//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGAIndividual Àà
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TGAIndividual ¶¨Òå
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#include "StdAfx.h"
#include "TGAIndividual.h"
#include "TGAPopulation.h"

TGAIndividual::TGAIndividual()
{

}

TGAIndividual::~TGAIndividual()
{

}

TGAIndividual* TGAIndividual::New() const
{
	return NULL;
}

void TGAIndividual::Init()
{

}

TGAIndividual* TGAIndividual::Mutation() const
{
	return NULL;
}

bool TGAIndividual::operator < (const TGAIndividual& rival) const
{
	return false;
}

bool TGAIndividual::operator > (const TGAIndividual& rival) const
{
	return false;
}

long TGAIndividual::Multiply(const TGAIndividual&mat,TGAPopulation* pRes)const
{
	ASSERT(pRes != NULL);

	if(mat.GetLength()>GetLength())
	{
		return mat.Multiply(*this,pRes);
	}

	TGAIndividual *pNew1 = New(),*pNew2 = New();
	pNew1->SetLength(GetLength(),false);
	pNew2->SetLength(GetLength(),false);

	long first = rand() % mat.GetLength();
	long last = (first + mat.GetLength() / 2 - 1) % mat.GetLength();
	long i;
	if(last >= first)
	{
		for(i = 0; i < first; i++)
		{
			(*pNew1)[i] = GetAt(i)->Clone();
			(*pNew2)[i] = mat.GetAt(i)->Clone();
		}
		for(;i <= last; i++)
		{
			(*pNew1)[i] = mat.GetAt(i)->Clone();
			(*pNew2)[i] = GetAt(i)->Clone();
		}
		for(;i < mat.GetLength(); i++)
		{
			(*pNew1)[i] = GetAt(i)->Clone();
			(*pNew2)[i] = mat.GetAt(i)->Clone();
		}
	}
	else 
	{
		for(i = 0; i <= last; i++)
		{
			(*pNew1)[i] = mat.GetAt(i)->Clone();
			(*pNew2)[i] = GetAt(i)->Clone();
		}
		for(; i < first; i++)
		{
			(*pNew1)[i] = GetAt(i)->Clone();
			(*pNew2)[i] = mat.GetAt(i)->Clone();
		}
		for(; i < mat.GetLength(); i++)
		{	
			(*pNew1)[i] = mat.GetAt(i)->Clone();
			(*pNew2)[i] = GetAt(i)->Clone();
		}
	}
	for(; i < GetLength(); i++)
	{
		(*pNew1)[i] = GetAt(i)->Clone();
		(*pNew2)[i] = GetAt(i)->Clone();
	}

	pNew1->Init();
	pNew2->Init();
	pRes->Append(pNew1);
	pRes->Append(pNew2);
	return 2;
}