LAPACK  3.4.0
LAPACK: Linear Algebra PACKage
cchksy.f
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00001 *> \brief \b CCHKSY
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 CCHKSY( DOTYPE, NN, NVAL, NNB, NBVAL, NNS, NSVAL,
00012 *                          THRESH, TSTERR, NMAX, A, AFAC, AINV, B, X,
00013 *                          XACT, WORK, RWORK, IWORK, NOUT )
00014 * 
00015 *       .. Scalar Arguments ..
00016 *       LOGICAL            TSTERR
00017 *       INTEGER            NMAX, NN, NNB, NNS, NOUT
00018 *       REAL               THRESH
00019 *       ..
00020 *       .. Array Arguments ..
00021 *       LOGICAL            DOTYPE( * )
00022 *       INTEGER            IWORK( * ), NBVAL( * ), NSVAL( * ), NVAL( * )
00023 *       REAL               RWORK( * )
00024 *       COMPLEX            A( * ), AFAC( * ), AINV( * ), B( * ),
00025 *      $                   WORK( * ), X( * ), XACT( * )
00026 *       ..
00027 *  
00028 *
00029 *> \par Purpose:
00030 *  =============
00031 *>
00032 *> \verbatim
00033 *>
00034 *> CCHKSY tests CSYTRF, -TRI2, -TRS, -TRS2, -RFS, and -CON.
00035 *> \endverbatim
00036 *
00037 *  Arguments:
00038 *  ==========
00039 *
00040 *> \param[in] DOTYPE
00041 *> \verbatim
00042 *>          DOTYPE is LOGICAL array, dimension (NTYPES)
00043 *>          The matrix types to be used for testing.  Matrices of type j
00044 *>          (for 1 <= j <= NTYPES) are used for testing if DOTYPE(j) =
00045 *>          .TRUE.; if DOTYPE(j) = .FALSE., then type j is not used.
00046 *> \endverbatim
00047 *>
00048 *> \param[in] NN
00049 *> \verbatim
00050 *>          NN is INTEGER
00051 *>          The number of values of N contained in the vector NVAL.
00052 *> \endverbatim
00053 *>
00054 *> \param[in] NVAL
00055 *> \verbatim
00056 *>          NVAL is INTEGER array, dimension (NN)
00057 *>          The values of the matrix dimension N.
00058 *> \endverbatim
00059 *>
00060 *> \param[in] NNB
00061 *> \verbatim
00062 *>          NNB is INTEGER
00063 *>          The number of values of NB contained in the vector NBVAL.
00064 *> \endverbatim
00065 *>
00066 *> \param[in] NBVAL
00067 *> \verbatim
00068 *>          NBVAL is INTEGER array, dimension (NBVAL)
00069 *>          The values of the blocksize NB.
00070 *> \endverbatim
00071 *>
00072 *> \param[in] NNS
00073 *> \verbatim
00074 *>          NNS is INTEGER
00075 *>          The number of values of NRHS contained in the vector NSVAL.
00076 *> \endverbatim
00077 *>
00078 *> \param[in] NSVAL
00079 *> \verbatim
00080 *>          NSVAL is INTEGER array, dimension (NNS)
00081 *>          The values of the number of right hand sides NRHS.
00082 *> \endverbatim
00083 *>
00084 *> \param[in] THRESH
00085 *> \verbatim
00086 *>          THRESH is REAL
00087 *>          The threshold value for the test ratios.  A result is
00088 *>          included in the output file if RESULT >= THRESH.  To have
00089 *>          every test ratio printed, use THRESH = 0.
00090 *> \endverbatim
00091 *>
00092 *> \param[in] TSTERR
00093 *> \verbatim
00094 *>          TSTERR is LOGICAL
00095 *>          Flag that indicates whether error exits are to be tested.
00096 *> \endverbatim
00097 *>
00098 *> \param[in] NMAX
00099 *> \verbatim
00100 *>          NMAX is INTEGER
00101 *>          The maximum value permitted for N, used in dimensioning the
00102 *>          work arrays.
