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CoinLpIO.hpp
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1 /* $Id: CoinLpIO.hpp 1749 2014-10-24 20:00:14Z tkr $ */
2 // Last edit: 11/5/08
3 //
4 // Name: CoinLpIO.hpp; Support for Lp files
5 // Author: Francois Margot
6 // Tepper School of Business
7 // Carnegie Mellon University, Pittsburgh, PA 15213
8 // email: fmargot@andrew.cmu.edu
9 // Date: 12/28/03
10 //-----------------------------------------------------------------------------
11 // Copyright (C) 2003, Francois Margot, International Business Machines
12 // Corporation and others. All Rights Reserved.
13 // This code is licensed under the terms of the Eclipse Public License (EPL).
14
15 #ifndef CoinLpIO_H
16 #define CoinLpIO_H
17
18 #include <cstdio>
19
20 #include "CoinPackedMatrix.hpp"
21 #include "CoinMessage.hpp"
22 class CoinSet;
23
24 const int MAX_OBJECTIVES = 2;
25
26 typedef int COINColumnIndex;
27
104 class CoinLpIO {
105 friend void CoinLpIOUnitTest(const std::string & lpDir);
106 public:
107
110 CoinLpIO();
112
114 void gutsOfDestructor();
115
117 void gutsOfCopy(const CoinLpIO &);
118
120 CoinLpIO & operator = (const CoinLpIO& rhs) ;
121
123 CoinLpIO (const CoinLpIO &);
124
126 ~CoinLpIO();
127
133 void freePreviousNames(const int section);
134
136 void freeAll();
138
141 inline void
142 convertBoundToSense(const double lower, const double upper,
143 char& sense, double& right, double& range) const;
144
147
149 const char * getProblemName() const;
150
152 void setProblemName(const char *name);
153
155 int getNumCols() const;
156
158 int getNumRows() const;
159
161 int getNumElements() const;
162
164 const double * getColLower() const;
165
167 const double * getColUpper() const;
168
170 const double * getRowLower() const;
171
173 const double * getRowUpper() const;
183 const char * getRowSense() const;
184
196 const double * getRightHandSide() const;
197
211 const double * getRowRange() const;
212
214 const int getNumObjectives() const;
215
217 const double * getObjCoefficients() const;
218
220 const double * getObjCoefficients(int j) const;
221
223 const CoinPackedMatrix * getMatrixByRow() const;
224
226 const CoinPackedMatrix * getMatrixByCol() const;
227
229 const char * getObjName() const;
230
232 const char * getObjName(int j) const;
233
239 void getPreviousRowNames(char const * const * prev,
240 int *card_prev) const;
241
246 void getPreviousColNames(char const * const * prev,
247 int *card_prev) const;
248
251 char const * const * getRowNames() const;
252
254 char const * const *getColNames() const;
255
259 const char * rowName(int index) const;
260
264 const char * columnName(int index) const;
265
269 int rowIndex(const char * name) const;
270
273 int columnIndex(const char * name) const;
274
276 double objectiveOffset() const;
277
279 double objectiveOffset(int j) const;
280
282 inline void setObjectiveOffset(double value)
283 { objectiveOffset_[0] = value;}
284
286 inline void setObjectiveOffset(double value, int j)
287 { objectiveOffset_[j] = value;}
288
291 bool isInteger(int columnNumber) const;
292
294 const char * integerColumns() const;
296
299 double getInfinity() const;
301
304 void setInfinity(const double);
305
307 double getEpsilon() const;
308
311 void setEpsilon(const double);
312
314 int getNumberAcross() const;
315
318 void setNumberAcross(const int);
319
321 int getDecimals() const;
322
325 void setDecimals(const int);
327
340 void setLpDataWithoutRowAndColNames(
341 const CoinPackedMatrix& m,
342 const double* collb, const double* colub,
