methods for storing primal CIP solutions
Definition in file sol.c.
#include <assert.h>
#include "scip/def.h"
#include "scip/set.h"
#include "scip/stat.h"
#include "scip/clock.h"
#include "scip/misc.h"
#include "scip/lp.h"
#include "scip/nlp.h"
#include "scip/relax.h"
#include "scip/var.h"
#include "scip/prob.h"
#include "scip/sol.h"
#include "scip/primal.h"
#include "scip/tree.h"
#include "scip/cons.h"
#include "scip/pub_message.h"
#include "scip/struct_sol.h"
Go to the source code of this file.
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clears solution arrays of primal CIP solution
sol | primal CIP solution |
Definition at line 49 of file sol.c.
References FALSE, SCIP_Sol::hasinfval, NULL, SCIP_CALL, SCIP_OKAY, SCIPboolarrayClear(), and SCIP_Sol::valid.
Referenced by SCIPsolClear(), SCIPsolLinkLPSol(), SCIPsolLinkNLPSol(), SCIPsolLinkPseudoSol(), SCIPsolLinkRelaxSol(), SCIPsolRetransform(), and SCIPsolSetUnknown().
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sets value of variable in the solution's array
sol | primal CIP solution |
set | global SCIP settings |
var | problem variable |
val | value to set variable to |
Definition at line 63 of file sol.c.
References SCIP_Sol::hasinfval, NULL, SCIP_CALL, SCIP_OKAY, SCIP_UNKNOWN, SCIPboolarraySetVal(), SCIPrealarraySetVal(), SCIPsetIsInfinity(), SCIPvarGetIndex(), SCIPvarMarkNotDeletable(), TRUE, SCIP_Sol::valid, and SCIP_Sol::vals.
Referenced by SCIPsolRetransform(), SCIPsolSetVal(), and solUnlinkVar().
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increases value of variable in the solution's array
sol | primal CIP solution |
set | global SCIP settings |
var | problem variable |
incval | increase of variable's solution value |
Definition at line 94 of file sol.c.
References SCIP_Sol::hasinfval, NULL, SCIP_CALL, SCIP_OKAY, SCIP_UNKNOWN, SCIPboolarrayGetVal(), SCIPboolarraySetVal(), SCIPrealarrayGetVal(), SCIPrealarrayIncVal(), SCIPrealarraySetVal(), SCIPsetIsInfinity(), SCIPvarGetIndex(), SCIPvarMarkNotDeletable(), TRUE, SCIP_Sol::valid, and SCIP_Sol::vals.
Referenced by SCIPsolIncVal().
returns the value of the variable in the given solution
sol | primal CIP solution |
var | problem variable |
Definition at line 135 of file sol.c.
References NULL, SCIP_SOLORIGIN_LPSOL, SCIP_SOLORIGIN_NLPSOL, SCIP_SOLORIGIN_ORIGINAL, SCIP_SOLORIGIN_PARTIAL, SCIP_SOLORIGIN_PSEUDOSOL, SCIP_SOLORIGIN_RELAXSOL, SCIP_SOLORIGIN_UNKNOWN, SCIP_SOLORIGIN_ZERO, SCIP_UNKNOWN, SCIPABORT, SCIPboolarrayGetVal(), SCIPerrorMessage, SCIPrealarrayGetVal(), SCIPvarGetIndex(), SCIPvarGetLPSol(), SCIPvarGetNLPSol(), SCIPvarGetPseudoSol(), SCIPvarGetRelaxSolTransVar(), SCIP_Sol::solorigin, SCIP_Sol::valid, and SCIP_Sol::vals.
Referenced by SCIPsolGetRayVal(), SCIPsolGetVal(), SCIPsolIncVal(), SCIPsolRound(), SCIPsolSetVal(), and SCIPsolUpdateVarObj().
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stores solution value of variable in solution's own array
sol | primal CIP solution |
set | global SCIP settings |
var | problem variable |
Definition at line 186 of file sol.c.
References NULL, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIP_Real, SCIP_SOLORIGIN_LPSOL, SCIP_SOLORIGIN_NLPSOL, SCIP_SOLORIGIN_ORIGINAL, SCIP_SOLORIGIN_PARTIAL, SCIP_SOLORIGIN_PSEUDOSOL, SCIP_SOLORIGIN_RELAXSOL, SCIP_SOLORIGIN_UNKNOWN, SCIP_SOLORIGIN_ZERO, SCIP_UNKNOWN, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_LOOSE, SCIPboolarrayGetVal(), SCIPerrorMessage, SCIPsetDebugMsg, SCIPvarGetIndex(), SCIPvarGetLPSol(), SCIPvarGetName(), SCIPvarGetNLPSol(), SCIPvarGetPseudoSol(), SCIPvarGetRelaxSolTransVar(), SCIPvarGetStatus(), SCIPvarIsTransformed(), SCIP_Sol::solorigin, solSetArrayVal(), and SCIP_Sol::valid.
Referenced by SCIPsolUnlink().
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sets the solution time, nodenum, runnum, and depth stamp to the current values
sol | primal CIP solution |
stat | problem statistics data |
tree | branch and bound tree, or NULL |
checktime | should the time be updated? |
Definition at line 248 of file sol.c.
References SCIP_Sol::depth, SCIP_Sol::lpcount, SCIP_Stat::lpcount, SCIP_Stat::nnodes, SCIP_Sol::nodenum, SCIP_Stat::nruns, NULL, SCIP_Sol::runnum, SCIPclockGetLastTime(), SCIPclockGetTime(), SCIPtreeGetCurrentDepth(), SCIP_Stat::solvingtime, and SCIP_Sol::time.
