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authorAnthony Barbier <anthony.barbier@arm.com>2017-09-04 18:44:23 +0100
committerAnthony Barbier <anthony.barbier@arm.com>2018-09-17 13:03:09 +0100
commit6ff3b19ee6120edf015fad8caab2991faa3070af (patch)
treea7a6dcd16dfd56d79fa1b56a313caeebcc939b68 /arm_compute/core/NEON/kernels/NETableLookupKernel.h
downloadComputeLibrary-6ff3b19ee6120edf015fad8caab2991faa3070af.tar.gz
COMPMID-344 Updated doxygen
Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
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+/*
+ * 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
+ * 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_NETABLELOOKUPKERNEL_H__
+#define __ARM_COMPUTE_NETABLELOOKUPKERNEL_H__
+
+#include "arm_compute/core/NEON/INESimpleKernel.h"
+
+namespace arm_compute
+{
+class ITensor;
+class ILut;
+
+/** Interface for the kernel to perform table lookup calculations. */
+class NETableLookupKernel : public INESimpleKernel
+{
+public:
+ /** Default constructor */
+ NETableLookupKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NETableLookupKernel(const NETableLookupKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NETableLookupKernel &operator=(const NETableLookupKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ NETableLookupKernel(NETableLookupKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ NETableLookupKernel &operator=(NETableLookupKernel &&) = default;
+ /** Initialise the kernel's input, lut and output.
+ *
+ * @param[in] input An input tensor. Data types supported: U8/S16.
+ * @param[in] lut The input LUT.
+ * @param[out] output The output tensor. Data types supported: same as @p input
+ */
+ void configure(const ITensor *input, const ILut *lut, ITensor *output);
+
+ // Inherited methods overridden:
+ void run(const Window &window) override;
+
+private:
+ /** Perform table lookup on a given window.
+ *
+ * @param window window Region on which to execute the kernel.
+ */
+ template <class T>
+ void tableLookup(const Window &window);
+ /** Common signature for all the specialised lut functions
+ *
+ * @param[in] window Region on which to execute the kernel.
+ */
+ using TableLookupFunction = void (NETableLookupKernel::*)(const Window &window);
+ /** Sub function to use for the particular tensor types passed to configure() */
+ TableLookupFunction _func;
+ const ILut *_lut;
+};
+}
+#endif /* __ARM_COMPUTE_NETABLELOOKUPKERNEL_H__ */