Detailed Description

STO file reader - the stochastic information of an instance in SMPS format.

Author: Stephen J. Maher

Definition in file reader_sto.c.

#include "blockmemshell/memory.h"
#include "scip/benders_default.h"
#include "scip/cons_linear.h"
#include "scip/pub_cons.h"
#include "scip/pub_fileio.h"
#include "scip/pub_message.h"
#include "scip/pub_misc.h"
#include "scip/pub_reader.h"
#include "scip/pub_var.h"
#include "scip/reader_cor.h"
#include "scip/reader_sto.h"
#include "scip/reader_tim.h"
#include "scip/scip_cons.h"
#include "scip/scip_debug.h"
#include "scip/scipdefplugins.h"
#include "scip/scip_general.h"
#include "scip/scip_mem.h"
#include "scip/scip_message.h"
#include "scip/scip_numerics.h"
#include "scip/scip_param.h"
#include "scip/scip_prob.h"
#include "scip/scip_reader.h"
#include "scip/scip_var.h"
#include <stdlib.h>
#include <string.h>

Go to the source code of this file.

Data Structures
struct	StoScenario

struct	StoInput

Macros
#define	READER_NAME "storeader"

#define	READER_DESC "file reader for stochastic information of stochastic programs in the SMPS file format"

#define	READER_EXTENSION "sto"

#define	DEFAULT_USEBENDERS FALSE

#define	STO_MAX_LINELEN 1024

#define	STO_MAX_NAMELEN 256

#define	STO_DEFAULT_ARRAYSIZE 100

#define	STO_DEFAULT_ENTRIESSIZE 20

#define	STO_DEFAULT_BLOCKARRAYSIZE 5

#define	STO_DEFAULT_CHILDRENSIZE 5

#define	BLANK ' '

Functions
static SCIP_RETCODE	createScenarioData (SCIP scip, STOSCENARIO *scenariodata)

static SCIP_RETCODE	freeScenarioTree (SCIP scip, STOSCENARIO *scenariotree)

static void	setScenarioScip (STOSCENARIO scenario, SCIP scip)

static SCIP *	getScenarioScip (STOSCENARIO *scenario)

static SCIP_RETCODE	createScenarioSubproblemArray (SCIP scip, STOSCENARIO scenario)

static void	addScenarioSubproblem (STOSCENARIO scenario, SCIP subproblem)

static SCIP **	getScenarioSubproblemArray (STOSCENARIO *scenario)

static int	getScenarioNChildren (STOSCENARIO *scenario)

static STOSCENARIO *	getScenarioChild (STOSCENARIO *scenario, int childnum)

static STOSCENARIO *	getScenarioParent (STOSCENARIO *scenario)

static SCIP_RETCODE	setScenarioStageName (SCIP scip, STOSCENARIO scenario, const char *stagename)

static const char *	getScenarioStageName (SCIP scip, STOSCENARIO scenario)

static SCIP_RETCODE	setScenarioStageNum (SCIP scip, STOSCENARIO scenario, int stagenum)

static int	getScenarioStageNum (SCIP scip, STOSCENARIO scenario)

static SCIP_RETCODE	setScenarioName (SCIP scip, STOSCENARIO scenario, const char *name)

static const char *	getScenarioName (STOSCENARIO *scenario)

static SCIP_RETCODE	setScenarioNum (SCIP scip, STOSCENARIO scenario, int scenarionum)

static int	getScenarioNum (SCIP scip, STOSCENARIO scenario)

static SCIP_RETCODE	setScenarioProbability (SCIP scip, STOSCENARIO scenario, SCIP_Real probability)

static SCIP_Real	getScenarioProbability (SCIP scip, STOSCENARIO scenario)

static SCIP_RETCODE	setScenarioLowerbound (SCIP scip, STOSCENARIO scenario, SCIP_Real lowerbound)

static SCIP_Real	getScenarioLowerbound (SCIP scip, STOSCENARIO scenario)

static SCIP_RETCODE	addScenarioEntry (SCIP scip, STOSCENARIO scenario, const char rowname, const char colname, SCIP_Real value)

static int	getScenarioNEntries (STOSCENARIO *scenario)

static const char *	getScenarioEntryRow (STOSCENARIO *scenario, int entry)

static const char *	getScenarioEntryCol (STOSCENARIO *scenario, int entry)

static SCIP_Real	getScenarioEntryValue (STOSCENARIO *scenario, int entry)

static SCIP_RETCODE	copyScenario (SCIP scip, STOSCENARIO sourcescenario, STOSCENARIO **targetscenario, SCIP_Bool copyname)

static SCIP_RETCODE	mergeScenarios (SCIP scip, STOSCENARIO scenario1, STOSCENARIO **mergedscenario)

static SCIP_RETCODE	scenarioAddChild (SCIP scip, STOSCENARIO parent, STOSCENARIO child)

static SCIP_RETCODE	buildScenarioTree (SCIP scip, STOSCENARIO scenariotree, STOSCENARIO *scenarios, int numscenarios, int numstages, int stage)

static SCIP_RETCODE	addScenariosToReaderdata (SCIP scip, SCIP_READERDATA readerdata, STOSCENARIO **scenarios, int numscenarios, int numscenariostages)

static STOSCENARIO *	findScenarioInTree (STOSCENARIO scenariotree, const char scenname)

static SCIP_RETCODE	insertScenarioInReaderdata (SCIP scip, SCIP_READERDATA readerdata, STOSCENARIO scenario, char parentname)

static SCIP_RETCODE	buildScenariosFromBlocks (SCIP scip, STOSCENARIO blocks, STOSCENARIO scenarios, STOSCENARIO *blocksforscen, int numblocksforscen, int numblocks, int numblocksperblock, int numscenarios, int scenariossize, const char stage, int stagenum, int blocknum)

static SCIP_RETCODE	createScenariosFromBlocks (SCIP scip, SCIP_READERDATA readerdata, STOSCENARIO **blocks, int numblocks, int numblocksperblock, int numstages)

static SCIP_RETCODE	createReaderdata (SCIP scip, SCIP_READERDATA readerdata)

static SCIP_RETCODE	freeReaderdata (SCIP scip, SCIP_READERDATA readerdata)

static SCIP_RETCODE	stoinputCreate (SCIP scip, STOINPUT stoi, SCIP_FILE fp)

static void	stoinputFree (SCIP scip, STOINPUT *stoi)

static STOSECTION	stoinputSection (const STOINPUT *stoi)

static STOSTOCHINFO	stoinputStochInfoType (const STOINPUT *stoi)

static const char *	stoinputField0 (const STOINPUT *stoi)

static const char *	stoinputField1 (const STOINPUT *stoi)

static const char *	stoinputField2 (const STOINPUT *stoi)

static const char *	stoinputField3 (const STOINPUT *stoi)

static const char *	stoinputField4 (const STOINPUT *stoi)

static const char *	stoinputField5 (const STOINPUT *stoi)

static const char *	stoinputField6 (const STOINPUT *stoi)

static SCIP_Bool	stoinputHasError (const STOINPUT *stoi)

static void	stoinputSetSection (STOINPUT *stoi, STOSECTION section)

static void	stoinputSetStochInfoType (STOINPUT *stoi, STOSTOCHINFO stochinfotype)

static void	stoinputSetProbname (STOINPUT stoi, const char probname)

static void	stoinputSetStochtype (STOINPUT stoi, const char stochtype)

static void	stoinputSyntaxerror (STOINPUT *stoi)

static void	clearFrom (char *buf, unsigned int pos)

static SCIP_Bool	stoinputReadLine (STOINPUT *stoi)

static SCIP_RETCODE	readStoch (SCIP scip, STOINPUT stoi)

static SCIP_RETCODE	readBlocks (STOINPUT stoi, SCIP scip, SCIP_READERDATA *readerdata)

