LAPACK: TESTING/LIN/cerrge.f Source File

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00001       SUBROUTINE CERRGE( PATH, NUNIT )
00002 *
00003 *  -- LAPACK test routine (version 3.1) --
00004 *     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd..
00005 *     November 2006
00006 *
00007 *     .. Scalar Arguments ..
00008       CHARACTER*3        PATH
00009       INTEGER            NUNIT
00010 *     ..
00011 *
00012 *  Purpose
00013 *  =======
00014 *
00015 *  CERRGE tests the error exits for the COMPLEX routines
00016 *  for general matrices.
00017 *
00018 *  Arguments
00019 *  =========
00020 *
00021 *  PATH    (input) CHARACTER*3
00022 *          The LAPACK path name for the routines to be tested.
00023 *
00024 *  NUNIT   (input) INTEGER
00025 *          The unit number for output.
00026 *
00027 *  =====================================================================
00028 *
00029 *     .. Parameters ..
00030       INTEGER            NMAX
00031       PARAMETER          ( NMAX = 4 )
00032 *     ..
00033 *     .. Local Scalars ..
00034       CHARACTER*2        C2
00035       INTEGER            I, INFO, J
00036       REAL               ANRM, CCOND, RCOND
00037 *     ..
00038 *     .. Local Arrays ..
00039       INTEGER            IP( NMAX )
00040       REAL               R( NMAX ), R1( NMAX ), R2( NMAX )
00041       COMPLEX            A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
00042      $                   W( 2*NMAX ), X( NMAX )
00043 *     ..
00044 *     .. External Functions ..
00045       LOGICAL            LSAMEN
00046       EXTERNAL           LSAMEN
00047 *     ..
00048 *     .. External Subroutines ..
00049       EXTERNAL           ALAESM, CGBCON, CGBEQU, CGBRFS, CGBTF2, CGBTRF,
00050      $                   CGBTRS, CGECON, CGEEQU, CGERFS, CGETF2, CGETRF,
00051      $                   CGETRI, CGETRS, CHKXER
00052 *     ..
00053 *     .. Scalars in Common ..
00054       LOGICAL            LERR, OK
00055       CHARACTER*32       SRNAMT
00056       INTEGER            INFOT, NOUT
00057 *     ..
00058 *     .. Common blocks ..
00059       COMMON             / INFOC / INFOT, NOUT, OK, LERR
00060       COMMON             / SRNAMC / SRNAMT
00061 *     ..
00062 *     .. Intrinsic Functions ..
00063       INTRINSIC          CMPLX, REAL
00064 *     ..
00065 *     .. Executable Statements ..
00066 *
00067       NOUT = NUNIT
00068       WRITE( NOUT, FMT = * )
00069       C2 = PATH( 2: 3 )
00070 *
00071 *     Set the variables to innocuous values.
00072 *
00073       DO 20 J = 1, NMAX
00074          DO 10 I = 1, NMAX
00075             A( I, J ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
00076             AF( I, J ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
00077    10    CONTINUE
00078          B( J ) = 0.
00079          R1( J ) = 0.
00080          R2( J ) = 0.
00081          W( J ) = 0.
00082          X( J ) = 0.
00083          IP( J ) = J
00084    20 CONTINUE
00085       OK = .TRUE.
00086 *
00087 *     Test error exits of the routines that use the LU decomposition
00088 *     of a general matrix.
