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ClpModel Class Reference

#include <ClpModel.hpp>

Inheritance diagram for ClpModel:

ClpInterior ClpSimplex ClpPredictorCorrector ClpSimplexDual ClpSimplexOther ClpSimplexPrimal ClpSimplexNonlinear List of all members.

Public Member Functions

const double * rowScale () const
 Scaling.
const double * columnScale () const
void setRowScale (double *scale)
void setColumnScale (double *scale)
double objectiveScale () const
 Scaling of objective.
void setObjectiveScale (double value)
double rhsScale () const
 Scaling of rhs and bounds.
void setRhsScale (double value)
void scaling (int mode=1)
 Sets or unsets scaling, 0 -off, 1 equilibrium, 2 geometric, 3, auto, 4 dynamic(later).
void unscale ()
 If we constructed a "really" scaled model then this reverses the operation.
int scalingFlag () const
 Gets scalingFlag.
double * objective () const
 Objective.
double * objective (const double *solution, double &offset, bool refresh=true) const
const double * getObjCoefficients () const
double * rowObjective () const
 Row Objective.
const double * getRowObjCoefficients () const
double * columnLower () const
 Column Lower.
const double * getColLower () const
double * columnUpper () const
 Column Upper.
const double * getColUpper () const
CoinPackedMatrix * matrix () const
 Matrix (if not ClpPackedmatrix be careful about memory leak.
int getNumElements () const
 Number of elements in matrix.
double getSmallElementValue () const
 Small element value - elements less than this set to zero, default is 1.0e-20.
void setSmallElementValue (double value)
ClpMatrixBaserowCopy () const
 Row Matrix.
ClpMatrixBaseclpMatrix () const
 Clp Matrix.
void replaceMatrix (ClpMatrixBase *matrix, bool deleteCurrent=false)
 Replace Clp Matrix (current is not deleted unless told to and new is used) So up to user to delete current.
void replaceMatrix (CoinPackedMatrix *matrix, bool deleteCurrent=false)
 Replace Clp Matrix (current is not deleted unless told to and new is used) So up to user to delete current.
double objectiveValue () const
 Objective value.
void setObjectiveValue (double value)
double getObjValue () const
char * integerInformation () const
 Integer information.
double * infeasibilityRay () const
 Infeasibility/unbounded ray (NULL returned if none/wrong) Up to user to use delete [] on these arrays.
double * unboundedRay () const
bool statusExists () const
 See if status (i.e. basis) array exists (partly for OsiClp).
unsigned char * statusArray () const
 Return address of status (i.e. basis) array (char[numberRows+numberColumns]).
unsigned char * statusCopy () const
 Return copy of status (i.e.
void copyinStatus (const unsigned char *statusArray)
 Copy in status (basis) vector.
void setUserPointer (void *pointer)
 User pointer for whatever reason.
void * getUserPointer () const
int whatsChanged () const
 What has changed in model (only for masochistic users).
void setWhatsChanged (int value)
int numberThreads () const
 Number of threads (not really being used).
void setNumberThreads (int value)
Constructors and destructor
Note - copy methods copy ALL data so can chew up memory until other copy is freed

