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