| 1 | 2010-03-19 Version 1.2 released | 
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| 2 |  | 
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| 3 | This is major feature release | 
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| 4 |  | 
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| 5 | * New algorithms | 
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| 6 | * Bellman-Ford algorithm (#51) | 
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| 7 | * Minimum mean cycle algorithms (#179) | 
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| 8 | * Karp, Hartman-Orlin and Howard algorithms | 
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| 9 | * New minimum cost flow algorithms (#180) | 
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| 10 | * Cost Scaling algorithms | 
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| 11 | * Capacity Scaling algorithm | 
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| 12 | * Cycle-Canceling algorithms | 
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| 13 | * Planarity related algorithms (#62) | 
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| 14 | * Planarity checking algorithm | 
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| 15 | * Planar embedding algorithm | 
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| 16 | * Schnyder's planar drawing algorithm | 
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| 17 | * Coloring planar graphs with five or six colors | 
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| 18 | * Fractional matching algorithms (#314) | 
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| 19 | * New data structures | 
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| 20 | * StaticDigraph structure (#68) | 
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| 21 | * Several new priority queue structures (#50, #301) | 
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| 22 | * Fibonacci, Radix, Bucket, Pairing, Binomial | 
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| 23 | D-ary and fourary heaps (#301) | 
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| 24 | * Iterable map structures (#73) | 
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| 25 | * Other new tools and functionality | 
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| 26 | * Map utility functions (#320) | 
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| 27 | * Reserve functions are added to ListGraph and SmartGraph (#311) | 
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| 28 | * A resize() function is added to HypercubeGraph (#311) | 
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| 29 | * A count() function is added to CrossRefMap (#302) | 
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| 30 | * Support for multiple targets in Suurballe using fullInit() (#181) | 
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| 31 | * Traits class and named parameters for Suurballe (#323) | 
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| 32 | * Separate reset() and resetParams() functions in NetworkSimplex | 
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| 33 | to handle graph changes (#327) | 
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| 34 | * tolerance() functions are added to HaoOrlin (#306) | 
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| 35 | * Implementation improvements | 
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| 36 | * Improvements in weighted matching algorithms (#314) | 
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| 37 | * Jumpstart initialization | 
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| 38 | * ArcIt iteration is based on out-arc lists instead of in-arc lists | 
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| 39 | in ListDigraph (#311) | 
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| 40 | * Faster add row operation in CbcMip (#203) | 
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| 41 | * Better implementation for split() in ListDigraph (#311) | 
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| 42 | * ArgParser can also throw exception instead of exit(1) (#332) | 
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| 43 | * Miscellaneous | 
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| 44 | * A simple interactive bootstrap script | 
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| 45 | * Doc improvements (#62,#180,#299,#302,#303,#304,#307,#311,#331,#315, | 
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| 46 | #316,#319) | 
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| 47 | * BibTeX references in the doc (#184) | 
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| 48 | * Optionally use valgrind when running tests | 
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| 49 | * Also check ReferenceMapTag in concept checks (#312) | 
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| 50 | * dimacs-solver uses long long type by default. | 
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| 51 | * Several bugfixes (compared to release 1.1): | 
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| 52 | #295: Suppress MSVC warnings using pragmas | 
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| 53 | ----: Various CMAKE related improvements | 
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| 54 | * Remove duplications from doc/CMakeLists.txt | 
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| 55 | * Rename documentation install folder from 'docs' to 'html' | 
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| 56 | * Add tools/CMakeLists.txt to the tarball | 
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| 57 | * Generate and install LEMONConfig.cmake | 
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| 58 | * Change the label of the html project in Visual Studio | 
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| 59 | * Fix the check for the 'long long' type | 
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| 60 | * Put the version string into config.h | 
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| 61 | * Minor CMake improvements | 
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| 62 | * Set the version to 'hg-tip' if everything fails | 
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| 63 | #311: Add missing 'explicit' keywords | 
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| 64 | #302: Fix the implementation and doc of CrossRefMap | 
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| 65 | #308: Remove duplicate list_graph.h entry from source list | 
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| 66 | #307: Bugfix in Preflow and Circulation | 
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| 67 | #305: Bugfix and extension in the rename script | 
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| 68 | #312: Also check ReferenceMapTag in concept checks | 
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| 69 | #250: Bugfix in pathSource() and pathTarget() | 
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| 70 | #321: Use pathCopy(from,to) instead of copyPath(to,from) | 
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| 71 | #322: Distribure LEMONConfig.cmake.in | 
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| 72 | #330: Bug fix in map_extender.h | 
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| 73 | #336: Fix the date field comment of graphToEps() output | 
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| 74 | #323: Bug fix in Suurballe | 
