Compute Library
 21.08
AbsoluteDifference.cpp
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24 #include "AbsoluteDifference.h"
25 
26 #include "arm_compute/core/Types.h"
28 
29 namespace arm_compute
30 {
31 namespace test
32 {
33 namespace validation
34 {
35 namespace reference
36 {
37 template <typename T>
39 {
40  SimpleTensor<T> result(src1.shape(), dst_data_type);
41 
42  using intermediate_type = typename common_promoted_signed_type<T>::intermediate_type;
43 #if defined(_OPENMP)
44  #pragma omp parallel for
45 #endif /* _OPENMP */
46  for(int i = 0; i < src1.num_elements(); ++i)
47  {
48  intermediate_type val = std::abs(static_cast<intermediate_type>(src1[i]) - static_cast<intermediate_type>(src2[i]));
49  result[i] = saturate_cast<T>(val);
50  }
51 
52  return result;
53 }
54 
55 template SimpleTensor<uint8_t> absolute_difference(const SimpleTensor<uint8_t> &src1, const SimpleTensor<uint8_t> &src2, DataType dst_data_type);
56 template SimpleTensor<int16_t> absolute_difference(const SimpleTensor<int16_t> &src1, const SimpleTensor<int16_t> &src2, DataType dst_data_type);
57 template SimpleTensor<int8_t> absolute_difference(const SimpleTensor<int8_t> &src1, const SimpleTensor<int8_t> &src2, DataType dst_data_type);
58 } // namespace reference
59 } // namespace validation
60 } // namespace test
61 } // namespace arm_compute
TensorShape shape() const override
Shape of the tensor.
Definition: SimpleTensor.h:320
Copyright (c) 2017-2021 Arm Limited.
Simple tensor object that stores elements in a consecutive chunk of memory.
Definition: SimpleTensor.h:58
typename traits::make_signed_conditional_t< promoted_type >::type intermediate_type
Intermediate type.
Definition: Utils.h:335
T saturate_cast(T val)
Saturate a value of type T against the numeric limits of type U.
Definition: Utils.h:312
int num_elements() const override
Number of elements of the tensor.
Definition: SimpleTensor.h:406
SimpleTensor< T > absolute_difference(const SimpleTensor< T > &src1, const SimpleTensor< T > &src2, DataType dst_data_type)
DataType
Available data types.
Definition: Types.h:77