343 const double* obj_coeff,
344 const char* integrality,
345 const double* rowlb, const double* rowub);
346
347 void setLpDataWithoutRowAndColNames(
348 const CoinPackedMatrix& m,
349 const double* collb, const double* colub,
350 const double* obj_coeff[MAX_OBJECTIVES],
351 int num_objectives,
352 const char* integrality,
353 const double* rowlb, const double* rowub);
354
367 int is_invalid_name(const char *buff, const bool ranged) const;
368
385 int are_invalid_names(char const * const *vnames,
386 const int card_vnames,
387 const bool check_ranged) const;
388
391 void setDefaultRowNames();
392
394 void setDefaultColNames();
395
415 void setLpDataRowAndColNames(char const * const * const rownames,
416 char const * const * const colnames);
417
432 int writeLp(const char *filename,
433 const double epsilon,
434 const int numberAcross,
435 const int decimals,
436 const bool useRowNames = true);
437
452 int writeLp(FILE *fp,
453 const double epsilon,
454 const int numberAcross,
455 const int decimals,
456 const bool useRowNames = true);
457
460 int writeLp(const char *filename, const bool useRowNames = true);
461
464 int writeLp(FILE *fp, const bool useRowNames = true);
465
470 void readLp(const char *filename, const double epsilon);
471
476 void readLp(const char *filename);
477
483 void readLp(FILE *fp, const double epsilon);
484
489 void readLp(FILE *fp);
490
492 void print() const;
493
495 void loadSOS(int numberSets,const CoinSet * sets);
496
498 void loadSOS(int numberSets,const CoinSet ** sets);
499
501 inline int numberSets() const
502 { return numberSets_;}
503
505 inline CoinSet ** setInformation() const
506 { return set_;}
508
515 void passInMessageHandler(CoinMessageHandler * handler);
516
518 void newLanguage(CoinMessages::Language language);
519
521 inline void setLanguage(CoinMessages::Language language) {newLanguage(language);}
522
524 inline CoinMessageHandler * messageHandler() const {return handler_;}
525
527 inline CoinMessages messages() {return messages_;}
529 inline CoinMessages * messagesPointer() {return & messages_;}
531
532 protected:
534 char * problemName_;
535
537 CoinMessageHandler * handler_;
543 bool defaultHandler_;
545 CoinMessages messages_;
546
548 int numberRows_;
549
551 int numberColumns_;
552
554 int numberElements_;
555
557 mutable CoinPackedMatrix *matrixByColumn_;
558
560 CoinPackedMatrix *matrixByRow_;
561
563 double * rowlower_;
564
566 double * rowupper_;
567
569 double * collower_;
570
572 double * colupper_;
573
575 mutable double * rhs_;
576
580 mutable double *rowrange_;
581
583 mutable char * rowsense_;
584
586 double * objective_[MAX_OBJECTIVES];
587
589 int num_objectives_;
590
592 double objectiveOffset_[MAX_OBJECTIVES];
593
596 char * integerType_;
597
599 CoinSet ** set_;
600
602 int numberSets_;
603
605 char * fileName_;
606
608 double infinity_;
609
611 double epsilon_;
612
614 int numberAcross_;
615
617 int decimals_;
618
620 char *objName_[MAX_OBJECTIVES];
621
628 char **previous_names_[2];
629
634 int card_previous_names_[2];
635
640 char **names_[2];
641
642 typedef struct {
643 int index, next;
644 } CoinHashLink;
645
649 int maxHash_[2];
650
654 int numberHash_[2];
655
659 mutable CoinHashLink *hash_[2];
660
666 void startHash(char const * const * const names,
667 const COINColumnIndex number,
668 int section);
669
673 void stopHash(int section);
674
679 COINColumnIndex findHash(const char *name, int section) const;
680
685 void insertHash(const char *thisName, int section);
686
