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00001 *> \brief \b ZERRSY
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 ZERRSY( 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 *> ZERRSY tests the error exits for the COMPLEX*16 routines
00025 *> for symmetric indefinite 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 complex16_lin
00054 *
00055 *  =====================================================================
00056       SUBROUTINE ZERRSY( 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       DOUBLE PRECISION   ANRM, RCOND
00078 *     ..
00079 *     .. Local Arrays ..
00080       INTEGER            IP( NMAX )
00081       DOUBLE PRECISION   R( NMAX ), R1( NMAX ), R2( NMAX )
00082       COMPLEX*16         A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
00083      $                   W( 2*NMAX ), X( NMAX )
00084 *     ..
00085 *     .. External Functions ..
00086       LOGICAL            LSAMEN
00087       EXTERNAL           LSAMEN
00088 *     ..
00089 *     .. External Subroutines ..
00090       EXTERNAL           ALAESM, CHKXER, ZSPCON, ZSPRFS, ZSPTRF, ZSPTRI,
00091      $                   ZSPTRS, ZSYCON, ZSYRFS, ZSYTF2, ZSYTRF, ZSYTRI,
00092      $                   ZSYTRI2, ZSYTRS
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          DBLE, DCMPLX
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 ) = DCMPLX( 1.D0 / DBLE( I+J ),
00117      $                  -1.D0 / DBLE( I+J ) )
00118             AF( I, J ) = DCMPLX( 1.D0 / DBLE( I+J ),
00119      $                   -1.D0 / DBLE( I+J ) )
00120    10    CONTINUE
00121          B( J ) = 0.D0
00122          R1( J ) = 0.D0
00123          R2( J ) = 0.D0
00124          W( J ) = 0.D0
00125          X( J ) = 0.D0
00126          IP( J ) = J
00127    20 CONTINUE
00128       ANRM = 1.0D0
00129       OK = .TRUE.
00130 *
00131 *     Test error exits of the routines that use the diagonal pivoting
00132 *     factorization of a symmetric indefinite matrix.
00133 *
00134       IF( LSAMEN( 2, C2, 'SY' ) ) THEN
00135 *
00136 *        ZSYTRF
00137 *
00138          SRNAMT = 'ZSYTRF'
00139          INFOT = 1
00140          CALL ZSYTRF( '/', 0, A, 1, IP, W, 1, INFO )
00141          CALL CHKXER( 'ZSYTRF', INFOT, NOUT, LERR, OK )
00142          INFOT = 2
00143          CALL ZSYTRF( 'U', -1, A, 1, IP, W, 1, INFO )
00144          CALL CHKXER( 'ZSYTRF', INFOT, NOUT, LERR, OK )
00145          INFOT = 4
00146          CALL ZSYTRF( 'U', 2, A, 1, IP, W, 4, INFO )
00147          CALL CHKXER( 'ZSYTRF', INFOT, NOUT, LERR, OK )
00148 *
00149 *        ZSYTF2
00150 *
00151          SRNAMT = 'ZSYTF2'
00152          INFOT = 1
00153          CALL ZSYTF2( '/', 0, A, 1, IP, INFO )
00154          CALL CHKXER( 'ZSYTF2', INFOT, NOUT, LERR, OK )
00155          INFOT = 2
00156          CALL ZSYTF2( 'U', -1, A, 1, IP, INFO )
00157          CALL CHKXER( 'ZSYTF2', INFOT, NOUT, LERR, OK )
00158          INFOT = 4
00159          CALL ZSYTF2( 'U', 2, A, 1, IP, INFO )
00160          CALL CHKXER( 'ZSYTF2', INFOT, NOUT, LERR, OK )
00161 *
00162 *        ZSYTRI
00163 *
00164          SRNAMT = 'ZSYTRI'
00165          INFOT = 1
00166          CALL ZSYTRI( '/', 0, A, 1, IP, W, INFO )
00167          CALL CHKXER( 'ZSYTRI', INFOT, NOUT, LERR, OK )
00168          INFOT = 2
00169          CALL ZSYTRI( 'U', -1, A, 1, IP, W, INFO )
00170          CALL CHKXER( 'ZSYTRI', INFOT, NOUT, LERR, OK )
00171          INFOT = 4
00172          CALL ZSYTRI( 'U', 2, A, 1, IP, W, INFO )
00173          CALL CHKXER( 'ZSYTRI', INFOT, NOUT, LERR, OK )
00174 *
00175 *        ZSYTRI2
00176 *
00177          SRNAMT = 'ZSYTRI2'
00178          INFOT = 1
