Cbc 2.10.12
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Cbc_C_Interface.h
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1/* $Id$ */
2/*
3 Copyright (C) 2004 International Business Machines Corporation and others.
4 All Rights Reserved.
5
6 This code is licensed under the terms of the Eclipse Public License (EPL).
7*/
8#ifndef CbcModelC_H
9#define CbcModelC_H
10
11/* include all defines and ugly stuff */
12#include "Coin_C_defines.h"
13#include <stddef.h>
14
15/*
16 * Original version contributed by Bob Entriken,
17 * significantly updated by Miles Lubin.
18 * 2018: several updates by Haroldo
19 */
20
21#ifdef __cplusplus
22extern "C" {
23#endif
24
26COINLIBAPI const char *COINLINKAGE Cbc_getVersion(void);
27
30
32COINLIBAPI Cbc_Model *COINLINKAGE
34
40COINLIBAPI int COINLINKAGE
41Cbc_setProblemName(Cbc_Model *model, const char *array);
42
57COINLIBAPI void COINLINKAGE
58Cbc_addCol(Cbc_Model *model, const char *name, double lb,
59 double ub, double obj, char isInteger,
60 int nz, int *rows, double *coefs);
61
74COINLIBAPI void COINLINKAGE
75Cbc_addRow(Cbc_Model *model, const char *name, int nz,
76 const int *cols, const double *coefs, char sense, double rhs);
77
79COINLIBAPI void COINLINKAGE
80Cbc_addSOS(Cbc_Model *model, int numRows, const int *rowStarts,
81 const int *colIndices, const double *weights, const int type);
82
102COINLIBAPI void COINLINKAGE
103Cbc_loadProblem(Cbc_Model *model, const int numcols, const int numrows,
104 const CoinBigIndex *start, const int *index,
105 const double *value,
106 const double *collb, const double *colub,
107 const double *obj,
108 const double *rowlb, const double *rowub);
109
116COINLIBAPI void COINLINKAGE
117Cbc_setColName(Cbc_Model *model, int iColumn, const char *name);
118
125COINLIBAPI void COINLINKAGE
126Cbc_setRowName(Cbc_Model *model, int iRow, const char *name);
127
133COINLIBAPI void COINLINKAGE
134Cbc_setObjSense(Cbc_Model *model, double sense);
135
142COINLIBAPI void COINLINKAGE
143Cbc_setRowLower(Cbc_Model *model, int index, double value);
144
151COINLIBAPI void COINLINKAGE
152Cbc_setRowUpper(Cbc_Model *model, int index, double value);
153
160COINLIBAPI void COINLINKAGE
161Cbc_setObjCoeff(Cbc_Model *model, int index, double value);
162
169COINLIBAPI void COINLINKAGE
170Cbc_setColLower(Cbc_Model *model, int index, double value);
171
178COINLIBAPI void COINLINKAGE
179Cbc_setColUpper(Cbc_Model *model, int index, double value);
180
186COINLIBAPI void COINLINKAGE
187Cbc_setContinuous(Cbc_Model *model, int iColumn);
188
194COINLIBAPI void COINLINKAGE
195Cbc_setInteger(Cbc_Model *model, int iColumn);
196
198COINLIBAPI void COINLINKAGE
200
214COINLIBAPI void COINLINKAGE
215Cbc_setMIPStart(Cbc_Model *model, int count, const char **colNames, const double colValues[]);
216
230COINLIBAPI void COINLINKAGE
231Cbc_setMIPStartI(Cbc_Model *model, int count, const int colIdxs[], const double colValues[]);
232
238COINLIBAPI Cbc_Model *COINLINKAGE
239Cbc_clone(Cbc_Model *model);
240
242
246
253COINLIBAPI void COINLINKAGE
254Cbc_problemName(Cbc_Model *model, int maxNumberCharacters, char *array);
255
261COINLIBAPI int COINLINKAGE
263
268COINLIBAPI int COINLINKAGE
270
276COINLIBAPI int COINLINKAGE
278
283COINLIBAPI int COINLINKAGE
285
293COINLIBAPI void COINLINKAGE
294Cbc_getRowName(Cbc_Model *model, int iRow, char *name, size_t maxLength);
295