689 void out_coeff(FILE *fp, double v, int print_1) const;
690
694 int find_obj(FILE *fp) const;
695
701 int is_subject_to(const char *buff) const;
702
705 int first_is_number(const char *buff) const;
706
709 int is_comment(const char *buff) const;
710
712 void skip_comment(char *buff, FILE *fp) const;
713
715 void scan_next(char *buff, FILE *fp) const;
716
719 int is_free(const char *buff) const;
720
723 int is_inf(const char *buff) const;
724
730 int is_sense(const char *buff) const;
731
743 int is_keyword(const char *buff) const;
744
747 int read_monom_obj(FILE *fp, double *coeff, char **name, int *cnt,
748 char **obj_name, int *num_objectives, int *obj_starts);
749
754 int read_monom_row(FILE *fp, char *start_str, double *coeff, char **name,
755 int cnt_coeff) const;
756
758 void realloc_coeff(double **coeff, char ***colNames, int *maxcoeff) const;
759
761 void realloc_row(char ***rowNames, int **start, double **rhs,
762 double **rowlow, double **rowup, int *maxrow) const;
763
765 void realloc_col(double **collow, double **colup, char **is_int,
766 int *maxcol) const;
767
769 void read_row(FILE *fp, char *buff, double **pcoeff, char ***pcolNames,
770 int *cnt_coeff, int *maxcoeff,
771 double *rhs, double *rowlow, double *rowup,
772 int *cnt_row, double inf) const;
773
787 void checkRowNames();
788
797 void checkColNames();
798
799 };
800
801 void
802 CoinLpIOUnitTest(const std::string& lpDir);
803
804
805 #endif
CoinLpIO::getPreviousColNames
void getPreviousColNames(char const *const *prev, int *card_prev) const
Get pointer to array[*card_prev] of previous column names.
CoinLpIO::rowrange_
double * rowrange_
Pointer to dense vector of slack variable upper bounds for ranged constraints (undefined for non-rang...
Definition: CoinLpIO.hpp:580
CoinLpIO::getMatrixByRow
const CoinPackedMatrix * getMatrixByRow() const
Get pointer to row-wise copy of the coefficient matrix.
CoinLpIO::rowsense_
char * rowsense_
Pointer to dense vector of row senses.
Definition: CoinLpIO.hpp:583
CoinLpIO::print
void print() const
Dump the data. Low level method for debugging.
CoinLpIO::getRowNames
char const *const * getRowNames() const
Get pointer to array[getNumRows()+1] of row names, including objective function name as last entry...
CoinLpIO::getNumRows
int getNumRows() const
Get number of rows.
CoinLpIO::colupper_
double * colupper_
Pointer to dense vector of column upper bounds.
Definition: CoinLpIO.hpp:572
CoinLpIO::findHash
COINColumnIndex findHash(const char *name, int section) const
Return the index of the given name, return -1 if the name is not found.
CoinLpIO::rowlower_
double * rowlower_
Pointer to dense vector of row lower bounds.
Definition: CoinLpIO.hpp:563
CoinLpIO::setEpsilon
void setEpsilon(const double)
Set epsilon.
CoinLpIO::CoinHashLink::next
int next
Definition: CoinLpIO.hpp:643
CoinLpIO::setProblemName
void setProblemName(const char *name)
Set problem name.
CoinLpIO::setInfinity
void setInfinity(const double)
Set infinity.
CoinLpIO::operator=
CoinLpIO & operator=(const CoinLpIO &rhs)
assignment operator
CoinLpIO::previous_names_
char ** previous_names_[2]
Row names (including objective function name) and column names when stopHash() for the corresponding ...
Definition: CoinLpIO.hpp:628
CoinLpIO::are_invalid_names
int are_invalid_names(char const *const *vnames, const int card_vnames, const bool check_ranged) const
Return 0 if each of the card_vnames entries of vnames is a valid name, return a positive number other...
CoinLpIO::stopHash
void stopHash(int section)
Delete hash storage.
