1 | 2008-02-08 Version 0.7 released |
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2 | New Features |
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3 | + new data structures |
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4 | * classes |
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5 | StaticGraph |
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6 | ExtendFindEnum |
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7 | BfsVisitor class |
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8 | Bipartite partitions based on visitors |
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9 | * helper class for checking existence of a nested class |
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10 | * general mapping based variant type |
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11 | * IntegerMap |
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12 | + new algoritmhs |
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13 | * Lagrange relaxation based algorithm for the delay constrained least cost path problem |
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14 | * a preflow based general network circulation algorithm |
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15 | * 2-approximation of Steiner-tree problem |
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16 | * two heuristics for minimum cut algorithms (http://www.avglab.com/andrew/pub/neci-tr-96-132.ps) |
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17 | * Gomory-Hu tree algorithm |
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18 | * Edmond's Blossom shrinking algorithm |
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19 | * minimum mean cycle algorithm |
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20 | * Goldberg-Tarjan algorithm (Preflow with Dynamic Trees) |
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21 | * Dinitz-Sleator-Tarjan (Blocking flow with Dynamic Tree) |
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22 | * min cost flow algorithms: |
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23 | * successive shortest path algorithm |
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24 | * capacity scaling algorithm |
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25 | * simple cycle canceling algorithm |
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26 | * minimum mean cycle canceling algorithm |
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27 | * cost scaling algorithm |
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28 | * network simplex algorithm |
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29 | * min cost maximum flow algorithm |
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30 | + new functions and tools |
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31 | * ArgParser, a command line argument parser |
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32 | * DistLog, a tool for measuring one and two dimensional distributions |
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33 | * undirected minimum cut benchmarking |
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34 | * tools/lgf-gen.cc, a random graph generator |
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35 | * BpUGraphReader and Writer |
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36 | * DynEdgeLookUp implementation based on splay trees |
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37 | * MACROS for debug map usage |
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38 | + new distributions (Gaussian, exponential, Gamma, two dimensional random, buffered bit generation) |
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39 | + push-relabel type algorithm related additions |
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40 | * Elevator, a class for handling item labels in push-relabel type algorithms |
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41 | * a push/relabel type max cardinality matching implementation |
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42 | * some query function for push-relabel based matching |
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43 | + LP related additions |
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44 | * Soplex support |
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45 | * ColIt class |
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46 | * new functions (simplify(), isFinite(), row and col getter function) |
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47 | * _setColCoeff and _setRowCoeff parameters |
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48 | * section reader and writer for LEMON IO |
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49 | * equality-type constraint can now be added to a LP |
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50 | * virtual functions of class LpCplex |
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51 | * some query functions for GLPK |
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52 | + demos |
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53 | * preflow based general network circulation demo |
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54 | * Steiner 2-approximation demo |
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55 | * demo for SAT problems |
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56 | * sample input for sat-2 and sat demos |
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57 | + tests for |
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58 | * graph copies |
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59 | * random.h |
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60 | * max weighted matchings |
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61 | + planarity related additions |
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62 | * checking and embedding |
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63 | * planar grid embedding |
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64 | * planar graph coloring |
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65 | + bipartite matchings |
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66 | * common interface |
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67 | * Query functions: aMatching and bMatching |
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68 | * ANodeMap<UEdge> matching map |
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69 | * BNodeMap<bool> barrier map |
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70 | Repository reorganization |
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71 | * script for automatic checking of SVN commit's consistency |
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72 | * automatic doc generation from the SVN trunk |
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73 | * check for gcc version 3.3, 3.4, 4.0 and 4.1.2 as well |
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74 | * reorganization of the modules and groups |
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75 | * a tools directory added for useful executables codes |
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76 | * doxygen |
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77 | * renaming topology doxygen group to graph_prop doxygen group |
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78 | * introducing planar doxygen group |
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79 | Changes |
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80 | * redesigned |
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81 | * undirected edgesets (like the smart graph or ugraph) |
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82 | * interface of MaxMatching and UnionFindEnum |
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83 | * interface of maximum flow algorithms |
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84 | * Kruskal algorithm |
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85 | * augmenting path based bipartite matching |
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86 | Improvements |
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87 | * graph copy |
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88 | * preliminary support for static graphs |
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89 | * added BpUGraphCopy |
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90 | * Bfs/Dfs/Dijkstra |
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91 | * conditional execution until the target is reached |
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92 | * modified start() function in Dfs and Dijkstra classes to give back reached edge/node |
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93 | * return the temporary distance of the current node |
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94 | * using operation traits in Dijkstra |
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95 | * patch for retrieving reached/processed node |
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96 | * prescaling can be turned off in GraphToEps |
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97 | * better handling of inexact computations |
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98 | * easier inverse |
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99 | * faster geometric minimum spanning tree algorithm |
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100 | * new implementation of undirected graphs |
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101 | * Hao-Orlin algorithm became epsilon-safe |
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102 | * LpSoplex |
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103 | * added getter functions |
