Developer Reference for Intel® oneAPI Math Kernel Library for C

ID 766684
Date 3/22/2024
Public

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Cluster FFT Descriptor Configuration Functions

There are two functions in this category: the value-setting function DftiSetValueDM sets one particular configuration parameter to an appropriate value, and the value-getting function DftiGetValueDM reads the value of one particular configuration parameter.

Some configuration parameters used by cluster FFT functions originate from the conventional FFT interface (see Configuration Settings for details).

Other configuration parameters are specific to the cluster FFT. Integer values of these parameters have type MKL_LONG. The exact type of the configuration parameters being floating-point scalars is float or double (matching DFTI_PRECISION). The configuration parameters whose values are named constants have the enum type. They are defined in the mkl_cdft.h header file.

The names of the configuration parameters specific to the cluster FFT interface have the CDFT prefix.