Referenced by SCIPsolClear(), SCIPsolCreate(), SCIPsolCreateOriginal(), SCIPsolCreatePartial(), SCIPsolCreateUnknown(), SCIPsolIncVal(), SCIPsolLinkLPSol(), SCIPsolLinkNLPSol(), SCIPsolLinkPseudoSol(), SCIPsolLinkRelaxSol(), SCIPsolSetUnknown(), and SCIPsolSetVal().
SCIP_RETCODE SCIPsolCreate | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_TREE * | tree, | ||
SCIP_HEUR * | heur | ||
) |
creates primal CIP solution, initialized to zero
sol | pointer to primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
primal | primal data |
tree | branch and bound tree |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 276 of file sol.c.
References BMSallocBlockMemory, FALSE, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_ZERO, SCIPboolarrayCreate(), SCIPprimalSolCreated(), SCIPrealarrayCreate(), SCIP_Stat::solindex, solStamp(), and TRUE.
Referenced by SCIPcreateSol(), SCIPprimalTransformSol(), SCIPsolCreateLPSol(), SCIPsolCreateNLPSol(), SCIPsolCreatePseudoSol(), SCIPsolCreateRelaxSol(), and updatePrimalRay().
SCIP_RETCODE SCIPsolCreateOriginal | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | origprob, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_TREE * | tree, | ||
SCIP_HEUR * | heur | ||
) |
creates primal CIP solution in original problem space, initialized to the offset in the original problem
sol | pointer to primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
origprob | original problem data |
primal | primal data |
tree | branch and bound tree |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 308 of file sol.c.
References BMSallocBlockMemory, FALSE, NULL, SCIP_Prob::objoffset, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_ORIGINAL, SCIPboolarrayCreate(), SCIPprimalSolCreated(), SCIPrealarrayCreate(), SCIP_Stat::solindex, solStamp(), and TRUE.
Referenced by SCIPcreateOrigSol(), and SCIPcreateSol().
SCIP_RETCODE SCIPsolCopy | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_SOL * | sourcesol | ||
) |
creates a copy of a primal CIP solution
sol | pointer to store the copy of the primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
primal | primal data |
sourcesol | primal CIP solution to copy |
Definition at line 341 of file sol.c.
References BMSallocBlockMemory, SCIP_Sol::depth, SCIP_Sol::hasinfval, SCIP_Sol::heur, SCIP_Sol::lpcount, SCIP_Sol::nodenum, NULL, SCIP_Sol::obj, SCIP_Sol::runnum, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPboolarrayCopy(), SCIPprimalSolCreated(), SCIPrealarrayCopy(), SCIP_Stat::solindex, SCIP_Sol::solorigin, SCIP_Sol::time, SCIP_Sol::valid, and SCIP_Sol::vals.
Referenced by SCIPcreateSolCopy(), SCIPcreateSolCopyOrig(), SCIPprimalAddOrigSol(), SCIPprimalAddSol(), SCIPprimalTrySol(), SCIPprimalUpdateRay(), SCIPreoptAddOptSol(), and soltreeAddSol().
SCIP_RETCODE SCIPsolTransform | ( | SCIP_SOL * | sol, |
SCIP_SOL ** | transsol, | ||
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_PRIMAL * | primal | ||
) |
transformes given original solution to the transformed space; a corresponding transformed solution has to be given which is copied into the existing solution and freed afterwards
sol | primal CIP solution to change, living in original space |
transsol | pointer to corresponding transformed primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
primal | primal data |
Definition at line 379 of file sol.c.
References NULL, SCIP_Sol::obj, SCIP_Sol::primalindex, SCIP_CALL, SCIP_OKAY, SCIPsolFree(), SCIPsolIsOriginal(), SCIP_Sol::solorigin, SCIP_Sol::valid, and SCIP_Sol::vals.
Referenced by primalAddSol().
SCIP_RETCODE SCIPsolAdjustImplicitSolVals | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_TREE * | tree, | ||
SCIP_Bool | uselprows | ||
) |
adjusts solution values of implicit integer variables in handed solution. Solution objective value is not deteriorated by this method.
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
prob | either original or transformed problem, depending on sol origin |
tree | branch and bound tree |
uselprows | should LP row information be considered for none-objective variables |
Definition at line 425 of file sol.c.
References FALSE, NULL, SCIP_Bool, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_VARSTATUS_COLUMN, SCIP_VARTYPE_IMPLINT, SCIPcolGetNNonz(), SCIPcolGetRows(), SCIPcolGetVals(), SCIPprobGetNBinVars(), SCIPprobGetNImplVars(), SCIPprobGetNIntVars(), SCIPprobGetVars(), SCIProwGetLhs(), SCIProwGetRhs(), SCIProwGetSolActivity(), SCIProwIsInLP(), SCIProwIsLocal(), SCIPsetCeil(), SCIPsetFloor(), SCIPsetIsFeasGE(), SCIPsetIsFeasGT(), SCIPsetIsFeasIntegral(), SCIPsetIsFeasLE(), SCIPsetIsFeasLT(), SCIPsetIsFeasNegative(), SCIPsetIsFeasPositive(), SCIPsetIsFeasZero(), SCIPsetIsInfinity(), SCIPsetIsNegative(), SCIPsetIsPositive(), SCIPsolGetVal(), SCIPsolSetVal(), SCIPvarGetCol(), SCIPvarGetLbGlobal(), SCIPvarGetNLocksDown(), SCIPvarGetNLocksUp(), SCIPvarGetObj(), SCIPvarGetStatus(), SCIPvarGetType(), SCIPvarGetUbGlobal(), and TRUE.
