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#pragma once
#include <torch/csrc/autograd/function_hook.h>
#include <functional>
#include <memory>
namespace torch::autograd {
using hooks_list =
std::vector<std::function<at::TensorBase(const at::TensorBase&)>>;
struct CppFunctionTensorPreHook : public FunctionPreHook {
CppFunctionTensorPreHook(std::shared_ptr<hooks_list> hooks, size_t value_idx);
variable_list operator()(const variable_list& values) override;
std::shared_ptr<hooks_list> hooks_;
size_t value_idx_;
};
struct CppFunctionSingleTensorPreHook : public FunctionPreHook {
CppFunctionSingleTensorPreHook(
std::function<at::TensorBase(const at::TensorBase&)> hook,
size_t value_idx);
variable_list operator()(const variable_list& values) override;
std::function<at::TensorBase(const at::TensorBase&)> hook_;
size_t value_idx_;
};
} // namespace torch::autograd
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