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/*
* Copyright (c) 2017-2021 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_CPU_ACTIVATION_KERNEL_H
#define ARM_COMPUTE_CPU_ACTIVATION_KERNEL_H
#include "src/core/common/Macros.h"
#include "src/core/cpu/ICpuKernel.h"
namespace arm_compute
{
namespace cpu
{
namespace kernels
{
/** Interface for the activation kernel */
class CpuActivationKernel : public ICpuKernel
{
public:
CpuActivationKernel() = default;
ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuActivationKernel);
/** Configure kernel for a given list of arguments
*
* @note If the output tensor is a nullptr, the activation function will be performed in-place
*
* @param[in, out] src Source tensor info. In case of @p dst tensor = nullptr, this tensor will store the result
* of the activation function. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM16/F16/F32.
* @param[out] dst Destination tensor info. Data type supported: same as @p src
* @param[in] activation_info Activation layer information.
*/
void configure(const ITensorInfo *src, ITensorInfo *dst, ActivationLayerInfo activation_info);
/** Static function to check if given info will lead to a valid configuration of @ref CpuActivationKernel
*
* @param[in] src Source tensor info. In case of @p dst tensor info = nullptr, this tensor will store the result
* of the activation function. Data types supported: QASYMM8/QASYMM8_SIGNED/QSYMM16/F16/F32.
* @param[in] dst Destination tensor info. Data type supported: same as @p src
* @param[in] act_info Activation layer information.
*
* @return a status
*/
static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const ActivationLayerInfo &act_info);
// Inherited methods overridden:
void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override;
const char *name() const override;
private:
ActivationLayerInfo _act_info{};
};
} // namespace kernels
} // namespace cpu
} // namespace arm_compute
#endif /* ARM_COMPUTE_CPU_ACTIVATION_KERNEL_H */
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