 ClpModel ()
 Default constructor.
 ClpModel (const ClpModel &rhs, int scalingMode=-1)
 Copy constructor.
ClpModeloperator= (const ClpModel &rhs)
 Assignment operator. This copies the data.
 ClpModel (const ClpModel *wholeModel, int numberRows, const int *whichRows, int numberColumns, const int *whichColumns, bool dropNames=true, bool dropIntegers=true)
 Subproblem constructor.
 ~ClpModel ()
 Destructor.
Load model - loads some stuff and initializes others
void loadProblem (const ClpMatrixBase &matrix, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub, const double *rowObjective=NULL)
 Loads a problem (the constraints on the rows are given by lower and upper bounds).
void loadProblem (const CoinPackedMatrix &matrix, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub, const double *rowObjective=NULL)
 Loads a problem (the constraints on the rows are given by lower and upper bounds).
void loadProblem (const int numcols, const int numrows, const CoinBigIndex *start, const int *index, const double *value, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub, const double *rowObjective=NULL)
 Just like the other loadProblem() method except that the matrix is given in a standard column major ordered format (without gaps).
int loadProblem (CoinModel &modelObject, bool tryPlusMinusOne=false)
 This loads a model from a coinModel object - returns number of errors.
void loadProblem (const int numcols, const int numrows, const CoinBigIndex *start, const int *index, const double *value, const int *length, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub, const double *rowObjective=NULL)
 This one is for after presolve to save memory.
void loadQuadraticObjective (const int numberColumns, const CoinBigIndex *start, const int *column, const double *element)
 Load up quadratic objective.
void loadQuadraticObjective (const CoinPackedMatrix &matrix)
 Loads a problem (the constraints on the rows are given by lower and upper bounds).
void deleteQuadraticObjective ()
 Get rid of quadratic objective.
void setRowObjective (const double *rowObjective)
 This just loads up a row objective.
int readMps (const char *filename, bool keepNames=false, bool ignoreErrors=false)
 Read an mps file from the given filename.
int readGMPL (const char *filename, const char *dataName, bool keepNames=false)
 Read GMPL files from the given filenames.
void copyInIntegerInformation (const char *information)
 Copy in integer informations.
void deleteIntegerInformation ()
 Drop integer informations.
void setContinuous (int index)
 Set the index-th variable to be a continuous variable.
void setInteger (int index)
 Set the index-th variable to be an integer variable.
bool isInteger (int index) const
 Return true if the index-th variable is an integer variable.
void resize (int newNumberRows, int newNumberColumns)
 Resizes rim part of model.
void deleteRows (int number, const int *which)
 Deletes rows.
void addRow (int numberInRow, const int *columns, const double *elements, double rowLower=-COIN_DBL_MAX, double rowUpper=COIN_DBL_MAX)
 Add one row.
void addRows (int number, const double *rowLower, const double *rowUpper, const CoinBigIndex *rowStarts, const int *columns, const double *elements)
 Add rows.
void addRows (int number, const double *rowLower, const double *rowUpper, const CoinBigIndex *rowStarts, const int *rowLengths, const int *columns, const double *elements)
 Add rows.
void addRows (int number, const double *rowLower, const double *rowUpper, const CoinPackedVectorBase *const *rows)
 Loads a problem (the constraints on the rows are given by lower and upper bounds).
int addRows (const CoinBuild &buildObject, bool tryPlusMinusOne=false, bool checkDuplicates=true)
 Add rows from a build object.
int addRows (CoinModel &modelObject, bool tryPlusMinusOne=false, bool checkDuplicates=true)
 Add rows from a model object.
void deleteColumns (int number, const int *which)
 Deletes columns.
void addColumn (int numberInColumn, const int *rows, const double *elements, double columnLower=0.0, double columnUpper=COIN_DBL_MAX, double objective=0.0)
 Add one column.
void addColumns (int number, const double *columnLower, const double *columnUpper, const double *objective, const CoinBigIndex *columnStarts, const int *rows, const double *elements)
 Add columns.
void addColumns (int number, const double *columnLower, const double *columnUpper, const double *objective, const CoinBigIndex *columnStarts, const int *columnLengths, const int *rows, const double *elements)
 Loads a problem (the constraints on the rows are given by lower and upper bounds).
void addColumns (int number, const double *columnLower, const double *columnUpper, const double *objective, const CoinPackedVectorBase *const *columns)
 Loads a problem (the constraints on the rows are given by lower and upper bounds).
int addColumns (const CoinBuild &buildObject, bool tryPlusMinusOne=false, bool checkDuplicates=true)
 Add columns from a build object If tryPlusMinusOne then will try adding as +-1 matrix if no matrix exists.
int addColumns (CoinModel &modelObject, bool tryPlusMinusOne=false, bool checkDuplicates=true)
 Add columns from a model object.
void modifyCoefficient (int row, int column, double newElement, bool keepZero=false)
 Modify one element of a matrix.
void chgRowLower (const double *rowLower)
 Change row lower bounds.
void chgRowUpper (const double *rowUpper)
 Change row upper bounds.
void chgColumnLower (const double *columnLower)
 Change column lower bounds.
void chgColumnUpper (const double *columnUpper)
 Change column upper bounds.
void chgObjCoefficients (const double *objIn)
 Change objective coefficients.
void borrowModel (ClpModel &otherModel)
 Borrow model.
void returnModel (ClpModel &otherModel)
 Return model - nulls all arrays so can be deleted safely also updates any scalars.
void createEmptyMatrix ()
 Create empty ClpPackedMatrix.
void dropNames ()
 Drops names - makes lengthnames 0 and names empty.
void copyNames (std::vector< std::string > &rowNames, std::vector< std::string > &columnNames)
 Copies in names.
void copyRowNames (const std::vector< std::string > &rowNames, int first, int last)
 Copies in Row names - modifies names first .. last-1.
void copyColumnNames (const std::vector< std::string > &columnNames, int first, int last)
 Copies in Column names - modifies names first .. last-1.
void copyRowNames (const char *const *rowNames, int first, int last)
 Copies in Row names - modifies names first .. last-1.
void copyColumnNames (const char *const *columnNames, int first, int last)
 Copies in Column names - modifies names first .. last-1.
void setRowName (int rowIndex, std::string &name)
 Set name of row.
void setColumnName (int colIndex, std::string &name)
 Set name of col.
int writeMps (const char *filename, int formatType=0, int numberAcross=2, double objSense=0.0) const
 Write the problem in MPS format to the specified file.
gets and sets
int numberRows () const
 Number of rows.
int getNumRows () const
 Number of rows.
int getNumCols () const
 Number of columns.
int numberColumns () const
 Number of rows.
double primalTolerance () const
 Primal tolerance to use.
void setPrimalTolerance (double value)
 Number of rows.
double dualTolerance () const
 Dual tolerance to use.
void setDualTolerance (double value)
 Number of rows.
double primalObjectiveLimit () const
 Primal objective limit.
void setPrimalObjectiveLimit (double value)
 Number of rows.
double dualObjectiveLimit () const
 Dual objective limit.
void setDualObjectiveLimit (double value)
 Number of rows.
double objectiveOffset () const
 Objective offset.
void setObjectiveOffset (double value)
 Number of rows.
std::string problemName () const
 Number of rows.
int numberIterations () const
 Number of iterations.
int getIterationCount () const
 Number of rows.
void setNumberIterations (int numberIterations)
 Number of rows.
int solveType () const
 Solve type - 1 simplex, 2 simplex interface, 3 Interior.
void setSolveType (int type)
 Number of rows.
int maximumIterations () const
 Maximum number of iterations.
void setMaximumIterations (int value)
 Number of rows.
double maximumSeconds () const
 Maximum time in seconds (from when set called).
void setMaximumSeconds (double value)
 Number of rows.
bool hitMaximumIterations () const
 Returns true if hit maximum iterations (or time).
int status () const
 Status of problem: -1 - unknown e.g.
int problemStatus () const
 Number of rows.
void setProblemStatus (int problemStatus)
 Set problem status.
int secondaryStatus () const
 Secondary status of problem - may get extended 0 - none 1 - primal infeasible because dual limit reached OR probably primal infeasible but can't prove it (main status 4) 2 - scaled problem optimal - unscaled problem has primal infeasibilities 3 - scaled problem optimal - unscaled problem has dual infeasibilities 4 - scaled problem optimal - unscaled problem has primal and dual infeasibilities 5 - giving up in primal with flagged variables 6 - failed due to empty problem check 7 - postSolve says not optimal 100 up - translation of enum from ClpEventHandler.
void setSecondaryStatus (int status)
 Number of rows.
bool isAbandoned () const
 Are there a numerical difficulties?
bool isProvenOptimal () const
 Is optimality proven?
bool isProvenPrimalInfeasible () const
 Is primal infeasiblity proven?
bool isProvenDualInfeasible () const
 Is dual infeasiblity proven?
bool isPrimalObjectiveLimitReached () const
 Is the given primal objective limit reached?
bool isDualObjectiveLimitReached () const
 Is the given dual objective limit reached?
bool isIterationLimitReached () const
 Iteration limit reached?
double optimizationDirection () const
 Direction of optimization (1 - minimize, -1 - maximize, 0 - ignore.
double getObjSense () const
 Number of rows.
void setOptimizationDirection (double value)
 Number of rows.
double * primalRowSolution () const
 Primal row solution.
const double * getRowActivity () const
 Number of rows.
double * primalColumnSolution () const
 Primal column solution.
const double * getColSolution () const
 Number of rows.
void setColSolution (const double *input)
 Number of rows.
double * dualRowSolution () const
 Dual row solution.
const double * getRowPrice () const
 Number of rows.
double * dualColumnSolution () const
 Reduced costs.
const double * getReducedCost () const
 Number of rows.
double * rowLower () const
 Row lower.
const double * getRowLower () const
 Number of rows.
double * rowUpper () const
 Row upper.
const double * getRowUpper () const
 Number of rows.
Changing bounds on variables and constraints
void setObjectiveCoefficient (int elementIndex, double elementValue)
 Set an objective function coefficient.
void setObjCoeff (int elementIndex, double elementValue)
 Set an objective function coefficient.
void setColumnLower (int elementIndex, double elementValue)
 Set a single column lower bound
Use -DBL_MAX for -infinity.
void setColumnUpper (int elementIndex, double elementValue)
 Set a single column upper bound
Use DBL_MAX for infinity.
void setColumnBounds (int elementIndex, double lower, double upper)
 Set a single column lower and upper bound.
void setColumnSetBounds (const int *indexFirst, const int *indexLast, const double *boundList)
 Set the bounds on a number of columns simultaneously
The default implementation just invokes setColLower() and setColUpper() over and over again.
void setColLower (int elementIndex, double elementValue)
 Set a single column lower bound
Use -DBL_MAX for -infinity.
void setColUpper (int elementIndex, double elementValue)
 Set a single column upper bound
Use DBL_MAX for infinity.
void setColBounds (int elementIndex, double lower, double upper)
 Set a single column lower and upper bound.
void setColSetBounds (const int *indexFirst, const int *indexLast, const double *boundList)
 Set the bounds on a number of columns simultaneously
.
void setRowLower (int elementIndex, double elementValue)
 Set a single row lower bound
Use -DBL_MAX for -infinity.
void setRowUpper (int elementIndex, double elementValue)
 Set a single row upper bound
Use DBL_MAX for infinity.
void setRowBounds (int elementIndex, double lower, double upper)
 Set a single row lower and upper bound.
void setRowSetBounds (const int *indexFirst, const int *indexLast, const double *boundList)
 Set the bounds on a number of rows simultaneously
.
Message handling
void passInMessageHandler (CoinMessageHandler *handler)
 Pass in Message handler (not deleted at end).
CoinMessageHandler * pushMessageHandler (CoinMessageHandler *handler, bool &oldDefault)
 Pass in Message handler (not deleted at end) and return current.
void popMessageHandler (CoinMessageHandler *oldHandler, bool oldDefault)
 back to previous message handler
void newLanguage (CoinMessages::Language language)
 Set language.
void setLanguage (CoinMessages::Language language)
 Pass in Message handler (not deleted at end).
CoinMessageHandler * messageHandler () const
 Return handler.
CoinMessages messages () const
 Return messages.
CoinMessages * messagesPointer ()
 Return pointer to messages.
CoinMessages coinMessages () const
 Return Coin messages.
CoinMessages * coinMessagesPointer ()
 Return pointer to Coin messages.
void setLogLevel (int value)
 Amount of print out: 0 - none 1 - just final 2 - just factorizations 3 - as 2 plus a bit more 4 - verbose above that 8,16,32 etc just for selective debug.
int logLevel () const
 Pass in Message handler (not deleted at end).
void passInEventHandler (const ClpEventHandler *eventHandler)
 Pass in Event handler (cloned and deleted at end).
ClpEventHandlereventHandler () const
 Event handler.
int lengthNames () const
 length of names (0 means no names0
void setLengthNames (int value)
 length of names (0 means no names0
const std::vector< std::string > * rowNames () const
 Row names.
const std::string & rowName (int iRow) const
 Pass in Message handler (not deleted at end).
std::string getRowName (int iRow) const
 Return name or Rnnnnnnn.
const std::vector< std::string > * columnNames () const
 Column names.
const std::string & columnName (int iColumn) const
 Pass in Message handler (not deleted at end).
std::string getColumnName (int iColumn) const
 Return name or Cnnnnnnn.
ClpObjectiveobjectiveAsObject () const
 Objective methods.
void setObjective (ClpObjective *objective)
 Pass in Message handler (not deleted at end).
void setObjectivePointer (ClpObjective *objective)
 Pass in Message handler (not deleted at end).
int emptyProblem (int *infeasNumber=NULL, double *infeasSum=NULL, bool printMessage=true)
 Solve a problem with no elements - return status and dual and primal infeasibilites.
Matrix times vector methods
They can be faster if scalar is +- 1 These are covers so user need not worry about scaling Also for simplex I am not using basic/non-basic split

