LAPACK  3.4.1
LAPACK: Linear Algebra PACKage
derrlq.f
Go to the documentation of this file.
00001 *> \brief \b DERRLQ
00002 *
00003 *  =========== DOCUMENTATION ===========
00004 *
00005 * Online html documentation available at 
00006 *            http://www.netlib.org/lapack/explore-html/ 
00007 *
00008 *  Definition:
00009 *  ===========
00010 *
00011 *       SUBROUTINE DERRLQ( PATH, NUNIT )
00012 * 
00013 *       .. Scalar Arguments ..
00014 *       CHARACTER*3        PATH
00015 *       INTEGER            NUNIT
00016 *       ..
00017 *  
00018 *
00019 *> \par Purpose:
00020 *  =============
00021 *>
00022 *> \verbatim
00023 *>
00024 *> DERRLQ tests the error exits for the DOUBLE PRECISION routines
00025 *> that use the LQ decomposition of a general matrix.
00026 *> \endverbatim
00027 *
00028 *  Arguments:
00029 *  ==========
00030 *
00031 *> \param[in] PATH
00032 *> \verbatim
00033 *>          PATH is CHARACTER*3
00034 *>          The LAPACK path name for the routines to be tested.
00035 *> \endverbatim
00036 *>
00037 *> \param[in] NUNIT
00038 *> \verbatim
00039 *>          NUNIT is INTEGER
00040 *>          The unit number for output.
00041 *> \endverbatim
00042 *
00043 *  Authors:
00044 *  ========
00045 *
00046 *> \author Univ. of Tennessee 
00047 *> \author Univ. of California Berkeley 
00048 *> \author Univ. of Colorado Denver 
00049 *> \author NAG Ltd. 
00050 *
00051 *> \date November 2011
00052 *
00053 *> \ingroup double_lin
00054 *
00055 *  =====================================================================
00056       SUBROUTINE DERRLQ( PATH, NUNIT )
00057 *
00058 *  -- LAPACK test routine (version 3.4.0) --
00059 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
00060 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
00061 *     November 2011
00062 *
00063 *     .. Scalar Arguments ..
00064       CHARACTER*3        PATH
00065       INTEGER            NUNIT
00066 *     ..
00067 *
00068 *  =====================================================================
00069 *
00070 *     .. Parameters ..
00071       INTEGER            NMAX
00072       PARAMETER          ( NMAX = 2 )
00073 *     ..
00074 *     .. Local Scalars ..
00075       INTEGER            I, INFO, J
00076 *     ..
00077 *     .. Local Arrays ..
00078       DOUBLE PRECISION   A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
00079      $                   W( NMAX ), X( NMAX )
00080 *     ..
00081 *     .. External Subroutines ..
00082       EXTERNAL           ALAESM, CHKXER, DGELQ2, DGELQF, DGELQS, DORGL2,
00083      $                   DORGLQ, DORML2, DORMLQ
00084 *     ..
00085 *     .. Scalars in Common ..
00086       LOGICAL            LERR, OK
00087       CHARACTER*32       SRNAMT
00088       INTEGER            INFOT, NOUT
00089 *     ..
00090 *     .. Common blocks ..
00091       COMMON             / INFOC / INFOT, NOUT, OK, LERR
00092       COMMON             / SRNAMC / SRNAMT
00093 *     ..
00094 *     .. Intrinsic Functions ..
00095       INTRINSIC          DBLE
00096 *     ..
00097 *     .. Executable Statements ..
00098 *
00099       NOUT = NUNIT
00100       WRITE( NOUT, FMT = * )
00101 *
00102 *     Set the variables to innocuous values.