303COINLIBAPI void COINLINKAGE
304Cbc_getColName(Cbc_Model *model, int iColumn, char *name, size_t maxLength);
305
312COINLIBAPI int COINLINKAGE
313Cbc_getRowNz(Cbc_Model *model, int row);
314
321COINLIBAPI const int *COINLINKAGE
322Cbc_getRowIndices(Cbc_Model *model, int row);
323
330COINLIBAPI const double *COINLINKAGE
331Cbc_getRowCoeffs(Cbc_Model *model, int row);
332
339COINLIBAPI int COINLINKAGE
340Cbc_getColNz(Cbc_Model *model, int col);
341
348COINLIBAPI const int *COINLINKAGE
349Cbc_getColIndices(Cbc_Model *model, int col);
350
357COINLIBAPI const double *COINLINKAGE
358Cbc_getColCoeffs(Cbc_Model *model, int col);
359
366COINLIBAPI double COINLINKAGE
367Cbc_getRowRHS(Cbc_Model *model, int row);
368
374COINLIBAPI char COINLINKAGE
375Cbc_getRowSense(Cbc_Model *model, int row);
376
382COINLIBAPI double COINLINKAGE
384
390COINLIBAPI const double *COINLINKAGE
392
398COINLIBAPI const double *COINLINKAGE
400
406COINLIBAPI const double *COINLINKAGE
408
414COINLIBAPI const double *COINLINKAGE
416
422COINLIBAPI const double *COINLINKAGE
424
431COINLIBAPI int COINLINKAGE
432Cbc_isInteger(Cbc_Model *model, int i);
433
434
436
440
446COINLIBAPI int COINLINKAGE
447Cbc_readMps(Cbc_Model *model, const char *filename);
448
454COINLIBAPI int COINLINKAGE
455Cbc_readLp(Cbc_Model *model, const char *filename);
456
462COINLIBAPI void COINLINKAGE
463Cbc_writeMps(Cbc_Model *model, const char *filename);
464
470COINLIBAPI void COINLINKAGE
471Cbc_writeLp(Cbc_Model *model, const char *filename);
472
474
484
488COINLIBAPI void COINLINKAGE
489Cbc_setInitialSolution(Cbc_Model *model, const double *sol);
491COINLIBAPI const CoinBigIndex *COINLINKAGE
494COINLIBAPI const int *COINLINKAGE
497COINLIBAPI const double *COINLINKAGE
499
501COINLIBAPI size_t COINLINKAGE
504COINLIBAPI void COINLINKAGE
505Cbc_printModel(Cbc_Model *model, const char *argPrefix);
507
513COINLIBAPI void COINLINKAGE
514Cbc_setParameter(Cbc_Model *model, const char *name, const char *value);
515
516
519COINLIBAPI double COINLINKAGE
521
524COINLIBAPI void COINLINKAGE
525Cbc_setAllowableGap(Cbc_Model *model, double allowedGap);
526
529COINLIBAPI double COINLINKAGE
531
534COINLIBAPI void COINLINKAGE
535Cbc_setAllowableFractionGap(Cbc_Model *model, double allowedFracionGap);
536
539COINLIBAPI double COINLINKAGE
541
544COINLIBAPI void COINLINKAGE
545Cbc_setAllowablePercentageGap(Cbc_Model *model, double allowedPercentageGap);
546
549COINLIBAPI double COINLINKAGE
551
554COINLIBAPI void COINLINKAGE
555Cbc_setMaximumSeconds(Cbc_Model *model, double maxSeconds);
556
557
560COINLIBAPI int COINLINKAGE
562
565COINLIBAPI void COINLINKAGE
566Cbc_setMaximumNodes(Cbc_Model *model, int maxNodes);
567
570COINLIBAPI int COINLINKAGE
572
575COINLIBAPI void COINLINKAGE
576Cbc_setMaximumSolutions(Cbc_Model *model, int maxSolutions);
577
580COINLIBAPI int COINLINKAGE
582
585COINLIBAPI void COINLINKAGE
586Cbc_setLogLevel(Cbc_Model *model, int logLevel);
587
588
591COINLIBAPI double COINLINKAGE
593
596COINLIBAPI void COINLINKAGE
597Cbc_setCutoff(Cbc_Model *model, double cutoff);
598
599
600
606COINLIBAPI void COINLINKAGE
608 cbc_callback userCallBack);
609
611COINLIBAPI void COINLINKAGE
613
614COINLIBAPI void COINLINKAGE Cbc_addCutCallback(
615 Cbc_Model *model, cbc_cut_callback cutcb,
616 const char *name, void *appData );
617
619
622/* Solve the model with Cbc (using CbcMain1).
