数值分析实验插值函数Word下载.docx

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数值分析实验插值函数Word下载.docx

public:

CAboutDlg();

//DialogData

//{{AFX_DATA(CAboutDlg)

enum{IDD=IDD_ABOUTBOX};

//}}AFX_DATA

//ClassWizardgeneratedvirtualfunctionoverrides

//{{AFX_VIRTUAL(CAboutDlg)protected:

virtualvoidDoDataExchange(CDataExchange*pDX);

//DDX/DDVsupport

//}}AFX_VIRTUAL

//Implementationprotected:

//{{AFX_MSG(CAboutDlg)

//}}AFX_MSGDECLARE_MESSAGE_MAP()

};

CAboutDlg:

:

CAboutDlg():

CDialog(CAboutDlg:

IDD)

//{{AFX_DATA_INIT(CAboutDlg)

//}}AFX_DATA_INIT

}

voidCAboutDlg:

DoDataExchange(CDataExchange*pDX)

CDialog:

DoDataExchange(pDX);

//{{AFX_DATA_MAP(CAboutDlg)

//}}AFX_DATA_MAP

BEGIN_MESSAGE_MAP(CAboutDlg,CDialog)

//{{AFX_MSG_MAP(CAboutDlg)

//Nomessagehandlers

//}}AFX_MSG_MAPEND_MESSAGE_MAP()

//CLDlgdialog

CLDlg:

CLDlg(CWnd*pParent/*=NULL*/)

CDialog(CLDlg:

IDD,pParent)

//{{AFX_DATA_INIT(CLDlg)

//NOTE:

theClassWizardwilladdmemberinitializationhere

//NotethatLoadIcondoesnotrequireasubsequentDestroyIconinWin32m_hIcon=AfxGetApp()->

LoadIcon(IDR_MAINFRAME);

voidCLDlg:

//{{AFX_DATA_MAP(CLDlg)

theClassWizardwilladdDDXandDDVcallshere

BEGIN_MESSAGE_MAP(CLDlg,CDialog)

//{{AFX_MSG_MAP(CLDlg)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_LARGRI,OnLargri)

ON_BN_CLICKED(IDC_BUTTON2,OnButton2)ON_BN_CLICKED(IDC_HERMITE,OnHermite)

//}}AFX_MSG_MAP

END_MESSAGE_MAP()

//CLDlgmessagehandlers

BOOLCLDlg:

OnInitDialog()

OnInitDialog();

//Add"

About..."

menuitemtosystemmenu.

//IDM_ABOUTBOXmustbeinthesystemcommandrange.ASSERT((IDM_ABOUTBOX&

0xFFF0)==IDM_ABOUTBOX);

ASSERT(IDM_ABOUTBOX<

0xF000);

CMenu*pSysMenu=GetSystemMenu(FALSE);

if(pSysMenu!

=NULL)

CStringstrAboutMenu;

strAboutMenu.LoadString(IDS_ABOUTBOX);

if(!

strAboutMenu.IsEmpty())

pSysMenu->

AppendMenu(MF_SEPARATOR);

AppendMenu(MF_STRING,IDM_ABOUTBOX,strAboutMenu);

//Settheiconforthisdialog. Theframeworkdoesthisautomatically

// whentheapplication'

smainwindowisnotadialogSetIcon(m_hIcon,TRUE);

//SetbigiconSetIcon(m_hIcon,FALSE);

//Setsmallicon

//TODO:

Addextrainitializationhere

returnTRUE;

//returnTRUE unlessyousetthefocustoacontrol

OnSysCommand(UINTnID,LPARAMlParam)

if((nID&

0xFFF0)==IDM_ABOUTBOX)

CAboutDlgdlgAbout;

dlgAbout.DoModal();

else



OnSysCommand(nID,lParam);

//Ifyouaddaminimizebuttontoyourdialog,youwillneedthecodebelow

// todrawtheicon. ForMFCapplicationsusingthedocument/viewmodel,

// thisisautomaticallydoneforyoubytheframework.

OnPaint()

if(IsIconic())

CPaintDCdc(this);

//devicecontextforpaintingSendMessage(WM_ICONERASEBKGND,(WPARAM)dc.GetSafeHdc(),0);

//Centericoninclientrectangle

intcxIcon=GetSystemMetrics(SM_CXICON);

intcyIcon=GetSystemMetrics(SM_CYICON);

CRectrect;

GetClientRect(&

rect);

intx=(rect.Width()-cxIcon+1)/2;

inty=(rect.Height()-cyIcon+1)/2;

//Drawtheicondc.DrawIcon(x,y,m_hIcon);

OnPaint();

//Thesystemcallsthistoobtainthecursortodisplaywhiletheuserdrags

// theminimizedwindow.

HCURSORCLDlg:

OnQueryDragIcon()

return(HCURSOR)m_hIcon;

OnOK()

intx00=300,y00=350,i,j;

doublex;

CDC*pDC=GetDC();

pDC->

SetMapMode(MM_LOMETRIC);

pDC->

SetViewportOrg(x00,y00);

//画坐标轴与原函数

for(i=-700;

i<

=700;

i++)

SetPixel(i,0,RGB(0,0,0));

SetPixel(0,i,RGB(0,0,0));

for(x=-1;

x<

=1;

x+=0.001)

doublej=400.0/(1+25*x*x);

SetPixel(x*500,j,RGB(360,0,0));

TextOut(-30,-10,"

0"

);

TextOut(-30,430,"

1"

TextOut(490,-10,"

TextOut(-490,-10,"

-1"

MoveTo(-10,680);

//x箭头

LineTo(0,700);

MoveTo(0,700);

LineTo(10,680);

MoveTo(680,10);

//y箭头

LineTo(700,0);

MoveTo(700,0);

LineTo(680,-10);

TextOut(-30,700,"

y"

TextOut(700,-10,"

x"

OnLargri()

//画坐标轴

doubleyx[]={-1,-0.8

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