00103 *> \endverbatim
00104 *>
00105 *> \param[out] A
00106 *> \verbatim
00107 *>          A is COMPLEX array, dimension (NMAX*NMAX)
00108 *> \endverbatim
00109 *>
00110 *> \param[out] AFAC
00111 *> \verbatim
00112 *>          AFAC is COMPLEX array, dimension (NMAX*NMAX)
00113 *> \endverbatim
00114 *>
00115 *> \param[out] AINV
00116 *> \verbatim
00117 *>          AINV is COMPLEX array, dimension (NMAX*NMAX)
00118 *> \endverbatim
00119 *>
00120 *> \param[out] B
00121 *> \verbatim
00122 *>          B is COMPLEX array, dimension (NMAX*NSMAX)
00123 *>          where NSMAX is the largest entry in NSVAL.
00124 *> \endverbatim
00125 *>
00126 *> \param[out] X
00127 *> \verbatim
00128 *>          X is COMPLEX array, dimension (NMAX*NSMAX)
00129 *> \endverbatim
00130 *>
00131 *> \param[out] XACT
00132 *> \verbatim
00133 *>          XACT is COMPLEX array, dimension (NMAX*NSMAX)
00134 *> \endverbatim
00135 *>
00136 *> \param[out] WORK
00137 *> \verbatim
00138 *>          WORK is COMPLEX array, dimension
00139 *>                      (NMAX*max(2,NSMAX))
00140 *> \endverbatim
00141 *>
00142 *> \param[out] RWORK
00143 *> \verbatim
00144 *>          RWORK is REAL array,
00145 *>                                 dimension (NMAX+2*NSMAX)
00146 *> \endverbatim
00147 *>
00148 *> \param[out] IWORK
00149 *> \verbatim
00150 *>          IWORK is INTEGER array, dimension (NMAX)
00151 *> \endverbatim
00152 *>
00153 *> \param[in] NOUT
00154 *> \verbatim
00155 *>          NOUT is INTEGER
00156 *>          The unit number for output.
00157 *> \endverbatim
00158 *
00159 *  Authors:
00160 *  ========
00161 *
00162 *> \author Univ. of Tennessee 
00163 *> \author Univ. of California Berkeley 
00164 *> \author Univ. of Colorado Denver 
00165 *> \author NAG Ltd. 
00166 *
00167 *> \date November 2011
00168 *
00169 *> \ingroup complex_lin
00170 *
00171 *  =====================================================================
00172       SUBROUTINE CCHKSY( DOTYPE, NN, NVAL, NNB, NBVAL, NNS, NSVAL,
00173      $                   THRESH, TSTERR, NMAX, A, AFAC, AINV, B, X,
00174      $                   XACT, WORK, RWORK, IWORK, NOUT )
00175 *
00176 *  -- LAPACK test routine (version 3.4.0) --
00177 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
00178 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
00179 *     November 2011
00180 *
00181 *     .. Scalar Arguments ..
00182       LOGICAL            TSTERR
00183       INTEGER            NMAX, NN, NNB, NNS, NOUT
00184       REAL               THRESH
00185 *     ..
00186 *     .. Array Arguments ..
00187       LOGICAL            DOTYPE( * )
00188       INTEGER            IWORK( * ), NBVAL( * ), NSVAL( * ), NVAL( * )
00189       REAL               RWORK( * )
00190       COMPLEX            A( * ), AFAC( * ), AINV( * ), B( * ),
00191      $                   WORK( * ), X( * ), XACT( * )
00192 *     ..
00193 *
00194 *  =====================================================================
00195 *
00196 *     .. Parameters ..
00197       REAL               ZERO
00198       PARAMETER          ( ZERO = 0.0E+0 )
00199       INTEGER            NTYPES
00200       PARAMETER          ( NTYPES = 11 )
00201       INTEGER            NTESTS
00202       PARAMETER          ( NTESTS = 9 )
00203 *     ..
