bind def
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showpage
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SET(PACKAGE_NAME ${PROJECT_NAME})
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SET(PACKAGE_VERSION ${PROJECT_VERSION})
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SET(abs_top_srcdir ${CMAKE_SOURCE_DIR})
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SET(abs_top_builddir ${CMAKE_BINARY_DIR})
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CONFIGURE_FILE(
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  ${CMAKE_SOURCE_DIR}/doc/Doxyfile.in
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  ${CMAKE_BINARY_DIR}/doc/Doxyfile
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  @ONLY)
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IF(DOXYGEN_EXECUTABLE AND GHOSTSCRIPT_EXECUTABLE)
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  IF(UNIX)
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    ADD_CUSTOM_TARGET(html
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      COMMAND rm -rf gen-images
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      COMMAND mkdir gen-images
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/grid_graph.png ${CMAKE_CURRENT_SOURCE_DIR}/images/grid_graph.eps
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_0.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_0.eps
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_1.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_1.eps
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_2.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_2.eps
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_3.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_3.eps
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_4.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_4.eps
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      COMMAND rm -rf html
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      COMMAND ${DOXYGEN_EXECUTABLE} Doxyfile
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      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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  ELSEIF(WIN32)
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    ADD_CUSTOM_TARGET(html
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      COMMAND if exist gen-images rmdir /s /q gen-images
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      COMMAND mkdir gen-images
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_0.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_0.eps
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_1.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_1.eps
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_2.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_2.eps
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_3.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_3.eps
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      COMMAND ${GHOSTSCRIPT_EXECUTABLE} -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -sDEVICE=pngalpha -r18 -sOutputFile=gen-images/nodeshape_4.png ${CMAKE_CURRENT_SOURCE_DIR}/images/nodeshape_4.eps
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      COMMAND if exist html rmdir /s /q html
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      COMMAND ${DOXYGEN_EXECUTABLE} Doxyfile
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      WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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  ENDIF(UNIX)
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ENDIF(DOXYGEN_EXECUTABLE AND GHOSTSCRIPT_EXECUTABLE)
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INSTALL(
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  DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html/
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  DESTINATION doc
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  COMPONENT html_documentation)
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EXTRA_DIST += \
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	doc/Doxyfile.in \
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	doc/coding_style.dox \
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	doc/dirs.dox \
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	doc/groups.dox \
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	doc/lgf.dox \
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	doc/license.dox \
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	doc/mainpage.dox \
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	doc/namespaces.dox \
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	doc/html \
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	doc/CMakeLists.txt
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DOC_EPS_IMAGES18 = \
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	grid_graph.eps \
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	nodeshape_0.eps \
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	nodeshape_1.eps \
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	nodeshape_2.eps \
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	nodeshape_3.eps \
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	nodeshape_4.eps
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DOC_EPS_IMAGES = \
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	$(DOC_EPS_IMAGES18)
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DOC_PNG_IMAGES = \
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	$(DOC_EPS_IMAGES:%.eps=doc/gen-images/%.png)
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EXTRA_DIST += $(DOC_EPS_IMAGES:%=doc/images/%)
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doc/html:
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	$(MAKE) $(AM_MAKEFLAGS) html
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GS_COMMAND=gs -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4
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$(DOC_EPS_IMAGES18:%.eps=doc/gen-images/%.png): doc/gen-images/%.png: doc/images/%.eps
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	-mkdir doc/gen-images
35 36
	if test ${gs_found} = yes; then \
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	  $(GS_COMMAND) -sDEVICE=pngalpha -r18 -sOutputFile=$@ $<; \
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	else \
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	  echo; \
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	  echo "Ghostscript not found."; \
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	  echo; \
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	  exit 1; \
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	fi
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html-local: $(DOC_PNG_IMAGES)
45 46
	if test ${doxygen_found} = yes; then \
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	  cd doc; \
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	  doxygen Doxyfile; \
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	  cd ..; \
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	else \
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	  echo; \
51 52
	  echo "Doxygen not found."; \
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	  echo; \
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	  exit 1; \
54 55
	fi
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clean-local:
57 58
	-rm -rf doc/html
58 59
	-rm -f doc/doxygen.log
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	-rm -f $(DOC_PNG_IMAGES)
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	-rm -rf doc/gen-images
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62 63
update-external-tags:
63 64
	wget -O doc/libstdc++.tag.tmp http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/libstdc++.tag && \
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	mv doc/libstdc++.tag.tmp doc/libstdc++.tag || \
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	rm doc/libstdc++.tag.tmp
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install-html-local: doc/html
68 69
	@$(NORMAL_INSTALL)
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	$(mkinstalldirs) $(DESTDIR)$(htmldir)/docs
70 71
	for p in doc/html/*.{html,css,png,map,gif,tag} ; do \
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	  f="`echo $$p | sed -e 's|^.*/||'`"; \
72 73
	  echo " $(INSTALL_DATA) $$p $(DESTDIR)$(htmldir)/docs/$$f"; \
73 74
	  $(INSTALL_DATA) $$p $(DESTDIR)$(htmldir)/docs/$$f; \
74 75
	done
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76 77
uninstall-local:
77 78
	@$(NORMAL_UNINSTALL)
78 79
	for p in doc/html/*.{html,css,png,map,gif,tag} ; do \
79 80
	  f="`echo $$p | sed -e 's|^.*/||'`"; \
80 81
	  echo " rm -f $(DESTDIR)$(htmldir)/docs/$$f"; \
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	  rm -f $(DESTDIR)$(htmldir)/docs/$$f; \
82 83
	done
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.PHONY: update-external-tags
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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library.
4 4
 *
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 * Copyright (C) 2003-2008
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 8
 *
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 * 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.
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 *
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 * 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
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 * purpose.
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 *
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 */
18 18

	
19 19
#ifndef GRID_GRAPH_H
20 20
#define GRID_GRAPH_H
21 21

	
22
#include <iostream>
23 22
#include <lemon/core.h>
23
#include <lemon/bits/graph_extender.h>
24
#include <lemon/dim2.h>
24 25
#include <lemon/assert.h>
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26
#include <lemon/bits/base_extender.h>
27
#include <lemon/bits/graph_extender.h>
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29
#include <lemon/dim2.h>
30

	
31 27
///\ingroup graphs
32 28
///\file
33 29
///\brief GridGraph class.
34 30

	
35 31
namespace lemon {
36 32

	
37 33
  class GridGraphBase {
38 34

	
39 35
  public:
40 36

	
41 37
    typedef GridGraphBase Graph;
42 38

	
43 39
    class Node;
40
    class Edge;
44 41
    class Arc;
45 42

	
46 43
  public:
47 44

	
48 45
    GridGraphBase() {}
49 46

	
50 47
  protected:
51 48

	
52
    void construct(int w, int h) {
53
      _height = h; _width = w;
54
      _nodeNum = h * w; _arcNum = 2 * _nodeNum - w - h;
55
      _arcLimit = _nodeNum - w;
56
    }
57