00103 *
00104       DO 20 J = 1, NMAX
00105          DO 10 I = 1, NMAX
00106             A( I, J ) = 1.D0 / DBLE( I+J )
00107             AF( I, J ) = 1.D0 / DBLE( I+J )
00108    10    CONTINUE
00109          B( J ) = 0.D0
00110          W( J ) = 0.D0
00111          X( J ) = 0.D0
00112    20 CONTINUE
00113       OK = .TRUE.
00114 *
00115 *     Error exits for LQ factorization
00116 *
00117 *     DGELQF
00118 *
00119       SRNAMT = 'DGELQF'
00120       INFOT = 1
00121       CALL DGELQF( -1, 0, A, 1, B, W, 1, INFO )
00122       CALL CHKXER( 'DGELQF', INFOT, NOUT, LERR, OK )
00123       INFOT = 2
00124       CALL DGELQF( 0, -1, A, 1, B, W, 1, INFO )
00125       CALL CHKXER( 'DGELQF', INFOT, NOUT, LERR, OK )
00126       INFOT = 4
00127       CALL DGELQF( 2, 1, A, 1, B, W, 2, INFO )
00128       CALL CHKXER( 'DGELQF', INFOT, NOUT, LERR, OK )
00129       INFOT = 7
00130       CALL DGELQF( 2, 1, A, 2, B, W, 1, INFO )
00131       CALL CHKXER( 'DGELQF', INFOT, NOUT, LERR, OK )
00132 *
00133 *     DGELQ2
00134 *
00135       SRNAMT = 'DGELQ2'
00136       INFOT = 1
00137       CALL DGELQ2( -1, 0, A, 1, B, W, INFO )
00138       CALL CHKXER( 'DGELQ2', INFOT, NOUT, LERR, OK )
00139       INFOT = 2
00140       CALL DGELQ2( 0, -1, A, 1, B, W, INFO )
00141       CALL CHKXER( 'DGELQ2', INFOT, NOUT, LERR, OK )
00142       INFOT = 4
00143       CALL DGELQ2( 2, 1, A, 1, B, W, INFO )
00144       CALL CHKXER( 'DGELQ2', INFOT, NOUT, LERR, OK )
00145 *
00146 *     DGELQS
00147 *
00148       SRNAMT = 'DGELQS'
00149       INFOT = 1
00150       CALL DGELQS( -1, 0, 0, A, 1, X, B, 1, W, 1, INFO )
00151       CALL CHKXER( 'DGELQS', INFOT, NOUT, LERR, OK )
00152       INFOT = 2
00153       CALL DGELQS( 0, -1, 0, A, 1, X, B, 1, W, 1, INFO )
00154       CALL CHKXER( 'DGELQS', INFOT, NOUT, LERR, OK )
00155       INFOT = 2
00156       CALL DGELQS( 2, 1, 0, A, 2, X, B, 1, W, 1, INFO )
00157       CALL CHKXER( 'DGELQS', INFOT, NOUT, LERR, OK )
00158       INFOT = 3
00159       CALL DGELQS( 0, 0, -1, A, 1, X, B, 1, W, 1, INFO )
00160       CALL CHKXER( 'DGELQS', INFOT, NOUT, LERR, OK )
00161       INFOT = 5
00162       CALL DGELQS( 2, 2, 0, A, 1, X, B, 2, W, 1, INFO )
00163       CALL CHKXER( 'DGELQS', INFOT, NOUT, LERR, OK )
00164       INFOT = 8
00165       CALL DGELQS( 1, 2, 0, A, 1, X, B, 1, W, 1, INFO )
00166       CALL CHKXER( 'DGELQS', INFOT, NOUT, LERR, OK )
00167       INFOT = 10
00168       CALL DGELQS( 1, 1, 2, A, 1, X, B, 1, W, 1, INFO )
00169       CALL CHKXER( 'DGELQS', INFOT, NOUT, LERR, OK )
00170 *
00171 *     DORGLQ
00172 *
00173       SRNAMT = 'DORGLQ'
00174       INFOT = 1
00175       CALL DORGLQ( -1, 0, 0, A, 1, X, W, 1, INFO )
00176       CALL CHKXER( 'DORGLQ', INFOT, NOUT, LERR, OK )
00177       INFOT = 2
00178       CALL DORGLQ( 0, -1, 0, A, 1, X, W, 1, INFO )
00179       CALL CHKXER( 'DORGLQ', INFOT, NOUT, LERR, OK )
00180       INFOT = 2
00181       CALL DORGLQ( 2, 1, 0, A, 2, X, W, 2, INFO )
00182       CALL CHKXER( 'DORGLQ', INFOT, NOUT, LERR, OK )
00183       INFOT = 3
00184       CALL DORGLQ( 0, 0, -1, A, 1, X, W, 1, INFO )
00185       CALL CHKXER( 'DORGLQ', INFOT, NOUT, LERR, OK )
00186       INFOT = 3
00187       CALL DORGLQ( 1, 1, 2, A, 1, X, W, 1, INFO )
00188       CALL CHKXER( 'DORGLQ', INFOT, NOUT, LERR, OK )
00189       INFOT = 5
00190       CALL DORGLQ( 2, 2, 0, A, 1, X, W, 2, INFO )
00191       CALL CHKXER( 'DORGLQ', INFOT, NOUT, LERR, OK )
00192       INFOT = 8
00193       CALL DORGLQ( 2, 2, 0, A, 2, X, W, 1, INFO )
00194       CALL CHKXER( 'DORGLQ', INFOT, NOUT, LERR, OK )
00195 *
00196 *     DORGL2
00197 *
00198       SRNAMT = 'DORGL2'
00199       INFOT = 1
00200       CALL DORGL2( -1, 0, 0, A, 1, X, W, INFO )
00201       CALL CHKXER( 'DORGL2', INFOT, NOUT, LERR, OK )
00202       INFOT = 2
00203       CALL DORGL2( 0, -1, 0, A, 1, X, W, INFO )
00204       CALL CHKXER( 'DORGL2', INFOT, NOUT, LERR, OK )
00205       INFOT = 2
00206       CALL DORGL2( 2, 1, 0, A, 2, X, W, INFO )
00207       CALL CHKXER( 'DORGL2', INFOT, NOUT, LERR, OK )
00208       INFOT = 3
00209       CALL DORGL2( 0, 0, -1, A, 1, X, W, INFO )
00210       CALL CHKXER( 'DORGL2', INFOT, NOUT, LERR, OK )
00211       INFOT = 3