void times (double scalar, const double *x, double *y) const
 Return y + A * x * scalar in y.
void transposeTimes (double scalar, const double *x, double *y) const
 Return y + x * scalar * A in y.
Parameter set/get methods
The set methods return true if the parameter was set to the given value, false otherwise.

There can be various reasons for failure: the given parameter is not applicable for the solver (e.g., refactorization frequency for the volume algorithm), the parameter is not yet implemented for the solver or simply the value of the parameter is out of the range the solver accepts. If a parameter setting call returns false check the details of your solver.

The get methods return true if the given parameter is applicable for the solver and is implemented. In this case the value of the parameter is returned in the second argument. Otherwise they return false.

once it has been decided where solver sits this may be redone

bool setIntParam (ClpIntParam key, int value)
 Set an integer parameter.
bool setDblParam (ClpDblParam key, double value)
 Set an double parameter.
bool setStrParam (ClpStrParam key, const std::string &value)
 Set an string parameter.
bool getIntParam (ClpIntParam key, int &value) const
 Set an integer parameter.
bool getDblParam (ClpDblParam key, double &value) const
 Set an integer parameter.
bool getStrParam (ClpStrParam key, std::string &value) const
 Set an integer parameter.
void generateCpp (FILE *fp)
 Create C++ lines to get to current state.

Protected Member Functions

private or protected methods
void gutsOfDelete ()
 Does most of deletion.
void gutsOfCopy (const ClpModel &rhs, bool trueCopy=true)
 Does most of copying If trueCopy false then just points to arrays.
void getRowBound (int iRow, double &lower, double &upper) const
 gets lower and upper bounds on rows
void gutsOfLoadModel (int numberRows, int numberColumns, const double *collb, const double *colub, const double *obj, const double *rowlb, const double *rowub, const double *rowObjective=NULL)
 puts in format I like - 4 array matrix - may make row copy
void gutsOfScaling ()
 Does much of scaling.
double rawObjectiveValue () const
 Objective value - always minimize.
const char *const *const rowNamesAsChar () const
 Create row names as char **.
const char *const *const columnNamesAsChar () const
 Create column names as char **.
void deleteNamesAsChar (const char *const *const names, int number) const
 Delete char * version of names.

Protected Attributes

data
double optimizationDirection_
 Direction of optimization (1 - minimize, -1 - maximize, 0 - ignore.
double dblParam_ [ClpLastDblParam]
 Array of double parameters.
double objectiveValue_
 Objective value.
double smallElement_
 Small element value.
double objectiveScale_
 Scaling of objective.
double rhsScale_
 Scaling of rhs and bounds.
int numberRows_
 Number of rows.
int numberColumns_
 Number of columns.
double * rowActivity_
 Row activities.
double * columnActivity_
 Column activities.
double * dual_
 Duals.
double * reducedCost_
 Reduced costs.
double * rowLower_
 Row lower.
double * rowUpper_
 Row upper.
ClpObjectiveobjective_
 Objective.
double * rowObjective_
 Row Objective (? sign) - may be NULL.
double * columnLower_
 Column Lower.
double * columnUpper_
 Column Upper.
ClpMatrixBasematrix_
 Packed matrix.
ClpMatrixBaserowCopy_
 Row copy if wanted.
double * ray_
 Infeasible/unbounded ray.
double * rowScale_
 Row scale factors for matrix.
double * columnScale_
 Column scale factors.
int scalingFlag_
 Scale flag, 0 none, 1 equilibrium, 2 geometric, 3, auto, 4 dynamic.
unsigned char * status_
 Status (i.e.
char * integerType_
 Integer information.
void * userPointer_
 User pointer for whatever reason.
int intParam_ [ClpLastIntParam]
 Array of integer parameters.
int numberIterations_
 Number of iterations.
int solveType_
 Solve type - 1 simplex, 2 simplex interface, 3 Interior.
unsigned int whatsChanged_
 Whats changed since last solve.
int problemStatus_
 Status of problem.
int secondaryStatus_
 Secondary status of problem.
int lengthNames_
 length of names (0 means no names)
int numberThreads_
 Number of threads (not very operational).
CoinMessageHandler * handler_
 Message handler.
bool defaultHandler_
 Flag to say if default handler (so delete).
ClpEventHandlereventHandler_
 Event handler.
std::vector< std::string > rowNames_
 Row names.
std::vector< std::string > columnNames_
 Column names.
CoinMessages messages_
 Messages.
CoinMessages coinMessages_
 Coin messages.
std::string strParam_ [ClpLastStrParam]
 Array of string parameters.

Constructor & Destructor Documentation

ClpModel::ClpModel  ) 
 

Default constructor.

ClpModel::ClpModel const ClpModel rhs,
int  scalingMode = -1
 

Copy constructor.

May scale depending on mode -1 leave mode as is 0 -off, 1 equilibrium, 2 geometric, 3, auto, 4 dynamic(later)

ClpModel::ClpModel const ClpModel wholeModel,
int  numberRows,
const int *  whichRows,
int  numberColumns,
const int *  whichColumns,
bool  dropNames = true,
bool  dropIntegers = true
 

Subproblem constructor.

A subset of whole model is created from the row and column lists given. The new order is given by list order and duplicates are allowed. Name and integer information can be dropped

ClpModel::~ClpModel  ) 
 

Destructor.


Member Function Documentation

ClpModel& ClpModel::operator= const ClpModel rhs  ) 
 

Assignment operator. This copies the data.

void ClpModel::loadProblem const ClpMatrixBase matrix,
const double *  collb,
const double *  colub,
const double *  obj,
const double *  rowlb,
const double *  rowub,
const double *  rowObjective = NULL
 

Loads a problem (the constraints on the rows are given by lower and upper bounds).

If a pointer is 0 then the following values are the default:

  • colub: all columns have upper bound infinity
  • collb: all columns have lower bound 0
  • rowub: all rows have upper bound infinity
  • rowlb: all rows have lower bound -infinity
  • obj: all variables have 0 objective coefficient

Reimplemented in ClpInterior, and ClpSimplex.

void ClpModel::loadProblem const CoinPackedMatrix &  matrix,
const double *  collb,
const double *  colub,
const double *  obj,
const double *  rowlb,
const double *  rowub,
const double *  rowObjective = NULL
 

Loads a problem (the constraints on the rows are given by lower and upper bounds).

If a pointer is 0 then the following values are the default:

  • colub: all columns have upper bound infinity
  • collb: all columns have lower bound 0
  • rowub: all rows have upper bound infinity
  • rowlb: all rows have lower bound -infinity
  • obj: all variables have 0 objective coefficient

Reimplemented in ClpInterior, and ClpSimplex.

void ClpModel::loadProblem const int  numcols,
const int  numrows,
const CoinBigIndex *  start,
const int *  index,
const double *  value,
const double *  collb,
const double *  colub,
const double *  obj,
const double *  rowlb,
const double *  rowub,
const double *  rowObjective = NULL
 

Just like the other loadProblem() method except that the matrix is given in a standard column major ordered format (without gaps).