	
58
    Arc _down(Node n) const {
59
      if (n.id < _nodeNum - _width) {
60
        return Arc(n.id);
61
      } else {
62
        return INVALID;
63
      }
64
    }
65

	
66
    Arc _up(Node n) const {
67
      if (n.id >= _width) {
68
        return Arc(n.id - _width);
69
      } else {
70
        return INVALID;
71
      }
72
    }
73

	
74
    Arc _right(Node n) const {
75
      if (n.id % _width < _width - 1) {
76
        return _arcLimit + n.id % _width + (n.id / _width) * (_width - 1);
77
      } else {
78
        return INVALID;
79
      }
80
    }
81

	
82
    Arc _left(Node n) const {
83
      if (n.id % _width > 0) {
84
        return _arcLimit + n.id % _width + (n.id / _width) * (_width - 1) - 1;
85
      } else {
86
        return INVALID;
87
      }
49
    void construct(int width, int height) {
50
       _width = width; _height = height;
51
      _node_num = width * height;
52
      _edge_num = 2 * _node_num - width - height;
53
      _edge_limit = _node_num - _width;
88 54
    }
89 55

	
90 56
  public:
91 57

	
92 58
    Node operator()(int i, int j) const {
93
      LEMON_ASSERT(0 <= i && i < width() &&
94
                   0 <= j && j < height(), "lemon::GridGraph::IndexError");
59
      LEMON_DEBUG(0 <= i && i < _width &&
60
                  0 <= j  && j < _height, "Index out of range");
95 61
      return Node(i + j * _width);
96 62
    }
97 63

	
98
    int row(Node n) const {
99
      return n.id / _width;
64
    int col(Node n) const {
65
      return n._id % _width;
100 66
    }
101 67

	
102
    int col(Node n) const {
103
      return n.id % _width;
68
    int row(Node n) const {
69
      return n._id / _width;
70
    }
71

	
72
    dim2::Point<int> pos(Node n) const {
73
      return dim2::Point<int>(col(n), row(n));
104 74
    }
105 75

	
106 76
    int width() const {
107 77
      return _width;
108 78
    }
109 79

	
110 80
    int height() const {
111 81
      return _height;
112 82
    }
113 83

	
114 84
    typedef True NodeNumTag;
115 85
    typedef True ArcNumTag;
116 86

	
117
    int nodeNum() const { return _nodeNum; }
118
    int arcNum() const { return _arcNum; }
87
    int nodeNum() const { return _node_num; }
88
    int edgeNum() const { return _edge_num; }
89
    int arcNum() const { return 2 * _edge_num; }
119 90

	
120
    int maxNodeId() const { return nodeNum() - 1; }
121
    int maxArcId() const { return arcNum() - 1; }
122

	
123
    Node source(Arc e) const {
124
      if (e.id < _arcLimit) {
125
        return e.id;
91
    Node u(Edge edge) const {
92
      if (edge._id < _edge_limit) {
93
        return edge._id;
126 94
      } else {
127
        return (e.id - _arcLimit) % (_width - 1) +
128
          (e.id - _arcLimit) / (_width - 1) * _width;
95
        return (edge._id - _edge_limit) % (_width - 1) +
96
          (edge._id - _edge_limit) / (_width - 1) * _width;
129 97
      }
130 98
    }
131 99

	
132
    Node target(Arc e) const {
133
      if (e.id < _arcLimit) {
134
        return e.id + _width;
100
    Node v(Edge edge) const {
101
      if (edge._id < _edge_limit) {
102
        return edge._id + _width;
135 103
      } else {
136
        return (e.id - _arcLimit) % (_width - 1) +
137
          (e.id - _arcLimit) / (_width - 1) * _width + 1;
104
        return (edge._id - _edge_limit) % (_width - 1) +
105
          (edge._id - _edge_limit) / (_width - 1) * _width + 1;
138 106
      }
139 107
    }
140 108

	
141
    static int id(Node v) { return v.id; }
142
    static int id(Arc e) { return e.id; }
109
    Node source(Arc arc) const {
110
      return (arc._id & 1) == 1 ? u(arc) : v(arc);
111
    }
112

	
113
    Node target(Arc arc) const {
114
      return (arc._id & 1) == 1 ? v(arc) : u(arc);
115
    }
116

	
117
    static int id(Node node) { return node._id; }
118
    static int id(Edge edge) { return edge._id; }
119
    static int id(Arc arc) { return arc._id; }
120

	
121
    int maxNodeId() const { return _node_num - 1; }
122
    int maxEdgeId() const { return _edge_num - 1; }
123
    int maxArcId() const { return 2 * _edge_num - 1; }
143 124

	
144 125
    static Node nodeFromId(int id) { return Node(id);}
145

	
126
    static Edge edgeFromId(int id) { return Edge(id);}
146 127
    static Arc arcFromId(int id) { return Arc(id);}
147 128

	
148
    typedef True FindArcTag;
129
    typedef True FindEdgeTag;
130

	
131
    Edge findEdge(Node u, Node v, Edge prev = INVALID) const {
132
      if (prev != INVALID) return INVALID;
133
      if (v._id > u._id) {
134
        if (v._id - u._id == _width)
135
          return Edge(u._id);
136
        if (v._id - u._id == 1 && u._id % _width < _width - 1) {
137
          return Edge(u._id / _width * (_width - 1) +
138
                      u._id % _width + _edge_limit);
139
        }
140
      } else {
141
        if (u._id - v._id == _width)
142
          return Edge(v._id);
143
        if (u._id - v._id == 1 && v._id % _width < _width - 1) {
144
          return Edge(v._id / _width * (_width - 1) +
145
                      v._id % _width + _edge_limit);
146
        }
147
      }
148
      return INVALID;
149
    }
149 150

	
150 151
    Arc findArc(Node u, Node v, Arc prev = INVALID) const {
151 152
      if (prev != INVALID) return INVALID;
152
      if (v.id - u.id == _width) return Arc(u.id);
153
      if (v.id - u.id == 1 && u.id % _width < _width - 1) {
154
        return Arc(u.id / _width * (_width - 1) +
155
                   u.id % _width + _arcLimit);
153
      if (v._id > u._id) {
154
        if (v._id - u._id == _width)
155
          return Arc((u._id << 1) | 1);
156
        if (v._id - u._id == 1 && u._id % _width < _width - 1) {
157
          return Arc(((u._id / _width * (_width - 1) +
158
                       u._id % _width + _edge_limit) << 1) | 1);
159
        }
160
      } else {
161
        if (u._id - v._id == _width)
162
          return Arc(v._id << 1);
163
        if (u._id - v._id == 1 && v._id % _width < _width - 1) {
164
          return Arc((v._id / _width * (_width - 1) +
165
                       v._id % _width + _edge_limit) << 1);
166
        }
156 167
      }
157 168
      return INVALID;
158 169
    }
159 170

