clacpy.f (3) Linux Manual Page

clacpy.f –

Synopsis

Functions/Subroutines

subroutine clacpy (UPLO, M, N, A, LDA, B, LDB)
CLACPY copies all or part of one two-dimensional array to another.

Function/Subroutine Documentation

subroutine clacpy (characterUPLO, integerM, integerN, complex, dimension( lda, * )A, integerLDA, complex, dimension( ldb, * )B, integerLDB)

CLACPY copies all or part of one two-dimensional array to another.

Purpose:

 CLACPY copies all or part of a two-dimensional matrix A to another

 matrix B.

 

Parameters:

UPLO

 UPLO is CHARACTER*1

 Specifies the part of the matrix A to be copied to B.

 = ‘U’: Upper triangular part

 = ‘L’: Lower triangular part

 Otherwise: All of the matrix A

M

 M is INTEGER

 The number of rows of the matrix A. M >= 0.

N

 N is INTEGER

 The number of columns of the matrix A. N >= 0.

A

 A is COMPLEX array, dimension (LDA,N)

 The m by n matrix A. If UPLO = ‘U’, only the upper trapezium

 is accessed; if UPLO = ‘L’, only the lower trapezium is

 accessed.

LDA

 LDA is INTEGER

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

B

 B is COMPLEX array, dimension (LDB,N)

 On exit, B = A in the locations specified by UPLO.

LDB

 LDB is INTEGER

 The leading dimension of the array B. LDB >= max(1,M).

 

Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

September 2012

Definition at line 104 of file clacpy.f.

Author

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