SLACPY - copie all or part of a two-dimensional matrix A
to another matrix B
SYNOPSIS
SUBROUTINE SLACPY( UPLO, M, N, A, LDA, B, LDB )
CHARACTER UPLO
INTEGER LDA, LDB, M, N
REAL A( LDA, * ), B( LDB, * )
PURPOSE
SLACPY copies all or part of a two-dimensional matrix A to
another matrix B.
ARGUMENTS
UPLO (input) 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 (input) INTEGER
The number of rows of the matrix A. M >= 0.
N (input) INTEGER
The number of columns of the matrix A. N >= 0.
A (input) REAL array, dimension (LDA,N)
The m by n matrix A. If UPLO = 'U', only the
upper triangle or trapezoid is accessed; if UPLO =
'L', only the lower triangle or trapezoid is
accessed.
LDA (input) INTEGER
The leading dimension of the array A. LDA >=
max(1,M).
B (output) REAL array, dimension (LDB,N)
On exit, B = A in the locations specified by UPLO.
LDB (input) INTEGER
The leading dimension of the array B. LDB >=
max(1,M).
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