	
160 171
    class Node {
161 172
      friend class GridGraphBase;
162 173

	
163 174
    protected:
164
      int id;
165
      Node(int _id) : id(_id) {}
175
      int _id;
176
      Node(int id) : _id(id) {}
166 177
    public:
167 178
      Node() {}
168
      Node (Invalid) { id = -1; }
169
      bool operator==(const Node node) const { return id == node.id; }
170
      bool operator!=(const Node node) const { return id != node.id; }
171
      bool operator<(const Node node) const { return id < node.id; }
179
      Node (Invalid) : _id(-1) {}
180
      bool operator==(const Node node) const {return _id == node._id;}
181
      bool operator!=(const Node node) const {return _id != node._id;}
182
      bool operator<(const Node node) const {return _id < node._id;}
183
    };
184

	
185
    class Edge {
186
      friend class GridGraphBase;
187

	
188
    protected:
189
      int _id;
190

	
191
      Edge(int id) : _id(id) {}
192

	
193
    public:
194
      Edge() {}
195
      Edge (Invalid) : _id(-1) {}
196
      bool operator==(const Edge edge) const {return _id == edge._id;}
197
      bool operator!=(const Edge edge) const {return _id != edge._id;}
198
      bool operator<(const Edge edge) const {return _id < edge._id;}
172 199
    };
173 200

	
174 201
    class Arc {
175 202
      friend class GridGraphBase;
176 203

	
177 204
    protected:
178
      int id;
179
      Arc(int _id) : id(_id) {}
205
      int _id;
206

	
207
      Arc(int id) : _id(id) {}
208

	
180 209
    public:
181 210
      Arc() {}
182
      Arc (Invalid) { id = -1; }
183
      bool operator==(const Arc arc) const { return id == arc.id; }
184
      bool operator!=(const Arc arc) const { return id != arc.id; }
185
      bool operator<(const Arc arc) const { return id < arc.id; }
211
      Arc (Invalid) : _id(-1) {}
212
      operator Edge() const { return _id != -1 ? Edge(_id >> 1) : INVALID; }
213
      bool operator==(const Arc arc) const {return _id == arc._id;}
214
      bool operator!=(const Arc arc) const {return _id != arc._id;}
215
      bool operator<(const Arc arc) const {return _id < arc._id;}
186 216
    };
187 217

	
218
    static bool direction(Arc arc) {
219
      return (arc._id & 1) == 1;
220
    }
221

	
222
    static Arc direct(Edge edge, bool dir) {
223
      return Arc((edge._id << 1) | (dir ? 1 : 0));
224
    }
225

	
188 226
    void first(Node& node) const {
189
      node.id = nodeNum() - 1;
227
      node._id = _node_num - 1;
190 228
    }
191 229

	
192 230
    static void next(Node& node) {
193
      --node.id;
231
      --node._id;
232
    }
233

	
234
    void first(Edge& edge) const {
235
      edge._id = _edge_num - 1;
236
    }
237

	
238
    static void next(Edge& edge) {
239
      --edge._id;
194 240
    }
195 241

	
196 242
    void first(Arc& arc) const {
197
      arc.id = arcNum() - 1;
243
      arc._id = 2 * _edge_num - 1;
198 244
    }
199 245

	
200 246
    static void next(Arc& arc) {
201
      --arc.id;
247
      --arc._id;
202 248
    }
203 249

	
204 250
    void firstOut(Arc& arc, const Node& node) const {
205
      if (node.id < _nodeNum - _width) {
206
        arc.id = node.id;
207
      } else if (node.id % _width < _width - 1) {
208
        arc.id = _arcLimit + node.id % _width +
209
          (node.id / _width) * (_width - 1);
251
      if (node._id % _width < _width - 1) {
252
        arc._id = (_edge_limit + node._id % _width +
253
                   (node._id / _width) * (_width - 1)) << 1 | 1;
254
        return;
255
      }
256
      if (node._id < _node_num - _width) {
257
        arc._id = node._id << 1 | 1;
258
        return;
259
      }
260
      if (node._id % _width > 0) {
261
        arc._id = (_edge_limit + node._id % _width +
262
                   (node._id / _width) * (_width - 1) - 1) << 1;
263
        return;
264
      }
265
      if (node._id >= _width) {
266
        arc._id = (node._id - _width) << 1;
267
        return;
268
      }
269
      arc._id = -1;
270
    }
271

	
272
    void nextOut(Arc& arc) const {
273
      int nid = arc._id >> 1;
274
      if ((arc._id & 1) == 1) {
275
        if (nid >= _edge_limit) {
276
          nid = (nid - _edge_limit) % (_width - 1) +
277
            (nid - _edge_limit) / (_width - 1) * _width;
278
          if (nid < _node_num - _width) {
279
            arc._id = nid << 1 | 1;
280
            return;
281
          }
282
        }
283
        if (nid % _width > 0) {
284
          arc._id = (_edge_limit + nid % _width +
285
                     (nid / _width) * (_width - 1) - 1) << 1;
286
          return;
287
        }
288
        if (nid >= _width) {
289
          arc._id = (nid - _width) << 1;
290
          return;
291
        }
210 292
      } else {
211
        arc.id = -1;
293
        if (nid >= _edge_limit) {
294
          nid = (nid - _edge_limit) % (_width - 1) +
295
            (nid - _edge_limit) / (_width - 1) * _width + 1;
296
          if (nid >= _width) {
297
            arc._id = (nid - _width) << 1;
298
            return;
299
          }
300
        }
301
      }
302
      arc._id = -1;
303
    }
304

	
305
    void firstIn(Arc& arc, const Node& node) const {
306
      if (node._id % _width < _width - 1) {
307
        arc._id = (_edge_limit + node._id % _width +
308
                   (node._id / _width) * (_width - 1)) << 1;
309
        return;
310
      }
311
      if (node._id < _node_num - _width) {
312
        arc._id = node._id << 1;
313
        return;
314
      }
315
      if (node._id % _width > 0) {
316
        arc._id = (_edge_limit + node._id % _width +
317
                   (node._id / _width) * (_width - 1) - 1) << 1 | 1;
318
        return;
319
      }
320
      if (node._id >= _width) {
321
        arc._id = (node._id - _width) << 1 | 1;
322
        return;
323
      }
324
      arc._id = -1;
325
    }
326

