Compute Library
 21.08
DepthConvertLayer.cpp
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1 /*
2  * Copyright (c) 2017-2020 Arm Limited.
3  *
4  * SPDX-License-Identifier: MIT
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24 #include "DepthConvertLayer.h"
25 
27 
28 #include "support/Rounding.h"
29 #include "support/SaturateCast.h"
30 
31 #include "tests/Types.h"
32 
33 namespace arm_compute
34 {
35 namespace test
36 {
37 namespace validation
38 {
39 namespace reference
40 {
41 template < typename T1, typename T2, typename std::enable_if < std::is_integral<T1>::value &&!std::is_same<T1, T2>::value, int >::type >
43 {
44  SimpleTensor<T2> result(src.shape(), dt_out);
45 
46  // Up-casting
48  {
49 #if defined(_OPENMP)
50  #pragma omp parallel for
51 #endif /* _OPENMP */
52  for(int i = 0; i < src.num_elements(); ++i)
53  {
54  result[i] = src[i] << shift;
55  }
56  }
57  // Down-casting
58  else
59  {
60 #if defined(_OPENMP)
61  #pragma omp parallel for
62 #endif /* _OPENMP */
63  for(int i = 0; i < src.num_elements(); ++i)
64  {
65  T1 val = src[i] >> shift;
66  result[i] = (policy == ConvertPolicy::SATURATE) ? utils::cast::saturate_cast<T2>(val) : static_cast<T2>(val);
67  }
68  }
69  return result;
70 }
71 
72 template < typename T1, typename T2, typename std::enable_if < is_floating_point<T1>::value &&(!std::is_same<T1, T2>::value &&!std::is_same<T2, bfloat16>::value), int >::type >
73 SimpleTensor<T2> depth_convert(const SimpleTensor<T1> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift)
74 {
75  SimpleTensor<T2> result(src.shape(), dt_out);
76  ARM_COMPUTE_ERROR_ON(shift != 0);
77  ARM_COMPUTE_UNUSED(policy, shift);
78 
79  if(!std::is_same<T2, bfloat16>::value && !is_floating_point<T2>::value)
80  {
81  // Always saturate on floats
82  for(int i = 0; i < src.num_elements(); ++i)
83  {
85  result[i] = utils::cast::saturate_cast<T2>(val);
86  }
87  }
88  else
89  {
90  for(int i = 0; i < src.num_elements(); ++i)
91  {
92  result[i] = static_cast<T2>(src[i]);
93  }
94  }
95  return result;
96 }
97 
98 template < typename T1, typename T2, typename std::enable_if < std::is_same<T1, bfloat16>::value || std::is_same<T2, bfloat16>::value, int >::type >
99 SimpleTensor<T2> depth_convert(const SimpleTensor<T1> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift)
100 {
101  SimpleTensor<T2> result(src.shape(), dt_out);
102  ARM_COMPUTE_ERROR_ON(shift != 0);
103  ARM_COMPUTE_UNUSED(policy, shift);
104 
105  for(int i = 0; i < src.num_elements(); ++i)
106  {
107  result[i] = static_cast<T2>(src[i]);
108  }
109 
110  return result;
111 }
112 
113 // U8
114 template SimpleTensor<int8_t> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
115 template SimpleTensor<uint16_t> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
116 template SimpleTensor<int16_t> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
117 template SimpleTensor<uint32_t> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
118 template SimpleTensor<int32_t> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
119 template SimpleTensor<half> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
120 template SimpleTensor<float> depth_convert(const SimpleTensor<uint8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
121 
122 // S8
123 template SimpleTensor<uint8_t> depth_convert(const SimpleTensor<int8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
124 template SimpleTensor<uint16_t> depth_convert(const SimpleTensor<int8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
125 template SimpleTensor<int16_t> depth_convert(const SimpleTensor<int8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
126 template SimpleTensor<uint32_t> depth_convert(const SimpleTensor<int8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
127 template SimpleTensor<int32_t> depth_convert(const SimpleTensor<int8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
128 template SimpleTensor<half> depth_convert(const SimpleTensor<int8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
129 template SimpleTensor<float> depth_convert(const SimpleTensor<int8_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
130 
131 // U16
132 template SimpleTensor<uint8_t> depth_convert(const SimpleTensor<uint16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
133 template SimpleTensor<int8_t> depth_convert(const SimpleTensor<uint16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
134 template SimpleTensor<int16_t> depth_convert(const SimpleTensor<uint16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
135 template SimpleTensor<uint32_t> depth_convert(const SimpleTensor<uint16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
136 template SimpleTensor<int32_t> depth_convert(const SimpleTensor<uint16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
137 template SimpleTensor<half> depth_convert(const SimpleTensor<uint16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
138 template SimpleTensor<float> depth_convert(const SimpleTensor<uint16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
139 
140 // S16
141 template SimpleTensor<uint8_t> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
142 template SimpleTensor<int8_t> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
143 template SimpleTensor<uint16_t> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