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104 | * better m4 file |
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105 | * better handling of unsolved lps |
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106 | * allowing 'string' type quoting for item reading and writing |
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107 | * clear() function for union-find structures |
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108 | * hacking MIP is possible without integer variables |
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109 | * space reservation for SmartGraph |
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110 | * path |
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111 | * PathNodeIt |
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112 | PathWriter/Reader structures |
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113 | Distinct MapSet readers and writers |
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114 | * more simple interface for PathDumper |
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115 | Updated |
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116 | * tutorial for |
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117 | * algorithms |
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118 | * graph visualization |
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119 | * documentation |
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120 | Backward incompatibilities/changed namings |
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121 | * min_cut.h => nagamochi_ibaraki.h |
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122 | * clone => build |
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123 | * RevIt => RevEdgeIt |
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124 | * _FixId => LpId |
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125 | * setObj => obj |
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126 | * is_min => isMin |
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127 | * is_max => isMax |
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128 | * ball2() => disc() |
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129 | * state_enum => State |
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130 | * getNotifier => notifier |
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131 | * using LEMON_ASSERT instead of LogicError() |
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132 | * uedgeset is an alias for edgeset |
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133 | * CPXMIP_OPTIMAL_TOL status is considered as OPTIMAL too |
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134 | * removed "Type" suffix from typedefs |
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135 | * lower case local variables |
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136 | Removed |
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137 | - template Map template parameter from InvertableMaps |
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138 | - union-find Item template parameter |
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139 | - strict checking |
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140 | - some automatic callback generation |
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141 | - '-Wshadow' seemed too strict therefore removed |
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142 | Several bugfixes |
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143 | |
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144 | 2006-10-31 Version 0.6 Released |
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145 | GLEMON has moved to a separate repository |
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146 | (https://hugo.cs.elte.hu/svn/glemon/trunk) |
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147 | New Features |
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148 | + Mixed Integer Programming (MIP) support |
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149 | + interface to GLPK and CPLEX MIP solvers |
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150 | + Data structures |
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151 | * Bipatrite graph concepts and implementations |
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152 | * a Polinomial template class |
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153 | * RefPtr: a reference counted pointer class |
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154 | * SimpleBucketHeap |
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155 | + random.h: Mersenne Twister random number generator |
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156 | + EdgeLookUp and AllEdgeLookUp |
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157 | + Tools to find edges between to nodes in time O(log d) |
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158 | + new matching algorithms |
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159 | + Bipartite Graph Max Cardinality Matching (Hopcroft-Karp) |
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160 | + MaxWeightedBipartiteMatching |
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161 | + MinCostMaxBipartiteMatching |
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162 | + MaxCardinalitySearch |
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163 | + MinimalCut in UGraph |
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164 | + Tabu Search framework |
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165 | + Minimum Cost Arborescence algorithm |
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166 | + Edmonds-Karp MaxFlow |
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167 | + Hao-Orlin algorithm |
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168 | + eps.h: A simple tool to create .eps pictures. |
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169 | Backward incompatibilities/changed namings: |
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170 | * UndirXyz -> UXyz |
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171 | * UNDIRGRAPH_TYPEDEFS -> UGRAPH_TYPEDEFS |
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172 | * GridGraph -> GridUGraph |
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173 | * LinearHeap -> BucketHeap |
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174 | * ColorSet -> Palette |
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175 | * xy -> dim2::Point |
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176 | * DirPath -> Path |
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177 | * concept -> concepts (namespace & directory) |
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178 | * LpSolverBase |
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179 | * ColName() -> colName |
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180 | * Coeff() -> coeff() |
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181 | * MinCostFlow -> SspMinCostFlow |
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182 | Repository reorganization: |
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183 | * compilation is conducted by a single makefile |
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184 | * internal building blocks are now in a separate directory |
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185 | (lemon/bits) |
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186 | Major improvements of many algorithms and data structures |
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187 | Several bugfixes |
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188 | Compatibility issues: |
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189 | * known to compile with |
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190 | * GCC 3.3, 3.4, 4.0, 4.1 |
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191 | * MinGW, MinGW32 |
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192 | * Intel C++ 9.x support |
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193 | |
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194 | 2006-02-03 Version 0.5 Released |
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195 | New features |
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196 | + Shortest paths algorithms |
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197 | * bellman_ford.h |
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198 | * floyd_warshall.h |
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199 | * johnson.h |
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200 | + Euler tour iterator for directed and undirected graphs |
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201 | + Other algorithms: |
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202 | * dag_shortest_path.h |
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203 | * fredman_tarjan.h and prim.h for min cost trees |
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204 | + Bipartite graph concept and implementations |
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205 | + Graph maps: |
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206 | * template assign operator |
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207 | * specialized iterable bool map |
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208 | * potential difference map |
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209 | * NodeMatrixMap -- Matrix over the nodes |
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210 | + Maps: |
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211 | * IterableIntMap |
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212 | + Tools: |
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213 | * Timer can be stop()ed and (re)start()ed |
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214 | * radix sort algorithm |
