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/*
* Copyright (c) 2016-2018 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_NEMAGNITUDEPHASEKERNEL_H__
#define __ARM_COMPUTE_NEMAGNITUDEPHASEKERNEL_H__
#include "arm_compute/core/NEON/INEKernel.h"
#include "arm_compute/core/Types.h"
namespace arm_compute
{
class ITensor;
/** Template interface for the kernel to compute magnitude and phase */
template <MagnitudeType mag_type, PhaseType phase_type>
class NEMagnitudePhaseKernel : public INEKernel
{
public:
const char *name() const override
{
return "NEMagnitudePhaseKernel";
}
/** Default constructor */
NEMagnitudePhaseKernel();
/** Destructor */
~NEMagnitudePhaseKernel() = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEMagnitudePhaseKernel(const NEMagnitudePhaseKernel &) = delete;
/** Default move constructor */
NEMagnitudePhaseKernel(NEMagnitudePhaseKernel &&) = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEMagnitudePhaseKernel &operator=(const NEMagnitudePhaseKernel &) = delete;
/** Default move assignment operator */
NEMagnitudePhaseKernel &operator=(NEMagnitudePhaseKernel &&) = default;
/** Initialise the kernel's input, output.
*
* @note At least one of out1 or out2 must be set
*
* @param[in] gx Gradient X tensor. Data type supported: S16.
* @param[in] gy Gradient Y tensor. Data type supported: S16.
* @param[out] magnitude (Optional) The output tensor - Magnitude. Data type supported: S16.
* @param[out] phase (Optional) The output tensor - Phase. Data type supported: U8.
*/
void configure(const ITensor *gx, const ITensor *gy, ITensor *magnitude, ITensor *phase);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
private:
/** Function to perform magnitude on the given window
*
* @param[in] window Region on which to execute the kernel
*/
void magnitude(const Window &window);
/** Function to perform phase on the given window
*
* @param[in] window Region on which to execute the kernel
*/
void phase(const Window &window);
/** Function to perform magnitude and phase on the given window
*
* @param[in] window Region on which to execute the kernel
*/
void magnitude_phase(const Window &window);
private:
/** Common signature for all the specialised MagnitudePhase functions
*
* @param[in] window Region on which to execute the kernel.
*/
using MagnitudePhaseFunctionPtr = void (NEMagnitudePhaseKernel::*)(const Window &window);
/** MagnitudePhase function to use for the particular formats passed to configure() */
MagnitudePhaseFunctionPtr _func;
const ITensor *_gx; /**< Input gradient X */
const ITensor *_gy; /**< Input gradient Y */
ITensor *_magnitude; /**< Output - Magnitude */
ITensor *_phase; /**< Output - Phase */
};
#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
/** Template interface for the kernel to compute magnitude and phase */
template <MagnitudeType mag_type, PhaseType phase_type>
class NEMagnitudePhaseFP16Kernel : public INEKernel
{
public:
const char *name() const override
{
return "NEMagnitudePhaseFP16Kernel";
}
/** Default constructor */
NEMagnitudePhaseFP16Kernel();
/** Destructor */
~NEMagnitudePhaseFP16Kernel() = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEMagnitudePhaseFP16Kernel(const NEMagnitudePhaseFP16Kernel &) = delete;
/** Default move constructor */
NEMagnitudePhaseFP16Kernel(NEMagnitudePhaseFP16Kernel &&) = default;
/** Prevent instances of this class from being copied (As this class contains pointers) */
NEMagnitudePhaseFP16Kernel &operator=(const NEMagnitudePhaseFP16Kernel &) = delete;
/** Default move assignment operator */
NEMagnitudePhaseFP16Kernel &operator=(NEMagnitudePhaseFP16Kernel &&) = default;
/** Initialise the kernel's input, output.
*
* @note At least one of out1 or out2 must be set
*
* @param[in] gx Gradient X tensor. Data type supported: S16.
* @param[in] gy Gradient Y tensor. Data type supported: S16.
* @param[out] magnitude (Optional) The output tensor - Magnitude. Data type supported: S16.
* @param[out] phase (Optional) The output tensor - Phase. Data type supported: U8.
*/
void configure(const ITensor *gx, const ITensor *gy, ITensor *magnitude, ITensor *phase);
// Inherited methods overridden:
void run(const Window &window, const ThreadInfo &info) override;
private:
/** Function to perform magnitude on the given window
*
* @param[in] window Region on which to execute the kernel
*/
void magnitude(const Window &window);
/** Function to perform phase on the given window
*
* @param[in] window Region on which to execute the kernel
*/
void phase(const Window &window);
/** Function to perform magnitude and phase on the given window
*
* @param[in] window Region on which to execute the kernel
*/
void magnitude_phase(const Window &window);
/** Common signature for all the specialised MagnitudePhase functions
*
* @param[in] window Region on which to execute the kernel.
*/
using MagnitudePhaseFunctionPtr = void (NEMagnitudePhaseFP16Kernel::*)(const Window &window);
/** MagnitudePhase function to use for the particular formats passed to configure() */
MagnitudePhaseFunctionPtr _func;
const ITensor *_gx; /**< Input gradient X */
const ITensor *_gy; /**< Input gradient Y */
ITensor *_magnitude; /**< Output - Magnitude */
ITensor *_phase; /**< Output - Phase */
};
#else /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
template <MagnitudeType mag_type, PhaseType phase_type>
using NEMagnitudePhaseFP16Kernel = NEMagnitudePhaseKernel<mag_type, phase_type>;
#endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
} // namespace arm_compute
#endif /* __ARM_COMPUTE_NEMAGNITUDEPHASEKERNEL_H__ */
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