Function torch::nn::functional::cross_entropy

• Defined in File loss.h

Function Documentation

inline Tensor torch::nn::functional::cross_entropy(const Tensor &input, const Tensor &target, const CrossEntropyFuncOptions &options = {})

See https://pytorch.org/docs/main/nn.functional.html#torch.nn.functional.cross_entropy about the exact behavior of this functional.

See the documentation for torch::nn::functional::CrossEntropyFuncOptions class to learn what optional arguments are supported for this functional.

Example:

namespace F = torch::nn::functional;
F::cross_entropy(input, target,
F::CrossEntropyFuncOptions().ignore_index(-100).reduction(torch::kMean));