---
name: "derrst.f"
section: "3"
platform: "linux"
package: "lapack-doc"
version: "3.12.1-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/derrst.f"
---

# derrst.f(3)

## NAME

TESTING/EIG/derrst.f

## SYNOPSIS

### Functions/Subroutines

subroutine **derrst** (path, nunit)\
 **DERRST**

## Function/Subroutine Documentation

### subroutine derrst (character\*3 path, integer nunit)

**DERRST**

**Purpose:**

```
!>
!> DERRST tests the error exits for DSYTRD, DSYTD2, DORGTR, DORMTR, DSPTRD,
!> DOPGTR, DOPMTR, DSTEQR, DSTERF, DSTEBZ, DSTEIN, DPTEQR, DSBTRD,
!> DSYEV, DSYEVX, DSYEVD, DSBEV, DSBEVX, DSBEVD,
!> DSPEV, DSPEVX, DSPEVD, DSTEV, DSTEVX, DSTEVD, and DSTEDC.
!> DSYEVD_2STAGE, DSYEVR_2STAGE, DSYEVX_2STAGE,
!> DSYEV_2STAGE, DSBEV_2STAGE, DSBEVD_2STAGE,
!> DSBEVX_2STAGE, DSYTRD_2STAGE, DSYTRD_SY2SB,
!> DSYTRD_SB2ST
!>
```

**Parameters**

*PATH*

```
!>          PATH is CHARACTER*3
!>          The LAPACK path name for the routines to be tested.
!>
```

*NUNIT*

```
!>          NUNIT is INTEGER
!>          The unit number for output.
!>
```

**Author**

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line **60** of file **derrst.f**.

## Author

Generated automatically by Doxygen for LAPACK from the source code.