---
name: "cerred.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/cerred.f"
---

# cerred.f(3)

## NAME

TESTING/EIG/cerred.f

## SYNOPSIS

### Functions/Subroutines

subroutine **cerred** (path, nunit)\
 **CERRED**

## Function/Subroutine Documentation

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

**CERRED**

**Purpose:**

```
!>
!> CERRED tests the error exits for the eigenvalue driver routines for
!> REAL matrices:
!>
!> PATH  driver   description
!> ----  ------   -----------
!> CEV   CGEEV    find eigenvalues/eigenvectors for nonsymmetric A
!> CES   CGEES    find eigenvalues/Schur form for nonsymmetric A
!> CVX   CGEEVX   CGEEV + balancing and condition estimation
!> CSX   CGEESX   CGEES + balancing and condition estimation
!> CBD   CGESVD   compute SVD of an M-by-N matrix A
!>       CGESDD   compute SVD of an M-by-N matrix A(by divide and
!>                conquer)
!>       CGEJSV   compute SVD of an M-by-N matrix A where M >= N
!>       CGESVDX  compute SVD of an M-by-N matrix A(by bisection
!>                and inverse iteration)
!>       CGESVDQ  compute SVD of an M-by-N matrix A(with a
!>                QR-Preconditioned )
!>
```

**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 **69** of file **cerred.f**.

## Author

Generated automatically by Doxygen for LAPACK from the source code.