static SCIP_RETCODE	readScenarios (STOINPUT stoi, SCIP scip, SCIP_READERDATA *readerdata)

static SCIP_RETCODE	readIndep (STOINPUT stoi, SCIP scip, SCIP_READERDATA *readerdata)

static SCIP_Real	computeScenarioProbability (SCIP scip, STOSCENARIO scenario)

static void	getScenarioEntityName (char name, const char varname, int stagenum, int scenarionum)

static SCIP_RETCODE	addScenarioVarsToProb (SCIP scip, STOSCENARIO scenario, SCIP_HASHMAP varmap, SCIP_VAR *vars, int nvars)

static SCIP_RETCODE	findScenarioVar (SCIP scip, STOSCENARIO scenario, SCIP_VAR consvar, SCIP_VAR *scenariovar)

static SCIP_RETCODE	getScenarioDecompVar (SCIP scip, STOSCENARIO scenario, SCIP_VAR consvar, SCIP_VAR scenariovar, SCIP_Bool varadded)

static SCIP_RETCODE	addScenarioConsToProb (SCIP scip, SCIP scenarioscip, STOSCENARIO scenario, SCIP_HASHMAP varmap, SCIP_CONS **conss, int nconss, SCIP_Bool decomp)

static SCIP_RETCODE	addScenarioVarsAndConsToProb (SCIP scip, STOSCENARIO scenario, SCIP_Bool decomp)

static SCIP_RETCODE	removeCoreVariablesAndConstraints (SCIP *scip)

static SCIP_RETCODE	buildFullProblem (SCIP scip, SCIP_READERDATA readerdata)

static SCIP_RETCODE	buildDecompProblem (SCIP scip, SCIP_READERDATA readerdata)

static SCIP_RETCODE	readSto (SCIP scip, const char filename, SCIP_READERDATA *readerdata)

static	SCIP_DECL_READERCOPY (readerCopySto)

static	SCIP_DECL_READERFREE (readerFreeSto)

static	SCIP_DECL_READERREAD (readerReadSto)

SCIP_RETCODE	SCIPincludeReaderSto (SCIP *scip)

SCIP_RETCODE	SCIPreadSto (SCIP scip, const char filename, SCIP_RESULT *result)

int	SCIPstoGetNScenarios (SCIP *scip)

Macro Definition Documentation

◆ READER_NAME

#define READER_NAME "storeader"

Definition at line 60 of file reader_sto.c.

◆ READER_DESC

#define READER_DESC "file reader for stochastic information of stochastic programs in the SMPS file format"

Definition at line 61 of file reader_sto.c.

◆ READER_EXTENSION

#define READER_EXTENSION "sto"

Definition at line 62 of file reader_sto.c.

◆ DEFAULT_USEBENDERS

#define DEFAULT_USEBENDERS FALSE

should Benders' decomposition be used for the stochastic program?

Definition at line 64 of file reader_sto.c.

Referenced by SCIPincludeReaderScflp(), and SCIPincludeReaderSto().

◆ STO_MAX_LINELEN

#define STO_MAX_LINELEN 1024

Definition at line 70 of file reader_sto.c.

Referenced by stoinputReadLine().

◆ STO_MAX_NAMELEN

#define STO_MAX_NAMELEN 256

Definition at line 71 of file reader_sto.c.

Referenced by stoinputSetProbname(), and stoinputSetStochtype().

◆ STO_DEFAULT_ARRAYSIZE

#define STO_DEFAULT_ARRAYSIZE 100

Definition at line 73 of file reader_sto.c.

Referenced by readBlocks(), and readIndep().

◆ STO_DEFAULT_ENTRIESSIZE

#define STO_DEFAULT_ENTRIESSIZE 20

Definition at line 74 of file reader_sto.c.

Referenced by createScenarioData().

◆ STO_DEFAULT_BLOCKARRAYSIZE

#define STO_DEFAULT_BLOCKARRAYSIZE 5

Definition at line 75 of file reader_sto.c.

Referenced by createScenariosFromBlocks(), readBlocks(), and readIndep().

◆ STO_DEFAULT_CHILDRENSIZE

#define STO_DEFAULT_CHILDRENSIZE 5

Definition at line 76 of file reader_sto.c.

Referenced by createScenarioData().

◆ BLANK

#define BLANK ' '

Definition at line 78 of file reader_sto.c.

Typedef Documentation

◆ STOSCENARIO

typedef struct StoScenario STOSCENARIO

Definition at line 80 of file reader_sto.c.

◆ STOSECTION

typedef enum StoSection STOSECTION

Definition at line 125 of file reader_sto.c.

◆ STOSTOCHINFO

typedef enum StoStochInfo STOSTOCHINFO

Definition at line 137 of file reader_sto.c.

◆ STOINPUT

typedef struct StoInput STOINPUT

Definition at line 158 of file reader_sto.c.

Enumeration Type Documentation

◆ StoSection

enum StoSection

enum containing all sto sections

Enumerator
STO_STOCH
STO_SCENARIOS
STO_BLOCKS
STO_INDEP
STO_ENDATA

Definition at line 117 of file reader_sto.c.

◆ StoStochInfo

enum StoStochInfo

enum containing the types of stochastic information

Enumerator
STO_STOCHINFO_NONE
STO_STOCHINFO_DISCRETE
STO_STOCHINFO_UNIFORM
STO_STOCHINFO_NORMAL
STO_STOCHINFO_SUB
STO_STOCHINFO_LINTR

Definition at line 128 of file reader_sto.c.

Function Documentation

◆ createScenarioData()

static SCIP_RETCODE createScenarioData	(	SCIP *	scip,
		STOSCENARIO **	scenariodata )

static

creates a scenario structure

Parameters

scip	SCIP data structure
scenariodata	the scenario to be created

Definition at line 162 of file reader_sto.c.

References assert(), NULL, SCIP_CALL, SCIP_OKAY, SCIPallocBlockMemory, SCIPallocBlockMemoryArray, SCIPdebugMessage, SCIPinfinity(), STO_DEFAULT_CHILDRENSIZE, and STO_DEFAULT_ENTRIESSIZE.

Referenced by buildScenariosFromBlocks(), createReaderdata(), readBlocks(), readIndep(), readScenarios(), and scenarioAddChild().

◆ freeScenarioTree()

static SCIP_RETCODE freeScenarioTree	(	SCIP *	scip,
		STOSCENARIO **	scenariotree )

static

frees the memory used for the scenario tree

Parameters

scip	the SCIP data structure
scenariotree	the scenario tree

Definition at line 198 of file reader_sto.c.

References assert(), freeScenarioTree(), i, NULL, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, SCIPfree(), SCIPfreeBlockMemory, and SCIPfreeBlockMemoryArray.

Referenced by createScenariosFromBlocks(), freeReaderdata(), freeScenarioTree(), readBlocks(), readIndep(), and readScenarios().

◆ setScenarioScip()

static void setScenarioScip	(	STOSCENARIO *	scenario,
		SCIP *	scip )

static

sets the SCIP pointer to the scenario

Parameters

scenario	the scenario
scip	the SCIP data structure

Definition at line 251 of file reader_sto.c.

References assert(), NULL, and StoScenario::scip.

Referenced by addScenarioVarsAndConsToProb(), and buildDecompProblem().

◆ getScenarioScip()

static SCIP * getScenarioScip ( STOSCENARIO * scenario )

static

returns the SCIP pointer to the scenario

Parameters

scenario the scenario

Definition at line 264 of file reader_sto.c.

References assert(), NULL, and StoScenario::scip.

Referenced by addScenarioVarsAndConsToProb(), buildDecompProblem(), and getScenarioDecompVar().

