LAPACK  3.4.1
LAPACK: Linear Algebra PACKage
serrge.f
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00001 *> \brief \b SERRGE
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 SERRGE( 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 *> SERRGE tests the error exits for the REAL routines
00025 *> for general 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 SERRGE( 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, LW
00072       PARAMETER          ( NMAX = 4, LW = 3*NMAX )
00073 *     ..
00074 *     .. Local Scalars ..
00075       CHARACTER*2        C2
00076       INTEGER            I, INFO, J
00077       REAL               ANRM, CCOND, RCOND
00078 *     ..
00079 *     .. Local Arrays ..
00080       INTEGER            IP( NMAX ), IW( NMAX )
00081       REAL               A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
00082      $                   R1( NMAX ), R2( NMAX ), W( LW ), X( NMAX )
00083 *     ..
00084 *     .. External Functions ..
00085       LOGICAL            LSAMEN
00086       EXTERNAL           LSAMEN
00087 *     ..
00088 *     .. External Subroutines ..
00089       EXTERNAL           ALAESM, CHKXER, SGBCON, SGBEQU, SGBRFS, SGBTF2,
00090      $                   SGBTRF, SGBTRS, SGECON, SGEEQU, SGERFS, SGETF2,
00091      $                   SGETRF, SGETRI, SGETRS
00092 *     ..
00093 *     .. Scalars in Common ..
00094       LOGICAL            LERR, OK
00095       CHARACTER*32       SRNAMT
00096       INTEGER            INFOT, NOUT
00097 *     ..
00098 *     .. Common blocks ..
00099       COMMON             / INFOC / INFOT, NOUT, OK, LERR
00100       COMMON             / SRNAMC / SRNAMT
00101 *     ..
00102 *     .. Intrinsic Functions ..
00103       INTRINSIC          REAL
00104 *     ..
00105 *     .. Executable Statements ..
00106 *
00107       NOUT = NUNIT
00108       WRITE( NOUT, FMT = * )
00109       C2 = PATH( 2: 3 )
00110 *
00111 *     Set the variables to innocuous values.
00112 *
00113       DO 20 J = 1, NMAX
00114          DO 10 I = 1, NMAX
00115             A( I, J ) = 1. / REAL( I+J )
00116             AF( I, J ) = 1. / REAL( I+J )
00117    10    CONTINUE
00118          B( J ) = 0.
00119          R1( J ) = 0.
00120          R2( J ) = 0.
00121          W( J ) = 0.
00122          X( J ) = 0.
00123          IP( J ) = J
00124          IW( J ) = J
00125    20 CONTINUE
00126       OK = .TRUE.
00127 *
00128       IF( LSAMEN( 2, C2, 'GE' ) ) THEN
00129 *
00130 *        Test error exits of the routines that use the LU decomposition
00131 *        of a general matrix.
00132 *
00133 *        SGETRF
00134 *
00135          SRNAMT = 'SGETRF'
00136          INFOT = 1
00137          CALL SGETRF( -1, 0, A, 1, IP, INFO )
00138          CALL CHKXER( 'SGETRF', INFOT, NOUT, LERR, OK )
00139          INFOT = 2
00140          CALL SGETRF( 0, -1, A, 1, IP, INFO )
00141          CALL CHKXER( 'SGETRF', INFOT, NOUT, LERR, OK )
00142          INFOT = 4
00143          CALL SGETRF( 2, 1, A, 1, IP, INFO )
00144          CALL CHKXER( 'SGETRF', INFOT, NOUT, LERR, OK )
00145 *
00146 *        SGETF2
00147 *
00148          SRNAMT = 'SGETF2'
00149          INFOT = 1
00150          CALL SGETF2( -1, 0, A, 1, IP, INFO )
00151          CALL CHKXER( 'SGETF2', INFOT, NOUT, LERR, OK )
00152          INFOT = 2
00153          CALL SGETF2( 0, -1, A, 1, IP, INFO )
00154          CALL CHKXER( 'SGETF2', INFOT, NOUT, LERR, OK )
00155          INFOT = 4
00156          CALL SGETF2( 2, 1, A, 1, IP, INFO )
00157          CALL CHKXER( 'SGETF2', INFOT, NOUT, LERR, OK )
00158 *
00159 *        SGETRI
00160 *
00161          SRNAMT = 'SGETRI'
00162          INFOT = 1
00163          CALL SGETRI( -1, A, 1, IP, W, LW, INFO )
00164          CALL CHKXER( 'SGETRI', INFOT, NOUT, LERR, OK )
00165          INFOT = 3
00166          CALL SGETRI( 2, A, 1, IP, W, LW, INFO )
00167          CALL CHKXER( 'SGETRI', INFOT, NOUT, LERR, OK )
00168 *
00169 *        SGETRS
00170 *
00171          SRNAMT = 'SGETRS'
00172          INFOT = 1
00173          CALL SGETRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
00174          CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
00175          INFOT = 2
00176          CALL SGETRS( 'N', -1, 0, A, 1, IP, B, 1, INFO )
00177          CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
00178          INFOT = 3
00179          CALL SGETRS( 'N', 0, -1, A, 1, IP, B, 1, INFO )
00180          CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
00181          INFOT = 5
00182          CALL SGETRS( 'N', 2, 1, A, 1, IP, B, 2, INFO )
00183          CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
00184          INFOT = 8
00185          CALL SGETRS( 'N', 2, 1, A, 2, IP, B, 1, INFO )
00186          CALL CHKXER( 'SGETRS', INFOT, NOUT, LERR, OK )
00187 *
00188 *        SGERFS
00189 *
00190          SRNAMT = 'SGERFS'
00191          INFOT = 1
00192          CALL SGERFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
00193      $                IW, INFO )
00194          CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
