---
name: "dglmts.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/dglmts.f"
---

# dglmts.f(3)

## NAME

TESTING/EIG/dglmts.f

## SYNOPSIS

### Functions/Subroutines

subroutine **dglmts** (n, m, p, a, af, lda, b, bf, ldb, d, df, x, u, work, lwork, rwork, result)\
 **DGLMTS**

## Function/Subroutine Documentation

### subroutine dglmts (integer n, integer m, integer p, double precision, dimension( lda, \* ) a, double precision, dimension( lda, \* ) af, integer lda, double precision, dimension( ldb, \* ) b, double precision, dimension( ldb, \* ) bf, integer ldb, double precision, dimension( \* ) d, double precision, dimension( \* ) df, double precision, dimension( \* ) x, double precision, dimension( \* ) u, double precision, dimension( lwork ) work, integer lwork, double precision, dimension( \* ) rwork, double precision result)

**DGLMTS**

**Purpose:**

```
!>
!> DGLMTS tests DGGGLM - a subroutine for solving the generalized
!> linear model problem.
!>
```

**Parameters**

*N*

```
!>          N is INTEGER
!>          The number of rows of the matrices A and B.  N >= 0.
!>
```

*M*

```
!>          M is INTEGER
!>          The number of columns of the matrix A.  M >= 0.
!>
```

*P*

```
!>          P is INTEGER
!>          The number of columns of the matrix B.  P >= 0.
!>
```

*A*

```
!>          A is DOUBLE PRECISION array, dimension (LDA,M)
!>          The N-by-M matrix A.
!>
```

*AF*

```
!>          AF is DOUBLE PRECISION array, dimension (LDA,M)
!>
```

*LDA*

```
!>          LDA is INTEGER
!>          The leading dimension of the arrays A, AF. LDA >= max(M,N).
!>
```

*B*

```
!>          B is DOUBLE PRECISION array, dimension (LDB,P)
!>          The N-by-P matrix A.
!>
```

*BF*

```
!>          BF is DOUBLE PRECISION array, dimension (LDB,P)
!>
```

*LDB*

```
!>          LDB is INTEGER
!>          The leading dimension of the arrays B, BF. LDB >= max(P,N).
!>
```

*D*

```
!>          D is DOUBLE PRECISION array, dimension( N )
!>          On input, the left hand side of the GLM.
!>
```

*DF*

```
!>          DF is DOUBLE PRECISION array, dimension( N )
!>
```

*X*

```
!>          X is DOUBLE PRECISION array, dimension( M )
!>          solution vector X in the GLM problem.
!>
```

*U*

```
!>          U is DOUBLE PRECISION array, dimension( P )
!>          solution vector U in the GLM problem.
!>
```

*WORK*

```
!>          WORK is DOUBLE PRECISION array, dimension (LWORK)
!>
```

*LWORK*

```
!>          LWORK is INTEGER
!>          The dimension of the array WORK.
!>
```

*RWORK*

```
!>          RWORK is DOUBLE PRECISION array, dimension (M)
!>
```

*RESULT*

```
!>          RESULT is DOUBLE PRECISION
!>          The test ratio:
!>                           norm( d - A*x - B*u )
!>            RESULT = -----------------------------------------
!>                     (norm(A)+norm(B))*(norm(x)+norm(u))*EPS
!>
```

**Author**

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Definition at line **144** of file **dglmts.f**.

## Author

Generated automatically by Doxygen for LAPACK from the source code.