00179          CALL ZSYTRI2( '/', 0, A, 1, IP, W, 1, INFO )
00180          CALL CHKXER( 'ZSYTRI2', INFOT, NOUT, LERR, OK )
00181          INFOT = 2
00182          CALL ZSYTRI2( 'U', -1, A, 1, IP, W, 1, INFO )
00183          CALL CHKXER( 'ZSYTRI2', INFOT, NOUT, LERR, OK )
00184          INFOT = 4
00185          CALL ZSYTRI2( 'U', 2, A, 1, IP, W, 1, INFO )
00186          CALL CHKXER( 'ZSYTRI2', INFOT, NOUT, LERR, OK )
00187 *
00188 *        ZSYTRS
00189 *
00190          SRNAMT = 'ZSYTRS'
00191          INFOT = 1
00192          CALL ZSYTRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
00193          CALL CHKXER( 'ZSYTRS', INFOT, NOUT, LERR, OK )
00194          INFOT = 2
00195          CALL ZSYTRS( 'U', -1, 0, A, 1, IP, B, 1, INFO )
00196          CALL CHKXER( 'ZSYTRS', INFOT, NOUT, LERR, OK )
00197          INFOT = 3
00198          CALL ZSYTRS( 'U', 0, -1, A, 1, IP, B, 1, INFO )
00199          CALL CHKXER( 'ZSYTRS', INFOT, NOUT, LERR, OK )
00200          INFOT = 5
00201          CALL ZSYTRS( 'U', 2, 1, A, 1, IP, B, 2, INFO )
00202          CALL CHKXER( 'ZSYTRS', INFOT, NOUT, LERR, OK )
00203          INFOT = 8
00204          CALL ZSYTRS( 'U', 2, 1, A, 2, IP, B, 1, INFO )
00205          CALL CHKXER( 'ZSYTRS', INFOT, NOUT, LERR, OK )
00206 *
00207 *        ZSYRFS
00208 *
00209          SRNAMT = 'ZSYRFS'
00210          INFOT = 1
00211          CALL ZSYRFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
00212      $                R, INFO )
00213          CALL CHKXER( 'ZSYRFS', INFOT, NOUT, LERR, OK )
00214          INFOT = 2
00215          CALL ZSYRFS( 'U', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00216      $                W, R, INFO )
00217          CALL CHKXER( 'ZSYRFS', INFOT, NOUT, LERR, OK )
00218          INFOT = 3
00219          CALL ZSYRFS( 'U', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00220      $                W, R, INFO )
00221          CALL CHKXER( 'ZSYRFS', INFOT, NOUT, LERR, OK )
00222          INFOT = 5
00223          CALL ZSYRFS( 'U', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
00224      $                R, INFO )
00225          CALL CHKXER( 'ZSYRFS', INFOT, NOUT, LERR, OK )
00226          INFOT = 7
00227          CALL ZSYRFS( 'U', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
00228      $                R, INFO )
00229          CALL CHKXER( 'ZSYRFS', INFOT, NOUT, LERR, OK )
00230          INFOT = 10
00231          CALL ZSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
00232      $                R, INFO )
00233          CALL CHKXER( 'ZSYRFS', INFOT, NOUT, LERR, OK )
00234          INFOT = 12
00235          CALL ZSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
00236      $                R, INFO )
00237          CALL CHKXER( 'ZSYRFS', INFOT, NOUT, LERR, OK )
00238 *
00239 *        ZSYCON
00240 *
00241          SRNAMT = 'ZSYCON'
00242          INFOT = 1
00243          CALL ZSYCON( '/', 0, A, 1, IP, ANRM, RCOND, W, INFO )
00244          CALL CHKXER( 'ZSYCON', INFOT, NOUT, LERR, OK )
00245          INFOT = 2
00246          CALL ZSYCON( 'U', -1, A, 1, IP, ANRM, RCOND, W, INFO )
00247          CALL CHKXER( 'ZSYCON', INFOT, NOUT, LERR, OK )
00248          INFOT = 4
00249          CALL ZSYCON( 'U', 2, A, 1, IP, ANRM, RCOND, W, INFO )
00250          CALL CHKXER( 'ZSYCON', INFOT, NOUT, LERR, OK )
00251          INFOT = 6
00252          CALL ZSYCON( 'U', 1, A, 1, IP, -ANRM, RCOND, W, INFO )
00253          CALL CHKXER( 'ZSYCON', INFOT, NOUT, LERR, OK )
00254 *
00255 *     Test error exits of the routines that use the diagonal pivoting
00256 *     factorization of a symmetric indefinite packed matrix.