CoinLpIO::read_monom_obj
int read_monom_obj(FILE *fp, double *coeff, char **name, int *cnt, char **obj_name, int *num_objectives, int *obj_starts)
Read a monomial of the objective function.
CoinLpIO::getColNames
char const *const * getColNames() const
Get pointer to array[getNumCols()] of column names.
CoinLpIO::num_objectives_
int num_objectives_
Number of objectives.
Definition: CoinLpIO.hpp:589
CoinLpIO::integerColumns
const char * integerColumns() const
Get characteristic vector of integer variables.
CoinLpIO::getEpsilon
double getEpsilon() const
Get epsilon.
CoinLpIO::rowName
const char * rowName(int index) const
Return the row name for the specified index.
CoinLpIO::getRowRange
const double * getRowRange() const
Get pointer to array[getNumRows()] of row ranges.
CoinLpIO::read_row
void read_row(FILE *fp, char *buff, double **pcoeff, char ***pcolNames, int *cnt_coeff, int *maxcoeff, double *rhs, double *rowlow, double *rowup, int *cnt_row, double inf) const
Read a constraint.
CoinLpIO::messagesPointer
CoinMessages * messagesPointer()
Return the messages pointer.
Definition: CoinLpIO.hpp:529
CoinLpIO::isInteger
bool isInteger(int columnNumber) const
Return true if a column is an integer (binary or general integer) variable.
CoinLpIO::matrixByRow_
CoinPackedMatrix * matrixByRow_
Pointer to row-wise copy of problem matrix coefficients.
Definition: CoinLpIO.hpp:560
CoinLpIO::CoinLpIO
CoinLpIO()
Default Constructor.
CoinLpIO::~CoinLpIO
~CoinLpIO()
Destructor.
CoinLpIO::decimals_
int decimals_
Number of decimals printed for coefficients.
Definition: CoinLpIO.hpp:617
CoinLpIO::numberHash_
int numberHash_[2]
Number of entries in a hash table section.
Definition: CoinLpIO.hpp:654
CoinLpIO::getNumberAcross
int getNumberAcross() const
Get numberAcross, the number of monomials to be printed per line.
CoinLpIO::skip_comment
void skip_comment(char *buff, FILE *fp) const
Read the file fp until buff contains an end of line.
CoinLpIO::is_comment
int is_comment(const char *buff) const
Return 1 if the first character of buff is &#39;/&#39; or &#39;\&#39;.
CoinLpIO::getObjName
const char * getObjName() const
Get objective function name.
CoinLpIO::numberColumns_
int numberColumns_
Number of columns.
Definition: CoinLpIO.hpp:551
CoinLpIOUnitTest
void CoinLpIOUnitTest(const std::string &lpDir)
CoinLpIO::getColUpper
const double * getColUpper() const
Get pointer to array[getNumCols()] of column upper bounds.
CoinMessageHandler
Base class for message handling.
Definition: CoinMessageHandler.hpp:327
CoinLpIO::read_monom_row
int read_monom_row(FILE *fp, char *start_str, double *coeff, char **name, int cnt_coeff) const
Read a monomial of a constraint.
CoinLpIO::setDefaultRowNames
void setDefaultRowNames()
Set objective function name to the default &quot;obj&quot; and row names to the default &quot;cons0&quot;, &quot;cons1&quot;, ...
CoinLpIO::getNumCols
int getNumCols() const
Get number of columns.
CoinLpIO::getDecimals
int getDecimals() const
Get decimals, the number of digits to write after the decimal point.
CoinLpIO::hash_
CoinHashLink * hash_[2]
Hash tables with two sections.
Definition: CoinLpIO.hpp:659
CoinLpIO::is_subject_to
int is_subject_to(const char *buff) const
Return an integer indicating if the keyword &quot;subject to&quot; or one of its variants has been read...
CoinLpIO::handler_
CoinMessageHandler * handler_
Message handler.
