fftdlg.h

用C++语言对1024点的FFT进行编程

// FFTDlg.h : header file
//

#if !defined(AFX_FFTDLG_H__9CBD83DE_3C49_4457_951B_B3EE89D90862__INCLUDED_)
#define AFX_FFTDLG_H__9CBD83DE_3C49_4457_951B_B3EE89D90862__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// CFFTDlg dialog
#include "inputdlg.h"
const int maxnum = 256;
class CFFTDlg : public CDialog
{
// Construction
public:
	CFFTDlg(CWnd* pParent = NULL);	// standard constructor
	double Last[maxnum];
	double m_real[maxnum];
// Dialog Data
	//{{AFX_DATA(CFFTDlg)
	enum { IDD = IDD_FFT_DIALOG };
	CListBox	m_showData;
	int		m_F;
	int		m_N;
	double	m_T;
	BOOL	m_addZero;
	//}}AFX_DATA

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

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CFFTDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnInput();
	afx_msg void Onabout();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
private:
	double x_imag[maxnum];
	double x_real[maxnum];
	void FFT(int n,int f,double t);
	CRect m_rectClient2;
	CRect m_rectClient1;
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_FFTDLG_H__9CBD83DE_3C49_4457_951B_B3EE89D90862__INCLUDED_)