Changeset 576 for branches/devel/Cbc/src
 Timestamp:
 Mar 14, 2007 7:52:07 AM (13 years ago)
 File:

 1 edited
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branches/devel/Cbc/src/CbcModel.cpp
r574 r576 6443 6443 solver_>initialSolve(); 6444 6444 if (!solver_>isProvenOptimal()) 6445 { //printf("checkSolution infeas! Retrying wihout scaling.\n"); 6446 bool saveTakeHint; 6447 OsiHintStrength saveStrength; 6448 bool savePrintHint; 6445 { 6446 #ifdef COIN_DEVELOP 6447 printf("checkSolution infeas! Retrying with primal.\n"); 6448 #endif 6449 //bool saveTakeHint; 6450 //OsiHintStrength saveStrength; 6451 //bool savePrintHint; 6449 6452 //solver_>writeMps("infeas"); 6450 bool gotHint = (solver_>getHintParam(OsiDoReducePrint,savePrintHint,saveStrength));6451 gotHint = (solver_>getHintParam(OsiDoScale,saveTakeHint,saveStrength));6452 solver_>setHintParam(OsiDoScale,false,OsiHintTry);6453 //bool gotHint = (solver_>getHintParam(OsiDoReducePrint,savePrintHint,saveStrength)); 6454 //gotHint = (solver_>getHintParam(OsiDoScale,saveTakeHint,saveStrength)); 6455 //solver_>setHintParam(OsiDoScale,false,OsiHintTry); 6453 6456 //solver_>setHintParam(OsiDoReducePrint,false,OsiHintTry) ; 6454 6457 solver_>setHintParam(OsiDoDualInInitial,false,OsiHintTry); 6455 6458 solver_>initialSolve(); 6456 solver_>setHintParam(OsiDoScale,saveTakeHint,saveStrength);6459 //solver_>setHintParam(OsiDoScale,saveTakeHint,saveStrength); 6457 6460 //solver_>setHintParam(OsiDoReducePrint,savePrintHint,OsiHintTry) ; 6461 // go from all slack now 6462 specialOptions_ &= ~2; 6463 if (!solver_>isProvenOptimal()) { 6464 CoinWarmStartBasis *slack = 6465 dynamic_cast<CoinWarmStartBasis *>(solver_>getEmptyWarmStart()) ; 6466 solver_>setWarmStart(slack); 6467 delete slack ; 6468 #ifdef COIN_DEVELOP 6469 printf("checkSolution infeas! Retrying wihout basis and with primal.\n"); 6470 #endif 6471 solver_>initialSolve(); 6472 #ifdef COIN_DEVELOP 6473 if (!solver_>isProvenOptimal()) { 6474 printf("checkSolution still infeas!\n"); 6475 } 6476 #endif 6477 } 6458 6478 } 6459 6479 //assert(solver_>isProvenOptimal()); … … 6694 6714 if (objectiveValue>cutoff&&objectiveValue<cutoff+1.0e8+1.0e8*fabs(cutoff)) 6695 6715 cutoff = objectiveValue; // relax 6696 if (objectiveValue > cutoff ) {6716 if (objectiveValue > cutoffobjectiveValue>1.0e30) { 6697 6717 if (objectiveValue>1.0e30) 6698 6718 handler_>message(CBC_NOTFEAS1, messages_) << CoinMessageEol ;
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