| // |
| // Copyright © 2017 Arm Ltd. All rights reserved. |
| // SPDX-License-Identifier: MIT |
| // |
| |
| #include <armnnUtils/FloatingPointConverter.hpp> |
| |
| #include "BFloat16.hpp" |
| #include "Half.hpp" |
| |
| #include <armnn/utility/Assert.hpp> |
| |
| namespace armnnUtils |
| { |
| |
| void FloatingPointConverter::ConvertFloat32To16(const float* srcFloat32Buffer, |
| size_t numElements, |
| void* dstFloat16Buffer) |
| { |
| ARMNN_ASSERT(srcFloat32Buffer != nullptr); |
| ARMNN_ASSERT(dstFloat16Buffer != nullptr); |
| |
| armnn::Half* pHalf = static_cast<armnn::Half*>(dstFloat16Buffer); |
| |
| for (size_t i = 0; i < numElements; i++) |
| { |
| pHalf[i] = armnn::Half(srcFloat32Buffer[i]); |
| } |
| } |
| |
| void FloatingPointConverter::ConvertFloat16To32(const void* srcFloat16Buffer, |
| size_t numElements, |
| float* dstFloat32Buffer) |
| { |
| ARMNN_ASSERT(srcFloat16Buffer != nullptr); |
| ARMNN_ASSERT(dstFloat32Buffer != nullptr); |
| |
| const armnn::Half* pHalf = static_cast<const armnn::Half*>(srcFloat16Buffer); |
| |
| for (size_t i = 0; i < numElements; i++) |
| { |
| dstFloat32Buffer[i] = pHalf[i]; |
| } |
| } |
| |
| void FloatingPointConverter::ConvertFloat32ToBFloat16(const float* srcFloat32Buffer, |
| size_t numElements, |
| void* dstBFloat16Buffer) |
| { |
| ARMNN_ASSERT(srcFloat32Buffer != nullptr); |
| ARMNN_ASSERT(dstBFloat16Buffer != nullptr); |
| |
| armnn::BFloat16* bf16 = static_cast<armnn::BFloat16*>(dstBFloat16Buffer); |
| |
| for (size_t i = 0; i < numElements; i++) |
| { |
| bf16[i] = armnn::BFloat16(srcFloat32Buffer[i]); |
| } |
| } |
| |
| void FloatingPointConverter::ConvertBFloat16ToFloat32(const void* srcBFloat16Buffer, |
| size_t numElements, |
| float* dstFloat32Buffer) |
| { |
| ARMNN_ASSERT(srcBFloat16Buffer != nullptr); |
| ARMNN_ASSERT(dstFloat32Buffer != nullptr); |
| |
| const armnn::BFloat16* bf16 = static_cast<const armnn::BFloat16*>(srcBFloat16Buffer); |
| |
| for (size_t i = 0; i < numElements; i++) |
| { |
| dstFloat32Buffer[i] = bf16[i].ToFloat32(); |
| } |
| } |
| |
| } //namespace armnnUtils |