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ilalr(3) LAPACK ilalr(3)

NAME

ilalr - ilalr: find non-zero row

SYNOPSIS

Functions


integer function ilaclr (m, n, a, lda)
ILACLR scans a matrix for its last non-zero row. integer function iladlr (m, n, a, lda)
ILADLR scans a matrix for its last non-zero row. integer function ilaslr (m, n, a, lda)
ILASLR scans a matrix for its last non-zero row. integer function ilazlr (m, n, a, lda)
ILAZLR scans a matrix for its last non-zero row.

Detailed Description

Function Documentation

integer function ilaclr (integer m, integer n, complex, dimension( lda, * ) a, integer lda)

ILACLR scans a matrix for its last non-zero row.

Purpose:

!>
!> ILACLR scans A for its last non-zero row.
!>

Parameters

M 

!>          M is INTEGER
!>          The number of rows of the matrix A.
!>

N

!>          N is INTEGER
!>          The number of columns of the matrix A.
!>

A

!>          A is COMPLEX array, dimension (LDA,N)
!>          The m by n matrix A.
!>

LDA

!>          LDA is INTEGER
!>          The leading dimension of the array A. LDA >= max(1,M).
!>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

integer function iladlr (integer m, integer n, double precision, dimension( lda, * ) a, integer lda)

ILADLR scans a matrix for its last non-zero row.

Purpose:

!>
!> ILADLR scans A for its last non-zero row.
!>

Parameters

M 

!>          M is INTEGER
!>          The number of rows of the matrix A.
!>

N

!>          N is INTEGER
!>          The number of columns of the matrix A.
!>

A

!>          A is DOUBLE PRECISION array, dimension (LDA,N)
!>          The m by n matrix A.
!>

LDA

!>          LDA is INTEGER
!>          The leading dimension of the array A. LDA >= max(1,M).
!>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

integer function ilaslr (integer m, integer n, real, dimension( lda, * ) a, integer lda)

ILASLR scans a matrix for its last non-zero row.

Purpose:

!>
!> ILASLR scans A for its last non-zero row.
!>

Parameters

M 

!>          M is INTEGER
!>          The number of rows of the matrix A.
!>

N

!>          N is INTEGER
!>          The number of columns of the matrix A.
!>

A

!>          A is REAL array, dimension (LDA,N)
!>          The m by n matrix A.
!>

LDA

!>          LDA is INTEGER
!>          The leading dimension of the array A. LDA >= max(1,M).
!>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

integer function ilazlr (integer m, integer n, complex*16, dimension( lda, * ) a, integer lda)

ILAZLR scans a matrix for its last non-zero row.

Purpose:

!>
!> ILAZLR scans A for its last non-zero row.
!>

Parameters

M 

!>          M is INTEGER
!>          The number of rows of the matrix A.
!>

N

!>          N is INTEGER
!>          The number of columns of the matrix A.
!>

A

!>          A is COMPLEX*16 array, dimension (LDA,N)
!>          The m by n matrix A.
!>

LDA

!>          LDA is INTEGER
!>          The leading dimension of the array A. LDA >= max(1,M).
!>

Author

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Author

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Tue Jun 30 2026 04:57:07 Version 3.12.0