arm_compute/runtime/FunctionDescriptors.h

/*
 * 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_RUNTIME_FUNCTION_DESCRIPTORS_H__
#define __ARM_COMPUTE_RUNTIME_FUNCTION_DESCRIPTORS_H__
#include <utility>

namespace arm_compute
{
/** FFT direction to use */
enum class FFTDirection
{
    Forward,
    Inverse
};

/** Descriptor used by the FFT1D function */
struct FFT1DInfo
{
    unsigned int axis{ 0 };                          /**< Axis to run the FFT on. */
    FFTDirection direction{ FFTDirection::Forward }; /**< Direction of the FFT. */
};

/** Descriptor used by the FFT2D function */
struct FFT2DInfo
{
    std::pair<unsigned int, unsigned int> axes{ 0, 1 }; /**< Axes to run on. If same, multiple transforms are performed on single axis*/
    FFTDirection direction{ FFTDirection::Forward };    /**< Direction of the FFT. */
};
} // namespace arm_compute
#endif /* __ARM_COMPUTE_RUNTIME_FUNCTION_DESCRIPTORS_H__ */