| 1 | 2014-07-07 Version 1.3.1 released |
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| 2 | |
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| 3 | Bugfix release. |
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| 4 | |
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| 5 | #484: Require CMAKE 2.8 |
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| 6 | #471, #472, #480: Various clang compatibility fixes |
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| 7 | #481, #482: Fix shared lib build and versioning |
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| 8 | #476: Fix invalid map query in NearestNeighborTsp |
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| 9 | #478: Bugfix in debug checking and lower bound handling |
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| 10 | in min cost flow algorithms |
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| 11 | #479, #465: Bugfix in default LP/MIP backend settings |
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| 12 | #476: Bugfix in tsp_test |
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| 13 | #487: Add missing include header and std:: namespace spec. |
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| 14 | #474: Fix division by zero error in NetworkSimplex |
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| 15 | |
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| 16 | 2013-08-10 Version 1.3 released |
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| 17 | |
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| 18 | This is major feature release |
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| 19 | |
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| 20 | * New data structures |
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| 21 | |
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| 22 | #69 : Bipartite graph concepts and implementations |
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| 23 | |
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| 24 | * New algorithms |
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| 25 | |
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| 26 | #177: Port Edmonds-Karp algorithm |
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| 27 | #380, #405: Heuristic algorithm for the max clique problem |
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| 28 | #386: Heuristic algorithms for symmetric TSP |
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| 29 | ----: Nagamochi-Ibaraki algorithm [5087694945e4] |
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| 30 | #397, #56: Max. cardinality search |
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| 31 | |
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| 32 | * Other new features |
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| 33 | |
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| 34 | #223: Thread safe graph and graph map implementations |
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| 35 | #442: Different TimeStamp print formats |
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| 36 | #457: File export functionality to LpBase |
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| 37 | #362: Bidirectional iterator support for radixSort() |
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| 38 | |
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| 39 | * Implementation improvements |
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| 40 | |
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| 41 | ----: Network Simplex |
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| 42 | #391: Better update process, pivot rule and arc mixing |
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| 43 | #435: Improved Altering List pivot rule |
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| 44 | #417: Various fine tunings in CostScaling |
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| 45 | #438: Optional iteration limit in HowardMmc |
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| 46 | #436: Ensure strongly polynomial running time for CycleCanceling |
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| 47 | while keeping the same performance |
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| 48 | ----: Make the CBC interface be compatible with latest CBC releases |
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| 49 | [ee581a0ecfbf] |
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| 50 | |
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| 51 | * CMAKE has become the default build environment (#434) |
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| 52 | |
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| 53 | ----: Autotool support has been dropped |
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| 54 | ----: Improved LP/MIP configuration |
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| 55 | #465: Enable/disable options for LP/MIP backends |
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| 56 | #446: Better CPLEX discovery |
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| 57 | #460: Add cmake config to find SoPlex |
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| 58 | ----: Allow CPACK configuration on all platforms |
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| 59 | #390: Add 'Maintainer' CMAKE build type |
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| 60 | #388: Add 'check' target. |
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| 61 | #401: Add contrib dir |
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| 62 | #389: Better version string setting in CMAKE |
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| 63 | #433: Support shared library build |
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| 64 | #416: Support testing with valgrind |
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| 65 | |
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| 66 | * Doc improvements |
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| 67 | |
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| 68 | #395: SOURCE_BROWSER Doxygen switch is configurable from CMAKE |
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| 69 | update-external-tags CMAKE target |
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| 70 | #455: Optionally use MathJax for rendering the math formulae |
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| 71 | #402, #437, #459, #456, #463: Various doc improvements |
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| 72 | |
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| 73 | * Bugfixes (compared to release 1.2): |