	
327
    void nextIn(Arc& arc) const {
328
      int nid = arc._id >> 1;
329
      if ((arc._id & 1) == 0) {
330
        if (nid >= _edge_limit) {
331
          nid = (nid - _edge_limit) % (_width - 1) +
332
            (nid - _edge_limit) / (_width - 1) * _width;
333
          if (nid < _node_num - _width) {
334
            arc._id = nid << 1;
335
            return;
336
          }
337
        }
338
        if (nid % _width > 0) {
339
          arc._id = (_edge_limit + nid % _width +
340
                     (nid / _width) * (_width - 1) - 1) << 1 | 1;
341
          return;
342
        }
343
        if (nid >= _width) {
344
          arc._id = (nid - _width) << 1 | 1;
345
          return;
346
        }
347
      } else {
348
        if (nid >= _edge_limit) {
349
          nid = (nid - _edge_limit) % (_width - 1) +
350
            (nid - _edge_limit) / (_width - 1) * _width + 1;
351
          if (nid >= _width) {
352
            arc._id = (nid - _width) << 1 | 1;
353
            return;
354
          }
355
        }
356
      }
357
      arc._id = -1;
358
    }
359

	
360
    void firstInc(Edge& edge, bool& dir, const Node& node) const {
361
      if (node._id % _width < _width - 1) {
362
        edge._id = _edge_limit + node._id % _width +
363
          (node._id / _width) * (_width - 1);
364
        dir = true;
365
        return;
366
      }
367
      if (node._id < _node_num - _width) {
368
        edge._id = node._id;
369
        dir = true;
370
        return;
371
      }
372
      if (node._id % _width > 0) {
373
        edge._id = _edge_limit + node._id % _width +
374
          (node._id / _width) * (_width - 1) - 1;
375
        dir = false;
376
        return;
377
      }
378
      if (node._id >= _width) {
379
        edge._id = node._id - _width;
380
        dir = false;
381
        return;
382
      }
383
      edge._id = -1;
384
      dir = true;
385
    }
386

	
387
    void nextInc(Edge& edge, bool& dir) const {
388
      int nid = edge._id;
389
      if (dir) {
390
        if (nid >= _edge_limit) {
391
          nid = (nid - _edge_limit) % (_width - 1) +
392
            (nid - _edge_limit) / (_width - 1) * _width;
393
          if (nid < _node_num - _width) {
394
            edge._id = nid;
395
            return;
396
          }
397
        }
398
        if (nid % _width > 0) {
399
          edge._id = _edge_limit + nid % _width +
400
            (nid / _width) * (_width - 1) - 1;
401
          dir = false;
402
          return;
403
        }
404
        if (nid >= _width) {
405
          edge._id = nid - _width;
406
          dir = false;
407
          return;
408
        }
409
      } else {
410
        if (nid >= _edge_limit) {
411
          nid = (nid - _edge_limit) % (_width - 1) +
412
            (nid - _edge_limit) / (_width - 1) * _width + 1;
413
          if (nid >= _width) {
414
            edge._id = nid - _width;
415
            return;
416
          }
417
        }
418
      }
419
      edge._id = -1;
420
      dir = true;
421
    }
422

	
423
    Arc right(Node n) const {
424
      if (n._id % _width < _width - 1) {
425
        return Arc(((_edge_limit + n._id % _width +
426
                    (n._id / _width) * (_width - 1)) << 1) | 1);
427
      } else {
428
        return INVALID;
212 429
      }
213 430
    }
214 431

	
215
    void nextOut(Arc& arc) const {
216
      if (arc.id >= _arcLimit) {
217
        arc.id = -1;
218
      } else if (arc.id % _width < _width - 1) {
219
        arc.id = _arcLimit + arc.id % _width +
220
          (arc.id / _width) * (_width - 1);
432
    Arc left(Node n) const {
433
      if (n._id % _width > 0) {
434
        return Arc((_edge_limit + n._id % _width +
435
                     (n._id / _width) * (_width - 1) - 1) << 1);
221 436
      } else {
222
        arc.id = -1;
437
        return INVALID;
223 438
      }
224 439
    }
225 440

	
226
    void firstIn(Arc& arc, const Node& node) const {
227
      if (node.id >= _width) {
228
        arc.id = node.id - _width;
229
      } else if (node.id % _width > 0) {
230
        arc.id = _arcLimit + node.id % _width +
231
          (node.id / _width) * (_width - 1) - 1;
441
    Arc up(Node n) const {
442
      if (n._id < _edge_limit) {
443
        return Arc((n._id << 1) | 1);
232 444
      } else {
233
        arc.id = -1;
445
        return INVALID;
234 446
      }
235 447
    }
236 448

	
237
    void nextIn(Arc& arc) const {
238
      if (arc.id >= _arcLimit) {
239
        arc.id = -1;
240
      } else if (arc.id % _width > 0) {
241
        arc.id = _arcLimit + arc.id % _width +
242
          (arc.id / _width + 1) * (_width - 1) - 1;
449
    Arc down(Node n) const {
450
      if (n._id >= _width) {
451
        return Arc((n._id - _width) << 1);
243 452
      } else {
244
        arc.id = -1;
453
        return INVALID;
245 454
      }
246 455
    }
247 456

	
248 457
  private:
249 458
    int _width, _height;
250
    int _nodeNum, _arcNum;
251
    int _arcLimit;
459
    int _node_num, _edge_num;
460
    int _edge_limit;
252 461
  };
253 462

	
254
  typedef GraphExtender<UndirDigraphExtender<GridGraphBase> >
255
    ExtendedGridGraphBase;
463

