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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.
*/
#include "nncc/core/ADT/tensor/LexicalLayout.h"
#include <cassert>
using nncc::core::ADT::tensor::Shape;
using nncc::core::ADT::tensor::Index;
// NOTE This forward declaration is introduced to minimize code diff
static uint32_t lexical_offset(const Shape &shape, const Index &index)
{
assert(shape.rank() > 0);
assert(shape.rank() == index.rank());
const uint32_t rank = shape.rank();
uint32_t res = index.at(0);
for (uint32_t axis = 1; axis < rank; ++axis)
{
res *= shape.dim(axis);
res += index.at(axis);
}
return res;
}
namespace nncc
{
namespace core
{
namespace ADT
{
namespace tensor
{
LexicalLayout::LexicalLayout() : Layout(lexical_offset)
{
// DO NOTHING
}
} // namespace tensor
} // namespace ADT
} // namespace core
} // namespace nncc
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