Changes between Version 89 and Version 90 of WikiStart


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Timestamp:
Feb 27, 2019 11:04:31 AM (8 months ago)
Author:
unxusr
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  • WikiStart

    v89 v90  
    141141
    142142== News ==
     143
     144February 27, 2019
     145 * Cbc [https://projects.coin-or.org/Cbc/browser/releases/2.10.0 2.10.0] has been released.
     146   * Improved handling of SOS, starting point, and symmetries
     147   * Improved performance of primal heuristics regarding the handling of
     148     implicit integer variables
     149   * Mini-B&B is now disabled when solving with multiple threads
     150   * Changed default value for zero half cuts parameter from off to ifmove
     151   * Added CbcModel::postProcessedSolver() to obtained LP after presolve
     152   * New option "PrepNames" to indicate whether column names should be
     153     kept in the pre-processed model
     154   * New option "sosPrioritize" to determine how to prioritize SOS
     155   * Added new event "generatedCuts"
     156   * CbcSolver can now read compressed .lp files (GZIP, BZIP2)
     157   * New functions in the C interface: Cbc_readLp, Cbc_writeLp,
     158     Cbc_addCol, Cbc_addRow, Cbc_getNumIntegers, Cbc_bestSolution,
     159     Cbc_getObjValue, Cbc_getRowNz, Cbc_getRowIndices, Cbc_getRowCoeffs,
     160     Cbc_getRowRHS, Cbc_getRowSense, Cbc_getColNz, Cbc_getColIndices,
     161     Cbc_getColCoeffs, Cbc_getReducedCost, Cbc_numberSavedSolutions,
     162     Cbc_savedSolution, Cbc_savedSolutionObj, Cbc_setMIPStart,
     163     Cbc_setMIPStartI, Cbc_addCutCallback, Osi_getNumCols, Osi_getColName,
     164     Osi_getColLower, Osi_getColUpper, Osi_isInteger, Osi_getNumRows,
     165     Osi_getRowNz, Osi_getRowIndices, Osi_getRowCoeffs, Osi_getRowRHS,
     166     Osi_getRowSense, Osi_getColSolution, OsiCuts_addRowCut,
     167     Cbc_getAllowableGap, Cbc_setAllowableGap, Cbc_getAllowableFractionGap,
     168     Cbc_setAllowableFractionGap, Cbc_getAllowablePercentageGap,
     169     Cbc_setAllowablePercentageGap, Cbc_getCutoff, Cbc_setCutoff,
     170     Cbc_getMaximumNodes, Cbc_setMaximumNodes, Cbc_getMaximumSolutions,
     171     Cbc_setMaximumSolutions, Cbc_getLogLevel, Cbc_setLogLevel,
     172     Cbc_getMaximumSeconds, Cbc_setMaximumSeconds
     173   * New action "guess" checks properties of the model to decide the best
     174     parameters for solving the LP relaxation.
     175   * New example inc.cpp to illustrate solution callback
     176   * New example driver5.cpp to illustrate user-defined branching rule
     177   * New example clpdriver.cpp to illustrate use of ClpEventHandler
     178   * Added support for using OsiHiGHS with CbcGeneric
     179   * Added MSVC 14 project files
     180   * Bugfixes
    143181
    144182June 12, 2017