30 lines
1.0 KiB
C++
30 lines
1.0 KiB
C++
/*
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* Copyright (c) 2025 by FlashInfer team.
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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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*/
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#pragma once
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#include <ATen/ops/tensor.h>
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inline at::Tensor vec_to_tensor(const std::vector<int64_t>& vec) {
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return at::tensor(vec, at::dtype(at::kLong).device(at::kCPU));
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}
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inline std::vector<int64_t> tensor_to_vec(const at::Tensor& tensor) {
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const size_t size = tensor.numel();
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const int64_t* first = tensor.const_data_ptr<int64_t>();
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const int64_t* last = first + size;
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return std::vector(first, last);
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}
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