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| 75 | #335: Fix clear() function in ExtendFindEnum | 
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| 76 | #337: Use void* as the LPX object pointer | 
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| 77 | #317: Fix (and improve) error message in mip_test.cc | 
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| 78 | Remove unnecessary OsiCbc dependency | 
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| 79 | #356: Allow multiple executions of weighted matching algorithms (#356) | 
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| 80 |  | 
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| 81 | 2009-05-13 Version 1.1 released | 
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| 82 |  | 
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| 83 | This is the second stable release of the 1.x series. It | 
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| 84 | features a better coverage of the tools available in the 0.x | 
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| 85 | series, a thoroughly reworked LP/MIP interface plus various | 
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| 86 | improvements in the existing tools. | 
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| 87 |  | 
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| 88 | * Much improved M$ Windows support | 
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| 89 | * Various improvements in the CMAKE build system | 
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| 90 | * Compilation warnings are fixed/suppressed | 
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| 91 | * Support IBM xlC compiler | 
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| 92 | * New algorithms | 
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| 93 | * Connectivity related algorithms (#61) | 
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| 94 | * Euler walks (#65) | 
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| 95 | * Preflow push-relabel max. flow algorithm (#176) | 
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| 96 | * Circulation algorithm (push-relabel based) (#175) | 
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| 97 | * Suurballe algorithm (#47) | 
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| 98 | * Gomory-Hu algorithm (#66) | 
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| 99 | * Hao-Orlin algorithm (#58) | 
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| 100 | * Edmond's maximum cardinality and weighted matching algorithms | 
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| 101 | in general graphs (#48,#265) | 
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| 102 | * Minimum cost arborescence/branching (#60) | 
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| 103 | * Network Simplex min. cost flow algorithm (#234) | 
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| 104 | * New data structures | 
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| 105 | * Full graph structure (#57) | 
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| 106 | * Grid graph structure (#57) | 
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| 107 | * Hypercube graph structure (#57) | 
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| 108 | * Graph adaptors (#67) | 
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| 109 | * ArcSet and EdgeSet classes (#67) | 
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| 110 | * Elevator class (#174) | 
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| 111 | * Other new tools | 
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| 112 | * LP/MIP interface (#44) | 
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| 113 | * Support for GLPK, CPLEX, Soplex, COIN-OR CLP and CBC | 
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| 114 | * Reader for the Nauty file format (#55) | 
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| 115 | * DIMACS readers (#167) | 
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| 116 | * Radix sort algorithms (#72) | 
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| 117 | * RangeIdMap and CrossRefMap (#160) | 
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| 118 | * New command line tools | 
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| 119 | * DIMACS to LGF converter (#182) | 
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| 120 | * lgf-gen - a graph generator (#45) | 
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| 121 | * DIMACS solver utility (#226) | 
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| 122 | * Other code improvements | 
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| 123 | * Lognormal distribution added to Random (#102) | 
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| 124 | * Better (i.e. O(1) time) item counting in SmartGraph (#3) | 
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| 125 | * The standard maps of graphs are guaranteed to be | 
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| 126 | reference maps (#190) | 
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| 127 | * Miscellaneous | 
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| 128 | * Various doc improvements | 
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| 129 | * Improved 0.x -> 1.x converter script | 
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| 130 |  | 
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| 131 | * Several bugfixes (compared to release 1.0): | 
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| 132 | #170: Bugfix SmartDigraph::split() | 
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| 133 | #171: Bugfix in SmartGraph::restoreSnapshot() | 
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| 134 | #172: Extended test cases for graphs and digraphs | 
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| 135 | #173: Bugfix in Random | 
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| 136 | * operator()s always return a double now | 
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| 137 | * the faulty real<Num>(Num) and real<Num>(Num,Num) | 
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| 138 | have been removed | 
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| 139 | #187: Remove DijkstraWidestPathOperationTraits | 
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| 140 | #61:  Bugfix in DfsVisit | 
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| 141 | #193: Bugfix in GraphReader::skipSection() | 
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| 142 | #195: Bugfix in ConEdgeIt() | 
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| 143 | #197: Bugfix in heap unionfind | 
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| 144 | * This bug affects Edmond's general matching algorithms | 
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| 145 | #207: Fix 'make install' without 'make html' using CMAKE | 
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| 146 | #208: Suppress or fix VS2008 compilation warnings | 
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| 147 | ----: Update the LEMON icon | 
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| 148 | ----: Enable the component-based installer | 
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| 149 | (in installers made by CPACK) | 
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| 150 | ----: Set the proper version for CMAKE in the tarballs | 
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| 151 | (made by autotools) | 
