LAPACK  3.4.1
LAPACK: Linear Algebra PACKage
serrpo.f
Go to the documentation of this file.
00001 *> \brief \b SERRPO
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 SERRPO( 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 *> SERRPO tests the error exits for the REAL routines
00025 *> for symmetric positive definite matrices.
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 single_lin
00054 *
00055 *  =====================================================================
00056       SUBROUTINE SERRPO( 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 = 4 )
00073 *     ..
00074 *     .. Local Scalars ..
00075       CHARACTER*2        C2
00076       INTEGER            I, INFO, J
00077       REAL               ANRM, RCOND
00078 *     ..
00079 *     .. Local Arrays ..
00080       INTEGER            IW( NMAX )
00081       REAL               A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
00082      $                   R1( NMAX ), R2( NMAX ), W( 3*NMAX ), X( NMAX )
00083 *     ..
00084 *     .. External Functions ..
00085       LOGICAL            LSAMEN
00086       EXTERNAL           LSAMEN
00087 *     ..
00088 *     .. External Subroutines ..
00089       EXTERNAL           ALAESM, CHKXER, SPBCON, SPBEQU, SPBRFS, SPBTF2,
00090      $                   SPBTRF, SPBTRS, SPOCON, SPOEQU, SPORFS, SPOTF2,
00091      $                   SPOTRF, SPOTRI, SPOTRS, SPPCON, SPPEQU, SPPRFS,
00092      $                   SPPTRF, SPPTRI, SPPTRS
00093 *     ..
00094 *     .. Scalars in Common ..
00095       LOGICAL            LERR, OK
00096       CHARACTER*32       SRNAMT
00097       INTEGER            INFOT, NOUT
00098 *     ..
00099 *     .. Common blocks ..
00100       COMMON             / INFOC / INFOT, NOUT, OK, LERR
00101       COMMON             / SRNAMC / SRNAMT
00102 *     ..
00103 *     .. Intrinsic Functions ..
00104       INTRINSIC          REAL
00105 *     ..
00106 *     .. Executable Statements ..
00107 *
00108       NOUT = NUNIT
00109       WRITE( NOUT, FMT = * )
00110       C2 = PATH( 2: 3 )
00111 *
00112 *     Set the variables to innocuous values.
00113 *
00114       DO 20 J = 1, NMAX
00115          DO 10 I = 1, NMAX
00116             A( I, J ) = 1. / REAL( I+J )
00117             AF( I, J ) = 1. / REAL( I+J )
00118    10    CONTINUE
00119          B( J ) = 0.
00120          R1( J ) = 0.
00121          R2( J ) = 0.
00122          W( J ) = 0.
00123          X( J ) = 0.
00124          IW( J ) = J
00125    20 CONTINUE
00126       OK = .TRUE.
00127 *
00128       IF( LSAMEN( 2, C2, 'PO' ) ) THEN
00129 *
00130 *        Test error exits of the routines that use the Cholesky
00131 *        decomposition of a symmetric positive definite matrix.
00132 *
00133 *        SPOTRF
00134 *
00135          SRNAMT = 'SPOTRF'
00136          INFOT = 1
00137          CALL SPOTRF( '/', 0, A, 1, INFO )
00138          CALL CHKXER( 'SPOTRF', INFOT, NOUT, LERR, OK )
00139          INFOT = 2
00140          CALL SPOTRF( 'U', -1, A, 1, INFO )
00141          CALL CHKXER( 'SPOTRF', INFOT, NOUT, LERR, OK )
00142          INFOT = 4
00143          CALL SPOTRF( 'U', 2, A, 1, INFO )
00144          CALL CHKXER( 'SPOTRF', INFOT, NOUT, LERR, OK )
00145 *
00146 *        SPOTF2
00147 *
00148          SRNAMT = 'SPOTF2'
00149          INFOT = 1
00150          CALL SPOTF2( '/', 0, A, 1, INFO )
00151          CALL CHKXER( 'SPOTF2', INFOT, NOUT, LERR, OK )
00152          INFOT = 2
00153          CALL SPOTF2( 'U', -1, A, 1, INFO )
00154          CALL CHKXER( 'SPOTF2', INFOT, NOUT, LERR, OK )
00155          INFOT = 4
00156          CALL SPOTF2( 'U', 2, A, 1, INFO )
00157          CALL CHKXER( 'SPOTF2', INFOT, NOUT, LERR, OK )
00158 *
00159 *        SPOTRI
00160 *
00161          SRNAMT = 'SPOTRI'
00162          INFOT = 1
00163          CALL SPOTRI( '/', 0, A, 1, INFO )
00164          CALL CHKXER( 'SPOTRI', INFOT, NOUT, LERR, OK )