00204 *     .. Local Scalars ..
00205       LOGICAL            TRFCON, ZEROT
00206       CHARACTER          DIST, TYPE, UPLO, XTYPE
00207       CHARACTER*3        PATH
00208       INTEGER            I, I1, I2, IMAT, IN, INB, INFO, IOFF, IRHS,
00209      $                   IUPLO, IZERO, J, K, KL, KU, LDA, LWORK, MODE,
00210      $                   N, NB, NERRS, NFAIL, NIMAT, NRHS, NRUN, NT
00211       REAL               ANORM, CNDNUM, RCOND, RCONDC
00212 *     ..
00213 *     .. Local Arrays ..
00214       CHARACTER          UPLOS( 2 )
00215       INTEGER            ISEED( 4 ), ISEEDY( 4 )
00216       REAL               RESULT( NTESTS )
00217 *     ..
00218 *     .. External Functions ..
00219       REAL               CLANSY, SGET06
00220       EXTERNAL           CLANSY, SGET06
00221 *     ..
00222 *     .. External Subroutines ..
00223       EXTERNAL           ALAERH, ALAHD, ALASUM, CERRSY, CGET04, CLACPY,
00224      $                   CLARHS, CLATB4, CLATMS, CLATSY, CPOT05, CSYCON,
00225      $                   CSYRFS, CSYT01, CSYT02, CSYT03, CSYTRF,
00226      $                   CSYTRI2, CSYTRS, XLAENV
00227 *     ..
00228 *     .. Intrinsic Functions ..
00229       INTRINSIC          MAX, MIN
00230 *     ..
00231 *     .. Scalars in Common ..
00232       LOGICAL            LERR, OK
00233       CHARACTER*32       SRNAMT
00234       INTEGER            INFOT, NUNIT
00235 *     ..
00236 *     .. Common blocks ..
00237       COMMON             / INFOC / INFOT, NUNIT, OK, LERR
00238       COMMON             / SRNAMC / SRNAMT
00239 *     ..
00240 *     .. Data statements ..
00241       DATA               ISEEDY / 1988, 1989, 1990, 1991 /
00242       DATA               UPLOS / 'U', 'L' /
00243 *     ..
00244 *     .. Executable Statements ..
00245 *
00246 *     Initialize constants and the random number seed.
00247 *
00248       PATH( 1: 1 ) = 'Complex precision'
00249       PATH( 2: 3 ) = 'SY'
00250       NRUN = 0
00251       NFAIL = 0
00252       NERRS = 0
00253       DO 10 I = 1, 4
00254          ISEED( I ) = ISEEDY( I )
00255    10 CONTINUE
00256 *
00257 *     Test the error exits
00258 *
00259       IF( TSTERR )
00260      $   CALL CERRSY( PATH, NOUT )
00261       INFOT = 0
00262 *
00263 *     Do for each value of N in NVAL
00264 *
00265       DO 180 IN = 1, NN
00266          N = NVAL( IN )
00267          LDA = MAX( N, 1 )
00268          XTYPE = 'N'
00269          NIMAT = NTYPES
00270          IF( N.LE.0 )
00271      $      NIMAT = 1
00272 *
00273          IZERO = 0
00274          DO 170 IMAT = 1, NIMAT
00275 *
00276 *           Do the tests only if DOTYPE( IMAT ) is true.
00277 *
00278             IF( .NOT.DOTYPE( IMAT ) )
00279      $         GO TO 170
00280 *
00281 *           Skip types 3, 4, 5, or 6 if the matrix size is too small.
