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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 <armnn/INetworkQuantizer.hpp>
#include <unordered_map>
namespace armnn
{
/// Visitor class to establish min/max ranges based on the type of the layer
class StaticRangeVisitor : public LayerVisitorBase<VisitorNoThrowPolicy>
{
private:
using MinMaxRange = std::pair<float, float>;
using MinMaxRanges = std::vector<MinMaxRange>;
public:
StaticRangeVisitor(std::unordered_map<LayerGuid, MinMaxRanges>& guidToRangesMap);
~StaticRangeVisitor() = default;
/// Functions to set the Range on a per-layer-type basis
void VisitAdditionLayer(const IConnectableLayer* layer, const char* name = nullptr) override;
void VisitBatchNormalizationLayer(const IConnectableLayer* layer,
const BatchNormalizationDescriptor& desc,
const ConstTensor& mean,
const ConstTensor& variance,
const ConstTensor& beta,
const ConstTensor& gamma,
const char* name = nullptr) override;
void VisitConvolution2dLayer(const IConnectableLayer* layer,
const Convolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const char* name = nullptr) override;
void VisitConvolution2dLayer(const IConnectableLayer* layer,
const Convolution2dDescriptor& convolution2dDescriptor,
const ConstTensor& weights,
const ConstTensor& biases,
const char* name = nullptr) override;
void VisitActivationLayer(const IConnectableLayer* layer,
const ActivationDescriptor& activationDescriptor,
const char* name = nullptr) override;
void VisitFullyConnectedLayer(const armnn::IConnectableLayer *layer,
const armnn::FullyConnectedDescriptor& desc,
const ConstTensor& weights,
const char *name) override;
void VisitFullyConnectedLayer(const armnn::IConnectableLayer *layer,
const armnn::FullyConnectedDescriptor& desc,
const ConstTensor& weights,
const ConstTensor& bias,
const char *name) override;
/// Retrieve the default range
MinMaxRange DefaultRange() const { return std::make_pair(-15.0f, 15.0f); }
/// Retrieve 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 a layer Guid to an array of ranges for outputs
std::unordered_map<LayerGuid, MinMaxRanges>& m_GuidToRangesMap;
};
} //namespace armnn
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