o ٷiN@sUdZddlZddlmZddlmZddlmZddgZ ej a eee d <ed d d dd eeddfddZ defddZdS)z.Fast Fourier Transform (FFT) library containerN) ModuleType)Optional) deprecated get_fftlib set_fftlib__FFTLIBz0.11.0z1.0)versionversion_removedlibreturncCs|durtj}|adS)aSet the FFT library used by librosa. .. warning:: This functionality is deprecated in librosa 0.11 and will be removed in 1.0. To achieve the same effect, use either the `scipy.fft.set_backend` context manager or `scipy.fft.set_global_backend` function. Parameters ---------- lib : None or module Must implement an interface compatible with `scipy.fft`. If ``None``, reverts to `scipy.fft`. Examples -------- Use `pyfftw`: >>> import pyfftw >>> librosa.set_fftlib(pyfftw.interfaces.numpy_fft) Reset to default `scipy` implementation >>> librosa.set_fftlib() N)scipyfftr)r rD/home/ubuntu/.local/lib/python3.10/site-packages/librosa/core/fft.pyrscCstdurJtS)zGet the FFT library currently used by librosa Returns ------- fft : module The FFT library currently used by librosa. Must API-compatible with `numpy.fft`. N)rrrrrr2s )N)__doc__ scipy.fftr typesrtypingrutil.decoratorsr__all__rr__annotations__rrrrrrs