methods to create and change primal solutions of SCIP
SCIP_SOLORIGIN SCIPsolGetOrigin | ( | SCIP_SOL * | sol | ) |
gets origin of solution
sol | primal CIP solution |
Definition at line 2545 of file sol.c.
References assert(), NULL, sol, and SCIP_Sol::solorigin.
Referenced by DECL_VARFIXINGS(), SCIP_DECL_CONSCHECK(), SCIPprimalAddOrigObjoffset(), SCIPprimalRetransformSolutions(), SCIPretransformSol(), and tightenVariables().
returns whether the given solution is defined on original variables
sol | primal CIP solution |
Definition at line 2555 of file sol.c.
References assert(), NULL, SCIP_SOLORIGIN_ORIGINAL, SCIP_SOLORIGIN_PARTIAL, sol, and SCIP_Sol::solorigin.
Referenced by freeTransform(), origsolOfInterest(), primalAddSol(), primalExistsSol(), primalSearchSolPos(), SCIP_DECL_CONSCHECK(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DISPOUTPUT(), SCIP_DECL_DIVESETAVAILABLE(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIPaddSol(), SCIPaddSolFree(), SCIPapplyProximity(), SCIPcheckSol(), SCIPgetSolOrigObj(), SCIPgetSolVarsData(), SCIPincSolVal(), SCIPprimalAddOrigSol(), SCIPprimalAddOrigSolFree(), SCIPprimalTransformSol(), SCIPprimalUpdateObjoffset(), SCIPprimalUpdateVarObj(), SCIPprintBestTransSol(), SCIPprintMIPStart(), SCIPprintSol(), SCIPprintTransSol(), SCIProundSol(), SCIPsetSolVal(), SCIPsetSolVals(), SCIPsolCheck(), SCIPsolGetObj(), SCIPsolGetOrigObj(), SCIPsolGetRayVal(), SCIPsolGetVal(), SCIPsolIncVal(), SCIPsolPrint(), SCIPsolPrintRay(), SCIPsolRecomputeObj(), SCIPsolRound(), SCIPsolsAreEqual(), SCIPsolSetVal(), SCIPsolTransform(), SCIPsolUnlink(), SCIPsolUpdateVarObj(), SCIPsolUpdateVarsum(), SCIPsolve(), SCIPtrySol(), SCIPtrySolFree(), separateSolution(), and transformSols().
returns whether the given solution is partial
returns whether the given solution is defined on original variables and containes unknown solution values
sol | primal CIP solution |
Definition at line 2565 of file sol.c.
References assert(), NULL, SCIP_SOLORIGIN_PARTIAL, sol, and SCIP_Sol::solorigin.
Referenced by readSol(), readSolFile(), readXmlSolFile(), SCIP_DECL_HEUREXEC(), SCIPcheckSol(), SCIPcheckSolOrig(), SCIPprimalAddOrigSol(), SCIPprimalAddOrigSolFree(), SCIPprimalAddSol(), SCIPprintMIPStart(), SCIPprintSol(), SCIPsolPrint(), SCIPsolSetVal(), SCIPtrySol(), and SCIPtrySolFree().
gets objective value of primal CIP solution which lives in the original problem space
sol | primal CIP solution |
Definition at line 2575 of file sol.c.
References assert(), NULL, SCIP_Sol::obj, SCIPsolIsOriginal(), and sol.
Referenced by primalAddOrigSol(), primalExistsOrigSol(), primalSearchOrigSolPos(), SCIPgetSolOrigObj(), SCIPprimalAddOrigObjoffset(), SCIPprimalTransformSol(), SCIPprintMIPStart(), SCIPprintSol(), solveAndEvalSubscip(), and storeSolution().
gets clock time, when this solution was found
sol | primal CIP solution |
Definition at line 2598 of file sol.c.
References assert(), NULL, sol, and SCIP_Sol::time.
Referenced by primalAddSol(), SCIPgetSolTime(), and SCIPprintSolutionStatistics().
int SCIPsolGetRunnum | ( | SCIP_SOL * | sol | ) |
gets branch and bound run number, where this solution was found
sol | primal CIP solution |
Definition at line 2608 of file sol.c.
References assert(), NULL, SCIP_Sol::runnum, and sol.
Referenced by primalAddSol(), SCIPgetSolRunnum(), and SCIPprintSolutionStatistics().
SCIP_Longint SCIPsolGetNodenum | ( | SCIP_SOL * | sol | ) |
gets node number of the specific branch and bound run, where this solution was found
gets node number, where this solution was found
sol | primal CIP solution |
Definition at line 2618 of file sol.c.
References assert(), SCIP_Sol::nodenum, NULL, and sol.
Referenced by determineVariableFixings(), primalAddSol(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIPapplyProximity(), SCIPgetSolNodenum(), SCIPprintSolutionStatistics(), SCIPsolve(), setupAndSolve(), setupAndSolve(), and solHasNewSource().
int SCIPsolGetDepth | ( | SCIP_SOL * | sol | ) |
gets node's depth, where this solution was found
sol | primal CIP solution |
Definition at line 2628 of file sol.c.
References assert(), SCIP_Sol::depth, NULL, and sol.
Referenced by primalAddSol(), and SCIPprintSolutionStatistics().
SCIP_SOLTYPE SCIPsolGetType | ( | SCIP_SOL * | sol | ) |
gets information if solution was found by the LP, a primal heuristic, or a custom relaxator
sol | primal CIP solution |
Definition at line 2700 of file sol.c.
References assert(), NULL, sol, and SCIP_Sol::type.
Referenced by SCIP_DECL_DISPOUTPUT().
gets heuristic that found this solution, or NULL if solution has type different than SCIP_SOLTYPE_HEUR
gets heuristic, that found this solution or NULL if solution has type different than SCIP_SOLTYPE_HEUR
sol | primal CIP solution |
Definition at line 2638 of file sol.c.
References assert(), SCIP_Sol::creator, SCIP_Sol::heur, NULL, SCIP_SOLTYPE_HEUR, sol, and SCIP_Sol::type.
Referenced by addTightEstimatorCuts(), checkSolution(), determineVariableFixings(), presolve(), presolveRound(), primalAddSol(), proposeFeasibleSolution(), SCIP_DECL_CONCSOLVERCOPYSOLVINGDATA(), SCIP_DECL_CONSCHECK(), SCIP_DECL_DISPOUTPUT(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIPapplyProximity(), SCIPgetSolHeur(), SCIPprimalTransformSol(), SCIPprintSolutionStatistics(), SCIPreoptAddSol(), SCIPsolCopy(), SCIPsolve(), SCIPupdateStartpointHeurSubNlp(), SCIPvisualFoundSolution(), solHasNewSource(), soltreeAddSol(), solveComponent(), and solveSubNLP().
SCIP_RELAX * SCIPsolGetRelax | ( | SCIP_SOL * | sol | ) |
gets relaxation handler that found this solution, or NULL if solution has different type than SCIP_SOLTYPE_RELAX
sol | primal CIP solution |
Definition at line 2710 of file sol.c.
References assert(), SCIP_Sol::creator, NULL, SCIP_Sol::relax, SCIP_SOLTYPE_RELAX, sol, and SCIP_Sol::type.
Referenced by SCIP_DECL_DISPOUTPUT(), and SCIPsolCopy().
informs the solution that it now belongs to the given primal heuristic. For convenience and backwards compatibility, the method accepts NULL as input for heur
, in which case the solution type is set to SCIP_SOLTYPE_LPRELAX.
sol | primal CIP solution |
heur | primal heuristic that found the solution, or NULL for LP solutions |
Definition at line 2683 of file sol.c.
References assert(), SCIP_Sol::creator, SCIP_Sol::heur, NULL, SCIP_SOLTYPE_HEUR, SCIPsolSetLPRelaxation(), sol, and SCIP_Sol::type.
Referenced by createSolFromNLP(), createSolFromSubScipSol(), primalLinkCurrentSol(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIPheurPassSolAddSol(), SCIPheurPassSolTrySol(), SCIPheurSyncPassSol(), SCIPsolCopy(), SCIPsolCreate(), SCIPsolCreateOriginal(), SCIPsolCreatePartial(), SCIPsolCreateUnknown(), SCIPupdateStartpointHeurSubNlp(), and solveComponent().
void SCIPsolSetRelax | ( | SCIP_SOL * | sol, |
SCIP_RELAX * | relax ) |
informs the solution that it now belongs to the given relaxation handler
sol | primal CIP solution |
relax | relaxator that found the solution |
Definition at line 2720 of file sol.c.
References assert(), SCIP_Sol::creator, NULL, SCIP_Sol::relax, SCIP_SOLTYPE_RELAX, sol, and SCIP_Sol::type.
Referenced by SCIPsolCopy(), and SCIPsolCreateRelaxSol().
informs the solution that it is an LP relaxation solution
sol | primal CIP solution |
Definition at line 2733 of file sol.c.
References assert(), NULL, SCIP_SOLTYPE_LPRELAX, sol, and SCIP_Sol::type.
Referenced by SCIPsolSetHeur().
informs the solution that it is a solution found during strong branching
sol | primal CIP solution |
Definition at line 2743 of file sol.c.
References assert(), NULL, SCIP_SOLTYPE_STRONGBRANCH, sol, and SCIP_Sol::type.
Referenced by SCIPtryStrongbranchLPSol().
informs the solution that it originates from a pseudo solution
sol | primal CIP solution |
Definition at line 2753 of file sol.c.
References assert(), NULL, SCIP_SOLTYPE_PSEUDO, sol, and SCIP_Sol::type.
Referenced by SCIPsolCreatePseudoSol().
int SCIPsolGetIndex | ( | SCIP_SOL * | sol | ) |
returns unique index of given solution
sol | primal CIP solution |
Definition at line 2669 of file sol.c.
