---
title: KesSolverSetDenseEigenSolverType
description: "KesReturnCode KesSolverSetDenseEigenSolverType(KesSolver solver, KesDenseEigenSolverType type);"
url: https://www.hikunpeng.com/document/detail/zh/kunpengaccel/math-lib/devg-kml/kunpengaccel_kml_0963.html
sourcePath: /source/zh/kunpengaccel/math-lib/devg-kml/kunpengaccel_kml_0963.html
indexId: be846da5c41bfc807dc77b8a4adabbfc0a0f3ce4187a83bb03ad8a5be88cb0f468
---
# KesSolverSetDenseEigenSolverType

#### 接口定义

KesReturnCode KesSolverSetDenseEigenSolverType(KesSolver solver, KesDenseEigenSolverType type);


#### 接口说明

设置Rayleigh-Ritz子空间稠密特征值求解器类型，默认值为KES_SCALAPACK。


#### 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 |
| type | KesDenseEigenSolverType | Rayleigh\-Ritz子空间稠密特征值求解器类型。 | 输入 |


| KesDenseEigenSolverType | 描述 |
| --- | --- |
| KES\_LAPACK | 采用LAPACK的?syevd/?heevd求解。 |
| KES\_SCALAPACK(默认值) | 采用SCALAPACK的p?syevd/p?heevd求解。 |