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| #ifndef _FFT_HELPER_HH_7543285760478075043
| #define _FFT_HELPER_HH_7543285760478075043
| class FFTHelper
| {
| private:
| void bitrp(double* xreal, double* ximag, int n);
| public:
| int FFT(double* xreal, double* ximag, int len);
| int IFFT(double* xreal, double* ximag, int len);
| };
|
| #endif
|
|