	
464
  typedef GraphExtender<GridGraphBase> ExtendedGridGraphBase;
256 465

	
257 466
  /// \ingroup graphs
258 467
  ///
259 468
  /// \brief Grid graph class
260 469
  ///
261 470
  /// This class implements a special graph type. The nodes of the
262
  /// graph can be indiced by two integer \c (i,j) value where \c i
263
  /// is in the \c [0,width) range and j is in the [0, height) range.
264
  /// Two nodes are connected in the graph if the indices differ only
265
  /// on one position and only one is the difference.
471
  /// graph can be indexed by two integer \c (i,j) value where \c i is
472
  /// in the \c [0..width()-1] range and j is in the \c
473
  /// [0..height()-1] range.  Two nodes are connected in the graph if
474
  /// the indexes differ exactly on one position and exactly one is
475
  /// the difference. The nodes of the graph be indexed by position
476
  /// with \c operator()() function. The positions of the nodes can be
477
  /// get with \c pos(), \c col() and \c row() members. The outgoing
478
  /// arcs can be retrieved with the \c right(), \c up(), \c left()
479
  /// and \c down() functions, where the bottom-left corner is the
480
  /// origin.
266 481
  ///
267 482
  /// \image html grid_graph.png
268
  /// \image latex grid_graph.eps "Grid graph" width=\textwidth
483
  /// \image latex grid_graph.eps "Grid digraph" row_num=\textrow_num
269 484
  ///
270
  /// The graph can be indiced in the following way:
485
  /// A short example about the basic usage:
271 486
  ///\code
272
  /// GridGraph gr(w, h);
273
  /// GridGraph::NodeMap<int> val(gr);
274
  /// for (int i = 0; i < gr.width(); ++i) {
275
  ///   for (int j = 0; j < gr.height(); ++j) {
276
  ///     val[gr(i, j)] = i + j;
487
  /// GridGraph graph(rows, cols);
488
  /// GridGraph::NodeMap<int> val(graph);
489
  /// for (int i = 0; i < graph.width(); ++i) {
490
  ///   for (int j = 0; j < graph.height(); ++j) {
491
  ///     val[graph(i, j)] = i + j;
277 492
  ///   }
278 493
  /// }
279 494
  ///\endcode
280 495
  ///
281
  /// This graph type is fully conform to the \ref concepts::Graph
282
  /// "Undirected Graph" concept, and it also has an important extra
283
  /// feature that its maps are real \ref concepts::ReferenceMap
284
  /// "reference map"s.
496
  /// The graph type is fully conform to the \ref concepts::Graph
497
  /// "Graph" concept, and it also has an important extra feature
498
  /// that its maps are real \ref concepts::ReferenceMap "reference
499
  /// map"s.
285 500
  class GridGraph : public ExtendedGridGraphBase {
286 501
  public:
287 502

	
288 503
    typedef ExtendedGridGraphBase Parent;
289 504

	
290 505
    /// \brief Map to get the indices of the nodes as dim2::Point<int>.
291 506
    ///
292 507
    /// Map to get the indices of the nodes as dim2::Point<int>.
293 508
    class IndexMap {
294 509
    public:
295
      /// The key type of the map
510
      /// \brief The key type of the map
296 511
      typedef GridGraph::Node Key;
297
      /// The value type of the map
512
      /// \brief The value type of the map
298 513
      typedef dim2::Point<int> Value;
299 514

	
515
      /// \brief Constructor
516
      ///
300 517
      /// Constructor
301 518
      IndexMap(const GridGraph& graph) : _graph(graph) {}
302 519

	
303
      /// The subscript operator
304
      Value operator[](const Key& key) const {
305
        return dim2::Point<int>(_graph.row(key), _graph.col(key));
520
      /// \brief The subscript operator
521
      ///
522
      /// The subscript operator.
523
      Value operator[](Key key) const {
524
        return _graph.pos(key);
525
      }
526

	
527
    private:
528
      const GridGraph& _graph;
529
    };
530

	
531
    /// \brief Map to get the column of the nodes.
532
    ///
533
    /// Map to get the column of the nodes.
534
    class ColMap {
535
    public:
536
      /// \brief The key type of the map
537
      typedef GridGraph::Node Key;
538
      /// \brief The value type of the map
539
      typedef int Value;
540

	
541
      /// \brief Constructor
542
      ///
543
      /// Constructor
544
      ColMap(const GridGraph& graph) : _graph(graph) {}
545

	
546
      /// \brief The subscript operator
547
      ///
548
      /// The subscript operator.
549
      Value operator[](Key key) const {
550
        return _graph.col(key);
306 551
      }
307 552

	
308 553
    private:
309 554
      const GridGraph& _graph;
310 555
    };
311 556

	
312 557
    /// \brief Map to get the row of the nodes.
313 558
    ///
314 559
    /// Map to get the row of the nodes.
315 560
    class RowMap {
316 561
    public:
317
      /// The key type of the map
562
      /// \brief The key type of the map
318 563
      typedef GridGraph::Node Key;
319
      /// The value type of the map
564
      /// \brief The value type of the map
320 565
      typedef int Value;
321 566

	
567
      /// \brief Constructor
568
      ///
322 569
      /// Constructor
323 570
      RowMap(const GridGraph& graph) : _graph(graph) {}
324 571

	
325
      /// The subscript operator
326
      Value operator[](const Key& key) const {
572
      /// \brief The subscript operator
573
      ///
574
      /// The subscript operator.
575
      Value operator[](Key key) const {
327 576
        return _graph.row(key);
328 577
      }
329 578

	
330 579
    private:
331 580
      const GridGraph& _graph;
332 581
    };
333 582

	
334
    /// \brief Map to get the column of the nodes.
335
    ///
336
    /// Map to get the column of the nodes.
337
    class ColMap {
338
    public:
339
      /// The key type of the map
340
      typedef GridGraph::Node Key;
341
      /// The value type of the map
342
      typedef int Value;
343

	
344
      /// Constructor
345
      ColMap(const GridGraph& graph) : _graph(graph) {}
346

	
347
      /// The subscript operator
348
      Value operator[](const Key& key) const {
349
        return _graph.col(key);
350
      }
351

	
352
    private:
353
      const GridGraph& _graph;
354
    };
355

	
356 583
    /// \brief Constructor
357 584
    ///
358
    /// Constructor.
359
    /// \param width The width of the grid.
360
    /// \param height The height of the grid.
585
    /// Construct a grid graph with given size.
361 586
    GridGraph(int width, int height) { construct(width, height); }
362 587

	
363 588
    /// \brief Resize the graph
364 589
    ///
365
    /// Resize the grid.
590
    /// Resize the graph. The function will fully destroy and rebuild
591
    /// the graph.  This cause that the maps of the graph will
592
    /// reallocated automatically and the previous values will be
593
    /// lost.
366 594
    void resize(int width, int height) {
367 595
      Parent::notifier(Arc()).clear();
368 596
      Parent::notifier(Edge()).clear();
369 597
      Parent::notifier(Node()).clear();
370 598
      construct(width, height);
371 599
      Parent::notifier(Node()).build();
372 600
      Parent::notifier(Edge()).build();
373 601
      Parent::notifier(Arc()).build();
374 602
    }
375 603

	
376 604
    /// \brief The node on the given position.
377 605
    ///
378 606
    /// Gives back the node on the given position.
379 607
    Node operator()(int i, int j) const {
380 608
      return Parent::operator()(i, j);
381 609
    }
382 610

	
611
    /// \brief Gives back the column index of the node.
612
    ///
613
    /// Gives back the column index of the node.
614
    int col(Node n) const {
615
      return Parent::col(n);
616
    }
617

	
383 618
    /// \brief Gives back the row index of the node.
384 619
    ///
385 620
    /// Gives back the row index of the node.
386 621
    int row(Node n) const {
387 622
      return Parent::row(n);
388 623
    }
389 624

