Prepare for upcoming changes in Intel(R) MKL #52
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Intel(R) Math Kernel Library (MKL) has long had DFTI_PACKED_FORMAT DFTI_PACK deprecated, and that feature is going to be removed. This commit removes use of real-to-real packed transform calls and replaces them with use of real-to-complex and complex-to-real with pre-/post- processing. While less efficient, this only affects mkl_fft.rfft, mkl_fft.irfft which corresponds to a now deprecated scipy.fftpack.rfft. The tests were updated to work with NumPy 1.19
Travis: no longer build Py2 add NumPy >= 1.16 to setup.py remove pinning of version in host part made changes for local conda-build to run added blas=*=mkl try to work around inexplicable build failure of MacOSX due to failure of numpy to import
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Intel(R) Math Kernel Library (MKL) has long had DFTI_PACKED_FORMAT
DFTI_PACK deprecated, and that feature is going to be removed.
This commit removes use of real-to-real packed transform calls and
replaces them with use of real-to-complex and complex-to-real with
pre-/post- processing.
While less efficient, this only affects mkl_fft.rfft, mkl_fft.irfft
which corresponds to a now deprecated scipy.fftpack.rfft.
The tests were updated to work with NumPy 1.19