LAPACK: TESTING/LIN/zerrge.f Source File

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00001       SUBROUTINE ZERRGE( 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 *  ZERRGE tests the error exits for the COMPLEX*16 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       DOUBLE PRECISION   ANRM, CCOND, RCOND
00037 *     ..
00038 *     .. Local Arrays ..
00039       INTEGER            IP( NMAX )
00040       DOUBLE PRECISION   R( NMAX ), R1( NMAX ), R2( NMAX )
00041       COMPLEX*16         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, CHKXER, ZGBCON, ZGBEQU, ZGBRFS, ZGBTF2,
00050      $                   ZGBTRF, ZGBTRS, ZGECON, ZGEEQU, ZGERFS, ZGETF2,
00051      $                   ZGETRF, ZGETRI, ZGETRS
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          DBLE, DCMPLX
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 ) = DCMPLX( 1.D0 / DBLE( I+J ),
00076      $                  -1.D0 / DBLE( I+J ) )
00077             AF( I, J ) = DCMPLX( 1.D0 / DBLE( I+J ),
00078      $                   -1.D0 / DBLE( I+J ) )
00079    10    CONTINUE
00080          B( J ) = 0.D0
00081          R1( J ) = 0.D0
00082          R2( J ) = 0.D0
00083          W( J ) = 0.D0
00084          X( J ) = 0.D0
00085          IP( J ) = J
00086    20 CONTINUE
00087       OK = .TRUE.
00088 *
00089 *     Test error exits of the routines that use the LU decomposition
00090 *     of a general matrix.
00091 *
00092       IF( LSAMEN( 2, C2, 'GE' ) ) THEN
00093 *
00094 *        ZGETRF
00095 *
00096          SRNAMT = 'ZGETRF'
00097          INFOT = 1
00098          CALL ZGETRF( -1, 0, A, 1, IP, INFO )
00099          CALL CHKXER( 'ZGETRF', INFOT, NOUT, LERR, OK )
00100          INFOT = 2
00101          CALL ZGETRF( 0, -1, A, 1, IP, INFO )
00102          CALL CHKXER( 'ZGETRF', INFOT, NOUT, LERR, OK )
00103          INFOT = 4
00104          CALL ZGETRF( 2, 1, A, 1, IP, INFO )
00105          CALL CHKXER( 'ZGETRF', INFOT, NOUT, LERR, OK )
00106 *
00107 *        ZGETF2
00108 *
00109          SRNAMT = 'ZGETF2'
00110          INFOT = 1
00111          CALL ZGETF2( -1, 0, A, 1, IP, INFO )
00112          CALL CHKXER( 'ZGETF2', INFOT, NOUT, LERR, OK )
00113          INFOT = 2
00114          CALL ZGETF2( 0, -1, A, 1, IP, INFO )
00115          CALL CHKXER( 'ZGETF2', INFOT, NOUT, LERR, OK )
00116          INFOT = 4
00117          CALL ZGETF2( 2, 1, A, 1, IP, INFO )
00118          CALL CHKXER( 'ZGETF2', INFOT, NOUT, LERR, OK )
00119 *
00120 *        ZGETRI
00121 *
00122          SRNAMT = 'ZGETRI'
00123          INFOT = 1
00124          CALL ZGETRI( -1, A, 1, IP, W, 1, INFO )
00125          CALL CHKXER( 'ZGETRI', INFOT, NOUT, LERR, OK )
00126          INFOT = 3
00127          CALL ZGETRI( 2, A, 1, IP, W, 2, INFO )
00128          CALL CHKXER( 'ZGETRI', INFOT, NOUT, LERR, OK )
00129          INFOT = 6
00130          CALL ZGETRI( 2, A, 2, IP, W, 1, INFO )
00131          CALL CHKXER( 'ZGETRI', INFOT, NOUT, LERR, OK )
00132 *
00133 *        ZGETRS
00134 *
00135          SRNAMT = 'ZGETRS'
00136          INFOT = 1
00137          CALL ZGETRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
00138          CALL CHKXER( 'ZGETRS', INFOT, NOUT, LERR, OK )
00139          INFOT = 2
00140          CALL ZGETRS( 'N', -1, 0, A, 1, IP, B, 1, INFO )