References assert(), SCIP_Sol::index, NULL, and sol.
Referenced by constructValidSolution(), execRelpscost(), SCIP_DECL_CONSCHECK(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_NLHDLRESTIMATE(), SCIP_DECL_NLHDLRESTIMATE(), SCIP_DECL_NLHDLRESTIMATE(), SCIPapplyProximity(), SCIPIsConcurrentSolNew(), SCIPtranslateSubSols(), selectInitialVariableDecomposition(), setupAndSolveSubscipCrossover(), solveComponent(), and solveSubscipLpface().
get maximum absolute bound violation of solution
sol | primal CIP solution |
Definition at line 2447 of file sol.c.
References SCIP_Viol::absviolbounds, assert(), NULL, sol, and SCIP_Sol::viol.
Referenced by SCIP_DECL_DIALOGEXEC().
get maximum relative bound violation of solution
sol | primal CIP solution |
Definition at line 2457 of file sol.c.
References assert(), NULL, SCIP_Viol::relviolbounds, sol, and SCIP_Sol::viol.
Referenced by SCIP_DECL_DIALOGEXEC().
get maximum absolute integrality violation of solution
sol | primal CIP solution |
Definition at line 2467 of file sol.c.
References SCIP_Viol::absviolintegrality, assert(), NULL, sol, and SCIP_Sol::viol.
Referenced by SCIP_DECL_DIALOGEXEC().
get maximum absolute LP row violation of solution
sol | primal CIP solution |
Definition at line 2477 of file sol.c.
References SCIP_Viol::absviollprows, assert(), NULL, sol, and SCIP_Sol::viol.
Referenced by SCIP_DECL_DIALOGEXEC().
get maximum relative LP row violation of solution
sol | primal CIP solution |
Definition at line 2487 of file sol.c.
References assert(), NULL, SCIP_Viol::relviollprows, sol, and SCIP_Sol::viol.
Referenced by SCIP_DECL_DIALOGEXEC().
get maximum absolute constraint violation of solution
sol | primal CIP solution |
Definition at line 2497 of file sol.c.
References SCIP_Viol::absviolcons, assert(), NULL, sol, and SCIP_Sol::viol.
Referenced by SCIP_DECL_DIALOGEXEC().
get maximum relative constraint violation of solution
sol | primal CIP solution |
Definition at line 2507 of file sol.c.
References assert(), NULL, SCIP_Viol::relviolcons, sol, and SCIP_Sol::viol.
Referenced by SCIP_DECL_DIALOGEXEC().
SCIP_RETCODE SCIPcreateSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_HEUR * | heur ) |
creates a primal solution, initialized to zero
scip | SCIP data structure |
sol | pointer to store the solution |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 328 of file scip_sol.c.
References FALSE, NULL, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIP_STAGE_EXITPRESOLVE, SCIP_STAGE_EXITSOLVE, SCIP_STAGE_FREETRANS, SCIP_STAGE_INITPRESOLVE, SCIP_STAGE_INITSOLVE, SCIP_STAGE_PRESOLVED, SCIP_STAGE_PRESOLVING, SCIP_STAGE_PROBLEM, SCIP_STAGE_SOLVED, SCIP_STAGE_SOLVING, SCIP_STAGE_TRANSFORMED, SCIP_STAGE_TRANSFORMING, SCIPcheckStage(), SCIPerrorMessage, SCIPsolCreate(), SCIPsolCreateOriginal(), sol, and TRUE.
SCIP_RETCODE SCIPcreateLPSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_HEUR * | heur ) |
creates a primal solution, initialized to the current LP solution
scip | SCIP data structure |
sol | pointer to store the solution |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 370 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPsolCreateLPSol(), SCIPtreeHasCurrentNodeLP(), sol, and TRUE.
Referenced by constructValidSolution(), copyCurrentSolution(), performInteriorSolCutStrengthening(), proposeFeasibleSolution(), SCIP_DECL_CONSENFOLP(), SCIPtryStrongbranchLPSol(), and setAndUpdateCorePoint().
SCIP_RETCODE SCIPcreateNLPSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_HEUR * | heur ) |
creates a primal solution, initialized to the current NLP solution
scip | SCIP data structure |
sol | pointer to store the solution |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 398 of file scip_sol.c.
References assert(), FALSE, NULL, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPisNLPConstructed(), SCIPnlpHasSolution(), SCIPsolCreateNLPSol(), sol, and TRUE.
Referenced by resolveNLPWithTighterFeastol(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_SEPAEXECLP(), SCIPaddNlRowGradientBenderscutOpt(), SCIPbendersSolSlackVarsActive(), and SCIPbendersSolveSubproblemLP().
SCIP_RETCODE SCIPcreateRelaxSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_HEUR * | heur ) |
creates a primal solution, initialized to the current relaxation solution
scip | SCIP data structure |
sol | pointer to store the solution |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 433 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPrelaxationIsSolValid(), SCIPsolCreateRelaxSol(), sol, and TRUE.
Referenced by constructValidSolution().
SCIP_RETCODE SCIPcreatePseudoSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_HEUR * | heur ) |
creates a primal solution, initialized to the current pseudo solution
scip | SCIP data structure |
sol | pointer to store the solution |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 460 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolCreatePseudoSol(), sol, and TRUE.
Referenced by constructValidSolution(), and SCIP_DECL_CONSENFOPS().
SCIP_RETCODE SCIPcreateCurrentSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_HEUR * | heur ) |
creates a primal solution, initialized to the current LP or pseudo solution, depending on whether the LP was solved at the current node
scip | SCIP data structure |
sol | pointer to store the solution |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 483 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolCreateCurrentSol(), sol, and TRUE.
Referenced by SCIP_DECL_CONSENFOLP(), SCIP_DECL_CONSENFOPS(), SCIP_DECL_SEPAEXECLP(), SCIP_DECL_SEPAEXECLP(), SCIPbendersSolSlackVarsActive(), SCIPcreateSolCopy(), and SCIPcreateSolCopyOrig().
SCIP_RETCODE SCIPcreatePartialSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_HEUR * | heur ) |
creates a partial primal solution, initialized to unknown values
scip | SCIP data structure |
sol | pointer to store the solution |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 505 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolCreatePartial(), sol, and TRUE.
Referenced by readMst().
SCIP_RETCODE SCIPcreateUnknownSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_HEUR * | heur ) |
creates a primal solution, initialized to unknown values
scip | SCIP data structure |
sol | pointer to store the solution |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 533 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolCreateUnknown(), sol, and TRUE.
SCIP_RETCODE SCIPcreateOrigSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_HEUR * | heur ) |
creates a primal solution living in the original problem space, initialized to zero; a solution in original space allows to set original variables to values that would be invalid in the transformed problem due to preprocessing fixings or aggregations
creates a primal solution living in the original problem space, initialized to zero; a solution in original space allows to set original variables to values that would be invalid in the transformed problem due to preprocessing fixings or aggregations
scip | SCIP data structure |
sol | pointer to store the solution |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 565 of file scip_sol.c.
References FALSE, NULL, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIP_STAGE_EXITPRESOLVE, SCIP_STAGE_EXITSOLVE, SCIP_STAGE_FREETRANS, SCIP_STAGE_INITPRESOLVE, SCIP_STAGE_INITSOLVE, SCIP_STAGE_PRESOLVED, SCIP_STAGE_PRESOLVING, SCIP_STAGE_PROBLEM, SCIP_STAGE_SOLVED, SCIP_STAGE_SOLVING, SCIP_STAGE_TRANSFORMED, SCIP_STAGE_TRANSFORMING, SCIPcheckStage(), SCIPerrorMessage, SCIPsolCreateOriginal(), sol, and TRUE.
Referenced by applyOptcumulative(), componentSetupWorkingSol(), createSolFromSubScipSol(), executeHeuristic(), fixDiscreteVars(), reuseSolution(), reuseSolution(), SCIP_DECL_CONCSOLVERSYNCREAD(), SCIP_DECL_HEUREXEC(), SCIPcreateFiniteSolCopy(), setupAndSolveSubscipOneopt(), and solveAndEvalSubscip().
SCIP_RETCODE SCIPcreateSolCopy | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_SOL * | sourcesol ) |
creates a copy of a primal solution; note that a copy of a linked solution is also linked and needs to be unlinked if it should stay unaffected from changes in the LP or pseudo solution
creates a copy of a primal solution; note that a copy of a linked solution is also linked and needs to be unlinked if it should stay unaffected from changes in the LP or pseudo solution
scip | SCIP data structure |
sol | pointer to store the solution |
sourcesol | primal CIP solution to copy |
Definition at line 618 of file scip_sol.c.
References FALSE, i, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPcreateCurrentSol(), SCIPsolCopy(), sol, and TRUE.
Referenced by constructValidSolution(), enforceCardinality(), fromCommandLine(), proposeFeasibleSolution(), sampleRandomPoints(), SCIP_DECL_CONSCHECK(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_SEPAEXECLP(), SCIPheurPassSolAddSol(), SCIPheurPassSolTrySol(), SCIPsetBasePointClosecuts(), SCIPupdateStartpointHeurSubNlp(), and setAndUpdateCorePoint().
SCIP_RETCODE SCIPcreateSolCopyOrig | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_SOL * | sourcesol ) |
creates a copy of a solution in the original primal solution space
scip | SCIP data structure |
sol | pointer to store the solution |
sourcesol | primal CIP solution to copy |
Definition at line 658 of file scip_sol.c.
