Function

vDSP_create_fftsetupD

Builds a data structure that contains precalculated data for use by double-precision FFT functions.

Declaration

FFTSetupD vDSP_create_fftsetupD(vDSP_Length __Log2n, FFTRadix __Radix);

Discussion

This is the same as vDSP_create_fftsetup, except for the type of the return value.

See Also

1D Fast Fourier Transforms (Support Functions)

vDSP_create_fftsetup

Builds a data structure that contains precalculated data for use by single-precision FFT functions.

vDSP_destroy_fftsetup

Frees an existing single-precision FFT data structure.

vDSP_destroy_fftsetupD

Frees an existing double-precision FFT data structure.