623 */
624COINLIBAPI int COINLINKAGE
625Cbc_solve(Cbc_Model *model);
627
630
636COINLIBAPI const double *COINLINKAGE
638
639
645COINLIBAPI double COINLINKAGE
647
655COINLIBAPI double *COINLINKAGE
657
663COINLIBAPI int COINLINKAGE
665
672COINLIBAPI const double *COINLINKAGE
673Cbc_savedSolution(Cbc_Model *model, int whichSol);
674
681COINLIBAPI double COINLINKAGE
682Cbc_savedSolutionObj(Cbc_Model *model, int whichSol);
683
689COINLIBAPI const double *COINLINKAGE
691
697COINLIBAPI int COINLINKAGE
699
705COINLIBAPI int COINLINKAGE
707
716COINLIBAPI int COINLINKAGE
718
724COINLIBAPI int COINLINKAGE
726
732COINLIBAPI double COINLINKAGE
734
750COINLIBAPI int COINLINKAGE Cbc_status(Cbc_Model *model);
751
770COINLIBAPI int COINLINKAGE
772
774COINLIBAPI double COINLINKAGE
776
778COINLIBAPI int COINLINKAGE
780
783COINLIBAPI void COINLINKAGE
785
787COINLIBAPI int COINLINKAGE
789
791COINLIBAPI int COINLINKAGE
794COINLIBAPI int COINLINKAGE
797COINLIBAPI int COINLINKAGE
800COINLIBAPI int COINLINKAGE
803COINLIBAPI int COINLINKAGE
806COINLIBAPI int COINLINKAGE
811COINLIBAPI const double *COINLINKAGE
814COINLIBAPI int COINLINKAGE
817COINLIBAPI void COINLINKAGE
819
821
824
826COINLIBAPI int COINLINKAGE
827Osi_getNumCols( void *osi );
828
830COINLIBAPI void COINLINKAGE
831Osi_getColName( void *osi, int i, char *name, int maxLen );
832
834COINLIBAPI const double * COINLINKAGE
835Osi_getColLower( void *osi );
836
838COINLIBAPI const double * COINLINKAGE
839Osi_getColUpper( void *osi );
840
842COINLIBAPI int COINLINKAGE
843Osi_isInteger( void *osi, int col );
844
846COINLIBAPI int COINLINKAGE
847Osi_getNumRows( void *osi );
848
849COINLIBAPI int COINLINKAGE
850Osi_getRowNz(void *osi, int row);
851
853COINLIBAPI const int *COINLINKAGE
854Osi_getRowIndices(void *osi, int row);
855
862COINLIBAPI const double *COINLINKAGE
863Osi_getRowCoeffs(void *osi, int row);
864
871COINLIBAPI double COINLINKAGE
872Osi_getRowRHS(void *osi, int row);
873
879COINLIBAPI char COINLINKAGE
880Osi_getRowSense(void *osi, int row);
881
883COINLIBAPI const double * COINLINKAGE
885
886
888
891
893COINLIBAPI void COINLINKAGE
894OsiCuts_addRowCut( void *osiCuts, int nz, const int *idx, const double *coef, char sense, double rhs );
895
897
898#ifdef __cplusplus
899}
900#endif
901#endif
902
903/* vi: softtabstop=2 shiftwidth=2 expandtab tabstop=2
904*/
CbcModel * model() const
Return model.
COINLIBAPI char COINLINKAGE Cbc_getRowSense(Cbc_Model *model, int row)
Sense a row.