References assert(), FALSE, i, NULL, SCIP_CALL, SCIP_OKAY, SCIP_STAGE_EXITPRESOLVE, SCIP_STAGE_FREETRANS, SCIP_STAGE_INITPRESOLVE, SCIP_STAGE_INITSOLVE, SCIP_STAGE_PRESOLVED, SCIP_STAGE_PRESOLVING, SCIP_STAGE_PROBLEM, SCIP_STAGE_SOLVED, SCIP_STAGE_SOLVING, SCIP_STAGE_TRANSFORMED, SCIP_STAGE_TRANSFORMING, SCIPcheckStage(), SCIPcreateCurrentSol(), SCIPsolCopy(), sol, and TRUE.
SCIP_RETCODE SCIPcreateFiniteSolCopy | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_SOL * | sourcesol, | ||
SCIP_Bool * | success ) |
creates a copy of a primal solution, thereby replacing infinite fixings of variables by finite values; the copy is always defined in the original variable space; success indicates whether the objective value of the solution was changed by removing infinite values
scip | SCIP data structure |
sol | pointer to store the solution |
sourcesol | primal CIP solution to copy |
success | does the finite solution have the same objective value? |
Definition at line 849 of file scip_sol.c.
References assert(), FALSE, i, NULL, REALABS, SCIP_CALL, SCIP_OKAY, SCIP_VARSTATUS_FIXED, SCIPallocBufferArray, SCIPcheckStage(), SCIPcreate(), SCIPcreateOrigSol(), SCIPdebugMsg, SCIPepsilon(), SCIPfree(), SCIPfreeBufferArray, SCIPgetFixedVars(), SCIPgetNFixedVars(), SCIPgetOrigVarsData(), SCIPgetSolOrigObj(), SCIPgetSolVals(), SCIPisEQ(), SCIPisInfinity(), SCIPprintSol(), SCIPsetSolVal(), SCIPvarGetLbGlobal(), SCIPvarGetLbOriginal(), SCIPvarGetName(), SCIPvarGetStatus(), SCIPvarGetUbGlobal(), SCIPvarGetUbOriginal(), setupAndSolveFiniteSolSubscip(), sol, TRUE, and var.
Referenced by freeTransform(), SCIP_DECL_DIALOGEXEC(), and SCIP_DECL_DIALOGEXEC().
SCIP_RETCODE SCIPfreeSol | ( | SCIP * | scip, |
SCIP_SOL ** | sol ) |
frees primal CIP solution
scip | SCIP data structure |
sol | pointer to the solution |
Definition at line 985 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIP_STAGE_EXITPRESOLVE, SCIP_STAGE_EXITSOLVE, SCIP_STAGE_FREETRANS, SCIP_STAGE_INITPRESOLVE, SCIP_STAGE_INITSOLVE, SCIP_STAGE_PRESOLVED, SCIP_STAGE_PRESOLVING, SCIP_STAGE_PROBLEM, SCIP_STAGE_SOLVED, SCIP_STAGE_SOLVING, SCIP_STAGE_TRANSFORMED, SCIP_STAGE_TRANSFORMING, SCIPcheckStage(), SCIPerrorMessage, SCIPsolFree(), sol, and TRUE.
SCIP_RETCODE SCIPlinkLPSol | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
links a primal solution to the current LP solution
scip | SCIP data structure |
sol | primal solution |
Definition at line 1026 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPlpIsSolved(), SCIPsolLinkLPSol(), sol, and TRUE.
SCIP_RETCODE SCIPlinkNLPSol | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
links a primal solution to the current NLP solution
scip | SCIP data structure |
sol | primal solution |
Definition at line 1052 of file scip_sol.c.
References FALSE, NULL, SCIP_CALL, SCIP_INVALIDCALL, SCIP_NLPSOLSTAT_FEASIBLE, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPnlpGetSolstat(), SCIPsolLinkNLPSol(), sol, and TRUE.
Referenced by SCIP_DECL_HEUREXEC().
SCIP_RETCODE SCIPlinkRelaxSol | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
links a primal solution to the current relaxation solution
scip | SCIP data structure |
sol | primal solution |
Definition at line 1084 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPrelaxationIsSolValid(), SCIPsolLinkRelaxSol(), sol, and TRUE.
Referenced by performRelaxSimpleRounding().
SCIP_RETCODE SCIPlinkPseudoSol | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
links a primal solution to the current pseudo solution
scip | SCIP data structure |
sol | primal solution |
Definition at line 1111 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolLinkPseudoSol(), sol, and TRUE.
SCIP_RETCODE SCIPlinkCurrentSol | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
links a primal solution to the current LP or pseudo solution
scip | SCIP data structure |
sol | primal solution |
Definition at line 1131 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolLinkCurrentSol(), sol, and TRUE.
SCIP_RETCODE SCIPclearSol | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
clears a primal solution
scip | SCIP data structure |
sol | primal solution |
Definition at line 1162 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolClear(), sol, and TRUE.
Referenced by sampleRandomPoints(), and SCIPtranslateSubSols().
SCIP_RETCODE SCIPunlinkSol | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
stores solution values of variables in solution's own array
scip | SCIP data structure |
sol | primal solution |
Definition at line 1190 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolUnlink(), sol, and TRUE.
Referenced by constructValidSolution(), copyCurrentSolution(), performInteriorSolCutStrengthening(), proposeFeasibleSolution(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIPheurPassSolAddSol(), SCIPheurPassSolTrySol(), SCIPperformGenericDivingAlgorithm(), SCIPretransformSol(), SCIPupdateStartpointHeurSubNlp(), and setAndUpdateCorePoint().
SCIP_RETCODE SCIPsetSolVal | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_VAR * | var, | ||
SCIP_Real | val ) |
sets value of variable in primal CIP solution
scip | SCIP data structure |
sol | primal solution |
var | variable to add to solution |
val | solution value of variable |
Definition at line 1221 of file scip_sol.c.
References assert(), FALSE, SCIP_Var::scip, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPsolIsOriginal(), SCIPsolSetVal(), SCIPvarGetName(), SCIPvarIsTransformed(), sol, TRUE, and var.
Referenced by addTightEstimatorCuts(), applyOptcumulative(), applyRepair(), assignVars(), buildConvexCombination(), checkCands(), checkSystemGF2(), componentSetupWorkingSol(), computeInteriorPoint(), constructSolution(), constructValidSolution(), createCGMIPprimalsols(), createNewSol(), createSolFromNLP(), createSolFromNLP(), createSolFromSubScipSol(), createSolFromSubScipSol(), DECL_VARFIXINGS(), enfopsCons(), estimateConvexSecant(), fixDiscreteVars(), generateCloseCutPoint(), getNLPFracVars(), getSolFromFacet(), heurExec(), improvePoint(), initializeSol(), initProblem(), makeSOS1conflictgraphFeasible(), makeSOS1constraintsFeasible(), AMPLProblemHandler::OnInitialValue(), optimize(), performInteriorSolCutStrengthening(), performRandRounding(), performSimpleRounding(), polishPrimalSolution(), readSolFile(), readXmlSolFile(), reoptimize(), reoptimize(), reuseSolution(), reuseSolution(), sampleRandomPoints(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_NLHDLRENFO(), SCIP_DECL_NLHDLRINITSEPA(), SCIP_DECL_VERTEXPOLYFUN(), SCIPaddNlRowGradientBenderscutOpt(), SCIPapplyHeurDualval(), SCIPcomputeLPRelIntPoint(), SCIPcreateFiniteSolCopy(), SCIPmakeIndicatorFeasible(), separateCuts(), setAndUpdateCorePoint(), setupAndSolve(), setupAndSolveSubscipOneopt(), setVarToNearestBound(), solveAndEvalSubscip(), solveComponent(), solveNLP(), startProbing(), updateSlacks(), updateVariableRounding(), while(), while(), and while().
SCIP_RETCODE SCIPsetSolVals | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
int | nvars, | ||
SCIP_VAR ** | vars, | ||
SCIP_Real * | vals ) |
sets values of multiple variables in primal CIP solution
scip | SCIP data structure |
sol | primal solution |
nvars | number of variables to set solution value for |
vars | array with variables to add to solution |
vals | array with solution values of variables |
Definition at line 1263 of file scip_sol.c.
References assert(), FALSE, NULL, nvars, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPsolIsOriginal(), SCIPsolSetVal(), SCIPvarGetName(), SCIPvarIsTransformed(), sol, TRUE, and vars.
Referenced by computeOffValues(), createNewSol(), createNewSol(), createNewSol(), initConcsolver(), reuseSolution(), reuseSolution(), SCIP_DECL_CONCSOLVERCOPYSOLVINGDATA(), SCIP_DECL_CONCSOLVERSYNCREAD(), SCIPtranslateSubSol(), and SCIPtranslateSubSols().
SCIP_RETCODE SCIPincSolVal | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_VAR * | var, | ||
SCIP_Real | incval ) |
increases value of variable in primal CIP solution
scip | SCIP data structure |
sol | primal solution |
var | variable to increase solution value for |
incval | increment for solution value of variable |
Definition at line 1318 of file scip_sol.c.
References assert(), FALSE, i, SCIP_Var::scip, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPsolIncVal(), SCIPsolIsOriginal(), SCIPvarGetName(), SCIPvarIsTransformed(), sol, TRUE, and var.
Referenced by proposeFeasibleSolution().
returns value of variable in primal CIP solution, or in current LP/pseudo solution
sol
is NULL, that means it is asked for the LP or pseudo solution, this method can only be called if scip
is in the solving stage SCIP_STAGE_SOLVING. In any other case, this method can be called if scip
is in one of the following stages:
scip | SCIP data structure |
sol | primal solution, or NULL for current LP/pseudo solution |
var | variable to get value for |
Definition at line 1361 of file scip_sol.c.
References assert(), FALSE, NULL, SCIP_Var::scip, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPsolGetVal(), SCIPtreeHasCurrentNodeLP(), SCIPvarGetSol(), sol, TRUE, and var.
