---
title: KesSolverSetDenseEigenSolverType
description: "KesReturnCode KesSolverSetDenseEigenSolverType(KesSolver solver, KesDenseEigenSolverType type);"
url: https://www.hikunpeng.com/document/detail/zh/kunpengboostkithistory/240RC2/accel/kunpengaccel_kml_16_0748.html
sourcePath: /source/zh/kunpengboostkithistory/240RC2/accel/kunpengaccel_kml_16_0748.html
indexId: 3865f37d752bd22b3a45ce485257f913fa77c26254ce21ac8b044ae74fb6e0d476
---
# 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。 |