Dip
0.92.4
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#include <AP3_DecompApp.h>
Public Types | |
enum | ModelType { MODEL_I, MODEL_J, MODEL_K } |
Model types. More... | |
Public Member Functions | |
void | APPcreateModel (double *&objCoeff, map< int, DecompConstraintSet * > &modelCore, map< int, vector< DecompConstraintSet * > > &modelRelax) |
Create the application model(s). More... | |
DecompStatus | APPsolveRelaxed (const int whichModel, const double *redCostX, const double *origCost, const double alpha, const int n_origCols, const bool checkRC, const bool checkDup, OsiSolverInterface *m_subprobSI, list< DecompVar * > &vars) |
Solve the relaxed problem. More... | |
void | printOriginalColumn (const int index, ostream *os=&cout) const |
Print an original column. More... | |
Helper functions (public). | |
const double | getKnownOptimalBound () const |
Get optimal (or best known) objective. More... | |
const string | getInstanceName () const |
Get name of instance. More... | |
int | indexIJK (const int i, const int j, const int k) const |
Global index for column (i,j,k) in 3D case. More... | |
int | indexJIK (const int j, const int i, const int k) const |
Get optimal (or best known) objective. More... | |
int | indexKIJ (const int k, const int i, const int j) const |
Get optimal (or best known) objective. More... | |
void | index3Inv (const int index, int &ind1, int &ind2, int &ind3) const |
Global index for column (ind1, ind2, ind3) in 3D case. More... | |
int | index2 (const int ind1, const int ind2) const |
Global index for column (ind1, ind2) in 2D case. More... | |
pair< int, int > | index2Inv (const int index) const |
Return the indices (ind1, ind2) for 2D case. More... | |
const double | getOptBound () const |
Return the known optimal bound. More... | |
Constructor and Destructor | |
AP3_DecompApp (UtilParameters &utilParam) | |
Default constructor. More... | |
virtual | ~AP3_DecompApp () |
Default constructor. More... | |
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virtual void | initializeApp () |
Initialize applications. More... | |
void | createModels () |
Create model parts. More... | |
DecompConstraintSet * | createModelPart (const int nRowsPart, const int *rowsPart) |
void | createModelPart (DecompConstraintSet *model, const int nRowsPart, const int *rowsPart) |
void | createModelPartSparse (DecompConstraintSet *model, const int nRowsPart, const int *rowsPart) |
void | readInitSolutionFile (DecompVarList &initVars) |
void | readBlockFile () |
Read block file. More... | |
void | readProblem () |
Read Problem. More... | |
void | singlyBorderStructureDetection () |
Automatically detect singly bordered structure. More... | |
void | findActiveColumns (const std::vector< int > &rowsPart, std::set< int > &activeColsSet) |
Find the active columns for some block. More... | |
const std::string | getInstanceName () |
Get Intance name. More... | |
const CoinPackedMatrix * | getMatrix () |
Get constraint matrix for analysis. More... | |
void | setInfinity () |
Set the value of infinity. More... | |
DecompApp (UtilParameters &utilParam) | |
Constructor for base DecompApp class. More... | |
virtual | ~DecompApp () |
Destructor. More... | |
void | startupLog () |
Initialize the DecompApp data. More... | |
int | createModel () |
virtual void | APPcreateModel (double *&objCoeff, map< int, DecompConstraintSet * > &modelCore, map< int, DecompConstraintSet * > &modelRelax)=0 |
virtual bool | APPisUserFeasible (const double *x, const int n_cols, const double tolZero) |
virtual int | APPheuristics (const double *xhat, vector< DecompSolution * > &xhatIPFeas) |
virtual int | generateInitVars (DecompVarList &initVars, int whichModel) |
virtual int | generateCuts (const double *x, const DecompConstraintSet &modelCore, const DecompConstraintSet &modelRelax, DecompCutList &newCuts) |
virtual void | printOriginalSolution (const int n_cols, const double *solution, ostream *os=&cout) const |
DecompApp (UtilParameters &utilParam) | |
virtual | ~DecompApp () |
void | preprocess () |
Preprocess (standard ): on the TODO list. More... | |
void | startupLog () |
Print startup message to log. More... | |
int | createModel () |
Preprocess (standard ): on the TODO list. More... | |
const double | getBestKnownLB () const |
Preprocess (standard ): on the TODO list. More... | |
const double | getBestKnownUB () const |
Preprocess (standard ): on the TODO list. More... | |
void | setBestKnownLB (const double bestKnownLB) |
Preprocess (standard ): on the TODO list. More... | |
void | setBestKnownUB (const double bestKnownUB) |
Preprocess (standard ): on the TODO list. More... | |
void | setModelObjective (const double *objective, const int length) |
Set the model objective function. More... | |
void | setModelCore (DecompConstraintSet *model, const std::string modelName) |
Set the model core constraint matrix. More... | |
void | setModelRelax (DecompConstraintSet *model, const std::string modelName="", const int blockId=0) |
Set the model relaxed constraint matrix (for a particular block). More... | |
void | setModelRelaxNest (DecompConstraintSet *model, const std::string modelName, const int blockId=0) |
