cannam@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@0: 
cannam@0: /*
cannam@0:     QM DSP Library
cannam@0: 
cannam@0:     Centre for Digital Music, Queen Mary, University of London.
cannam@0: */
cannam@0: 
cannam@0: #ifndef FFT_H
cannam@0: #define FFT_H
cannam@0: 
cannam@0: class FFT  
cannam@0: {
cannam@0: public:
cannam@64:     FFT(unsigned int nsamples);
cannam@64:     ~FFT();
cannam@0: 
cannam@64:     void process(bool inverse,
cannam@64:                  const double *realIn, const double *imagIn,
cannam@64:                  double *realOut, double *imagOut);
cannam@64:     
cannam@64: private:
cannam@64:     unsigned int m_n;
cannam@64:     void *m_private;
cannam@0: };
cannam@0: 
cannam@64: class FFTReal
cannam@64: {
cannam@64: public:
cannam@64:     FFTReal(unsigned int nsamples);
cannam@64:     ~FFTReal();
cannam@64: 
cannam@64:     void process(bool inverse,
cannam@64:                  const double *realIn,
cannam@64:                  double *realOut, double *imagOut);
cannam@64: 
cannam@64: private:
cannam@64:     unsigned int m_n;
cannam@64:     void *m_private;
cannam@64: };    
cannam@64: 
cannam@0: #endif