Reimplemented in ClpInterior, and ClpSimplex.

int ClpModel::loadProblem CoinModel &  modelObject,
bool  tryPlusMinusOne = false
 

This loads a model from a coinModel object - returns number of errors.

modelObject not const as may be changed as part of process If tryPlusMinusOne then will try adding as +-1 matrix

Reimplemented in ClpSimplex.

void ClpModel::loadProblem const int  numcols,
const int  numrows,
const CoinBigIndex *  start,
const int *  index,
const double *  value,
const int *  length,
const double *  collb,
const double *  colub,
const double *  obj,
const double *  rowlb,
const double *  rowub,
const double *  rowObjective = NULL
 

This one is for after presolve to save memory.

Reimplemented in ClpInterior, and ClpSimplex.

void ClpModel::loadQuadraticObjective const int  numberColumns,
const CoinBigIndex *  start,
const int *  column,
const double *  element
 

Load up quadratic objective.

This is stored as a CoinPackedMatrix

void ClpModel::loadQuadraticObjective const CoinPackedMatrix &  matrix  ) 
 

Loads a problem (the constraints on the rows are given by lower and upper bounds).

If a pointer is 0 then the following values are the default:

  • colub: all columns have upper bound infinity
  • collb: all columns have lower bound 0
  • rowub: all rows have upper bound infinity
  • rowlb: all rows have lower bound -infinity
  • obj: all variables have 0 objective coefficient

void ClpModel::deleteQuadraticObjective  ) 
 

Get rid of quadratic objective.

void ClpModel::setRowObjective const double *  rowObjective  ) 
 

This just loads up a row objective.

int ClpModel::readMps const char *  filename,
bool  keepNames = false,
bool  ignoreErrors = false
 

Read an mps file from the given filename.

Reimplemented in ClpInterior, and ClpSimplex.

int ClpModel::readGMPL const char *  filename,
const char *  dataName,
bool  keepNames = false
 

Read GMPL files from the given filenames.

Reimplemented in ClpSimplex.

void ClpModel::copyInIntegerInformation const char *  information  ) 
 

Copy in integer informations.

void ClpModel::deleteIntegerInformation  ) 
 

Drop integer informations.

void ClpModel::setContinuous int  index  ) 
 

Set the index-th variable to be a continuous variable.

void ClpModel::setInteger int  index  ) 
 

Set the index-th variable to be an integer variable.

bool ClpModel::isInteger int  index  )  const
 

Return true if the index-th variable is an integer variable.

void ClpModel::resize int  newNumberRows,
int  newNumberColumns
 

Resizes rim part of model.

void ClpModel::deleteRows int  number,
const int *  which
 

Deletes rows.

void ClpModel::addRow int  numberInRow,
const int *  columns,
const double *  elements,
double  rowLower = -COIN_DBL_MAX,
double  rowUpper = COIN_DBL_MAX
 

Add one row.

void ClpModel::addRows int  number,
const double *  rowLower,
const double *  rowUpper,
const CoinBigIndex *  rowStarts,
const int *  columns,
const double *  elements
 

Add rows.

void ClpModel::addRows int  number,
const double *  rowLower,
const double *  rowUpper,
const CoinBigIndex *  rowStarts,
const int *  rowLengths,
const int *  columns,
const double *  elements
 

Add rows.

void ClpModel::addRows int  number,
const double *  rowLower,
const double *  rowUpper,
const CoinPackedVectorBase *const *  rows
 

Loads a problem (the constraints on the rows are given by lower and upper bounds).

If a pointer is 0 then the following values are the default:

  • colub: all columns have upper bound infinity
  • collb: all columns have lower bound 0
  • rowub: all rows have upper bound infinity
  • rowlb: all rows have lower bound -infinity
  • obj: all variables have 0 objective coefficient

int ClpModel::addRows const CoinBuild &  buildObject,
bool  tryPlusMinusOne = false,
bool  checkDuplicates = true
 

Add rows from a build object.

If tryPlusMinusOne then will try adding as +-1 matrix if no matrix exists. Returns number of errors e.g. duplicates

int ClpModel::addRows CoinModel &  modelObject,
bool  tryPlusMinusOne = false,
bool  checkDuplicates = true
 

Add rows from a model object.

returns -1 if object in bad state (i.e. has column information) otherwise number of errors.

modelObject non const as can be regularized as part of build If tryPlusMinusOne then will try adding as +-1 matrix if no matrix exists.

void ClpModel::deleteColumns int  number,
const int *  which
 

Deletes columns.

void ClpModel::addColumn int  numberInColumn,
const int *  rows,
const double *  elements,
double  columnLower = 0.0,
double  columnUpper = COIN_DBL_MAX,
double  objective = 0.0
 

Add one column.

void ClpModel::addColumns int  number,
const double *  columnLower,
const double *  columnUpper,
const double *  objective,
const CoinBigIndex *  columnStarts,
const int *  rows,
const double *  elements
 

Add columns.

void ClpModel::addColumns int  number,
const double *  columnLower,
const double *  columnUpper,
const double *  objective,
const CoinBigIndex *  columnStarts,
const int *  columnLengths,
const int *  rows,
const double *  elements
 

Loads a problem (the constraints on the rows are given by lower and upper bounds).

If a pointer is 0 then the following values are the default:

  • colub: all columns have upper bound infinity
  • collb: all columns have lower bound 0
  • rowub: all rows have upper bound infinity
  • rowlb: all rows have lower bound -infinity
  • obj: all variables have 0 objective coefficient

void ClpModel::addColumns int  number,
const double *  columnLower,
const double *  columnUpper,
const double *  objective,
const CoinPackedVectorBase *const *  columns
 

Loads a problem (the constraints on the rows are given by lower and upper bounds).

If a pointer is 0 then the following values are the default:

  • colub: all columns have upper bound infinity
  • collb: all columns have lower bound 0
  • rowub: all rows have upper bound infinity
  • rowlb: all rows have lower bound -infinity
  • obj: all variables have 0 objective coefficient

int ClpModel::addColumns const CoinBuild &  buildObject,
bool  tryPlusMinusOne = false,
bool  checkDuplicates = true
 

Add columns from a build object If tryPlusMinusOne then will try adding as +-1 matrix if no matrix exists.

Returns number of errors e.g. duplicates

int ClpModel::addColumns CoinModel &  modelObject,
bool  tryPlusMinusOne = false,
bool  checkDuplicates = true
 

Add columns from a model object.

returns -1 if object in bad state (i.e. has row information) otherwise number of errors modelObject non const as can be regularized as part of build If tryPlusMinusOne then will try adding as +-1 matrix if no matrix exists.

void ClpModel::modifyCoefficient int  row,
int  column,
double  newElement,
bool  keepZero = false
[inline]
 

Modify one element of a matrix.

Definition at line 226 of file ClpModel.hpp.

void ClpModel::chgRowLower const double *  rowLower  ) 
 

Change row lower bounds.

void ClpModel::chgRowUpper const double *  rowUpper  ) 
 

Change row upper bounds.

void ClpModel::chgColumnLower const double *  columnLower  ) 
 

Change column lower bounds.

void ClpModel::chgColumnUpper const double *  columnUpper  ) 
 

Change column upper bounds.

void ClpModel::chgObjCoefficients const double *  objIn  ) 
 

Change objective coefficients.

void ClpModel::borrowModel ClpModel otherModel  ) 
 

Borrow model.

This is so we don't have to copy large amounts of data around. It assumes a derived class wants to overwrite an empty model with a real one - while it does an algorithm

Reimplemented in ClpInterior, and ClpSimplex.

void ClpModel::returnModel ClpModel otherModel  ) 
 

Return model - nulls all arrays so can be deleted safely also updates any scalars.

