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/*
* Copyright (c) 2020 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.
*/
/*
* Copyright (c) 2017-2019 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* 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 __ARM_COMPUTE_NEACTIVATIONLAYEREX_H__
#define __ARM_COMPUTE_NEACTIVATIONLAYEREX_H__
#include "arm_compute/runtime/NEON/INESimpleFunctionNoBorder.h"
#include "arm_compute/core/Types.h"
namespace arm_compute
{
// Forward declarations
class ITensor;
/** Basic function to run @ref NEActivationLayerKernelEx
*
* @note The function simulates an activation layer with the specified activation function.
*/
class NEActivationLayerEx : public INESimpleFunctionNoBorder
{
public:
/** Constructor
*
* @param[in] ctx Runtime context to be used by the function
*/
NEActivationLayerEx(IRuntimeContext *ctx = nullptr);
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEActivationLayerEx(const NEActivationLayerEx &) = delete;
/** Default move constructor */
NEActivationLayerEx(NEActivationLayerEx &&) = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEActivationLayerEx &operator=(const NEActivationLayerEx &) = delete;
/** Default move assignment operator */
NEActivationLayerEx &operator=(NEActivationLayerEx &&) = default;
/** [NEActivationLayerEx snippet] **/
/** Set the input and output tensor.
*
* @note If the output tensor is a nullptr or is equal to the input, the activation function will
* be performed in-place
*
* @param[in, out] input Source tensor. In case of @p output tensor = nullptr, this
* tensor will store the result
* of the activation function. Data types supported:
* QASYMM8/QSYMM16/F16/F32.
* @param[out] output Destination tensor. Data type supported: same as @p input
* @param[in] activation_info Activation layer parameters.
*/
void configure(ITensor *input, ITensor *output, ActivationLayerInfo activation_info);
/** [NEActivationLayerEx snippet] **/
/** Static function to check if given info will lead to a valid configuration of @ref
* NEActivationLayerEx
*
* @param[in] input Source tensor info. In case of @p output tensor info = nullptr, this tensor
* will store the result
* of the activation function. Data types supported: QASYMM8/QSYMM16/F16/F32.
* @param[in] output Destination tensor info. Data type supported: same as @p input
* @param[in] act_info Activation layer information.
*
* @return a status
*/
static Status validate(const ITensorInfo *input, const ITensorInfo *output,
const ActivationLayerInfo &act_info);
};
} // namespace arm_compute
#endif /* __ARM_COMPUTE_NEACTIVATIONLAYEREX_H__ */
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