www.pudn.com > Integraller.rar > IntegrallerDlg.cpp
// IntegrallerDlg.cpp : implementation file
//
#include "stdafx.h"
#include "Integraller.h"
#include "IntegrallerDlg.h"
#include "Integral.h"
#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()
/////////////////////////////////////////////////////////////////////////////
// CIntegrallerDlg dialog
CIntegrallerDlg::CIntegrallerDlg(CWnd* pParent /*=NULL*/)
: CDialog(CIntegrallerDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CIntegrallerDlg)
// 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 CIntegrallerDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CIntegrallerDlg)
// NOTE: the ClassWizard will add DDX and DDV calls here
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CIntegrallerDlg, CDialog)
//{{AFX_MSG_MAP(CIntegrallerDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
ON_BN_CLICKED(IDC_BUTTON3, OnButton3)
ON_BN_CLICKED(IDC_BUTTON4, OnButton4)
ON_BN_CLICKED(IDC_BUTTON5, OnButton5)
ON_BN_CLICKED(IDC_BUTTON6, OnButton6)
ON_BN_CLICKED(IDC_BUTTON7, OnButton7)
ON_BN_CLICKED(IDC_BUTTON8, OnButton8)
ON_BN_CLICKED(IDC_BUTTON9, OnButton9)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CIntegrallerDlg message handlers
BOOL CIntegrallerDlg::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 CIntegrallerDlg::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 CIntegrallerDlg::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 CIntegrallerDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
// 变步长梯形求积法
void CIntegrallerDlg::OnButton1()
{
// 建立CIntegral的子类，在其中重载函数Func
class CInteg : public CIntegral
{
double Func(double x)
{
return exp(-x*x);
}
};
// 求解
CInteg Integ;
double dblValue = Integ.GetValueTrapezia(0.0, 1.0);
// 显示结果
CString s;
s.Format("积分值 = %f", dblValue);
AfxMessageBox(s, MB_OK|MB_ICONINFORMATION);
}
// 变步长辛卜生求积法
void CIntegrallerDlg::OnButton2()
{
// 建立CIntegral的子类，在其中重载函数Func
class CInteg : public CIntegral
{
double Func(double x)
{
return log(1.0+x)/(1.0+x*x);
}
};
// 求解
CInteg Integ;
double dblValue = Integ.GetValueSimpson(0.0, 1.0);
// 显示结果
CString s;
s.Format("积分值 = %f", dblValue);
AfxMessageBox(s, MB_OK|MB_ICONINFORMATION);
}
// 自适应梯形求积法
void CIntegrallerDlg::OnButton3()
{
// 建立CIntegral的子类，在其中重载函数Func
class CInteg : public CIntegral
{
double Func(double x)
{
return 1.0/(1.0+25.0*x*x);
}
};
// 求解
CInteg Integ;
double dblValue = Integ.GetValueATrapezia(-1.0, 1.0, 0.0001);
// 显示结果
CString s;
s.Format("积分值 = %f", dblValue);
AfxMessageBox(s, MB_OK|MB_ICONINFORMATION);
}
// 龙贝格求积法
void CIntegrallerDlg::OnButton4()
{
// 建立CIntegral的子类，在其中重载函数Func
class CInteg : public CIntegral
{
double Func(double x)
{
return x/(4.0+x*x);
}
};
// 求解
CInteg Integ;
double dblValue = Integ.GetValueRomberg(0.0, 1.0);
// 显示结果
CString s;
s.Format("积分值 = %f", dblValue);
AfxMessageBox(s, MB_OK|MB_ICONINFORMATION);
}
// 计算一维积分的连分式法
void CIntegrallerDlg::OnButton5()
{
// 建立CIntegral的子类，在其中重载函数Func
class CInteg : public CIntegral
{
double Func(double x)
{
return exp(-x*x);
}
};
// 求解
CInteg Integ;
double dblValue = Integ.GetValuePq(0.0, 4.3);
// 显示结果
CString s;
s.Format("积分值 = %f", dblValue);
AfxMessageBox(s, MB_OK|MB_ICONINFORMATION);
}
// 高振荡函数求积法
void CIntegrallerDlg::OnButton6()
{
double s[2];
double fa[4]={0.0,1.0,0.0,-3.0};
double fb[4]={6.2831852,1.0,-6.2831852,-3.0};
double a=0.0;
double b=6.2831852;
int m=30;
int n=4;
// 求解
CIntegral Integ;
double dblValue = Integ.GetValuePart(a, b, m, n, fa, fb, s);
// 显示结果
CString ss;
ss.Format("s(0) = %e\ns(1) = %e", s[0], s[1]);
AfxMessageBox(ss, MB_OK|MB_ICONINFORMATION);
}
// 勒让德－高斯求积法
void CIntegrallerDlg::OnButton7()
{
// 建立CIntegral的子类，在其中重载函数Func
class CInteg : public CIntegral
{
double Func(double x)
{
return x*x+sin(x);
}
};
// 求解
CInteg Integ;
double dblValue = Integ.GetValueLegdGauss(2.5, 8.4);
// 显示结果
CString s;
s.Format("积分值 = %f", dblValue);
AfxMessageBox(s, MB_OK|MB_ICONINFORMATION);
}
// 拉盖尔－高斯求积法
void CIntegrallerDlg::OnButton8()
{
// 建立CIntegral的子类，在其中重载函数Func
class CInteg : public CIntegral
{
double Func(double x)
{
return x*exp(-x);
}
};
// 求解
CInteg Integ;
double dblValue = Integ.GetValueLgreGauss();
// 显示结果
CString s;
s.Format("积分值 = %f", dblValue);
AfxMessageBox(s, MB_OK|MB_ICONINFORMATION);
}
// 埃尔米特－高斯求积法
void CIntegrallerDlg::OnButton9()
{
// 建立CIntegral的子类，在其中重载函数Func
class CInteg : public CIntegral
{
double Func(double x)
{
return x*x*exp(-x*x);
}
};
// 求解
CInteg Integ;
double dblValue = Integ.GetValueHermiteGauss();
// 显示结果
CString s;
s.Format("积分值 = %f", dblValue);
AfxMessageBox(s, MB_OK|MB_ICONINFORMATION);
}