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| 74 | |
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| 75 | #432: Add missing doc/template.h and doc/references.bib to release |
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| 76 | tarball |
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| 77 | ----: Intel C++ compatibility fixes |
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| 78 | #441: Fix buggy reinitialization in _solver_bits::VarIndex::clear() |
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| 79 | #444: Bugfix in path copy constructors and assignment operators |
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| 80 | #447: Bugfix in AllArcLookUp<> |
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| 81 | #448: Bugfix in adaptor_test.cc |
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| 82 | #449: Fix clang compilation warnings and errors |
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| 83 | #440: Fix a bug + remove redundant typedefs in dimacs-solver |
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| 84 | #453: Avoid GCC 4.7 compiler warnings |
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| 85 | #445: Fix missing initialization in CplexEnv::CplexEnv() |
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| 86 | #428: Add missing lemon/lemon.pc.cmake to the release tarball |
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| 87 | #393: Create and install lemon.pc |
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| 88 | #429: Fix VS warnings |
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| 89 | #430: Fix LpBase::Constr two-side limit bug |
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| 90 | #392: Bug fix in Dfs::start(s,t) |
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| 91 | #414: Fix wrong initialization in Preflow |
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| 92 | #418: Better Win CodeBlock/MinGW support |
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| 93 | #419: Build environment improvements |
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| 94 | - Build of mip_test and lp_test precede the running of the tests |
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| 95 | - Also search for coin libs under ${COIN_ROOT_DIR}/lib/coin |
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| 96 | - Do not look for COIN_VOL libraries |
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| 97 | #382: Allow lgf file without Arc maps |
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| 98 | #417: Bug fix in CostScaling |
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| 99 | #366: Fix Pred[Matrix]MapPath::empty() |
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| 100 | #371: Bug fix in (di)graphCopy() |
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| 101 | The target graph is cleared before adding nodes and arcs/edges. |
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| 102 | #364: Add missing UndirectedTags |
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| 103 | #368: Fix the usage of std::numeric_limits<>::min() in Network Simplex |
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| 104 | #372: Fix a critical bug in preflow |
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| 105 | #461: Bugfix in assert.h |
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| 106 | #470: Fix compilation issues related to various gcc versions |
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| 107 | #446: Fix #define indicating CPLEX availability |
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| 108 | #294: Add explicit namespace to |
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| 109 | ignore_unused_variable_warning() usages |
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| 110 | #420: Bugfix in IterableValueMap |
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| 111 | #439: Bugfix in biNodeConnected() |
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| 112 | |
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| 113 | |
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| 114 | 2010-03-19 Version 1.2 released |
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| 115 | |
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| 116 | This is major feature release |
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| 117 | |
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| 118 | * New algorithms |
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| 119 | * Bellman-Ford algorithm (#51) |
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| 120 | * Minimum mean cycle algorithms (#179) |
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| 121 | * Karp, Hartman-Orlin and Howard algorithms |
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| 122 | * New minimum cost flow algorithms (#180) |
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| 123 | * Cost Scaling algorithms |
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| 124 | * Capacity Scaling algorithm |
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| 125 | * Cycle-Canceling algorithms |
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| 126 | * Planarity related algorithms (#62) |
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| 127 | * Planarity checking algorithm |
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| 128 | * Planar embedding algorithm |
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| 129 | * Schnyder's planar drawing algorithm |
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| 130 | * Coloring planar graphs with five or six colors |
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| 131 | * Fractional matching algorithms (#314) |
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| 132 | * New data structures |
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| 133 | * StaticDigraph structure (#68) |
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| 134 | * Several new priority queue structures (#50, #301) |
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| 135 | * Fibonacci, Radix, Bucket, Pairing, Binomial |
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| 136 | D-ary and fourary heaps (#301) |
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| 137 | * Iterable map structures (#73) |
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| 138 | * Other new tools and functionality |
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| 139 | * Map utility functions (#320) |
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| 140 | * Reserve functions are added to ListGraph and SmartGraph (#311) |
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| 141 | * A resize() function is added to HypercubeGraph (#311) |