Definition: CoinLpIO.hpp:537
CoinLpIO::problemName_
char * problemName_
Problem name.
Definition: CoinLpIO.hpp:534
CoinLpIO::names_
char ** names_[2]
Row names (including objective function name) and column names (linked to Hash tables).
Definition: CoinLpIO.hpp:640
CoinLpIO::epsilon_
double epsilon_
Value to use for epsilon.
Definition: CoinLpIO.hpp:611
CoinLpIO::is_free
int is_free(const char *buff) const
Return 1 if buff is the keyword &quot;free&quot; or one of its variants.
CoinLpIO::getMatrixByCol
const CoinPackedMatrix * getMatrixByCol() const
Get pointer to column-wise copy of the coefficient matrix.
CoinLpIO::getNumElements
int getNumElements() const
Get number of nonzero elements.
CoinLpIO::setLpDataRowAndColNames
void setLpDataRowAndColNames(char const *const *const rownames, char const *const *const colnames)
Set the row and column names.
CoinLpIO::infinity_
double infinity_
Value to use for infinity.
Definition: CoinLpIO.hpp:608
CoinLpIO::numberElements_
int numberElements_
Number of elements.
Definition: CoinLpIO.hpp:554
CoinLpIO::getProblemName
const char * getProblemName() const
Get the problem name.
CoinLpIO::checkRowNames
void checkRowNames()
Check that current objective name and all row names are distinct including row names obtained by addi...
MAX_OBJECTIVES
const int MAX_OBJECTIVES
Definition: CoinLpIO.hpp:24
CoinLpIO::setLanguage
void setLanguage(CoinMessages::Language language)
Set the language for messages.
Definition: CoinLpIO.hpp:521
CoinLpIO::readLp
void readLp(const char *filename, const double epsilon)
Read the data in Lp format from the file with name filename, using the given value for epsilon...
CoinLpIO::objName_
char * objName_[MAX_OBJECTIVES]
Objective function name.
Definition: CoinLpIO.hpp:620
CoinLpIO::scan_next
void scan_next(char *buff, FILE *fp) const
Put in buff the next string that is not part of a comment.
CoinLpIO::is_inf
int is_inf(const char *buff) const
Return 1 if buff is the keyword &quot;inf&quot; or one of its variants.
CoinLpIO::integerType_
char * integerType_
Pointer to dense vector specifying if a variable is continuous (0) or integer (1).
Definition: CoinLpIO.hpp:596
CoinLpIO::numberSets
int numberSets() const
Number of SOS sets.
Definition: CoinLpIO.hpp:501
CoinLpIO::startHash
void startHash(char const *const *const names, const COINColumnIndex number, int section)
Build the hash table for the given names.
CoinLpIO::card_previous_names_
int card_previous_names_[2]
card_previous_names_[section] holds the number of entries in the vector previous_names_[section].
Definition: CoinLpIO.hpp:634
CoinLpIO::fileName_
char * fileName_
Current file name.
Definition: CoinLpIO.hpp:605
CoinLpIO::find_obj
int find_obj(FILE *fp) const
Locate the objective function.
CoinLpIO::matrixByColumn_
CoinPackedMatrix * matrixByColumn_
Pointer to column-wise copy of problem matrix coefficients.
Definition: CoinLpIO.hpp:557
CoinLpIO::newLanguage
void newLanguage(CoinMessages::Language language)
Set the language for messages.
CoinLpIO::setLpDataWithoutRowAndColNames
void setLpDataWithoutRowAndColNames(const CoinPackedMatrix &m, const double *collb, const double *colub, const double *obj_coeff, const char *integrality, const double *rowlb, const double *rowub)
Set the data of the object.
CoinLpIO::writeLp
int writeLp(const char *filename, const double epsilon, const int numberAcross, const int decimals, const bool useRowNames=true)
Write the data in Lp format in the file with name filename.
CoinLpIO::numberAcross_
int numberAcross_
Number of monomials printed in a row.