144 template SimpleTensor<uint32_t> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
145 template SimpleTensor<int32_t> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
146 template SimpleTensor<half> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
147 template SimpleTensor<float> depth_convert(const SimpleTensor<int16_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
148 
149 // U32
150 template SimpleTensor<uint8_t> depth_convert(const SimpleTensor<uint32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
151 template SimpleTensor<int8_t> depth_convert(const SimpleTensor<uint32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
152 template SimpleTensor<uint16_t> depth_convert(const SimpleTensor<uint32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
153 template SimpleTensor<int16_t> depth_convert(const SimpleTensor<uint32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
154 template SimpleTensor<int32_t> depth_convert(const SimpleTensor<uint32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
155 template SimpleTensor<half> depth_convert(const SimpleTensor<uint32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
156 template SimpleTensor<float> depth_convert(const SimpleTensor<uint32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
157 
158 // S32
159 template SimpleTensor<uint8_t> depth_convert(const SimpleTensor<int32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
160 template SimpleTensor<int8_t> depth_convert(const SimpleTensor<int32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
161 template SimpleTensor<uint16_t> depth_convert(const SimpleTensor<int32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
162 template SimpleTensor<int16_t> depth_convert(const SimpleTensor<int32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
163 template SimpleTensor<uint32_t> depth_convert(const SimpleTensor<int32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
164 template SimpleTensor<half> depth_convert(const SimpleTensor<int32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
165 template SimpleTensor<float> depth_convert(const SimpleTensor<int32_t> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
166 
167 // BFLOAT16
168 template SimpleTensor<float> depth_convert(const SimpleTensor<bfloat16> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
169 
170 // F16
171 template SimpleTensor<uint8_t> depth_convert(const SimpleTensor<half> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
172 template SimpleTensor<int8_t> depth_convert(const SimpleTensor<half> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
173 template SimpleTensor<uint16_t> depth_convert(const SimpleTensor<half> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
174 template SimpleTensor<int16_t> depth_convert(const SimpleTensor<half> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
175 template SimpleTensor<uint32_t> depth_convert(const SimpleTensor<half> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
176 template SimpleTensor<int32_t> depth_convert(const SimpleTensor<half> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
177 template SimpleTensor<float> depth_convert(const SimpleTensor<half> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
178 
179 // F32
180 template SimpleTensor<uint8_t> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
181 template SimpleTensor<int8_t> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
182 template SimpleTensor<uint16_t> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
183 template SimpleTensor<int16_t> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
184 template SimpleTensor<uint32_t> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
185 template SimpleTensor<int32_t> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
186 template SimpleTensor<half> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
187 template SimpleTensor<bfloat16> depth_convert(const SimpleTensor<float> &src, DataType dt_out, ConvertPolicy policy, uint32_t shift);
188 
189 } // namespace reference
190 } // namespace validation
191 } // namespace test
192 } // namespace arm_compute
size_t element_size_from_data_type(DataType dt)
The size in bytes of the data type.
Definition: Utils.h:185
DataType data_type() const override
Data type of the tensor.
Definition: SimpleTensor.h:357
#define ARM_COMPUTE_ERROR_ON(cond)
If the condition is true then an error message is printed and an exception thrown.
Definition: Error.h:466
TensorShape shape() const override
Shape of the tensor.
Definition: SimpleTensor.h:320
T round_half_away_from_zero(T value)
Round floating-point value with half value rounding away from zero.
Definition: Rounding.h:106
decltype(strategy::transforms) typedef type
SimpleTensor< float > src
Definition: DFT.cpp:155
Copyright (c) 2017-2021 Arm Limited.
#define ARM_COMPUTE_UNUSED(...)
To avoid unused variables warnings.
Definition: Error.h:152
SimpleTensor< T2 > depth_convert(const SimpleTensor< T1 > &src, DataType dt_out, ConvertPolicy policy, uint32_t shift)
Simple tensor object that stores elements in a consecutive chunk of memory.
Definition: SimpleTensor.h:58
int num_elements() const override
Number of elements of the tensor.
Definition: SimpleTensor.h:406
DataType
Available data types.
Definition: Types.h:77
ConvertPolicy
Policy to handle overflow.
Definition: Types.h:382