COMPMID-: Implement L2NormalizationLayer.
Change-Id: I2223850b84826a87650729d287c57c22bcab7462
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/82767
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/arm_compute/core/NEON/kernels/NEL2NormalizeKernel.h b/arm_compute/core/NEON/kernels/NEL2NormalizeKernel.h
new file mode 100644
index 0000000..545aeaa
--- /dev/null
+++ b/arm_compute/core/NEON/kernels/NEL2NormalizeKernel.h
@@ -0,0 +1,70 @@
+/*
+ * 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_NEL2NORMALIZEKERNEL_H__
+#define __ARM_COMPUTE_NEL2NORMALIZEKERNEL_H__
+
+#include "arm_compute/core/NEON/INEKernel.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Interface for performing a L2 normalize on a given axis given the square sum of it in this axis */
+class NEL2NormalizeKernel : public INEKernel
+{
+public:
+ /** Default constructor */
+ NEL2NormalizeKernel();
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEL2NormalizeKernel(const NEL2NormalizeKernel &) = delete;
+ /** Prevent instances of this class from being copied (As this class contains pointers) */
+ NEL2NormalizeKernel &operator=(const NEL2NormalizeKernel &) = delete;
+ /** Allow instances of this class to be moved */
+ NEL2NormalizeKernel(NEL2NormalizeKernel &&) = default;
+ /** Allow instances of this class to be moved */
+ NEL2NormalizeKernel &operator=(NEL2NormalizeKernel &&) = default;
+ /** Default destructor */
+ ~NEL2NormalizeKernel() = default;
+ /** Set the input and output tensors.
+ *
+ * @param[in] input Source tensor. Data types supported: F32.
+ * @param[in] sum Sum values tensor. Data types supported: same as @p input.
+ * @param[out] output Destination tensor. Data types supported: same as @p input.
+ * @param[in] axis Dimension along which to reduce. Supported reduction axis : 0
+ * @param[in] epsilon Lower bound value for the normalization.
+ */
+ void configure(const ITensor *input, const ITensor *sum, ITensor *output, unsigned int axis, float epsilon);
+
+ // Inherited methods overridden:
+ void run(const Window &window) override;
+
+private:
+ const ITensor *_input;
+ const ITensor *_sum;
+ ITensor *_output;
+ unsigned int _axis;
+ float _epsilon;
+};
+}
+#endif /*__ARM_COMPUTE_NEL2NORMALIZEKERNEL_H__ */