Parameter class provides options to modify LP Solver behavior. More...

#include <lp_solver_interface.hxx>

Collaboration diagram for opengm::LPSolverInterface< LP_SOLVER_TYPE, VALUE_TYPE, INDEX_TYPE, SOLUTION_ITERATOR_TYPE, SOLVER_TIMING_TYPE >::Parameter:

Public Member Functions
	Parameter ()
	Default constructor of class Parameter. Sets default values provided by class LPDef for all options. More...

Public Attributes
int	numberOfThreads_
	The number of threads used for Optimization (0 = autoselect). More...

bool	verbose_
	Enable verbose output if set to true. More...

double	cutUp_
	Upper cutoff tolerance. More...

double	epOpt_
	Optimality tolerance. More...

double	epMrk_
	Markowitz tolerance. More...

double	epRHS_
	Feasibility tolerance. More...

double	epInt_
	Amount by which an integer variable can differ from an integer. More...

double	epAGap_
	Absolute MIP gap tolerance. More...

double	epGap_
	Relative MIP gap tolerance. More...

double	workMem_
	Maximal amount of memory in MB used for workspace. More...

double	treeMemoryLimit_
	Maximal amount of memory in MB used for tree. More...

double	timeLimit_
	Maximal time in seconds the solver has. More...

int	probingLevel_
	Amount of probing on variables to be performed before MIP branching. More...

LPDef::LP_SOLVER	rootAlg_
	Select which algorithm is used to solve continuous models or to solve the root relaxation of a MIP. More...

LPDef::LP_SOLVER	nodeAlg_
	Select which algorithm is used to solve the subproblems in a MIP after the initial relaxation has been solved. More...

LPDef::MIP_EMPHASIS	mipEmphasis_
	Controls trade-offs between speed, feasibility, optimality, and moving bounds in a MIP. More...

LPDef::LP_PRESOLVE	presolve_
	Controls how aggressive presolve is performed during preprocessing. More...

LPDef::MIP_CUT	cutLevel_
	Determines whether or not to generate cuts for the problem and how aggressively (will be overruled by specific ones). More...

LPDef::MIP_CUT	cliqueCutLevel_
	Determines whether or not to generate clique cuts for the problem and how aggressively. More...

LPDef::MIP_CUT	coverCutLevel_
	Determines whether or not to generate cover cuts for the problem and how aggressively. More...

LPDef::MIP_CUT	gubCutLevel_
	Determines whether or not to generate generalized upper bound (GUB) cuts for the problem and how aggressively. More...

LPDef::MIP_CUT	mirCutLevel_
	Determines whether or not mixed integer rounding (MIR) cuts should be generated for the problem and how aggressively. More...

LPDef::MIP_CUT	iboundCutLevel_
	Determines whether or not to generate implied bound cuts for the problem and how aggressively. More...

LPDef::MIP_CUT	flowcoverCutLevel_
	Determines whether or not to generate flow cover cuts for the problem and how aggressively. More...

LPDef::MIP_CUT	flowpathCutLevel_
	Determines whether or not to generate flow path cuts for the problem and how aggressively. More...

LPDef::MIP_CUT	disjunctCutLevel_
	Determines whether or not to generate disjunctive cuts for the problem and how aggressively. More...

LPDef::MIP_CUT	gomoryCutLevel_
	Determines whether or not to generate gomory fractional cuts for the problem and how aggressively. More...

Detailed Description

template<class LP_SOLVER_TYPE, class VALUE_TYPE, class INDEX_TYPE, class SOLUTION_ITERATOR_TYPE, class SOLVER_TIMING_TYPE>
class opengm::LPSolverInterface< LP_SOLVER_TYPE, VALUE_TYPE, INDEX_TYPE, SOLUTION_ITERATOR_TYPE, SOLVER_TIMING_TYPE >::Parameter

Parameter class provides options to modify LP Solver behavior.

Note

Not all LP Solver might provide support for all parameter options.
Default values are taken from class LPDef.

Definition at line 25 of file lp_solver_interface.hxx.

Constructor & Destructor Documentation

template<class LP_SOLVER_TYPE , class VALUE_TYPE , class INDEX_TYPE , class SOLUTION_ITERATOR_TYPE , class SOLVER_TIMING_TYPE >

opengm::LPSolverInterface< LP_SOLVER_TYPE, VALUE_TYPE, INDEX_TYPE, SOLUTION_ITERATOR_TYPE, SOLVER_TIMING_TYPE >::Parameter::Parameter ( )

inline

Default constructor of class Parameter. Sets default values provided by class LPDef for all options.

Definition at line 632 of file lp_solver_interface.hxx.