Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | |
| 6 | #pragma once |
| 7 | |
| 8 | #include <armnn/ArmNN.hpp> |
| 9 | #include <TypeUtils.hpp> |
| 10 | |
| 11 | namespace armnn |
| 12 | { |
| 13 | |
| 14 | class BaseIterator |
| 15 | { |
| 16 | public: |
| 17 | BaseIterator() {} |
| 18 | |
| 19 | virtual ~BaseIterator() {} |
| 20 | |
| 21 | virtual BaseIterator& operator++() = 0; |
| 22 | |
| 23 | virtual BaseIterator& operator+=(const unsigned int increment) = 0; |
| 24 | |
| 25 | virtual BaseIterator& operator-=(const unsigned int increment) = 0; |
| 26 | }; |
| 27 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 28 | template<typename IType> |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 29 | class Decoder : public BaseIterator |
| 30 | { |
| 31 | public: |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 32 | using InterfaceType = IType; |
| 33 | |
| 34 | Decoder() {} |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 35 | |
| 36 | virtual ~Decoder() {} |
| 37 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 38 | virtual IType Get() const = 0; |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 39 | }; |
| 40 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 41 | template<typename IType> |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 42 | class Encoder : public BaseIterator |
| 43 | { |
| 44 | public: |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 45 | using InterfaceType = IType; |
| 46 | |
| 47 | Encoder() {} |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 48 | |
| 49 | virtual ~Encoder() {} |
| 50 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 51 | virtual void Set(IType right) = 0; |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 52 | }; |
| 53 | |
| 54 | template<typename T, typename Base> |
| 55 | class TypedIterator : public Base |
| 56 | { |
| 57 | public: |
| 58 | TypedIterator(T* data) |
| 59 | : m_Iterator(data) |
| 60 | {} |
| 61 | |
| 62 | TypedIterator& operator++() override |
| 63 | { |
| 64 | ++m_Iterator; |
| 65 | return *this; |
| 66 | } |
| 67 | |
| 68 | TypedIterator& operator+=(const unsigned int increment) override |
| 69 | { |
| 70 | m_Iterator += increment; |
| 71 | return *this; |
| 72 | } |
| 73 | |
| 74 | TypedIterator& operator-=(const unsigned int increment) override |
| 75 | { |
| 76 | m_Iterator -= increment; |
| 77 | return *this; |
| 78 | } |
| 79 | |
| 80 | T* m_Iterator; |
| 81 | }; |
| 82 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 83 | class QASymm8Decoder : public TypedIterator<const uint8_t, Decoder<float>> |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 84 | { |
| 85 | public: |
| 86 | QASymm8Decoder(const uint8_t* data, const float scale, const int32_t offset) |
| 87 | : TypedIterator(data), m_Scale(scale), m_Offset(offset) {} |
| 88 | |
| 89 | float Get() const override |
| 90 | { |
| 91 | return armnn::Dequantize(*m_Iterator, m_Scale, m_Offset); |
| 92 | } |
| 93 | |
| 94 | private: |
| 95 | const float m_Scale; |
| 96 | const int32_t m_Offset; |
| 97 | }; |
| 98 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 99 | class QSymm16Decoder : public TypedIterator<const int16_t, Decoder<float>> |
Sadik Armagan | 2999a02 | 2019-04-09 14:20:12 +0100 | [diff] [blame] | 100 | { |
| 101 | public: |
| 102 | QSymm16Decoder(const int16_t* data, const float scale, const int32_t offset) |
| 103 | : TypedIterator(data), m_Scale(scale), m_Offset(offset) {} |
| 104 | |
| 105 | float Get() const override |
| 106 | { |
| 107 | return armnn::Dequantize(*m_Iterator, m_Scale, m_Offset); |
| 108 | } |
| 109 | |
| 110 | private: |
| 111 | const float m_Scale; |
| 112 | const int32_t m_Offset; |
| 113 | }; |
| 114 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 115 | class FloatDecoder : public TypedIterator<const float, Decoder<float>> |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 116 | { |
| 117 | public: |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 118 | FloatDecoder(const float* data) |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 119 | : TypedIterator(data) {} |
| 120 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 121 | float Get() const override |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 122 | { |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 123 | return *m_Iterator; |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 124 | } |
| 125 | }; |
| 126 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 127 | class QASymm8Encoder : public TypedIterator<uint8_t, Encoder<float>> |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 128 | { |
| 129 | public: |
| 130 | QASymm8Encoder(uint8_t* data, const float scale, const int32_t offset) |
| 131 | : TypedIterator(data), m_Scale(scale), m_Offset(offset) {} |
| 132 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 133 | void Set(float right) override |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 134 | { |
| 135 | *m_Iterator = armnn::Quantize<uint8_t>(right, m_Scale, m_Offset); |
| 136 | } |
| 137 | |
| 138 | private: |
| 139 | const float m_Scale; |
| 140 | const int32_t m_Offset; |
| 141 | }; |
| 142 | |
Derek Lamberti | f30f7d3 | 2019-04-09 10:25:02 +0100 | [diff] [blame^] | 143 | class QSymm16Encoder : public TypedIterator<int16_t, Encoder<float>> |
| 144 | { |
| 145 | public: |
| 146 | QSymm16Encoder(int16_t* data, const float scale, const int32_t offset) |
| 147 | : TypedIterator(data), m_Scale(scale), m_Offset(offset) {} |
| 148 | |
| 149 | void Set(float right) override |
| 150 | { |
| 151 | *m_Iterator = armnn::Quantize<int16_t>(right, m_Scale, m_Offset); |
| 152 | } |
| 153 | |
| 154 | private: |
| 155 | const float m_Scale; |
| 156 | const int32_t m_Offset; |
| 157 | }; |
| 158 | |
| 159 | class FloatEncoder : public TypedIterator<float, Encoder<float>> |
| 160 | { |
| 161 | public: |
| 162 | FloatEncoder(float* data) |
| 163 | : TypedIterator(data) {} |
| 164 | |
| 165 | void Set(float right) override |
| 166 | { |
| 167 | *m_Iterator = right; |
| 168 | } |
| 169 | }; |
| 170 | |
| 171 | class BooleanEncoder : public TypedIterator<uint8_t, Encoder<bool>> |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 172 | { |
| 173 | public: |
| 174 | BooleanEncoder(uint8_t* data) |
| 175 | : TypedIterator(data) {} |
| 176 | |
| 177 | void Set(bool right) override |
| 178 | { |
| 179 | *m_Iterator = right; |
| 180 | } |
| 181 | }; |
| 182 | |
Sadik Armagan | 2999a02 | 2019-04-09 14:20:12 +0100 | [diff] [blame] | 183 | |
Sadik Armagan | 2e6dc3a | 2019-04-03 17:48:18 +0100 | [diff] [blame] | 184 | } //namespace armnn |