arm_compute/runtime/CL/functions/CLArithmeticSubtraction.h

/*
 * Copyright (c) 2016, 2017 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
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 * SOFTWARE.
 */
#ifndef __ARM_COMPUTE_CLARITHMETICSUBTRACTION_H__
#define __ARM_COMPUTE_CLARITHMETICSUBTRACTION_H__

#include "arm_compute/runtime/CL/ICLSimpleFunction.h"

#include "arm_compute/core/Types.h"

namespace arm_compute
{
class ICLTensor;

/** Basic function to run @ref CLArithmeticSubtractionKernel
 *
 * @note The tensor data type for the inputs must be U8, S16, F16, F32
 * @note The function performs an arithmetic subtraction between two tensors.
 */
class CLArithmeticSubtraction : public ICLSimpleFunction
{
public:
    /** Initialise the kernel's inputs, output and convertion policy.
     *
     * @param[in]  input1 First tensor input. Data types supported: U8/QS8/QS16/S16/F16/F32.
     * @param[in]  input2 Second tensor input. Data types supported: U8/QS8 (only if @p input1 is QS8), QS16 (only if @p input1 is QS16), S16/F16/F32.
     * @param[out] output Output tensor. Data types supported: U8 (Only if both inputs are U8), QS8 (only if both inputs are QS8), QS16 (only if both inputs are QS16), S16/F16/F32.
     * @param[in]  policy Policy to use to handle overflow.
     */
    void configure(const ICLTensor *input1, const ICLTensor *input2, ICLTensor *output, ConvertPolicy policy);
};
}
#endif /* __ARM_COMPUTE_CLARITHMETICSUBTRACTION_H__ */