Reimplemented in ClpInterior.

void ClpModel::createEmptyMatrix  ) 
 

Create empty ClpPackedMatrix.

void ClpModel::dropNames  ) 
 

Drops names - makes lengthnames 0 and names empty.

void ClpModel::copyNames std::vector< std::string > &  rowNames,
std::vector< std::string > &  columnNames
 

Copies in names.

void ClpModel::copyRowNames const std::vector< std::string > &  rowNames,
int  first,
int  last
 

Copies in Row names - modifies names first .. last-1.

void ClpModel::copyColumnNames const std::vector< std::string > &  columnNames,
int  first,
int  last
 

Copies in Column names - modifies names first .. last-1.

void ClpModel::copyRowNames const char *const *  rowNames,
int  first,
int  last
 

Copies in Row names - modifies names first .. last-1.

void ClpModel::copyColumnNames const char *const *  columnNames,
int  first,
int  last
 

Copies in Column names - modifies names first .. last-1.

void ClpModel::setRowName int  rowIndex,
std::string &  name
 

Set name of row.

void ClpModel::setColumnName int  colIndex,
std::string &  name
 

Set name of col.

int ClpModel::writeMps const char *  filename,
int  formatType = 0,
int  numberAcross = 2,
double  objSense = 0.0
const
 

Write the problem in MPS format to the specified file.

Row and column names may be null. formatType is

  • 0 - normal
  • 1 - extra accuracy
  • 2 - IEEE hex (later)

Returns non-zero on I/O error

int ClpModel::numberRows  )  const [inline]
 

Number of rows.

Definition at line 288 of file ClpModel.hpp.

int ClpModel::getNumRows  )  const [inline]
 

Number of rows.

Definition at line 291 of file ClpModel.hpp.

int ClpModel::getNumCols  )  const [inline]
 

Number of columns.

Definition at line 295 of file ClpModel.hpp.

int ClpModel::numberColumns  )  const [inline]
 

Number of rows.

Definition at line 298 of file ClpModel.hpp.

double ClpModel::primalTolerance  )  const [inline]
 

Primal tolerance to use.

Definition at line 302 of file ClpModel.hpp.

void ClpModel::setPrimalTolerance double  value  ) 
 

Number of rows.

double ClpModel::dualTolerance  )  const [inline]
 

Dual tolerance to use.

Definition at line 307 of file ClpModel.hpp.

void ClpModel::setDualTolerance double  value  ) 
 

Number of rows.

double ClpModel::primalObjectiveLimit  )  const [inline]
 

Primal objective limit.

Definition at line 310 of file ClpModel.hpp.

void ClpModel::setPrimalObjectiveLimit double  value  ) 
 

Number of rows.

double ClpModel::dualObjectiveLimit  )  const [inline]
 

Dual objective limit.

Definition at line 313 of file ClpModel.hpp.

void ClpModel::setDualObjectiveLimit double  value  ) 
 

Number of rows.

double ClpModel::objectiveOffset  )  const [inline]
 

Objective offset.

Definition at line 316 of file ClpModel.hpp.

void ClpModel::setObjectiveOffset double  value  ) 
 

Number of rows.

std::string ClpModel::problemName  )  const [inline]
 

Number of rows.

Definition at line 319 of file ClpModel.hpp.

int ClpModel::numberIterations  )  const [inline]
 

Number of iterations.

Definition at line 322 of file ClpModel.hpp.

int ClpModel::getIterationCount  )  const [inline]
 

Number of rows.

Definition at line 323 of file ClpModel.hpp.

void ClpModel::setNumberIterations int  numberIterations  )  [inline]
 

Number of rows.

Definition at line 324 of file ClpModel.hpp.

int ClpModel::solveType  )  const [inline]
 

Solve type - 1 simplex, 2 simplex interface, 3 Interior.

Definition at line 327 of file ClpModel.hpp.

void ClpModel::setSolveType int  type  )  [inline]
 

Number of rows.

Definition at line 329 of file ClpModel.hpp.

int ClpModel::maximumIterations  )  const [inline]
 

Maximum number of iterations.

Definition at line 332 of file ClpModel.hpp.

void ClpModel::setMaximumIterations int  value  ) 
 

Number of rows.

double ClpModel::maximumSeconds  )  const [inline]
 

Maximum time in seconds (from when set called).

Definition at line 335 of file ClpModel.hpp.

void ClpModel::setMaximumSeconds double  value  ) 
 

Number of rows.

bool ClpModel::hitMaximumIterations  )  const
 

Returns true if hit maximum iterations (or time).

int ClpModel::status  )  const [inline]
 

Status of problem: -1 - unknown e.g.

before solve or if postSolve says not optimal 0 - optimal 1 - primal infeasible 2 - dual infeasible 3 - stopped on iterations or time 4 - stopped due to errors 5 - stopped by event handler (virtual int ClpEventHandler::event())

Definition at line 348 of file ClpModel.hpp.

int ClpModel::problemStatus  )  const [inline]
 

Number of rows.

Definition at line 349 of file ClpModel.hpp.

void ClpModel::setProblemStatus int  problemStatus  )  [inline]
 

Set problem status.

Definition at line 351 of file ClpModel.hpp.

int ClpModel::secondaryStatus  )  const [inline]
 

Secondary status of problem - may get extended 0 - none 1 - primal infeasible because dual limit reached OR probably primal infeasible but can't prove it (main status 4) 2 - scaled problem optimal - unscaled problem has primal infeasibilities 3 - scaled problem optimal - unscaled problem has dual infeasibilities 4 - scaled problem optimal - unscaled problem has primal and dual infeasibilities 5 - giving up in primal with flagged variables 6 - failed due to empty problem check 7 - postSolve says not optimal 100 up - translation of enum from ClpEventHandler.

Definition at line 365 of file ClpModel.hpp.

void ClpModel::setSecondaryStatus int  status  )  [inline]
 

Number of rows.

Definition at line 366 of file ClpModel.hpp.

bool ClpModel::isAbandoned  )  const [inline]
 

Are there a numerical difficulties?

Definition at line 369 of file ClpModel.hpp.

bool ClpModel::isProvenOptimal  )  const [inline]
 

Is optimality proven?

Definition at line 371 of file ClpModel.hpp.

bool ClpModel::isProvenPrimalInfeasible  )  const [inline]
 

Is primal infeasiblity proven?

Definition at line 373 of file ClpModel.hpp.

bool ClpModel::isProvenDualInfeasible  )  const [inline]
 

Is dual infeasiblity proven?

Definition at line 375 of file ClpModel.hpp.

bool ClpModel::isPrimalObjectiveLimitReached  )  const
 

Is the given primal objective limit reached?

bool ClpModel::isDualObjectiveLimitReached  )  const
 

Is the given dual objective limit reached?

bool ClpModel::isIterationLimitReached  )  const [inline]
 

Iteration limit reached?

Definition at line 381 of file ClpModel.hpp.

double ClpModel::optimizationDirection  )  const [inline]
 

Direction of optimization (1 - minimize, -1 - maximize, 0 - ignore.

Definition at line 383 of file ClpModel.hpp.

double ClpModel::getObjSense  )  const [inline]
 

Number of rows.

Definition at line 386 of file ClpModel.hpp.

void ClpModel::setOptimizationDirection double  value  ) 
 

Number of rows.

double* ClpModel::primalRowSolution  )  const [inline]
 

Primal row solution.

Definition at line 389 of file ClpModel.hpp.

const double* ClpModel::getRowActivity  )  const [inline]
 

Number of rows.

Definition at line 390 of file ClpModel.hpp.

double* ClpModel::primalColumnSolution  )  const [inline]
 

Primal column solution.

Definition at line 392 of file ClpModel.hpp.

const double* ClpModel::getColSolution  )  const [inline]
 

Number of rows.

Definition at line 393 of file ClpModel.hpp.

void ClpModel::setColSolution const double *  input  )  [inline]
 

Number of rows.

Definition at line 394 of file ClpModel.hpp.

double* ClpModel::dualRowSolution  )  const [inline]
 

Dual row solution.

