mindspore2022/mindspore/ccsrc/minddata/dataset/api/transforms.cc

74 lines
2.5 KiB
C++

/**
* Copyright 2020-2021 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 "minddata/dataset/include/transforms.h"
namespace mindspore {
namespace dataset {
// Transform operations for data.
namespace transforms {
// FUNCTIONS TO CREATE DATA TRANSFORM OPERATIONS
// (In alphabetical order)
// Function to create ComposeOperation.
std::shared_ptr<ComposeOperation> Compose(const std::vector<std::shared_ptr<TensorOperation>> &transforms) {
auto op = std::make_shared<ComposeOperation>(transforms);
// Input validation
return op->ValidateParams() ? op : nullptr;
}
// Constructor to Duplicate
Duplicate::Duplicate() {}
std::shared_ptr<TensorOperation> Duplicate::Parse() { return std::make_shared<DuplicateOperation>(); }
// Constructor to OneHot
OneHot::OneHot(int32_t num_classes) : num_classes_(num_classes) {}
std::shared_ptr<TensorOperation> OneHot::Parse() { return std::make_shared<OneHotOperation>(num_classes_); }
// Function to create RandomApplyOperation.
std::shared_ptr<RandomApplyOperation> RandomApply(const std::vector<std::shared_ptr<TensorOperation>> &transforms,
double prob) {
auto op = std::make_shared<RandomApplyOperation>(transforms, prob);
// Input validation
return op->ValidateParams() ? op : nullptr;
}
// Function to create RandomChoiceOperation.
std::shared_ptr<RandomChoiceOperation> RandomChoice(const std::vector<std::shared_ptr<TensorOperation>> &transforms) {
auto op = std::make_shared<RandomChoiceOperation>(transforms);
// Input validation
return op->ValidateParams() ? op : nullptr;
}
// Constructor to TypeCast
TypeCast::TypeCast(std::string data_type) : data_type_(data_type) {}
std::shared_ptr<TensorOperation> TypeCast::Parse() { return std::make_shared<TypeCastOperation>(data_type_); }
#ifndef ENABLE_ANDROID
// Constructor to Unique
Unique::Unique() {}
std::shared_ptr<TensorOperation> Unique::Parse() { return std::make_shared<UniqueOperation>(); }
#endif
} // namespace transforms
} // namespace dataset
} // namespace mindspore