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215 | * tolerance.h for working with imprecise numbers |
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216 | New demos, benchmarks and tools |
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217 | + graph_orientation.cc: A thoroughly documented demo application |
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218 | + runningTimeTest(): a tool to measure running times more precisely |
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219 | + Demo for topology |
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220 | + counter.h: a tool to measure the number of steps of algorithms |
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221 | + Some useful scripts: check-compiler, check-integrity |
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222 | Improvements |
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223 | + Bfs/Dfs/Dijkstra |
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224 | * query functions for the next node/edge to be processed |
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225 | * visitor interface for dfs |
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226 | + topology.h: small functions for discovering graph topology |
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227 | * connected components, strongly connected components |
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228 | * bipartiteness testing |
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229 | + GUI: |
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230 | * NewMap window in MapSelector |
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231 | * Algorithm window and some algorithms (eg. Kruskal) added |
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232 | + LemonReader: |
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233 | * exception on non-existent files |
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234 | + LP interface: |
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235 | * (Dual)Expr::simplify(double tolerance) added |
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236 | * getDual() |
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237 | + GraphToEps: |
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238 | * negateY() opt |
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239 | * male/female node shapes :) |
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240 | * correct %%BoundingBox handling |
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241 | Backward incompatibilities/changed namings: |
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242 | * Access functions of TimeStamp/Timer |
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243 | * Undirected graph interface: findUEdge, ConUEdgeIt |
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244 | * pred -> predEdge renaming in search algorithms |
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245 | * SnapShot -> Snapshot in {List,Smart}Graph |
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246 | * NewEdgeSetAdaptor -> ListEdgeSet |
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247 | * LP: set{Obj,Row,Col}() -> {obj,row,col}() |
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248 | * "label" instead of "id" inside the LGF files |
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249 | * UndirGraph -> UGraph, UndirEdge* -> UEdge* |
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250 | * BipartiteGraph -> BpGraph, Lower/UpperNode* -> A/BNode* |
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251 | Bugfixes in |
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252 | * DFS |
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253 | * Preflow |
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254 | * x86_64 connected bugfixes (lemon_reader.h) |
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255 | * lp.h |
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256 | Other changes |
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257 | * Demos and benchmarks are not built by default now. They can be |
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258 | * enabled with the --enable-demo and --enable-benchmark |
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259 | * configure flags. |
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260 | * GCC 4.0.3 and ICC 9.0 compatibility |
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261 | |
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262 | 2005-08-27 Version 0.4 Released |
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263 | New features |
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264 | + More and better graph I/O functionalities |
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265 | + High level uniform LP solver interface to CPLEX and GLKP |
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266 | + New map adaptors |
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267 | + New convenience maps |
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268 | * IdMap, DescriptorMap |
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269 | * InDegMap, OutDegMap |
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270 | * XMap, YMap |
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271 | + Default graph maps are iterable |
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272 | + glemon: a graph editor |
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273 | + Some new demo codes added, the old ones got polished. |
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274 | Improvements |
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275 | + graphToEps() |
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276 | * Automatic node size and edge width scaling |
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277 | * Simple color palette tool (ColorSet) |
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278 | + Bfs/Dfs/Dijkstra |
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279 | * Step-by-step execution |
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280 | * Run from multiple sources |
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281 | * Used define stop condition |
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282 | * Improved "named parameters" |
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283 | + Preflow |
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284 | * Changed interface |
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285 | * Function type interface |
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286 | + ListGraph/SmartGraph |
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287 | * split() splits a node |
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288 | * SnapShot |
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289 | Changes |
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290 | * Changed namings: |
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291 | * Wrapper -> Adaptor |
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292 | * kruskalEdgeMap() -> kruskal() |
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293 | * kruskalEdgeMap_IteratorOut() -> kruskal() |
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294 | * BoundingBox<> |
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295 | * operator+=() -> add() |
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296 | + clear() |
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297 | * Better documentation |
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298 | * Several important bugfixes |
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299 | * Now LEMON should compile without warnings with |
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300 | * gcc 3.3, 3.4, 4.0 |
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301 | * Intel C++ Compiler v9.0 |
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302 | |
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303 | 2005-03-19 Version 0.3.1 Released |
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304 | This release fixes a compilation failure bug under cygwin. |
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305 | |
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306 | 2005-02-21 Version 0.3 released |
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307 | New features |
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308 | + Standardized LEMON exceptions |
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309 | + Undirected Graph |
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310 | + Standard graph file format, input and output classes for it |
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311 | + GraphToEps: A simple graph drawer |
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312 | Changes |
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313 | * Redesigned Graph infrastructures |
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314 | * head() -> target(), tail() -> source() |
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315 | * Some standard namings have changes: |
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316 | ValueType -> Value, |
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317 | KeyType -> Key, |
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318 | ReferenceType -> Reference, |
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319 | PointerType -> Pointer |
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320 | * Better documentation |
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321 | |
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322 | 2004-09-30 Version 0.2 released |
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