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/*
* Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
*
* 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.
*/
/**
* @file Reader.h
* @brief This file contains Reader class
* @ingroup COM_AI_RUNTIME
*/
#ifndef __NNFW_SUPPORT_NNAPI_FEATURE_READER_H__
#define __NNFW_SUPPORT_NNAPI_FEATURE_READER_H__
#include "support/nnapi/feature/Utils.h"
#include "util/feature/Shape.h"
#include "util/feature/Reader.h"
namespace nnfw
{
namespace support
{
namespace nnapi
{
namespace feature
{
/**
* @brief Class to read value of feature which is inherited from nnfw::util::feature::Reader<T> class
*/
template<typename T> class Reader : public nnfw::util::feature::Reader<T>
{
public:
/**
* @brief Construct a new Reader object with base and shape informations
* @param[in] shape The shape of a feature
* @param[in] base The base address of a feature
*/
Reader(const nnfw::util::feature::Shape &shape, const T *base)
: _shape{shape}, _base{base}
{
// DO NOTHING
}
public:
/**
* @brief Get the value used by three indexes
* @param[in] ch The channel index
* @param[in] row The row index
* @param[in] col The column index
* @return The value at the offset
*/
T at(uint32_t ch, uint32_t row, uint32_t col) const override
{
return *(_base + indexOf(_shape, ch, row, col));
}
private:
nnfw::util::feature::Shape _shape; /**< Shape of feature */
const T *_base; /**< Base address of feature */
};
} // namespace feature
} // namespace nnapi
} // namespace support
} // namespace nnfw
#endif // __NNFW_SUPPORT_NNAPI_FEATURE_READER_H__
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