Referenced by SCIPadjustImplicitSolVals().
SCIP_RETCODE SCIPsolCreateLPSol | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_TREE * | tree, | ||
SCIP_LP * | lp, | ||
SCIP_HEUR * | heur | ||
) |
creates primal CIP solution, initialized to the current LP solution
sol | pointer to primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
prob | transformed problem data |
primal | primal data |
tree | branch and bound tree |
lp | current LP data |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 560 of file sol.c.
References NULL, SCIP_CALL, SCIP_OKAY, SCIPlpIsSolved(), SCIPsolCreate(), and SCIPsolLinkLPSol().
Referenced by addCurrentSolution(), SCIPcreateLPSol(), SCIPsolCreateCurrentSol(), SCIPsolveCIP(), and solveNodeLP().
SCIP_RETCODE SCIPsolCreateNLPSol | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_TREE * | tree, | ||
SCIP_NLP * | nlp, | ||
SCIP_HEUR * | heur | ||
) |
creates primal CIP solution, initialized to the current NLP solution
sol | pointer to primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
primal | primal data |
tree | branch and bound tree |
nlp | current NLP data |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 583 of file sol.c.
References NULL, SCIP_CALL, SCIP_OKAY, SCIPsolCreate(), and SCIPsolLinkNLPSol().
Referenced by SCIPcreateNLPSol().
SCIP_RETCODE SCIPsolCreateRelaxSol | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_TREE * | tree, | ||
SCIP_RELAXATION * | relaxation, | ||
SCIP_HEUR * | heur | ||
) |
creates primal CIP solution, initialized to the current relaxation solution
sol | pointer to primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
primal | primal data |
tree | branch and bound tree |
relaxation | global relaxation data |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 604 of file sol.c.
References NULL, SCIP_CALL, SCIP_OKAY, SCIPrelaxationIsSolValid(), SCIPsolCreate(), and SCIPsolLinkRelaxSol().
Referenced by SCIPcreateRelaxSol().
SCIP_RETCODE SCIPsolCreatePseudoSol | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_TREE * | tree, | ||
SCIP_LP * | lp, | ||
SCIP_HEUR * | heur | ||
) |
creates primal CIP solution, initialized to the current pseudo solution
sol | pointer to primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
prob | transformed problem data |
primal | primal data |
tree | branch and bound tree, or NULL |
lp | current LP data |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 626 of file sol.c.
References NULL, SCIP_CALL, SCIP_OKAY, SCIPsolCreate(), and SCIPsolLinkPseudoSol().
Referenced by addCurrentSolution(), SCIPcreatePseudoSol(), SCIPsolCreateCurrentSol(), and SCIPsolveCIP().
SCIP_RETCODE SCIPsolCreateCurrentSol | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_TREE * | tree, | ||
SCIP_LP * | lp, | ||
SCIP_HEUR * | heur | ||
) |
creates primal CIP solution, initialized to the current solution
sol | pointer to primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
prob | transformed problem data |
primal | primal data |
tree | branch and bound tree |
lp | current LP data |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 647 of file sol.c.
References NULL, SCIP_CALL, SCIP_OKAY, SCIPsolCreateLPSol(), SCIPsolCreatePseudoSol(), and SCIPtreeHasCurrentNodeLP().
Referenced by primalLinkCurrentSol(), SCIPcreateCurrentSol(), SCIPprintSol(), SCIPprintTransSol(), and solveNode().
SCIP_RETCODE SCIPsolCreatePartial | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_HEUR * | heur | ||
) |
creates partial primal CIP solution, initialized to unknown values
sol | pointer to primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
primal | primal data |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 674 of file sol.c.
References BMSallocBlockMemory, FALSE, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_PARTIAL, SCIP_UNKNOWN, SCIPboolarrayCreate(), SCIPprimalSolCreated(), SCIPrealarrayCreate(), SCIP_Stat::solindex, solStamp(), and TRUE.
Referenced by SCIPcreatePartialSol().
SCIP_RETCODE SCIPsolCreateUnknown | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PRIMAL * | primal, | ||
SCIP_TREE * | tree, | ||
SCIP_HEUR * | heur | ||
) |
creates primal CIP solution, initialized to unknown values
sol | pointer to primal CIP solution |
blkmem | block memory |
set | global SCIP settings |
stat | problem statistics data |
primal | primal data |
tree | branch and bound tree |
heur | heuristic that found the solution (or NULL if it's from the tree) |
Definition at line 707 of file sol.c.
References BMSallocBlockMemory, FALSE, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_UNKNOWN, SCIPboolarrayCreate(), SCIPprimalSolCreated(), SCIPrealarrayCreate(), SCIP_Stat::solindex, solStamp(), and TRUE.
Referenced by SCIPcreateUnknownSol(), and SCIPrelaxationCreate().
SCIP_RETCODE SCIPsolFree | ( | SCIP_SOL ** | sol, |
BMS_BLKMEM * | blkmem, | ||
SCIP_PRIMAL * | primal | ||
) |
frees primal CIP solution
sol | pointer to primal CIP solution |
blkmem | block memory |
primal | primal data |
Definition at line 739 of file sol.c.
References BMSfreeBlockMemory, NULL, SCIP_CALL, SCIP_OKAY, SCIPboolarrayFree(), SCIPprimalSolFreed(), and SCIPrealarrayFree().
