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2009-05-13 Version 1.1 released
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This is the second stable release of the 1.x series. It
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features a better coverage of the tools available in the 0.x
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series, a thoroughly reworked LP/MIP interface plus various
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improvements in the existing tools.
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* Much improved M$ Windows support
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* Various improvements in the CMAKE build system
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* Compilation warnings are fixed/suppressed
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* Support IBM xlC compiler
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* New algorithms
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* Connectivity related algorithms (#61)
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* Euler walks (#65)
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* Preflow push-relabel max. flow algorithm (#176)
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* Circulation algorithm (push-relabel based) (#175)
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* Suurballe algorithm (#47)
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* Gomory-Hu algorithm (#66)
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* Hao-Orlin algorithm (#58)
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* Edmond's maximum cardinality and weighted matching algorithms
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in general graphs (#48,#265)
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* Minimum cost arborescence/branching (#60)
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* Network Simplex min. cost flow algorithm (#234)
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* New data structures
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* Full graph structure (#57)
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* Grid graph structure (#57)
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* Hypercube graph structure (#57)
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* Graph adaptors (#67)
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* ArcSet and EdgeSet classes (#67)
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* Elevator class (#174)
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* Other new tools
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* LP/MIP interface (#44)
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* Support for GLPK, CPLEX, Soplex, COIN-OR CLP and CBC
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* Reader for the Nauty file format (#55)
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* DIMACS readers (#167)
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* Radix sort algorithms (#72)
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* RangeIdMap and CrossRefMap (#160)
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* New command line tools
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* DIMACS to LGF converter (#182)
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* lgf-gen - a graph generator (#45)
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* DIMACS solver utility (#226)
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* Other code improvements
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* Lognormal distribution added to Random (#102)
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* Better (i.e. O(1) time) item counting in SmartGraph (#3)
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* The standard maps of graphs are guaranteed to be
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reference maps (#190)
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* Miscellaneous
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* Various doc improvements
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* Improved 0.x -> 1.x converter script
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* Several bugfixes (compared to release 1.0):
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#170: Bugfix SmartDigraph::split()
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#171: Bugfix in SmartGraph::restoreSnapshot()
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#172: Extended test cases for graphs and digraphs
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#173: Bugfix in Random
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* operator()s always return a double now
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* the faulty real<Num>(Num) and real<Num>(Num,Num)
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have been removed
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#187: Remove DijkstraWidestPathOperationTraits
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#61: Bugfix in DfsVisit
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#193: Bugfix in GraphReader::skipSection()
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#195: Bugfix in ConEdgeIt()
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#197: Bugfix in heap unionfind
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* This bug affects Edmond's general matching algorithms
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#207: Fix 'make install' without 'make html' using CMAKE
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#208: Suppress or fix VS2008 compilation warnings
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----: Update the LEMON icon
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----: Enable the component-based installer
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(in installers made by CPACK)
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----: Set the proper version for CMAKE in the tarballs
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(made by autotools)
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----: Minor clarification in the LICENSE file
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----: Add missing unistd.h include to time_measure.h
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#204: Compilation bug fixed in graph_to_eps.h with VS2005
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#214,#215: windows.h should never be included by lemon headers
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#230: Build systems check the availability of 'long long' type
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#229: Default implementation of Tolerance<> is used for integer types
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#211,#212: Various fixes for compiling on AIX
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----: Improvements in CMAKE config
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- docs is installed in share/doc/
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- detects newer versions of Ghostscript
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#239: Fix missing 'inline' specifier in time_measure.h
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#274,#280: Install lemon/config.h
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#275: Prefix macro names with LEMON_ in lemon/config.h
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----: Small script for making the release tarballs added
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----: Minor improvement in unify-sources.sh (a76f55d7d397)
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2009-03-27 LEMON joins to the COIN-OR initiative
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COIN-OR (Computational Infrastructure for Operations Research,
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http://www.coin-or.org) project is an initiative to spur the
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development of open-source software for the operations research
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community.
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2008-10-13 Version 1.0 released
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This is the first stable release of LEMON. Compared to the 0.x
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release series, it features a considerably smaller but more
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matured set of tools. The API has also completely revised and
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changed in several places.
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* The major name changes compared to the 0.x series (see the
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Migration Guide in the doc for more details)
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* Graph -> Digraph, UGraph -> Graph
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* Edge -> Arc, UEdge -> Edge
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* source(UEdge)/target(UEdge) -> u(Edge)/v(Edge)
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* Other improvements
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* Better documentation
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* Reviewed and cleaned up codebase
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* CMake based build system (along with the autotools based one)
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* Contents of the library (ported from 0.x)
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* Algorithms
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* breadth-first search (bfs.h)
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* depth-first search (dfs.h)
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* Dijkstra's algorithm (dijkstra.h)
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* Kruskal's algorithm (kruskal.h)
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* Data structures
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* graph data structures (list_graph.h, smart_graph.h)
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* path data structures (path.h)
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* binary heap data structure (bin_heap.h)
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* union-find data structures (unionfind.h)
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* miscellaneous property maps (maps.h)
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* two dimensional vector and bounding box (dim2.h)
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* Concepts
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* graph structure concepts (concepts/digraph.h, concepts/graph.h,
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concepts/graph_components.h)
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* concepts for other structures (concepts/heap.h, concepts/maps.h,
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concepts/path.h)
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* Tools
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* Mersenne twister random number generator (random.h)
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* tools for measuring cpu and wall clock time (time_measure.h)
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* tools for counting steps and events (counter.h)
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* tool for parsing command line arguments (arg_parser.h)
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* tool for visualizing graphs (graph_to_eps.h)
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* tools for reading and writing data in LEMON Graph Format
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(lgf_reader.h, lgf_writer.h)
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* tools to handle the anomalies of calculations with
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floating point numbers (tolerance.h)
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* tools to manage RGB colors (color.h)
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* Infrastructure
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* extended assertion handling (assert.h)
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* exception classes and error handling (error.h)
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* concept checking (concept_check.h)
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* commonly used mathematical constants (math.h)
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