Referenced by addBilinearTermToCut(), addBinaryConstraint(), addBranchingComplementaritiesSOS1(), addColToCut(), addFacetToCut(), addLinearTermToCut(), addLocalBranchingConstraint(), addLocalBranchingConstraint(), addLocalBranchingConstraint(), addLocalbranchingConstraintAndObjcutoff(), addLowerBound(), addRltTerm(), addTightEstimatorCut(), addTightEstimatorCuts(), addUpperBound(), analyzeViolation(), applyDomainReductions(), applyRepair(), branchBalancedCardinality(), branchOnVar(), branchUnbalancedCardinality(), buildConvexCombination(), buildMod2Matrix(), calcEfficacy(), calcEfficacy(), calcEfficacyDenseStorageQuad(), checkAndConss(), checkCands(), checkCons(), checkCons(), checkCons(), checkCons(), checkCons(), checkCons(), checkCons(), checkCons(), checkCumulativeCondition(), checkOrigPbCons(), checkSetupTolerances(), checkSymresackSolution(), checkSystemGF2(), chooseGuidedVar(), collectBranchingCands(), collectEstLst(), collectSolActivities(), collectSolution(), computeConvexEnvelopeFacet(), computeCut(), computeCut(), computeInitialKnapsackCover(), computeIntegerVariableBounds(), computeIntegerVariableBoundsDins(), computeNogoodCut(), computeStandardIntegerOptCut(), consdataCheckSuperindicator(), consdataGetActivity(), consPrintConsSol(), constructSNFRelaxation(), constructValidSolution(), copyValues(), createCGCutCMIR(), createCGCutDirect(), createCGCutStrongCG(), createNAryBranch(), createNewSol(), createNewSol(), createProjRow(), createSelectedSortedEventpointsSol(), createSolFromSubScipSol(), createSolFromSubScipSol(), createSortedEventpointsSol(), createSubproblem(), createSubscip(), CUTOFF_CONSTRAINT(), CUTOFF_CONSTRAINT(), cutsTransformMIR(), DECL_CHANGESUBSCIP(), DECL_CHANGESUBSCIP(), DECL_VARFIXINGS(), determineBestBounds(), determineBound(), determineBoundForSNF(), determineFixings(), determineVariableFixings(), determineVariableFixings(), determineVariableFixings(), scipexamples::QueensSolver::disp(), doSeachEcAggr(), enforceCardinality(), enforceConflictgraph(), enforceConssSOS1(), enforceConstraints(), enforceCuts(), enforceExpr(), enforceExprNlhdlr(), enforceIndicators(), enforceSol(), enforceSOS2(), estimateBivariateQuotient(), estimateConvexSecant(), estimateGradient(), estimateUnivariateQuotient(), estimateVertexPolyhedral(), evalExprInAux(), evalSingleTerm(), executeHeuristic(), extendToCover(), extractVariablesMINLP(), findSubtour(), fixDiscreteVars(), fixMatchingSolutionValues(), fixVariables(), generateCloseCutPoint(), generateClusterCuts(), generateCut(), generateCut(), generateCutSolDisagg(), generateCutSolSOC(), generateZerohalfCut(), getBestEstimators(), getBoundConsFromVertices(), getBranchingPrioritiesSOS1(), getBranchingVerticesSOS1(), getClosestVlb(), getClosestVub(), getDiveBdChgsSOS1conflictgraph(), getDiveBdChgsSOS1constraints(), getExprAbsAuxViolation(), getExprAbsOrigViolation(), getFixingValue(), getFixVal(), getNLPFracVars(), getPotential(), getPotentialContributed(), getRelDistance(), getSolutionValues(), getVectorOfWeights(), getViolSplitWeight(), handle1Cycle(), handleCycle(), heurExec(), if(), improvePoint(), intercutsComputeCommonQuantities(), isConsViolated(), isConsViolated(), isPossibleToComputeCut(), isQuadConsViolated(), isSolFeasible(), isViolatedSOS1(), LOPseparate(), main(), makeSOS1conflictgraphFeasible(), makeSOS1constraintsFeasible(), markRowsXj(), maximalslack(), nodeGetSolvalBinaryBigMSOS1(), nodeGetSolvalVarboundLbSOS1(), nodeGetSolvalVarboundUbSOS1(), optimize(), performInteriorSolCutStrengthening(), performRandRounding(), polishPrimalSolution(), proposeFeasibleSolution(), registerBranchingCandidates(), reoptimize(), reuseSolution(), reuseSolution(), rowprepCleanupImproveCoefrange(), runBenders(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSENFOLP(), SCIP_DECL_CONSENFOPS(), SCIP_DECL_CONSENFORELAX(), SCIP_DECL_CONSEXIT(), SCIP_DECL_CONSGETDIVEBDCHGS(), SCIP_DECL_CONSGETDIVEBDCHGS(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_EXPREVAL(), SCIP_DECL_EXPRFWDIFF(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_NLHDLRENFO(), SCIP_DECL_NLHDLRENFO(), SCIP_DECL_NLHDLRESTIMATE(), SCIP_DECL_NLHDLRESTIMATE(), SCIP_DECL_NLHDLRESTIMATE(), SCIP_DECL_NLHDLREVALAUX(), SCIP_DECL_NLHDLREVALAUX(), SCIP_DECL_NLHDLREVALAUX(), SCIP_DECL_NLHDLREVALAUX(), SCIP_DECL_NLHDLREVALAUX(), SCIP_DECL_PRICERREDCOST(), SCIP_DECL_READERWRITE(), SCIP_DECL_RELAXEXEC(), SCIP_DECL_SEPAEXECLP(), SCIPaddTrustregionNeighborhoodConstraint(), SCIPapplyHeurDualval(), SCIPapplyHeurSubNlp(), SCIPapplyProximity(), SCIPbendersGetAuxiliaryVarVal(), SCIPbendersSetupSubproblem(), SCIPbendersSolSlackVarsActive(), SCIPcheckSolutionOrbisack(), SCIPcutGenerationHeuristicCMIR(), SCIPcycAddIncompleteSol(), SCIPcycPrintSolutionValues(), SCIPevalBilinAuxExprNonlinear(), SCIPevalExprQuadratic(), SCIPevalExprQuadraticAuxNonlinear(), SCIPgenerateAndApplyBendersOptCut(), SCIPgetRowprepViolation(), SCIPisViolatedIndicator(), SCIPmakeIndicatorFeasible(), SCIPperformGenericDivingAlgorithm(), SCIPprintRowprepSol(), SCIPprintSolReaderFzn(), SCIPprocessRowprepNonlinear(), SCIPseparateRelaxedKnapsack(), SCIPverifyCircularPatternNLP(), SCIPwriteCliqueGraph(), SCIPwriteSolutionNl(), scoreBranchingCandidates(), selectEssentialRounding(), selectEssentialRounding(), selectEssentialRounding(), selectNextDiving(), selectRounding(), selectShifting(), selectShifting(), selectVarStart(), sepaImplBoundCutsSOS1(), separateCons(), separateCoversOrbisack(), separateCuts(), separateCuts(), separateCuts(), separateGLS(), separateHeur(), separateIndicators(), separateMcCormickImplicit(), separateOddCycles(), separatePerspective(), separatePoint(), sepaSubtour(), setAltLPObj(), setupAggregationData(), setupAndSolve(), setupAndSolveCumulativeSubscip(), setupAndSolveFiniteSolSubscip(), setupAndSolveSubscipOneopt(), setVarToNearestBound(), solCutIsViolated(), solveAndEvalSubscip(), solveComponent(), solveCoveringProblem(), solveLp(), solveNLP(), solveSubNLP(), startProbing(), storeAggrFromMIP(), TCLIQUE_NEWSOL(), tightenVariables(), transformNonIntegralRow(), translateSubSol(), tryFixVar(), updateBestCandidate(), updatePartition(), updateSlacks(), updateWeightsTCliquegraph(), visualizeSolutionAscii(), visualizeSolutionGnuplot(), visualizeSolutionGnuplot(), and visualizeSolutionMatplotlib().
SCIP_RETCODE SCIPgetSolVals | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
int | nvars, | ||
SCIP_VAR ** | vars, | ||
SCIP_Real * | vals ) |
gets values of multiple variables in primal CIP solution
scip | SCIP data structure |
sol | primal solution, or NULL for current LP/pseudo solution |
nvars | number of variables to get solution value for |
vars | array with variables to get value for |
vals | array to store solution values of variables |
Definition at line 1398 of file scip_sol.c.
References assert(), FALSE, NULL, nvars, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPgetVarSols(), SCIPsolGetVal(), sol, TRUE, and vars.
Referenced by alnsFixMoreVariables(), createNewSol(), initConcsolver(), reoptimize(), reoptimize(), reuseSolution(), reuseSolution(), SCIP_DECL_CONCSOLVERCOPYSOLVINGDATA(), SCIP_DECL_CONCSOLVERSYNCWRITE(), SCIP_DECL_CONSENFOLP(), SCIP_DECL_CONSENFOLP(), SCIP_DECL_CONSENFORELAX(), SCIP_DECL_CONSENFORELAX(), SCIP_DECL_CONSSEPALP(), SCIP_DECL_CONSSEPALP(), SCIP_DECL_CONSSEPASOL(), SCIP_DECL_CONSSEPASOL(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_SEPAEXECSOL(), SCIPcreateFiniteSolCopy(), SCIPseparateKnapsackCuts(), SCIPsetNLPInitialGuessSol(), SCIPsetRelaxSolValsSol(), separateCuts(), and separateCuts().
returns objective value of primal CIP solution w.r.t. original problem, or current LP/pseudo objective value
scip | SCIP data structure |
sol | primal solution, or NULL for current LP/pseudo objective value |
Definition at line 1444 of file scip_sol.c.
