andrew@0: //
andrew@0: //  accFFT.h
andrew@0: //  AccelerateFFTtool
andrew@0: //
andrew@0: //  Created by Adam Stark on 17/07/2012.
andrew@0: //  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
andrew@0: //
andrew@0: 
andrew@0: #ifndef AccelerateFFTtool_accFFT_h
andrew@0: #define AccelerateFFTtool_accFFT_h
andrew@0: 
andrew@0: #include <Accelerate/Accelerate.h>
andrew@0: 
andrew@0: typedef double fft_complex[2];
andrew@0: 
andrew@0: class accFFT {
andrew@0: public:
andrew@0:     accFFT(int fft_size,int type);       // constructor
andrew@0:     ~accFFT();                  // destructor
andrew@0:     void forward_FFT_f(float *buffer,float *real,float *imag); // forward fft (float)
andrew@0:     void forward_FFT_d(double *buffer,fft_complex *out); // forward fft (double)
andrew@0:     
andrew@0: 
andrew@0:     
andrew@0: private:
andrew@0:     size_t              fftSize;
andrew@0:     size_t              fftSizeOver2;
andrew@0:     size_t              log2n;
andrew@0:     size_t              log2nOver2;
andrew@0:     size_t               i;                  
andrew@0:     
andrew@0:     FFTSetup            fftSetup;
andrew@0:     FFTSetupD           fftSetupD;
andrew@0:     COMPLEX_SPLIT       split;
andrew@0:     DOUBLE_COMPLEX_SPLIT d_split;
andrew@0:     
andrew@0:     int                  fft_type;
andrew@0:     
andrew@0: };
andrew@0: 
andrew@0: #endif