1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
//
// Copyright © 2017 Arm Ltd. All rights reserved.
// See LICENSE file in the project root for full license information.
//
#include "Division.hpp"
#include "Broadcast.hpp"
#include <functional>
#include <cmath>
namespace
{
void ElementwiseDivision(unsigned int numElements,
const float* inData0,
const float* inData1,
float* outData)
{
for (unsigned int i = 0; i < numElements; ++i)
{
if (inData1[i] != 0.0f)
{
outData[i] = inData0[i] / inData1[i];
}
else if (inData0[i] == 0.0f)
{
if (!std::signbit(inData1[i]))
{
outData[i]= NAN;
}
else
{
outData[i]= -NAN;
}
}
else if (inData0[i] < 0.0f)
{
if (!std::signbit(inData1[i]))
{
outData[i] = -INFINITY;
}
else
{
outData[i] = INFINITY;
}
}
else
{
if (!std::signbit(inData1[i]))
{
outData[i] = INFINITY;
}
else
{
outData[i] = -INFINITY;
}
}
}
}
} // namespace
namespace armnn
{
void Division(const TensorShape& inShape0,
const TensorShape& inShape1,
const TensorShape& outShape,
const float* inData0,
const float* inData1,
float* outData)
{
if (inShape0 == inShape1)
{
ElementwiseDivision(inShape0.GetNumElements(), inData0, inData1, outData);
}
else
{
BroadcastLoop(inShape0, inShape1, outShape).Unroll(std::divides<float>(),
0,
inData0,
inData1,
outData);
}
}
} //namespace armnn
|