00282 *
00283             ZEROT = IMAT.GE.3 .AND. IMAT.LE.6
00284             IF( ZEROT .AND. N.LT.IMAT-2 )
00285      $         GO TO 170
00286 *
00287 *           Do first for UPLO = 'U', then for UPLO = 'L'
00288 *
00289             DO 160 IUPLO = 1, 2
00290                UPLO = UPLOS( IUPLO )
00291 *
00292                IF( IMAT.NE.NTYPES ) THEN
00293 *
00294 *                 Set up parameters with CLATB4 and generate a test
00295 *                 matrix with CLATMS.
00296 *
00297                   CALL CLATB4( PATH, IMAT, N, N, TYPE, KL, KU, ANORM,
00298      $                         MODE, CNDNUM, DIST )
00299 *
00300                   SRNAMT = 'CLATMS'
00301                   CALL CLATMS( N, N, DIST, ISEED, TYPE, RWORK, MODE,
00302      $                         CNDNUM, ANORM, KL, KU, 'N', A, LDA, WORK,
00303      $                         INFO )
00304 *
00305 *                 Check error code from CLATMS.
00306 *
00307                   IF( INFO.NE.0 ) THEN
00308                      CALL ALAERH( PATH, 'CLATMS', INFO, 0, UPLO, N, N,
00309      $                            -1, -1, -1, IMAT, NFAIL, NERRS, NOUT )
00310                      GO TO 160
00311                   END IF
00312 *
00313 *                 For types 3-6, zero one or more rows and columns of
00314 *                 the matrix to test that INFO is returned correctly.
00315 *
00316                   IF( ZEROT ) THEN
00317                      IF( IMAT.EQ.3 ) THEN
00318                         IZERO = 1
00319                      ELSE IF( IMAT.EQ.4 ) THEN
00320                         IZERO = N
00321                      ELSE
00322                         IZERO = N / 2 + 1
00323                      END IF
00324 *
00325                      IF( IMAT.LT.6 ) THEN
00326 *
00327 *                       Set row and column IZERO to zero.
00328 *
00329                         IF( IUPLO.EQ.1 ) THEN
00330                            IOFF = ( IZERO-1 )*LDA
00331                            DO 20 I = 1, IZERO - 1
00332                               A( IOFF+I ) = ZERO
00333    20                      CONTINUE
00334                            IOFF = IOFF + IZERO
00335                            DO 30 I = IZERO, N
00336                               A( IOFF ) = ZERO
00337                               IOFF = IOFF + LDA
00338    30                      CONTINUE
00339                         ELSE
00340                            IOFF = IZERO
00341                            DO 40 I = 1, IZERO - 1
00342                               A( IOFF ) = ZERO
00343                               IOFF = IOFF + LDA
00344    40                      CONTINUE
00345                            IOFF = IOFF - IZERO
00346                            DO 50 I = IZERO, N
00347                               A( IOFF+I ) = ZERO
00348    50                      CONTINUE
00349                         END IF
00350                      ELSE
00351                         IF( IUPLO.EQ.1 ) THEN
00352 *
00353 *                          Set the first IZERO rows to zero.
00354 *
00355                            IOFF = 0
00356                            DO 70 J = 1, N
00357                               I2 = MIN( J, IZERO )
00358                               DO 60 I = 1, I2
00359                                  A( IOFF+I ) = ZERO
00360    60                         CONTINUE
00361                               IOFF = IOFF + LDA
00362    70                      CONTINUE
00363                         ELSE
00364 *
00365 *                          Set the last IZERO rows to zero.
00366 *
00367                            IOFF = 0
00368                            DO 90 J = 1, N
00369                               I1 = MAX( J, IZERO )
00370                               DO 80 I = I1, N
00371                                  A( IOFF+I ) = ZERO
00372    80                         CONTINUE
00373                               IOFF = IOFF + LDA
00374    90                      CONTINUE
00375                         END IF
00376                      END IF
00377                   ELSE
00378                      IZERO = 0
00379                   END IF
00380                ELSE
00381 *
00382 *                 Use a special block diagonal matrix to test alternate
00383 *                 code for the 2 x 2 blocks.