00089 *
00090       IF( LSAMEN( 2, C2, 'GE' ) ) THEN
00091 *
00092 *        CGETRF
00093 *
00094          SRNAMT = 'CGETRF'
00095          INFOT = 1
00096          CALL CGETRF( -1, 0, A, 1, IP, INFO )
00097          CALL CHKXER( 'CGETRF', INFOT, NOUT, LERR, OK )
00098          INFOT = 2
00099          CALL CGETRF( 0, -1, A, 1, IP, INFO )
00100          CALL CHKXER( 'CGETRF', INFOT, NOUT, LERR, OK )
00101          INFOT = 4
00102          CALL CGETRF( 2, 1, A, 1, IP, INFO )
00103          CALL CHKXER( 'CGETRF', INFOT, NOUT, LERR, OK )
00104 *
00105 *        CGETF2
00106 *
00107          SRNAMT = 'CGETF2'
00108          INFOT = 1
00109          CALL CGETF2( -1, 0, A, 1, IP, INFO )
00110          CALL CHKXER( 'CGETF2', INFOT, NOUT, LERR, OK )
00111          INFOT = 2
00112          CALL CGETF2( 0, -1, A, 1, IP, INFO )
00113          CALL CHKXER( 'CGETF2', INFOT, NOUT, LERR, OK )
00114          INFOT = 4
00115          CALL CGETF2( 2, 1, A, 1, IP, INFO )
00116          CALL CHKXER( 'CGETF2', INFOT, NOUT, LERR, OK )
00117 *
00118 *        CGETRI
00119 *
00120          SRNAMT = 'CGETRI'
00121          INFOT = 1
00122          CALL CGETRI( -1, A, 1, IP, W, 1, INFO )
00123          CALL CHKXER( 'CGETRI', INFOT, NOUT, LERR, OK )
00124          INFOT = 3
00125          CALL CGETRI( 2, A, 1, IP, W, 2, INFO )
00126          CALL CHKXER( 'CGETRI', INFOT, NOUT, LERR, OK )
00127          INFOT = 6
00128          CALL CGETRI( 2, A, 2, IP, W, 1, INFO )
00129          CALL CHKXER( 'CGETRI', INFOT, NOUT, LERR, OK )
00130 *
00131 *        CGETRS
00132 *
00133          SRNAMT = 'CGETRS'
00134          INFOT = 1
00135          CALL CGETRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
00136          CALL CHKXER( 'CGETRS', INFOT, NOUT, LERR, OK )
00137          INFOT = 2
00138          CALL CGETRS( 'N', -1, 0, A, 1, IP, B, 1, INFO )
00139          CALL CHKXER( 'CGETRS', INFOT, NOUT, LERR, OK )
00140          INFOT = 3
00141          CALL CGETRS( 'N', 0, -1, A, 1, IP, B, 1, INFO )
00142          CALL CHKXER( 'CGETRS', INFOT, NOUT, LERR, OK )
00143          INFOT = 5
00144          CALL CGETRS( 'N', 2, 1, A, 1, IP, B, 2, INFO )
00145          CALL CHKXER( 'CGETRS', INFOT, NOUT, LERR, OK )
00146          INFOT = 8
00147          CALL CGETRS( 'N', 2, 1, A, 2, IP, B, 1, INFO )
00148          CALL CHKXER( 'CGETRS', INFOT, NOUT, LERR, OK )
00149 *
00150 *        CGERFS
00151 *
00152          SRNAMT = 'CGERFS'
00153          INFOT = 1
00154          CALL CGERFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
00155      $                R, INFO )
00156          CALL CHKXER( 'CGERFS', INFOT, NOUT, LERR, OK )
00157          INFOT = 2
00158          CALL CGERFS( 'N', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00159      $                W, R, INFO )
00160          CALL CHKXER( 'CGERFS', INFOT, NOUT, LERR, OK )
00161          INFOT = 3
00162          CALL CGERFS( 'N', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00163      $                W, R, INFO )
00164          CALL CHKXER( 'CGERFS', INFOT, NOUT, LERR, OK )
00165          INFOT = 5
00166          CALL CGERFS( 'N', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
00167      $                R, INFO )
00168          CALL CHKXER( 'CGERFS', INFOT, NOUT, LERR, OK )
00169          INFOT = 7
00170          CALL CGERFS( 'N', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
00171      $                R, INFO )
00172          CALL CHKXER( 'CGERFS', INFOT, NOUT, LERR, OK )
00173          INFOT = 10
00174          CALL CGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
00175      $                R, INFO )
00176          CALL CHKXER( 'CGERFS', INFOT, NOUT, LERR, OK )
00177          INFOT = 12
00178          CALL CGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
00179      $                R, INFO )
00180          CALL CHKXER( 'CGERFS', INFOT, NOUT, LERR, OK )
00181 *
00182 *        CGECON
00183 *
00184          SRNAMT = 'CGECON'
00185          INFOT = 1
00186          CALL CGECON( '/', 0, A, 1, ANRM, RCOND, W, R, INFO )
00187          CALL CHKXER( 'CGECON', INFOT, NOUT, LERR, OK )
00188          INFOT = 2
00189          CALL CGECON( '1', -1, A, 1, ANRM, RCOND, W, R, INFO )
00190          CALL CHKXER( 'CGECON', INFOT, NOUT, LERR, OK )
00191          INFOT = 4
00192          CALL CGECON( '1', 2, A, 1, ANRM, RCOND, W, R, INFO )
00193          CALL CHKXER( 'CGECON', INFOT, NOUT, LERR, OK )
00194 *
00195 *        CGEEQU
00196 *
00197          SRNAMT = 'CGEEQU'
00198          INFOT = 1
00199          CALL CGEEQU( -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
00200          CALL CHKXER( 'CGEEQU', INFOT, NOUT, LERR, OK )
00201          INFOT = 2
00202          CALL CGEEQU( 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
00203          CALL CHKXER( 'CGEEQU', INFOT, NOUT, LERR, OK )
00204          INFOT = 4
00205          CALL CGEEQU( 2, 2, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
00206          CALL CHKXER( 'CGEEQU', INFOT, NOUT, LERR, OK )
00207 *
00208 *     Test error exits of the routines that use the LU decomposition
00209 *     of a general band matrix.