Referenced by freeTransform(), primalAddOrigSol(), primalAddSol(), SCIPfreeSol(), SCIPprimalAddOrigSolFree(), SCIPprimalAddSolFree(), SCIPprimalClear(), SCIPprimalFree(), SCIPprimalTrySolFree(), SCIPprimalUpdateRay(), SCIPprintSol(), SCIPprintTransSol(), SCIPrelaxationFree(), SCIPreoptFree(), SCIPsolTransform(), SCIPsolveCIP(), SCIPtransformProb(), SCIPtrySolFree(), soltreefreeNode(), solveNodeLP(), and updatePrimalRay().
SCIP_RETCODE SCIPsolLinkLPSol | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_TREE * | tree, | ||
SCIP_LP * | lp | ||
) |
copies current LP solution into CIP solution by linking
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
prob | transformed problem data |
tree | branch and bound tree |
lp | current LP data |
Definition at line 758 of file sol.c.
References NULL, SCIP_Sol::obj, SCIP_Col::primsol, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_LPSOL, SCIPcolGetVar(), SCIPlpDiving(), SCIPlpDivingObjChanged(), SCIPlpGetCols(), SCIPlpGetLooseObjval(), SCIPlpGetNCols(), SCIPlpGetObjval(), SCIPsetDebugMsg, SCIPsetIsInfinity(), SCIPtreeProbing(), SCIPvarGetUnchangedObj(), solClearArrays(), SCIP_Sol::solorigin, solStamp(), SCIP_Lp::solved, and TRUE.
Referenced by SCIPlinkLPSol(), SCIPsolCreateLPSol(), and SCIPsolLinkCurrentSol().
SCIP_RETCODE SCIPsolLinkNLPSol | ( | SCIP_SOL * | sol, |
SCIP_STAT * | stat, | ||
SCIP_TREE * | tree, | ||
SCIP_NLP * | nlp | ||
) |
copies current NLP solution into CIP solution by linking
sol | primal CIP solution |
stat | problem statistics data |
tree | branch and bound tree |
nlp | current NLP data |
Definition at line 816 of file sol.c.
References NULL, SCIP_Sol::obj, SCIP_CALL, SCIP_NLPSOLSTAT_FEASIBLE, SCIP_OKAY, SCIP_SOLORIGIN_NLPSOL, SCIPnlpGetNVars(), SCIPnlpGetObjval(), SCIPnlpGetSolstat(), SCIPnlpGetVars(), SCIPnlpIsDivingObjChanged(), SCIPstatDebugMsg, SCIPvarGetNLPSol(), SCIPvarGetObj(), SCIPvarIsActive(), solClearArrays(), SCIP_Sol::solorigin, solStamp(), and TRUE.
Referenced by SCIPlinkNLPSol(), and SCIPsolCreateNLPSol().
SCIP_RETCODE SCIPsolLinkRelaxSol | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_TREE * | tree, | ||
SCIP_RELAXATION * | relaxation | ||
) |
copies current relaxation solution into CIP solution by linking
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
tree | branch and bound tree |
relaxation | global relaxation data |
Definition at line 867 of file sol.c.
References NULL, SCIP_Sol::obj, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_RELAXSOL, SCIPrelaxationGetSolObj(), SCIPrelaxationIsSolValid(), SCIPsetDebugMsg, solClearArrays(), SCIP_Sol::solorigin, solStamp(), and TRUE.
Referenced by SCIPlinkRelaxSol(), and SCIPsolCreateRelaxSol().
SCIP_RETCODE SCIPsolLinkPseudoSol | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_TREE * | tree, | ||
SCIP_LP * | lp | ||
) |
copies current pseudo solution into CIP solution by linking
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
prob | transformed problem data |
tree | branch and bound tree, or NULL |
lp | current LP data |
Definition at line 897 of file sol.c.
References NULL, SCIP_Sol::obj, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_PSEUDOSOL, SCIPlpGetPseudoObjval(), SCIPsetDebugMsg, solClearArrays(), SCIP_Sol::solorigin, solStamp(), and TRUE.
Referenced by SCIPlinkPseudoSol(), SCIPsolCreatePseudoSol(), and SCIPsolLinkCurrentSol().
SCIP_RETCODE SCIPsolLinkCurrentSol | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_TREE * | tree, | ||
SCIP_LP * | lp | ||
) |
copies current solution (LP or pseudo solution) into CIP solution by linking
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
prob | transformed problem data |
tree | branch and bound tree |
lp | current LP data |
Definition at line 926 of file sol.c.
References NULL, SCIP_CALL, SCIP_OKAY, SCIPlpIsSolved(), SCIPsetDebugMsg, SCIPsolLinkLPSol(), SCIPsolLinkPseudoSol(), and SCIPtreeHasCurrentNodeLP().
Referenced by primalLinkCurrentSol(), and SCIPlinkCurrentSol().
SCIP_RETCODE SCIPsolClear | ( | SCIP_SOL * | sol, |
SCIP_STAT * | stat, | ||
SCIP_TREE * | tree | ||
) |
clears primal CIP solution
sol | primal CIP solution |
stat | problem statistics data |
tree | branch and bound tree |
Definition at line 952 of file sol.c.
References NULL, SCIP_Sol::obj, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_ZERO, solClearArrays(), SCIP_Sol::solorigin, solStamp(), and TRUE.
Referenced by SCIPclearSol().
SCIP_RETCODE SCIPsolSetUnknown | ( | SCIP_SOL * | sol, |
SCIP_STAT * | stat, | ||
SCIP_TREE * | tree | ||
) |
declares all entries in the primal CIP solution to be unknown
sol | primal CIP solution |
stat | problem statistics data |
tree | branch and bound tree |
Definition at line 969 of file sol.c.