00384 *
00385                   CALL CLATSY( UPLO, N, A, LDA, ISEED )
00386                END IF
00387 *
00388 *              Do for each value of NB in NBVAL
00389 *
00390                DO 150 INB = 1, NNB
00391                   NB = NBVAL( INB )
00392                   CALL XLAENV( 1, NB )
00393 *
00394 *                 Compute the L*D*L' or U*D*U' factorization of the
00395 *                 matrix.
00396 *
00397                   CALL CLACPY( UPLO, N, N, A, LDA, AFAC, LDA )
00398                   LWORK = MAX( 2, NB )*LDA
00399                   SRNAMT = 'CSYTRF'
00400                   CALL CSYTRF( UPLO, N, AFAC, LDA, IWORK, AINV, LWORK,
00401      $                         INFO )
00402 *
00403 *                 Adjust the expected value of INFO to account for
00404 *                 pivoting.
00405 *
00406                   K = IZERO
00407                   IF( K.GT.0 ) THEN
00408   100                CONTINUE
00409                      IF( IWORK( K ).LT.0 ) THEN
00410                         IF( IWORK( K ).NE.-K ) THEN
00411                            K = -IWORK( K )
00412                            GO TO 100
00413                         END IF
00414                      ELSE IF( IWORK( K ).NE.K ) THEN
00415                         K = IWORK( K )
00416                         GO TO 100
00417                      END IF
00418                   END IF
00419 *
00420 *                 Check error code from CSYTRF.
00421 *
00422                   IF( INFO.NE.K )
00423      $               CALL ALAERH( PATH, 'CSYTRF', INFO, K, UPLO, N, N,
00424      $                            -1, -1, NB, IMAT, NFAIL, NERRS, NOUT )
00425                   IF( INFO.NE.0 ) THEN
00426                      TRFCON = .TRUE.
00427                   ELSE
00428                      TRFCON = .FALSE.
00429                   END IF
00430 *
00431 *+    TEST 1
00432 *                 Reconstruct matrix from factors and compute residual.
00433 *
00434                   CALL CSYT01( UPLO, N, A, LDA, AFAC, LDA, IWORK, AINV,
00435      $                         LDA, RWORK, RESULT( 1 ) )
00436                   NT = 1
00437 *
00438 *+    TEST 2
00439 *                 Form the inverse and compute the residual.
00440 *
00441                   IF( INB.EQ.1 .AND. .NOT.TRFCON ) THEN
00442                      CALL CLACPY( UPLO, N, N, AFAC, LDA, AINV, LDA )
00443                      SRNAMT = 'CSYTRI2'
00444                      LWORK = (N+NB+1)*(NB+3)
00445                      CALL CSYTRI2( UPLO, N, AINV, LDA, IWORK, WORK,
00446      $                            LWORK, INFO )
00447 *
00448 *                 Check error code from CSYTRI.
00449 *
00450                      IF( INFO.NE.0 )
00451      $                  CALL ALAERH( PATH, 'CSYTRI', INFO, 0, UPLO, N,
00452      $                               N, -1, -1, -1, IMAT, NFAIL, NERRS,
00453      $                               NOUT )
00454 *
00455                      CALL CSYT03( UPLO, N, A, LDA, AINV, LDA, WORK, LDA,
00456      $                            RWORK, RCONDC, RESULT( 2 ) )
00457                      NT = 2
00458                   END IF
00459 *
00460 *                 Print information about the tests that did not pass
00461 *                 the threshold.
00462 *
00463                   DO 110 K = 1, NT
00464                      IF( RESULT( K ).GE.THRESH ) THEN
00465                         IF( NFAIL.EQ.0 .AND. NERRS.EQ.0 )
00466      $                     CALL ALAHD( NOUT, PATH )
00467                         WRITE( NOUT, FMT = 9999 )UPLO, N, NB, IMAT, K,
00468      $                     RESULT( K )
00469                         NFAIL = NFAIL + 1
00470                      END IF
00471   110             CONTINUE
00472                   NRUN = NRUN + NT
00473 *
00474 *                 Skip the other tests if this is not the first block
00475 *                 size.