00141          CALL CHKXER( 'ZGETRS', INFOT, NOUT, LERR, OK )
00142          INFOT = 3
00143          CALL ZGETRS( 'N', 0, -1, A, 1, IP, B, 1, INFO )
00144          CALL CHKXER( 'ZGETRS', INFOT, NOUT, LERR, OK )
00145          INFOT = 5
00146          CALL ZGETRS( 'N', 2, 1, A, 1, IP, B, 2, INFO )
00147          CALL CHKXER( 'ZGETRS', INFOT, NOUT, LERR, OK )
00148          INFOT = 8
00149          CALL ZGETRS( 'N', 2, 1, A, 2, IP, B, 1, INFO )
00150          CALL CHKXER( 'ZGETRS', INFOT, NOUT, LERR, OK )
00151 *
00152 *        ZGERFS
00153 *
00154          SRNAMT = 'ZGERFS'
00155          INFOT = 1
00156          CALL ZGERFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
00157      $                R, INFO )
00158          CALL CHKXER( 'ZGERFS', INFOT, NOUT, LERR, OK )
00159          INFOT = 2
00160          CALL ZGERFS( 'N', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00161      $                W, R, INFO )
00162          CALL CHKXER( 'ZGERFS', INFOT, NOUT, LERR, OK )
00163          INFOT = 3
00164          CALL ZGERFS( 'N', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00165      $                W, R, INFO )
00166          CALL CHKXER( 'ZGERFS', INFOT, NOUT, LERR, OK )
00167          INFOT = 5
00168          CALL ZGERFS( 'N', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
00169      $                R, INFO )
00170          CALL CHKXER( 'ZGERFS', INFOT, NOUT, LERR, OK )
00171          INFOT = 7
00172          CALL ZGERFS( 'N', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
00173      $                R, INFO )
00174          CALL CHKXER( 'ZGERFS', INFOT, NOUT, LERR, OK )
00175          INFOT = 10
00176          CALL ZGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
00177      $                R, INFO )
00178          CALL CHKXER( 'ZGERFS', INFOT, NOUT, LERR, OK )
00179          INFOT = 12
00180          CALL ZGERFS( 'N', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
00181      $                R, INFO )
00182          CALL CHKXER( 'ZGERFS', INFOT, NOUT, LERR, OK )
00183 *
00184 *        ZGECON
00185 *
00186          SRNAMT = 'ZGECON'
00187          INFOT = 1
00188          CALL ZGECON( '/', 0, A, 1, ANRM, RCOND, W, R, INFO )
00189          CALL CHKXER( 'ZGECON', INFOT, NOUT, LERR, OK )
00190          INFOT = 2
00191          CALL ZGECON( '1', -1, A, 1, ANRM, RCOND, W, R, INFO )
00192          CALL CHKXER( 'ZGECON', INFOT, NOUT, LERR, OK )
00193          INFOT = 4
00194          CALL ZGECON( '1', 2, A, 1, ANRM, RCOND, W, R, INFO )
00195          CALL CHKXER( 'ZGECON', INFOT, NOUT, LERR, OK )
00196 *
00197 *        ZGEEQU
00198 *
00199          SRNAMT = 'ZGEEQU'
00200          INFOT = 1
00201          CALL ZGEEQU( -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
00202          CALL CHKXER( 'ZGEEQU', INFOT, NOUT, LERR, OK )
00203          INFOT = 2
00204          CALL ZGEEQU( 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
00205          CALL CHKXER( 'ZGEEQU', INFOT, NOUT, LERR, OK )
00206          INFOT = 4
00207          CALL ZGEEQU( 2, 2, A, 1, R1, R2, RCOND, CCOND, ANRM, INFO )
00208          CALL CHKXER( 'ZGEEQU', INFOT, NOUT, LERR, OK )
00209 *
00210 *     Test error exits of the routines that use the LU decomposition
00211 *     of a general band matrix.
