configuration.h

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#ifndef HIGH_PRECISION_PSO_GENERAL_CONFIGURATION_H_
#define HIGH_PRECISION_PSO_GENERAL_CONFIGURATION_H_

#include <string>
#include <vector>

#include "bound_handling/bound_handling.h"
#include "function/function.h"
#include "neighborhood/neighborhood.h"
#include "position_and_velocity_updater/position_and_velocity_updater.h"
#include "arbitrary_precision_calculation/random_number_generator.h"
#include "statistics/direct_statistics.h"
#include "statistics/statistics.h"
#include "velocity_adjustment/velocity_adjustment.h"

namespace highprecisionpso {

namespace configuration {

extern double g_chi;
extern double g_coefficient_local_attractor;
extern double g_coefficient_global_attractor;

enum InitializeVelocityMode {
    INITIALIZE_VELOCITY_MODE_ZERO,
    INITIALIZE_VELOCITY_MODE_HALFDIFF,
    INITIALIZE_VELOCITY_MODE_RANDOM
};
extern InitializeVelocityMode g_initialize_velocity_mode;

enum UpdateGlobalAttractorMode {
    UPDATE_GLOBAL_ATTRACTOR_MODE_EACH_ITERATION,
    UPDATE_GLOBAL_ATTRACTOR_MODE_EACH_PARTICLE
};
extern UpdateGlobalAttractorMode g_update_global_attractor_mode;

extern int g_particles;
extern int g_dimensions;
extern long long g_max_iterations;

extern std::vector<std::vector<long long> > g_iterations_with_statistic_evaluations;
extern std::vector<Statistic*> g_statistics_list;
enum FunctionBehaviorOutsideOfBoundsMode {
    FUNCTION_BEHAVIOR_OUTSIDE_OF_BOUNDS_INFINITY,
    FUNCTION_BEHAVIOR_OUTSIDE_OF_BOUNDS_NORMAL_EVALUATION,
    FUNCTION_BEHAVIOR_OUTSIDE_OF_BOUNDS_PERIODIC
};
extern FunctionBehaviorOutsideOfBoundsMode g_function_behavior_outside_of_bounds_mode;

extern std::vector<long long> g_preserve_backup_times;
extern double g_time_between_backups;
extern double g_time_between_run_checks;
extern std::string g_run_check_configuration_file;

extern std::string g_file_prefix;
extern std::string g_user_defined_file_prefix;
extern bool g_show_system_time_in_file_prefix;

extern Function* g_function;
extern BoundHandling* g_bound_handling;
extern VelocityAdjustment* g_velocity_adjustment;
extern PositionAndVelocityUpdater* g_position_and_velocity_updater;
extern Neighborhood* g_neighborhood;
extern Statistics* g_statistics;

extern bool g_debug_swarm_activated;
extern unsigned int g_debug_swarm_x_resolution;
extern unsigned int g_debug_swarm_y_resolution;
extern unsigned int g_debug_swarm_global_attractor_trajectory;
extern unsigned int g_debug_swarm_image_generation_frequency;
extern bool g_debug_swarm_show_global_attractor_on_terminal;
extern std::string g_debug_swarm_gnuplot_terminal;
extern std::string g_debug_swarm_image_file_extension;

enum InitializationInformationType {
        INITIALIZATION_INFORMATION_TYPE_BOUNDS,
        INITIALIZATION_INFORMATION_TYPE_CENTER_RANGE,
        INITIALIZATION_INFORMATION_TYPE_RANDOM_CENTER_RANGE,
        INITIALIZATION_INFORMATION_TYPE_NORMAL_SCALE,
        INITIALIZATION_INFORMATION_TYPE_POWER_SCALE,
};
class InitializationInformation {
public:
    InitializationInformationType information_type;
    double lower_bound;
    double upper_bound;
    double range;
    int power_scale;
    double normal_scale;
    int particle_from;
    int particle_to;
    int dimension_from;
    int dimension_to;
};
extern std::vector<InitializationInformation> g_position_initialization_informations;
extern std::vector<InitializationInformation> g_velocity_initialization_informations;


extern std::vector<SearchSpaceBound> g_function_bounds;

bool ReadConfigurationFile(std::string fileName);

std::string GetConfigurationString();

std::string GetFilePrefix();

void Init();

} // namespace configuration
} // namespace highprecisionpso

#endif /* HIGH_PRECISION_PSO_GENERAL_CONFIGURATION_H_ */