o aÆ&i=ã@shUdZddlmZddlmZddgZdaeeed<d deed dfd d„Zd efd d„Z edƒdS) z.Fast Fourier Transform (FFT) library containeré)Ú ModuleType)ÚOptionalÚ get_fftlibÚ set_fftlibNÚ__FFTLIBÚlibÚreturncCs |dur ddlm}|}|adS)a—Set the FFT library used by librosa. Parameters ---------- lib : None or module Must implement an interface compatible with `numpy.fft`. If ``None``, reverts to `numpy.fft`. Examples -------- Use `pyfftw`: >>> import pyfftw >>> librosa.set_fftlib(pyfftw.interfaces.numpy_fft) Reset to default `numpy` implementation >>> librosa.set_fftlib() Nr)Úfft)Únumpyr r)rr ©r ú;C:\wamp64\www\opt\env\Lib\site-packages\librosa/core/fft.pyrs cCstdurJ‚tS)z½Get the FFT library currently used by librosa Returns ------- fft : module The FFT library currently used by librosa. Must API-compatible with `numpy.fft`. N)rr r r r r-s )N) Ú__doc__ÚtypesrÚtypingrÚ__all__rÚ__annotations__rrr r r r Ús