wehub-resource-sync
36 lines
1.0 KiB
C++
36 lines
1.0 KiB
C++
// Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <ATen/Tensor.h>
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#include <c10/core/ScalarType.h>
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#include <c10/util/Optional.h>
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namespace at {
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inline std::optional<Device> device_of(const Tensor& t) {
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if (t.defined()) {
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return t.device();
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} else {
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return std::nullopt;
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}
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}
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inline std::optional<Device> device_of(const std::optional<Tensor>& t) {
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return t.has_value() ? device_of(t.value()) : std::nullopt;
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}
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} // namespace at
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