COINLIBAPI const int *COINLINKAGE Cbc_getIndices(Cbc_Model *model)
"Row index" vector of constraint matrix
COINLIBAPI char COINLINKAGE Osi_getRowSense(void *osi, int row)
Sense a row.
COINLIBAPI double COINLINKAGE Cbc_getCutoff(Cbc_Model *model)
returns the cutoff
COINLIBAPI int COINLINKAGE Cbc_solve(Cbc_Model *model)
COINLIBAPI size_t COINLINKAGE Cbc_maxNameLength(Cbc_Model *model)
Maximum lenght of a row or column name.
COINLIBAPI void COINLINKAGE Cbc_setInteger(Cbc_Model *model, int iColumn)
Set this variable to be integer.
COINLIBAPI int COINLINKAGE Osi_getRowNz(void *osi, int row)
COINLIBAPI void COINLINKAGE Cbc_setParameter(Cbc_Model *model, const char *name, const char *value)
Set parameter "name" to value "value".
COINLIBAPI void COINLINKAGE Cbc_setCutoff(Cbc_Model *model, double cutoff)
sets the cutoff
COINLIBAPI void COINLINKAGE Cbc_printSolution(Cbc_Model *model)
Print the solution.
COINLIBAPI void COINLINKAGE Cbc_clearCallBack(Cbc_Model *model)
Unset Callback function.
COINLIBAPI int COINLINKAGE Cbc_isProvenOptimal(Cbc_Model *model)
If the optimal solution was found.
COINLIBAPI const double *COINLINKAGE Cbc_getColCoeffs(Cbc_Model *model, int col)
Coefficients that a column appear in rows.
COINLIBAPI void COINLINKAGE Cbc_addSOS(Cbc_Model *model, int numRows, const int *rowStarts, const int *colIndices, const double *weights, const int type)
Add SOS constraints to the model using row-order matrix.
COINLIBAPI const double *COINLINKAGE Osi_getRowCoeffs(void *osi, int row)
Coefficients of variables that appear on this row.
COINLIBAPI int COINLINKAGE Cbc_getNumElements(Cbc_Model *model)
Number of nonzero elements in constraint matrix.
COINLIBAPI void COINLINKAGE Cbc_addCutCallback(Cbc_Model *model, cbc_cut_callback cutcb, const char *name, void *appData)
COINLIBAPI void COINLINKAGE Cbc_writeLp(Cbc_Model *model, const char *filename)
Write an lp file from the given filename.
COINLIBAPI void COINLINKAGE Osi_getColName(void *osi, int i, char *name, int maxLen)
Returns column name in OsiSolverInterface object.
COINLIBAPI void COINLINKAGE Cbc_setColName(Cbc_Model *model, int iColumn, const char *name)
Set the name of a column.
COINLIBAPI Cbc_Model *COINLINKAGE Cbc_clone(Cbc_Model *model)
Creates a copy of the current model.
COINLIBAPI void COINLINKAGE Cbc_getColName(Cbc_Model *model, int iColumn, char *name, size_t maxLength)
Queries column name.
COINLIBAPI void COINLINKAGE Cbc_writeMps(Cbc_Model *model, const char *filename)
Write an mps file from the given filename.
COINLIBAPI void COINLINKAGE Cbc_problemName(Cbc_Model *model, int maxNumberCharacters, char *array)
Queries problem name.
COINLIBAPI const double *COINLINKAGE Cbc_getRowCoeffs(Cbc_Model *model, int row)
Coefficients of variables that appear on this row.
COINLIBAPI int COINLINKAGE Cbc_isInteger(Cbc_Model *model, int i)
Determine whether the ith variable is integer restricted.
COINLIBAPI int COINLINKAGE Cbc_isSolutionLimitReached(Cbc_Model *model)
Solution limit reached?
COINLIBAPI void COINLINKAGE Cbc_setMIPStart(Cbc_Model *model, int count, const char **colNames, const double colValues[])
Enter initial feasible solution.
COINLIBAPI const double *COINLINKAGE Cbc_savedSolution(Cbc_Model *model, int whichSol)
Vector with the i-th saved solution.
