operations_research::math_opt::Xpress Class Reference

Detailed Description

Definition at line 42 of file g_xpress.h.

#include <g_xpress.h>

Public Member Functions
	Xpress ()=delete
absl::Status	SetProbName (absl::string_view name)
	~Xpress ()
absl::Status	GetControlInfo (char const *name, int *p_id, int *p_type) const
absl::StatusOr< int >	GetIntControl (int control) const
absl::Status	SetIntControl (int control, int value)
absl::Status	ResetIntControl (int control)
absl::StatusOr< int64_t >	GetIntControl64 (int control) const
absl::Status	SetIntControl64 (int control, int64_t value)
absl::StatusOr< double >	GetDblControl (int control) const
absl::Status	SetDblControl (int control, double value)
absl::StatusOr< std::string >	GetStrControl (int control) const
absl::Status	SetStrControl (int control, std::string const &value)
absl::StatusOr< int >	GetIntAttr (int attribute) const
absl::StatusOr< double >	GetDoubleAttr (int attribute) const
absl::StatusOr< double >	GetObjectiveDoubleAttr (int objidx, int attribute) const
absl::Status	AddVars (std::size_t count, absl::Span< const double > obj, absl::Span< const double > lb, absl::Span< const double > ub, absl::Span< const char > vtype)
absl::Status	AddNames (int type, absl::Span< const char > names, int first, int last)
absl::Status	AddConstrs (absl::Span< const char > sense, absl::Span< const double > rhs, absl::Span< const double > rng)
absl::Status	AddConstrs (absl::Span< const char > rowtype, absl::Span< const double > rhs, absl::Span< const double > rng, absl::Span< const int > start, absl::Span< const int > colind, absl::Span< const double > rowcoef)
absl::Status	SetObjectiveSense (bool maximize)
absl::Status	SetLinearObjective (double constant, absl::Span< const int > col_index, absl::Span< const double > obj_coeffs)
absl::Status	SetQuadraticObjective (absl::Span< const int > colind1, absl::Span< const int > colind2, absl::Span< const double > coefficients)
absl::Status	ChgCoeffs (absl::Span< const int > rowind, absl::Span< const int > colind, absl::Span< const double > values)
absl::Status	LpOptimize (std::string flags)
absl::Status	GetLpSol (absl::Span< double > primals, absl::Span< double > duals, absl::Span< double > reducedCosts)
absl::Status	Optimize (std::string const &flags="", int *p_solvestatus=nullptr, int *p_solstatus=nullptr)
absl::Status	PostSolve ()
absl::Status	GetLB (absl::Span< double > lb, int first, int last)
absl::Status	GetUB (absl::Span< double > ub, int first, int last)
absl::Status	GetColType (absl::Span< char > ctype, int first, int last)
absl::Status	ChgBounds (absl::Span< int const > colind, absl::Span< char const > bndtype, absl::Span< double const > bndval)
absl::Status	ChgColType (absl::Span< int const > colind, absl::Span< char const > coltype)
void	Terminate ()
absl::StatusOr< int >	GetDualStatus () const
absl::Status	GetBasis (std::vector< int > &rowBasis, std::vector< int > &colBasis) const
absl::Status	SetStartingBasis (std::vector< int > &rowBasis, std::vector< int > &colBasis) const
absl::Status	AddCbMessage (void(XPRS_CC *cb)(XPRSprob, void *, char const *, int, int), void *cbdata, int prio=0)
absl::Status	RemoveCbMessage (void(XPRS_CC *cb)(XPRSprob, void *, char const *, int, int), void *cbdata=nullptr)
absl::Status	AddCbChecktime (int(XPRS_CC *cb)(XPRSprob, void *), void *cbdata, int prio=0)
absl::Status	RemoveCbChecktime (int(XPRS_CC *cb)(XPRSprob, void *), void *cbdata=nullptr)
absl::StatusOr< std::vector< double > >	GetVarLb () const
absl::StatusOr< std::vector< double > >	GetVarUb () const
absl::Status	Interrupt (int reason)
absl::StatusOr< bool >	IsMIP () const
absl::Status	GetDuals (int *p_status, std::optional< absl::Span< double > > const &duals, int first, int last)
absl::Status	GetSolution (int *p_status, std::optional< absl::Span< double > > const &x, int first, int last)
absl::Status	GetRedCosts (int *p_status, std::optional< absl::Span< double > > const &dj, int first, int last)
absl::Status	AddMIPSol (absl::Span< double const > vals, absl::Span< int const > colind, char const *name=nullptr)
absl::Status	LoadDelayedRows (absl::Span< int const > rows)
absl::Status	LoadDirs (absl::Span< int const > cols, std::optional< absl::Span< int const > > const &prio, std::optional< absl::Span< char const > > const &dir, std::optional< absl::Span< double const > > const &up, std::optional< absl::Span< double const > > const &down)
absl::Status	SetObjectiveIntControl (int obj, int control, int value)
absl::Status	SetObjectiveDoubleControl (int obj, int control, double value)
absl::StatusOr< int >	AddObjective (double constant, int ncols, absl::Span< int const > colind, absl::Span< double const > objcoef, int priority, double weight)
absl::StatusOr< double >	CalculateObjectiveN (int objidx, double const *solution)
absl::Status	AddSets (absl::Span< char const > settype, absl::Span< XPRSint64 const > start, absl::Span< int const > colind, absl::Span< double const > refval)
absl::Status	SetIndicators (absl::Span< int const > rowind, absl::Span< int const > colind, absl::Span< int const > complement)
absl::Status	AddRows (absl::Span< char const > rowtype, absl::Span< double const > rhs, absl::Span< double const > rng, absl::Span< XPRSint64 const > start, absl::Span< int const > colind, absl::Span< double const > rowcoef)
absl::Status	AddQRow (char sense, double rhs, double rng, absl::Span< int const > colind, absl::Span< double const > rowcoef, absl::Span< int const > qcol1, absl::Span< int const > qcol2, absl::Span< double const > qcoef)
absl::Status	WriteProb (std::string const &filename, std::string const &flags="")
absl::Status	SaveAs (std::string const &filename)

