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diff --git a/reference_model/src/ops/reduction.h b/reference_model/src/ops/reduction.h
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+
+// Copyright (c) 2020, ARM Limited.
+//
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+//
+//         http://www.apache.org/licenses/LICENSE-2.0
+//
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+
+#ifndef OPS_REDUCTION_H
+#define OPS_REDUCTION_H
+
+#include "graph_node.h"
+
+using namespace tosa;
+
+namespace TosaReference
+{
+
+template <int Rank, DType Dtype>
+class ReduceNode : public GraphNode
+{
+public:
+    ReduceNode(const Op& nodeType, TosaAttributeBase* attribute_, const uint64_t id_);
+    virtual ~ReduceNode();
+    virtual int checkTensorAttributes();
+    virtual int eval() = 0;
+
+    using InEigenType  = typename GetEigenType<Dtype>::type;
+    using OutEigenType = typename GetEigenType<Dtype>::type;
+    using TIn          = Eigen::Tensor<InEigenType, Rank>;
+    using TOut         = Eigen::Tensor<OutEigenType, Rank>;
+
+protected:
+    Eigen::array<int, 1> dims;
+    TosaReference::TensorTemplate<TIn>* in;
+    TosaReference::TensorTemplate<TOut>* out;
+    TosaAxisAttribute* attribute;
+};
+
+template <int Rank, DType Dtype>
+class OpReduceAll : public ReduceNode<Rank, Dtype>
+{
+public:
+    OpReduceAll(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
+        : ReduceNode<Rank, Dtype>(Op_REDUCE_ALL, attribute_, id_)
+    {}
+    virtual int eval();
+};
+
+template <int Rank, DType Dtype>
+class OpReduceAny : public ReduceNode<Rank, Dtype>
+{
+public:
+    OpReduceAny(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
+        : ReduceNode<Rank, Dtype>(Op_REDUCE_ALL, attribute_, id_)
+    {}
+    virtual int eval();
+};
+
+template <int Rank, DType Dtype>
+class OpReduceMax : public ReduceNode<Rank, Dtype>
+{
+public:
+    OpReduceMax(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
+        : ReduceNode<Rank, Dtype>(Op_REDUCE_MAX, attribute_, id_)
+    {}
+    virtual int eval();
+};
+
+template <int Rank, DType Dtype>
+class OpReduceMin : public ReduceNode<Rank, Dtype>
+{
+public:
+    OpReduceMin(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
+        : ReduceNode<Rank, Dtype>(Op_REDUCE_MIN, attribute_, id_)
+    {}
+    virtual int eval();
+};
+
+template <int Rank, DType Dtype>
+class OpReduceProduct : public ReduceNode<Rank, Dtype>
+{
+public:
+    OpReduceProduct(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
+        : ReduceNode<Rank, Dtype>(Op_REDUCE_PRODUCT, attribute_, id_)
+    {}
+    virtual int eval();
+};
+
+template <int Rank, DType Dtype>
+class OpReduceSum : public ReduceNode<Rank, Dtype>
+{
+public:
+    OpReduceSum(TosaAttributeBase* attribute_, TosaQuantInfoBase* qinfo_, uint64_t id_)
+        : ReduceNode<Rank, Dtype>(Op_REDUCE_SUM, attribute_, id_)
+    {}
+    virtual int eval();
+};
+
+};    // namespace TosaReference
+
+#endif