---
name: "derrgg.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/derrgg.f"
---

# derrgg.f(3)

## NAME

TESTING/EIG/derrgg.f

## SYNOPSIS

### Functions/Subroutines

subroutine **derrgg** (path, nunit)\
 **DERRGG**

## Function/Subroutine Documentation

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

**DERRGG**

**Purpose:**

```
!>
!> DERRGG tests the error exits for DGGES, DGGESX, DGGEV,  DGGEVX,
!> DGGGLM, DGGHRD, DGGLSE, DGGQRF, DGGRQF, DGGSVD3,
!> DGGSVP3, DHGEQZ, DORCSD, DTGEVC, DTGEXC, DTGSEN, DTGSJA, DTGSNA,
!> DGGES3, DGGEV3, and DTGSYL.
!>
```

**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 **56** of file **derrgg.f**.

## Author

Generated automatically by Doxygen for LAPACK from the source code.