Static Public Member Functions
static absl::StatusOr< std::unique_ptr< Xpress > >	New (absl::string_view model_name)

Constructor & Destructor Documentation

Xpress()

operations_research::math_opt::Xpress::Xpress ( )

delete

~Xpress()

operations_research::math_opt::Xpress::~Xpress

(

)

Definition at line 106 of file g_xpress.cc.

Member Function Documentation

AddCbChecktime()

absl::Status operations_research::math_opt::Xpress::AddCbChecktime	(	int(XPRS_CC *cb)(XPRSprob, void *)	,
		void *	cbdata,
		int	prio = 0 )

Definition at line 96 of file g_xpress.cc.

AddCbMessage()

absl::Status operations_research::math_opt::Xpress::AddCbMessage	(	void(XPRS_CC *cb)(XPRSprob, void *, char const *, int, int)	,
		void *	cbdata,
		int	prio = 0 )

Definition at line 84 of file g_xpress.cc.

AddConstrs() [1/2]

absl::Status operations_research::math_opt::Xpress::AddConstrs	(	absl::Span< const char >	rowtype,
		absl::Span< const double >	rhs,
		absl::Span< const double >	rng,
		absl::Span< const int >	start,
		absl::Span< const int >	colind,
		absl::Span< const double >	rowcoef )

Definition at line 194 of file g_xpress.cc.

AddConstrs() [2/2]

absl::Status operations_research::math_opt::Xpress::AddConstrs	(	absl::Span< const char >	sense,
		absl::Span< const double >	rhs,
		absl::Span< const double >	rng )

Definition at line 181 of file g_xpress.cc.

AddMIPSol()

absl::Status operations_research::math_opt::Xpress::AddMIPSol	(	absl::Span< double const >	vals,
		absl::Span< int const >	colind,
		char const *	name = nullptr )

Add a mip start that is specified in the original space, i.e., in terms of ortools variables.

Definition at line 446 of file g_xpress.cc.

