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C/C++ Source or Header  |  2003-02-08  |  495 b   |  17 lines
  1. /*************************************************************************
  2.     fft.h
  3.  
  4.     03/02/08    Xiaohong
  5. *************************************************************************/
  6. #ifndef _INCLUDE_FFT_H_____________________________
  7. #define _INCLUDE_FFT_H_____________________________
  8.  
  9. #define LOGBLKSIZE      10
  10. #define BLKSIZE         1024
  11.  
  12. bool fft(double x_real[BLKSIZE],
  13.          double x_imag[BLKSIZE],
  14.          double energy[BLKSIZE],
  15.          double phi[BLKSIZE],
  16.          const int N);
  17. #endif