00195          INFOT = 2
00196          CALL SGERFS( 'N', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00197      $                W, IW, INFO )
00198          CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
00199          INFOT = 3
00200          CALL SGERFS( 'N', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00201      $                W, IW, INFO )
00202          CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
00203          INFOT = 5
00204          CALL SGERFS( 'N', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
00205      $                IW, INFO )
00206          CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
00207          INFOT = 7
00208          CALL SGERFS( 'N', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
00209      $                IW, INFO )
00210          CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
00211          INFOT = 10
00212          CALL SGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
00213      $                IW, INFO )
00214          CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
00215          INFOT = 12
00216          CALL SGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
00217      $                IW, INFO )
00218          CALL CHKXER( 'SGERFS', INFOT, NOUT, LERR, OK )
00219 *
00220 *        SGECON
00221 *
00222          SRNAMT = 'SGECON'
00223          INFOT = 1
00224          CALL SGECON( '/', 0, A, 1, ANRM, RCOND, W, IW, INFO )
00225          CALL CHKXER( 'SGECON', INFOT, NOUT, LERR, OK )
00226          INFOT = 2
00227          CALL SGECON( '1', -1, A, 1, ANRM, RCOND, W, IW, INFO )
00228          CALL CHKXER( 'SGECON', INFOT, NOUT, LERR, OK )
00229          INFOT = 4
00230          CALL SGECON( '1', 2, A, 1, ANRM, RCOND, W, IW, INFO )
00231          CALL CHKXER( 'SGECON', INFOT, NOUT, LERR, OK )
00232 *
00233 *        SGEEQU
00234 *
00235          SRNAMT = 'SGEEQU'
00236          INFOT = 1
00237          CALL SGEEQU( -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
00238          CALL CHKXER( 'SGEEQU', INFOT, NOUT, LERR, OK )
00239          INFOT = 2
00240          CALL SGEEQU( 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
00241          CALL CHKXER( 'SGEEQU', INFOT, NOUT, LERR, OK )
00242          INFOT = 4
00243          CALL SGEEQU( 2, 2, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
00244          CALL CHKXER( 'SGEEQU', INFOT, NOUT, LERR, OK )
00245 *
00246       ELSE IF( LSAMEN( 2, C2, 'GB' ) ) THEN
00247 *
00248 *        Test error exits of the routines that use the LU decomposition
00249 *        of a general band matrix.
00250 *
00251 *        SGBTRF
00252 *
00253          SRNAMT = 'SGBTRF'
00254          INFOT = 1
00255          CALL SGBTRF( -1, 0, 0, 0, A, 1, IP, INFO )
00256          CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
00257          INFOT = 2
00258          CALL SGBTRF( 0, -1, 0, 0, A, 1, IP, INFO )
00259          CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
00260          INFOT = 3
00261          CALL SGBTRF( 1, 1, -1, 0, A, 1, IP, INFO )
00262          CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
00263          INFOT = 4
00264          CALL SGBTRF( 1, 1, 0, -1, A, 1, IP, INFO )
00265          CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
00266          INFOT = 6
00267          CALL SGBTRF( 2, 2, 1, 1, A, 3, IP, INFO )
00268          CALL CHKXER( 'SGBTRF', INFOT, NOUT, LERR, OK )
00269 *
00270 *        SGBTF2
00271 *
00272          SRNAMT = 'SGBTF2'
00273          INFOT = 1
00274          CALL SGBTF2( -1, 0, 0, 0, A, 1, IP, INFO )
00275          CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
00276          INFOT = 2
00277          CALL SGBTF2( 0, -1, 0, 0, A, 1, IP, INFO )
00278          CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
00279          INFOT = 3
00280          CALL SGBTF2( 1, 1, -1, 0, A, 1, IP, INFO )
00281          CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
00282          INFOT = 4
00283          CALL SGBTF2( 1, 1, 0, -1, A, 1, IP, INFO )
00284          CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
00285          INFOT = 6
00286          CALL SGBTF2( 2, 2, 1, 1, A, 3, IP, INFO )
00287          CALL CHKXER( 'SGBTF2', INFOT, NOUT, LERR, OK )
00288 *
00289 *        SGBTRS
00290 *
00291          SRNAMT = 'SGBTRS'
00292          INFOT = 1
00293          CALL SGBTRS( '/', 0, 0, 0, 1, A, 1, IP, B, 1, INFO )
00294          CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
00295          INFOT = 2
00296          CALL SGBTRS( 'N', -1, 0, 0, 1, A, 1, IP, B, 1, INFO )
00297          CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
00298          INFOT = 3
00299          CALL SGBTRS( 'N', 1, -1, 0, 1, A, 1, IP, B, 1, INFO )
00300          CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
00301          INFOT = 4
00302          CALL SGBTRS( 'N', 1, 0, -1, 1, A, 1, IP, B, 1, INFO )
00303          CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