AddNames()

absl::Status operations_research::math_opt::Xpress::AddNames	(	int	type,
		absl::Span< const char >	names,
		int	first,
		int	last )

Definition at line 118 of file g_xpress.cc.

AddObjective()

absl::StatusOr< int > operations_research::math_opt::Xpress::AddObjective	(	double	constant,
		int	ncols,
		absl::Span< int const >	colind,
		absl::Span< double const >	objcoef,
		int	priority,
		double	weight )

Definition at line 485 of file g_xpress.cc.

AddQRow()

absl::Status operations_research::math_opt::Xpress::AddQRow	(	char	sense,
		double	rhs,
		double	rng,
		absl::Span< int const >	colind,
		absl::Span< double const >	rowcoef,
		absl::Span< int const >	qcol1,
		absl::Span< int const >	qcol2,
		absl::Span< double const >	qcoef )

Definition at line 574 of file g_xpress.cc.

AddRows()

absl::Status operations_research::math_opt::Xpress::AddRows	(	absl::Span< char const >	rowtype,
		absl::Span< double const >	rhs,
		absl::Span< double const >	rng,
		absl::Span< XPRSint64 const >	start,
		absl::Span< int const >	colind,
		absl::Span< double const >	rowcoef )

Definition at line 553 of file g_xpress.cc.

AddSets()

absl::Status operations_research::math_opt::Xpress::AddSets	(	absl::Span< char const >	settype,
		absl::Span< XPRSint64 const >	start,
		absl::Span< int const >	colind,
		absl::Span< double const >	refval )

Definition at line 520 of file g_xpress.cc.

AddVars()

absl::Status operations_research::math_opt::Xpress::AddVars	(	std::size_t	count,
		absl::Span< const double >	obj,
		absl::Span< const double >	lb,
		absl::Span< const double >	ub,
		absl::Span< const char >	vtype )

Definition at line 128 of file g_xpress.cc.

CalculateObjectiveN()

absl::StatusOr< double > operations_research::math_opt::Xpress::CalculateObjectiveN	(	int	objidx,
		double const *	solution )

Definition at line 510 of file g_xpress.cc.

ChgBounds()

absl::Status operations_research::math_opt::Xpress::ChgBounds	(	absl::Span< int const >	colind,
		absl::Span< char const >	bndtype,
		absl::Span< double const >	bndval )

Definition at line 619 of file g_xpress.cc.

ChgCoeffs()

absl::Status operations_research::math_opt::Xpress::ChgCoeffs	(	absl::Span< const int >	rowind,
		absl::Span< const int >	colind,
		absl::Span< const double >	values )

Definition at line 244 of file g_xpress.cc.

ChgColType()

absl::Status operations_research::math_opt::Xpress::ChgColType	(	absl::Span< int const >	colind,
		absl::Span< char const >	coltype )

Definition at line 630 of file g_xpress.cc.

GetBasis()

absl::Status operations_research::math_opt::Xpress::GetBasis	(	std::vector< int > &	rowBasis,
		std::vector< int > &	colBasis ) const

Definition at line 373 of file g_xpress.cc.

GetColType()

absl::Status operations_research::math_opt::Xpress::GetColType	(	absl::Span< char >	ctype,
		int	first,
		int	last )

Definition at line 615 of file g_xpress.cc.

GetControlInfo()

absl::Status operations_research::math_opt::Xpress::GetControlInfo	(	char const *	name,
		int *	p_id,
		int *	p_type ) const

Definition at line 275 of file g_xpress.cc.

GetDblControl()

absl::StatusOr< double > operations_research::math_opt::Xpress::GetDblControl

(

int

control

)

const

Definition at line 313 of file g_xpress.cc.

GetDoubleAttr()

absl::StatusOr< double > operations_research::math_opt::Xpress::GetDoubleAttr

(

int

attribute

)

const

Definition at line 347 of file g_xpress.cc.

GetDuals()

absl::Status operations_research::math_opt::Xpress::GetDuals	(	int *	p_status,
		std::optional< absl::Span< double > > const &	duals,
		int	first,
		int	last )

Definition at line 424 of file g_xpress.cc.

