NEWS
author Alpar Juttner <alpar@cs.elte.hu>
Tue, 06 Apr 2010 06:52:48 +0200
branch1.2
changeset 887 77704bf2a4ae
parent 665 e652b6f9a29f
child 897 ffc2d2559fc9
permissions -rw-r--r--
Merge bugfix #364 to branch 1.2
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2010-03-19 Version 1.2 released
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        This is major feature release
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        * New algorithms
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          * Bellman-Ford algorithm (#51)
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          * Minimum mean cycle algorithms (#179)
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            * Karp, Hartman-Orlin and Howard algorithms
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          * New minimum cost flow algorithms (#180)
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            * Cost Scaling algorithms
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            * Capacity Scaling algorithm
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            * Cycle-Canceling algorithms
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          * Planarity related algorithms (#62)
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            * Planarity checking algorithm
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            * Planar embedding algorithm
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            * Schnyder's planar drawing algorithm
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            * Coloring planar graphs with five or six colors
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          * Fractional matching algorithms (#314)
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        * New data structures
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          * StaticDigraph structure (#68)
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          * Several new priority queue structures (#50, #301)
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            * Fibonacci, Radix, Bucket, Pairing, Binomial
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              D-ary and fourary heaps (#301)
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          * Iterable map structures (#73)
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        * Other new tools and functionality
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          * Map utility functions (#320)
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          * Reserve functions are added to ListGraph and SmartGraph (#311)
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          * A resize() function is added to HypercubeGraph (#311)
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          * A count() function is added to CrossRefMap (#302)
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          * Support for multiple targets in Suurballe using fullInit() (#181)
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          * Traits class and named parameters for Suurballe (#323)
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          * Separate reset() and resetParams() functions in NetworkSimplex
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            to handle graph changes (#327)
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          * tolerance() functions are added to HaoOrlin (#306)
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        * Implementation improvements
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          * Improvements in weighted matching algorithms (#314)
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            * Jumpstart initialization
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          * ArcIt iteration is based on out-arc lists instead of in-arc lists
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            in ListDigraph (#311)
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          * Faster add row operation in CbcMip (#203)
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          * Better implementation for split() in ListDigraph (#311)
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          * ArgParser can also throw exception instead of exit(1) (#332)
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        * Miscellaneous
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          * A simple interactive bootstrap script
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          * Doc improvements (#62,#180,#299,#302,#303,#304,#307,#311,#331,#315,
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                #316,#319)
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            * BibTeX references in the doc (#184)
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          * Optionally use valgrind when running tests
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          * Also check ReferenceMapTag in concept checks (#312)
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          * dimacs-solver uses long long type by default.
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        * Several bugfixes (compared to release 1.1):
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          #295: Suppress MSVC warnings using pragmas
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          ----: Various CMAKE related improvements
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                * Remove duplications from doc/CMakeLists.txt
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                * Rename documentation install folder from 'docs' to 'html'
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                * Add tools/CMakeLists.txt to the tarball
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                * Generate and install LEMONConfig.cmake
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                * Change the label of the html project in Visual Studio
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                * Fix the check for the 'long long' type
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                * Put the version string into config.h
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                * Minor CMake improvements
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                * Set the version to 'hg-tip' if everything fails
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          #311: Add missing 'explicit' keywords
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          #302: Fix the implementation and doc of CrossRefMap
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          #308: Remove duplicate list_graph.h entry from source list
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          #307: Bugfix in Preflow and Circulation
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          #305: Bugfix and extension in the rename script
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          #312: Also check ReferenceMapTag in concept checks
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          #250: Bugfix in pathSource() and pathTarget()
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          #321: Use pathCopy(from,to) instead of copyPath(to,from)
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          #322: Distribure LEMONConfig.cmake.in
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          #330: Bug fix in map_extender.h
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          #336: Fix the date field comment of graphToEps() output
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          #323: Bug fix in Suurballe
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          #335: Fix clear() function in ExtendFindEnum
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          #337: Use void* as the LPX object pointer
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          #317: Fix (and improve) error message in mip_test.cc
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                Remove unnecessary OsiCbc dependency
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          #356: Allow multiple executions of weighted matching algorithms (#356)
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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)