00304          INFOT = 5
00305          CALL SGBTRS( 'N', 1, 0, 0, -1, A, 1, IP, B, 1, INFO )
00306          CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
00307          INFOT = 7
00308          CALL SGBTRS( 'N', 2, 1, 1, 1, A, 3, IP, B, 2, INFO )
00309          CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
00310          INFOT = 10
00311          CALL SGBTRS( 'N', 2, 0, 0, 1, A, 1, IP, B, 1, INFO )
00312          CALL CHKXER( 'SGBTRS', INFOT, NOUT, LERR, OK )
00313 *
00314 *        SGBRFS
00315 *
00316          SRNAMT = 'SGBRFS'
00317          INFOT = 1
00318          CALL SGBRFS( '/', 0, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00319      $                R2, W, IW, INFO )
00320          CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
00321          INFOT = 2
00322          CALL SGBRFS( 'N', -1, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00323      $                R2, W, IW, INFO )
00324          CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
00325          INFOT = 3
00326          CALL SGBRFS( 'N', 1, -1, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00327      $                R2, W, IW, INFO )
00328          CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
00329          INFOT = 4
00330          CALL SGBRFS( 'N', 1, 0, -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00331      $                R2, W, IW, INFO )
00332          CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
00333          INFOT = 5
00334          CALL SGBRFS( 'N', 1, 0, 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00335      $                R2, W, IW, INFO )
00336          CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
00337          INFOT = 7
00338          CALL SGBRFS( 'N', 2, 1, 1, 1, A, 2, AF, 4, IP, B, 2, X, 2, R1,
00339      $                R2, W, IW, INFO )
00340          CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
00341          INFOT = 9
00342          CALL SGBRFS( 'N', 2, 1, 1, 1, A, 3, AF, 3, IP, B, 2, X, 2, R1,
00343      $                R2, W, IW, INFO )
00344          CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
00345          INFOT = 12
00346          CALL SGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 1, X, 2, R1,
00347      $                R2, W, IW, INFO )
00348          CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
00349          INFOT = 14
00350          CALL SGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 2, X, 1, R1,
00351      $                R2, W, IW, INFO )
00352          CALL CHKXER( 'SGBRFS', INFOT, NOUT, LERR, OK )
00353 *
00354 *        SGBCON
00355 *
00356          SRNAMT = 'SGBCON'
00357          INFOT = 1
00358          CALL SGBCON( '/', 0, 0, 0, A, 1, IP, ANRM, RCOND, W, IW, INFO )
00359          CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
00360          INFOT = 2
00361          CALL SGBCON( '1', -1, 0, 0, A, 1, IP, ANRM, RCOND, W, IW,
00362      $                INFO )
00363          CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
00364          INFOT = 3
00365          CALL SGBCON( '1', 1, -1, 0, A, 1, IP, ANRM, RCOND, W, IW,
00366      $                INFO )
00367          CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
00368          INFOT = 4
00369          CALL SGBCON( '1', 1, 0, -1, A, 1, IP, ANRM, RCOND, W, IW,
00370      $                INFO )
00371          CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
00372          INFOT = 6
00373          CALL SGBCON( '1', 2, 1, 1, A, 3, IP, ANRM, RCOND, W, IW, INFO )
00374          CALL CHKXER( 'SGBCON', INFOT, NOUT, LERR, OK )
00375 *
00376 *        SGBEQU
00377 *
00378          SRNAMT = 'SGBEQU'
00379          INFOT = 1
00380          CALL SGBEQU( -1, 0, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
00381      $                INFO )
00382          CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK )
00383          INFOT = 2
00384          CALL SGBEQU( 0, -1, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
00385      $                INFO )
00386          CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK )
00387          INFOT = 3
00388          CALL SGBEQU( 1, 1, -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
00389      $                INFO )
00390          CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK )
00391          INFOT = 4
00392          CALL SGBEQU( 1, 1, 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM,
00393      $                INFO )
00394          CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK )
00395          INFOT = 6
00396          CALL SGBEQU( 2, 2, 1, 1, A, 2, R1, R2, RCOND, CCOND, ANRM,
00397      $                INFO )
00398          CALL CHKXER( 'SGBEQU', INFOT, NOUT, LERR, OK )
00399       END IF
00400 *
00401 *     Print a summary line.
00402 *
00403       CALL ALAESM( PATH, OK, NOUT )
00404 *
00405       RETURN
00406 *
00407 *     End of SERRGE
00408 *
00409       END
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