Definition: CoinLpIO.hpp:614
CoinLpIO::getColLower
const double * getColLower() const
Get pointer to array[getNumCols()] of column lower bounds.
CoinLpIO::first_is_number
int first_is_number(const char *buff) const
Return 1 if the first character of buff is a number.
CoinLpIO::gutsOfCopy
void gutsOfCopy(const CoinLpIO &)
Does the heavy lifting for copy and assignment.
CoinLpIO::set_
CoinSet ** set_
Pointer to sets.
Definition: CoinLpIO.hpp:599
CoinLpIO::messages_
CoinMessages messages_
Messages.
Definition: CoinLpIO.hpp:545
CoinLpIO::getInfinity
double getInfinity() const
Get infinity.
CoinLpIO::getNumObjectives
const int getNumObjectives() const
Get pointer to array[getNumCols()] of objective function coefficients.
CoinLpIO::getRowSense
const char * getRowSense() const
Get pointer to array[getNumRows()] of constraint senses.
CoinLpIO::columnIndex
int columnIndex(const char *name) const
Return the index for the specified column name.
CoinLpIO::objectiveOffset_
double objectiveOffset_[MAX_OBJECTIVES]
Constant offset for objective value.
Definition: CoinLpIO.hpp:592
CoinLpIO::objective_
double * objective_[MAX_OBJECTIVES]
Pointer to dense vector of objective coefficients.
Definition: CoinLpIO.hpp:586
CoinLpIO::convertBoundToSense
void convertBoundToSense(const double lower, const double upper, char &sense, double &right, double &range) const
A quick inlined function to convert from lb/ub style constraint definition to sense/rhs/range style...
CoinPackedMatrix
Sparse Matrix Base Class.
Definition: CoinPackedMatrix.hpp:79
CoinLpIO::getPreviousRowNames
void getPreviousRowNames(char const *const *prev, int *card_prev) const
Get pointer to array[*card_prev] of previous row names.
CoinLpIO::columnName
const char * columnName(int index) const
Return the column name for the specified index.
CoinLpIO::insertHash
void insertHash(const char *thisName, int section)
Insert thisName in the hash table if not present yet; does nothing if the name is already in...
COINColumnIndex
int COINColumnIndex
Definition: CoinLpIO.hpp:26
CoinMessages::Language
Language
Supported languages.
Definition: CoinMessageHandler.hpp:136
CoinLpIO::getRowUpper
const double * getRowUpper() const
Get pointer to array[getNumRows()] of row upper bounds.
CoinLpIO::setObjectiveOffset
void setObjectiveOffset(double value)
Set objective offset.
Definition: CoinLpIO.hpp:282
CoinLpIO::rowIndex
int rowIndex(const char *name) const
Return the index for the specified row name.
CoinLpIO::setObjectiveOffset
void setObjectiveOffset(double value, int j)
Set objective offset.
Definition: CoinLpIO.hpp:286
CoinLpIO::messageHandler
CoinMessageHandler * messageHandler() const
Return the message handler.
Definition: CoinLpIO.hpp:524
CoinLpIO::out_coeff
void out_coeff(FILE *fp, double v, int print_1) const
Write a coefficient.
CoinLpIO::numberSets_
int numberSets_
Number of sets.
Definition: CoinLpIO.hpp:602
CoinLpIO::getRowLower
const double * getRowLower() const
Get pointer to array[getNumRows()] of row lower bounds.
CoinLpIO::objectiveOffset
double objectiveOffset() const
Returns the (constant) objective offset.
CoinLpIO::rhs_
double * rhs_
Pointer to dense vector of row rhs.
Definition: CoinLpIO.hpp:575
CoinLpIO::getRightHandSide
const double * getRightHandSide() const
Get pointer to array[getNumRows()] of constraint right-hand sides.
