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NumPy-based Python interface to Intel (R) MKL FFT functionality

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![image](https://github.com/IntelPython/mkl_fft/assets/55789098/8c0ba0e9-59c5-4667-8591-e088b6e166b0)

question

Hi, I've been using mkl_fft as a backend for scipy for a while now, and it works great! Unless i'm mistaken, the available 1-D transforms are the fft and rfft....

question

mkl_fft/setup.py:34: DeprecationWarning: `numpy.distutils` is deprecated since NumPy 1.23.0, as a result of the deprecation of `distutils` itself. It will be removed for Python >= 3.12. For older Python versions it...

When I try to run `conda install -c intel mkl_fft`, it shows the error: > Channels: > - intel > - conda-forge > - defaults > > Platform: win-64 >...

Is there any plan to add `fftshift` and `ifftshift` to mkl_fft, even if it is just an import and reexport from numpy or scipy? "real MKL" multithreaded versions would be...

I have installed numpy 1.23.5 in a Python 3.8 environment on Windows. If I have mkl_fft >1.3.8 installed, I get the following exception when I try to import numpy: ```...

Repeated indices in `axes` keyword are ignored while the transform over the repeated axis should be performed multiple times. Result from stock `NumPy` ``` # Name Version Build Channel #...

Following example returns an error ```Python # Name Version Build Channel # ──────────────────────────────────────────────────── # numpy 1.26.4 py311h689b997_3 intel # numpy-base 1.26.4 py311h913173e_3 intel # mkl_fft 1.3.8 py311h977b55c_72 intel import numpy...

For the following case, when input arrays data type is `float`, correct result is returned while for `integer` data type, result is incorrect. ```Python import numpy, mkl_fft from numpy.testing import...

For the following case, the output array shape from `mkl_fft.irfftn_numpy` and `NumPy` is different. ```Python import numpy, mkl_fft from numpy.testing import assert_allclose a = numpy.array([[[5, 7, 6, 5], [4, 6,...