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| 152 | ----: Minor clarification in the LICENSE file | 
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| 153 | ----: Add missing unistd.h include to time_measure.h | 
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| 154 | #204: Compilation bug fixed in graph_to_eps.h with VS2005 | 
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| 155 | #214,#215: windows.h should never be included by LEMON headers | 
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| 156 | #230: Build systems check the availability of 'long long' type | 
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| 157 | #229: Default implementation of Tolerance<> is used for integer types | 
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| 158 | #211,#212: Various fixes for compiling on AIX | 
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| 159 | ----: Improvements in CMAKE config | 
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| 160 | - docs is installed in share/doc/ | 
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| 161 | - detects newer versions of Ghostscript | 
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| 162 | #239: Fix missing 'inline' specifier in time_measure.h | 
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| 163 | #274,#280: Install lemon/config.h | 
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| 164 | #275: Prefix macro names with LEMON_ in lemon/config.h | 
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| 165 | ----: Small script for making the release tarballs added | 
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| 166 | ----: Minor improvement in unify-sources.sh (a76f55d7d397) | 
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| 167 |  | 
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| 168 | 2009-03-27 LEMON joins to the COIN-OR initiative | 
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| 169 |  | 
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| 170 | COIN-OR (Computational Infrastructure for Operations Research, | 
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| 171 | http://www.coin-or.org) project is an initiative to spur the | 
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| 172 | development of open-source software for the operations research | 
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| 173 | community. | 
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| 174 |  | 
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| 175 | 2008-10-13 Version 1.0 released | 
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| 176 |  | 
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| 177 | This is the first stable release of LEMON. Compared to the 0.x | 
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| 178 | release series, it features a considerably smaller but more | 
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| 179 | matured set of tools. The API has also completely revised and | 
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| 180 | changed in several places. | 
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| 181 |  | 
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| 182 | * The major name changes compared to the 0.x series (see the | 
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| 183 | Migration Guide in the doc for more details) | 
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| 184 | * Graph -> Digraph, UGraph -> Graph | 
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| 185 | * Edge -> Arc, UEdge -> Edge | 
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| 186 | * source(UEdge)/target(UEdge) -> u(Edge)/v(Edge) | 
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| 187 | * Other improvements | 
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| 188 | * Better documentation | 
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| 189 | * Reviewed and cleaned up codebase | 
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| 190 | * CMake based build system (along with the autotools based one) | 
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| 191 | * Contents of the library (ported from 0.x) | 
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| 192 | * Algorithms | 
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| 193 | * breadth-first search (bfs.h) | 
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| 194 | * depth-first search (dfs.h) | 
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| 195 | * Dijkstra's algorithm (dijkstra.h) | 
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| 196 | * Kruskal's algorithm (kruskal.h) | 
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| 197 | * Data structures | 
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| 198 | * graph data structures (list_graph.h, smart_graph.h) | 
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| 199 | * path data structures (path.h) | 
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| 200 | * binary heap data structure (bin_heap.h) | 
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| 201 | * union-find data structures (unionfind.h) | 
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| 202 | * miscellaneous property maps (maps.h) | 
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| 203 | * two dimensional vector and bounding box (dim2.h) | 
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| 204 | * Concepts | 
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| 205 | * graph structure concepts (concepts/digraph.h, concepts/graph.h, | 
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| 206 | concepts/graph_components.h) | 
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| 207 | * concepts for other structures (concepts/heap.h, concepts/maps.h, | 
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| 208 | concepts/path.h) | 
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| 209 | * Tools | 
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| 210 | * Mersenne twister random number generator (random.h) | 
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| 211 | * tools for measuring cpu and wall clock time (time_measure.h) | 
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| 212 | * tools for counting steps and events (counter.h) | 
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| 213 | * tool for parsing command line arguments (arg_parser.h) | 
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| 214 | * tool for visualizing graphs (graph_to_eps.h) | 
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| 215 | * tools for reading and writing data in LEMON Graph Format | 
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| 216 | (lgf_reader.h, lgf_writer.h) | 
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| 217 | * tools to handle the anomalies of calculations with | 
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| 218 | floating point numbers (tolerance.h) | 
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| 219 | * tools to manage RGB colors (color.h) | 
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| 220 | * Infrastructure | 
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| 221 | * extended assertion handling (assert.h) | 
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| 222 | * exception classes and error handling (error.h) | 
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| 223 | * concept checking (concept_check.h) | 
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| 224 | * commonly used mathematical constants (math.h) | 
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