---
title: CastTrait
description: "类型转换模式结构体。"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/ascendcopapi/atlasascendc_api_07_00238.html
sourcePath: /source/zh/canncommercial/900/API/ascendcopapi/atlasascendc_api_07_00238.html
indexId: 6c82535b5faebbf4dc4834a38d81f5e02740f76ee3e93c5fc12d3da02a6a175177
---
# CastTrait

类型转换模式结构体。

包括RegLayout、SatMode、MaskMergeMode、RoundMode。

```
struct CastTrait {
RegLayout layoutMode = RegLayout::UNKNOWN;
SatMode satMode = SatMode::UNKNOWN;
MaskMergeMode mrgMode = MaskMergeMode::UNKNOWN;
RoundMode roundMode = RoundMode::UNKNOWN;
}
```