◆ createScenarioSubproblemArray()

static SCIP_RETCODE createScenarioSubproblemArray	(	SCIP *	scip,
		STOSCENARIO *	scenario )

static

creates the subproblem array. This array will be the same size as the number of children

Parameters

scip	the SCIP data structure
scenario	the scenario

Definition at line 275 of file reader_sto.c.

References assert(), StoScenario::nchildren, NULL, SCIP_CALL, SCIP_OKAY, SCIPallocBlockMemoryArray, and StoScenario::subproblems.

Referenced by addScenarioVarsAndConsToProb(), and buildDecompProblem().

◆ addScenarioSubproblem()

static void addScenarioSubproblem	(	STOSCENARIO *	scenario,
		SCIP *	subproblem )

static

adds a scenario to the subproblem array

Parameters

scenario	the scenario
subproblem	the subproblems data structure

Definition at line 290 of file reader_sto.c.

References assert(), StoScenario::nchildren, StoScenario::nsubproblems, NULL, and StoScenario::subproblems.

Referenced by addScenarioVarsAndConsToProb(), and buildDecompProblem().

◆ getScenarioSubproblemArray()

static SCIP ** getScenarioSubproblemArray ( STOSCENARIO * scenario )

static

returns the subproblem array for the scenario

Parameters

scenario the scenario

Definition at line 306 of file reader_sto.c.

References assert(), NULL, and StoScenario::subproblems.

Referenced by addScenarioVarsAndConsToProb(), and buildDecompProblem().

◆ getScenarioNChildren()

static int getScenarioNChildren ( STOSCENARIO * scenario )

static

returns the number of children for a given scenario

Parameters

scenario the scenario

Definition at line 317 of file reader_sto.c.

References assert(), StoScenario::nchildren, and NULL.

Referenced by addScenarioVarsAndConsToProb(), buildDecompProblem(), buildFullProblem(), buildScenarioTree(), and findScenarioInTree().

◆ getScenarioChild()

static STOSCENARIO * getScenarioChild	(	STOSCENARIO *	scenario,
		int	childnum )

static

returns a given child for a given scenario

Parameters

scenario	the scenario
childnum	the number of the desired child

Definition at line 328 of file reader_sto.c.

References assert(), StoScenario::children, and NULL.

Referenced by addScenarioVarsAndConsToProb(), buildDecompProblem(), buildFullProblem(), and buildScenarioTree().

◆ getScenarioParent()

static STOSCENARIO * getScenarioParent ( STOSCENARIO * scenario )

static

returns the parent of a scenario

Parameters

scenario the scenario

Definition at line 341 of file reader_sto.c.

References assert(), NULL, and StoScenario::parent.

Referenced by computeScenarioProbability(), findScenarioVar(), and getScenarioDecompVar().

◆ setScenarioStageName()

static SCIP_RETCODE setScenarioStageName	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		const char *	stagename )

static

sets the stage name

Parameters

scip	the SCIP data structure
scenario	the scenario
stagename	the stage name

Definition at line 352 of file reader_sto.c.

References assert(), NULL, SCIP_CALL, SCIP_OKAY, SCIPduplicateBlockMemoryArray, and StoScenario::stagename.

Referenced by buildScenariosFromBlocks(), copyScenario(), createReaderdata(), readBlocks(), readIndep(), and readScenarios().

◆ getScenarioStageName()

static const char * getScenarioStageName	(	SCIP *	scip,
		STOSCENARIO *	scenario )

static

returns the stage name

Parameters

scip	the SCIP data structure
scenario	the scenario

Definition at line 368 of file reader_sto.c.

References assert(), NULL, and StoScenario::stagename.

Referenced by addScenarioVarsAndConsToProb(), buildScenariosFromBlocks(), buildScenarioTree(), and createScenariosFromBlocks().

◆ setScenarioStageNum()

static SCIP_RETCODE setScenarioStageNum	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		int	stagenum )

static

sets the stage num

Parameters

scip	the SCIP data structure
scenario	the scenario
stagenum	the stage num

Definition at line 381 of file reader_sto.c.

References assert(), NULL, SCIP_OKAY, and StoScenario::stagenum.

Referenced by buildScenariosFromBlocks(), copyScenario(), createScenariosFromBlocks(), and readScenarios().

◆ getScenarioStageNum()

static int getScenarioStageNum	(	SCIP *	scip,
		STOSCENARIO *	scenario )

static

returns the stage num

Parameters

scip	the SCIP data structure
scenario	the scenario

Definition at line 397 of file reader_sto.c.

References assert(), NULL, and StoScenario::stagenum.

Referenced by addScenarioConsToProb(), addScenarioVarsAndConsToProb(), addScenarioVarsToProb(), findScenarioVar(), and getScenarioDecompVar().

◆ setScenarioName()

static SCIP_RETCODE setScenarioName	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		const char *	name )

static

sets the scenario name

Parameters

scip	the SCIP data structure
scenario	the scenario
name	the scenario name

Definition at line 410 of file reader_sto.c.

References assert(), StoScenario::name, NULL, SCIP_CALL, SCIP_OKAY, and SCIPduplicateBlockMemoryArray.

Referenced by buildScenariosFromBlocks(), copyScenario(), createReaderdata(), readBlocks(), readIndep(), and readScenarios().

◆ getScenarioName()

static const char * getScenarioName ( STOSCENARIO * scenario )

static

returns the scenario name

Parameters

scenario the scenario

Definition at line 426 of file reader_sto.c.

References assert(), StoScenario::name, and NULL.

Referenced by findScenarioInTree(), readBlocks(), and readIndep().

◆ setScenarioNum()

static SCIP_RETCODE setScenarioNum	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		int	scenarionum )

static

sets the scenario num

Parameters

scip	the SCIP data structure
scenario	the scenario
scenarionum	the scenario num

Definition at line 437 of file reader_sto.c.

References assert(), NULL, StoScenario::scenarionum, and SCIP_OKAY.

Referenced by buildScenariosFromBlocks(), copyScenario(), createScenariosFromBlocks(), and readScenarios().

◆ getScenarioNum()

static int getScenarioNum	(	SCIP *	scip,
		STOSCENARIO *	scenario )

static

returns the scenario num

Parameters

scip	the SCIP data structure
scenario	the scenario

Definition at line 453 of file reader_sto.c.

References assert(), NULL, and StoScenario::scenarionum.

Referenced by addScenarioConsToProb(), addScenarioVarsAndConsToProb(), addScenarioVarsToProb(), findScenarioVar(), and getScenarioDecompVar().

◆ setScenarioProbability()

static SCIP_RETCODE setScenarioProbability	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		SCIP_Real	probability )

static

sets the scenario probability

Parameters

scip	the SCIP data structure
scenario	the scenario
probability	the scenario probability

Definition at line 466 of file reader_sto.c.

References assert(), NULL, StoScenario::probability, SCIP_OKAY, and SCIP_Real.

Referenced by copyScenario(), mergeScenarios(), readBlocks(), readIndep(), and readScenarios().

◆ getScenarioProbability()

static SCIP_Real getScenarioProbability	(	SCIP *	scip,
		STOSCENARIO *	scenario )

static

returns the scenario probability

Parameters

scip	the SCIP data structure
scenario	the scenario

Definition at line 482 of file reader_sto.c.

References assert(), NULL, StoScenario::probability, and SCIP_Real.

Referenced by computeScenarioProbability(), copyScenario(), and mergeScenarios().

◆ setScenarioLowerbound()

static SCIP_RETCODE setScenarioLowerbound	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		SCIP_Real	lowerbound )

static

sets the scenario lowerbound

Parameters

scip	the SCIP data structure
scenario	the scenario
lowerbound	the scenario lowerbound

Definition at line 495 of file reader_sto.c.

References assert(), StoScenario::lowerbound, NULL, SCIP_OKAY, and SCIP_Real.

