When using FFTW and links with Intel® MKL 10.2 update 3, it needs to be consistent in matching fftw_malloc & fftw_free statements. We changed the fftwl_malloc and fftwl_free to call MKL_malloc and MKL_free from MKL 10.2 update 3 onwards.
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FFTW mismatching malloc and free calls result error
