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dlacpy.f(3) LAPACK dlacpy.f(3)

NAME

dlacpy.f -

SYNOPSIS

Functions/Subroutines


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

Function/Subroutine Documentation

subroutine dlacpy (characterUPLO, integerM, integerN, double precision, dimension( lda, * )A, integerLDA, double precision, dimension( ldb, * )B, integerLDB)

DLACPY copies all or part of one two-dimensional array to another.
Purpose: 
 DLACPY 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 DOUBLE PRECISION 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 
          LDA is INTEGER
          The leading dimension of the array A.  LDA >= max(1,M).
B 
          B is DOUBLE PRECISION 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 dlacpy.f.

Author

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