Definition at line 397 of file ClpModel.hpp.

const double* ClpModel::getRowPrice  )  const [inline]
 

Number of rows.

Definition at line 398 of file ClpModel.hpp.

double* ClpModel::dualColumnSolution  )  const [inline]
 

Reduced costs.

Definition at line 400 of file ClpModel.hpp.

const double* ClpModel::getReducedCost  )  const [inline]
 

Number of rows.

Definition at line 401 of file ClpModel.hpp.

double* ClpModel::rowLower  )  const [inline]
 

Row lower.

Definition at line 403 of file ClpModel.hpp.

const double* ClpModel::getRowLower  )  const [inline]
 

Number of rows.

Definition at line 404 of file ClpModel.hpp.

double* ClpModel::rowUpper  )  const [inline]
 

Row upper.

Definition at line 406 of file ClpModel.hpp.

const double* ClpModel::getRowUpper  )  const [inline]
 

Number of rows.

Definition at line 407 of file ClpModel.hpp.

void ClpModel::setObjectiveCoefficient int  elementIndex,
double  elementValue
 

Set an objective function coefficient.

Reimplemented in ClpSimplex.

void ClpModel::setObjCoeff int  elementIndex,
double  elementValue
[inline]
 

Set an objective function coefficient.

Reimplemented in ClpSimplex.

Definition at line 414 of file ClpModel.hpp.

void ClpModel::setColumnLower int  elementIndex,
double  elementValue
 

Set a single column lower bound
Use -DBL_MAX for -infinity.

Reimplemented in ClpSimplex.

void ClpModel::setColumnUpper int  elementIndex,
double  elementValue
 

Set a single column upper bound
Use DBL_MAX for infinity.

Reimplemented in ClpSimplex.

void ClpModel::setColumnBounds int  elementIndex,
double  lower,
double  upper
 

Set a single column lower and upper bound.

Reimplemented in ClpSimplex.

void ClpModel::setColumnSetBounds const int *  indexFirst,
const int *  indexLast,
const double *  boundList
 

Set the bounds on a number of columns simultaneously
The default implementation just invokes setColLower() and setColUpper() over and over again.

Parameters:
indexFirst,indexLast pointers to the beginning and after the end of the array of the indices of the variables whose either bound changes
boundList the new lower/upper bound pairs for the variables

Reimplemented in ClpSimplex.

void ClpModel::setColLower int  elementIndex,
double  elementValue
[inline]
 

Set a single column lower bound
Use -DBL_MAX for -infinity.

Reimplemented in ClpSimplex.

Definition at line 443 of file ClpModel.hpp.

void ClpModel::setColUpper int  elementIndex,
double  elementValue
[inline]
 

Set a single column upper bound
Use DBL_MAX for infinity.

Reimplemented in ClpSimplex.

Definition at line 447 of file ClpModel.hpp.

void ClpModel::setColBounds int  elementIndex,
double  lower,
double  upper
[inline]
 

Set a single column lower and upper bound.

Reimplemented in ClpSimplex.

Definition at line 451 of file ClpModel.hpp.

void ClpModel::setColSetBounds const int *  indexFirst,
const int *  indexLast,
const double *  boundList
[inline]
 

Set the bounds on a number of columns simultaneously
.

Parameters:
indexFirst,indexLast pointers to the beginning and after the end of the array of the indices of the variables whose either bound changes
boundList the new lower/upper bound pairs for the variables

Reimplemented in ClpSimplex.

Definition at line 461 of file ClpModel.hpp.

void ClpModel::setRowLower int  elementIndex,
double  elementValue
 

Set a single row lower bound
Use -DBL_MAX for -infinity.

Reimplemented in ClpSimplex.

void ClpModel::setRowUpper int  elementIndex,
double  elementValue
 

Set a single row upper bound
Use DBL_MAX for infinity.

Reimplemented in ClpSimplex.

void ClpModel::setRowBounds int  elementIndex,
double  lower,
double  upper
 

Set a single row lower and upper bound.

Reimplemented in ClpSimplex.

void ClpModel::setRowSetBounds const int *  indexFirst,
const int *  indexLast,
const double *  boundList
 

Set the bounds on a number of rows simultaneously
.

Parameters:
indexFirst,indexLast pointers to the beginning and after the end of the array of the indices of the constraints whose either bound changes
boundList the new lower/upper bound pairs for the constraints

Reimplemented in ClpSimplex.

const double* ClpModel::rowScale  )  const [inline]
 

Scaling.

Definition at line 490 of file ClpModel.hpp.

const double* ClpModel::columnScale  )  const [inline]
 

Definition at line 491 of file ClpModel.hpp.

void ClpModel::setRowScale double *  scale  )  [inline]
 

Definition at line 492 of file ClpModel.hpp.

void ClpModel::setColumnScale double *  scale  )  [inline]
 

Definition at line 493 of file ClpModel.hpp.

double ClpModel::objectiveScale  )  const [inline]
 

Scaling of objective.

Definition at line 495 of file ClpModel.hpp.

void ClpModel::setObjectiveScale double  value  )  [inline]
 

Definition at line 497 of file ClpModel.hpp.

double ClpModel::rhsScale  )  const [inline]
 

Scaling of rhs and bounds.

Definition at line 500 of file ClpModel.hpp.

void ClpModel::setRhsScale double  value  )  [inline]
 

Definition at line 502 of file ClpModel.hpp.

void ClpModel::scaling int  mode = 1  ) 
 

Sets or unsets scaling, 0 -off, 1 equilibrium, 2 geometric, 3, auto, 4 dynamic(later).

void ClpModel::unscale  ) 
 

If we constructed a "really" scaled model then this reverses the operation.

Quantities may not be exactly as they were before due to rounding errors

int ClpModel::scalingFlag  )  const [inline]
 

Gets scalingFlag.

Definition at line 510 of file ClpModel.hpp.

double* ClpModel::objective  )  const [inline]
 

Objective.

Definition at line 512 of file ClpModel.hpp.

double* ClpModel::objective const double *  solution,
double &  offset,
bool  refresh = true
const [inline]
 

Definition at line 521 of file ClpModel.hpp.

const double* ClpModel::getObjCoefficients  )  const [inline]
 

Definition at line 530 of file ClpModel.hpp.

double* ClpModel::rowObjective  )  const [inline]
 

Row Objective.

Definition at line 540 of file ClpModel.hpp.

const double* ClpModel::getRowObjCoefficients  )  const [inline]
 

Definition at line 541 of file ClpModel.hpp.

double* ClpModel::columnLower  )  const [inline]
 

Column Lower.

Definition at line 545 of file ClpModel.hpp.

const double* ClpModel::getColLower  )  const [inline]
 

Definition at line 546 of file ClpModel.hpp.

double* ClpModel::columnUpper  )  const [inline]
 

Column Upper.

Definition at line 548 of file ClpModel.hpp.

const double* ClpModel::getColUpper  )  const [inline]
 

Definition at line 549 of file ClpModel.hpp.

CoinPackedMatrix* ClpModel::matrix  )  const [inline]
 

Matrix (if not ClpPackedmatrix be careful about memory leak.

Definition at line 551 of file ClpModel.hpp.

int ClpModel::getNumElements  )  const [inline]
 

Number of elements in matrix.

Definition at line 556 of file ClpModel.hpp.

double ClpModel::getSmallElementValue  )  const [inline]
 

Small element value - elements less than this set to zero, default is 1.0e-20.

Definition at line 560 of file ClpModel.hpp.

void ClpModel::setSmallElementValue double  value  )  [inline]
 

Definition at line 562 of file ClpModel.hpp.

ClpMatrixBase* ClpModel::rowCopy  )  const [inline]
 

Row Matrix.

Definition at line 565 of file ClpModel.hpp.

ClpMatrixBase* ClpModel::clpMatrix  )  const [inline]
 

Clp Matrix.

