yyzincompleteis2.cpp

来自「某个实验事编写粗糙集智能信息处理的程序」· C++ 代码 · 共 113 行

 // YyzImcompleteIS2.cpp: implementation of the CYyzImcompleteIS2 class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "YyzIncompleteIS2.h"
#include "globe2.h"
#include "iostream.h"
#include <string.h>
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
using namespace globe2;

CYyzIncompleteIS2::CYyzIncompleteIS2()
{
	pNum=new int[2];
//	FileName=new char[256];
}

CYyzIncompleteIS2::~CYyzIncompleteIS2()
{
	int i,j;
	for(i=0;i<Rec_Num;i++)
	{
		for(int j=0;j<ConAttrNum;j++)
			delete[] ISTable[i][j];
		delete[] ISTable[i];
	}
	delete[] ISTable;
	for(i=0;i<Rec_Num;i++){
		delete[] pIS[i];
	}
	delete[] pIS;
	delete[] pDecis;
	delete[] pNum;
	for(int m=0;m<ConAttrNum+1;m++)
	{
		delete[] ConName[m];
		delete[] ConType[m];
	}
	delete[] ConType;
	delete[] ConName;
//	delete[] FileName;
}

void CYyzIncompleteIS2::InitIS(char* filename)
{
	int j;
	In_File=filename;
	ReadRecConNum(filename,pNum);
	Rec_Num=pNum[1];
    ConAttrNum=pNum[0];
//	delete[] pNum;
	ISTable=new char **[Rec_Num];//Initial ISTable
	for(i=0;i<Rec_Num;i++)
	{
		ISTable[i]=new char*[ConAttrNum];
		for(j=0;j<ConAttrNum;j++)
			ISTable[i][j]=new char [1000];
	}
    pIS=new  float * [Rec_Num];
	for(i=0;i<Rec_Num;i++)
	{
		pIS[i]=new float [ConAttrNum];
	}
    pConAttr=new int[ConAttrNum];// condition attribut sets
	for(i=0;i<ConAttrNum;i++){// condition attribut sets
		pConAttr[i]=i;// condition attribut sets
	}
	ConAttrSet.SetParameter (pConAttr,ConAttrNum);// condition attribut sets
	delete[] pConAttr;
	pDecis=new int[Rec_Num];
	ConName= new char*[ConAttrNum+1];
	ConType= new char*[ConAttrNum+1];
	for(i=0;i<ConAttrNum+1;i++)
	{
		ConName[i]=new char[20];
		ConType[i]=new char[20];
	}
	InputInfSys(filename,pIS,ISTable,pDecis,ConName,ConType);
}

bool CYyzIncompleteIS2::perform()
{
	int RecNum=Rec_Num;
    bool bAllAsterisk=true;
	int i,j;
	for(i=0;i<RecNum;i++){
		for(j=0;j<ConAttrSet.GetCard ();j++){
			if(!((pIS[i][j]==-1) && strcmp(ISTable[i][j],"-")==0))
			{
                  bAllAsterisk=false;//至少存在一个非"-"的数据
				  break;
			}
		}
	}
	if(bAllAsterisk){
		AfxMessageBox(" 没有意义的数据集");
		return false;
	}

	float Criterion;
    Criterion =float(CardofPosRegion(pIS,ISTable,pDecis,RecNum,ConAttrSet))/(1.0*RecNum);
	SelConAttrSet(Criterion,Rset, pIS,ISTable,RecNum,ConAttrSet, pDecis);
	return true;
}

void CYyzIncompleteIS2::WriteFile(char *filename)
{
	GenerateRules(In_File,filename,pIS,ISTable,pDecis,Rset,Rec_Num,ConAttrNum,ConName,ConType);
}