xref: /aosp_15_r20/external/armnn/src/armnnUtils/FloatingPointConverter.cpp (revision 89c4ff92f2867872bb9e2354d150bf0c8c502810)
1 //
2 // Copyright © 2017 Arm Ltd. All rights reserved.
3 // SPDX-License-Identifier: MIT
4 //
5 
6 #include <armnnUtils/FloatingPointConverter.hpp>
7 
8 #include "BFloat16.hpp"
9 #include "Half.hpp"
10 
11 #include <armnn/utility/Assert.hpp>
12 
13 namespace armnnUtils
14 {
15 
ConvertFloat32To16(const float * srcFloat32Buffer,size_t numElements,void * dstFloat16Buffer)16 void FloatingPointConverter::ConvertFloat32To16(const float* srcFloat32Buffer,
17                                                 size_t numElements,
18                                                 void* dstFloat16Buffer)
19 {
20     ARMNN_ASSERT(srcFloat32Buffer != nullptr);
21     ARMNN_ASSERT(dstFloat16Buffer != nullptr);
22 
23     armnn::Half* pHalf = static_cast<armnn::Half*>(dstFloat16Buffer);
24 
25     for (size_t i = 0; i < numElements; i++)
26     {
27         pHalf[i] = armnn::Half(srcFloat32Buffer[i]);
28     }
29 }
30 
ConvertFloat16To32(const void * srcFloat16Buffer,size_t numElements,float * dstFloat32Buffer)31 void FloatingPointConverter::ConvertFloat16To32(const void* srcFloat16Buffer,
32                                                 size_t numElements,
33                                                 float* dstFloat32Buffer)
34 {
35     ARMNN_ASSERT(srcFloat16Buffer != nullptr);
36     ARMNN_ASSERT(dstFloat32Buffer != nullptr);
37 
38     const armnn::Half* pHalf = static_cast<const armnn::Half*>(srcFloat16Buffer);
39 
40     for (size_t i = 0; i < numElements; i++)
41     {
42         dstFloat32Buffer[i] = pHalf[i];
43     }
44 }
45 
46 } //namespace armnnUtils
47