Add Reduction operation layer node to graph API

Signed-off-by: thecha01 <theo.charalambous@arm.com>
Change-Id: Ida819fb8c33790cc9da6d69eeb51e0599269197a
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3931
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>

3 files changed, 70 insertions, 0 deletions

diff --git a/arm_compute/graph/nodes/Nodes.h b/arm_compute/graph/nodes/Nodes.h
index 967b65ff9c..a6c569af88 100644
--- a/arm_compute/graph/nodes/Nodes.h
+++ b/arm_compute/graph/nodes/Nodes.h
@@ -58,6 +58,7 @@
 #include "arm_compute/graph/nodes/PriorBoxLayerNode.h"
 #include "arm_compute/graph/nodes/QuantizationLayerNode.h"
 #include "arm_compute/graph/nodes/ROIAlignLayerNode.h"
+#include "arm_compute/graph/nodes/ReductionLayerNode.h"
 #include "arm_compute/graph/nodes/ReorgLayerNode.h"
 #include "arm_compute/graph/nodes/ReshapeLayerNode.h"
 #include "arm_compute/graph/nodes/ResizeLayerNode.h"
diff --git a/arm_compute/graph/nodes/NodesFwd.h b/arm_compute/graph/nodes/NodesFwd.h
index 9326d4ff79..cf8fc4f37c 100644
--- a/arm_compute/graph/nodes/NodesFwd.h
+++ b/arm_compute/graph/nodes/NodesFwd.h
@@ -63,6 +63,7 @@ class PReluLayerNode;
 class PrintLayerNode;
 class PriorBoxLayerNode;
 class QuantizationLayerNode;
+class ReductionLayerNode;
 class ReorgLayerNode;
 class ReshapeLayerNode;
 class ResizeLayerNode;
diff --git a/arm_compute/graph/nodes/ReductionLayerNode.h b/arm_compute/graph/nodes/ReductionLayerNode.h
new file mode 100644
index 0000000000..b8d295945c
--- /dev/null
+++ b/arm_compute/graph/nodes/ReductionLayerNode.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2020 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_GRAPH_REDUCTION_LAYER_NODE_H
+#define ARM_COMPUTE_GRAPH_REDUCTION_LAYER_NODE_H
+
+#include "arm_compute/graph/INode.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+/** Reduction Operation node */
+class ReductionLayerNode final : public INode
+{
+public:
+    /** Default Constructor */
+    ReductionLayerNode(ReductionOperation op, unsigned int axis, bool keep_dims = true);
+    /** op accessor
+     *
+     * @return op
+     */
+    ReductionOperation op() const;
+    /** axis accessor
+     *
+     * @return axis
+     */
+    unsigned int axis() const;
+    /** keep_dims accessor
+     *
+     * @return keep_dims
+     */
+    bool keep_dims() const;
+
+    // Inherited overridden methods:
+    NodeType         type() const override;
+    bool             forward_descriptors() override;
+    TensorDescriptor configure_output(size_t idx) const override;
+    void accept(INodeVisitor &v) override;
+
+private:
+    ReductionOperation _op;
+    unsigned int       _axis;
+    bool               _keep_dims;
+};
+} // namespace graph
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_GRAPH_REDUCTION_LAYER_NODE_H */