	
390
    /// \brief Gives back the column index of the node.
625
    /// \brief Gives back the position of the node.
391 626
    ///
392
    /// Gives back the column index of the node.
393
    int col(Node n) const {
394
      return Parent::col(n);
627
    /// Gives back the position of the node, ie. the <tt>(col,row)</tt> pair.
628
    dim2::Point<int> pos(Node n) const {
629
      return Parent::pos(n);
395 630
    }
396 631

	
397
    /// \brief Gives back the width of the grid.
632
    /// \brief Gives back the number of the columns.
398 633
    ///
399
    /// Gives back the width of the grid.
634
    /// Gives back the number of the columns.
400 635
    int width() const {
401 636
      return Parent::width();
402 637
    }
403 638

	
404
    /// \brief Gives back the height of the grid.
639
    /// \brief Gives back the number of the rows.
405 640
    ///
406
    /// Gives back the height of the grid.
641
    /// Gives back the number of the rows.
407 642
    int height() const {
408 643
      return Parent::height();
409 644
    }
410 645

	
646
    /// \brief Gives back the arc goes right from the node.
647
    ///
648
    /// Gives back the arc goes right from the node. If there is not
649
    /// outgoing arc then it gives back INVALID.
650
    Arc right(Node n) const {
651
      return Parent::right(n);
652
    }
653

	
654
    /// \brief Gives back the arc goes left from the node.
655
    ///
656
    /// Gives back the arc goes left from the node. If there is not
657
    /// outgoing arc then it gives back INVALID.
658
    Arc left(Node n) const {
659
      return Parent::left(n);
660
    }
661

	
662
    /// \brief Gives back the arc goes up from the node.
663
    ///
664
    /// Gives back the arc goes up from the node. If there is not
665
    /// outgoing arc then it gives back INVALID.
666
    Arc up(Node n) const {
667
      return Parent::up(n);
668
    }
669

	
411 670
    /// \brief Gives back the arc goes down from the node.
412 671
    ///
413 672
    /// Gives back the arc goes down from the node. If there is not
414
    /// outgoing arc then it gives back \c INVALID.
673
    /// outgoing arc then it gives back INVALID.
415 674
    Arc down(Node n) const {
416
      Edge e = _down(n);
417
      return e != INVALID ? direct(e, true) : INVALID;
675
      return Parent::down(n);
418 676
    }
419 677

	
420
    /// \brief Gives back the arc goes up from the node.
678
    /// \brief Index map of the grid graph
421 679
    ///
422
    /// Gives back the arc goes up from the node. If there is not
423
    /// outgoing arc then it gives back \c INVALID.
424
    Arc up(Node n) const {
425
      Edge e = _up(n);
426
      return e != INVALID ? direct(e, false) : INVALID;
680
    /// Just returns an IndexMap for the grid graph.
681
    IndexMap indexMap() const {
682
      return IndexMap(*this);
427 683
    }
428 684

	
429
    /// \brief Gives back the arc goes right from the node.
685
    /// \brief Row map of the grid graph
430 686
    ///
431
    /// Gives back the arc goes right from the node. If there is not
432
    /// outgoing arc then it gives back \c INVALID.
433
    Arc right(Node n) const {
434
      Edge e = _right(n);
435
      return e != INVALID ? direct(e, true) : INVALID;
687
    /// Just returns a RowMap for the grid graph.
688
    RowMap rowMap() const {
689
      return RowMap(*this);
436 690
    }
437 691

	
438
    /// \brief Gives back the arc goes left from the node.
692
    /// \brief Column map of the grid graph
439 693
    ///
440
    /// Gives back the arc goes left from the node. If there is not
441
    /// outgoing arc then it gives back \c INVALID.
442
    Arc left(Node n) const {
443
      Edge e = _left(n);
444
      return e != INVALID ? direct(e, false) : INVALID;
694
    /// Just returns a ColMap for the grid graph.
695
    ColMap colMap() const {
696
      return ColMap(*this);
445 697
    }
446 698

	
447
  }; // class GridGraph
699
  };
448 700

	
449
  /// \brief Index map of the grid graph
450
  ///
451
  /// Just returns an IndexMap for the grid graph.
452
  inline GridGraph::IndexMap indexMap(const GridGraph& graph) {
453
    return GridGraph::IndexMap(graph);
454
  }
455

	
456
  /// \brief Row map of the grid graph
457
  ///
458
  /// Just returns a RowMap for the grid graph.
459
  inline GridGraph::RowMap rowMap(const GridGraph& graph) {
460
    return GridGraph::RowMap(graph);
461
  }
462

	
463
  /// \brief Column map of the grid graph
464
  ///
465
  /// Just returns a ColMap for the grid graph.
466
  inline GridGraph::ColMap colMap(const GridGraph& graph) {
467
    return GridGraph::ColMap(graph);
468
  }
469 701
}
470

	
471
#endif // GRID_GRAPH_H
702
#endif
Ignore white space 6 line context
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
#include <lemon/concepts/graph.h>
20 20
#include <lemon/list_graph.h>
21 21
#include <lemon/smart_graph.h>
22 22
// #include <lemon/full_graph.h>
23 23
#include <lemon/grid_graph.h>
24 24

	
25 25
#include "test_tools.h"
26 26
#include "graph_test.h"
27 27

	
28 28
using namespace lemon;
29 29
using namespace lemon::concepts;
30 30

	
31 31
template <class Graph>
32 32
void checkGraph() {
33 33
  TEMPLATE_GRAPH_TYPEDEFS(Graph);
34 34

	
35 35
  Graph G;
36 36
  checkGraphNodeList(G, 0);
37 37
  checkGraphEdgeList(G, 0);
38 38

	
39 39
  Node
40 40
    n1 = G.addNode(),
41 41
    n2 = G.addNode(),
42 42
    n3 = G.addNode();
43 43
  checkGraphNodeList(G, 3);
44 44
  checkGraphEdgeList(G, 0);
45 45

	
46 46
  Edge e1 = G.addEdge(n1, n2);
47 47
  check((G.u(e1) == n1 && G.v(e1) == n2) || (G.u(e1) == n2 && G.v(e1) == n1),
48 48
        "Wrong edge");
49 49
  checkGraphNodeList(G, 3);
50 50
  checkGraphArcList(G, 2);
51 51
  checkGraphEdgeList(G, 1);
52 52

	
53 53
  checkGraphOutArcList(G, n1, 1);
54 54
  checkGraphOutArcList(G, n2, 1);
55 55
  checkGraphOutArcList(G, n3, 0);
56 56

	
57 57
  checkGraphInArcList(G, n1, 1);
58 58
  checkGraphInArcList(G, n2, 1);
59 59
  checkGraphInArcList(G, n3, 0);
60 60

	
61 61
  checkGraphIncEdgeList(G, n1, 1);
62 62
  checkGraphIncEdgeList(G, n2, 1);
63 63
  checkGraphIncEdgeList(G, n3, 0);
64 64