References FALSE, NULL, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPlpGetObjval(), SCIPlpGetPseudoObjval(), SCIPprobExternObjval(), SCIPsolGetObj(), SCIPsolGetOrigObj(), SCIPsolIsOriginal(), SCIPtreeHasCurrentNodeLP(), sol, and TRUE.
Referenced by applyBoundHeur(), applyOptcumulative(), applyRepair(), applyVbounds(), computeStandardIntegerOptCut(), createNewSol(), createNewSol(), createSwitchSolution(), displayRelevantStats(), extractVariablesMINLP(), generateAndApplyBendersIntegerCuts(), if(), presolve(), presolveRound(), reoptimize(), reuseSolution(), reuseSolution(), runBenders(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_CONCSOLVERSYNCWRITE(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRICERREDCOST(), SCIPapplyHeurDualval(), SCIPbendersComputeSubproblemLowerbound(), SCIPbendersExec(), SCIPbendersExecSubproblemSolve(), SCIPbendersSolveSubproblem(), SCIPbendersSolveSubproblemLP(), SCIPcreateFiniteSolCopy(), SCIPheurPassSolAddSol(), SCIPheurPassSolTrySol(), SCIPmakeSOS1sFeasible(), SCIPperformGenericDivingAlgorithm(), SCIPtransformProb(), SCIPtranslateSubSols(), SCIPvisualFoundSolution(), setupAndSolveSubscipRapidlearning(), solveAndEvalSubscip(), solveComponent(), solveCoveringProblem(), visualizeSolutionAscii(), visualizeSolutionGnuplot(), visualizeSolutionGnuplot(), visualizeSolutionMatplotlib(), while(), while(), while(), and while().
returns transformed objective value of primal CIP solution, or transformed current LP/pseudo objective value
scip | SCIP data structure |
sol | primal solution, or NULL for current LP/pseudo objective value |
Definition at line 1491 of file scip_sol.c.
References FALSE, NULL, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPlpGetObjval(), SCIPlpGetPseudoObjval(), SCIPsolGetObj(), SCIPtreeHasCurrentNodeLP(), sol, and TRUE.
Referenced by addTrustRegionConstraints(), applyHeur(), isDisplaySol(), proposeFeasibleSolution(), sampleRandomPoints(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_SEPAEXECSOL(), SCIPapplyProximity(), SCIPheurSyncPassSol(), SCIPtranslateSubSols(), SCIPupdateStartpointHeurSubNlp(), SCIPvisualFoundSolution(), separateCuts(), solveComponent(), transferSolution(), tryOneOpt(), trySolCandidate(), and updateSubproblemLowerbound().
SCIP_RETCODE SCIPrecomputeSolObj | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
recomputes the objective value of an original solution, e.g., when transferring solutions from the solution pool (objective coefficients might have changed in the meantime)
Definition at line 1522 of file scip_sol.c.
References assert(), FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolRecomputeObj(), sol, and TRUE.
Referenced by SCIP_DECL_HEUREXEC().
maps original space objective value into transformed objective value
scip | SCIP data structure |
obj | original space objective value to transform |
Definition at line 1551 of file scip_sol.c.
References FALSE, obj, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPprobInternObjval(), and TRUE.
Referenced by SCIP_DECL_DIALOGEXEC(), and SCIPsetObjlimit().
maps transformed objective value into original space
scip | SCIP data structure |
obj | transformed objective value to retransform in original space |
Definition at line 1576 of file scip_sol.c.
References FALSE, obj, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPprobExternObjval(), and TRUE.
Referenced by calcGap(), SCIP_DECL_DISPOUTPUT(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIPbendersComputeSubproblemLowerbound(), SCIPbendersSolveSubproblemLP(), SCIPperformGenericDivingAlgorithm(), SCIPprintRootStatistics(), SCIPprintSolutionStatistics(), SCIPvisualCutoffNode(), SCIPvisualLowerbound(), SCIPvisualNewChild(), SCIPvisualSolvedNode(), SCIPvisualUpdateChild(), SCIPvisualUpperbound(), setupAndSolveSubscipRapidlearning(), setupSubScip(), solveComponent(), while(), while(), while(), and writeExpandedSolutions().
gets clock time, when this solution was found
scip | SCIP data structure |
sol | primal solution |
Definition at line 1603 of file scip_sol.c.
References FALSE, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPsolGetTime(), sol, and TRUE.
gets branch and bound run number, where this solution was found
scip | SCIP data structure |
sol | primal solution |
Definition at line 1630 of file scip_sol.c.
References FALSE, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPsolGetRunnum(), sol, and TRUE.
SCIP_Longint SCIPgetSolNodenum | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
gets node number of the specific branch and bound run, where this solution was found
scip | SCIP data structure |
sol | primal solution |
Definition at line 1657 of file scip_sol.c.
References FALSE, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPsolGetNodenum(), sol, and TRUE.
Referenced by SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), and SCIP_DECL_HEUREXEC().
gets heuristic, that found this solution (or NULL if it's from the tree)
scip | SCIP data structure |
sol | primal solution |
Definition at line 1684 of file scip_sol.c.
References FALSE, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPsolGetHeur(), sol, and TRUE.
Referenced by determineVariableFixings(), SCIP_DECL_DISPOUTPUT(), SCIP_DECL_EVENTEXEC(), and SCIPupdateStartpointHeurSubNlp().
returns whether two given solutions are exactly equal
scip | SCIP data structure |
sol1 | first primal CIP solution |
sol2 | second primal CIP solution |
Definition at line 1712 of file scip_sol.c.
References FALSE, i, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPsolsAreEqual(), and TRUE.
SCIP_RETCODE SCIPadjustImplicitSolVals | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Bool | uselprows ) |
adjusts solution values of implicit integer variables in handed solution. Solution objective value is not deteriorated by this method.
scip | SCIP data structure |
sol | primal CIP solution |
uselprows | should LP row information be considered for none-objective variables |
Definition at line 1732 of file scip_sol.c.
References assert(), FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolAdjustImplicitSolVals(), sol, and TRUE.
Referenced by performSimpleRounding().
SCIP_RETCODE SCIPprintSol | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
FILE * | file, | ||
SCIP_Bool | printzeros ) |
outputs non-zero variables of solution in original problem space to the given file stream
sol
is NULL (askinking for the current LP/pseudo solution), this method can be called if scip
is in one of the following stages:
sol
is not NULL, this method can be called if scip
is in one of the following stages:
outputs non-zero variables of solution in original problem space to the given file stream
sol
is NULL (asking for the current LP/pseudo solution), this method can be called if scip
is in one of the following stages:
sol
is not NULL, this method can be called if scip
is in one of the following stages:
scip | SCIP data structure |
sol | primal solution, or NULL for current LP/pseudo solution |
file | output file (or NULL for standard output) |
printzeros | should variables set to zero be printed? |
Definition at line 1775 of file scip_sol.c.
References assert(), FALSE, i, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPisTransformed(), SCIPmessageFPrintInfo(), SCIPmessagehdlrIsQuiet(), SCIPmessagehdlrSetQuiet(), SCIPprintReal(), SCIPprobExternObjval(), SCIPsolCreateCurrentSol(), SCIPsolFree(), SCIPsolGetObj(), SCIPsolGetOrigObj(), SCIPsolIsOriginal(), SCIPsolIsPartial(), SCIPsolPrint(), sol, and TRUE.
Referenced by checkSystemGF2(), createCGCutDirect(), enforceConstraint(), enforceSol(), fromCommandLine(), if(), performRandRounding(), performSimpleRounding(), resolveNLPWithTighterFeastol(), runBrachistochrone(), runPacking(), runSpring(), SCIP_DECL_CONSENFOLP(), SCIP_DECL_CONSSEPALP(), SCIP_DECL_CONSSEPASOL(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRICERREDCOST(), SCIPbendersExec(), SCIPbendersSolveSubproblemLP(), SCIPcreateFiniteSolCopy(), SCIPprintBestSol(), SCIPwriteSolutionNl(), searchEcAggrWithMIP(), separateCuts(), separateCuts(), solveCoveringProblem(), and trySolCandidate().
SCIP_RETCODE SCIPprintTransSol | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
FILE * | file, | ||
SCIP_Bool | printzeros ) |
outputs non-zero variables of solution in transformed problem space to file stream
scip | SCIP data structure |
sol | primal solution, or NULL for current LP/pseudo solution |
file | output file (or NULL for standard output) |
printzeros | should variables set to zero be printed? |
Definition at line 1857 of file scip_sol.c.
References FALSE, i, NULL, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPmessageFPrintInfo(), SCIPprintReal(), SCIPsolCreateCurrentSol(), SCIPsolFree(), SCIPsolGetObj(), SCIPsolIsOriginal(), SCIPsolPrint(), sol, and TRUE.
Referenced by SCIP_DECL_NLHDLRENFO(), and SCIPprintBestTransSol().
SCIP_RETCODE SCIPprintMIPStart | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
FILE * | file ) |
outputs discrete variables of solution in original problem space to the given file stream
scip
is in one of the following stages:
scip | SCIP data structure |
sol | primal solution |
file | output file (or NULL for standard output) |
Definition at line 1914 of file scip_sol.c.
References assert(), FALSE, i, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPmessageFPrintInfo(), SCIPmessagehdlrIsQuiet(), SCIPmessagehdlrSetQuiet(), SCIPprintReal(), SCIPprobExternObjval(), SCIPsolGetObj(), SCIPsolGetOrigObj(), SCIPsolIsOriginal(), SCIPsolIsPartial(), SCIPsolPrint(), sol, and TRUE.
