Function std::cuda_fft_r2c

#include <std/dsp/fft_cuda.h> source · definition

int cuda_fft_r2c(
    struct CudaBuf in,
    struct CudaBuf out,
    unsigned long n,
    unsigned long batch,
)

batch x n real -> batch x (n/2 + 1) complex (the non-redundant half).