1 files changed, 45 insertions, 0 deletions
diff --git a/src/armnn/StaticRangeVisitor.hpp b/src/armnn/StaticRangeVisitor.hpp
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+++ b/src/armnn/StaticRangeVisitor.hpp
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+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include "LayerVisitorBase.hpp"
+
+#include <armnn/INetwork.hpp>
+
+#include <map>
+#include <vector>
+
+namespace armnn
+{
+
+/// Visitor class to establish min/max ranges based on the type of the layer
+class StaticRangeVisitor : public LayerVisitorBase
+{
+public:
+    StaticRangeVisitor() = default;
+    ~StaticRangeVisitor() = default;
+
+    using MinMaxRange = std::pair<float, float>;
+    using MinMaxRanges = std::vector<MinMaxRange>;
+
+    /// Functions to set the Range on a per-layer-type basis
+    void VisitAdditionLayer(const IConnectableLayer *layer, const char *name = nullptr) override;
+
+    /// Retreive the default range
+    MinMaxRange DefaultRange() const { return std::make_pair(-15.0f, 15.0f); }
+
+    /// Retreive the Range for a particular output slot on a particular layer
+    MinMaxRange GetRange(LayerGuid guid, unsigned int idx) const;
+
+private:
+    /// Set the range for an output slot on a layer
+    void SetRange(const IConnectableLayer* layer, unsigned int outputIdx, float min, float max);
+
+    /// Mapping from Guid to an array of ranges for outputs
+    std::map<LayerGuid, MinMaxRanges> m_GuidToRangesMap;
+};
+
+} //namespace armnn
+\ No newline at end of file