mark the plan arg in fft and ifft experimental
see
@@ -112,6 +112,10 @@ def fft(x, n=None, axis=-1, overwrite_x=False, plan=None):
The transformed array which shape is specified by ``n`` and type
will convert to complex if that of the input is another.
+ .. note::
+ The argument `plan` is currently experimental and the interface may be
+ changed in the future version.
+
.. seealso:: :func:`scipy.fftpack.fft`
"""
return _fft(x, (n,), (axis,), None, cufft.CUFFT_FORWARD,
@@ -141,6 +145,10 @@ def ifft(x, n=None, axis=-1, overwrite_x=False, plan=None):
The transformed array which shape is specified by ``n`` and type
will convert to complex if that of the input is another.
+ .. note::
+ The argument `plan` is currently experimental and the interface may be
+ changed in the future version.
+
.. seealso:: :func:`scipy.fftpack.ifft`
"""
return _fft(x, (n,), (axis,), None, cufft.CUFFT_INVERSE,
