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NEWS

author | Balazs Dezso <deba@inf.elte.hu> |

Thu, 04 Mar 2010 15:20:59 +0100 | |

changeset 951 | 41d7ac528c3a |

parent 534 | 4f3ea453eb90 |

child 853 | 78b7231f0b2e |

child 962 | 87569cb5734d |

permissions | -rw-r--r-- |

Uniforming primal scale to 2 (#314)

1 2009-05-13 Version 1.1 released

3 This is the second stable release of the 1.x series. It

4 features a better coverage of the tools available in the 0.x

5 series, a thoroughly reworked LP/MIP interface plus various

6 improvements in the existing tools.

8 * Much improved M$ Windows support

9 * Various improvements in the CMAKE build system

10 * Compilation warnings are fixed/suppressed

11 * Support IBM xlC compiler

12 * New algorithms

13 * Connectivity related algorithms (#61)

14 * Euler walks (#65)

15 * Preflow push-relabel max. flow algorithm (#176)

16 * Circulation algorithm (push-relabel based) (#175)

17 * Suurballe algorithm (#47)

18 * Gomory-Hu algorithm (#66)

19 * Hao-Orlin algorithm (#58)

20 * Edmond's maximum cardinality and weighted matching algorithms

21 in general graphs (#48,#265)

22 * Minimum cost arborescence/branching (#60)

23 * Network Simplex min. cost flow algorithm (#234)

24 * New data structures

25 * Full graph structure (#57)

26 * Grid graph structure (#57)

27 * Hypercube graph structure (#57)

28 * Graph adaptors (#67)

29 * ArcSet and EdgeSet classes (#67)

30 * Elevator class (#174)

31 * Other new tools

32 * LP/MIP interface (#44)

33 * Support for GLPK, CPLEX, Soplex, COIN-OR CLP and CBC

34 * Reader for the Nauty file format (#55)

35 * DIMACS readers (#167)

36 * Radix sort algorithms (#72)

37 * RangeIdMap and CrossRefMap (#160)

38 * New command line tools

39 * DIMACS to LGF converter (#182)

40 * lgf-gen - a graph generator (#45)

41 * DIMACS solver utility (#226)

42 * Other code improvements

43 * Lognormal distribution added to Random (#102)

44 * Better (i.e. O(1) time) item counting in SmartGraph (#3)

45 * The standard maps of graphs are guaranteed to be

46 reference maps (#190)

47 * Miscellaneous

48 * Various doc improvements

49 * Improved 0.x -> 1.x converter script

51 * Several bugfixes (compared to release 1.0):

52 #170: Bugfix SmartDigraph::split()

53 #171: Bugfix in SmartGraph::restoreSnapshot()

54 #172: Extended test cases for graphs and digraphs

55 #173: Bugfix in Random

56 * operator()s always return a double now

57 * the faulty real<Num>(Num) and real<Num>(Num,Num)

58 have been removed

59 #187: Remove DijkstraWidestPathOperationTraits

60 #61: Bugfix in DfsVisit

61 #193: Bugfix in GraphReader::skipSection()

62 #195: Bugfix in ConEdgeIt()

63 #197: Bugfix in heap unionfind

64 * This bug affects Edmond's general matching algorithms

65 #207: Fix 'make install' without 'make html' using CMAKE

66 #208: Suppress or fix VS2008 compilation warnings

67 ----: Update the LEMON icon

68 ----: Enable the component-based installer

69 (in installers made by CPACK)

70 ----: Set the proper version for CMAKE in the tarballs

71 (made by autotools)

72 ----: Minor clarification in the LICENSE file

73 ----: Add missing unistd.h include to time_measure.h

74 #204: Compilation bug fixed in graph_to_eps.h with VS2005

75 #214,#215: windows.h should never be included by lemon headers

76 #230: Build systems check the availability of 'long long' type

77 #229: Default implementation of Tolerance<> is used for integer types

78 #211,#212: Various fixes for compiling on AIX

79 ----: Improvements in CMAKE config

80 - docs is installed in share/doc/

81 - detects newer versions of Ghostscript

82 #239: Fix missing 'inline' specifier in time_measure.h

83 #274,#280: Install lemon/config.h

84 #275: Prefix macro names with LEMON_ in lemon/config.h

85 ----: Small script for making the release tarballs added

86 ----: Minor improvement in unify-sources.sh (a76f55d7d397)

88 2009-03-27 LEMON joins to the COIN-OR initiative

90 COIN-OR (Computational Infrastructure for Operations Research,

91 http://www.coin-or.org) project is an initiative to spur the

92 development of open-source software for the operations research

93 community.

95 2008-10-13 Version 1.0 released

97 This is the first stable release of LEMON. Compared to the 0.x

98 release series, it features a considerably smaller but more

99 matured set of tools. The API has also completely revised and

100 changed in several places.

102 * The major name changes compared to the 0.x series (see the

103 Migration Guide in the doc for more details)

104 * Graph -> Digraph, UGraph -> Graph

105 * Edge -> Arc, UEdge -> Edge

106 * source(UEdge)/target(UEdge) -> u(Edge)/v(Edge)

107 * Other improvements

108 * Better documentation

109 * Reviewed and cleaned up codebase

110 * CMake based build system (along with the autotools based one)

111 * Contents of the library (ported from 0.x)

112 * Algorithms

113 * breadth-first search (bfs.h)

114 * depth-first search (dfs.h)

115 * Dijkstra's algorithm (dijkstra.h)

116 * Kruskal's algorithm (kruskal.h)

117 * Data structures

118 * graph data structures (list_graph.h, smart_graph.h)

119 * path data structures (path.h)

120 * binary heap data structure (bin_heap.h)

121 * union-find data structures (unionfind.h)

122 * miscellaneous property maps (maps.h)

123 * two dimensional vector and bounding box (dim2.h)

124 * Concepts

125 * graph structure concepts (concepts/digraph.h, concepts/graph.h,

126 concepts/graph_components.h)

127 * concepts for other structures (concepts/heap.h, concepts/maps.h,

128 concepts/path.h)

129 * Tools

130 * Mersenne twister random number generator (random.h)

131 * tools for measuring cpu and wall clock time (time_measure.h)

132 * tools for counting steps and events (counter.h)

133 * tool for parsing command line arguments (arg_parser.h)

134 * tool for visualizing graphs (graph_to_eps.h)

135 * tools for reading and writing data in LEMON Graph Format

136 (lgf_reader.h, lgf_writer.h)

137 * tools to handle the anomalies of calculations with

138 floating point numbers (tolerance.h)

139 * tools to manage RGB colors (color.h)

140 * Infrastructure

141 * extended assertion handling (assert.h)

142 * exception classes and error handling (error.h)

143 * concept checking (concept_check.h)

144 * commonly used mathematical constants (math.h)