[Dip-tickets] [Dip] #83: Primal and dual objectives differ

Dip coin-trac at coin-or.org
Fri Sep 9 22:11:27 EDT 2011


#83: Primal and dual objectives differ
-------------------+--------------------------------------------------------
Reporter:  tkr     |     Owner:       
    Type:  defect  |    Status:  new  
Priority:  major   |   Version:  trunk
Keywords:          |  
-------------------+--------------------------------------------------------
 With revision 478 in trunk, if I solve att48 with PC with

 ModelNameCore  = 2MATCH
 ModelNameRelax = SUBTOUR

 the result after 574 iteration is

 checkMasterDualObjprimalObj= 11151.407  dualObj= 12741.554
 COIN Exception [ primal and dual obj do not match ] at
 ../../../Dip/src/DecompDebug.cpp:L191 in DecompAlgo::checkMasterDualObj

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Ticket URL: <https://projects.coin-or.org/Dip/ticket/83>
Dip <https://projects.coin-or.org/Dip>
An extensible software framework for implementing decompositon-based bounding algorithms for use in solving large-scale discrete optimization problems.



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