[Clp-tickets] [COIN-OR Linear Programming Solver] #18: Memory crash in CLP, file ClpPrimalColumnSteepest.cpp; pivotsequence

[COIN-OR Linear Programming Solver]

#18: Memory crash in CLP, file ClpPrimalColumnSteepest.cpp; pivotsequence
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  Reporter:  ltaylor     |       Owner:  somebody                                                  
      Type:  defect      |      Status:  new                                                       
  Priority:  major       |   Milestone:                                                            
 Component:  component1  |     Version:                                                            
Resolution:              |    Keywords:  vector memory access pivot variable primal column steepest
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Comment (by ltaylor):

 It seems to me now that this error occurs because, somewhere,
 pivotSequence_ should be set back to -1 or something, and it isn't always.

 If pivotSequence was used before, when pivotVariable[] was a large array,
 and not reset, and then used again when pivotVariable[] is a small array,
 it could cause this error.

 LAT

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Ticket URL: <https://projects.coin-or.org/Clp/ticket/18#comment:1>
COIN-OR Linear Programming Solver <http://projects.coin-or.org/Clp>
A linear programming solver.