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import numpy as np
class NumPyBackend:
"""Backend that uses numpy.fft"""
__ua_domain__ = "numpy.scipy.fft"
@staticmethod
def __ua_function__(method, args, kwargs):
kwargs.pop("overwrite_x", None)
fn = getattr(np.fft, method.__name__, None)
return (NotImplemented if fn is None
else fn(*args, **kwargs))
class EchoBackend:
"""Backend that just prints the __ua_function__ arguments"""
__ua_domain__ = "numpy.scipy.fft"
@staticmethod
def __ua_function__(method, args, kwargs):
print(method, args, kwargs, sep='\n')
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