Definition at line 567 of file ClpModel.hpp.

void ClpModel::replaceMatrix ClpMatrixBase matrix,
bool  deleteCurrent = false
 

Replace Clp Matrix (current is not deleted unless told to and new is used) So up to user to delete current.

This was used where matrices were being rotated. ClpModel takes ownership.

void ClpModel::replaceMatrix CoinPackedMatrix *  matrix,
bool  deleteCurrent = false
[inline]
 

Replace Clp Matrix (current is not deleted unless told to and new is used) So up to user to delete current.

This was used where matrices were being rotated. This version changes CoinPackedMatrix to ClpPackedMatrix. ClpModel takes ownership.

Definition at line 579 of file ClpModel.hpp.

double ClpModel::objectiveValue  )  const [inline]
 

Objective value.

Definition at line 583 of file ClpModel.hpp.

void ClpModel::setObjectiveValue double  value  )  [inline]
 

Definition at line 586 of file ClpModel.hpp.

double ClpModel::getObjValue  )  const [inline]
 

Definition at line 589 of file ClpModel.hpp.

char* ClpModel::integerInformation  )  const [inline]
 

Integer information.

Definition at line 593 of file ClpModel.hpp.

double* ClpModel::infeasibilityRay  )  const
 

Infeasibility/unbounded ray (NULL returned if none/wrong) Up to user to use delete [] on these arrays.

double* ClpModel::unboundedRay  )  const
 

bool ClpModel::statusExists  )  const [inline]
 

See if status (i.e. basis) array exists (partly for OsiClp).

Definition at line 599 of file ClpModel.hpp.

unsigned char* ClpModel::statusArray  )  const [inline]
 

Return address of status (i.e. basis) array (char[numberRows+numberColumns]).

Definition at line 602 of file ClpModel.hpp.

unsigned char* ClpModel::statusCopy  )  const
 

Return copy of status (i.e.

basis) array (char[numberRows+numberColumns]), use delete []

void ClpModel::copyinStatus const unsigned char *  statusArray  ) 
 

Copy in status (basis) vector.

void ClpModel::setUserPointer void *  pointer  )  [inline]
 

User pointer for whatever reason.

Definition at line 611 of file ClpModel.hpp.

void* ClpModel::getUserPointer  )  const [inline]
 

Definition at line 613 of file ClpModel.hpp.

int ClpModel::whatsChanged  )  const [inline]
 

What has changed in model (only for masochistic users).

Definition at line 616 of file ClpModel.hpp.

void ClpModel::setWhatsChanged int  value  )  [inline]
 

Definition at line 618 of file ClpModel.hpp.

int ClpModel::numberThreads  )  const [inline]
 

Number of threads (not really being used).

Definition at line 621 of file ClpModel.hpp.

void ClpModel::setNumberThreads int  value  )  [inline]
 

Definition at line 623 of file ClpModel.hpp.

void ClpModel::passInMessageHandler CoinMessageHandler *  handler  ) 
 

Pass in Message handler (not deleted at end).

CoinMessageHandler* ClpModel::pushMessageHandler CoinMessageHandler *  handler,
bool &  oldDefault
 

Pass in Message handler (not deleted at end) and return current.

void ClpModel::popMessageHandler CoinMessageHandler *  oldHandler,
bool  oldDefault
 

back to previous message handler

void ClpModel::newLanguage CoinMessages::Language  language  ) 
 

Set language.

void ClpModel::setLanguage CoinMessages::Language  language  )  [inline]
 

Pass in Message handler (not deleted at end).

Definition at line 637 of file ClpModel.hpp.

CoinMessageHandler* ClpModel::messageHandler  )  const [inline]
 

Return handler.

Definition at line 639 of file ClpModel.hpp.

CoinMessages ClpModel::messages  )  const [inline]
 

Return messages.

Definition at line 641 of file ClpModel.hpp.

CoinMessages* ClpModel::messagesPointer  )  [inline]
 

Return pointer to messages.

Definition at line 643 of file ClpModel.hpp.

CoinMessages ClpModel::coinMessages  )  const [inline]
 

Return Coin messages.

Definition at line 645 of file ClpModel.hpp.

CoinMessages* ClpModel::coinMessagesPointer  )  [inline]
 

Return pointer to Coin messages.

Definition at line 647 of file ClpModel.hpp.

void ClpModel::setLogLevel int  value  )  [inline]
 

Amount of print out: 0 - none 1 - just final 2 - just factorizations 3 - as 2 plus a bit more 4 - verbose above that 8,16,32 etc just for selective debug.

Definition at line 656 of file ClpModel.hpp.

int ClpModel::logLevel  )  const [inline]
 

Pass in Message handler (not deleted at end).

Definition at line 657 of file ClpModel.hpp.

void ClpModel::passInEventHandler const ClpEventHandler eventHandler  ) 
 

Pass in Event handler (cloned and deleted at end).

Reimplemented in ClpSimplex.

ClpEventHandler* ClpModel::eventHandler  )  const [inline]
 

Event handler.

Definition at line 661 of file ClpModel.hpp.

int ClpModel::lengthNames  )  const [inline]
 

length of names (0 means no names0

Definition at line 664 of file ClpModel.hpp.

void ClpModel::setLengthNames int  value  )  [inline]
 

length of names (0 means no names0

Definition at line 667 of file ClpModel.hpp.

const std::vector<std::string>* ClpModel::rowNames  )  const [inline]
 

Row names.

Definition at line 669 of file ClpModel.hpp.

const std::string& ClpModel::rowName int  iRow  )  const [inline]
 

Pass in Message handler (not deleted at end).

Definition at line 672 of file ClpModel.hpp.

std::string ClpModel::getRowName int  iRow  )  const
 

Return name or Rnnnnnnn.

const std::vector<std::string>* ClpModel::columnNames  )  const [inline]
 

Column names.

Definition at line 678 of file ClpModel.hpp.

const std::string& ClpModel::columnName int  iColumn  )  const [inline]
 

Pass in Message handler (not deleted at end).

Definition at line 681 of file ClpModel.hpp.

std::string ClpModel::getColumnName int  iColumn  )  const
 

Return name or Cnnnnnnn.

ClpObjective* ClpModel::objectiveAsObject  )  const [inline]
 

Objective methods.

Definition at line 688 of file ClpModel.hpp.

void ClpModel::setObjective ClpObjective objective  ) 
 

Pass in Message handler (not deleted at end).

void ClpModel::setObjectivePointer ClpObjective objective  )  [inline]
 

Pass in Message handler (not deleted at end).

Definition at line 691 of file ClpModel.hpp.

int ClpModel::emptyProblem int *  infeasNumber = NULL,
double *  infeasSum = NULL,
bool  printMessage = true
 

Solve a problem with no elements - return status and dual and primal infeasibilites.

void ClpModel::times double  scalar,
const double *  x,
double *  y
const
 

Return y + A * x * scalar in y.

Precondition:
x must be of size numColumns()

y must be of size numRows()

void ClpModel::transposeTimes double  scalar,
const double *  x,
double *  y
const
 

Return y + x * scalar * A in y.

Precondition:
x must be of size numRows()

y must be of size numColumns()

bool ClpModel::setIntParam ClpIntParam  key,
int  value
 

Set an integer parameter.

bool ClpModel::setDblParam ClpDblParam  key,
double  value
 

Set an double parameter.

bool ClpModel::setStrParam ClpStrParam  key,
const std::string &  value
 

Set an string parameter.

bool ClpModel::getIntParam ClpIntParam  key,
int &  value
const [inline]
 

Set an integer parameter.

Definition at line 744 of file ClpModel.hpp.

bool ClpModel::getDblParam ClpDblParam  key,
double &  value
const [inline]
 

Set an integer parameter.

Definition at line 753 of file ClpModel.hpp.

bool ClpModel::getStrParam ClpStrParam  key,
std::string &  value
const [inline]
 

Set an integer parameter.

Definition at line 763 of file ClpModel.hpp.

void ClpModel::generateCpp FILE *  fp  ) 
 

Create C++ lines to get to current state.

void ClpModel::gutsOfDelete  )  [protected]
 

Does most of deletion.

