bignumdlg.cpp

大的整数运算

// BigNumDlg.cpp : implementation file
//

#include "stdafx.h"
#include "BigNum.h"
#include "BigNumDlg.h"
#include "bigncal.h"
#include "string.h"
#include "math.h"
#include "shlwapi.h"  
#include "stdlib.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
static bool G=0;
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBigNumDlg dialog

CBigNumDlg::CBigNumDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBigNumDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBigNumDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CBigNumDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBigNumDlg)
	DDX_Control(pDX, IDC_BUTTON2, m_btn2);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CBigNumDlg, CDialog)
	//{{AFX_MSG_MAP(CBigNumDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	ON_BN_CLICKED(IDC_ADD, OnAdd)
	ON_BN_CLICKED(IDC_PLUS, OnPlus)
	ON_BN_CLICKED(IDC_MULTI, OnMulti)
	ON_BN_CLICKED(IDC_DIV, OnDiv)
	ON_BN_CLICKED(IDC_MOD, OnMod)
	ON_BN_CLICKED(IDC_BUTTON1, Ontransfer)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBigNumDlg message handlers
bool CBigNumDlg::judge(char ch[],int N)
{
	int i;
	bool k = 0;        //判断是否有不符合的数字出现
	for(i = 0;i<N;i++)
	{
		if((ch[i]>='a'&&ch[i]<='f'||ch[i]>='A'&&ch[i]<='F')&&G||ch[i]>='0'&&ch[i]<='9')
//        if(ch[i]>='0'&&ch[i]<='9')
			k = 0;
		else
		{
			k = 1;
			break;
		}
	}
	return k;     //k＝0则表示所有数字都符合
}
/*把字符串转换成16进制的数字存入BNum 类型中*/
void CBigNumDlg::chto_i(CString str,BNum *p)
{
    BN_Reset(p);
	int n = str.GetLength();
	str.MakeLower();
	CString StrTmp;
	int m = 0;//m为记录第几个八位的数字
	char cTemp;
	int nTemp = 0;
	for(int i = n-1;i>=0;i--)
	{
		StrTmp = str.Mid(i,1);         //每次取出来一个字母
		sprintf(&cTemp,"%s",StrTmp);
		switch(cTemp)
		{
			case   '0':   
                    nTemp=0;   
		        	break;   
			case   '1':   
							nTemp=1;   
			        break;   
			case   '2':   
			 				nTemp=2;   
			        break;   
			case   '3':   
							nTemp=3;   
			        break;   
			case   '4':   
							nTemp=4;   
		        	break;   
			case   '5':   
							nTemp=5;   
			        break;   
			case   '6':   
							nTemp=6;   
			        break;   
			case   '7':   
							nTemp=7;   
		        	break;   
			case   '8':   
							nTemp=8;   
			        break;   
			case   '9':   
							nTemp=9;   
			        break;   
			case   'a':   
							nTemp=10;   
			        break;   
			case   'b':   
							nTemp=11;   
			        break;   
			case   'c':   
							nTemp=12;   
			        break;   
			case   'd':   
							nTemp=13;   
			        break;   
			case   'e':   
							nTemp=14;   
			        break;   
			case   'f':   
							nTemp=15;   
			        break;   
			default:   
						  return  ;   
			        break;   
		}
//         p->Data[m/8] = p->Data[m/8]+nTemp*(int)pow(10,m%8);
         p->Data[m/8] = p->Data[m/8]+nTemp*(int)pow(16,m%8);
		 m++;
	}
}
void CBigNumDlg::chtoi(CString str,BNum *p)
{
    BN_Reset(p);
	int n = str.GetLength();
	str.MakeLower();
	CString StrTmp;
	int m = 0;//m为记录第几个八位的数字
	char cTemp;
	int nTemp = 0;
	for(int i = n-1;i>=0;i--)
	{
		StrTmp = str.Mid(i,1);         //每次取出来一个字母
		sprintf(&cTemp,"%s",StrTmp);
		switch(cTemp)
		{
			case   '0':   
                    nTemp=0;   
		        	break;   
			case   '1':   
							nTemp=1;   
			        break;   
			case   '2':   
			 				nTemp=2;   
			        break;   
			case   '3':   
							nTemp=3;   
			        break;   
			case   '4':   
							nTemp=4;   
		        	break;   
			case   '5':   
							nTemp=5;   
			        break;   
			case   '6':   
							nTemp=6;   
			        break;   
			case   '7':   
							nTemp=7;   
		        	break;   
			case   '8':   
							nTemp=8;   
			        break;   
			case   '9':   
							nTemp=9;   
			        break;     
			default:   
						  return  ;   
			        break;   
		}
         p->Data[m/8] = p->Data[m/8]+nTemp*(int)pow(10,m%8);
//         p->Data[m/8] = p->Data[m/8]+nTemp*(int)pow(16,m%8);
		 m++;
	}
}
/*把BNum类型的数据转换成字符串存入str中*/
void CBigNumDlg::itoch(CString &str,BNum *p)
{
   str = "";
   int m = BN_GetAddr(p);
   char ch[9] = {0};  //需要九位的数字,最后是零
   for(int i = m;i>=0;i--)
   {
      _itoa(p->Data[i],ch,16);
	  str+=ch;
   }
}

BOOL CBigNumDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CBigNumDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CBigNumDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CBigNumDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CBigNumDlg::OnExit()