00476 *
00477                   IF( INB.GT.1 )
00478      $               GO TO 150
00479 *
00480 *                 Do only the condition estimate if INFO is not 0.
00481 *
00482                   IF( TRFCON ) THEN
00483                      RCONDC = ZERO
00484                      GO TO 140
00485                   END IF
00486 *
00487                   DO 130 IRHS = 1, NNS
00488                      NRHS = NSVAL( IRHS )
00489 *
00490 *+    TEST 3
00491 *                 Solve and compute residual for  A * X = B.
00492 *
00493                      SRNAMT = 'CLARHS'
00494                      CALL CLARHS( PATH, XTYPE, UPLO, ' ', N, N, KL, KU,
00495      $                            NRHS, A, LDA, XACT, LDA, B, LDA,
00496      $                            ISEED, INFO )
00497                      CALL CLACPY( 'Full', N, NRHS, B, LDA, X, LDA )
00498 *
00499                      SRNAMT = 'CSYTRS'
00500                      CALL CSYTRS( UPLO, N, NRHS, AFAC, LDA, IWORK, X,
00501      $                            LDA, INFO )
00502 *
00503 *                 Check error code from CSYTRS.
00504 *
00505                      IF( INFO.NE.0 )
00506      $                  CALL ALAERH( PATH, 'CSYTRS', INFO, 0, UPLO, N,
00507      $                               N, -1, -1, NRHS, IMAT, NFAIL,
00508      $                               NERRS, NOUT )
00509 *
00510                      CALL CLACPY( 'Full', N, NRHS, B, LDA, WORK, LDA )
00511                      CALL CSYT02( UPLO, N, NRHS, A, LDA, X, LDA, WORK,
00512      $                            LDA, RWORK, RESULT( 3 ) )
00513 *
00514 *+    TEST 4
00515 *                 Solve and compute residual for  A * X = B.
00516 *
00517                      SRNAMT = 'CLARHS'
00518                      CALL CLARHS( PATH, XTYPE, UPLO, ' ', N, N, KL, KU,
00519      $                            NRHS, A, LDA, XACT, LDA, B, LDA,
00520      $                            ISEED, INFO )
00521                      CALL CLACPY( 'Full', N, NRHS, B, LDA, X, LDA )
00522 *
00523                      SRNAMT = 'CSYTRS2'
00524                      CALL CSYTRS2( UPLO, N, NRHS, AFAC, LDA, IWORK, X,
00525      $                            LDA, WORK, INFO )
00526 *
00527 *                 Check error code from CSYTRS2.
00528 *
00529                      IF( INFO.NE.0 )
00530      $                  CALL ALAERH( PATH, 'CSYTRS2', INFO, 0, UPLO, N,
00531      $                               N, -1, -1, NRHS, IMAT, NFAIL,
00532      $                               NERRS, NOUT )
00533 *
00534                      CALL CLACPY( 'Full', N, NRHS, B, LDA, WORK, LDA )
00535                      CALL CSYT02( UPLO, N, NRHS, A, LDA, X, LDA, WORK,
00536      $                            LDA, RWORK, RESULT( 4 ) )
00537 *
00538 *+    TEST 5
00539 *                 Check solution from generated exact solution.
00540 *
00541                      CALL CGET04( N, NRHS, X, LDA, XACT, LDA, RCONDC,
00542      $                            RESULT( 5 ) )
00543 *
00544 *+    TESTS 6, 7, and 8
00545 *                 Use iterative refinement to improve the solution.
00546 *
00547                      SRNAMT = 'CSYRFS'
00548                      CALL CSYRFS( UPLO, N, NRHS, A, LDA, AFAC, LDA,
00549      $                            IWORK, B, LDA, X, LDA, RWORK,
00550      $                            RWORK( NRHS+1 ), WORK,
00551      $                            RWORK( 2*NRHS+1 ), INFO )
00552 *
00553 *                 Check error code from CSYRFS.