00210 *
00211       ELSE IF( LSAMEN( 2, C2, 'GB' ) ) THEN
00212 *
00213 *        CGBTRF
00214 *
00215          SRNAMT = 'CGBTRF'
00216          INFOT = 1
00217          CALL CGBTRF( -1, 0, 0, 0, A, 1, IP, INFO )
00218          CALL CHKXER( 'CGBTRF', INFOT, NOUT, LERR, OK )
00219          INFOT = 2
00220          CALL CGBTRF( 0, -1, 0, 0, A, 1, IP, INFO )
00221          CALL CHKXER( 'CGBTRF', INFOT, NOUT, LERR, OK )
00222          INFOT = 3
00223          CALL CGBTRF( 1, 1, -1, 0, A, 1, IP, INFO )
00224          CALL CHKXER( 'CGBTRF', INFOT, NOUT, LERR, OK )
00225          INFOT = 4
00226          CALL CGBTRF( 1, 1, 0, -1, A, 1, IP, INFO )
00227          CALL CHKXER( 'CGBTRF', INFOT, NOUT, LERR, OK )
00228          INFOT = 6
00229          CALL CGBTRF( 2, 2, 1, 1, A, 3, IP, INFO )
00230          CALL CHKXER( 'CGBTRF', INFOT, NOUT, LERR, OK )
00231 *
00232 *        CGBTF2
00233 *
00234          SRNAMT = 'CGBTF2'
00235          INFOT = 1
00236          CALL CGBTF2( -1, 0, 0, 0, A, 1, IP, INFO )
00237          CALL CHKXER( 'CGBTF2', INFOT, NOUT, LERR, OK )
00238          INFOT = 2
00239          CALL CGBTF2( 0, -1, 0, 0, A, 1, IP, INFO )
00240          CALL CHKXER( 'CGBTF2', INFOT, NOUT, LERR, OK )
00241          INFOT = 3
00242          CALL CGBTF2( 1, 1, -1, 0, A, 1, IP, INFO )
00243          CALL CHKXER( 'CGBTF2', INFOT, NOUT, LERR, OK )
00244          INFOT = 4
00245          CALL CGBTF2( 1, 1, 0, -1, A, 1, IP, INFO )
00246          CALL CHKXER( 'CGBTF2', INFOT, NOUT, LERR, OK )
00247          INFOT = 6
00248          CALL CGBTF2( 2, 2, 1, 1, A, 3, IP, INFO )
00249          CALL CHKXER( 'CGBTF2', INFOT, NOUT, LERR, OK )
00250 *
00251 *        CGBTRS
00252 *
00253          SRNAMT = 'CGBTRS'
00254          INFOT = 1
00255          CALL CGBTRS( '/', 0, 0, 0, 1, A, 1, IP, B, 1, INFO )
00256          CALL CHKXER( 'CGBTRS', INFOT, NOUT, LERR, OK )
00257          INFOT = 2
00258          CALL CGBTRS( 'N', -1, 0, 0, 1, A, 1, IP, B, 1, INFO )
00259          CALL CHKXER( 'CGBTRS', INFOT, NOUT, LERR, OK )
00260          INFOT = 3
00261          CALL CGBTRS( 'N', 1, -1, 0, 1, A, 1, IP, B, 1, INFO )
00262          CALL CHKXER( 'CGBTRS', INFOT, NOUT, LERR, OK )
00263          INFOT = 4
00264          CALL CGBTRS( 'N', 1, 0, -1, 1, A, 1, IP, B, 1, INFO )
00265          CALL CHKXER( 'CGBTRS', INFOT, NOUT, LERR, OK )
00266          INFOT = 5
00267          CALL CGBTRS( 'N', 1, 0, 0, -1, A, 1, IP, B, 1, INFO )
00268          CALL CHKXER( 'CGBTRS', INFOT, NOUT, LERR, OK )
00269          INFOT = 7
00270          CALL CGBTRS( 'N', 2, 1, 1, 1, A, 3, IP, B, 2, INFO )
00271          CALL CHKXER( 'CGBTRS', INFOT, NOUT, LERR, OK )
00272          INFOT = 10
00273          CALL CGBTRS( 'N', 2, 0, 0, 1, A, 1, IP, B, 1, INFO )
00274          CALL CHKXER( 'CGBTRS', INFOT, NOUT, LERR, OK )
00275 *
00276 *        CGBRFS
00277 *
00278          SRNAMT = 'CGBRFS'
00279          INFOT = 1
00280          CALL CGBRFS( '/', 0, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00281      $                R2, W, R, INFO )
00282          CALL CHKXER( 'CGBRFS', INFOT, NOUT, LERR, OK )
00283          INFOT = 2
00284          CALL CGBRFS( 'N', -1, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00285      $                R2, W, R, INFO )
00286          CALL CHKXER( 'CGBRFS', INFOT, NOUT, LERR, OK )
00287          INFOT = 3
00288          CALL CGBRFS( 'N', 1, -1, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00289      $                R2, W, R, INFO )
00290          CALL CHKXER( 'CGBRFS', INFOT, NOUT, LERR, OK )
