---
title: ReduceType
description: "用于描述规约操作的枚举类型。"
url: https://www.hiascend.com/document/detail/zh/Atlas200IDKA2DeveloperKit/latest/Application%20Development%20Guide/msadg/mxvisionug_0218.html
sourcePath: /source/zh/Atlas200IDKA2DeveloperKit/23.0.RC2/Application Development Guide/msadg/mxvisionug_0218.html
indexId: 73549f8c9270663ad791298f294cf31e8c66062da14c6e2970dffb2a06d915cc102
---
# ReduceType

#### 功能

用于描述规约操作的枚举类型。


#### 结构定义

```
enum class ReduceType{
REDUCE_SUM = 0,
REDUCE_MEAN = 1,
REDUCE_MAX = 2,
REDUCE_MIN = 3
};
```


#### 参数说明

| 参数名 | 说明 |
| --- | --- |
| REDUCE\_SUM | 用于描述求和规约操作。 |
| REDUCE\_MEAN | 用于描述求平均规约操作。 |
| REDUCE\_MAX | 用于描述求最大值规约操作。 |
| REDUCE\_MIN | 用于描述求最小值规约操作。 |