24 #ifndef ARM_COMPUTE_UTILS_HELPERS_FFT_H 25 #define ARM_COMPUTE_UTILS_HELPERS_FFT_H 43 std::vector<unsigned int>
decompose_stages(
unsigned int N,
const std::set<unsigned int> &supported_factors);
51 std::vector<unsigned int>
digit_reverse_indices(
unsigned int N,
const std::vector<unsigned int> &fft_stages);
std::vector< unsigned int > decompose_stages(unsigned int N, const std::set< unsigned int > &supported_factors)
Decompose a given 1D input size using the provided supported factors.
std::vector< unsigned int > digit_reverse_indices(unsigned int N, const std::vector< unsigned int > &fft_stages)
Calculate digit reverse index vector given fft size and the decomposed stages.
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