Referenced by copyScenario(), and readScenarios().

◆ getScenarioLowerbound()

static SCIP_Real getScenarioLowerbound	(	SCIP *	scip,
		STOSCENARIO *	scenario )

static

returns the scenario lowerbound

Parameters

scip	the SCIP data structure
scenario	the scenario

Definition at line 511 of file reader_sto.c.

References assert(), StoScenario::lowerbound, NULL, and SCIP_Real.

Referenced by addScenarioVarsAndConsToProb(), buildDecompProblem(), and copyScenario().

◆ addScenarioEntry()

static SCIP_RETCODE addScenarioEntry	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		const char *	rowname,
		const char *	colname,
		SCIP_Real	value )

static

add scenario entry

Parameters

scip	the SCIP data structure
scenario	the scenario
rowname	the row name for the entry
colname	the col name for the entry
value	the value for the entry

Definition at line 524 of file reader_sto.c.

References assert(), StoScenario::colnames, StoScenario::entriessize, StoScenario::nentries, NULL, StoScenario::rownames, SCIP_CALL, SCIP_OKAY, SCIP_Real, SCIPcalcMemGrowSize(), SCIPduplicateBlockMemoryArray, SCIPreallocBlockMemoryArray, and StoScenario::values.

Referenced by copyScenario(), mergeScenarios(), readBlocks(), readIndep(), and readScenarios().

◆ getScenarioNEntries()

static int getScenarioNEntries ( STOSCENARIO * scenario )

static

returns the number of entries for a scenario

Parameters

scenario the scenario

Definition at line 556 of file reader_sto.c.

References assert(), StoScenario::nentries, and NULL.

Referenced by addScenarioVarsAndConsToProb().

◆ getScenarioEntryRow()

static const char * getScenarioEntryRow	(	STOSCENARIO *	scenario,
		int	entry )

static

returns an entry row for a scenario

Parameters

scenario	the scenario
entry	the entry number

Definition at line 567 of file reader_sto.c.

References assert(), NULL, and StoScenario::rownames.

Referenced by addScenarioVarsAndConsToProb().

◆ getScenarioEntryCol()

static const char * getScenarioEntryCol	(	STOSCENARIO *	scenario,
		int	entry )

static

returns an entry column for a scenario

Parameters

scenario	the scenario
entry	the entry number

Definition at line 580 of file reader_sto.c.

References assert(), StoScenario::colnames, and NULL.

Referenced by addScenarioVarsAndConsToProb().

◆ getScenarioEntryValue()

static SCIP_Real getScenarioEntryValue	(	STOSCENARIO *	scenario,
		int	entry )

static

returns an entry value for a scenario

Parameters

scenario	the scenario
entry	the entry number

Definition at line 593 of file reader_sto.c.

References assert(), NULL, SCIP_Real, and StoScenario::values.

Referenced by addScenarioVarsAndConsToProb().

◆ copyScenario()

static SCIP_RETCODE copyScenario	(	SCIP *	scip,
		STOSCENARIO *	sourcescenario,
		STOSCENARIO **	targetscenario,
		SCIP_Bool	copyname )

static

copies a scenario. In the case of blocks, the scenarios must be combined

Parameters

scip	the SCIP data structure
sourcescenario	the source scenario
targetscenario	the target scenario
copyname	should the name be copied?

Definition at line 608 of file reader_sto.c.

References addScenarioEntry(), assert(), StoScenario::colnames, getScenarioLowerbound(), getScenarioProbability(), i, StoScenario::name, StoScenario::nentries, NULL, StoScenario::rownames, StoScenario::scenarionum, SCIP_Bool, SCIP_CALL, SCIP_OKAY, SCIP_Real, setScenarioLowerbound(), setScenarioName(), setScenarioNum(), setScenarioProbability(), setScenarioStageName(), setScenarioStageNum(), StoScenario::stagename, StoScenario::stagenum, and StoScenario::values.

Referenced by buildScenariosFromBlocks(), and scenarioAddChild().

◆ mergeScenarios()

static SCIP_RETCODE mergeScenarios	(	SCIP *	scip,
		STOSCENARIO *	scenario1,
		STOSCENARIO **	mergedscenario )

static

merge scenarios. In the case of blocks, the scenarios must be combined

Parameters

scip	the SCIP data structure
scenario1	the first scenario
mergedscenario	the merged scenario

Definition at line 651 of file reader_sto.c.

References addScenarioEntry(), assert(), StoScenario::colnames, getScenarioProbability(), i, StoScenario::nentries, NULL, StoScenario::rownames, SCIP_CALL, SCIP_OKAY, SCIP_Real, setScenarioProbability(), and StoScenario::values.

Referenced by buildScenariosFromBlocks().

◆ scenarioAddChild()

static SCIP_RETCODE scenarioAddChild	(	SCIP *	scip,
		STOSCENARIO **	parent,
		STOSCENARIO *	child )

static

adds a child to a given scenario

Parameters

scip	the SCIP data structure
parent	the parent scenario
child	the child scenario

Definition at line 678 of file reader_sto.c.

References assert(), StoScenario::children, copyScenario(), createScenarioData(), StoScenario::nchildren, NULL, StoScenario::parent, SCIP_CALL, SCIP_OKAY, SCIPensureBlockMemoryArray, and TRUE.

Referenced by buildScenarioTree(), and insertScenarioInReaderdata().

◆ buildScenarioTree()

static SCIP_RETCODE buildScenarioTree	(	SCIP *	scip,
		STOSCENARIO **	scenariotree,
		STOSCENARIO ***	scenarios,
		int *	numscenarios,
		int	numstages,
		int	stage )

static

recursively adds the scenarios to the reader data

Parameters

scip	the SCIP data structure
scenariotree	the scenario tree
scenarios	the array of scenarios
numscenarios	the number of scenarios per stage
numstages	the number of stages
stage	the number of the stage. Also the depth of the tree

Definition at line 706 of file reader_sto.c.

References assert(), buildScenarioTree(), getScenarioChild(), getScenarioNChildren(), getScenarioStageName(), i, NULL, scenarioAddChild(), SCIP_CALL, SCIP_OKAY, and SCIPtimGetStageName().

Referenced by addScenariosToReaderdata(), and buildScenarioTree().

◆ addScenariosToReaderdata()

static SCIP_RETCODE addScenariosToReaderdata	(	SCIP *	scip,
		SCIP_READERDATA *	readerdata,
		STOSCENARIO ***	scenarios,
		int *	numscenarios,
		int	numscenariostages )

static

Parameters

scip	the SCIP data structure
readerdata	the reader data
scenarios	the array of scenarios
numscenarios	the number of scenarios per stage
numscenariostages	the number of stages for which scenarios were collected

Definition at line 752 of file reader_sto.c.

References assert(), buildScenarioTree(), i, NULL, SCIP_CALL, SCIP_OKAY, and SCIPtimGetNStages().

Referenced by createScenariosFromBlocks().

◆ findScenarioInTree()

static STOSCENARIO * findScenarioInTree	(	STOSCENARIO *	scenariotree,
		const char *	scenname )

static

finds a scenario with a given name

Parameters

scenariotree	the scenario tree to search
scenname	the name of the scenario to search

Definition at line 779 of file reader_sto.c.

References StoScenario::children, findScenarioInTree(), getScenarioName(), getScenarioNChildren(), i, and NULL.

Referenced by findScenarioInTree(), and insertScenarioInReaderdata().

◆ insertScenarioInReaderdata()

static SCIP_RETCODE insertScenarioInReaderdata	(	SCIP *	scip,
		SCIP_READERDATA *	readerdata,
		STOSCENARIO *	scenario,
		char *	parentname )

static

inserts a scenario into the reader data scenario tree

Parameters

scip	the SCIP data structure
readerdata	the reader data
scenario	the scenario to insert in the scenario tree
parentname	the parent scenario for the inserting scenario

Definition at line 806 of file reader_sto.c.

