#include "ESMF_LapackBlas.inc" !> \brief \b DLACPY ! ! =========== DOCUMENTATION =========== ! ! Online html documentation available at ! http://www.netlib.org/lapack/explore-html/ ! !> \htmlonly !> Download DLACPY + dependencies !> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlacpy.f"> !> [TGZ]</a> !> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlacpy.f"> !> [ZIP]</a> !> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlacpy.f"> !> [TXT]</a> !> \endhtmlonly ! ! Definition: ! =========== ! ! SUBROUTINE DLACPY( UPLO, M, N, A, LDA, B, LDB ) ! ! .. Scalar Arguments .. ! CHARACTER UPLO ! INTEGER LDA, LDB, M, N ! .. ! .. Array Arguments .. ! DOUBLE PRECISION A( LDA, * ), B( LDB, * ) ! .. ! ! !> \par Purpose: ! ============= !> !> \verbatim !> !> DLACPY copies all or part of a two-dimensional matrix A to another !> matrix B. !> \endverbatim ! ! Arguments: ! ========== ! !> \param[in] UPLO !> \verbatim !> 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 !> \endverbatim !> !> \param[in] M !> \verbatim !> M is INTEGER !> The number of rows of the matrix A. M >= 0. !> \endverbatim !> !> \param[in] N !> \verbatim !> N is INTEGER !> The number of columns of the matrix A. N >= 0. !> \endverbatim !> !> \param[in] A !> \verbatim !> 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. !> \endverbatim !> !> \param[in] LDA !> \verbatim !> LDA is INTEGER !> The leading dimension of the array A. LDA >= max(1,M). !> \endverbatim !> !> \param[out] B !> \verbatim !> B is DOUBLE PRECISION array, dimension (LDB,N) !> On exit, B = A in the locations specified by UPLO. !> \endverbatim !> !> \param[in] LDB !> \verbatim !> LDB is INTEGER !> The leading dimension of the array B. LDB >= max(1,M). !> \endverbatim ! ! Authors: ! ======== ! !> \author Univ. of Tennessee !> \author Univ. of California Berkeley !> \author Univ. of Colorado Denver !> \author NAG Ltd. ! !> \date November 2011 ! !> \ingroup auxOTHERauxiliary ! ! ===================================================================== SUBROUTINE DLACPY( UPLO, M, N, A, LDA, B, LDB ) ! ! -- LAPACK auxiliary routine (version 3.4.0) -- ! -- LAPACK is a software package provided by Univ. of Tennessee, -- ! -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- ! November 2011 ! ! .. Scalar Arguments .. CHARACTER UPLO INTEGER LDA, LDB, M, N ! .. ! .. Array Arguments .. DOUBLE PRECISION A( LDA, * ), B( LDB, * ) ! .. ! ! ===================================================================== ! ! .. Local Scalars .. INTEGER I, J ! .. ! .. External Functions .. LOGICAL LSAME EXTERNAL LSAME ! .. ! .. Intrinsic Functions .. INTRINSIC MIN ! .. ! .. Executable Statements .. ! IF( LSAME( UPLO, 'U' ) ) THEN DO 20 J = 1, N DO 10 I = 1, MIN( J, M ) B( I, J ) = A( I, J ) 10 CONTINUE 20 CONTINUE ELSE IF( LSAME( UPLO, 'L' ) ) THEN DO 40 J = 1, N DO 30 I = J, M B( I, J ) = A( I, J ) 30 CONTINUE 40 CONTINUE ELSE DO 60 J = 1, N DO 50 I = 1, M B( I, J ) = A( I, J ) 50 CONTINUE 60 CONTINUE END IF RETURN ! ! End of DLACPY ! END