www.pudn.com > howtofft_src.zip > Fourier.h, change:2005-01-30,size:272b

#pragma once 
 
class CFourier 
{ 
public: 
	double pi; 
	unsigned long int fundamental_frequency; 
	float *vector; 
	CFourier(void); 
	~CFourier(void); 
	// FFT 1D 
	void ComplexFFT(float data[], unsigned long number_of_samples, unsigned int sample_rate, int sign); 
};