References assert(), findScenarioInTree(), NULL, scenarioAddChild(), SCIP_CALL, and SCIP_OKAY.

Referenced by readScenarios().

◆ buildScenariosFromBlocks()

static SCIP_RETCODE buildScenariosFromBlocks	(	SCIP *	scip,
		STOSCENARIO ***	blocks,
		STOSCENARIO ***	scenarios,
		STOSCENARIO ***	blocksforscen,
		int *	numblocksforscen,
		int	numblocks,
		int *	numblocksperblock,
		int *	numscenarios,
		int *	scenariossize,
		const char *	stage,
		int	stagenum,
		int	blocknum )

static

Parameters

scip	the SCIP data structure
blocks	the block that form the scenarios
scenarios	the array to store the scenarios
blocksforscen	the blocks that will form the scenario
numblocksforscen	the number of blocks that form the scenario
numblocks	the number of blocks
numblocksperblock	the number of blocks for a given block
numscenarios	the number of scenarios
scenariossize	the size of scenarios array
stage	the stage for this scenario
stagenum	the number of the stage
blocknum	the block number

Definition at line 833 of file reader_sto.c.

References assert(), buildScenariosFromBlocks(), copyScenario(), createScenarioData(), FALSE, getScenarioStageName(), i, mergeScenarios(), NULL, SCIP_Bool, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIPcalcMemGrowSize(), SCIPreallocBlockMemoryArray, SCIPsnprintf(), setScenarioName(), setScenarioNum(), setScenarioStageName(), setScenarioStageNum(), and TRUE.

Referenced by buildScenariosFromBlocks(), and createScenariosFromBlocks().

◆ createScenariosFromBlocks()

static SCIP_RETCODE createScenariosFromBlocks	(	SCIP *	scip,
		SCIP_READERDATA *	readerdata,
		STOSCENARIO ***	blocks,
		int	numblocks,
		int *	numblocksperblock,
		int	numstages )

static

Parameters

scip	the SCIP data structure
readerdata	the reader data
blocks	the block that form the scenarios
numblocks	the number of blocks
numblocksperblock	the number of blocks for each block type
numstages	the number of stages

Definition at line 930 of file reader_sto.c.

References addScenariosToReaderdata(), assert(), buildScenariosFromBlocks(), freeScenarioTree(), getScenarioStageName(), i, NULL, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIPallocBlockMemoryArray, SCIPallocBufferArray, SCIPfreeBlockMemoryArray, SCIPfreeBufferArray, SCIPsnprintf(), setScenarioNum(), setScenarioStageNum(), and STO_DEFAULT_BLOCKARRAYSIZE.

Referenced by readBlocks(), and readIndep().

◆ createReaderdata()

static SCIP_RETCODE createReaderdata	(	SCIP *	scip,
		SCIP_READERDATA *	readerdata )

static

creates the reader data

Parameters

scip	SCIP data structure
readerdata	the reader data

Definition at line 1006 of file reader_sto.c.

References assert(), createScenarioData(), NULL, SCIP_CALL, SCIP_OKAY, SCIPtimGetStageName(), setScenarioName(), and setScenarioStageName().

Referenced by readSto().

◆ freeReaderdata()

static SCIP_RETCODE freeReaderdata	(	SCIP *	scip,
		SCIP_READERDATA *	readerdata )

static

frees the reader data

Parameters

scip	the SCIP data structure
readerdata	the reader data

Definition at line 1026 of file reader_sto.c.

References assert(), freeScenarioTree(), NULL, SCIP_CALL, SCIP_OKAY, and SCIPfreeBlockMemory.

Referenced by SCIP_DECL_READERFREE().

◆ stoinputCreate()

static SCIP_RETCODE stoinputCreate	(	SCIP *	scip,
		STOINPUT **	stoi,
		SCIP_FILE *	fp )

static

creates the sto input structure

Parameters

scip	SCIP data structure
stoi	sto input structure
fp	file object for the input file

Definition at line 1045 of file reader_sto.c.

References assert(), FALSE, StoInput::fp, NULL, SCIP_CALL, SCIP_OKAY, SCIPallocBlockMemory, STO_STOCH, and STO_STOCHINFO_NONE.

Referenced by readSto().

◆ stoinputFree()

static void stoinputFree	(	SCIP *	scip,
		STOINPUT **	stoi )

static

free the sto input structure

Parameters

scip	SCIP data structure
stoi	sto input structure

Definition at line 1077 of file reader_sto.c.

References SCIPfreeBlockMemory.

Referenced by readSto().

◆ stoinputSection()

static STOSECTION stoinputSection ( const STOINPUT * stoi )

static

returns the current section

Parameters

stoi	sto input structure

Definition at line 1087 of file reader_sto.c.

References assert(), NULL, and StoInput::section.

Referenced by readSto().

◆ stoinputStochInfoType()

static STOSTOCHINFO stoinputStochInfoType ( const STOINPUT * stoi )

static

returns the stochastic information type

Parameters

stoi	sto input structure

Definition at line 1098 of file reader_sto.c.

References assert(), NULL, and StoInput::stochinfotype.

Referenced by readSto().

◆ stoinputField0()

static const char * stoinputField0 ( const STOINPUT * stoi )

static

return the current value of field 0

Parameters

stoi	sto input structure

Definition at line 1109 of file reader_sto.c.

References assert(), StoInput::f0, and NULL.

Referenced by readBlocks(), readIndep(), readScenarios(), and readStoch().

◆ stoinputField1()

static const char * stoinputField1 ( const STOINPUT * stoi )

static

return the current value of field 1

Parameters

stoi	sto input structure

Definition at line 1120 of file reader_sto.c.

References assert(), StoInput::f1, and NULL.

Referenced by readBlocks(), readIndep(), readScenarios(), and readStoch().

◆ stoinputField2()

static const char * stoinputField2 ( const STOINPUT * stoi )

static

return the current value of field 2

Parameters

stoi	sto input structure

Definition at line 1131 of file reader_sto.c.

References assert(), StoInput::f2, and NULL.

Referenced by readBlocks(), readIndep(), and readScenarios().

◆ stoinputField3()

static const char * stoinputField3 ( const STOINPUT * stoi )

static

return the current value of field 3

Parameters

stoi	sto input structure

Definition at line 1142 of file reader_sto.c.

References assert(), StoInput::f3, and NULL.

Referenced by readBlocks(), readIndep(), and readScenarios().

◆ stoinputField4()

static const char * stoinputField4 ( const STOINPUT * stoi )

static

return the current value of field 4

Parameters

stoi	sto input structure

Definition at line 1153 of file reader_sto.c.

References assert(), StoInput::f4, and NULL.

Referenced by readBlocks(), readIndep(), and readScenarios().

◆ stoinputField5()

static const char * stoinputField5 ( const STOINPUT * stoi )

static

return the current value of field 5

Parameters

stoi	sto input structure

Definition at line 1164 of file reader_sto.c.

References assert(), StoInput::f5, and NULL.

Referenced by readIndep(), and readScenarios().

◆ stoinputField6()

static const char * stoinputField6 ( const STOINPUT * stoi )

static

return the current value of field 6

Parameters

stoi	sto input structure

Definition at line 1175 of file reader_sto.c.

References assert(), StoInput::f6, and NULL.

Referenced by readScenarios().

◆ stoinputHasError()

static SCIP_Bool stoinputHasError ( const STOINPUT * stoi )

static

returns if an error was detected

Parameters

stoi	sto input structure

Definition at line 1186 of file reader_sto.c.

References assert(), StoInput::haserror, NULL, and SCIP_Bool.