References NULL, SCIP_Sol::obj, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_UNKNOWN, solClearArrays(), SCIP_Sol::solorigin, solStamp(), and TRUE.
Referenced by solveNode().
SCIP_RETCODE SCIPsolUnlink | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_PROB * | prob | ||
) |
stores solution values of variables in solution's own array
sol | primal CIP solution |
set | global SCIP settings |
prob | transformed problem data |
Definition at line 986 of file sol.c.
References NULL, SCIP_Prob::nvars, SCIP_CALL, SCIP_OKAY, SCIP_SOLORIGIN_UNKNOWN, SCIP_SOLORIGIN_ZERO, SCIPsetDebugMsg, SCIPsolIsOriginal(), SCIP_Sol::solorigin, solUnlinkVar(), and SCIP_Prob::vars.
Referenced by primalAddSol(), SCIPaddSol(), SCIPaddSolFree(), SCIPtrySol(), SCIPtrySolFree(), and SCIPunlinkSol().
SCIP_RETCODE SCIPsolSetVal | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_TREE * | tree, | ||
SCIP_VAR * | var, | ||
SCIP_Real | val | ||
) |
sets value of variable in primal CIP solution
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
tree | branch and bound tree, or NULL |
var | variable to add to solution |
val | solution value of variable |
Definition at line 1015 of file sol.c.
References FALSE, SCIP_Stat::lpcount, SCIP_Stat::nnodes, SCIP_Sol::nodenum, SCIP_Stat::nruns, NULL, SCIP_Sol::runnum, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIP_Real, SCIP_SOLORIGIN_LPSOL, SCIP_SOLORIGIN_ORIGINAL, SCIP_SOLORIGIN_PARTIAL, SCIP_SOLORIGIN_UNKNOWN, SCIP_SOLORIGIN_ZERO, SCIP_UNKNOWN, SCIP_VARSTATUS_AGGREGATED, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_FIXED, SCIP_VARSTATUS_LOOSE, SCIP_VARSTATUS_MULTAGGR, SCIP_VARSTATUS_NEGATED, SCIP_VARSTATUS_ORIGINAL, SCIPboolarrayGetVal(), SCIPerrorMessage, SCIPisFinite, SCIPsetDebugMsg, SCIPsetInfinity(), SCIPsetIsEQ(), SCIPsetIsInfinity(), SCIPsetIsZero(), SCIPsolIsOriginal(), SCIPsolIsPartial(), SCIPsolSetVal(), SCIPvarGetAggrConstant(), SCIPvarGetAggrScalar(), SCIPvarGetAggrVar(), SCIPvarGetIndex(), SCIPvarGetLbGlobal(), SCIPvarGetMultaggrConstant(), SCIPvarGetMultaggrNVars(), SCIPvarGetMultaggrScalars(), SCIPvarGetMultaggrVars(), SCIPvarGetName(), SCIPvarGetNegationConstant(), SCIPvarGetNegationVar(), SCIPvarGetObj(), SCIPvarGetStatus(), SCIPvarGetTransVar(), SCIPvarGetUnchangedObj(), solGetArrayVal(), SCIP_Sol::solorigin, solSetArrayVal(), and solStamp().
Referenced by SCIPprimalTransformSol(), SCIPsetSolVal(), SCIPsetSolVals(), SCIPsolAdjustImplicitSolVals(), SCIPsolRound(), SCIPsolSetVal(), solveNodeRelax(), and updatePrimalRay().
SCIP_RETCODE SCIPsolIncVal | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_TREE * | tree, | ||
SCIP_VAR * | var, | ||
SCIP_Real | incval | ||
) |
increases value of variable in primal CIP solution
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
tree | branch and bound tree |
var | variable to increase solution value for |
incval | increment for solution value of variable |
Definition at line 1210 of file sol.c.
References FALSE, SCIP_Stat::lpcount, SCIP_Stat::nnodes, SCIP_Sol::nodenum, SCIP_Stat::nruns, NULL, SCIP_Sol::runnum, SCIP_CALL, SCIP_INVALIDDATA, SCIP_OKAY, SCIP_Real, SCIP_SOLORIGIN_LPSOL, SCIP_SOLORIGIN_ORIGINAL, SCIP_SOLORIGIN_ZERO, SCIP_VARSTATUS_AGGREGATED, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_FIXED, SCIP_VARSTATUS_LOOSE, SCIP_VARSTATUS_MULTAGGR, SCIP_VARSTATUS_NEGATED, SCIP_VARSTATUS_ORIGINAL, SCIPboolarrayGetVal(), SCIPerrorMessage, SCIPsetDebugMsg, SCIPsetIsInfinity(), SCIPsetIsZero(), SCIPsolIncVal(), SCIPsolIsOriginal(), SCIPvarGetAggrScalar(), SCIPvarGetAggrVar(), SCIPvarGetIndex(), SCIPvarGetName(), SCIPvarGetNegationVar(), SCIPvarGetObj(), SCIPvarGetStatus(), SCIPvarGetTransVar(), SCIPvarGetUnchangedObj(), solGetArrayVal(), solIncArrayVal(), SCIP_Sol::solorigin, and solStamp().
Referenced by SCIPincSolVal(), and SCIPsolIncVal().
returns value of variable in primal CIP solution
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
var | variable to get value for |
Definition at line 1286 of file sol.c.
