idol::Heuristics::RENS::Strategy Class Reference

Inheritance diagram for idol::Heuristics::RENS::Strategy:

Collaboration diagram for idol::Heuristics::RENS::Strategy:

Public Member Functions
	Strategy (double t_minimum_ratio_of_integer_variables_to_fix, double t_minimum_ratio_of_variables_to_fix, OptimizerFactory *t_optimizer_factory)

Protected Member Functions
void	operator() (CallbackEvent t_event) override
virtual const Model &	original_model () const
virtual void	submit_heuristic_solution (const PrimalPoint &t_solution)
virtual void	add_user_cut (const TempCtr &t_cut)
virtual void	add_lazy_cut (const TempCtr &t_cut)
virtual PrimalPoint	primal_solution () const
const Timer &	time () const
double	best_obj () const
double	best_bound () const
void	terminate ()

Detailed Description

Definition at line 26 of file RENS.h.

Member Function Documentation

add_lazy_cut()

virtual void idol::Callback::add_lazy_cut ( const TempCtr &  t_cut )

protectedvirtualinherited

Adds a lazy cut to the relaxation

Parameters

t_cut

the cut to be added

add_user_cut()

virtual void idol::Callback::add_user_cut ( const TempCtr &  t_cut )

protectedvirtualinherited

Adds a user cut to the relaxation

Parameters

t_cut

the cut to be added

best_bound()

double idol::Callback::best_bound ( ) const

protectedinherited

Returns the best bound found so far

Returns

the best bound

best_obj()

double idol::Callback::best_obj ( ) const

protectedinherited

Returns the best objective value found so far

Returns

the best objective value

operator()()

void idol::Heuristics::RENS::Strategy::operator() ( CallbackEvent  t_event )

overrideprotectedvirtual

This method is left for the user to write and consists in the main execution block of the callback.

Parameters

t_event

the event which triggered the call

Implements idol::Callback.

original_model()

virtual const Model & idol::Callback::original_model ( ) const

protectedvirtualinherited

Accesses the original model given to the solver

primal_solution()

virtual PrimalPoint idol::Callback::primal_solution ( ) const

protectedvirtualinherited

Returns the solution of the node which is currently being explored (when available)

Returns

the solution of the current node

submit_heuristic_solution()

virtual void idol::Callback::submit_heuristic_solution ( const PrimalPoint &  t_solution )

protectedvirtualinherited

Submits a new heuristic solution

terminate()

void idol::Callback::terminate ( )

protectedinherited

Asks the optimizer to terminate the optimization process as soon as possible

time()

const Timer & idol::Callback::time ( ) const

protectedinherited

Returns the current time

Returns

the optimizer's time