Referenced by readSto().

◆ stoinputSetSection()

static void stoinputSetSection	(	STOINPUT *	stoi,
		STOSECTION	section )

static

set the section in the sto input structure to given section

Parameters

stoi	sto input structure
section	section that is set

Definition at line 1197 of file reader_sto.c.

References assert(), NULL, and StoInput::section.

Referenced by readBlocks(), readIndep(), readScenarios(), and readStoch().

◆ stoinputSetStochInfoType()

static void stoinputSetStochInfoType	(	STOINPUT *	stoi,
		STOSTOCHINFO	stochinfotype )

static

set the stochastic info type in the sto input structure

Parameters

stoi	sto input structure
stochinfotype	the stochastic infomation type

Definition at line 1209 of file reader_sto.c.

References assert(), NULL, and StoInput::stochinfotype.

Referenced by readStoch().

◆ stoinputSetProbname()

static void stoinputSetProbname	(	STOINPUT *	stoi,
		const char *	probname )

static

set the problem name in the sto input structure to given problem name

Parameters

stoi	sto input structure
probname	name of the problem to set

Definition at line 1221 of file reader_sto.c.

References assert(), NULL, StoInput::probname, SCIPmemccpy(), and STO_MAX_NAMELEN.

Referenced by readStoch().

◆ stoinputSetStochtype()

static void stoinputSetStochtype	(	STOINPUT *	stoi,
		const char *	stochtype )

static

set the type name in the sto input structure to given objective name

Parameters

stoi	sto input structure
stochtype	name of the scenario type

Definition at line 1235 of file reader_sto.c.

References assert(), NULL, SCIPmemccpy(), STO_MAX_NAMELEN, and StoInput::stochtype.

Referenced by readBlocks(), readIndep(), and readScenarios().

◆ stoinputSyntaxerror()

static void stoinputSyntaxerror ( STOINPUT * stoi )

static

Parameters

stoi	sto input structure

Definition at line 1248 of file reader_sto.c.

References assert(), StoInput::haserror, StoInput::lineno, NULL, SCIPerrorMessage, StoInput::section, STO_ENDATA, and TRUE.

Referenced by readBlocks(), readIndep(), readScenarios(), readSto(), and readStoch().

◆ clearFrom()

static void clearFrom	(	char *	buf,
		unsigned int	pos )

static

fill the line from pos up to column 80 with blanks.

Parameters

buf	buffer to clear
pos	position to start the clearing process

Definition at line 1261 of file reader_sto.c.

References BLANK, StoInput::buf, and i.

Referenced by stoinputReadLine().

◆ stoinputReadLine()

static SCIP_Bool stoinputReadLine ( STOINPUT * stoi )

static

read a sto format data line and parse the fields.

Parameters

stoi	sto input structure

Definition at line 1275 of file reader_sto.c.

References assert(), BLANK, StoInput::buf, clearFrom(), StoInput::f0, StoInput::f1, StoInput::f2, StoInput::f3, StoInput::f4, StoInput::f5, StoInput::f6, FALSE, StoInput::fp, i, StoInput::lineno, NULL, SCIP_Bool, SCIPdebugMessage, SCIPfgets(), SCIPstrtok(), STO_MAX_LINELEN, and TRUE.

Referenced by readBlocks(), readIndep(), readScenarios(), and readStoch().

◆ readStoch()

static SCIP_RETCODE readStoch	(	SCIP *	scip,
		STOINPUT *	stoi )

static

Process STOCH section.

Parameters

scip	SCIP data structure
stoi	sto input structure

Definition at line 1384 of file reader_sto.c.

References assert(), NULL, SCIP_OKAY, SCIPdebugMsg, STO_BLOCKS, STO_INDEP, STO_SCENARIOS, STO_STOCHINFO_DISCRETE, STO_STOCHINFO_LINTR, STO_STOCHINFO_NORMAL, STO_STOCHINFO_SUB, STO_STOCHINFO_UNIFORM, stoinputField0(), stoinputField1(), stoinputReadLine(), stoinputSetProbname(), stoinputSetSection(), stoinputSetStochInfoType(), and stoinputSyntaxerror().

Referenced by readSto().

◆ readBlocks()

static SCIP_RETCODE readBlocks	(	STOINPUT *	stoi,
		SCIP *	scip,
		SCIP_READERDATA *	readerdata )

static

Process BLOCKS section.

Parameters

stoi	sto input structure
scip	SCIP data structure
readerdata	the reader data

Definition at line 1446 of file reader_sto.c.

References addScenarioEntry(), createScenarioData(), createScenariosFromBlocks(), FALSE, freeScenarioTree(), getScenarioName(), i, NULL, SCIP_Bool, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIPallocBlockMemoryArray, SCIPcalcMemGrowSize(), SCIPdebugMsg, SCIPerrorMessage, SCIPfreeBlockMemoryArray, SCIPreallocBlockMemoryArray, SCIPsnprintf(), setScenarioName(), setScenarioProbability(), setScenarioStageName(), STO_BLOCKS, STO_DEFAULT_ARRAYSIZE, STO_DEFAULT_BLOCKARRAYSIZE, STO_ENDATA, stoinputField0(), stoinputField1(), stoinputField2(), stoinputField3(), stoinputField4(), stoinputReadLine(), stoinputSetSection(), stoinputSetStochtype(), stoinputSyntaxerror(), and TRUE.

Referenced by readSto().

◆ readScenarios()

static SCIP_RETCODE readScenarios	(	STOINPUT *	stoi,
		SCIP *	scip,
		SCIP_READERDATA *	readerdata )

static

Process SCENARIOS section.

Parameters

stoi	sto input structure
scip	SCIP data structure
readerdata	the reader data

Definition at line 1611 of file reader_sto.c.

References addScenarioEntry(), assert(), createScenarioData(), FALSE, freeScenarioTree(), insertScenarioInReaderdata(), NULL, SCIP_Bool, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIPdebugMsg, SCIPerrorMessage, SCIPsnprintf(), SCIPtimFindStage(), setScenarioLowerbound(), setScenarioName(), setScenarioNum(), setScenarioProbability(), setScenarioStageName(), setScenarioStageNum(), STO_ENDATA, STO_SCENARIOS, stoinputField0(), stoinputField1(), stoinputField2(), stoinputField3(), stoinputField4(), stoinputField5(), stoinputField6(), stoinputReadLine(), stoinputSetSection(), stoinputSetStochtype(), stoinputSyntaxerror(), and TRUE.

Referenced by readSto().

◆ readIndep()

static SCIP_RETCODE readIndep	(	STOINPUT *	stoi,
		SCIP *	scip,
		SCIP_READERDATA *	readerdata )

static

Process INDEP section.

Parameters

stoi	sto input structure
scip	SCIP data structure
readerdata	the reader data

Definition at line 1754 of file reader_sto.c.

References addScenarioEntry(), createScenarioData(), createScenariosFromBlocks(), FALSE, freeScenarioTree(), getScenarioName(), i, NULL, SCIP_Bool, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIPallocBlockMemoryArray, SCIPcalcMemGrowSize(), SCIPdebugMsg, SCIPfreeBlockMemoryArray, SCIPreallocBlockMemoryArray, SCIPsnprintf(), SCIPtimConsGetStageName(), setScenarioName(), setScenarioProbability(), setScenarioStageName(), STO_DEFAULT_ARRAYSIZE, STO_DEFAULT_BLOCKARRAYSIZE, STO_ENDATA, STO_INDEP, stoinputField0(), stoinputField1(), stoinputField2(), stoinputField3(), stoinputField4(), stoinputField5(), stoinputReadLine(), stoinputSetSection(), stoinputSetStochtype(), stoinputSyntaxerror(), and TRUE.

Referenced by readSto().

