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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.
*/
#ifndef __NNCC_CORE_ADT_KERNEL_VIEW_IMPL_H__
#define __NNCC_CORE_ADT_KERNEL_VIEW_IMPL_H__
#include "nncc/core/ADT/kernel/Shape.h"
#include "nncc/core/ADT/kernel/Layout.h"
namespace nncc
{
namespace core
{
namespace ADT
{
namespace kernel
{
template <typename T> class ViewImpl
{
public:
explicit ViewImpl(const Shape &shape, const Layout &layout) : _shape{shape}, _layout{layout}
{
// DO NOTHING
}
public:
template <typename InputIt>
T at(InputIt it, uint32_t nth, uint32_t ch, uint32_t row, uint32_t col) const
{
return *(it + _layout.offset(_shape, nth, ch, row, col));
}
public:
template <typename InputIt>
T &at(InputIt it, uint32_t nth, uint32_t ch, uint32_t row, uint32_t col)
{
return *(it + _layout.offset(_shape, nth, ch, row, col));
}
public:
const Shape &shape(void) const { return _shape; }
private:
const Shape _shape;
const Layout _layout;
};
} // namespace kernel
} // namespace ADT
} // namespace core
} // namespace nncc
#endif // __NNCC_CORE_ADT_KERNEL_VIEW_IMPL_H__
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