References SCIP_Sol::lpcount, SCIP_Stat::lpcount, SCIP_Stat::nnodes, SCIP_Sol::nodenum, SCIP_Stat::nruns, NULL, SCIP_Sol::runnum, scalars, SCIP_INVALID, SCIP_OKAY, SCIP_Real, SCIP_SOLORIGIN_LPSOL, SCIP_SOLORIGIN_ORIGINAL, SCIP_SOLORIGIN_PARTIAL, SCIP_SOLORIGIN_UNKNOWN, SCIP_SOLORIGIN_ZERO, SCIP_UNKNOWN, SCIP_VARSTATUS_AGGREGATED, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_FIXED, SCIP_VARSTATUS_LOOSE, SCIP_VARSTATUS_MULTAGGR, SCIP_VARSTATUS_NEGATED, SCIP_VARSTATUS_ORIGINAL, SCIPABORT, SCIPboolarrayGetVal(), SCIPerrorMessage, SCIPsetInfinity(), SCIPsetIsInfinity(), SCIPsolGetVal(), SCIPsolIsOriginal(), SCIPvarGetAggrConstant(), SCIPvarGetAggrScalar(), SCIPvarGetAggrVar(), SCIPvarGetIndex(), SCIPvarGetLbGlobal(), SCIPvarGetLbLocal(), SCIPvarGetMultaggrConstant(), SCIPvarGetMultaggrNVars(), SCIPvarGetMultaggrScalars(), SCIPvarGetMultaggrVars(), SCIPvarGetNegationConstant(), SCIPvarGetNegationVar(), SCIPvarGetOrigvarSum(), SCIPvarGetStatus(), SCIPvarGetTransVar(), SCIPvarGetUbGlobal(), SCIPvarGetUbLocal(), SCIPvarIsTransformed(), solGetArrayVal(), SCIP_Sol::solorigin, and SCIP_Sol::valid.
Referenced by checkSolOrig(), cutsTransformMIRRow(), getMIRRowActivity(), SCIPgetSolVal(), SCIPgetSolVals(), SCIPnlrowGetSolActivity(), SCIPprimalTransformSol(), SCIProwGetSolActivity(), SCIPsolAdjustImplicitSolVals(), SCIPsolCheck(), SCIPsolGetVal(), SCIPsolMarkPartial(), SCIPsolPrint(), SCIPsolRecomputeObj(), SCIPsolRetransform(), SCIPsolsAreEqual(), SCIPsolUpdateVarsum(), SCIPvarGetClosestVlb(), SCIPvarGetClosestVub(), separateSolution(), soltreeAddSol(), and solveNode().
returns value of variable in primal ray represented by primal CIP solution
sol | primal CIP solution, representing a primal ray |
set | global SCIP settings |
stat | problem statistics data |
var | variable to get value for |
Definition at line 1411 of file sol.c.
References NULL, REALABS, scalars, SCIP_Real, SCIP_SOLORIGIN_ZERO, SCIP_UNKNOWN, SCIP_VARSTATUS_AGGREGATED, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_FIXED, SCIP_VARSTATUS_LOOSE, SCIP_VARSTATUS_MULTAGGR, SCIP_VARSTATUS_NEGATED, SCIP_VARSTATUS_ORIGINAL, SCIPABORT, SCIPerrorMessage, SCIPsetIsInfinity(), SCIPsolGetRayVal(), SCIPsolIsOriginal(), SCIPvarGetAggrScalar(), SCIPvarGetAggrVar(), SCIPvarGetLbGlobal(), SCIPvarGetLbLocal(), SCIPvarGetMultaggrNVars(), SCIPvarGetMultaggrScalars(), SCIPvarGetMultaggrVars(), SCIPvarGetNegationVar(), SCIPvarGetStatus(), SCIPvarGetTransVar(), SCIPvarGetUbGlobal(), SCIPvarGetUbLocal(), solGetArrayVal(), and SCIP_Sol::solorigin.
Referenced by SCIPgetPrimalRayVal(), SCIPsolGetRayVal(), and SCIPsolPrintRay().
SCIP_Real SCIPsolGetObj | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_PROB * | transprob, | ||
SCIP_PROB * | origprob | ||
) |
gets objective value of primal CIP solution in transformed problem
sol | primal CIP solution |
set | global SCIP settings |
transprob | tranformed problem data |
origprob | original problem data |
Definition at line 1480 of file sol.c.
References NULL, SCIP_Sol::obj, SCIPprobInternObjval(), and SCIPsolIsOriginal().
Referenced by primalAddSol(), primalExistsSol(), primalSearchSolPos(), printSolutionStatistics(), SCIPgetSolOrigObj(), SCIPgetSolTransObj(), SCIPprimalAddSol(), SCIPprimalUpdateObjoffset(), SCIPprimalUpperboundIsSol(), SCIPprintMIPStart(), SCIPprintSol(), SCIPprintTransSol(), SCIPsetRelaxSolValsSol(), SCIPsolsAreEqual(), SCIPsolveCIP(), SCIPtransformProb(), and solOfInterest().
updates primal solutions after a change in a variable's objective value
sol | primal CIP solution |
var | problem variable |
oldobj | old objective value |
newobj | new objective value |
Definition at line 1497 of file sol.c.
References NULL, SCIP_Sol::obj, SCIP_Real, SCIP_UNKNOWN, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_LOOSE, SCIPsolIsOriginal(), SCIPvarGetStatus(), and solGetArrayVal().
Referenced by SCIPprimalUpdateVarObj().
SCIP_RETCODE SCIPsolMarkPartial | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_VAR ** | vars, | ||
int | nvars | ||
) |
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics |
vars | problem variables |
nvars | number of problem variables |
Definition at line 1516 of file sol.c.
