| 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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