---
title: KesSolverSetThreshold
description: "KesReturnCode KesSolverSetThreshold(KesSolver solver, double threshold);"
url: https://www.hikunpeng.com/document/detail/zh/kunpenghpcs/hpckit/devg/kunpengaccel_kml_1060.html
sourcePath: /source/zh/kunpenghpcs/hpckit/devg/kunpengaccel_kml_1060.html
indexId: af396600bace16d1cde3ccd03e8a1762f33fdb1de3e34ff0f2dbc430d6ad99a961
---
# KesSolverSetThreshold

#### 接口定义

KesReturnCode KesSolverSetThreshold(KesSolver solver, double threshold);


#### 接口说明

设置收敛误差，默认值为0.000001。


#### 参数

| 参数名 | 类型 | 描述 | 输入/输出 |
| --- | --- | --- | --- |
| solver | KesSolver | 求解器句柄，不能为空指针。 | 输入/输出 |
| threshold | double | 收敛误差。 | 输入 |