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| 142 | * A count() function is added to CrossRefMap (#302) |
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| 143 | * Support for multiple targets in Suurballe using fullInit() (#181) |
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| 144 | * Traits class and named parameters for Suurballe (#323) |
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| 145 | * Separate reset() and resetParams() functions in NetworkSimplex |
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| 146 | to handle graph changes (#327) |
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| 147 | * tolerance() functions are added to HaoOrlin (#306) |
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| 148 | * Implementation improvements |
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| 149 | * Improvements in weighted matching algorithms (#314) |
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| 150 | * Jumpstart initialization |
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| 151 | * ArcIt iteration is based on out-arc lists instead of in-arc lists |
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| 152 | in ListDigraph (#311) |
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| 153 | * Faster add row operation in CbcMip (#203) |
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| 154 | * Better implementation for split() in ListDigraph (#311) |
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| 155 | * ArgParser can also throw exception instead of exit(1) (#332) |
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| 156 | * Miscellaneous |
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| 157 | * A simple interactive bootstrap script |
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| 158 | * Doc improvements (#62,#180,#299,#302,#303,#304,#307,#311,#331,#315, |
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| 159 | #316,#319) |
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| 160 | * BibTeX references in the doc (#184) |
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| 161 | * Optionally use valgrind when running tests |
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| 162 | * Also check ReferenceMapTag in concept checks (#312) |
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| 163 | * dimacs-solver uses long long type by default. |
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| 164 | * Several bugfixes (compared to release 1.1): |
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| 165 | #295: Suppress MSVC warnings using pragmas |
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| 166 | ----: Various CMAKE related improvements |
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| 167 | * Remove duplications from doc/CMakeLists.txt |
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| 168 | * Rename documentation install folder from 'docs' to 'html' |
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| 169 | * Add tools/CMakeLists.txt to the tarball |
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| 170 | * Generate and install LEMONConfig.cmake |
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| 171 | * Change the label of the html project in Visual Studio |
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| 172 | * Fix the check for the 'long long' type |
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| 173 | * Put the version string into config.h |
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| 174 | * Minor CMake improvements |
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| 175 | * Set the version to 'hg-tip' if everything fails |
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| 176 | #311: Add missing 'explicit' keywords |
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| 177 | #302: Fix the implementation and doc of CrossRefMap |
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| 178 | #308: Remove duplicate list_graph.h entry from source list |
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| 179 | #307: Bugfix in Preflow and Circulation |
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| 180 | #305: Bugfix and extension in the rename script |
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| 181 | #312: Also check ReferenceMapTag in concept checks |
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| 182 | #250: Bugfix in pathSource() and pathTarget() |
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| 183 | #321: Use pathCopy(from,to) instead of copyPath(to,from) |
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| 184 | #322: Distribure LEMONConfig.cmake.in |
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| 185 | #330: Bug fix in map_extender.h |
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| 186 | #336: Fix the date field comment of graphToEps() output |
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| 187 | #323: Bug fix in Suurballe |
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| 188 | #335: Fix clear() function in ExtendFindEnum |
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| 189 | #337: Use void* as the LPX object pointer |
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| 190 | #317: Fix (and improve) error message in mip_test.cc |
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| 191 | Remove unnecessary OsiCbc dependency |
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| 192 | #356: Allow multiple executions of weighted matching algorithms (#356) |
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| 193 | |
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| 194 | 2009-05-13 Version 1.1 released |
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| 195 | |
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| 196 | This is the second stable release of the 1.x series. It |
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| 197 | features a better coverage of the tools available in the 0.x |
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| 198 | series, a thoroughly reworked LP/MIP interface plus various |
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| 199 | improvements in the existing tools. |
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| 200 | |
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| 201 | * Much improved M$ Windows support |
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| 202 | * Various improvements in the CMAKE build system |
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| 203 | * Compilation warnings are fixed/suppressed |
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| 204 | * Support IBM xlC compiler |
