chbutils.h

用c+++实现的遗传算法解决tsp（旅行商）问题源码

#ifndef __INC_CHBYTILS_H__
#define __INC_CHBUTILS_H__


#include <stdlib.h>
#include <math.h>
#include <sstream>
#include <string>
#include <iostream>


using namespace std;

//----------------------------------------------------------------------------
//	some random number functions.
//----------------------------------------------------------------------------


//returns a random integer between x and y
inline int	  RandInt(int x,int y) {return rand()%(y-x+1)+x;}

//returns a random float between zero and 1
inline double RandFloat()		   {return (rand())/(RAND_MAX+1.0);}

//returns a random bool
inline bool   RandBool()
{
	if (RandInt(0,1)) return true;

	else return false;
}

//returns a random float in the range -1 < n < 1
inline double RandomClamped()	   {return RandFloat() - RandFloat();}



//-----------------------------------------------------------------------
//	
//	some handy little functions
//-----------------------------------------------------------------------

//converts an integer to a std::string
string itos(int arg);

//converts an float to a std::string
string ftos (float arg);

//	clamps the first argument between the second two
void Clamp(double &arg, double min, double max);
void Clamp(int &arg, int min, int max);


#endif // __INC_CHUTILS_H__