The termination instance also calculates the runtime of algorithm. The timer starts when the termination instance is constructed.

Class view

class termination

Data members

Name	Type	Utility
m_start_time, m_end_time	time_point<systemclock>	The start time and end time
m_enable	bool	Whether or not the criterion is enaled
m_is_terminated	bool	Whether or not the algorithm has been terminated

Major Member functions

Name	Utility
terminating()	Return whether or not the global optima have been found or the maximum runtime has been reached
set_terminated_true()	Mark the end of the algorithm and Terminate the timer
duration()	Return the runtime so far

term_max_iteration

Class view

class term_max_iteration : public termination

Added data members

Name	Type	Utility
m_max_iter	int	The maximum number of iterations

Added member functions

Name	Utility
terminating(num_iter)	Return whether or not the maximum number of iterations has been reached

term_max_evals

Class view

class term_max_evals : public termination

Added data members

Name	Type	Utility
m_max_evals	int	The maximum number of evalutations

Added member functions

Name	Utility
terminating(num_evals)	Return whether or not the maximum number of evalutations has been reached

term_best_remain

Class view

class term_best_remain : public termination

Added data members

Name	Type	Utility
m_max_iter	int	The maximum number of successive iterations over which the best solution remains
m_suc_iter	int	The number of successive iterations over which the best solution remains
m_previous,m_current	real	The objective values of the previous and current best solution

Added member functions

Name	Utility
terminating(current_best)	Return whether or not the maximum number of successive iterations over which the best solution remains has been reached