// Random.cpp: implementation of the CRandom class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "RTDMOEA.h"
#include "Random.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
int CRandom::Seed=0;
CRandom::CRandom()
{
    RandomInit();
}

CRandom::~CRandom()
{

}

void CRandom::RandomInit()
{
	Seed= (int)time(NULL);
	RandomInit(Seed);
}

void CRandom::RandomInit(int seed)
{
	Seed=seed;
  	srand(Seed);
}

double CRandom::Random(double m_Start, double m_End)
{
	return m_Start + (m_End - m_Start) * rand() /RAND_MAX;
}

int CRandom::Random(int m_Start, int m_End)  //[m_Start , m_End]
{
	return (m_Start + rand() % (m_End -m_Start+1));
}