---
name: "slqt04.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/slqt04.f"
---

# slqt04.f(3)

## NAME

TESTING/LIN/slqt04.f

## SYNOPSIS

### Functions/Subroutines

subroutine **slqt04** (m, n, nb, result)\
 **SLQT04**

## Function/Subroutine Documentation

### subroutine slqt04 (integer m, integer n, integer nb, real, dimension(6) result)

**SLQT04**

**Purpose:**

```
!>
!> SLQT04 tests SGELQT and SGEMLQT.
!>
```

**Parameters**

*M*

```
!>          M is INTEGER
!>          Number of rows in test matrix.
!>
```

*N*

```
!>          N is INTEGER
!>          Number of columns in test matrix.
!>
```

*NB*

```
!>          NB is INTEGER
!>          Block size of test matrix.  NB <= Min(M,N).
!>
```

*RESULT*

```
!>          RESULT is REAL array, dimension (6)
!>          Results of each of the six tests below.
!>
!>          RESULT(1) = | A - L Q |
!>          RESULT(2) = | I - Q Q^H |
!>          RESULT(3) = | Q C - Q C |
!>          RESULT(4) = | Q^H C - Q^H C |
!>          RESULT(5) = | C Q - C Q |
!>          RESULT(6) = | C Q^H - C Q^H |
!>
```

**Author**

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line **72** of file **slqt04.f**.

## Author

Generated automatically by Doxygen for LAPACK from the source code.