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#pragma once
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#include <ATen/core/Generator.h>
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namespace at {
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struct TORCH_XPU_API XPUGeneratorImpl : public GeneratorImpl {
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XPUGeneratorImpl(DeviceIndex device_index = -1);
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~XPUGeneratorImpl() override = default;
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std::shared_ptr<XPUGeneratorImpl> clone() const;
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void set_current_seed(uint64_t seed) override;
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void set_offset(uint64_t offset) override;
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uint64_t get_offset() const override;
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uint64_t current_seed() const override;
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uint64_t seed() override;
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void set_state(const c10::TensorImpl& new_state) override;
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c10::intrusive_ptr<c10::TensorImpl> get_state() const override;
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void set_philox_offset_per_thread(uint64_t offset);
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uint64_t philox_offset_per_thread() const;
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std::pair<uint64_t, uint64_t> philox_engine_inputs(uint64_t increment);
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static c10::DeviceType device_type();
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private:
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XPUGeneratorImpl* clone_impl() const override;
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uint64_t seed_ = default_rng_seed_val;
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uint64_t philox_offset_per_thread_ = 0;
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};
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namespace xpu::detail {
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TORCH_XPU_API const Generator& getDefaultXPUGenerator(DeviceIndex device = -1);
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TORCH_XPU_API Generator createXPUGenerator(DeviceIndex device = -1);
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}
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}
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