Set the model relaxed (nested) constraint matrix (for a particular block). More... | |
DecompAlgo * | getDecompAlgo () const |
Get a pointer to the base algorithm class. More... | |
virtual void | initDualVector (std::vector< double > &dualVector) |
Initialize the dual vector for PhaseII of PC. More... | |
virtual bool | APPisUserFeasible (const double *x, const int numCols, const double tolZero) |
Method to determine if the solution (x) is feasible to the original model. More... | |
virtual int | APPheuristics (const double *xhat, const double *origCost, std::vector< DecompSolution * > &xhatIPFeas) |
Initialize the dual vector for PhaseII of PC. More... | |
virtual const double * | getDualForGenerateVars (const double *dual) |
This function allows the user to return their own dual vector to be used in the generation of new variables (in the reduced-cost calculation). More... | |
virtual int | generateInitVars (DecompVarList &initVars) |
Initialize the dual vector for PhaseII of PC. More... | |
virtual int | generateCuts (const double *x, DecompCutList &newCuts) |
Initialize the dual vector for PhaseII of PC. More... | |
virtual void | solveRelaxedWhich (std::vector< int > &blocksToSolve, std::map< int, std::vector< double > > &userDualsByBlock) |
Initialize the dual vector for PhaseII of PC. More... | |
virtual DecompSolverStatus | solveRelaxed (const int whichBlock, const double *redCostX, const double target, DecompVarList &varList) |
Initialize the dual vector for PhaseII of PC. More... | |
virtual DecompSolverStatus | solveRelaxedNest (const int whichBlock, const double *redCostX, const double target, DecompVarList &varList) |
Initialize the dual vector for PhaseII of PC. More... | |
virtual void | printOriginalColumn (const int index, std::ostream *os=&std::cout) const |
Initialize the dual vector for PhaseII of PC. More... | |
virtual void | printOriginalSolution (const int n_cols, const std::vector< std::string > &colNames, const double *solution, std::ostream *os=&std::cout) const |
Initialize the dual vector for PhaseII of PC. More... | |
Protected Attributes | |
AP3_DecompParam | m_appParam |
Application specific parameters. More... | |
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std::ostream * | m_osLog |
Log file. More... | |
double | m_bestKnownLB |
The best known LB/UB for this application (if known, for debugging). More... | |
double | m_bestKnownUB |
ostream * | m_osLog |
Private Member Functions | |
Helper functions (private). | |
void | initializeApp (UtilParameters &utilParam) throw (CoinError) |
Guts of constructor. More... | |
void | createModelPart (const int modelType, int *rowInd, double *rowEls, DecompConstraintSet *modelCore, DecompConstraintSet *modelRelax) throw (CoinError) |
Create constraint system for one relaxation. More... | |
Copy Constructors | |
Disable the default copy constructors. | |
AP3_DecompApp (const AP3_DecompApp &) | |
AP3_DecompApp & | operator= (const AP3_DecompApp &) |
Private Attributes | |
const string | m_classTag |
Class id tag (for log / debugging). More... | |
AP3_Instance | m_ap3data |
AP3 problem instance data. More... | |
map< int, vector< int > > | m_intersection |
Helper data for fast cut separation. More... | |
OsiSolverInterface * | m_siAP |
Helper data for fast construction of relaxed problems. More... | |
double ** | m_assigncostMin |
int ** | m_assignindexMin |
Additional Inherited Members | |
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int | NumBlocks |
Number of Blocks defalut value 0 set by BlockNumInput parameter. More... | |
DecompParam | m_param |
Parameters. More... | |
UtilParameters * | m_utilParam |
const double * | m_objective |
Model data: objective function. More... | |
DecompModel | m_modelCore |
Model data: the core model (A'') More... | |
std::map< int, DecompModel > | m_modelRelax |
Model data: the relaxed model(s) (A') More... | |
std::map< int, std::vector < DecompModel > > | m_modelRelaxNest |
Model data: the relaxed (nested) model(s) (A') More... | |
DecompAlgo * | m_decompAlgo |
Pointer to the base algorithmic object. More... | |
CoinMpsIO | m_mpsIO |
MPS object for reading instances. More... | |
CoinLpIO | m_lpIO |
LP object for reading instances. More... | |
const CoinPackedMatrix * | m_matrix |
Original constraint matrix for the instance. More... | |
DecompConstraintSet * | m_modelC |
The model constraint systems used for different algos. More... | |
std::map< int, DecompConstraintSet * > | m_modelR |
std::map< int, std::vector< int > > | m_blocks |
Definition of blocks (by rows) More... | |
int | m_threadIndex |
serves as an index to track different DecompApp object during Concurrent process, where when m_threadIndex is 0, problem is solved by cutting plance from standalone solver, when it is greater than 0, it is solved by branch-and-price, More... | |
double | m_infinity |
The value of infinity. More... | |
DecompModel | m_model |
map< int, DecompConstraintSet * > | m_modelCore |
map< int, DecompConstraintSet * > | m_modelRelax |
A DecompApp for solving the 3-Indexed Assignment Problem (AP3).