	
65 65
  checkGraphConArcList(G, 2);
66 66
  checkGraphConEdgeList(G, 1);
67 67

	
68 68
  Edge e2 = G.addEdge(n2, n1), e3 = G.addEdge(n2, n3);
69 69
  checkGraphNodeList(G, 3);
70 70
  checkGraphArcList(G, 6);
71 71
  checkGraphEdgeList(G, 3);
72 72

	
73 73
  checkGraphOutArcList(G, n1, 2);
74 74
  checkGraphOutArcList(G, n2, 3);
75 75
  checkGraphOutArcList(G, n3, 1);
76 76

	
77 77
  checkGraphInArcList(G, n1, 2);
78 78
  checkGraphInArcList(G, n2, 3);
79 79
  checkGraphInArcList(G, n3, 1);
80 80

	
81 81
  checkGraphIncEdgeList(G, n1, 2);
82 82
  checkGraphIncEdgeList(G, n2, 3);
83 83
  checkGraphIncEdgeList(G, n3, 1);
84 84

	
85 85
  checkGraphConArcList(G, 6);
86 86
  checkGraphConEdgeList(G, 3);
87 87

	
88 88
  checkArcDirections(G);
89 89

	
90 90
  checkNodeIds(G);
91 91
  checkArcIds(G);
92 92
  checkEdgeIds(G);
93 93
  checkGraphNodeMap(G);
94 94
  checkGraphArcMap(G);
95 95
  checkGraphEdgeMap(G);
96 96
}
97 97

	
98 98
void checkConcepts() {
99 99
  { // Checking graph components
100 100
    checkConcept<BaseGraphComponent, BaseGraphComponent >();
101 101

	
102 102
    checkConcept<IDableGraphComponent<>,
103 103
      IDableGraphComponent<> >();
104 104

	
105 105
    checkConcept<IterableGraphComponent<>,
106 106
      IterableGraphComponent<> >();
107 107

	
108 108
    checkConcept<MappableGraphComponent<>,
109 109
      MappableGraphComponent<> >();
110 110
  }
111 111
  { // Checking skeleton graph
112 112
    checkConcept<Graph, Graph>();
113 113
  }
114 114
  { // Checking ListGraph
115 115
    checkConcept<Graph, ListGraph>();
116 116
    checkConcept<AlterableGraphComponent<>, ListGraph>();
117 117
    checkConcept<ExtendableGraphComponent<>, ListGraph>();
118 118
    checkConcept<ClearableGraphComponent<>, ListGraph>();
119 119
    checkConcept<ErasableGraphComponent<>, ListGraph>();
120 120
  }
121 121
  { // Checking SmartGraph
122 122
    checkConcept<Graph, SmartGraph>();
123 123
    checkConcept<AlterableGraphComponent<>, SmartGraph>();
124 124
    checkConcept<ExtendableGraphComponent<>, SmartGraph>();
125 125
    checkConcept<ClearableGraphComponent<>, SmartGraph>();
126 126
  }
127 127
//  { // Checking FullGraph
128 128
//    checkConcept<Graph, FullGraph>();
129
//    checkGraphIterators<FullGraph>();
129 130
//  }
130 131
  { // Checking GridGraph
131 132
    checkConcept<Graph, GridGraph>();
132 133
  }
133 134
}
134 135

	
135 136
template <typename Graph>
136 137
void checkGraphValidity() {
137 138
  TEMPLATE_GRAPH_TYPEDEFS(Graph);
138 139
  Graph g;
139 140

	
140 141
  Node
141 142
    n1 = g.addNode(),
142 143
    n2 = g.addNode(),
143 144
    n3 = g.addNode();
144 145

	
145 146
  Edge
146 147
    e1 = g.addEdge(n1, n2),
147 148
    e2 = g.addEdge(n2, n3);
148 149

	
149 150
  check(g.valid(n1), "Wrong validity check");
150 151
  check(g.valid(e1), "Wrong validity check");
151 152
  check(g.valid(g.direct(e1, true)), "Wrong validity check");
152 153

	
153 154
  check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");
154 155
  check(!g.valid(g.edgeFromId(-1)), "Wrong validity check");
155 156
  check(!g.valid(g.arcFromId(-1)), "Wrong validity check");
156 157
}
157 158

	
158 159
template <typename Graph>
159 160
void checkGraphValidityErase() {
160 161
  TEMPLATE_GRAPH_TYPEDEFS(Graph);
161 162
  Graph g;
162 163

	
163 164
  Node
164 165
    n1 = g.addNode(),
165 166
    n2 = g.addNode(),
166 167
    n3 = g.addNode();
167 168

	
168 169
  Edge
169 170
    e1 = g.addEdge(n1, n2),
170 171
    e2 = g.addEdge(n2, n3);
171 172

	
172 173
  check(g.valid(n1), "Wrong validity check");
173 174
  check(g.valid(e1), "Wrong validity check");
174 175
  check(g.valid(g.direct(e1, true)), "Wrong validity check");
175 176

	
176 177
  g.erase(n1);
177 178

	
178 179
  check(!g.valid(n1), "Wrong validity check");
179 180
  check(g.valid(n2), "Wrong validity check");
180 181
  check(g.valid(n3), "Wrong validity check");
181 182
  check(!g.valid(e1), "Wrong validity check");
182 183
  check(g.valid(e2), "Wrong validity check");
183 184

	
184 185
  check(!g.valid(g.nodeFromId(-1)), "Wrong validity check");
185 186
  check(!g.valid(g.edgeFromId(-1)), "Wrong validity check");
186 187
  check(!g.valid(g.arcFromId(-1)), "Wrong validity check");
187 188
}
188 189

	
189
void checkGridGraph(const GridGraph& g, int w, int h) {
190
  check(g.width() == w, "Wrong width");
191
  check(g.height() == h, "Wrong height");
190
void checkGridGraph(int width, int height) {
191
  typedef GridGraph Graph;
192
  GRAPH_TYPEDEFS(Graph);
193
  Graph G(width, height);
192 194

	
193
  for (int i = 0; i < w; ++i) {
194
    for (int j = 0; j < h; ++j) {
195
      check(g.col(g(i, j)) == i, "Wrong col");
196
      check(g.row(g(i, j)) == j, "Wrong row");
195
  check(G.width() == width, "Wrong row number");
196
  check(G.height() == height, "Wrong column number");
197

	
198
  for (int i = 0; i < width; ++i) {
199
    for (int j = 0; j < height; ++j) {
200
      check(G.col(G(i, j)) == i, "Wrong column");
201
      check(G.row(G(i, j)) == j, "Wrong row");
202
      check(G.pos(G(i, j)).x == i, "Wrong column");
203
      check(G.pos(G(i, j)).y == j, "Wrong row");
197 204
    }
198 205
  }
199 206