COINLIBAPI int COINLINKAGE Cbc_isInitialSolveProvenOptimal(Cbc_Model *model)
Is optimality proven (for initialSolve) ?
COINLIBAPI const double *COINLINKAGE Cbc_getColLower(Cbc_Model *model)
Variable lower bounds.
COINLIBAPI void COINLINKAGE Cbc_loadProblem(Cbc_Model *model, 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)
Loads a problem (the constraints on the rows are given by lower and upper bounds).
COINLIBAPI int COINLINKAGE Cbc_getIterationCount(Cbc_Model *model)
Number of iterations.
COINLIBAPI double COINLINKAGE Cbc_savedSolutionObj(Cbc_Model *model, int whichSol)
Cost of the whichSol solution.
COINLIBAPI int COINLINKAGE Cbc_isContinuousUnbounded(Cbc_Model *model)
Is continuous model unbounded ?
COINLIBAPI void COINLINKAGE Cbc_setContinuous(Cbc_Model *model, int iColumn)
Set this variable to be continuous.
COINLIBAPI Cbc_Model *COINLINKAGE Cbc_newModel(void)
Creates an empty problem.
COINLIBAPI int COINLINKAGE Cbc_status(Cbc_Model *model)
Final optimization status.
COINLIBAPI void COINLINKAGE Cbc_setAllowableFractionGap(Cbc_Model *model, double allowedFracionGap)
sets the allowable fraction gap
COINLIBAPI int COINLINKAGE Cbc_getNumRows(Cbc_Model *model)
Number of constraints in the model.
COINLIBAPI int COINLINKAGE Cbc_isInitialSolveProvenPrimalInfeasible(Cbc_Model *model)
Is primal infeasiblity proven (for initialSolve) ?
COINLIBAPI double COINLINKAGE Cbc_getObjValue(Cbc_Model *model)
Objective value of best feasible solution.
COINLIBAPI int COINLINKAGE Osi_isInteger(void *osi, int col)
Returns integrality information for columns in OsiSolverInterface object.
COINLIBAPI int COINLINKAGE Cbc_getMaximumSolutions(Cbc_Model *model)
returns solution limit for the search process
COINLIBAPI void COINLINKAGE Cbc_printModel(Cbc_Model *model, const char *argPrefix)
Print the model.
COINLIBAPI void COINLINKAGE Cbc_setColUpper(Cbc_Model *model, int index, double value)
Set the upper bound of a single variable.
COINLIBAPI void COINLINKAGE Cbc_addCol(Cbc_Model *model, const char *name, double lb, double ub, double obj, char isInteger, int nz, int *rows, double *coefs)
Creates a new column.
COINLIBAPI const double *COINLINKAGE Cbc_getObjCoefficients(Cbc_Model *model)
Objective vector.
COINLIBAPI int COINLINKAGE Cbc_numberPrimalInfeasibilities(Cbc_Model *model)
Number of primal infeasibilities.
COINLIBAPI void COINLINKAGE OsiCuts_addRowCut(void *osiCuts, int nz, const int *idx, const double *coef, char sense, double rhs)
adds a row cut (used in callback)
COINLIBAPI double COINLINKAGE Cbc_getBestPossibleObjValue(Cbc_Model *model)
Best known bound on the optimal objective value.
COINLIBAPI void COINLINKAGE Cbc_setInitialSolution(Cbc_Model *model, const double *sol)
Provide an initial feasible solution to accelerate branch-and-bound Note that feasibility of the solu...
COINLIBAPI void COINLINKAGE Cbc_checkSolution(Cbc_Model *model)
Just check solution (for external use) - sets sum of infeasibilities etc.
COINLIBAPI double COINLINKAGE Cbc_getMaximumSeconds(Cbc_Model *model)
returns the time limit for the search process
COINLIBAPI void COINLINKAGE Cbc_setRowLower(Cbc_Model *model, int index, double value)
Set the lower bound of a single constraint.
COINLIBAPI int COINLINKAGE Cbc_readMps(Cbc_Model *model, const char *filename)
Read an mps file from the given filename.