Referenced by SCIP_DECL_DIALOGEXEC().
SCIP_RETCODE SCIPgetDualSolVal | ( | SCIP * | scip, |
SCIP_CONS * | cons, | ||
SCIP_Real * | dualsolval, | ||
SCIP_Bool * | boundconstraint ) |
returns dual solution value of a constraint
scip | SCIP data structure |
cons | constraint for which the dual solution should be returned |
dualsolval | pointer to store the dual solution value |
boundconstraint | pointer to store whether the constraint is a bound constraint (or NULL) |
Definition at line 1956 of file scip_sol.c.
References assert(), i, NULL, nvars, SCIP_CALL, SCIP_INVALID, SCIP_OBJSENSE_MAXIMIZE, SCIP_OKAY, SCIPconsGetHdlr(), SCIPconsGetNVars(), SCIPconsGetTransformed(), SCIPconshdlrGetName(), SCIPconsIsTransformed(), SCIPgetDualsolLinear(), SCIPgetLhsLinear(), SCIPgetObjsense(), SCIPgetRhsLinear(), SCIPgetValsLinear(), SCIPgetVarRedcost(), SCIPgetVarsLinear(), SCIPsetIsEQ(), SCIPvarGetLPSol(), and vars.
Referenced by printDualSol().
check whether the dual solution is available
scip | SCIP data structure |
printreason | print warning message if dualsol is not available? |
Definition at line 2082 of file scip_sol.c.
References assert(), c, FALSE, i, NULL, SCIP_CALL_ABORT, SCIP_STAGE_SOLVED, SCIPcheckStage(), SCIPconsGetHdlr(), SCIPconshdlrGetName(), SCIPgetStage(), SCIPmessageFPrintInfo(), SCIPwarningMessage(), and TRUE.
Referenced by SCIPprintDualSol().
SCIP_RETCODE SCIPprintDualSol | ( | SCIP * | scip, |
FILE * | file, | ||
SCIP_Bool | printzeros ) |
outputs dual solution from LP solver to file stream
outputs dual solution from LP solver to file stream
scip | SCIP data structure |
file | output file (or NULL for standard output) |
printzeros | should variables set to zero be printed? |
Definition at line 2145 of file scip_sol.c.
References i, printDualSol(), SCIP_CALL, SCIP_OKAY, SCIPisDualSolAvailable(), and TRUE.
Referenced by SCIP_DECL_DIALOGEXEC().
SCIP_RETCODE SCIPprintRay | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
FILE * | file, | ||
SCIP_Bool | printzeros ) |
outputs non-zero variables of solution representing a ray in original problem space to file stream
scip | SCIP data structure |
sol | primal solution representing ray |
file | output file (or NULL for standard output) |
printzeros | should variables set to zero be printed? |
Definition at line 2178 of file scip_sol.c.
References assert(), FALSE, i, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPsolPrintRay(), sol, and TRUE.
Referenced by setupAndSolve(), and updatePrimalRay().
int SCIPgetNSols | ( | SCIP * | scip | ) |
gets number of feasible primal solutions stored in the solution storage in case the problem is transformed; in case the problem stage is SCIP_STAGE_PROBLEM, the number of solution in the original solution candidate storage is returned
scip | SCIP data structure |
Definition at line 2214 of file scip_sol.c.
References FALSE, SCIP_CALL_ABORT, SCIP_STAGE_EXITPRESOLVE, SCIP_STAGE_EXITSOLVE, SCIP_STAGE_FREETRANS, SCIP_STAGE_INIT, SCIP_STAGE_INITPRESOLVE, SCIP_STAGE_INITSOLVE, SCIP_STAGE_PRESOLVED, SCIP_STAGE_PRESOLVING, SCIP_STAGE_PROBLEM, SCIP_STAGE_SOLVED, SCIP_STAGE_SOLVING, SCIP_STAGE_TRANSFORMED, SCIP_STAGE_TRANSFORMING, SCIPABORT, SCIPcheckStage(), SCIPerrorMessage, and TRUE.
Referenced by applyHeur(), applyRepair(), checkEstimateCriterion(), checkLogCriterion(), checkRankOneTransition(), createCGCuts(), createNLP(), createSubproblem(), DECL_VARFIXINGS(), DECL_VARFIXINGS(), determineSolvingPhase(), determineVariableFixings(), determineVariableFixings(), doSolveSubMIP(), extractVariablesMINLP(), initConcsolver(), initializeCandsLists(), presolve(), presolveRound(), reoptimize(), reuseSolution(), reuseSolution(), runBrachistochrone(), runPacking(), runSpring(), SCIP_DECL_CONCSOLVERCOPYSOLVINGDATA(), SCIP_DECL_CONCSOLVERSYNCWRITE(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIVESETAVAILABLE(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRICERREDCOST(), SCIP_DECL_SEPAEXECLP(), SCIPapplyHeurSubNlp(), SCIPapplyProximity(), SCIPapplyRedSize(), SCIPtranslateSubSols(), SCIPvalidateSolve(), SCIPverifyCircularPatternNLP(), searchEcAggrWithMIP(), selectSolsRandomized(), setupAndSolve(), setupAndSolve(), setupAndSolveSubscip(), setupAndSolveSubscip(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipRapidlearning(), solveAndEvalSubscip(), solveCoveringProblem(), solveSubNLP(), solveSubproblem(), solveSubscipLpface(), storeAggrFromMIP(), transformSols(), and wrapperDins().
gets array of feasible primal solutions stored in the solution storage in case the problem is transformed; in case if the problem stage is in SCIP_STAGE_PROBLEM, it returns the number array of solution candidate stored
scip | SCIP data structure |
Definition at line 2263 of file scip_sol.c.
References FALSE, NULL, SCIP_CALL_ABORT, SCIP_STAGE_EXITPRESOLVE, SCIP_STAGE_EXITSOLVE, SCIP_STAGE_FREE, SCIP_STAGE_FREETRANS, SCIP_STAGE_INIT, SCIP_STAGE_INITPRESOLVE, SCIP_STAGE_INITSOLVE, SCIP_STAGE_PRESOLVED, SCIP_STAGE_PRESOLVING, SCIP_STAGE_PROBLEM, SCIP_STAGE_SOLVED, SCIP_STAGE_SOLVING, SCIP_STAGE_TRANSFORMED, SCIP_STAGE_TRANSFORMING, SCIPcheckStage(), SCIPerrorMessage, and TRUE.
Referenced by createCGCuts(), DECL_VARFIXINGS(), DECL_VARFIXINGS(), determineVariableFixings(), determineVariableFixings(), doSolveSubMIP(), fixVariables(), reuseSolution(), reuseSolution(), SCIP_DECL_CONCSOLVERCOPYSOLVINGDATA(), SCIP_DECL_CONCSOLVERSYNCWRITE(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRICERREDCOST(), SCIPapplyRedSize(), SCIPtranslateSubSols(), selectSolsRandomized(), setupAndSolve(), setupAndSolve(), setupAndSolveSubscip(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipRapidlearning(), solveSubNLP(), solveSubproblem(), and transformSols().
gets best feasible primal solution found so far if the problem is transformed; in case the problem is in SCIP_STAGE_PROBLEM it returns the best solution candidate, or NULL if no solution has been found or the candidate store is empty;
scip | SCIP data structure |
Definition at line 2313 of file scip_sol.c.
References assert(), FALSE, NULL, SCIP_CALL_ABORT, SCIP_STAGE_EXITPRESOLVE, SCIP_STAGE_EXITSOLVE, SCIP_STAGE_FREE, SCIP_STAGE_FREETRANS, SCIP_STAGE_INIT, SCIP_STAGE_INITPRESOLVE, SCIP_STAGE_INITSOLVE, SCIP_STAGE_PRESOLVED, SCIP_STAGE_PRESOLVING, SCIP_STAGE_PROBLEM, SCIP_STAGE_SOLVED, SCIP_STAGE_SOLVING, SCIP_STAGE_TRANSFORMED, SCIP_STAGE_TRANSFORMING, SCIPcheckStage(), SCIPerrorMessage, and TRUE.
Referenced by addLocalBranchingConstraint(), addLocalBranchingConstraint(), addLocalbranchingConstraintAndObjcutoff(), addTrustRegionConstraints(), applyHeur(), applyRepair(), computeIntegerVariableBounds(), computeIntegerVariableBoundsDins(), computeStandardIntegerOptCut(), createSubscip(), createSwitchSolution(), DECL_CHANGESUBSCIP(), DECL_CHANGESUBSCIP(), DECL_NHREFSOL(), DECL_VARFIXINGS(), DECL_VARFIXINGS(), decompHorizonBlockUsedRecently(), decompHorizonGetFirstPosBestPotential(), decompHorizonNext(), determineFixings(), determineVariableFixings(), determineVariableFixings(), determineVariableFixings(), determineVariableFixingsDecomp(), scipexamples::QueensSolver::disp(), displayRelevantStats(), execRelpscost(), extractVariablesMINLP(), fixAndPropagate(), fromCommandLine(), getFixingValue(), initConcsolver(), main(), maximalslack(), performInteriorSolCutStrengthening(), presolve(), presolveRound(), reoptimize(), reoptimize(), runBenders(), runBrachistochrone(), runPacking(), runSpring(), SCIP_DECL_CONSEXIT(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DISPINITSOL(), SCIP_DECL_DISPOUTPUT(), SCIP_DECL_DISPOUTPUT(), SCIP_DECL_DIVESETAVAILABLE(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_READERWRITE(), SCIP_DECL_RELAXEXEC(), SCIP_DECL_SEPAEXECLP(), SCIP_DECL_SEPAEXECLP(), SCIPaddCurrentSol(), SCIPaddSol(), SCIPaddSolFree(), SCIPaddTrustregionNeighborhoodConstraint(), SCIPapplyHeurDualval(), SCIPapplyProximity(), SCIPbendersExecSubproblemSolve(), SCIPbendersSolSlackVarsActive(), SCIPbendersSolveSubproblem(), SCIPprintBestSol(), SCIPprintBestTransSol(), SCIPtransformProb(), SCIPtryCurrentSol(), SCIPtrySol(), SCIPtrySolFree(), SCIPvalidateSolve(), SCIPverifyCircularPatternNLP(), SCIPwriteSolutionNl(), scoring(), searchEcAggrWithMIP(), selectInitialVariableDecomposition(), selectInitialVariableRandomly(), setAndUpdateCorePoint(), setupAndSolve(), setupAndSolve(), setupAndSolveCumulativeSubscip(), setupAndSolveFiniteSolSubscip(), setupAndSolveSubscipCrossover(), solveAndEvalSubscip(), solveComponent(), solveCoveringProblem(), solveSubscipLpface(), storeAggrFromMIP(), transferSolution(), and updatePartition().
