forked from huawei/mindspore2022
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/**
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* Copyright 2021 Huawei Technologies Co., Ltd
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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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#include <sys/stat.h>
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#include <unistd.h>
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#include <map>
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#include <memory>
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#include <set>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include "include/dataset/datasets.h"
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#include "include/dataset/iterator.h"
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#include "include/dataset/vision_lite.h"
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#include "include/dataset/transforms.h"
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#include "include/api/types.h"
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using mindspore::dataset::Dataset;
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using mindspore::dataset::Iterator;
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using mindspore::dataset::Mnist;
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using mindspore::dataset::TensorTransform;
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int main(int argc, char **argv) {
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std::string folder_path = "./testMnistData/";
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std::shared_ptr<Dataset> ds = Mnist(folder_path, "all");
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std::shared_ptr<TensorTransform> resize(new mindspore::dataset::vision::Resize({32, 32}));
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ds = ds->Map({resize});
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ds = ds->Shuffle(2);
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ds = ds->Batch(2);
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std::shared_ptr<Iterator> iter = ds->CreateIterator();
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std::unordered_map<std::string, mindspore::MSTensor> row;
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iter->GetNextRow(&row);
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uint64_t i = 0;
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while (row.size() != 0) {
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i++;
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iter->GetNextRow(&row);
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}
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iter->Stop();
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}
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