References FALSE, NULL, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_SOLORIGIN_ORIGINAL, SCIP_SOLORIGIN_PARTIAL, SCIP_UNKNOWN, SCIPboolarraySetVal(), SCIPrealarraySetVal(), SCIPsetAllocBufferArray, SCIPsetFreeBufferArray, SCIPsolGetVal(), SCIPvarGetIndex(), SCIPvarIsTransformed(), SCIPvarMarkNotDeletable(), SCIP_Sol::solorigin, TRUE, SCIP_Sol::valid, and SCIP_Sol::vals.
Referenced by readSolFile(), and readXmlSolFile().
SCIP_RETCODE SCIPsolCheck | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_MESSAGEHDLR * | messagehdlr, | ||
BMS_BLKMEM * | blkmem, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_Bool | printreason, | ||
SCIP_Bool | completely, | ||
SCIP_Bool | checkbounds, | ||
SCIP_Bool | checkintegrality, | ||
SCIP_Bool | checklprows, | ||
SCIP_Bool * | feasible | ||
) |
checks primal CIP solution for feasibility
sol | primal CIP solution |
set | global SCIP settings |
messagehdlr | message handler |
blkmem | block memory |
stat | problem statistics |
prob | transformed problem data |
printreason | Should all reasons of violations be printed? |
completely | Should all violations be checked? |
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 solution is feasible |
Definition at line 1581 of file sol.c.
References FALSE, SCIP_Sol::hasinfval, MAX, SCIP_Sol::nodenum, NULL, SCIP_Prob::nvars, SCIP_Sol::obj, SCIP_CALL, SCIP_FEASIBLE, SCIP_OKAY, SCIP_Real, SCIP_UNKNOWN, SCIPconshdlrCheck(), SCIPconshdlrGetName(), SCIPdebugPrintf, SCIPmessagePrintInfo(), SCIPsetDebugMsg, SCIPsetDebugMsgPrint, SCIPsetIsFeasGT(), SCIPsetIsFeasLT(), SCIPsetIsGE(), SCIPsetIsGT(), SCIPsetIsInfinity(), SCIPsetIsLE(), SCIPsetIsLT(), SCIPsolGetVal(), SCIPsolIsOriginal(), SCIPvarGetLbGlobal(), SCIPvarGetName(), SCIPvarGetObj(), SCIPvarGetUbGlobal(), SCIP_Sol::solorigin, TRUE, and SCIP_Prob::vars.
Referenced by primalAddSol(), SCIPcheckSol(), SCIPprimalTrySol(), SCIPprimalTrySolFree(), and solveNodeLP().
SCIP_RETCODE SCIPsolRound | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_TREE * | tree, | ||
SCIP_Bool * | success | ||
) |
try to round given solution
sol | primal solution |
set | global SCIP settings |
stat | problem statistics data |
prob | transformed problem data |
tree | branch and bound tree |
success | pointer to store whether rounding was successful |
Definition at line 1701 of file sol.c.
References SCIP_Sol::lpcount, SCIP_Stat::lpcount, SCIP_Prob::nbinvars, SCIP_Prob::nintvars, NULL, SCIP_Bool, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_SOLORIGIN_LPSOL, SCIP_UNKNOWN, SCIP_VARSTATUS_COLUMN, SCIP_VARSTATUS_LOOSE, SCIPboolarrayGetVal(), SCIPsetFeasCeil(), SCIPsetFeasFloor(), SCIPsetIsFeasIntegral(), SCIPsolIsOriginal(), SCIPsolSetVal(), SCIPvarGetIndex(), SCIPvarGetStatus(), SCIPvarGetUnchangedObj(), SCIPvarMayRoundDown(), SCIPvarMayRoundUp(), solGetArrayVal(), SCIP_Sol::solorigin, SCIP_Prob::transformed, SCIP_Sol::valid, and SCIP_Prob::vars.
Referenced by SCIProundSol().
void SCIPsolUpdateVarsum | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_Real | weight | ||
) |
updates the solution value sums in variables by adding the value in the given solution
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
prob | transformed problem data |
weight | weight of solution in weighted average |
Definition at line 1773 of file sol.c.
References NULL, SCIP_Prob::nvars, SCIP_Var::primsolavg, SCIP_Real, SCIP_UNKNOWN, SCIPsolGetVal(), SCIPsolIsOriginal(), and SCIP_Prob::vars.
Referenced by primalAddSol().
SCIP_RETCODE SCIPsolRetransform | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | origprob, | ||
SCIP_PROB * | transprob, | ||
SCIP_Bool * | hasinfval | ||
) |
retransforms solution to original problem space
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
origprob | original problem |
transprob | transformed problem |
hasinfval | pointer to store whether the solution has infinite values |
Definition at line 1801 of file sol.c.
References FALSE, NULL, SCIP_Prob::nvars, SCIP_Sol::obj, SCIP_Prob::objoffset, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIP_SOLORIGIN_ORIGINAL, SCIP_SOLORIGIN_ZERO, SCIP_UNKNOWN, SCIPsetAllocBufferArray, SCIPsetFreeBufferArray, SCIPsetInfinity(), SCIPsetIsInfinity(), SCIPsetIsZero(), SCIPsolGetVal(), SCIPvarGetActiveRepresentatives(), SCIPvarGetObj(), SCIPvarGetProbindex(), solClearArrays(), SCIP_Sol::solorigin, solSetArrayVal(), SCIP_Prob::transformed, TRUE, and SCIP_Prob::vars.
Referenced by freeTransform(), SCIPaddSol(), SCIPaddSolFree(), SCIPprimalRetransformSolutions(), SCIPretransformSol(), SCIPsolve(), SCIPtrySol(), and SCIPtrySolFree().