COINLIBAPI const double *COINLINKAGE Cbc_getColSolution(Cbc_Model *model)
Best feasible solution vector.
COINLIBAPI double COINLINKAGE Cbc_getRowRHS(Cbc_Model *model, int row)
Right hand side of a row.
COINLIBAPI void COINLINKAGE Cbc_setObjCoeff(Cbc_Model *model, int index, double value)
Set the objective coefficient of a single variable.
COINLIBAPI double COINLINKAGE Cbc_sumPrimalInfeasibilities(Cbc_Model *model)
Sum of primal infeasibilities.
COINLIBAPI void COINLINKAGE Cbc_setLogLevel(Cbc_Model *model, int logLevel)
sets the log level
COINLIBAPI int COINLINKAGE Cbc_getLogLevel(Cbc_Model *model)
returns the current log leven
COINLIBAPI double COINLINKAGE Osi_getRowRHS(void *osi, int row)
Right hand side of a row.
COINLIBAPI const double *COINLINKAGE Cbc_getRowLower(Cbc_Model *model)
Constraint lower bounds.
COINLIBAPI const char *COINLINKAGE Cbc_getVersion(void)
Current version of Cbc.
COINLIBAPI double COINLINKAGE Cbc_getObjSense(Cbc_Model *model)
Direction of optimization.
COINLIBAPI const double *COINLINKAGE Cbc_getRowActivity(Cbc_Model *model)
"row" solution This is the vector A*x, where A is the constraint matrix and x is the current solution...
COINLIBAPI void COINLINKAGE Cbc_getRowName(Cbc_Model *model, int iRow, char *name, size_t maxLength)
Queries row name.
COINLIBAPI const double *COINLINKAGE Cbc_getElements(Cbc_Model *model)
Coefficient vector of constraint matrix.
COINLIBAPI void COINLINKAGE Cbc_setMaximumNodes(Cbc_Model *model, int maxNodes)
sets the maximum number of nodes that can be explored in the search tree
COINLIBAPI double *COINLINKAGE Cbc_bestSolution(Cbc_Model *model)
Best integer feasible solution.
COINLIBAPI const double *COINLINKAGE Osi_getColUpper(void *osi)
Returns column upper bounds in OsiSolverInterface object.
COINLIBAPI int COINLINKAGE Cbc_getNumCols(Cbc_Model *model)
Number of variables in the model.
COINLIBAPI const int *COINLINKAGE Osi_getRowIndices(void *osi, int row)
Indices of variables that appear on a row.
COINLIBAPI const double *COINLINKAGE Cbc_getColUpper(Cbc_Model *model)
Variable upper bounds.
COINLIBAPI int COINLINKAGE Cbc_secondaryStatus(Cbc_Model *model)
Secondary status of problem.
COINLIBAPI void COINLINKAGE Cbc_setAllowablePercentageGap(Cbc_Model *model, double allowedPercentageGap)
sets the allowable percentage gap
COINLIBAPI int COINLINKAGE Cbc_getMaximumNodes(Cbc_Model *model)
returns the maximum number of nodes that can be explored in the search tree
COINLIBAPI double COINLINKAGE Cbc_getAllowableGap(Cbc_Model *model)
returns the allowable gap
COINLIBAPI int COINLINKAGE Cbc_getRowNz(Cbc_Model *model, int row)
Number of non-zero entries in a row.
COINLIBAPI int COINLINKAGE Cbc_isNodeLimitReached(Cbc_Model *model)
Node limit reached?
COINLIBAPI void COINLINKAGE Cbc_registerCallBack(Cbc_Model *model, cbc_callback userCallBack)
Pass in Callback function.
COINLIBAPI void COINLINKAGE Cbc_setRowUpper(Cbc_Model *model, int index, double value)
Set the upper bound of a single constraint.
COINLIBAPI void COINLINKAGE Cbc_deleteModel(Cbc_Model *model)
Cbc_Model destructor.
COINLIBAPI void COINLINKAGE Cbc_setMIPStartI(Cbc_Model *model, int count, const int colIdxs[], const double colValues[])
Enter initial feasible solution.