Definition at line 34 of file AP3_DecompApp.h.
Model types.
Enumerator | |
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MODEL_I |
Relaxation is 2-D Assignment Problem over JxK. |
MODEL_J |
Relaxation is 2-D Assignment Problem over IxK. |
MODEL_K |
Relaxation is 2-D Assignment Problem over IxJ. |
Definition at line 58 of file AP3_DecompApp.h.
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inline |
Default constructor.
Takes an instance of UtilParameters
Definition at line 186 of file AP3_DecompApp.h.
References DecompApp::initializeApp().
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Default constructor.
Takes an instance of UtilParameters
Definition at line 198 of file AP3_DecompApp.h.
References m_ap3data, m_assigncostMin, m_assignindexMin, AP3_Instance::m_dimension, m_siAP, UTIL_DELARR, and UTIL_DELPTR.
void AP3_DecompApp::APPcreateModel | ( | double *& | objCoeff, |
map< int, DecompConstraintSet * > & | modelCore, | ||
map< int, vector< DecompConstraintSet * > > & | modelRelax | ||
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Create the application model(s).
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Solve the relaxed problem.
Reimplemented from DecompApp.
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Print an original column.
Reimplemented from DecompApp.
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Get optimal (or best known) objective.
Definition at line 99 of file AP3_DecompApp.h.
References m_ap3data, and AP3_Instance::m_optBound.
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Get name of instance.
Definition at line 104 of file AP3_DecompApp.h.
References m_ap3data, and AP3_Instance::m_instance.
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Global index for column (i,j,k) in 3D case.
Definition at line 109 of file AP3_DecompApp.h.
References m_ap3data, and AP3_Instance::m_dimension.
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Get optimal (or best known) objective.
Definition at line 115 of file AP3_DecompApp.h.
References m_ap3data, and AP3_Instance::m_dimension.
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inline |
Get optimal (or best known) objective.
Definition at line 121 of file AP3_DecompApp.h.
References m_ap3data, and AP3_Instance::m_dimension.
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inline |
Global index for column (ind1, ind2, ind3) in 3D case.
Definition at line 129 of file AP3_DecompApp.h.
References m_ap3data, and AP3_Instance::m_dimension.
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Global index for column (ind1, ind2) in 2D case.
Definition at line 143 of file AP3_DecompApp.h.
References m_ap3data, and AP3_Instance::m_dimension.
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Return the indices (ind1, ind2) for 2D case.
Definition at line 150 of file AP3_DecompApp.h.
References m_ap3data, and AP3_Instance::m_dimension.
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Return the known optimal bound.
Definition at line 156 of file AP3_DecompApp.h.
References m_ap3data, and AP3_Instance::m_optBound.
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private |
Guts of constructor.
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private |
Create constraint system for one relaxation.
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private |
Class id tag (for log / debugging).
Definition at line 37 of file AP3_DecompApp.h.
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AP3 problem instance data.
Definition at line 41 of file AP3_DecompApp.h.
Referenced by getInstanceName(), getKnownOptimalBound(), getOptBound(), index2(), index2Inv(), index3Inv(), indexIJK(), indexJIK(), indexKIJ(), and ~AP3_DecompApp().
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Helper data for fast cut separation.
Definition at line 45 of file AP3_DecompApp.h.
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Helper data for fast construction of relaxed problems.
Definition at line 48 of file AP3_DecompApp.h.
Referenced by ~AP3_DecompApp().
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Definition at line 49 of file AP3_DecompApp.h.
Referenced by ~AP3_DecompApp().
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private |
Definition at line 50 of file AP3_DecompApp.h.
Referenced by ~AP3_DecompApp().
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protected |
Application specific parameters.
Definition at line 54 of file AP3_DecompApp.h.