	
200
  for (int i = 0; i < w; ++i) {
201
    for (int j = 0; j < h - 1; ++j) {
202
      check(g.source(g.down(g(i, j))) == g(i, j), "Wrong down");
203
      check(g.target(g.down(g(i, j))) == g(i, j + 1), "Wrong down");
207
  for (int j = 0; j < height; ++j) {
208
    for (int i = 0; i < width - 1; ++i) {
209
      check(G.source(G.right(G(i, j))) == G(i, j), "Wrong right");
210
      check(G.target(G.right(G(i, j))) == G(i + 1, j), "Wrong right");
204 211
    }
205
    check(g.down(g(i, h - 1)) == INVALID, "Wrong down");
212
    check(G.right(G(width - 1, j)) == INVALID, "Wrong right");
206 213
  }
207 214

	
208
  for (int i = 0; i < w; ++i) {
209
    for (int j = 1; j < h; ++j) {
210
      check(g.source(g.up(g(i, j))) == g(i, j), "Wrong up");
211
      check(g.target(g.up(g(i, j))) == g(i, j - 1), "Wrong up");
215
  for (int j = 0; j < height; ++j) {
216
    for (int i = 1; i < width; ++i) {
217
      check(G.source(G.left(G(i, j))) == G(i, j), "Wrong left");
218
      check(G.target(G.left(G(i, j))) == G(i - 1, j), "Wrong left");
212 219
    }
213
    check(g.up(g(i, 0)) == INVALID, "Wrong up");
220
    check(G.left(G(0, j)) == INVALID, "Wrong left");
214 221
  }
215 222

	
216
  for (int j = 0; j < h; ++j) {
217
    for (int i = 0; i < w - 1; ++i) {
218
      check(g.source(g.right(g(i, j))) == g(i, j), "Wrong right");
219
      check(g.target(g.right(g(i, j))) == g(i + 1, j), "Wrong right");
223
  for (int i = 0; i < width; ++i) {
224
    for (int j = 0; j < height - 1; ++j) {
225
      check(G.source(G.up(G(i, j))) == G(i, j), "Wrong up");
226
      check(G.target(G.up(G(i, j))) == G(i, j + 1), "Wrong up");
220 227
    }
221
    check(g.right(g(w - 1, j)) == INVALID, "Wrong right");
228
    check(G.up(G(i, height - 1)) == INVALID, "Wrong up");
222 229
  }
223 230

	
224
  for (int j = 0; j < h; ++j) {
225
    for (int i = 1; i < w; ++i) {
226
      check(g.source(g.left(g(i, j))) == g(i, j), "Wrong left");
227
      check(g.target(g.left(g(i, j))) == g(i - 1, j), "Wrong left");
231
  for (int i = 0; i < width; ++i) {
232
    for (int j = 1; j < height; ++j) {
233
      check(G.source(G.down(G(i, j))) == G(i, j), "Wrong down");
234
      check(G.target(G.down(G(i, j))) == G(i, j - 1), "Wrong down");
228 235
    }
229
    check(g.left(g(0, j)) == INVALID, "Wrong left");
236
    check(G.down(G(i, 0)) == INVALID, "Wrong down");
230 237
  }
231 238

	
232
  checkGraphNodeList(g, w*h);
233
  checkGraphArcList(g, 2*(2*w*h-w-h));
234
  checkGraphEdgeList(g, 2*w*h-w-h);
239
  checkGraphNodeList(G, width * height);
240
  checkGraphEdgeList(G, width * (height - 1) + (width - 1) * height);
241
  checkGraphArcList(G, 2 * (width * (height - 1) + (width - 1) * height));
235 242

	
236
  checkGraphOutArcList(g, g(0,0), 2);
237
  checkGraphOutArcList(g, g(0,1), 3);
238
  checkGraphOutArcList(g, g(w-2,h-2), 4);
243
  for (NodeIt n(G); n != INVALID; ++n) {
244
    int nb = 4;
245
    if (G.col(n) == 0) --nb;
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    if (G.col(n) == width - 1) --nb;
247
    if (G.row(n) == 0) --nb;
248
    if (G.row(n) == height - 1) --nb;
239 249

	
240
  checkGraphInArcList(g, g(0,0), 2);
241
  checkGraphInArcList(g, g(0,1), 3);
242
  checkGraphInArcList(g, g(w-2,h-2), 4);
250
    checkGraphOutArcList(G, n, nb);
251
    checkGraphInArcList(G, n, nb);
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    checkGraphIncEdgeList(G, n, nb);
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  }
243 254

	
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  checkGraphIncEdgeList(g, g(0,0), 2);
245
  checkGraphIncEdgeList(g, g(0,1), 3);
246
  checkGraphIncEdgeList(g, g(w-2,h-2), 4);
255
  checkArcDirections(G);
247 256

	
248
  checkGraphConArcList(g, 2*(2*w*h-w-h));
249
  checkGraphConEdgeList(g, 2*w*h-w-h);
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  checkGraphConArcList(G, 2 * (width * (height - 1) + (width - 1) * height));
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  checkGraphConEdgeList(G, width * (height - 1) + (width - 1) * height);
250 259

	
251
  checkArcDirections(g);
260
  checkNodeIds(G);
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  checkArcIds(G);
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  checkEdgeIds(G);
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  checkGraphNodeMap(G);
264
  checkGraphArcMap(G);
265
  checkGraphEdgeMap(G);
252 266

	
253
  checkNodeIds(g);
254
  checkArcIds(g);
255
  checkEdgeIds(g);
256
  checkGraphNodeMap(g);
257
  checkGraphArcMap(g);
258
  checkGraphEdgeMap(g);
259 267
}
260 268

	
261 269
void checkGraphs() {
262 270
  { // Checking ListGraph
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    checkGraph<ListGraph>();
264 272
    checkGraphValidityErase<ListGraph>();
265 273
  }
266 274
  { // Checking SmartGraph
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    checkGraph<SmartGraph>();
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    checkGraphValidity<SmartGraph>();
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  }
270 278
//   { // Checking FullGraph
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//     FullGraph g(5);
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//     checkGraphNodeList(g, 5);
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//     checkGraphEdgeList(g, 10);
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//   }
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  { // Checking GridGraph
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    GridGraph g(5, 6);
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    checkGridGraph(g, 5, 6);
284
    checkGridGraph(5, 8);
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    checkGridGraph(8, 5);
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    checkGridGraph(5, 5);
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    checkGridGraph(0, 0);
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    checkGridGraph(1, 1);
278 289
  }
279 290
}
280 291

	
281 292
int main() {
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  checkConcepts();
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  checkGraphs();
284 295
  return 0;
285 296
}
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