1 // 2 // Copyright © 2019 Arm Ltd. All rights reserved. 3 // SPDX-License-Identifier: MIT 4 // 5 6 #pragma once 7 8 #include <cstddef> 9 10 namespace armnnUtils 11 { 12 13 class FloatingPointConverter 14 { 15 public: 16 /// Converts a buffer of FP32 values to FP16, and stores in the given dstFloat16Buffer. 17 /// dstFloat16Buffer should be (numElements * 2) in size 18 static void ConvertFloat32To16(const float *srcFloat32Buffer, size_t numElements, void *dstFloat16Buffer); 19 20 static void ConvertFloat16To32(const void *srcFloat16Buffer, size_t numElements, float *dstFloat32Buffer); 21 22 // Converts a buffer of FP32 values to BFloat16, and stores in the given dstBFloat16Buffer. 23 static void ConvertFloat32ToBFloat16(const float* srcFloat32Buffer, size_t numElements, void* dstBFloat16Buffer); 24 25 // Converts a buffer of BFloat16 to FP32 value, and stores in the given dstFloat32Buffer. 26 static void ConvertBFloat16ToFloat32(const void* srcBFloat16Buffer, size_t numElements, float* dstFloat32Buffer); 27 }; 28 29 } // namespace armnnUtils 30