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📄 tspdlg.cpp

📁 商务旅行问题TSP用Hopfield人工神经网络实现
💻 CPP
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// TSPDlg.cpp : implementation file
//

#include "stdafx.h"
#include "TSP.h"
#include "TSPDlg.h"
#include "math.h"
#include "time.h"
#include "stdlib.h"
#include "stdio.h"


#define N 10
#define A 500
#define B 500
#define C 200
#define D 500
#define JC 500;
#define KC 500;
#define tt 300;
#define X0 0.02
#define det 0.001//积分时间间隔
int city[200][10];

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CTSPDlg dialog

CTSPDlg::CTSPDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTSPDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTSPDlg)
	m_length = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTSPDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTSPDlg)
	DDX_Control(pDX, IDC_PLAY, m_display);
	DDX_Text(pDX, IDC_EDIT1, m_length);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTSPDlg, CDialog)
	//{{AFX_MSG_MAP(CTSPDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnTSP)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTSPDlg message handlers

BOOL CTSPDlg::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 CTSPDlg::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 CTSPDlg::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 CTSPDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CTSPDlg::OnTSP() 
{
	// TODO: Add your control notification handler code here


	int x,y,i,j,t;
	int MAX=3000;
	int city[N];
	double distence1;
	double Distence=0;
	double MedA[N][N];
	double MedB[N][N];
	double Xinit=0.5*X0*log(N-1);
	double V[N][N];
	double X[N][N];
	double detax[N][N];
	double d[N][N];//城市归一化距离
	double label[N][2]={{0.4,0.4439},{0.2439,0.1463},{0.1707,0.2293},{0.2293,0.7610},{0.5171,0.9414},
						{0.8732,0.6536},{0.6878,0.5219},{0.8488,0.3609},{0.6683,0.2536},{0.6195,0.2634}};
	for(i=0;i<N;i++)
		for(j=0;j<N;j++)
		{
			d[i][j]=sqrt((label[i][0]-label[j][0])*(label[i][0]-label[j][0])+(label[i][1]-label[j][1])*(label[i][1]-label[j][1]));
		}
	//初始化
	double r[10][10];
	srand( (unsigned)time( NULL ) );
	for(i=0;i<N;i++)
	{
		for(j=0;j<N;j++)
			{	
				r[i][j]=(double)(rand()%100)/10000.0;
				X[i][j]=Xinit+r[i][j];
			}
	}
 	for(t=0;t<MAX;t++)
	{
		for(x=0;x<N;x++)
		{
			for(i=0;i<N;i++)
			{
				V[x][i]=(1+tanh(X[x][i]/X0))/2;
			}
		}
		for(x=0;x<N;x++)
		{
			for(i=0;i<N;i++)
			{
				detax[x][i]=this->TSPFUNC(x,i,V,d,X);
				X[x][i]=X[x][i]+detax[x][i]*det;
			}

		}
			
	//--------------判断收敛路径是否合理-------------------
		for(x=0;x<N;x++)
		{
			for(i=0;i<N;i++)
			{
				MedA[x][i]=0;
				MedB[x][i]=0;
			}
		}

		for (x=0;x<N;x++)
		{
			for (i=0;i<N;i++)
			{
				for (j=0;j<N;j++)
				{
					if (j!=i)
					{
						MedA[x][i]+=V[x][i]*V[x][j];
					}
				}				
			}
		}		

		for (i=0;i<N;i++)
		{
			for(x=0;x<N;x++)
			{
				for(y=0;y<N;y++)
				{
					if (x!=y)
					{
						MedB[x][i]+=V[x][i]*V[y][i];
					}
				}
			}				
		}

		double AddMA=0,AddMB=0,AddMV=0,Distence=0;
		for (x=0;x<N;x++)
		{
			for (i=0;i<N;i++)
			{
				AddMA+=MedA[x][i];
				AddMB+=MedB[x][i];					
				AddMV+=V[x][i];
			}
		}
	