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| 205 | * New algorithms |
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| 206 | * Connectivity related algorithms (#61) |
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| 207 | * Euler walks (#65) |
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| 208 | * Preflow push-relabel max. flow algorithm (#176) |
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| 209 | * Circulation algorithm (push-relabel based) (#175) |
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| 210 | * Suurballe algorithm (#47) |
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| 211 | * Gomory-Hu algorithm (#66) |
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| 212 | * Hao-Orlin algorithm (#58) |
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| 213 | * Edmond's maximum cardinality and weighted matching algorithms |
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| 214 | in general graphs (#48,#265) |
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| 215 | * Minimum cost arborescence/branching (#60) |
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| 216 | * Network Simplex min. cost flow algorithm (#234) |
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| 217 | * New data structures |
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| 218 | * Full graph structure (#57) |
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| 219 | * Grid graph structure (#57) |
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| 220 | * Hypercube graph structure (#57) |
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| 221 | * Graph adaptors (#67) |
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| 222 | * ArcSet and EdgeSet classes (#67) |
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| 223 | * Elevator class (#174) |
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| 224 | * Other new tools |
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| 225 | * LP/MIP interface (#44) |
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| 226 | * Support for GLPK, CPLEX, Soplex, COIN-OR CLP and CBC |
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| 227 | * Reader for the Nauty file format (#55) |
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| 228 | * DIMACS readers (#167) |
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| 229 | * Radix sort algorithms (#72) |
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| 230 | * RangeIdMap and CrossRefMap (#160) |
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| 231 | * New command line tools |
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| 232 | * DIMACS to LGF converter (#182) |
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| 233 | * lgf-gen - a graph generator (#45) |
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| 234 | * DIMACS solver utility (#226) |
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| 235 | * Other code improvements |
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| 236 | * Lognormal distribution added to Random (#102) |
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| 237 | * Better (i.e. O(1) time) item counting in SmartGraph (#3) |
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| 238 | * The standard maps of graphs are guaranteed to be |
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| 239 | reference maps (#190) |
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| 240 | * Miscellaneous |
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| 241 | * Various doc improvements |
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| 242 | * Improved 0.x -> 1.x converter script |
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| 243 | |
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| 244 | * Several bugfixes (compared to release 1.0): |
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| 245 | #170: Bugfix SmartDigraph::split() |
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| 246 | #171: Bugfix in SmartGraph::restoreSnapshot() |
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| 247 | #172: Extended test cases for graphs and digraphs |
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| 248 | #173: Bugfix in Random |
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| 249 | * operator()s always return a double now |
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| 250 | * the faulty real<Num>(Num) and real<Num>(Num,Num) |
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| 251 | have been removed |
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| 252 | #187: Remove DijkstraWidestPathOperationTraits |
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| 253 | #61: Bugfix in DfsVisit |
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| 254 | #193: Bugfix in GraphReader::skipSection() |
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| 255 | #195: Bugfix in ConEdgeIt() |
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| 256 | #197: Bugfix in heap unionfind |
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| 257 | * This bug affects Edmond's general matching algorithms |
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| 258 | #207: Fix 'make install' without 'make html' using CMAKE |
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| 259 | #208: Suppress or fix VS2008 compilation warnings |
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| 260 | ----: Update the LEMON icon |
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| 261 | ----: Enable the component-based installer |
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| 262 | (in installers made by CPACK) |
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| 263 | ----: Set the proper version for CMAKE in the tarballs |
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| 264 | (made by autotools) |
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| 265 | ----: Minor clarification in the LICENSE file |
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| 266 | ----: Add missing unistd.h include to time_measure.h |
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| 267 | #204: Compilation bug fixed in graph_to_eps.h with VS2005 |
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| 268 | #214,#215: windows.h should never be included by LEMON headers |
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| 269 | #230: Build systems check the availability of 'long long' type |
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| 270 | #229: Default implementation of Tolerance<> is used for integer types |
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| 271 | #211,#212: Various fixes for compiling on AIX |