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)
sol | primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
origprob | original problem |
Definition at line 1926 of file sol.c.
References NULL, SCIP_Prob::nvars, SCIP_Sol::obj, SCIP_Real, SCIP_UNKNOWN, SCIPprobGetObjoffset(), SCIPsetInfinity(), SCIPsetIsInfinity(), SCIPsetIsZero(), SCIPsolGetVal(), SCIPsolIsOriginal(), SCIPvarGetUnchangedObj(), and SCIP_Prob::vars.
Referenced by SCIPrecomputeSolObj(), and SCIPtransformProb().
SCIP_Bool SCIPsolsAreEqual | ( | SCIP_SOL * | sol1, |
SCIP_SOL * | sol2, | ||
SCIP_SET * | set, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | origprob, | ||
SCIP_PROB * | transprob | ||
) |
returns whether the given solutions are equal
sol1 | first primal CIP solution |
sol2 | second primal CIP solution |
set | global SCIP settings |
stat | problem statistics data |
origprob | original problem |
transprob | transformed problem after presolve, or NULL if both solution are defined in the original problem space |
Definition at line 1961 of file sol.c.
References FALSE, NULL, SCIP_Prob::nvars, SCIP_Sol::obj, SCIP_Real, SCIPsetIsEQ(), SCIPsolGetObj(), SCIPsolGetVal(), SCIPsolIsOriginal(), TRUE, and SCIP_Prob::vars.
Referenced by primalExistsOrigSol(), primalExistsSol(), and SCIPareSolsEqual().
SCIP_RETCODE SCIPsolPrint | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_MESSAGEHDLR * | messagehdlr, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_PROB * | transprob, | ||
FILE * | file, | ||
SCIP_Bool | mipstart, | ||
SCIP_Bool | printzeros | ||
) |
outputs non-zero elements of solution to file stream
sol | primal CIP solution |
set | global SCIP settings |
messagehdlr | message handler |
stat | problem statistics data |
prob | problem data (original or transformed) |
transprob | transformed problem data or NULL (to display priced variables) |
file | output file (or NULL for standard output) |
mipstart | should only discrete variables be printed? |
printzeros | should variables set to zero be printed? |
Definition at line 2021 of file sol.c.
References SCIP_Prob::fixedvars, SCIP_Prob::nfixedvars, NULL, SCIP_Prob::nvars, SCIP_OKAY, SCIP_Real, SCIP_SOLORIGIN_PARTIAL, SCIP_UNKNOWN, SCIPmessageFPrintInfo(), SCIPsetIsInfinity(), SCIPsetIsZero(), SCIPsolGetVal(), SCIPsolIsOriginal(), SCIPsolIsPartial(), SCIPvarGetName(), SCIPvarGetUnchangedObj(), SCIPvarIsIntegral(), SCIPvarIsTransformedOrigvar(), SCIP_Sol::solorigin, SCIP_Prob::transformed, and SCIP_Prob::vars.
Referenced by primalAddSol(), SCIPprintMIPStart(), SCIPprintSol(), SCIPprintTransSol(), and SCIPsolve().
SCIP_RETCODE SCIPsolPrintRay | ( | SCIP_SOL * | sol, |
SCIP_SET * | set, | ||
SCIP_MESSAGEHDLR * | messagehdlr, | ||
SCIP_STAT * | stat, | ||
SCIP_PROB * | prob, | ||
SCIP_PROB * | transprob, | ||
FILE * | file, | ||
SCIP_Bool | printzeros | ||
) |
outputs non-zero elements of solution representing a ray to file stream
sol | primal CIP solution |
set | global SCIP settings |
messagehdlr | message handler |
stat | problem statistics data |
prob | problem data (original or transformed) |
transprob | transformed problem data or NULL (to display priced variables) |
file | output file (or NULL for standard output) |
printzeros | should variables set to zero be printed? |
Definition at line 2154 of file sol.c.
References SCIP_Prob::fixedvars, SCIP_Prob::nfixedvars, NULL, SCIP_Prob::nvars, SCIP_OKAY, SCIP_Real, SCIP_UNKNOWN, SCIPmessageFPrintInfo(), SCIPsetIsInfinity(), SCIPsetIsZero(), SCIPsolGetRayVal(), SCIPsolIsOriginal(), SCIPvarGetName(), SCIPvarGetUnchangedObj(), SCIPvarIsTransformedOrigvar(), SCIP_Prob::transformed, and SCIP_Prob::vars.
Referenced by SCIPprintRay().
adds value to the objective value of a given original primal CIP solution
sol | primal CIP solution |
addval | offset value to add |
Definition at line 2330 of file sol.c.
References NULL, SCIP_Sol::obj, SCIP_SOLORIGIN_ORIGINAL, and SCIP_Sol::solorigin.
Referenced by SCIPprimalAddOrigObjoffset().
int SCIPsolGetPrimalIndex | ( | SCIP_SOL * | sol | ) |
gets current position of solution in array of existing solutions of primal data
sol | primal CIP solution |
Definition at line 2392 of file sol.c.
References NULL, and SCIP_Sol::primalindex.
Referenced by SCIPprimalSolCreated(), and SCIPprimalSolFreed().
void SCIPsolSetPrimalIndex | ( | SCIP_SOL * | sol, |
int | primalindex | ||
) |
sets current position of solution in array of existing solutions of primal data
sol | primal CIP solution |
primalindex | new primal index of solution |
Definition at line 2402 of file sol.c.
References NULL, and SCIP_Sol::primalindex.
Referenced by SCIPprimalSolCreated(), and SCIPprimalSolFreed().