---
title: aclCannAttr
description: "```"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/API/runtimeapi/aclcppdevg_03_1405.html
sourcePath: /source/zh/canncommercial/900/API/runtimeapi/aclcppdevg_03_1405.html
indexId: 7cd2e9fbcaa0faf7e98aa493b3b0c5ad52abf82abda877c4938abb2014d9719468
---
# aclCannAttr

```
typedef enum {
    ACL_CANN_ATTR_UNDEFINED = -1,   // 未知特性
    ACL_CANN_ATTR_INF_NAN = 0,      // 溢出检测Inf/NaN模式
    ACL_CANN_ATTR_BF16 = 1,         // bf16数据类型
    ACL_CANN_ATTR_JIT_COMPILE = 2   // 算子二进制特性
} aclCannAttr;
```