#ifndef ns_geographic_h#define ns_geographic_h#include "mac-802_16.h"class Mod{	public: 		Mod() : x(-1), y(-1), distance(-1), mod(-1), id(-1), enable(-1), next_(0){}		double x;		double y;		double distance;		double mod;		int id;			int enable;		Mod *next_;				ModulCodingType ToMod(double bs_x,double bs_y) {			distance = pow(x-bs_x,2)+pow(y-bs_y,2);			distance = sqrt(distance);			printf("SS_X: %f   SS_Y: %f     \nBS_X: %f   BS_Y: %f     distance:%f ",x,y,bs_x,bs_y,distance);			if (distance/1000 < 10) {			  	printf(" 64 QAM\n");				if(distance/1000) return QAM64_34;				  				return QAM64_23;			} else if (distance/1000<15) {				printf(" 16 QAM\n");				if(distance/1000) return QAM16_34;				  				return QAM16_12;				   		   			} else {				printf(" QPSK\n");				if(distance/1000) return QPSK_34;				  				return QPSK_12;	  			}				}};class TOMAC {	private:							Mod* head_;		Mod* tail_;	public:		TOMAC() : head_(0), tail_(0){}		int check(int id_) {						for (Mod* tmp = head_; tmp != 0; tmp = tmp->next_) {				if (tmp->id == id_)					return (tmp->enable == 1)? 2:1;			}			return 0;		}		void unlock(int id_) {			for (Mod* tmp = head_; tmp != 0; tmp = tmp->next_)				if (tmp->id == id_) tmp->enable = 1;			}		void enque(int id_, double X, double Y) {			Mod* p = new Mod;			p->id = id_;			p->x = X;			p->y = Y;			if (!tail_) head_= tail_= p;			else {				tail_->next_= p;				tail_= p;							}			tail_->next_ = 0;						}			Mod* search(int id_) {			for (Mod* tmp = head_; tmp != 0; tmp = tmp->next_) {				if (tmp->id == id_)					return tmp;			}			return 0;				}};#endif