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| 272 | ----: Improvements in CMAKE config |
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| 273 | - docs is installed in share/doc/ |
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| 274 | - detects newer versions of Ghostscript |
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| 275 | #239: Fix missing 'inline' specifier in time_measure.h |
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| 276 | #274,#280: Install lemon/config.h |
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| 277 | #275: Prefix macro names with LEMON_ in lemon/config.h |
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| 278 | ----: Small script for making the release tarballs added |
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| 279 | ----: Minor improvement in unify-sources.sh (a76f55d7d397) |
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| 280 | |
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| 281 | 2009-03-27 LEMON joins to the COIN-OR initiative |
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| 282 | |
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| 283 | COIN-OR (Computational Infrastructure for Operations Research, |
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| 284 | http://www.coin-or.org) project is an initiative to spur the |
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| 285 | development of open-source software for the operations research |
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| 286 | community. |
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| 287 | |
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| 288 | 2008-10-13 Version 1.0 released |
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| 289 | |
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| 290 | This is the first stable release of LEMON. Compared to the 0.x |
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| 291 | release series, it features a considerably smaller but more |
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| 292 | matured set of tools. The API has also completely revised and |
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| 293 | changed in several places. |
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| 294 | |
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| 295 | * The major name changes compared to the 0.x series (see the |
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| 296 | Migration Guide in the doc for more details) |
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| 297 | * Graph -> Digraph, UGraph -> Graph |
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| 298 | * Edge -> Arc, UEdge -> Edge |
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| 299 | * source(UEdge)/target(UEdge) -> u(Edge)/v(Edge) |
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| 300 | * Other improvements |
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| 301 | * Better documentation |
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| 302 | * Reviewed and cleaned up codebase |
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| 303 | * CMake based build system (along with the autotools based one) |
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| 304 | * Contents of the library (ported from 0.x) |
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| 305 | * Algorithms |
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| 306 | * breadth-first search (bfs.h) |
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| 307 | * depth-first search (dfs.h) |
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| 308 | * Dijkstra's algorithm (dijkstra.h) |
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| 309 | * Kruskal's algorithm (kruskal.h) |
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| 310 | * Data structures |
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| 311 | * graph data structures (list_graph.h, smart_graph.h) |
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| 312 | * path data structures (path.h) |
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| 313 | * binary heap data structure (bin_heap.h) |
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| 314 | * union-find data structures (unionfind.h) |
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| 315 | * miscellaneous property maps (maps.h) |
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| 316 | * two dimensional vector and bounding box (dim2.h) |
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| 317 | * Concepts |
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| 318 | * graph structure concepts (concepts/digraph.h, concepts/graph.h, |
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| 319 | concepts/graph_components.h) |
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| 320 | * concepts for other structures (concepts/heap.h, concepts/maps.h, |
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| 321 | concepts/path.h) |
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| 322 | * Tools |
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| 323 | * Mersenne twister random number generator (random.h) |
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| 324 | * tools for measuring cpu and wall clock time (time_measure.h) |
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| 325 | * tools for counting steps and events (counter.h) |
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| 326 | * tool for parsing command line arguments (arg_parser.h) |
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| 327 | * tool for visualizing graphs (graph_to_eps.h) |
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| 328 | * tools for reading and writing data in LEMON Graph Format |
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| 329 | (lgf_reader.h, lgf_writer.h) |
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| 330 | * tools to handle the anomalies of calculations with |
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| 331 | floating point numbers (tolerance.h) |
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| 332 | * tools to manage RGB colors (color.h) |
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| 333 | * Infrastructure |
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| 334 | * extended assertion handling (assert.h) |
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| 335 | * exception classes and error handling (error.h) |
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| 336 | * concept checking (concept_check.h) |
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| 337 | * commonly used mathematical constants (math.h) |
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