TIM-VX/include/tim/vx/ops/l2normalization.h

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1.9 KiB
C++

/****************************************************************************
*
* Copyright (c) 2020 Vivante Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*****************************************************************************/
#ifndef TIM_VX_OPS_L2NOMALIZATION_H_
#define TIM_VX_OPS_L2NOMALIZATION_H_
#include "tim/vx/direct_map_op.h"
/**
* ## L2Normalization
*
* Applies L2 normalization along the axis dimension:
*
* ```
* output[batch, row, col, channel] =
* input[batch, row, col, channel] /
* sqrt(sum_{c} pow(input[batch, row, col, c], 2))
* ```
*/
namespace tim {
namespace vx {
namespace ops {
class L2Normalization : public DirectMapOp {
public:
L2Normalization(Graph* graph, int32_t axis);
std::shared_ptr<Operation> Clone(std::shared_ptr<Graph>& graph) const override;
protected:
int32_t axis_;
};
} // namespace ops
} // namespace vx
} // namespace tim
#endif