Function torch::fft::rfft

• Defined in File fft.h

Function Documentation

inline Tensor torch::fft::rfft(const Tensor &self, std::optional<SymInt> n = std::nullopt, int64_t dim = -1, std::optional<std::string_view> norm = std::nullopt)

Computes the 1 dimensional FFT of real input with onesided Hermitian output.

See https://pytorch.org/docs/main/fft.html#torch.fft.rfft.

Example:

auto t = torch::randn(128);
auto T = torch::fft::rfft(t);
assert(T.is_complex() && T.numel() == 128 / 2 + 1);