Function torch::fft::fft2

• Defined in File fft.h

Function Documentation

inline Tensor torch::fft::fft2(const Tensor &self, OptionalIntArrayRef s = c10::nullopt, IntArrayRef dim = {-2, -1}, c10::optional<c10::string_view> norm = c10::nullopt)

Computes the 2-dimensional fast Fourier transform over the given dimensions.

See https://pytorch.org/docs/main/fft.html#torch.fft.fft2.

Example:

auto t = torch::randn({128, 128}, dtype=kComplexDouble);
torch::fft::fft2(t);