1 2010-03-19 Version 1.2 released
3 This is major feature release
6 * Bellman-Ford algorithm (#51)
7 * Minimum mean cycle algorithms (#179)
8 * Karp, Hartman-Orlin and Howard algorithms
9 * New minimum cost flow algorithms (#180)
10 * Cost Scaling algorithms
11 * Capacity Scaling algorithm
12 * Cycle-Canceling algorithms
13 * Planarity related algorithms (#62)
14 * Planarity checking algorithm
15 * Planar embedding algorithm
16 * Schnyder's planar drawing algorithm
17 * Coloring planar graphs with five or six colors
18 * Fractional matching algorithms (#314)
20 * StaticDigraph structure (#68)
21 * Several new priority queue structures (#50, #301)
22 * Fibonacci, Radix, Bucket, Pairing, Binomial
23 D-ary and fourary heaps (#301)
24 * Iterable map structures (#73)
25 * Other new tools and functionality
26 * Map utility functions (#320)
27 * Reserve functions are added to ListGraph and SmartGraph (#311)
28 * A resize() function is added to HypercubeGraph (#311)
29 * A count() function is added to CrossRefMap (#302)
30 * Support for multiple targets in Suurballe using fullInit() (#181)
31 * Traits class and named parameters for Suurballe (#323)
32 * Separate reset() and resetParams() functions in NetworkSimplex
33 to handle graph changes (#327)
34 * tolerance() functions are added to HaoOrlin (#306)
35 * Implementation improvements
36 * Improvements in weighted matching algorithms (#314)
37 * Jumpstart initialization
38 * ArcIt iteration is based on out-arc lists instead of in-arc lists
40 * Faster add row operation in CbcMip (#203)
41 * Better implementation for split() in ListDigraph (#311)
42 * ArgParser can also throw exception instead of exit(1) (#332)
44 * A simple interactive bootstrap script
45 * Doc improvements (#62,#180,#299,#302,#303,#304,#307,#311,#331,#315,
47 * BibTeX references in the doc (#184)
48 * Optionally use valgrind when running tests
49 * Also check ReferenceMapTag in concept checks (#312)
50 * dimacs-solver uses long long type by default.
51 * Several bugfixes (compared to release 1.1):
52 #295: Suppress MSVC warnings using pragmas
53 ----: Various CMAKE related improvements
54 * Remove duplications from doc/CMakeLists.txt
55 * Rename documentation install folder from 'docs' to 'html'
56 * Add tools/CMakeLists.txt to the tarball
57 * Generate and install LEMONConfig.cmake
58 * Change the label of the html project in Visual Studio
59 * Fix the check for the 'long long' type
60 * Put the version string into config.h
61 * Minor CMake improvements
62 * Set the version to 'hg-tip' if everything fails
63 #311: Add missing 'explicit' keywords
64 #302: Fix the implementation and doc of CrossRefMap
65 #308: Remove duplicate list_graph.h entry from source list
66 #307: Bugfix in Preflow and Circulation
67 #305: Bugfix and extension in the rename script
68 #312: Also check ReferenceMapTag in concept checks
69 #250: Bugfix in pathSource() and pathTarget()
70 #321: Use pathCopy(from,to) instead of copyPath(to,from)
71 #322: Distribure LEMONConfig.cmake.in
72 #330: Bug fix in map_extender.h
73 #336: Fix the date field comment of graphToEps() output
74 #323: Bug fix in Suurballe
75 #335: Fix clear() function in ExtendFindEnum
76 #337: Use void* as the LPX object pointer
77 #317: Fix (and improve) error message in mip_test.cc
78 Remove unnecessary OsiCbc dependency
79 #356: Allow multiple executions of weighted matching algorithms (#356)
81 2009-05-13 Version 1.1 released
83 This is the second stable release of the 1.x series. It
84 features a better coverage of the tools available in the 0.x
85 series, a thoroughly reworked LP/MIP interface plus various
86 improvements in the existing tools.
