fftcode.h

普林斯顿开发的快速球面调和变换算法

// FFTcode.h: interface for the FFTcode class.
//
//////////////////////////////////////////////////////////////////////
#include "indextables.h"
#include "permroots.h"

#if !defined(AFX_FFTCODE_H__6D9E68E9_5600_4670_957D_837700BF2BDA__INCLUDED_)
#define AFX_FFTCODE_H__6D9E68E9_5600_4670_957D_837700BF2BDA__INCLUDED_

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

class FFTcode  
{
public:
	indextables ind;
	void FFTInterp( double *reals, double *imags, double *r_vals, double *i_vals, int N,int K, double *workspace, int brflag );
	void FFTEval( double *reals, double *imags, double *r_vals,double *i_vals, int N, int K, double *workspace, int brflag);
	static int ilog2fast(int value);
	FFTcode();
	virtual ~FFTcode();

};

#endif // !defined(AFX_FFTCODE_H__6D9E68E9_5600_4670_957D_837700BF2BDA__INCLUDED_)