COMPMID-417 - Added NEFlattenLayer function

Change-Id: I919c3352bf22bb41df2928be291be754c0518d3f
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/89536
Reviewed-by: Pablo Tello <pablo.tello@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>

2 files changed, 53 insertions, 0 deletions

diff --git a/arm_compute/runtime/NEON/NEFunctions.h b/arm_compute/runtime/NEON/NEFunctions.h
index 2aa52bf5fc..40bff978aa 100644
--- a/arm_compute/runtime/NEON/NEFunctions.h
+++ b/arm_compute/runtime/NEON/NEFunctions.h
@@ -52,6 +52,7 @@
 #include "arm_compute/runtime/NEON/functions/NEErode.h"
 #include "arm_compute/runtime/NEON/functions/NEFastCorners.h"
 #include "arm_compute/runtime/NEON/functions/NEFillBorder.h"
+#include "arm_compute/runtime/NEON/functions/NEFlattenLayer.h"
 #include "arm_compute/runtime/NEON/functions/NEFloor.h"
 #include "arm_compute/runtime/NEON/functions/NEFullyConnectedLayer.h"
 #include "arm_compute/runtime/NEON/functions/NEGEMM.h"
diff --git a/arm_compute/runtime/NEON/functions/NEFlattenLayer.h b/arm_compute/runtime/NEON/functions/NEFlattenLayer.h
new file mode 100644
index 0000000000..e9c8e27d57
--- /dev/null
+++ b/arm_compute/runtime/NEON/functions/NEFlattenLayer.h
@@ -0,0 +1,52 @@
+/*
+ * 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_NEFLATTENLAYER_H__
+#define __ARM_COMPUTE_NEFLATTENLAYER_H__
+
+#include "arm_compute/core/Types.h"
+#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+
+namespace arm_compute
+{
+class ITensor;
+
+/** Basic function to execute flatten. This function calls the following NEON kernel:
+*
+* -# @ref NEIm2ColKernel
+*
+*/
+class NEFlattenLayer : public INESimpleFunction
+{
+public:
+    /** Initialise the kernel's input and output.
+     *
+     * @param[in]  input  First input tensor to flatten with at least 3 dimensions. The dimensions over the third will be interpreted as batches. Data types supported: QS8/QS16/F16/F32
+     * @param[out] output Output tensor with shape [w*h*d, input_batches] where:
+     *             w = width input tensor, h = height input tensor and d = depth input tensor. Data type supported: same as @p input
+     */
+    void configure(const ITensor *input, ITensor *output);
+};
+} // namespace arm_compute
+
+#endif /* __ARM_COMPUTE_NEFLATTENLAYER_H__ */
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