00291          INFOT = 4
00292          CALL CGBRFS( 'N', 1, 0, -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00293      $                R2, W, R, INFO )
00294          CALL CHKXER( 'CGBRFS', INFOT, NOUT, LERR, OK )
00295          INFOT = 5
00296          CALL CGBRFS( 'N', 1, 0, 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00297      $                R2, W, R, INFO )
00298          CALL CHKXER( 'CGBRFS', INFOT, NOUT, LERR, OK )
00299          INFOT = 7
00300          CALL CGBRFS( 'N', 2, 1, 1, 1, A, 2, AF, 4, IP, B, 2, X, 2, R1,
00301      $                R2, W, R, INFO )
00302          CALL CHKXER( 'CGBRFS', INFOT, NOUT, LERR, OK )
00303          INFOT = 9
00304          CALL CGBRFS( 'N', 2, 1, 1, 1, A, 3, AF, 3, IP, B, 2, X, 2, R1,
00305      $                R2, W, R, INFO )
00306          CALL CHKXER( 'CGBRFS', INFOT, NOUT, LERR, OK )
00307          INFOT = 12
00308          CALL CGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 1, X, 2, R1,
00309      $                R2, W, R, INFO )
00310          CALL CHKXER( 'CGBRFS', INFOT, NOUT, LERR, OK )
00311          INFOT = 14
00312          CALL CGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 2, X, 1, R1,
00313      $                R2, W, R, INFO )
00314          CALL CHKXER( 'CGBRFS', INFOT, NOUT, LERR, OK )
00315 *
00316 *        CGBCON
00317 *
00318          SRNAMT = 'CGBCON'
00319          INFOT = 1
00320          CALL CGBCON( '/', 0, 0, 0, A, 1, IP, ANRM, RCOND, W, R, INFO )
00321          CALL CHKXER( 'CGBCON', INFOT, NOUT, LERR, OK )
00322          INFOT = 2
00323          CALL CGBCON( '1', -1, 0, 0, A, 1, IP, ANRM, RCOND, W, R, INFO )
00324          CALL CHKXER( 'CGBCON', INFOT, NOUT, LERR, OK )
00325          INFOT = 3
00326          CALL CGBCON( '1', 1, -1, 0, A, 1, IP, ANRM, RCOND, W, R, INFO )
00327          CALL CHKXER( 'CGBCON', INFOT, NOUT, LERR, OK )
00328          INFOT = 4
00329          CALL CGBCON( '1', 1, 0, -1, A, 1, IP, ANRM, RCOND, W, R, INFO )
00330          CALL CHKXER( 'CGBCON', INFOT, NOUT, LERR, OK )
00331          INFOT = 6
00332          CALL CGBCON( '1', 2, 1, 1, A, 3, IP, ANRM, RCOND, W, R, INFO )
00333          CALL CHKXER( 'CGBCON', INFOT, NOUT, LERR, OK )
00334 *
00335 *        CGBEQU
00336 *
00337          SRNAMT = 'CGBEQU'
00338          INFOT = 1
00339          CALL CGBEQU( -1, 0, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
00340      $                INFO )
00341          CALL CHKXER( 'CGBEQU', INFOT, NOUT, LERR, OK )
00342          INFOT = 2
00343          CALL CGBEQU( 0, -1, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
00344      $                INFO )
00345          CALL CHKXER( 'CGBEQU', INFOT, NOUT, LERR, OK )
00346          INFOT = 3
00347          CALL CGBEQU( 1, 1, -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
00348      $                INFO )
00349          CALL CHKXER( 'CGBEQU', INFOT, NOUT, LERR, OK )
00350          INFOT = 4
00351          CALL CGBEQU( 1, 1, 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM,
00352      $                INFO )
00353          CALL CHKXER( 'CGBEQU', INFOT, NOUT, LERR, OK )
00354          INFOT = 6
00355          CALL CGBEQU( 2, 2, 1, 1, A, 2, R1, R2, RCOND, CCOND, ANRM,
00356      $                INFO )
00357          CALL CHKXER( 'CGBEQU', INFOT, NOUT, LERR, OK )
00358       END IF
00359 *
00360 *     Print a summary line.
00361 *
00362       CALL ALAESM( PATH, OK, NOUT )
00363 *
00364       RETURN
00365 *
00366 *     End of CERRGE
00367 *
00368       END