00165          INFOT = 2
00166          CALL SPOTRI( 'U', -1, A, 1, INFO )
00167          CALL CHKXER( 'SPOTRI', INFOT, NOUT, LERR, OK )
00168          INFOT = 4
00169          CALL SPOTRI( 'U', 2, A, 1, INFO )
00170          CALL CHKXER( 'SPOTRI', INFOT, NOUT, LERR, OK )
00171 *
00172 *        SPOTRS
00173 *
00174          SRNAMT = 'SPOTRS'
00175          INFOT = 1
00176          CALL SPOTRS( '/', 0, 0, A, 1, B, 1, INFO )
00177          CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
00178          INFOT = 2
00179          CALL SPOTRS( 'U', -1, 0, A, 1, B, 1, INFO )
00180          CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
00181          INFOT = 3
00182          CALL SPOTRS( 'U', 0, -1, A, 1, B, 1, INFO )
00183          CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
00184          INFOT = 5
00185          CALL SPOTRS( 'U', 2, 1, A, 1, B, 2, INFO )
00186          CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
00187          INFOT = 7
00188          CALL SPOTRS( 'U', 2, 1, A, 2, B, 1, INFO )
00189          CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
00190 *
00191 *        SPORFS
00192 *
00193          SRNAMT = 'SPORFS'
00194          INFOT = 1
00195          CALL SPORFS( '/', 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W, IW,
00196      $                INFO )
00197          CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
00198          INFOT = 2
00199          CALL SPORFS( 'U', -1, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
00200      $                IW, INFO )
00201          CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
00202          INFOT = 3
00203          CALL SPORFS( 'U', 0, -1, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
00204      $                IW, INFO )
00205          CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
00206          INFOT = 5
00207          CALL SPORFS( 'U', 2, 1, A, 1, AF, 2, B, 2, X, 2, R1, R2, W, IW,
00208      $                INFO )
00209          CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
00210          INFOT = 7
00211          CALL SPORFS( 'U', 2, 1, A, 2, AF, 1, B, 2, X, 2, R1, R2, W, IW,
00212      $                INFO )
00213          CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
00214          INFOT = 9
00215          CALL SPORFS( 'U', 2, 1, A, 2, AF, 2, B, 1, X, 2, R1, R2, W, IW,
00216      $                INFO )
00217          CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
00218          INFOT = 11
00219          CALL SPORFS( 'U', 2, 1, A, 2, AF, 2, B, 2, X, 1, R1, R2, W, IW,
00220      $                INFO )
00221          CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
00222 *
00223 *        SPOCON
00224 *
00225          SRNAMT = 'SPOCON'
00226          INFOT = 1
00227          CALL SPOCON( '/', 0, A, 1, ANRM, RCOND, W, IW, INFO )
00228          CALL CHKXER( 'SPOCON', INFOT, NOUT, LERR, OK )
00229          INFOT = 2
00230          CALL SPOCON( 'U', -1, A, 1, ANRM, RCOND, W, IW, INFO )
00231          CALL CHKXER( 'SPOCON', INFOT, NOUT, LERR, OK )
00232          INFOT = 4
00233          CALL SPOCON( 'U', 2, A, 1, ANRM, RCOND, W, IW, INFO )
00234          CALL CHKXER( 'SPOCON', INFOT, NOUT, LERR, OK )
00235 *
00236 *        SPOEQU
00237 *
00238          SRNAMT = 'SPOEQU'
00239          INFOT = 1
00240          CALL SPOEQU( -1, A, 1, R1, RCOND, ANRM, INFO )
00241          CALL CHKXER( 'SPOEQU', INFOT, NOUT, LERR, OK )
00242          INFOT = 3
00243          CALL SPOEQU( 2, A, 1, R1, RCOND, ANRM, INFO )
00244          CALL CHKXER( 'SPOEQU', INFOT, NOUT, LERR, OK )
00245 *
00246       ELSE IF( LSAMEN( 2, C2, 'PP' ) ) THEN
00247 *
00248 *        Test error exits of the routines that use the Cholesky
00249 *        decomposition of a symmetric positive definite packed matrix.