SCIP_RETCODE SCIPprintBestSol | ( | SCIP * | scip, |
FILE * | file, | ||
SCIP_Bool | printzeros ) |
outputs best feasible primal solution found so far to file stream
outputs best feasible primal solution found so far to file stream
scip | SCIP data structure |
file | output file (or NULL for standard output) |
printzeros | should variables set to zero be printed? |
Definition at line 2379 of file scip_sol.c.
References FALSE, i, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPgetBestSol(), SCIPmessageFPrintInfo(), SCIPprintSol(), sol, and TRUE.
Referenced by execmain(), fromCommandLine(), fromCommandLine(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_DIALOGEXEC(), and solveSubscip().
SCIP_RETCODE SCIPprintBestTransSol | ( | SCIP * | scip, |
FILE * | file, | ||
SCIP_Bool | printzeros ) |
outputs best feasible primal solution found so far in transformed variables to file stream
outputs best feasible primal solution found so far in transformed variables to file stream
scip | SCIP data structure |
file | output file (or NULL for standard output) |
printzeros | should variables set to zero be printed? |
Definition at line 2419 of file scip_sol.c.
References FALSE, i, NULL, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPgetBestSol(), SCIPmessageFPrintInfo(), SCIPprintTransSol(), SCIPsolIsOriginal(), sol, and TRUE.
Referenced by SCIP_DECL_DIALOGEXEC().
SCIP_RETCODE SCIProundSol | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Bool * | success ) |
try to round given solution
scip | SCIP data structure |
sol | primal solution |
success | pointer to store whether rounding was successful |
Definition at line 2455 of file scip_sol.c.
References FALSE, i, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPsolIsOriginal(), SCIPsolRound(), sol, and TRUE.
Referenced by applyBoundHeur(), applyVbounds(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIPperformGenericDivingAlgorithm(), SCIPtryStrongbranchLPSol(), solveNLP(), and while().
SCIP_RETCODE SCIPretransformSol | ( | SCIP * | scip, |
SCIP_SOL * | sol ) |
retransforms solution to original problem space
retransforms solution to original problem space
scip | SCIP data structure |
sol | primal CIP solution |
Definition at line 2491 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_ERROR, SCIP_INVALIDCALL, SCIP_OKAY, SCIP_SOLORIGIN_LPSOL, SCIP_SOLORIGIN_NLPSOL, SCIP_SOLORIGIN_ORIGINAL, SCIP_SOLORIGIN_PARTIAL, SCIP_SOLORIGIN_PSEUDOSOL, SCIP_SOLORIGIN_RELAXSOL, SCIP_SOLORIGIN_UNKNOWN, SCIP_SOLORIGIN_ZERO, SCIPcheckStage(), SCIPerrorMessage, SCIPsolGetOrigin(), SCIPsolRetransform(), SCIPunlinkSol(), sol, and TRUE.
Referenced by fromCommandLine().
SCIP_RETCODE SCIPreadSol | ( | SCIP * | scip, |
const char * | filename ) |
reads a given solution file
scip | SCIP data structure |
filename | name of the input file |
Definition at line 2549 of file scip_sol.c.
References FALSE, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPreadProb(), and TRUE.
SCIP_RETCODE SCIPreadSolFile | ( | SCIP * | scip, |
const char * | filename, | ||
SCIP_SOL * | sol, | ||
SCIP_Bool | xml, | ||
SCIP_Bool * | partial, | ||
SCIP_Bool * | error ) |
reads a given solution file and store the solution values in the given solution pointer
scip | SCIP data structure |
filename | name of the input file |
sol | solution pointer |
xml | true, iff the given solution in written in XML |
partial | pointer to store if the solution is partial |
error | pointer store if an error occured |
Definition at line 2895 of file scip_sol.c.
References FALSE, i, readSolFile(), readXmlSolFile(), SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), sol, and TRUE.
Referenced by readMst(), readSol(), and SCIP_DECL_HEUREXEC().
SCIP_RETCODE SCIPaddSol | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Bool * | stored ) |
adds feasible primal solution to solution storage by copying it
scip | SCIP data structure |
sol | primal CIP solution |
stored | stores whether given solution was good enough to keep |
Definition at line 2935 of file scip_sol.c.
References assert(), FALSE, i, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIP_STAGE_EXITPRESOLVE, SCIP_STAGE_EXITSOLVE, SCIP_STAGE_FREETRANS, SCIP_STAGE_INITPRESOLVE, SCIP_STAGE_INITSOLVE, SCIP_STAGE_PRESOLVED, SCIP_STAGE_PRESOLVING, SCIP_STAGE_PROBLEM, SCIP_STAGE_SOLVED, SCIP_STAGE_SOLVING, SCIP_STAGE_TRANSFORMED, SCIP_STAGE_TRANSFORMING, SCIPcheckStage(), SCIPerrorMessage, SCIPgetBestSol(), SCIPprimalAddOrigSol(), SCIPprimalAddSol(), SCIPsolIsOriginal(), SCIPstoreSolutionGap(), sol, and TRUE.
Referenced by solveComponent().
SCIP_RETCODE SCIPaddSolFree | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_Bool * | stored ) |
adds primal solution to solution storage, frees the solution afterwards
scip | SCIP data structure |
sol | pointer to primal CIP solution; is cleared in function call |
stored | stores whether given solution was good enough to keep |
Definition at line 2999 of file scip_sol.c.
References assert(), FALSE, i, NULL, SCIP_CALL, SCIP_INVALIDCALL, SCIP_OKAY, SCIP_STAGE_EXITPRESOLVE, SCIP_STAGE_EXITSOLVE, SCIP_STAGE_FREETRANS, SCIP_STAGE_INITPRESOLVE, SCIP_STAGE_INITSOLVE, SCIP_STAGE_PRESOLVED, SCIP_STAGE_PRESOLVING, SCIP_STAGE_PROBLEM, SCIP_STAGE_SOLVED, SCIP_STAGE_SOLVING, SCIP_STAGE_TRANSFORMED, SCIP_STAGE_TRANSFORMING, SCIPcheckStage(), SCIPerrorMessage, SCIPgetBestSol(), SCIPprimalAddOrigSolFree(), SCIPprimalAddSolFree(), SCIPsolIsOriginal(), SCIPstoreSolutionGap(), sol, and TRUE.
Referenced by applyRepair(), AMPLProblemHandler::EndInput(), initConcsolver(), readMst(), readSol(), reuseSolution(), reuseSolution(), SCIP_DECL_CONCSOLVERCOPYSOLVINGDATA(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), and SCIPtranslateSubSols().
SCIP_RETCODE SCIPaddCurrentSol | ( | SCIP * | scip, |
SCIP_HEUR * | heur, | ||
SCIP_Bool * | stored ) |
adds current LP/pseudo solution to solution storage
scip | SCIP data structure |
heur | heuristic that found the solution |
stored | stores whether given solution was good enough to keep |
Definition at line 3058 of file scip_sol.c.
References FALSE, i, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPgetBestSol(), SCIPprimalAddCurrentSol(), SCIPstoreSolutionGap(), and TRUE.
SCIP_RETCODE SCIPtrySol | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Bool | printreason, | ||
SCIP_Bool | completely, | ||
SCIP_Bool | checkbounds, | ||
SCIP_Bool | checkintegrality, | ||
SCIP_Bool | checklprows, | ||
SCIP_Bool * | stored ) |
checks solution for feasibility; if possible, adds it to storage by copying
scip | SCIP data structure |
sol | primal CIP solution |
printreason | Should all reasons of violation be printed? |
completely | Should all violations be checked if printreason is true? |
checkbounds | Should the bounds of the variables be checked? |
checkintegrality | Has integrality to be checked? |
checklprows | Do constraints represented by rows in the current LP have to be checked? |
stored | stores whether given solution was feasible and good enough to keep |
Definition at line 3098 of file scip_sol.c.
References assert(), checkSolOrig(), FALSE, i, NULL, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIPABORT, SCIPcheckStage(), SCIPerrorMessage, SCIPgetBestSol(), SCIPprimalAddSol(), SCIPprimalTrySol(), SCIPsolIsOriginal(), SCIPsolIsPartial(), SCIPstoreSolutionGap(), sol, and TRUE.
Referenced by applyBoundHeur(), applyVbounds(), createNewSol(), enforceCardinality(), if(), if(), performRandRounding(), performSimpleRounding(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIPperformGenericDivingAlgorithm(), solveLp(), solveSubproblem(), and while().