GetDualStatus()

absl::StatusOr< int > operations_research::math_opt::Xpress::GetDualStatus

(

)

const

Definition at line 363 of file g_xpress.cc.

GetIntAttr()

absl::StatusOr< int > operations_research::math_opt::Xpress::GetIntAttr

(

int

attribute

)

const

Definition at line 340 of file g_xpress.cc.

GetIntControl()

absl::StatusOr< int > operations_research::math_opt::Xpress::GetIntControl

(

int

control

)

const

Definition at line 280 of file g_xpress.cc.

GetIntControl64()

absl::StatusOr< int64_t > operations_research::math_opt::Xpress::GetIntControl64

(

int

control

)

const

Definition at line 301 of file g_xpress.cc.

GetLB()

absl::Status operations_research::math_opt::Xpress::GetLB	(	absl::Span< double >	lb,
		int	first,
		int	last )

Definition at line 609 of file g_xpress.cc.

GetLpSol()

absl::Status operations_research::math_opt::Xpress::GetLpSol	(	absl::Span< double >	primals,
		absl::Span< double >	duals,
		absl::Span< double >	reducedCosts )

Definition at line 256 of file g_xpress.cc.

GetObjectiveDoubleAttr()

absl::StatusOr< double > operations_research::math_opt::Xpress::GetObjectiveDoubleAttr	(	int	objidx,
		int	attribute ) const

Definition at line 354 of file g_xpress.cc.

GetRedCosts()

absl::Status operations_research::math_opt::Xpress::GetRedCosts	(	int *	p_status,
		std::optional< absl::Span< double > > const &	dj,
		int	first,
		int	last )

Definition at line 436 of file g_xpress.cc.

GetSolution()

absl::Status operations_research::math_opt::Xpress::GetSolution	(	int *	p_status,
		std::optional< absl::Span< double > > const &	x,
		int	first,
		int	last )

Definition at line 430 of file g_xpress.cc.

GetStrControl()

absl::StatusOr< std::string > operations_research::math_opt::Xpress::GetStrControl

(

int

control

)

const

Definition at line 324 of file g_xpress.cc.

GetUB()

absl::Status operations_research::math_opt::Xpress::GetUB	(	absl::Span< double >	ub,
		int	first,
		int	last )

Definition at line 612 of file g_xpress.cc.

GetVarLb()

absl::StatusOr< std::vector< double > > operations_research::math_opt::Xpress::GetVarLb

(

)

const

Definition at line 393 of file g_xpress.cc.

GetVarUb()

absl::StatusOr< std::vector< double > > operations_research::math_opt::Xpress::GetVarUb

(

)

const

Definition at line 402 of file g_xpress.cc.

Interrupt()

absl::Status operations_research::math_opt::Xpress::Interrupt

(

int

reason

)

Definition at line 412 of file g_xpress.cc.

IsMIP()

absl::StatusOr< bool > operations_research::math_opt::Xpress::IsMIP

(

)

const

Definition at line 416 of file g_xpress.cc.

LoadDelayedRows()

absl::Status operations_research::math_opt::Xpress::LoadDelayedRows

(

absl::Span< int const >

rows

)

Definition at line 458 of file g_xpress.cc.

LoadDirs()

absl::Status operations_research::math_opt::Xpress::LoadDirs	(	absl::Span< int const >	cols,
		std::optional< absl::Span< int const > > const &	prio,
		std::optional< absl::Span< char const > > const &	dir,
		std::optional< absl::Span< double const > > const &	up,
		std::optional< absl::Span< double const > > const &	down )

Definition at line 465 of file g_xpress.cc.

LpOptimize()

absl::Status operations_research::math_opt::Xpress::LpOptimize

(

std::string

flags

)

Definition at line 252 of file g_xpress.cc.

New()

absl::StatusOr< std::unique_ptr< Xpress > > operations_research::math_opt::Xpress::New ( absl::string_view model_name )

static

Definition at line 67 of file g_xpress.cc.

Optimize()

absl::Status operations_research::math_opt::Xpress::Optimize	(	std::string const &	flags = "",
		int *	p_solvestatus = nullptr,
		int *	p_solstatus = nullptr )

Definition at line 267 of file g_xpress.cc.

