fftreal_wrapper.h Example File

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#ifndef FFTREAL_WRAPPER_H #define FFTREAL_WRAPPER_H #include <QtCore/QtGlobal> #if defined(FFTREAL_LIBRARY) # define FFTREAL_EXPORT Q_DECL_EXPORT #else # define FFTREAL_EXPORT Q_DECL_IMPORT #endif class FFTRealWrapperPrivate; // Each pass of the FFT processes 2^X samples, where X is the // number below. static const int FFTLengthPowerOfTwo = 12; /** * Wrapper around the FFTRealFixLen template provided by the FFTReal * library * * This class instantiates a single instance of FFTRealFixLen, using * FFTLengthPowerOfTwo as the template parameter. It then exposes * FFTRealFixLen<FFTLengthPowerOfTwo>::do_fft via the calculateFFT * function, thereby allowing an application to dynamically link * against the FFTReal implementation. * * See http://ldesoras.free.fr/prod.html */ class FFTREAL_EXPORT FFTRealWrapper { public: FFTRealWrapper(); ~FFTRealWrapper(); typedef float DataType; void calculateFFT(DataType in[], const DataType out[]); private: FFTRealWrapperPrivate* m_private; }; #endif // FFTREAL_WRAPPER_H

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