chbutils.h
来自「用c+++实现的遗传算法解决tsp(旅行商)问题源码」· C头文件 代码 · 共 56 行
H
56 行
#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__
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