mirror of
https://github.com/gonum/gonum.git
synced 2025-11-02 19:34:01 +08:00
internal/testdata/netlib: add Fortran files from netlib and a stub for Dlahr2
This commit is contained in:
156
internal/testdata/netlib/dlacpy.f
vendored
Normal file
156
internal/testdata/netlib/dlacpy.f
vendored
Normal file
@@ -0,0 +1,156 @@
|
||||
*> \brief \b DLACPY copies all or part of one two-dimensional array to another.
|
||||
*
|
||||
* =========== 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 September 2012
|
||||
*
|
||||
*> \ingroup auxOTHERauxiliary
|
||||
*
|
||||
* =====================================================================
|
||||
SUBROUTINE DLACPY( UPLO, M, N, A, LDA, B, LDB )
|
||||
*
|
||||
* -- LAPACK auxiliary routine (version 3.4.2) --
|
||||
* -- LAPACK is a software package provided by Univ. of Tennessee, --
|
||||
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
|
||||
* September 2012
|
||||
*
|
||||
* .. 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
|
||||
Reference in New Issue
Block a user