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mindspore/mindspore/ccsrc/utils/base_ref_utils.cc

56 lines
2.2 KiB

/**
* Copyright 2020 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vector>
#include <memory>
#include "utils/base_ref_utils.h"
#include "include/ms_tensor.h"
#include "ir/tensor.h"
namespace mindspore {
void IterateFindTensor(std::vector<std::shared_ptr<inference::MSTensor>> *msTensors, const VectorRef &ref_list) {
for (size_t i = 0; i < ref_list.size(); ++i) {
if (utils::isa<tensor::TensorPtr>(ref_list[i])) {
auto tensor_ptr = utils::cast<std::shared_ptr<tensor::Tensor>>(ref_list[i]);
MS_EXCEPTION_IF_NULL(tensor_ptr);
auto tensor = new inference::Tensor(tensor_ptr);
msTensors->emplace_back(std::shared_ptr<inference::MSTensor>(tensor));
} else if (utils::isa<VectorRef>(ref_list[i])) {
auto ref_iter = utils::cast<VectorRef>(ref_list[i]);
IterateFindTensor(msTensors, ref_iter);
} else {
MS_LOG(EXCEPTION) << "The output is not a tensor";
}
}
}
std::vector<std::shared_ptr<inference::MSTensor>> TransformVectorRefToMultiTensor(const VectorRef &base_ref) {
std::vector<std::shared_ptr<inference::MSTensor>> msTensors;
if (utils::isa<VectorRef>(base_ref)) {
auto ref_list = utils::cast<VectorRef>(base_ref);
IterateFindTensor(&msTensors, ref_list);
} else if (utils::isa<tensor::Tensor>(base_ref)) {
auto tensor_ptr = utils::cast<std::shared_ptr<tensor::Tensor>>(base_ref);
MS_EXCEPTION_IF_NULL(tensor_ptr);
auto tensor = new inference::Tensor(tensor_ptr);
msTensors.emplace_back(std::shared_ptr<inference::MSTensor>(tensor));
} else {
MS_LOG(EXCEPTION) << "The output is not a base ref list or a tensor!";
}
return msTensors;
}
} // namespace mindspore