wehub-resource-sync
45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
// Copyright (c) 2026 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/core/Tensor.h>
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#include <ATen/ops/_local_scalar_dense.h>
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namespace at {} // namespace at
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namespace at {
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inline at::Scalar Tensor::item() const {
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auto numel = this->sym_numel();
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PD_CHECK(numel == 1,
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"a Tensor with ",
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numel,
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" elements cannot be converted to Scalar");
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if (this->is_sparse()) {
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if (this->_nnz() == 0) return Scalar(0);
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if (this->is_coalesced()) return at::_local_scalar_dense(this->_values());
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return at::_local_scalar_dense(this->_values().sum());
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} else {
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return _local_scalar_dense(*this);
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}
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}
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template <typename T>
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T Tensor::item() const {
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return item().to<T>();
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}
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} // namespace at
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