Reimplemented in ClpInterior.

void ClpModel::gutsOfCopy const ClpModel rhs,
bool  trueCopy = true
[protected]
 

Does most of copying If trueCopy false then just points to arrays.

void ClpModel::getRowBound int  iRow,
double &  lower,
double &  upper
const [protected]
 

gets lower and upper bounds on rows

void ClpModel::gutsOfLoadModel int  numberRows,
int  numberColumns,
const double *  collb,
const double *  colub,
const double *  obj,
const double *  rowlb,
const double *  rowub,
const double *  rowObjective = NULL
[protected]
 

puts in format I like - 4 array matrix - may make row copy

void ClpModel::gutsOfScaling  )  [protected]
 

Does much of scaling.

double ClpModel::rawObjectiveValue  )  const [inline, protected]
 

Objective value - always minimize.

Reimplemented in ClpInterior, and ClpSimplex.

Definition at line 795 of file ClpModel.hpp.

const char* const* const ClpModel::rowNamesAsChar  )  const [protected]
 

Create row names as char **.

const char* const* const ClpModel::columnNamesAsChar  )  const [protected]
 

Create column names as char **.

void ClpModel::deleteNamesAsChar const char *const *const   names,
int  number
const [protected]
 

Delete char * version of names.


Member Data Documentation

double ClpModel::optimizationDirection_ [protected]
 

Direction of optimization (1 - minimize, -1 - maximize, 0 - ignore.

Definition at line 813 of file ClpModel.hpp.

double ClpModel::dblParam_[ClpLastDblParam] [protected]
 

Array of double parameters.

Definition at line 815 of file ClpModel.hpp.

double ClpModel::objectiveValue_ [protected]
 

Objective value.

Definition at line 817 of file ClpModel.hpp.

double ClpModel::smallElement_ [protected]
 

Small element value.

Definition at line 819 of file ClpModel.hpp.

double ClpModel::objectiveScale_ [protected]
 

Scaling of objective.

Definition at line 821 of file ClpModel.hpp.

double ClpModel::rhsScale_ [protected]
 

Scaling of rhs and bounds.

Definition at line 823 of file ClpModel.hpp.

int ClpModel::numberRows_ [protected]
 

Number of rows.

Definition at line 825 of file ClpModel.hpp.

int ClpModel::numberColumns_ [protected]
 

Number of columns.

Definition at line 827 of file ClpModel.hpp.

double* ClpModel::rowActivity_ [protected]
 

Row activities.

Definition at line 829 of file ClpModel.hpp.

double* ClpModel::columnActivity_ [protected]
 

Column activities.

Definition at line 831 of file ClpModel.hpp.

double* ClpModel::dual_ [protected]
 

Duals.

Definition at line 833 of file ClpModel.hpp.

double* ClpModel::reducedCost_ [protected]
 

Reduced costs.

Definition at line 835 of file ClpModel.hpp.

double* ClpModel::rowLower_ [protected]
 

Row lower.

Definition at line 837 of file ClpModel.hpp.

double* ClpModel::rowUpper_ [protected]
 

Row upper.

Definition at line 839 of file ClpModel.hpp.

ClpObjective* ClpModel::objective_ [protected]
 

Objective.

Definition at line 841 of file ClpModel.hpp.

double* ClpModel::rowObjective_ [protected]
 

Row Objective (? sign) - may be NULL.

Definition at line 843 of file ClpModel.hpp.

double* ClpModel::columnLower_ [protected]
 

Column Lower.

Definition at line 845 of file ClpModel.hpp.

double* ClpModel::columnUpper_ [protected]
 

Column Upper.

Definition at line 847 of file ClpModel.hpp.

ClpMatrixBase* ClpModel::matrix_ [protected]
 

Packed matrix.

Definition at line 849 of file ClpModel.hpp.

ClpMatrixBase* ClpModel::rowCopy_ [protected]
 

Row copy if wanted.

Definition at line 851 of file ClpModel.hpp.

double* ClpModel::ray_ [protected]
 

Infeasible/unbounded ray.

Definition at line 853 of file ClpModel.hpp.

double* ClpModel::rowScale_ [protected]
 

Row scale factors for matrix.

Definition at line 855 of file ClpModel.hpp.

double* ClpModel::columnScale_ [protected]
 

Column scale factors.

Definition at line 857 of file ClpModel.hpp.

int ClpModel::scalingFlag_ [protected]
 

Scale flag, 0 none, 1 equilibrium, 2 geometric, 3, auto, 4 dynamic.

Definition at line 859 of file ClpModel.hpp.

unsigned char* ClpModel::status_ [protected]
 

Status (i.e.

basis) Region. I know that not all algorithms need a status array, but it made sense for things like crossover and put all permanent stuff in one place. No assumption is made about what is in status array (although it might be good to reserve bottom 3 bits (i.e. 0-7 numeric) for classic status). This is number of columns + number of rows long (in that order).

Definition at line 867 of file ClpModel.hpp.

char* ClpModel::integerType_ [protected]
 

Integer information.

Definition at line 869 of file ClpModel.hpp.

void* ClpModel::userPointer_ [protected]
 

User pointer for whatever reason.

Definition at line 871 of file ClpModel.hpp.

int ClpModel::intParam_[ClpLastIntParam] [protected]
 

Array of integer parameters.

Definition at line 873 of file ClpModel.hpp.

int ClpModel::numberIterations_ [protected]
 

Number of iterations.

Definition at line 875 of file ClpModel.hpp.

int ClpModel::solveType_ [protected]
 

Solve type - 1 simplex, 2 simplex interface, 3 Interior.

Definition at line 877 of file ClpModel.hpp.

unsigned int ClpModel::whatsChanged_ [protected]
 

Whats changed since last solve.

This is a work in progress It is designed so careful people can make go faster. It is only used when startFinishOptions used in dual or primal. Bit 1 - number of rows/columns has not changed (so work arrays valid) 2 - matrix has not changed 4 - if matrix has changed only by adding rows 8 - if matrix has changed only by adding columns 16 - row lbs not changed 32 - row ubs not changed 64 - column objective not changed 128 - column lbs not changed 256 - column ubs not changed 512 - basis not changed (up to user to set this to 0) top bits may be used internally

Definition at line 893 of file ClpModel.hpp.

int ClpModel::problemStatus_ [protected]
 

Status of problem.

Definition at line 895 of file ClpModel.hpp.

int ClpModel::secondaryStatus_ [protected]
 

Secondary status of problem.

Definition at line 897 of file ClpModel.hpp.

int ClpModel::lengthNames_ [protected]
 

length of names (0 means no names)

Definition at line 899 of file ClpModel.hpp.

int ClpModel::numberThreads_ [protected]
 

Number of threads (not very operational).

Definition at line 901 of file ClpModel.hpp.

CoinMessageHandler* ClpModel::handler_ [protected]
 

Message handler.

Definition at line 903 of file ClpModel.hpp.

bool ClpModel::defaultHandler_ [protected]
 

Flag to say if default handler (so delete).

Definition at line 905 of file ClpModel.hpp.

ClpEventHandler* ClpModel::eventHandler_ [protected]
 

Event handler.

Definition at line 907 of file ClpModel.hpp.

std::vector<std::string> ClpModel::rowNames_ [protected]
 

Row names.

Definition at line 910 of file ClpModel.hpp.

std::vector<std::string> ClpModel::columnNames_ [protected]
 

Column names.

Definition at line 912 of file ClpModel.hpp.

CoinMessages ClpModel::messages_ [protected]
 

Messages.

Definition at line 915 of file ClpModel.hpp.

CoinMessages ClpModel::coinMessages_ [protected]
 

Coin messages.

Definition at line 917 of file ClpModel.hpp.

std::string ClpModel::strParam_[ClpLastStrParam] [protected]
 

Array of string parameters.

Definition at line 920 of file ClpModel.hpp.


The documentation for this class was generated from the following file:
Generated on Sun Jun 11 02:00:27 2006 by  doxygen 1.3.9.1