PostSolve()

absl::Status operations_research::math_opt::Xpress::PostSolve

(

)

Definition at line 263 of file g_xpress.cc.

RemoveCbChecktime()

absl::Status operations_research::math_opt::Xpress::RemoveCbChecktime	(	int(XPRS_CC *cb)(XPRSprob, void *)	,
		void *	cbdata = nullptr )

Definition at line 101 of file g_xpress.cc.

RemoveCbMessage()

absl::Status operations_research::math_opt::Xpress::RemoveCbMessage	(	void(XPRS_CC *cb)(XPRSprob, void *, char const *, int, int)	,
		void *	cbdata = nullptr )

Definition at line 90 of file g_xpress.cc.

ResetIntControl()

absl::Status operations_research::math_opt::Xpress::ResetIntControl

(

int

control

)

Definition at line 291 of file g_xpress.cc.

SaveAs()

absl::Status operations_research::math_opt::Xpress::SaveAs

(

std::string const &

filename

)

Definition at line 605 of file g_xpress.cc.

SetDblControl()

absl::Status operations_research::math_opt::Xpress::SetDblControl	(	int	control,
		double	value )

Definition at line 320 of file g_xpress.cc.

SetIndicators()

absl::Status operations_research::math_opt::Xpress::SetIndicators	(	absl::Span< int const >	rowind,
		absl::Span< int const >	colind,
		absl::Span< int const >	complement )

Definition at line 535 of file g_xpress.cc.

SetIntControl()

absl::Status operations_research::math_opt::Xpress::SetIntControl	(	int	control,
		int	value )

Definition at line 287 of file g_xpress.cc.

SetIntControl64()

absl::Status operations_research::math_opt::Xpress::SetIntControl64	(	int	control,
		int64_t	value )

Definition at line 309 of file g_xpress.cc.

SetLinearObjective()

absl::Status operations_research::math_opt::Xpress::SetLinearObjective	(	double	constant,
		absl::Span< const int >	col_index,
		absl::Span< const double >	obj_coeffs )

Definition at line 223 of file g_xpress.cc.

SetObjectiveDoubleControl()

absl::Status operations_research::math_opt::Xpress::SetObjectiveDoubleControl	(	int	obj,
		int	control,
		double	value )

Definition at line 481 of file g_xpress.cc.

SetObjectiveIntControl()

absl::Status operations_research::math_opt::Xpress::SetObjectiveIntControl	(	int	obj,
		int	control,
		int	value )

Definition at line 478 of file g_xpress.cc.

SetObjectiveSense()

absl::Status operations_research::math_opt::Xpress::SetObjectiveSense

(

bool

maximize

)

Definition at line 218 of file g_xpress.cc.

SetProbName()

absl::Status operations_research::math_opt::Xpress::SetProbName

(

absl::string_view

name

)

Definition at line 75 of file g_xpress.cc.

SetQuadraticObjective()

absl::Status operations_research::math_opt::Xpress::SetQuadraticObjective	(	absl::Span< const int >	colind1,
		absl::Span< const int >	colind2,
		absl::Span< const double >	coefficients )

Definition at line 236 of file g_xpress.cc.

SetStartingBasis()

absl::Status operations_research::math_opt::Xpress::SetStartingBasis	(	std::vector< int > &	rowBasis,
		std::vector< int > &	colBasis ) const

Definition at line 383 of file g_xpress.cc.

SetStrControl()

absl::Status operations_research::math_opt::Xpress::SetStrControl	(	int	control,
		std::string const &	value )

Definition at line 336 of file g_xpress.cc.

Terminate()

void operations_research::math_opt::Xpress::Terminate

(

)

Definition at line 273 of file g_xpress.cc.

WriteProb()

absl::Status operations_research::math_opt::Xpress::WriteProb	(	std::string const &	filename,
		std::string const &	flags = "" )

Definition at line 599 of file g_xpress.cc.

---

The documentation for this class was generated from the following files:

• ortools/math_opt/solvers/xpress/g_xpress.h
• ortools/math_opt/solvers/xpress/g_xpress.cc