00212 *
00213       ELSE IF( LSAMEN( 2, C2, 'GB' ) ) THEN
00214 *
00215 *        ZGBTRF
00216 *
00217          SRNAMT = 'ZGBTRF'
00218          INFOT = 1
00219          CALL ZGBTRF( -1, 0, 0, 0, A, 1, IP, INFO )
00220          CALL CHKXER( 'ZGBTRF', INFOT, NOUT, LERR, OK )
00221          INFOT = 2
00222          CALL ZGBTRF( 0, -1, 0, 0, A, 1, IP, INFO )
00223          CALL CHKXER( 'ZGBTRF', INFOT, NOUT, LERR, OK )
00224          INFOT = 3
00225          CALL ZGBTRF( 1, 1, -1, 0, A, 1, IP, INFO )
00226          CALL CHKXER( 'ZGBTRF', INFOT, NOUT, LERR, OK )
00227          INFOT = 4
00228          CALL ZGBTRF( 1, 1, 0, -1, A, 1, IP, INFO )
00229          CALL CHKXER( 'ZGBTRF', INFOT, NOUT, LERR, OK )
00230          INFOT = 6
00231          CALL ZGBTRF( 2, 2, 1, 1, A, 3, IP, INFO )
00232          CALL CHKXER( 'ZGBTRF', INFOT, NOUT, LERR, OK )
00233 *
00234 *        ZGBTF2
00235 *
00236          SRNAMT = 'ZGBTF2'
00237          INFOT = 1
00238          CALL ZGBTF2( -1, 0, 0, 0, A, 1, IP, INFO )
00239          CALL CHKXER( 'ZGBTF2', INFOT, NOUT, LERR, OK )
00240          INFOT = 2
00241          CALL ZGBTF2( 0, -1, 0, 0, A, 1, IP, INFO )
00242          CALL CHKXER( 'ZGBTF2', INFOT, NOUT, LERR, OK )
00243          INFOT = 3
00244          CALL ZGBTF2( 1, 1, -1, 0, A, 1, IP, INFO )
00245          CALL CHKXER( 'ZGBTF2', INFOT, NOUT, LERR, OK )
00246          INFOT = 4
00247          CALL ZGBTF2( 1, 1, 0, -1, A, 1, IP, INFO )
00248          CALL CHKXER( 'ZGBTF2', INFOT, NOUT, LERR, OK )
00249          INFOT = 6
00250          CALL ZGBTF2( 2, 2, 1, 1, A, 3, IP, INFO )
00251          CALL CHKXER( 'ZGBTF2', INFOT, NOUT, LERR, OK )
00252 *
00253 *        ZGBTRS
00254 *
00255          SRNAMT = 'ZGBTRS'
00256          INFOT = 1
00257          CALL ZGBTRS( '/', 0, 0, 0, 1, A, 1, IP, B, 1, INFO )
00258          CALL CHKXER( 'ZGBTRS', INFOT, NOUT, LERR, OK )
00259          INFOT = 2
00260          CALL ZGBTRS( 'N', -1, 0, 0, 1, A, 1, IP, B, 1, INFO )
00261          CALL CHKXER( 'ZGBTRS', INFOT, NOUT, LERR, OK )
00262          INFOT = 3
00263          CALL ZGBTRS( 'N', 1, -1, 0, 1, A, 1, IP, B, 1, INFO )
00264          CALL CHKXER( 'ZGBTRS', INFOT, NOUT, LERR, OK )
00265          INFOT = 4
00266          CALL ZGBTRS( 'N', 1, 0, -1, 1, A, 1, IP, B, 1, INFO )
00267          CALL CHKXER( 'ZGBTRS', INFOT, NOUT, LERR, OK )
00268          INFOT = 5
00269          CALL ZGBTRS( 'N', 1, 0, 0, -1, A, 1, IP, B, 1, INFO )
00270          CALL CHKXER( 'ZGBTRS', INFOT, NOUT, LERR, OK )
00271          INFOT = 7
00272          CALL ZGBTRS( 'N', 2, 1, 1, 1, A, 3, IP, B, 2, INFO )
00273          CALL CHKXER( 'ZGBTRS', INFOT, NOUT, LERR, OK )
00274          INFOT = 10
00275          CALL ZGBTRS( 'N', 2, 0, 0, 1, A, 1, IP, B, 1, INFO )
00276          CALL CHKXER( 'ZGBTRS', INFOT, NOUT, LERR, OK )
00277 *
00278 *        ZGBRFS
00279 *
00280          SRNAMT = 'ZGBRFS'
00281          INFOT = 1
00282          CALL ZGBRFS( '/', 0, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00283      $                R2, W, R, INFO )
00284          CALL CHKXER( 'ZGBRFS', INFOT, NOUT, LERR, OK )
00285          INFOT = 2
00286          CALL ZGBRFS( 'N', -1, 0, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00287      $                R2, W, R, INFO )
00288          CALL CHKXER( 'ZGBRFS', INFOT, NOUT, LERR, OK )
00289          INFOT = 3
00290          CALL ZGBRFS( 'N', 1, -1, 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00291      $                R2, W, R, INFO )
