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/*
* Copyright (c) 2018-2021 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_ELEMENTWISE_UNARY_KERNEL_H
#define ARM_COMPUTE_CPU_ELEMENTWISE_UNARY_KERNEL_H
#include "arm_compute/core/Types.h"
#include "src/core/common/Macros.h"
#include "src/core/cpu/ICpuKernel.h"
namespace arm_compute
{
class ITensor;
namespace cpu
{
namespace kernels
{
/** Interface for an element-wise unary operation kernel
*
* Element-wise operation is computed by:
* @f[ dst(x) = OP(src(x))@f]
*
*/
class CpuElementwiseUnaryKernel : public ICpuKernel
{
public:
const char *name() const override
{
return "CpuElementwiseUnaryKernel";
}
/** Default constructor */
CpuElementwiseUnaryKernel();
/** Default destructor */
~CpuElementwiseUnaryKernel() = default;
ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuElementwiseUnaryKernel);
/** Function to configure the @ref CpuElementwiseUnaryKernel
*
* @param[in] op Arithmetic operation to be executed.
* @param[in] src First tensor input. Data types supported: F16/F32, F16/F32/S32 for NEG/ABS operations.
* @param[out] dst Output tensor. Data types supported: Same as @p src.
*/
void configure(ElementWiseUnary op, const ITensorInfo &src, ITensorInfo &dst);
/** Static function to check if given info will lead to a valid configuration of @ref CpuElementwiseUnaryKernel
*
* @param[in] op Arithmetic operation to be executed.
* @param[in] src First tensor input info. Data types supported: F16/F32, F16/F32/S32 for NEG/ABS operations.
* @param[in] dst Output tensor info. Data types supported: Same as @p src.
*
* @return a Status
*/
static Status validate(ElementWiseUnary op, const ITensorInfo &src, const ITensorInfo &dst);
// Inherited methods overridden:
void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override;
/** Common signature for all the specialised elementwise unary micro-kernels
*
* @param[in] window Region on which to execute the kernel.
*/
using ElementwiseUnaryUkernelPtr = std::add_pointer<void(const ITensor *, ITensor *, const Window &, ElementWiseUnary)>::type;
private:
ElementWiseUnary _op;
};
} // namespace kernels
} // namespace cpu
} // namespace arm_compute
#endif /* ARM_COMPUTE_CPU_ELEMENTWISE_UNARY_KERNEL_H */
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