tuple.cpp

关联分类算法采用贪心算法发现高质量分类规则

// TUPLE.cpp: implementation of the TUPLE class.
//
//////////////////////////////////////////////////////////////////////

#include "stdio.h"
#include "HashTable.h"
#include "DESCRIPTION.h"
#include "TUPLE.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

TUPLE::TUPLE()
{
	num_attr=0;
	attr=0;
	cls=0;
	weight=1.0;
}

TUPLE::TUPLE(const TUPLE& tuple)
{
	cls=tuple.cls;
	num_attr=tuple.num_attr;
	if(attr!=0) delete[] attr;
	attr=new int[num_attr];
	weight=tuple.weight;
}

TUPLE::~TUPLE()
{
	if(attr!=0) delete[] attr;
}

void TUPLE::Initialize(const DESCRIPTION& descript)
{
	num_attr=descript.GetNumAttr();
	if(attr!=0) delete[] attr;
	attr=new int[num_attr];
	weight=1.0;
}

void TUPLE::operator =(const TUPLE& tuple)
{
	cls=tuple.cls;
	num_attr=tuple.num_attr;
	if(attr!=0) delete[] attr;
	attr=new int[num_attr];
	weight=tuple.weight;
}