CoinLpIO::loadSOS
void loadSOS(int numberSets, const CoinSet *sets)
Load in SOS stuff.
CoinLpIO::setDefaultColNames
void setDefaultColNames()
Set column names to the default &quot;x0&quot;, &quot;x1&quot;, ...
CoinMessage.hpp
This file contains the enum for the standard set of Coin messages and a class definition whose sole p...
CoinLpIO::collower_
double * collower_
Pointer to dense vector of column lower bounds.
Definition: CoinLpIO.hpp:569
CoinLpIO::realloc_coeff
void realloc_coeff(double **coeff, char ***colNames, int *maxcoeff) const
Reallocate vectors related to number of coefficients.
CoinLpIO::realloc_row
void realloc_row(char ***rowNames, int **start, double **rhs, double **rowlow, double **rowup, int *maxrow) const
Reallocate vectors related to rows.
CoinLpIO::maxHash_
int maxHash_[2]
Maximum number of entries in a hash table section.
Definition: CoinLpIO.hpp:649
CoinLpIO::numberRows_
int numberRows_
Number of rows.
Definition: CoinLpIO.hpp:548
CoinLpIO
Class to read and write Lp files.
Definition: CoinLpIO.hpp:104
CoinLpIO::gutsOfDestructor
void gutsOfDestructor()
Does the heavy lifting for destruct and assignment.
CoinLpIO::messages
CoinMessages messages()
Return the messages.
Definition: CoinLpIO.hpp:527
CoinLpIO::checkColNames
void checkColNames()
Check that current column names are distinct.
CoinLpIO::setDecimals
void setDecimals(const int)
Set decimals.
CoinLpIO::is_sense
int is_sense(const char *buff) const
Return an integer indicating the inequality sense read.
CoinLpIO::freeAll
void freeAll()
Free all memory (except memory related to hash tables and objName_).
CoinLpIO::is_invalid_name
int is_invalid_name(const char *buff, const bool ranged) const
Return 0 if buff is a valid name for a row, a column or objective function, return a positive number ...
CoinLpIO::rowupper_
double * rowupper_
Pointer to dense vector of row upper bounds.
Definition: CoinLpIO.hpp:566
CoinLpIO::setInformation
CoinSet ** setInformation() const
Set information.
Definition: CoinLpIO.hpp:505
CoinLpIO::realloc_col
void realloc_col(double **collow, double **colup, char **is_int, int *maxcol) const
Reallocate vectors related to columns.
CoinLpIO::CoinLpIOUnitTest
friend void CoinLpIOUnitTest(const std::string &lpDir)
CoinLpIO::passInMessageHandler
void passInMessageHandler(CoinMessageHandler *handler)
Pass in Message handler.
CoinLpIO::getObjCoefficients
const double * getObjCoefficients() const
Get pointer to array[getNumCols()] of objective function coefficients.
CoinMessages
Class to hold and manipulate an array of massaged messages.
Definition: CoinMessageHandler.hpp:128
CoinPackedMatrix.hpp
CoinLpIO::is_keyword
int is_keyword(const char *buff) const
Return an integer indicating if one of the keywords &quot;Bounds&quot;, &quot;Integers&quot;, &quot;Generals&quot;, &quot;Binaries&quot;, &quot;Semi-continuous&quot;, &quot;Sos&quot;, &quot;End&quot;, or one of their variants has been read.
CoinLpIO::setNumberAcross
void setNumberAcross(const int)
Set numberAcross.
CoinLpIO::freePreviousNames
void freePreviousNames(const int section)
Free the vector previous_names_[section] and set card_previous_names_[section] to 0...
CoinLpIO::defaultHandler_
bool defaultHandler_
Flag to say if the message handler is the default handler.
Definition: CoinLpIO.hpp:543
CoinSet
Very simple class for containing data on set.
Definition: CoinMpsIO.hpp:221
CoinLpIO::CoinHashLink
Definition: CoinLpIO.hpp:642