SCIP_RETCODE SCIPtrySolFree | ( | SCIP * | scip, |
SCIP_SOL ** | sol, | ||
SCIP_Bool | printreason, | ||
SCIP_Bool | completely, | ||
SCIP_Bool | checkbounds, | ||
SCIP_Bool | checkintegrality, | ||
SCIP_Bool | checklprows, | ||
SCIP_Bool * | stored ) |
checks primal solution; if feasible, adds it to storage; solution is freed afterwards
scip | SCIP data structure |
sol | pointer to primal CIP solution; is cleared in function call |
printreason | Should all reasons of violations be printed |
completely | Should all violations be checked if printreason is true? |
checkbounds | Should the bounds of the variables be checked? |
checkintegrality | Has integrality to be checked? |
checklprows | Do constraints represented by rows in the current LP have to be checked? |
stored | stores whether solution was feasible and good enough to keep |
Definition at line 3193 of file scip_sol.c.
References assert(), checkSolOrig(), FALSE, i, NULL, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIPABORT, SCIPcheckStage(), SCIPerrorMessage, SCIPgetBestSol(), SCIPprimalAddSolFree(), SCIPprimalTrySolFree(), SCIPsolFree(), SCIPsolIsOriginal(), SCIPsolIsPartial(), SCIPstoreSolutionGap(), sol, and TRUE.
Referenced by applyOptcumulative(), createCGMIPprimalsols(), createNewSol(), createNewSol(), createNewSol(), createSwitchSolution(), executeHeuristic(), heurExec(), presolve(), processNLPSol(), readSol(), reoptimize(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEUREXEC(), SCIPcycAddIncompleteSol(), SCIPtryStrongbranchLPSol(), setupAndSolve(), setupAndSolve(), setupAndSolveSubscip(), setupAndSolveSubscipOneopt(), setupAndSolveSubscipRapidlearning(), solveSubNLP(), storeSolution(), transferSolution(), tryOneOpt(), and trySolCandidate().
SCIP_RETCODE SCIPtryCurrentSol | ( | SCIP * | scip, |
SCIP_HEUR * | heur, | ||
SCIP_Bool | printreason, | ||
SCIP_Bool | completely, | ||
SCIP_Bool | checkintegrality, | ||
SCIP_Bool | checklprows, | ||
SCIP_Bool * | stored ) |
checks current LP/pseudo solution for feasibility; if possible, adds it to storage
scip | SCIP data structure |
heur | heuristic that found the solution |
printreason | Should all reasons of violations be printed? |
completely | Should all violations be checked if printreason is true? |
checkintegrality | Has integrality to be checked? |
checklprows | Do constraints represented by rows in the current LP have to be checked? |
stored | stores whether given solution was feasible and good enough to keep |
Definition at line 3287 of file scip_sol.c.
References checkSolOrig(), FALSE, i, SCIP_CALL, SCIP_OKAY, SCIPABORT, SCIPcheckStage(), SCIPerrorMessage, SCIPgetBestSol(), SCIPprimalTryCurrentSol(), SCIPstoreSolutionGap(), and TRUE.
Referenced by SCIP_DECL_HEUREXEC().
returns all partial solutions
scip | SCIP data structure |
Definition at line 3342 of file scip_sol.c.
References assert(), FALSE, NULL, SCIP_CALL_ABORT, SCIPcheckStage(), and TRUE.
Referenced by SCIP_DECL_HEUREXEC().
int SCIPgetNPartialSols | ( | SCIP * | scip | ) |
returns number of partial solutions
scip | SCIP data structure |
Definition at line 3364 of file scip_sol.c.
References assert(), FALSE, NULL, SCIP_CALL_ABORT, SCIPcheckStage(), and TRUE.
Referenced by SCIP_DECL_HEUREXEC().
SCIP_RETCODE SCIPcheckSol | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Bool | printreason, | ||
SCIP_Bool | completely, | ||
SCIP_Bool | checkbounds, | ||
SCIP_Bool | checkintegrality, | ||
SCIP_Bool | checklprows, | ||
SCIP_Bool * | feasible ) |
checks solution for feasibility without adding it to the solution store
scip | SCIP data structure |
sol | primal CIP solution |
printreason | Should all reasons of violations be printed? |
completely | Should all violations be checked if printreason is true? |
checkbounds | Should the bounds of the variables be checked? |
checkintegrality | Has integrality to be checked? |
checklprows | Do constraints represented by rows in the current LP have to be checked? |
feasible | stores whether given solution is feasible |
Definition at line 3391 of file scip_sol.c.
References checkSolOrig(), FALSE, i, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPsolCheck(), SCIPsolIsOriginal(), SCIPsolIsPartial(), sol, and TRUE.
Referenced by applyVbounds(), checkSystemGF2(), constructValidSolution(), processNLPSol(), SCIP_DECL_HEUREXEC(), SCIPtranslateSubSols(), solveAndEvalSubscip(), solveComponent(), solveSubNLP(), and transferSolution().
SCIP_RETCODE SCIPcheckSolOrig | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Bool * | feasible, | ||
SCIP_Bool | printreason, | ||
SCIP_Bool | completely ) |
checks solution for feasibility in original problem without adding it to the solution store; this method is used to double check a solution in order to validate the presolving process
scip | SCIP data structure |
sol | primal CIP solution |
feasible | stores whether given solution is feasible |
printreason | should the reason for the violation be printed? |
completely | Should all violations be checked if printreason is true? |
Definition at line 3448 of file scip_sol.c.
References assert(), checkSolOrig(), FALSE, i, NULL, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIPcheckStage(), SCIPerrorMessage, SCIPsolIsPartial(), sol, and TRUE.
Referenced by checkSolutionOrig(), displayRelevantStats(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_PRICERREDCOST(), SCIPsolveCIP(), SCIPvalidateSolve(), solveAndEvalSubscip(), and solveComponent().
update integrality violation of a solution
scip | SCIP data structure |
sol | primal CIP solution |
absviol | absolute violation |
Definition at line 238 of file scip_sol.c.
References i, SCIPprimalUpdateViolations(), SCIPsolUpdateIntegralityViolation(), and sol.
Referenced by SCIP_DECL_CONSCHECK().
void SCIPupdateSolBoundViolation | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Real | absviol, | ||
SCIP_Real | relviol ) |
update bound violation of a solution
scip | SCIP data structure |
sol | primal CIP solution |
absviol | absolute violation |
relviol | relative violation |
Definition at line 249 of file scip_sol.c.
References i, SCIPprimalUpdateViolations(), SCIPsolUpdateBoundViolation(), and sol.
Referenced by checkSolOrig(), and checkSolOrig().
void SCIPupdateSolLPRowViolation | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Real | absviol, | ||
SCIP_Real | relviol ) |
update LP row violation of a solution
scip | SCIP data structure |
sol | primal CIP solution |
absviol | absolute violation |
relviol | relative violation |
Definition at line 261 of file scip_sol.c.
References i, SCIPprimalUpdateViolations(), SCIPsolUpdateLPRowViolation(), and sol.
void SCIPupdateSolConsViolation | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Real | absviol, | ||
SCIP_Real | relviol ) |
update constraint violation of a solution
scip | SCIP data structure |
sol | primal CIP solution |
absviol | absolute violation |
relviol | relative violation |
Definition at line 273 of file scip_sol.c.
References i, SCIPprimalUpdateViolations(), SCIPsolUpdateConsViolation(), and sol.
Referenced by checkAllConss(), checkCons(), checkCons(), checkCons(), checkCons(), checkCumulativeCondition(), checkOrigPbCons(), isConsViolated(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), SCIP_DECL_CONSCHECK(), and SCIP_DECL_CONSCHECK().
void SCIPupdateSolLPConsViolation | ( | SCIP * | scip, |
SCIP_SOL * | sol, | ||
SCIP_Real | absviol, | ||
SCIP_Real | relviol ) |
update LP row and constraint violations of a solution
scip | SCIP data structure |
sol | primal CIP solution |
absviol | absolute violation |
relviol | relative violation |
Definition at line 285 of file scip_sol.c.
References i, SCIPprimalUpdateViolations(), SCIPsolUpdateLPConsViolation(), and sol.
Referenced by checkCons(), checkCons(), checkCons(), checkCons(), checkCons(), and isConsViolated().
allow violation updates
scip | SCIP data structure |
Definition at line 297 of file scip_sol.c.
References SCIPprimalSetUpdateViolations(), and TRUE.
Referenced by checkCons().
disallow violation updates
scip | SCIP data structure |
Definition at line 305 of file scip_sol.c.
References FALSE, and SCIPprimalSetUpdateViolations().
Referenced by checkCons().
return whether a primal ray is stored that proves unboundedness of the LP relaxation
scip | SCIP data structure |
Definition at line 3486 of file scip_sol.c.
References FALSE, NULL, SCIP_CALL_ABORT, SCIPcheckStage(), and TRUE.
Referenced by setupAndSolve().
gets value of given variable in primal ray causing unboundedness of the LP relaxation; should only be called if such a ray is stored (check with SCIPhasPrimalRay())
scip | SCIP data structure |
var | variable to get value for |
Definition at line 3504 of file scip_sol.c.
References assert(), FALSE, NULL, SCIP_Var::scip, SCIP_CALL_ABORT, SCIPcheckStage(), SCIPsolGetRayVal(), TRUE, and var.
Referenced by setupAndSolve().
SCIP_RETCODE SCIPupdatePrimalRay | ( | SCIP * | scip, |
SCIP_SOL * | primalray ) |
updates the primal ray thats proves unboundedness
scip
is in one of the following stages:
See SCIP_STAGE for a complete list of all possible solving stages.
scip | SCIP data structure |
primalray | the new primal ray |
Definition at line 3531 of file scip_sol.c.
References assert(), FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIPcheckStage(), SCIPprimalUpdateRay(), and TRUE.
Referenced by setupAndSolve().