00250 *
00251 *        SPPTRF
00252 *
00253          SRNAMT = 'SPPTRF'
00254          INFOT = 1
00255          CALL SPPTRF( '/', 0, A, INFO )
00256          CALL CHKXER( 'SPPTRF', INFOT, NOUT, LERR, OK )
00257          INFOT = 2
00258          CALL SPPTRF( 'U', -1, A, INFO )
00259          CALL CHKXER( 'SPPTRF', INFOT, NOUT, LERR, OK )
00260 *
00261 *        SPPTRI
00262 *
00263          SRNAMT = 'SPPTRI'
00264          INFOT = 1
00265          CALL SPPTRI( '/', 0, A, INFO )
00266          CALL CHKXER( 'SPPTRI', INFOT, NOUT, LERR, OK )
00267          INFOT = 2
00268          CALL SPPTRI( 'U', -1, A, INFO )
00269          CALL CHKXER( 'SPPTRI', INFOT, NOUT, LERR, OK )
00270 *
00271 *        SPPTRS
00272 *
00273          SRNAMT = 'SPPTRS'
00274          INFOT = 1
00275          CALL SPPTRS( '/', 0, 0, A, B, 1, INFO )
00276          CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
00277          INFOT = 2
00278          CALL SPPTRS( 'U', -1, 0, A, B, 1, INFO )
00279          CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
00280          INFOT = 3
00281          CALL SPPTRS( 'U', 0, -1, A, B, 1, INFO )
00282          CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
00283          INFOT = 6
00284          CALL SPPTRS( 'U', 2, 1, A, B, 1, INFO )
00285          CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
00286 *
00287 *        SPPRFS
00288 *
00289          SRNAMT = 'SPPRFS'
00290          INFOT = 1
00291          CALL SPPRFS( '/', 0, 0, A, AF, B, 1, X, 1, R1, R2, W, IW,
00292      $                INFO )
00293          CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
00294          INFOT = 2
00295          CALL SPPRFS( 'U', -1, 0, A, AF, B, 1, X, 1, R1, R2, W, IW,
00296      $                INFO )
00297          CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
00298          INFOT = 3
00299          CALL SPPRFS( 'U', 0, -1, A, AF, B, 1, X, 1, R1, R2, W, IW,
00300      $                INFO )
00301          CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
00302          INFOT = 7
00303          CALL SPPRFS( 'U', 2, 1, A, AF, B, 1, X, 2, R1, R2, W, IW,
00304      $                INFO )
00305          CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
00306          INFOT = 9
00307          CALL SPPRFS( 'U', 2, 1, A, AF, B, 2, X, 1, R1, R2, W, IW,
00308      $                INFO )
00309          CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
00310 *
00311 *        SPPCON
00312 *
00313          SRNAMT = 'SPPCON'
00314          INFOT = 1
00315          CALL SPPCON( '/', 0, A, ANRM, RCOND, W, IW, INFO )
00316          CALL CHKXER( 'SPPCON', INFOT, NOUT, LERR, OK )
00317          INFOT = 2
00318          CALL SPPCON( 'U', -1, A, ANRM, RCOND, W, IW, INFO )
00319          CALL CHKXER( 'SPPCON', INFOT, NOUT, LERR, OK )
00320 *
00321 *        SPPEQU
00322 *
00323          SRNAMT = 'SPPEQU'
00324          INFOT = 1
00325          CALL SPPEQU( '/', 0, A, R1, RCOND, ANRM, INFO )
00326          CALL CHKXER( 'SPPEQU', INFOT, NOUT, LERR, OK )
00327          INFOT = 2
00328          CALL SPPEQU( 'U', -1, A, R1, RCOND, ANRM, INFO )
00329          CALL CHKXER( 'SPPEQU', INFOT, NOUT, LERR, OK )
00330 *
00331       ELSE IF( LSAMEN( 2, C2, 'PB' ) ) THEN
00332 *
00333 *        Test error exits of the routines that use the Cholesky
00334 *        decomposition of a symmetric positive definite band matrix.