00554 *
00555                      IF( INFO.NE.0 )
00556      $                  CALL ALAERH( PATH, 'CSYRFS', INFO, 0, UPLO, N,
00557      $                               N, -1, -1, NRHS, IMAT, NFAIL,
00558      $                               NERRS, NOUT )
00559 *
00560                      CALL CGET04( N, NRHS, X, LDA, XACT, LDA, RCONDC,
00561      $                            RESULT( 6 ) )
00562                      CALL CPOT05( UPLO, N, NRHS, A, LDA, B, LDA, X, LDA,
00563      $                            XACT, LDA, RWORK, RWORK( NRHS+1 ),
00564      $                            RESULT( 7 ) )
00565 *
00566 *                    Print information about the tests that did not pass
00567 *                    the threshold.
00568 *
00569                      DO 120 K = 3, 8
00570                         IF( RESULT( K ).GE.THRESH ) THEN
00571                            IF( NFAIL.EQ.0 .AND. NERRS.EQ.0 )
00572      $                        CALL ALAHD( NOUT, PATH )
00573                            WRITE( NOUT, FMT = 9998 )UPLO, N, NRHS,
00574      $                        IMAT, K, RESULT( K )
00575                            NFAIL = NFAIL + 1
00576                         END IF
00577   120                CONTINUE
00578                      NRUN = NRUN + 5
00579   130             CONTINUE
00580 *
00581 *+    TEST 9
00582 *                 Get an estimate of RCOND = 1/CNDNUM.
00583 *
00584   140             CONTINUE
00585                   ANORM = CLANSY( '1', UPLO, N, A, LDA, RWORK )
00586                   SRNAMT = 'CSYCON'
00587                   CALL CSYCON( UPLO, N, AFAC, LDA, IWORK, ANORM, RCOND,
00588      $                         WORK, INFO )
00589 *
00590 *                 Check error code from CSYCON.
00591 *
00592                   IF( INFO.NE.0 )
00593      $               CALL ALAERH( PATH, 'CSYCON', INFO, 0, UPLO, N, N,
00594      $                            -1, -1, -1, IMAT, NFAIL, NERRS, NOUT )
00595 *
00596                   RESULT( 9 ) = SGET06( RCOND, RCONDC )
00597 *
00598 *                 Print information about the tests that did not pass
00599 *                 the threshold.
00600 *
00601                   IF( RESULT( 9 ).GE.THRESH ) THEN
00602                      IF( NFAIL.EQ.0 .AND. NERRS.EQ.0 )
00603      $                  CALL ALAHD( NOUT, PATH )
00604                      WRITE( NOUT, FMT = 9997 )UPLO, N, IMAT, 9,
00605      $                  RESULT( 9 )
00606                      NFAIL = NFAIL + 1
00607                   END IF
00608                   NRUN = NRUN + 1
00609   150          CONTINUE
00610   160       CONTINUE
00611   170    CONTINUE
00612   180 CONTINUE
00613 *
00614 *     Print a summary of the results.
00615 *
00616       CALL ALASUM( PATH, NOUT, NFAIL, NRUN, NERRS )
00617 *
00618  9999 FORMAT( ' UPLO = ''', A1, ''', N =', I5, ', NB =', I4, ', type ',
00619      $      I2, ', test ', I2, ', ratio =', G12.5 )
00620  9998 FORMAT( ' UPLO = ''', A1, ''', N =', I5, ', NRHS=', I3, ', type ',
00621      $      I2, ', test(', I2, ') =', G12.5 )
00622  9997 FORMAT( ' UPLO = ''', A1, ''', N =', I5, ',', 10X, ' type ', I2,
00623      $      ', test(', I2, ') =', G12.5 )
00624       RETURN
00625 *
00626 *     End of CCHKSY
00627 *
00628       END
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