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/*
* Copyright (c) 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_CORE_KERNEL_DESCRIPTORS_H__
#define __ARM_COMPUTE_CORE_KERNEL_DESCRIPTORS_H__
namespace arm_compute
{
/** Descriptor for FFT scale kernels */
struct FFTScaleKernelInfo
{
float scale{ 0.f }; /**< Axis to perform the kernel on. */
bool conjugate{ true }; /**< Flag to conjugate the output/ */
};
/** Descriptor for FFT digit reverse kernels */
struct FFTDigitReverseKernelInfo
{
unsigned int axis{ 0 }; /**< Axis to perform the kernel on. */
bool conjugate{ false }; /**< Flag to conjugate the output/ */
};
/** Descriptor used by the FFT core kernels */
struct FFTRadixStageKernelInfo
{
unsigned int axis{ 0 }; /**< Axis to run the kernel on. */
unsigned int radix{ 0 }; /**< Radix to use. */
unsigned int Nx{ 0 }; /**< Nx coefficient. */
bool is_first_stage{ false }; /**< Flags if the FFT kernels is the first stage of a decomposed FFT. */
};
} // namespace arm_compute
#endif /* __ARM_COMPUTE_CORE_KERNEL_DESCRIPTORS_H__ */
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