00212       CALL DORGL2( 1, 1, 2, A, 1, X, W, INFO )
00213       CALL CHKXER( 'DORGL2', INFOT, NOUT, LERR, OK )
00214       INFOT = 5
00215       CALL DORGL2( 2, 2, 0, A, 1, X, W, INFO )
00216       CALL CHKXER( 'DORGL2', INFOT, NOUT, LERR, OK )
00217 *
00218 *     DORMLQ
00219 *
00220       SRNAMT = 'DORMLQ'
00221       INFOT = 1
00222       CALL DORMLQ( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
00223       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00224       INFOT = 2
00225       CALL DORMLQ( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
00226       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00227       INFOT = 3
00228       CALL DORMLQ( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, 1, INFO )
00229       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00230       INFOT = 4
00231       CALL DORMLQ( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, 1, INFO )
00232       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00233       INFOT = 5
00234       CALL DORMLQ( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, 1, INFO )
00235       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00236       INFOT = 5
00237       CALL DORMLQ( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, 1, INFO )
00238       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00239       INFOT = 5
00240       CALL DORMLQ( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, 1, INFO )
00241       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00242       INFOT = 7
00243       CALL DORMLQ( 'L', 'N', 2, 0, 2, A, 1, X, AF, 2, W, 1, INFO )
00244       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00245       INFOT = 7
00246       CALL DORMLQ( 'R', 'N', 0, 2, 2, A, 1, X, AF, 1, W, 1, INFO )
00247       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00248       INFOT = 10
00249       CALL DORMLQ( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, 1, INFO )
00250       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00251       INFOT = 12
00252       CALL DORMLQ( 'L', 'N', 1, 2, 0, A, 1, X, AF, 1, W, 1, INFO )
00253       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00254       INFOT = 12
00255       CALL DORMLQ( 'R', 'N', 2, 1, 0, A, 1, X, AF, 2, W, 1, INFO )
00256       CALL CHKXER( 'DORMLQ', INFOT, NOUT, LERR, OK )
00257 *
00258 *     DORML2
00259 *
00260       SRNAMT = 'DORML2'
00261       INFOT = 1
00262       CALL DORML2( '/', 'N', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
00263       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00264       INFOT = 2
00265       CALL DORML2( 'L', '/', 0, 0, 0, A, 1, X, AF, 1, W, INFO )
00266       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00267       INFOT = 3
00268       CALL DORML2( 'L', 'N', -1, 0, 0, A, 1, X, AF, 1, W, INFO )
00269       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00270       INFOT = 4
00271       CALL DORML2( 'L', 'N', 0, -1, 0, A, 1, X, AF, 1, W, INFO )
00272       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00273       INFOT = 5
00274       CALL DORML2( 'L', 'N', 0, 0, -1, A, 1, X, AF, 1, W, INFO )
00275       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00276       INFOT = 5
00277       CALL DORML2( 'L', 'N', 0, 1, 1, A, 1, X, AF, 1, W, INFO )
00278       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00279       INFOT = 5
00280       CALL DORML2( 'R', 'N', 1, 0, 1, A, 1, X, AF, 1, W, INFO )
00281       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00282       INFOT = 7
00283       CALL DORML2( 'L', 'N', 2, 1, 2, A, 1, X, AF, 2, W, INFO )
00284       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00285       INFOT = 7
00286       CALL DORML2( 'R', 'N', 1, 2, 2, A, 1, X, AF, 1, W, INFO )
00287       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00288       INFOT = 10
00289       CALL DORML2( 'L', 'N', 2, 1, 0, A, 2, X, AF, 1, W, INFO )
00290       CALL CHKXER( 'DORML2', INFOT, NOUT, LERR, OK )
00291 *
00292 *     Print a summary line.
00293 *
00294       CALL ALAESM( PATH, OK, NOUT )
00295 *
00296       RETURN
00297 *
00298 *     End of DERRLQ
00299 *
00300       END
 All Files Functions