From 6ff3b19ee6120edf015fad8caab2991faa3070af Mon Sep 17 00:00:00 2001
From: Anthony Barbier <anthony.barbier@arm.com>
Date: Mon, 4 Sep 2017 18:44:23 +0100
Subject: COMPMID-344 Updated doxygen

Change-Id: I32f7b84daa560e460b77216add529c8fa8b327ae
---
 arm_compute/core/NEON/kernels/NECol2ImKernel.h | 100 +++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 arm_compute/core/NEON/kernels/NECol2ImKernel.h

(limited to 'arm_compute/core/NEON/kernels/NECol2ImKernel.h')

diff --git a/arm_compute/core/NEON/kernels/NECol2ImKernel.h b/arm_compute/core/NEON/kernels/NECol2ImKernel.h
new file mode 100644
index 0000000000..f6bc2152da
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/NECol2ImKernel.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 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_NECOL2IMKERNEL_H__
+#define __ARM_COMPUTE_NECOL2IMKERNEL_H__
+
+#include "arm_compute/core/NEON/INEKernel.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** NEON kernel to perform col2im reshaping.
+ *
+ * Rearranges each matrix column into image blocks. It's the inverse operation of @ref NEIm2ColKernel.
+ *
+ * For example, a vector of 9 elements can be reshaped to a block(image) of 3x3:
+ *
+ * @f[
+ * \left( \begin{array}{ccccccccc}
+ * a0 & a1 & a2 & a3 & a4 & a5 & a6 & a7 & a8 \\
+ * \end{array} \right)
+ * \rightarrow
+ * \left( \begin{array}{ccc}
+ * a0 & a1 & a2 \\
+ * a3 & a4 & a5 \\
+ * a6 & a7 & a8 \\
+ * \end{array} \right)
+ * @f]
+ */
+class NECol2ImKernel : public INEKernel
+{
+public:
+    /** Default constructor */
+    NECol2ImKernel();
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NECol2ImKernel(const NECol2ImKernel &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NECol2ImKernel &operator=(const NECol2ImKernel &) = delete;
+    /** Allow instances of this class to be moved */
+    NECol2ImKernel(NECol2ImKernel &&) = default;
+    /** Allow instances of this class to be moved */
+    NECol2ImKernel &operator=(NECol2ImKernel &&) = default;
+    /** Default destructor */
+    ~NECol2ImKernel() = default;
+
+    /** Set the input and output of the kernel.
+     *
+     * @param[in]  input          The input tensor to convert. Data types supported: U8/S8/QS8/U16/S16/QS16/F16/U32/S32/F32
+     * @param[out] output         The output tensor. 3 lower dimensions represent a single output [width, height, OFM],
+     *                            while the rest represent batch of outputs. Data types supported: Same as @p input
+     * @param[in]  convolved_dims Output convolved dimensions.
+     */
+    void configure(const ITensor *input, ITensor *output, std::pair<unsigned int, unsigned int> convolved_dims);
+
+    // Inherited methods overridden:
+    void run(const Window &window) override;
+
+private:
+    /** Template function to run the col2im
+     *
+     * @param[in] window Region on which to execute the kernel. (Must be a valid region of the window returned by window()).
+     */
+    template <typename T>
+    void run_col2im(const Window &window);
+
+    /** Common signature for all the specialised col2im functions
+     *
+     * @param[in] window Region on which to execute the kernel.
+     */
+    using Col2ImFunctionPtr = void (NECol2ImKernel::*)(const Window &window);
+
+    Col2ImFunctionPtr _func;
+    const ITensor    *_input;
+    ITensor          *_output;
+    std::pair<unsigned int, unsigned int> _convolved_dims;
+};
+}
+
+#endif /*__ARM_COMPUTE_NECOL2IMKERNEL_H__ */
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