fftmy.h

fft and convolution

#if !defined(AFX_FFTMY_H__D10425BF_152E_4EEF_8242_912EAD7080E8__INCLUDED_)
#define AFX_FFTMY_H__D10425BF_152E_4EEF_8242_912EAD7080E8__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// fftmy.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// fftmy window
typedef struct{
double real;
double image;
}fushu;
class fftmy : public CStatic
{
// Construction
public:
	fftmy();

// Attributes
public:
    fushu fftmy::fucheng(fushu a,fushu b);
	fushu fftmy::fujia(fushu a,fushu b);
	fushu fftmy::fujian(fushu a,fushu b);
	void fftmy::floorll(int L,int N,fushu A[]);
	int fftmy:: nextinvorder(int J,int N);
	void fftmy:: reorder(fushu  A[],int N);
	void fftmy:: FFTmy(fushu A[],int N);
	void fftmy:: fuabs(fushu A[] , int N , double B[]);
	void fftmy:: inver(fushu A[],int N);
	void fftmy:: convolution(fushu A[],fushu B[],fushu Y[],int N);
	void fftmy:: convolutioncommon(fushu A[],fushu B[],fushu Y[],int N,int M);

	void fftmy::test();
	void fftmy::gettimecost();
	
// Operations
public:
   long time1;
   long time2;
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(fftmy)
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~fftmy();

	// Generated message map functions
protected:
	//{{AFX_MSG(fftmy)
		// NOTE - the ClassWizard will add and remove member functions here.
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////

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

#endif // !defined(AFX_FFTMY_H__D10425BF_152E_4EEF_8242_912EAD7080E8__INCLUDED_)