Compute Library
 22.11
add.h
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1 /*
2  * Copyright (c) 2018-2020 Arm Limited.
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24 #ifndef ARM_COMPUTE_WRAPPER_SCALAR_ADD_H
25 #define ARM_COMPUTE_WRAPPER_SCALAR_ADD_H
26 
27 #include <arm_neon.h>
28 
29 namespace arm_compute
30 {
31 namespace wrapper
32 {
33 inline uint8_t add_sat(const uint8_t &a, const uint8_t &b)
34 {
35  const uint8x8_t va = { a, 0, 0, 0, 0, 0, 0, 0 };
36  const uint8x8_t vb = { b, 0, 0, 0, 0, 0, 0, 0 };
37  return vget_lane_u8(vqadd_u8(va, vb), 0);
38 }
39 
40 inline int16_t add_sat(const int16_t &a, const int16_t &b)
41 {
42  const int16x4_t va = { a, 0, 0, 0 };
43  const int16x4_t vb = { b, 0, 0, 0 };
44  return vget_lane_s16(vqadd_s16(va, vb), 0);
45 }
46 
47 inline int32_t add_sat(const int32_t &a, const int32_t &b)
48 {
49  const int32x2_t va = { a, 0 };
50  const int32x2_t vb = { b, 0 };
51  return vget_lane_s32(vqadd_s32(va, vb), 0);
52 }
53 
54 inline float add_sat(const float &a, const float &b)
55 {
56  // No notion of saturation exists in floating point
57  return a + b;
58 }
59 
60 #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
61 inline float16_t add_sat(const float16_t &a, const float16_t &b)
62 {
63  // No notion of saturation exists in floating point
64  return a + b;
65 }
66 #endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
67 } // namespace wrapper
68 } // namespace arm_compute
69 #endif /* ARM_COMPUTE_WRAPPER_SCALAR_ADD_H */
SimpleTensor< float > b
Definition: DFT.cpp:157
Copyright (c) 2017-2022 Arm Limited.
uint8_t add_sat(const uint8_t &a, const uint8_t &b)
Definition: add.h:33