rbfunc.h

快速fft变换的c实现

// RBFunc.h: interface for the RBFunc class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_RBFUNC_H__FD5ADCAD_A390_40DA_96D7_FFC1DD7035A3__INCLUDED_)
#define AFX_RBFUNC_H__FD5ADCAD_A390_40DA_96D7_FFC1DD7035A3__INCLUDED_

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

#include "ImplicitFunc.h"
#include "OctaTree.h"

class RBFunc : public ImplicitFunc  
{
private:
	PointSet *m_pPointSet;
	OctaTree *m_pOctaTree;
	double *m_pSolution;
	float m_fPrecision;
	float m_fSupport;
public:
	double* GetSolution();
	Mesh* Bloomenthal(float size, float o[3], float box[6]);
	void DirectFitGlobal(PointSet *ps, int functype = 2);
	void Draw(PointSet *ps);
	float* FMMFitGlobal(PointSet *ps, float tolerance);
	double* FitCoarseGrid(PointSet *ps, double *solution, int *pointIndex, float *b, int size, float tolerance);
	float GetValue(float x, float y, float z);
	RBFunc();
	virtual ~RBFunc();
private:
	//f(r, k, c) = (sqrt(||X-C||^2 + c*c))^(k);
	inline float BasicFunc(float *X, float *C, int k, float c);
	inline float Norm(float* p, int n);

};

#endif // !defined(AFX_RBFUNC_H__FD5ADCAD_A390_40DA_96D7_FFC1DD7035A3__INCLUDED_)