COINLIBAPI void COINLINKAGE Cbc_setRowName(Cbc_Model *model, int iRow, const char *name)
Set the name of a row.
COINLIBAPI const double *COINLINKAGE Cbc_getRowUpper(Cbc_Model *model)
Constraint upper bounds.
COINLIBAPI const double *COINLINKAGE Osi_getColSolution(void *osi)
Returns solution vector in OsiSolverInterface object.
COINLIBAPI int COINLINKAGE Cbc_getNumIntegers(Cbc_Model *model)
Number of integer variables in the model.
COINLIBAPI int COINLINKAGE Cbc_getNodeCount(Cbc_Model *model)
Number of nodes explored in B&B tree.
COINLIBAPI int COINLINKAGE Osi_getNumCols(void *osi)
Returns number of cols in OsiSolverInterface object.
COINLIBAPI const CoinBigIndex *COINLINKAGE Cbc_getVectorStarts(Cbc_Model *model)
"Column start" vector of constraint matrix.
COINLIBAPI const double *COINLINKAGE Cbc_getReducedCost(Cbc_Model *model)
Queries vector of reduced costs.
COINLIBAPI int COINLINKAGE Cbc_setProblemName(Cbc_Model *model, const char *array)
Sets problem name.
COINLIBAPI void COINLINKAGE Cbc_setMaximumSeconds(Cbc_Model *model, double maxSeconds)
sets the time limit for the search process
COINLIBAPI void COINLINKAGE Cbc_addRow(Cbc_Model *model, const char *name, int nz, const int *cols, const double *coefs, char sense, double rhs)
Adds a new row.
COINLIBAPI int COINLINKAGE Cbc_isInitialSolveAbandoned(Cbc_Model *model)
Are there numerical difficulties (for initialSolve) ?
COINLIBAPI void COINLINKAGE Cbc_setObjSense(Cbc_Model *model, double sense)
Sets optimization direction.
COINLIBAPI int COINLINKAGE Cbc_isProvenInfeasible(Cbc_Model *model)
If infeasibility was proven.
COINLIBAPI double COINLINKAGE Cbc_getAllowableFractionGap(Cbc_Model *model)
returns the allowable fraction gap
COINLIBAPI void COINLINKAGE Cbc_setColLower(Cbc_Model *model, int index, double value)
Set the lower bound of a single variable.
COINLIBAPI int COINLINKAGE Cbc_isSecondsLimitReached(Cbc_Model *model)
Time limit reached?
COINLIBAPI int COINLINKAGE Cbc_isAbandoned(Cbc_Model *model)
If optimization was abandoned due to numerical difficulties.
COINLIBAPI const double *COINLINKAGE Osi_getColLower(void *osi)
Returns column lower bounds in OsiSolverInterface object.
COINLIBAPI int COINLINKAGE Cbc_numberSavedSolutions(Cbc_Model *model)
number of integer feasible solution saved
COINLIBAPI int COINLINKAGE Osi_getNumRows(void *osi)
Returns number of rows in OsiSolverInterface object.
COINLIBAPI void COINLINKAGE Cbc_setMaximumSolutions(Cbc_Model *model, int maxSolutions)
sets a solution limit as a stopping criterion
COINLIBAPI int COINLINKAGE Cbc_getColNz(Cbc_Model *model, int col)
Number of non-zero entries in a column.
COINLIBAPI double COINLINKAGE Cbc_getAllowablePercentageGap(Cbc_Model *model)
returns the allowable percentage gap
COINLIBAPI void COINLINKAGE Cbc_setAllowableGap(Cbc_Model *model, double allowedGap)
sets the allowable gap
COINLIBAPI const int *COINLINKAGE Cbc_getColIndices(Cbc_Model *model, int col)
Indices of rows that a column appears.
COINLIBAPI const int *COINLINKAGE Cbc_getRowIndices(Cbc_Model *model, int row)
Indices of variables that appear on a row.
COINLIBAPI int COINLINKAGE Cbc_readLp(Cbc_Model *model, const char *filename)
Read an lp file from the given filename.