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+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (c) 2017-2019 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_NEMULTIPLYSCALEFACTORKERNEL_H__
+#define __ARM_COMPUTE_NEMULTIPLYSCALEFACTORKERNEL_H__
+
+#include "arm_compute/core/NEON/INEKernel.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Interface to multiply scale factor kernel. */
+class NEMultiplyScaleFactorKernel : public INEKernel
+{
+public:
+ const char *name() const override { return "NEMultiplyScaleFactorKernel"; }
+ /** Default constructor */
+ NEMultiplyScaleFactorKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEMultiplyScaleFactorKernel(const NEMultiplyScaleFactorKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEMultiplyScaleFactorKernel &operator=(const NEMultiplyScaleFactorKernel &) = delete;
+ /** Default Move Constructor. */
+ NEMultiplyScaleFactorKernel(NEMultiplyScaleFactorKernel &&) = default;
+ /** Default move assignment operator */
+ NEMultiplyScaleFactorKernel &operator=(NEMultiplyScaleFactorKernel &&) = default;
+ /** Default destructor */
+ ~NEMultiplyScaleFactorKernel() = default;
+ /** Set input, output tensors.
+ *
+ * @param[in/out] input Source tensor. Data type supported: S32.
+ * @param[in] scale_factor Scale tensor. Data type supported: F16/F32.
+ * @param[out] output Destination tensor. Data type supported: Same as @p scale_factor.
+ */
+ void configure(const ITensor *input, const ITensor *scale_factor, ITensor *output,
+ float multiplier = 1.f);
+ /** Static function to check if given info will lead to a valid configuration of @ref
+ * NEMultiplyScaleFactorKernel
+ *
+ * @param[in] input Input tensor info. Data types supported: S32.
+ * @param[in] scale_factor Scale tensor. Data type supported: F16/F32.
+ * @param[in] output Output tensor info. Data types supported: Same as @p scale_factor.
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *input, const ITensorInfo *scale_factor,
+ const ITensorInfo *output, float multiplier = 1.f);
+
+ // Inherited methods overridden:
+ void run(const Window &window, const ThreadInfo &info) override;
+
+private:
+ template <typename T> void multiply(const Window &window);
+
+private:
+ const ITensor *_input;
+ const ITensor *_scale_factor;
+ ITensor *_output;
+ float _multiplier;
+};
+} // namespace arm_compute
+#endif /*__ARM_COMPUTE_NEMULTIPLYSCALEFACTORKERNEL_H__ */