		if((AddMA+AddMB==0)&&AddMV==10)
		{
			for (i=0;i<N;i++)
			{
				city[i]=0;
			}
			for (i=0;i<N;i++)
			{
				for (x=0;x<N;x++)
				{
					if (V[x][i]==1)
					{
						city[i]=x;
					}
				}				
			}
			Distence=0;
			for(i=0;i<N;i++)
			{
				if(i==N-1)
					Distence+=d[city[i]][city[0]];
				else Distence+=d[city[i]][city[i+1]];
			}
			distence1=Distence;

			break;
		}
	}
	int ppp=0;
	for(x=0;x<N;x++)
		for(i=x+1;i<N;i++)
		{
			if(city[x]==city[i])
			{
				ppp=1;
				break;
			}
		}
	CStatic *ms;
	ms=&m_display;
	CClientDC dc1(ms);
	CRect rect;
	m_display.GetClientRect(&rect);
	dc1.FillSolidRect(rect,RGB(151,255,255));
	CPen pen1,pen2,pen3;
	pen1.CreatePen(PS_SOLID,1,RGB(00,00,00)); 
	pen2.CreatePen(PS_SOLID,1,RGB(191,62,255));
	if(ppp==0)
	{
		char l[50];
		_gcvt(distence1,10,l);
		m_length=(LPCTSTR)l;
		UpdateData(FALSE);




		dc1.SelectObject(&pen1);

		for (i=0;i<N;i++)
		{
			dc1.SelectObject(&pen1);
			dc1.Ellipse(label[i][0]*rect.Width()-5,(1-label[i][1])*rect.Height()-5,label[i][0]*rect.Width()+5,(1-label[i][1])*rect.Height()+5);	
			char s[10];
			sprintf(s,"%d",i+1);
			if(i==8)
				dc1.TextOut(label[i][0]*rect.Width()+5,(1-label[i][1])*rect.Height()+15,s);
			else
				dc1.TextOut(label[i][0]*rect.Width(),(1-label[i][1])*rect.Height()+10,s);
			dc1.SelectObject(&pen2);
			if (i==N-1)
			{
				dc1.MoveTo(label[city[i]][0]*rect.Width(),(1-label[city[i]][1])*rect.Height());
				dc1.LineTo(label[city[0]][0]*rect.Width(),(1-label[city[0]][1])*rect.Height());
			}
			else
			{
				dc1.MoveTo(label[city[i]][0]*rect.Width(),(1-label[city[i]][1])*rect.Height());
				dc1.LineTo(label[city[i+1]][0]*rect.Width(),(1-label[city[i+1]][1])*rect.Height());
			}
		}
	}
	else
	{
		dc1.FillSolidRect(rect,RGB(151,255,255));


		MessageBox("不合理路径");
	}
}

double CTSPDlg::TSPFUNC(int p, int q, double V[][N], double Dist[][N], double U[][N])
{
	double DuDt=0;
	double a,b,c,d,e,f;
	int q1,q2;
	a=b=c=d=e=f=0;

	for (int j=0;j<N;j++)
	{
		if (j!=q)
		{
			a+=V[p][j];
		}
		
	}
	a=a*A;
//	cout<<a<<' ';
	for (int y=0;y<N;y++)
	{
		if (y!=p)
		{
			b+=V[y][q];
		}
		
	}
	b=b*B;
//	cout<<b<<' ';
	for (int x=0;x<N;x++)
	{
		for (j=0;j<N;j++)
		{
			c+=V[x][j];
		}
	}
	c=(c-N)*C;
//	cout<<c<<' ';
	for (y=0;y<N;y++)
	{
		if(q==N-1)
		{
			q1=0;
		}
		else 
		{
			q1=q+1;
		}
		if (q==0)
		{
			q2=N-1;
		}
		else
		{
			q2=q-1;
		}
		
		d+=Dist[p][y]*(V[y][q1]+V[y][q2]);
	}
	d=d*D;

	for (int i=0;i<N;i++)
	{
		e+=V[p][i];
	}

	e=(e-1)*JC;

	for (x=0;x<N;x++)
	{
		f+=V[x][q];
	}
	f=(f-1)*KC;

	DuDt=-U[p][q]/tt;
	DuDt=DuDt-a-b-c-d-e-f;

	return DuDt;
}

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