00335 *
00336 *        SPBTRF
00337 *
00338          SRNAMT = 'SPBTRF'
00339          INFOT = 1
00340          CALL SPBTRF( '/', 0, 0, A, 1, INFO )
00341          CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
00342          INFOT = 2
00343          CALL SPBTRF( 'U', -1, 0, A, 1, INFO )
00344          CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
00345          INFOT = 3
00346          CALL SPBTRF( 'U', 1, -1, A, 1, INFO )
00347          CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
00348          INFOT = 5
00349          CALL SPBTRF( 'U', 2, 1, A, 1, INFO )
00350          CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
00351 *
00352 *        SPBTF2
00353 *
00354          SRNAMT = 'SPBTF2'
00355          INFOT = 1
00356          CALL SPBTF2( '/', 0, 0, A, 1, INFO )
00357          CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
00358          INFOT = 2
00359          CALL SPBTF2( 'U', -1, 0, A, 1, INFO )
00360          CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
00361          INFOT = 3
00362          CALL SPBTF2( 'U', 1, -1, A, 1, INFO )
00363          CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
00364          INFOT = 5
00365          CALL SPBTF2( 'U', 2, 1, A, 1, INFO )
00366          CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
00367 *
00368 *        SPBTRS
00369 *
00370          SRNAMT = 'SPBTRS'
00371          INFOT = 1
00372          CALL SPBTRS( '/', 0, 0, 0, A, 1, B, 1, INFO )
00373          CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
00374          INFOT = 2
00375          CALL SPBTRS( 'U', -1, 0, 0, A, 1, B, 1, INFO )
00376          CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
00377          INFOT = 3
00378          CALL SPBTRS( 'U', 1, -1, 0, A, 1, B, 1, INFO )
00379          CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
00380          INFOT = 4
00381          CALL SPBTRS( 'U', 0, 0, -1, A, 1, B, 1, INFO )
00382          CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
00383          INFOT = 6
00384          CALL SPBTRS( 'U', 2, 1, 1, A, 1, B, 1, INFO )
00385          CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
00386          INFOT = 8
00387          CALL SPBTRS( 'U', 2, 0, 1, A, 1, B, 1, INFO )
00388          CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
00389 *
00390 *        SPBRFS
00391 *
00392          SRNAMT = 'SPBRFS'
00393          INFOT = 1
00394          CALL SPBRFS( '/', 0, 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
00395      $                IW, INFO )
00396          CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
00397          INFOT = 2
00398          CALL SPBRFS( 'U', -1, 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
00399      $                IW, INFO )
00400          CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
00401          INFOT = 3
00402          CALL SPBRFS( 'U', 1, -1, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
00403      $                IW, INFO )
00404          CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
00405          INFOT = 4
00406          CALL SPBRFS( 'U', 0, 0, -1, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
00407      $                IW, INFO )
00408          CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
00409          INFOT = 6
00410          CALL SPBRFS( 'U', 2, 1, 1, A, 1, AF, 2, B, 2, X, 2, R1, R2, W,
00411      $                IW, INFO )
00412          CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
00413          INFOT = 8
00414          CALL SPBRFS( 'U', 2, 1, 1, A, 2, AF, 1, B, 2, X, 2, R1, R2, W,
00415      $                IW, INFO )
00416          CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
00417          INFOT = 10
00418          CALL SPBRFS( 'U', 2, 0, 1, A, 1, AF, 1, B, 1, X, 2, R1, R2, W,
00419      $                IW, INFO )
00420          CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
00421          INFOT = 12
00422          CALL SPBRFS( 'U', 2, 0, 1, A, 1, AF, 1, B, 2, X, 1, R1, R2, W,
00423      $                IW, INFO )
00424          CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
00425 *
00426 *        SPBCON
00427 *
00428          SRNAMT = 'SPBCON'
00429          INFOT = 1
00430          CALL SPBCON( '/', 0, 0, A, 1, ANRM, RCOND, W, IW, INFO )
00431          CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
00432          INFOT = 2
00433          CALL SPBCON( 'U', -1, 0, A, 1, ANRM, RCOND, W, IW, INFO )
00434          CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
00435          INFOT = 3
00436          CALL SPBCON( 'U', 1, -1, A, 1, ANRM, RCOND, W, IW, INFO )
00437          CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
00438          INFOT = 5
00439          CALL SPBCON( 'U', 2, 1, A, 1, ANRM, RCOND, W, IW, INFO )
00440          CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
00441 *
00442 *        SPBEQU
00443 *
00444          SRNAMT = 'SPBEQU'
00445          INFOT = 1
00446          CALL SPBEQU( '/', 0, 0, A, 1, R1, RCOND, ANRM, INFO )
00447          CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
00448          INFOT = 2
00449          CALL SPBEQU( 'U', -1, 0, A, 1, R1, RCOND, ANRM, INFO )
00450          CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
00451          INFOT = 3
00452          CALL SPBEQU( 'U', 1, -1, A, 1, R1, RCOND, ANRM, INFO )
00453          CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
00454          INFOT = 5
00455          CALL SPBEQU( 'U', 2, 1, A, 1, R1, RCOND, ANRM, INFO )
00456          CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
00457       END IF
00458 *
00459 *     Print a summary line.
00460 *
00461       CALL ALAESM( PATH, OK, NOUT )
00462 *
00463       RETURN
00464 *
00465 *     End of SERRPO
00466 *
00467       END
 All Files Functions