◆ computeScenarioProbability()

static SCIP_Real computeScenarioProbability	(	SCIP *	scip,
		STOSCENARIO *	scenario )

static

computes the probability of a scenario

Parameters

scip	the SCIP data structure
scenario	the current scenario

Definition at line 1923 of file reader_sto.c.

References assert(), getScenarioParent(), getScenarioProbability(), NULL, and SCIP_Real.

Referenced by addScenarioVarsAndConsToProb(), and addScenarioVarsToProb().

◆ getScenarioEntityName()

static void getScenarioEntityName	(	char *	name,
		const char *	varname,
		int	stagenum,
		int	scenarionum )

static

gets the variable name

Parameters

name	the name to be returned
varname	the root of the variable name
stagenum	the stage number
scenarionum	the scenario number

Definition at line 1948 of file reader_sto.c.

References SCIP_MAXSTRLEN, and SCIPsnprintf().

Referenced by addScenarioConsToProb(), addScenarioVarsAndConsToProb(), addScenarioVarsToProb(), findScenarioVar(), and getScenarioDecompVar().

◆ addScenarioVarsToProb()

static SCIP_RETCODE addScenarioVarsToProb	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		SCIP_HASHMAP *	varmap,
		SCIP_VAR **	vars,
		int	nvars )

static

add variables to the scenario

Parameters

scip	the SCIP data structure
scenario	the current scenario
varmap	the variable map from the original to the subproblem variables
vars	the variables of the core problem associated with this scenario
nvars	the number of variables for this scenario

Definition at line 1964 of file reader_sto.c.

References assert(), computeScenarioProbability(), getScenarioEntityName(), getScenarioNum(), getScenarioStageNum(), i, NULL, nvars, obj, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_Real, SCIPaddVar(), SCIPcreateVar(), SCIPdebugMessage, SCIPhashmapInsert(), SCIPreleaseVar(), SCIPvarGetLbOriginal(), SCIPvarGetName(), SCIPvarGetObj(), SCIPvarGetType(), SCIPvarGetUbOriginal(), SCIPvarIsDeleted(), SCIPvarIsInitial(), SCIPvarIsRemovable(), var, and vars.

Referenced by addScenarioVarsAndConsToProb().

◆ findScenarioVar()

static SCIP_RETCODE findScenarioVar	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		SCIP_VAR *	consvar,
		SCIP_VAR **	scenariovar )

static

finds the scenario variable to add to a constraint

Parameters

scip	the SCIP data structure
scenario	the current scenario
consvar	the variable in the constraint that is being searched for
scenariovar	pointer to return the variable to be added to the constraint

Definition at line 2021 of file reader_sto.c.

References assert(), getScenarioEntityName(), getScenarioNum(), getScenarioParent(), getScenarioStageNum(), NULL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_READERROR, SCIPerrorMessage, SCIPfindVar(), SCIPsnprintf(), and SCIPvarGetName().

Referenced by addScenarioConsToProb().

◆ getScenarioDecompVar()

static SCIP_RETCODE getScenarioDecompVar	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		SCIP_VAR *	consvar,
		SCIP_VAR **	scenariovar,
		SCIP_Bool *	varadded )

static

create variable for the decomposed scenario

Parameters

scip	the SCIP data structure
scenario	the current scenario
consvar	the variable in the constraint that is being searched for
scenariovar	pointer to return the variable to be added to the constraint
varadded	pointer to indicate whether a variable has been added

Definition at line 2069 of file reader_sto.c.

References assert(), FALSE, getScenarioEntityName(), getScenarioNum(), getScenarioParent(), getScenarioScip(), getScenarioStageNum(), NULL, SCIP_Bool, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIPaddVar(), SCIPcreateVar(), SCIPfindVar(), SCIPsnprintf(), SCIPvarGetLbOriginal(), SCIPvarGetName(), SCIPvarGetType(), SCIPvarGetUbOriginal(), SCIPvarIsInitial(), SCIPvarIsRemovable(), TRUE, and var.

Referenced by addScenarioConsToProb().

◆ addScenarioConsToProb()

static SCIP_RETCODE addScenarioConsToProb	(	SCIP *	scip,
		SCIP *	scenarioscip,
		STOSCENARIO *	scenario,
		SCIP_HASHMAP *	varmap,
		SCIP_CONS **	conss,
		int	nconss,
		SCIP_Bool	decomp )

static

adds the constraint to the scenario problem

Parameters

scip	the SCIP data structure
scenarioscip	the scenario SCIP data structure
scenario	the current scenario
varmap	the variable map from the original to the subproblem variables
conss	the constraints of the core problem associated with this scenario
nconss	the number of constraints for this scenario
decomp	is the problem being decomposed

Definition at line 2135 of file reader_sto.c.

References assert(), FALSE, findScenarioVar(), getScenarioDecompVar(), getScenarioEntityName(), getScenarioNum(), getScenarioStageNum(), i, NULL, SCIP_Bool, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_READERROR, SCIPaddCons(), SCIPallocBufferArray, SCIPconsGetHdlr(), SCIPconsGetName(), SCIPconsIsChecked(), SCIPconsIsDeleted(), SCIPconsIsDynamic(), SCIPconsIsEnforced(), SCIPconsIsInitial(), SCIPconsIsLocal(), SCIPconsIsMarkedPropagate(), SCIPconsIsModifiable(), SCIPconsIsRemovable(), SCIPconsIsSeparated(), SCIPconsIsStickingAtNode(), SCIPerrorMessage, SCIPfreeBufferArray, SCIPfreeBufferArrayNull, SCIPgetConsCopy(), SCIPgetConsNVars(), SCIPgetConsVars(), SCIPhashmapExists(), SCIPhashmapInsert(), SCIPreleaseCons(), SCIPreleaseVar(), and TRUE.

Referenced by addScenarioVarsAndConsToProb().

◆ addScenarioVarsAndConsToProb()

static SCIP_RETCODE addScenarioVarsAndConsToProb	(	SCIP *	scip,
		STOSCENARIO *	scenario,
		SCIP_Bool	decomp )

static

add variables and constraint to problem

Parameters

scip	the SCIP data structure of master problem
scenario	the current scenario
decomp	is the problem being decomposed

Definition at line 2254 of file reader_sto.c.

References addScenarioConsToProb(), addScenarioSubproblem(), addScenarioVarsAndConsToProb(), addScenarioVarsToProb(), assert(), computeScenarioProbability(), createScenarioSubproblemArray(), getScenarioChild(), getScenarioEntityName(), getScenarioEntryCol(), getScenarioEntryRow(), getScenarioEntryValue(), getScenarioLowerbound(), getScenarioNChildren(), getScenarioNEntries(), getScenarioNum(), getScenarioScip(), getScenarioStageName(), getScenarioStageNum(), getScenarioSubproblemArray(), i, NULL, nvars, obj, RHS, RIGHT, SCIP_Bool, SCIP_CALL, SCIP_MAXSTRLEN, SCIP_OKAY, SCIP_READERROR, SCIP_Real, SCIPbendersUpdateSubproblemLowerbound(), SCIPblkmem(), SCIPchgCoefLinear(), SCIPchgLhsLinear(), SCIPchgRhsLinear(), SCIPchgVarObj(), SCIPcreate(), SCIPcreateBendersDefault(), SCIPcreateProbBasic(), SCIPdebugMessage, SCIPenableDebugSol(), SCIPerrorMessage, SCIPfindBenders(), SCIPfindCons(), SCIPfindVar(), SCIPgetLhsLinear(), SCIPgetNVars(), SCIPgetProbName(), SCIPgetRhsLinear(), SCIPhashmapCreate(), SCIPhashmapFree(), SCIPincludeDefaultPlugins(), SCIPinfinity(), SCIPisLT(), SCIPsetBoolParam(), SCIPsnprintf(), SCIPtimFindStage(), SCIPtimGetNStages(), SCIPtimGetStageConss(), SCIPtimGetStageNConss(), SCIPtimGetStageNVars(), SCIPtimGetStageVars(), setScenarioScip(), TRUE, var, and vars.

