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+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright (c) 2016-2018 ARM Limited.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @file CLGatherEx.h
+ * @brief This file contains CLGatherEx class
+ * @ingroup COM_AI_RUNTIME
+ */
+
+#ifndef __ARM_COMPUTE_CLGATHEREX_H__
+#define __ARM_COMPUTE_CLGATHEREX_H__
+
+#include "arm_compute/runtime/CL/ICLSimpleFunction.h"
+
+namespace arm_compute
+{
+class ICLTensor;
+
+/**
+ * @brief Class to to run @ref CLGatherKernel.
+ */
+class CLGatherEx : public ICLSimpleFunction
+{
+public:
+ /**
+ * @brief Initialise the kernel's inputs, output and convertion policy.
+ * @param[in] input An input tensor. Data types supported: U8/QASYMM8/S32/F32.
+ * @param[in] indices An indexes tensor. Data types supported: S32.
+ * @param[out] output The output tensor, Data types supported: same as @p input.
+ * @param[in] axis (Optional) The axis in @p input to gather @p indices from. Defaults to 0
+ * @return N/A
+ */
+ void configure(const ICLTensor *input, const ICLTensor *indices, ICLTensor *output, int axis = 0);
+
+ /**
+ * @brief Static function to check if given info will lead to a valid configuration
+ * of @ref CLGatherEx
+ * @param[in] input An input tensor. Data types supported: U8/QASYMM8/S32/F32.
+ * @param[in] indices An indexes tensor. Data types supported: S32.
+ * @param[out] output The output tensor, Data types supported: same as @p input.
+ * @param[in] axis (Optional) The axis in @p input to gather @p indices from. Defaults to 0
+ * @return a status
+ */
+ static Status validate(const ITensorInfo *input, const ITensorInfo *indices,
+ const ITensorInfo *output, int axis = 0);
+};
+}
+#endif /*__ARM_COMPUTE_CLGATHEREX_H__ */