00292          CALL CHKXER( 'ZGBRFS', INFOT, NOUT, LERR, OK )
00293          INFOT = 4
00294          CALL ZGBRFS( 'N', 1, 0, -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00295      $                R2, W, R, INFO )
00296          CALL CHKXER( 'ZGBRFS', INFOT, NOUT, LERR, OK )
00297          INFOT = 5
00298          CALL ZGBRFS( 'N', 1, 0, 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1,
00299      $                R2, W, R, INFO )
00300          CALL CHKXER( 'ZGBRFS', INFOT, NOUT, LERR, OK )
00301          INFOT = 7
00302          CALL ZGBRFS( 'N', 2, 1, 1, 1, A, 2, AF, 4, IP, B, 2, X, 2, R1,
00303      $                R2, W, R, INFO )
00304          CALL CHKXER( 'ZGBRFS', INFOT, NOUT, LERR, OK )
00305          INFOT = 9
00306          CALL ZGBRFS( 'N', 2, 1, 1, 1, A, 3, AF, 3, IP, B, 2, X, 2, R1,
00307      $                R2, W, R, INFO )
00308          CALL CHKXER( 'ZGBRFS', INFOT, NOUT, LERR, OK )
00309          INFOT = 12
00310          CALL ZGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 1, X, 2, R1,
00311      $                R2, W, R, INFO )
00312          CALL CHKXER( 'ZGBRFS', INFOT, NOUT, LERR, OK )
00313          INFOT = 14
00314          CALL ZGBRFS( 'N', 2, 0, 0, 1, A, 1, AF, 1, IP, B, 2, X, 1, R1,
00315      $                R2, W, R, INFO )
00316          CALL CHKXER( 'ZGBRFS', INFOT, NOUT, LERR, OK )
00317 *
00318 *        ZGBCON
00319 *
00320          SRNAMT = 'ZGBCON'
00321          INFOT = 1
00322          CALL ZGBCON( '/', 0, 0, 0, A, 1, IP, ANRM, RCOND, W, R, INFO )
00323          CALL CHKXER( 'ZGBCON', INFOT, NOUT, LERR, OK )
00324          INFOT = 2
00325          CALL ZGBCON( '1', -1, 0, 0, A, 1, IP, ANRM, RCOND, W, R, INFO )
00326          CALL CHKXER( 'ZGBCON', INFOT, NOUT, LERR, OK )
00327          INFOT = 3
00328          CALL ZGBCON( '1', 1, -1, 0, A, 1, IP, ANRM, RCOND, W, R, INFO )
00329          CALL CHKXER( 'ZGBCON', INFOT, NOUT, LERR, OK )
00330          INFOT = 4
00331          CALL ZGBCON( '1', 1, 0, -1, A, 1, IP, ANRM, RCOND, W, R, INFO )
00332          CALL CHKXER( 'ZGBCON', INFOT, NOUT, LERR, OK )
00333          INFOT = 6
00334          CALL ZGBCON( '1', 2, 1, 1, A, 3, IP, ANRM, RCOND, W, R, INFO )
00335          CALL CHKXER( 'ZGBCON', INFOT, NOUT, LERR, OK )
00336 *
00337 *        ZGBEQU
00338 *
00339          SRNAMT = 'ZGBEQU'
00340          INFOT = 1
00341          CALL ZGBEQU( -1, 0, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
00342      $                INFO )
00343          CALL CHKXER( 'ZGBEQU', INFOT, NOUT, LERR, OK )
00344          INFOT = 2
00345          CALL ZGBEQU( 0, -1, 0, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
00346      $                INFO )
00347          CALL CHKXER( 'ZGBEQU', INFOT, NOUT, LERR, OK )
00348          INFOT = 3
00349          CALL ZGBEQU( 1, 1, -1, 0, A, 1, R1, R2, RCOND, CCOND, ANRM,
00350      $                INFO )
00351          CALL CHKXER( 'ZGBEQU', INFOT, NOUT, LERR, OK )
00352          INFOT = 4
00353          CALL ZGBEQU( 1, 1, 0, -1, A, 1, R1, R2, RCOND, CCOND, ANRM,
00354      $                INFO )
00355          CALL CHKXER( 'ZGBEQU', INFOT, NOUT, LERR, OK )
00356          INFOT = 6
00357          CALL ZGBEQU( 2, 2, 1, 1, A, 2, R1, R2, RCOND, CCOND, ANRM,
00358      $                INFO )
00359          CALL CHKXER( 'ZGBEQU', INFOT, NOUT, LERR, OK )
00360       END IF
00361 *
00362 *     Print a summary line.
00363 *
00364       CALL ALAESM( PATH, OK, NOUT )
00365 *
00366       RETURN
00367 *
00368 *     End of ZERRGE
00369 *
00370       END