Enum dft_pack_format¶
enum dft_pack_format dft¶
enum class dft_pack_format { … }Specifies the packing format for real DFT output data. See https://www.kfr.dev/docs/latest/dft_format/ for details
enum constant Perm ¶
PermPacked format: {DC, Nyquist}, X[1], X[2], ..., X[N/2-1] For even N, the number of complex samples is
\(\frac{N}{2}\) . For odd N, this format is equivalent to CCs and has \(\frac{N+1}{2}\) samples.
Fully qualified name: kfr::dft_pack_format::Perm
Declared at dft/fft.hpp:188
enum constant CCs ¶
CCsConjugate-symmetric format: {DC, 0}, X[1], X[2], ..., X[N/2-1], {Nyquist, 0} The number of complex samples is
\(\lfloor\frac{N}{2}\rfloor+1\) .
Fully qualified name: kfr::dft_pack_format::CCs
Declared at dft/fft.hpp:191
Fully qualified name: kfr::dft_pack_format
Declared at dft/fft.hpp:183
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