// DESCRIPTION.cpp: implementation of the DESCRIPTION class.////////////////////////////////////////////////////////////////////////#include "StdAfx.h"#include "memory.h"#include "stdio.h"#include "DESCRIPTION.h"//////////////////////////////////////////////////////////////////////// Construction/Destruction//////////////////////////////////////////////////////////////////////DESCRIPTION::DESCRIPTION(){	num_attr=0;	num_values=0;	type=0;	num_classes=0;}DESCRIPTION::DESCRIPTION(const DESCRIPTION& descript){	num_attr=descript.num_attr;	num_classes=descript.num_classes;	num_values=new int[num_attr];	type=new int[num_attr];	memcpy(type,descript.type,sizeof(int)*num_attr);	memcpy(num_values,descript.num_values,sizeof(int)*num_attr);}DESCRIPTION::~DESCRIPTION(){	if(num_values) delete num_values;	if(type) delete type;}void DESCRIPTION::operator =(const DESCRIPTION& descript){	if(num_values) delete num_values;	if(type) delete type;	num_attr=descript.num_attr;	num_classes=descript.num_classes;	num_values=new int[num_attr];	type=new int[num_attr];	memcpy(type,descript.type,sizeof(int)*num_attr);	memcpy(num_values,descript.num_values,sizeof(int)*num_attr);}void DESCRIPTION::SetNumAttr(int n){	num_attr=n;	num_values=new int[n];	type=new int[n];	for(int i=0;i<n;i++)	{		num_values[i]=0;		type[i]=1;	}}int	DESCRIPTION::GetNumAttr() const{	return num_attr;}	void DESCRIPTION::SetType(int i,int t){	type[i]=t;}int	DESCRIPTION::GetType(int i) const{	return type[i];}void DESCRIPTION::SetNumValues(int i,int n){	num_values[i]=n;}int	DESCRIPTION::GetNumValues(int i) const{	return num_values[i];}void DESCRIPTION::SetNumClasses(int n){	num_classes=n;}int	DESCRIPTION::GetNumClasses() const{	return num_classes;}void DESCRIPTION::WriteTo(FILE* stream) const{	fprintf(stream,"%d ",num_classes);	for(int i=0;i<num_classes;i++)	{		fprintf(stream,"0 ");	}	fprintf(stream,"\n");	fprintf(stream,"%d\n",num_attr);	for(int i=0;i<num_attr;i++)	{		fprintf(stream,"%d %d\n",type[i],num_values[i]);	}}bool DESCRIPTION::ReadFrom(FILE* stream){	int nAttr=0,temp;	if(fscanf(stream,"%d ",&num_classes)!=1) return false;	for(int i=0;i<num_classes;i++)	{		if(fscanf(stream,"%d ",&temp)!=1) return false;	}	fscanf(stream,"\n");	if(fscanf(stream,"%d\n",&nAttr)!=1) return false;	SetNumAttr(nAttr);	for(int i=0;i<num_attr;i++)	{		if(fscanf(stream,"%d %d\n",&(type[i]),&(num_values[i]))!=2)			return false;	}	return true;}