00257 *
00258       ELSE IF( LSAMEN( 2, C2, 'SP' ) ) THEN
00259 *
00260 *        ZSPTRF
00261 *
00262          SRNAMT = 'ZSPTRF'
00263          INFOT = 1
00264          CALL ZSPTRF( '/', 0, A, IP, INFO )
00265          CALL CHKXER( 'ZSPTRF', INFOT, NOUT, LERR, OK )
00266          INFOT = 2
00267          CALL ZSPTRF( 'U', -1, A, IP, INFO )
00268          CALL CHKXER( 'ZSPTRF', INFOT, NOUT, LERR, OK )
00269 *
00270 *        ZSPTRI
00271 *
00272          SRNAMT = 'ZSPTRI'
00273          INFOT = 1
00274          CALL ZSPTRI( '/', 0, A, IP, W, INFO )
00275          CALL CHKXER( 'ZSPTRI', INFOT, NOUT, LERR, OK )
00276          INFOT = 2
00277          CALL ZSPTRI( 'U', -1, A, IP, W, INFO )
00278          CALL CHKXER( 'ZSPTRI', INFOT, NOUT, LERR, OK )
00279 *
00280 *        ZSPTRS
00281 *
00282          SRNAMT = 'ZSPTRS'
00283          INFOT = 1
00284          CALL ZSPTRS( '/', 0, 0, A, IP, B, 1, INFO )
00285          CALL CHKXER( 'ZSPTRS', INFOT, NOUT, LERR, OK )
00286          INFOT = 2
00287          CALL ZSPTRS( 'U', -1, 0, A, IP, B, 1, INFO )
00288          CALL CHKXER( 'ZSPTRS', INFOT, NOUT, LERR, OK )
00289          INFOT = 3
00290          CALL ZSPTRS( 'U', 0, -1, A, IP, B, 1, INFO )
00291          CALL CHKXER( 'ZSPTRS', INFOT, NOUT, LERR, OK )
00292          INFOT = 7
00293          CALL ZSPTRS( 'U', 2, 1, A, IP, B, 1, INFO )
00294          CALL CHKXER( 'ZSPTRS', INFOT, NOUT, LERR, OK )
00295 *
00296 *        ZSPRFS
00297 *
00298          SRNAMT = 'ZSPRFS'
00299          INFOT = 1
00300          CALL ZSPRFS( '/', 0, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00301      $                INFO )
00302          CALL CHKXER( 'ZSPRFS', INFOT, NOUT, LERR, OK )
00303          INFOT = 2
00304          CALL ZSPRFS( 'U', -1, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00305      $                INFO )
00306          CALL CHKXER( 'ZSPRFS', INFOT, NOUT, LERR, OK )
00307          INFOT = 3
00308          CALL ZSPRFS( 'U', 0, -1, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00309      $                INFO )
00310          CALL CHKXER( 'ZSPRFS', INFOT, NOUT, LERR, OK )
00311          INFOT = 8
00312          CALL ZSPRFS( 'U', 2, 1, A, AF, IP, B, 1, X, 2, R1, R2, W, R,
00313      $                INFO )
00314          CALL CHKXER( 'ZSPRFS', INFOT, NOUT, LERR, OK )
00315          INFOT = 10
00316          CALL ZSPRFS( 'U', 2, 1, A, AF, IP, B, 2, X, 1, R1, R2, W, R,
00317      $                INFO )
00318          CALL CHKXER( 'ZSPRFS', INFOT, NOUT, LERR, OK )
00319 *
00320 *        ZSPCON
00321 *
00322          SRNAMT = 'ZSPCON'
00323          INFOT = 1
00324          CALL ZSPCON( '/', 0, A, IP, ANRM, RCOND, W, INFO )
00325          CALL CHKXER( 'ZSPCON', INFOT, NOUT, LERR, OK )
00326          INFOT = 2
00327          CALL ZSPCON( 'U', -1, A, IP, ANRM, RCOND, W, INFO )
00328          CALL CHKXER( 'ZSPCON', INFOT, NOUT, LERR, OK )
00329          INFOT = 5
00330          CALL ZSPCON( 'U', 1, A, IP, -ANRM, RCOND, W, INFO )
00331          CALL CHKXER( 'ZSPCON', INFOT, NOUT, LERR, OK )
00332       END IF
00333 *
00334 *     Print a summary line.
00335 *
00336       CALL ALAESM( PATH, OK, NOUT )
00337 *
00338       RETURN
00339 *
00340 *     End of ZERRSY
00341 *
00342       END