Referenced by addScenarioVarsAndConsToProb(), buildDecompProblem(), and buildFullProblem().

◆ removeCoreVariablesAndConstraints()

static SCIP_RETCODE removeCoreVariablesAndConstraints ( SCIP * scip )

static

removes the core variables and constriants for stage 2 and lower

Parameters

scip	the SCIP data structure

Definition at line 2463 of file reader_sto.c.

References assert(), i, NULL, nvars, SCIP_Bool, SCIP_CALL, SCIP_OKAY, SCIPconsIsDeleted(), SCIPdelCons(), SCIPdelVar(), SCIPtimGetNStages(), SCIPtimGetStageConss(), SCIPtimGetStageNConss(), SCIPtimGetStageNVars(), SCIPtimGetStageVars(), SCIPvarIsDeleted(), and vars.

Referenced by buildDecompProblem(), and buildFullProblem().

◆ buildFullProblem()

static SCIP_RETCODE buildFullProblem	(	SCIP *	scip,
		SCIP_READERDATA *	readerdata )

static

Parameters

scip	the SCIP data structure
readerdata	the reader data

Definition at line 2513 of file reader_sto.c.

References addScenarioVarsAndConsToProb(), assert(), FALSE, getScenarioChild(), getScenarioNChildren(), i, NULL, removeCoreVariablesAndConstraints(), SCIP_CALL, and SCIP_OKAY.

Referenced by readSto().

◆ buildDecompProblem()

static SCIP_RETCODE buildDecompProblem	(	SCIP *	scip,
		SCIP_READERDATA *	readerdata )

static

builds the stochastic program using Benders' decomposition

Parameters

scip	the SCIP data structure
readerdata	the reader data

Definition at line 2537 of file reader_sto.c.

References addScenarioSubproblem(), addScenarioVarsAndConsToProb(), assert(), createScenarioSubproblemArray(), getScenarioChild(), getScenarioLowerbound(), getScenarioNChildren(), getScenarioScip(), getScenarioSubproblemArray(), i, NULL, removeCoreVariablesAndConstraints(), SCIP_CALL, SCIP_OKAY, SCIP_PARAMSETTING_OFF, SCIPbendersUpdateSubproblemLowerbound(), SCIPcreateBendersDefault(), SCIPfindBenders(), SCIPsetBoolParam(), SCIPsetIntParam(), SCIPsetPresolving(), setScenarioScip(), and TRUE.

Referenced by readSto().

◆ readSto()

static SCIP_RETCODE readSto	(	SCIP *	scip,
		const char *	filename,
		SCIP_READERDATA *	readerdata )

static

Read the stochastic information of an SMPS file instance in "STO File Format".

Parameters

scip	SCIP data structure
filename	name of the input file
readerdata	the reader data

Definition at line 2597 of file reader_sto.c.

References assert(), buildDecompProblem(), buildFullProblem(), createReaderdata(), FALSE, StoInput::fp, NULL, readBlocks(), readIndep(), readScenarios(), readStoch(), SCIP_Bool, SCIP_CALL_FINALLY, SCIP_CALL_TERMINATE, SCIP_NOFILE, SCIP_OKAY, SCIP_READERROR, SCIPerrorMessage, SCIPfclose(), SCIPfopen(), SCIPinfoMessage(), SCIPprintSysError(), SCIPtimGetNStages(), STO_BLOCKS, STO_ENDATA, STO_INDEP, STO_SCENARIOS, STO_STOCHINFO_DISCRETE, stoinputCreate(), stoinputFree(), stoinputHasError(), stoinputSection(), stoinputStochInfoType(), stoinputSyntaxerror(), and TRUE.

Referenced by SCIPreadSto().

◆ SCIP_DECL_READERCOPY()

static SCIP_DECL_READERCOPY ( readerCopySto )

static

copy method for reader plugins (called when SCIP copies plugins)

Definition at line 2697 of file reader_sto.c.

References assert(), NULL, READER_NAME, SCIP_CALL, SCIP_OKAY, SCIPincludeReaderSto(), and SCIPreaderGetName().

◆ SCIP_DECL_READERFREE()

static SCIP_DECL_READERFREE ( readerFreeSto )

static

destructor of reader to free user data (called when SCIP is exiting)

Definition at line 2711 of file reader_sto.c.

References assert(), freeReaderdata(), NULL, READER_NAME, SCIP_CALL, SCIP_OKAY, SCIPreaderGetData(), and SCIPreaderGetName().

◆ SCIP_DECL_READERREAD()

static SCIP_DECL_READERREAD ( readerReadSto )

static

problem reading method of reader

Definition at line 2726 of file reader_sto.c.

References assert(), NULL, READER_NAME, result, SCIP_CALL, SCIP_DIDNOTRUN, SCIP_OKAY, SCIPcorHasRead(), SCIPfindReader(), SCIPreaderGetName(), SCIPreadSto(), SCIPtimHasRead(), and SCIPwarningMessage().

Detailed Description

Data Structures

Macros

Functions

Macro Definition Documentation

◆ READER_NAME

◆ READER_DESC

◆ READER_EXTENSION

◆ DEFAULT_USEBENDERS

◆ STO_MAX_LINELEN

◆ STO_MAX_NAMELEN

◆ STO_DEFAULT_ARRAYSIZE

◆ STO_DEFAULT_ENTRIESSIZE

◆ STO_DEFAULT_BLOCKARRAYSIZE

◆ STO_DEFAULT_CHILDRENSIZE

◆ BLANK

Typedef Documentation

◆ STOSCENARIO

◆ STOSECTION

◆ STOSTOCHINFO

◆ STOINPUT

Enumeration Type Documentation

◆ StoSection

◆ StoStochInfo

Function Documentation

◆ createScenarioData()

◆ freeScenarioTree()

◆ setScenarioScip()

◆ getScenarioScip()

◆ createScenarioSubproblemArray()

◆ addScenarioSubproblem()

◆ getScenarioSubproblemArray()

◆ getScenarioNChildren()

◆ getScenarioChild()

◆ getScenarioParent()

◆ setScenarioStageName()

◆ getScenarioStageName()

◆ setScenarioStageNum()

◆ getScenarioStageNum()

◆ setScenarioName()

◆ getScenarioName()

◆ setScenarioNum()

◆ getScenarioNum()

◆ setScenarioProbability()

◆ getScenarioProbability()

◆ setScenarioLowerbound()

◆ getScenarioLowerbound()

◆ addScenarioEntry()

◆ getScenarioNEntries()

◆ getScenarioEntryRow()

◆ getScenarioEntryCol()

◆ getScenarioEntryValue()

◆ copyScenario()

◆ mergeScenarios()

◆ scenarioAddChild()

◆ buildScenarioTree()

◆ addScenariosToReaderdata()

◆ findScenarioInTree()

◆ insertScenarioInReaderdata()

◆ buildScenariosFromBlocks()

◆ createScenariosFromBlocks()

◆ createReaderdata()

◆ freeReaderdata()

◆ stoinputCreate()

◆ stoinputFree()

◆ stoinputSection()

◆ stoinputStochInfoType()

◆ stoinputField0()

◆ stoinputField1()

◆ stoinputField2()

◆ stoinputField3()

◆ stoinputField4()

◆ stoinputField5()

◆ stoinputField6()

◆ stoinputHasError()

◆ stoinputSetSection()

◆ stoinputSetStochInfoType()

◆ stoinputSetProbname()

◆ stoinputSetStochtype()

◆ stoinputSyntaxerror()