88 * Much improved M$ Windows support
89 * Various improvements in the CMAKE build system
90 * Compilation warnings are fixed/suppressed
91 * Support IBM xlC compiler
93 * Connectivity related algorithms (#61)
95 * Preflow push-relabel max. flow algorithm (#176)
96 * Circulation algorithm (push-relabel based) (#175)
97 * Suurballe algorithm (#47)
98 * Gomory-Hu algorithm (#66)
99 * Hao-Orlin algorithm (#58)
100 * Edmond's maximum cardinality and weighted matching algorithms
101 in general graphs (#48,#265)
102 * Minimum cost arborescence/branching (#60)
103 * Network Simplex min. cost flow algorithm (#234)
104 * New data structures
105 * Full graph structure (#57)
106 * Grid graph structure (#57)
107 * Hypercube graph structure (#57)
108 * Graph adaptors (#67)
109 * ArcSet and EdgeSet classes (#67)
110 * Elevator class (#174)
112 * LP/MIP interface (#44)
113 * Support for GLPK, CPLEX, Soplex, COIN-OR CLP and CBC
114 * Reader for the Nauty file format (#55)
115 * DIMACS readers (#167)
116 * Radix sort algorithms (#72)
117 * RangeIdMap and CrossRefMap (#160)
118 * New command line tools
119 * DIMACS to LGF converter (#182)
120 * lgf-gen - a graph generator (#45)
121 * DIMACS solver utility (#226)
122 * Other code improvements
123 * Lognormal distribution added to Random (#102)
124 * Better (i.e. O(1) time) item counting in SmartGraph (#3)
125 * The standard maps of graphs are guaranteed to be
126 reference maps (#190)
128 * Various doc improvements
129 * Improved 0.x -> 1.x converter script
131 * Several bugfixes (compared to release 1.0):
132 #170: Bugfix SmartDigraph::split()
133 #171: Bugfix in SmartGraph::restoreSnapshot()
134 #172: Extended test cases for graphs and digraphs
135 #173: Bugfix in Random
136 * operator()s always return a double now
137 * the faulty real<Num>(Num) and real<Num>(Num,Num)
139 #187: Remove DijkstraWidestPathOperationTraits
140 #61: Bugfix in DfsVisit
141 #193: Bugfix in GraphReader::skipSection()
142 #195: Bugfix in ConEdgeIt()
143 #197: Bugfix in heap unionfind
144 * This bug affects Edmond's general matching algorithms
145 #207: Fix 'make install' without 'make html' using CMAKE
146 #208: Suppress or fix VS2008 compilation warnings
147 ----: Update the LEMON icon
148 ----: Enable the component-based installer
149 (in installers made by CPACK)
150 ----: Set the proper version for CMAKE in the tarballs
152 ----: Minor clarification in the LICENSE file
153 ----: Add missing unistd.h include to time_measure.h
154 #204: Compilation bug fixed in graph_to_eps.h with VS2005
155 #214,#215: windows.h should never be included by LEMON headers
156 #230: Build systems check the availability of 'long long' type
157 #229: Default implementation of Tolerance<> is used for integer types
158 #211,#212: Various fixes for compiling on AIX
159 ----: Improvements in CMAKE config
160 - docs is installed in share/doc/
161 - detects newer versions of Ghostscript
162 #239: Fix missing 'inline' specifier in time_measure.h
163 #274,#280: Install lemon/config.h
164 #275: Prefix macro names with LEMON_ in lemon/config.h
165 ----: Small script for making the release tarballs added
166 ----: Minor improvement in unify-sources.sh (a76f55d7d397)
168 2009-03-27 LEMON joins to the COIN-OR initiative
170 COIN-OR (Computational Infrastructure for Operations Research,
171 http://www.coin-or.org) project is an initiative to spur the
172 development of open-source software for the operations research
175 2008-10-13 Version 1.0 released
177 This is the first stable release of LEMON. Compared to the 0.x
178 release series, it features a considerably smaller but more
179 matured set of tools. The API has also completely revised and
180 changed in several places.
182 * The major name changes compared to the 0.x series (see the
183 Migration Guide in the doc for more details)
184 * Graph -> Digraph, UGraph -> Graph
185 * Edge -> Arc, UEdge -> Edge
186 * source(UEdge)/target(UEdge) -> u(Edge)/v(Edge)
188 * Better documentation
189 * Reviewed and cleaned up codebase
190 * CMake based build system (along with the autotools based one)
191 * Contents of the library (ported from 0.x)
193 * breadth-first search (bfs.h)
194 * depth-first search (dfs.h)
195 * Dijkstra's algorithm (dijkstra.h)
196 * Kruskal's algorithm (kruskal.h)
198 * graph data structures (list_graph.h, smart_graph.h)
199 * path data structures (path.h)
200 * binary heap data structure (bin_heap.h)
201 * union-find data structures (unionfind.h)
202 * miscellaneous property maps (maps.h)
203 * two dimensional vector and bounding box (dim2.h)
205 * graph structure concepts (concepts/digraph.h, concepts/graph.h,
206 concepts/graph_components.h)
207 * concepts for other structures (concepts/heap.h, concepts/maps.h,
210 * Mersenne twister random number generator (random.h)
211 * tools for measuring cpu and wall clock time (time_measure.h)
212 * tools for counting steps and events (counter.h)
213 * tool for parsing command line arguments (arg_parser.h)
214 * tool for visualizing graphs (graph_to_eps.h)
215 * tools for reading and writing data in LEMON Graph Format
216 (lgf_reader.h, lgf_writer.h)
217 * tools to handle the anomalies of calculations with
218 floating point numbers (tolerance.h)
219 * tools to manage RGB colors (color.h)
221 * extended assertion handling (assert.h)
222 * exception classes and error handling (error.h)
223 * concept checking (concept_check.h)
224 * commonly used mathematical constants (math.h)