LAPACK  3.4.1
LAPACK: Linear Algebra PACKage
cerrsy.f
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00001 *> \brief \b CERRSY
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 CERRSY( 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 *> CERRSY tests the error exits for the COMPLEX 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 April 2012
00052 *
00053 *> \ingroup complex_lin
00054 *
00055 *  =====================================================================
00056       SUBROUTINE CERRSY( PATH, NUNIT )
00057 *
00058 *  -- LAPACK test routine (version 3.4.1) --
00059 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
00060 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
00061 *     April 2012
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       REAL               ANRM, RCOND
00078 *     ..
00079 *     .. Local Arrays ..
00080       INTEGER            IP( NMAX )
00081       REAL               R( NMAX ), R1( NMAX ), R2( NMAX )
00082       COMPLEX            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, CSPCON, CSPRFS, CSPTRF, CSPTRI,
00091      $                   CSPTRS, CSYCON, CSYRFS, CSYTF2, CSYTRF, CSYTRI,
00092      $                   CSYTRI2, CSYTRS
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          CMPLX, REAL
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 ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
00117             AF( I, J ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
00118    10    CONTINUE
00119          B( J ) = 0.
00120          R1( J ) = 0.
00121          R2( J ) = 0.
00122          W( J ) = 0.
00123          X( J ) = 0.
00124          IP( J ) = J
00125    20 CONTINUE
00126       ANRM = 1.0
00127       OK = .TRUE.
00128 *
00129       IF( LSAMEN( 2, C2, 'SY' ) ) THEN
00130 *
00131 *        Test error exits of the routines that use factorization
00132 *        of a symmetric indefinite matrix with patrial
00133 *        (Bunch-Kaufman) pivoting.
00134 *
00135 *        CSYTRF
00136 *
00137          SRNAMT = 'CSYTRF'
00138          INFOT = 1
00139          CALL CSYTRF( '/', 0, A, 1, IP, W, 1, INFO )
00140          CALL CHKXER( 'CSYTRF', INFOT, NOUT, LERR, OK )
00141          INFOT = 2
00142          CALL CSYTRF( 'U', -1, A, 1, IP, W, 1, INFO )
00143          CALL CHKXER( 'CSYTRF', INFOT, NOUT, LERR, OK )
00144          INFOT = 4
00145          CALL CSYTRF( 'U', 2, A, 1, IP, W, 4, INFO )
00146          CALL CHKXER( 'CSYTRF', INFOT, NOUT, LERR, OK )
00147 *
00148 *        CSYTF2
00149 *
00150          SRNAMT = 'CSYTF2'
00151          INFOT = 1
00152          CALL CSYTF2( '/', 0, A, 1, IP, INFO )
00153          CALL CHKXER( 'CSYTF2', INFOT, NOUT, LERR, OK )
00154          INFOT = 2
00155          CALL CSYTF2( 'U', -1, A, 1, IP, INFO )
00156          CALL CHKXER( 'CSYTF2', INFOT, NOUT, LERR, OK )
00157          INFOT = 4
00158          CALL CSYTF2( 'U', 2, A, 1, IP, INFO )
00159          CALL CHKXER( 'CSYTF2', INFOT, NOUT, LERR, OK )
00160 *
00161 *        CSYTRI
00162 *
00163          SRNAMT = 'CSYTRI'
00164          INFOT = 1
00165          CALL CSYTRI( '/', 0, A, 1, IP, W, INFO )
00166          CALL CHKXER( 'CSYTRI', INFOT, NOUT, LERR, OK )
00167          INFOT = 2
00168          CALL CSYTRI( 'U', -1, A, 1, IP, W, INFO )
00169          CALL CHKXER( 'CSYTRI', INFOT, NOUT, LERR, OK )
00170          INFOT = 4
00171          CALL CSYTRI( 'U', 2, A, 1, IP, W, INFO )
00172          CALL CHKXER( 'CSYTRI', INFOT, NOUT, LERR, OK )
00173 *
00174 *        CSYTRI2
00175 *
00176          SRNAMT = 'CSYTRI2'
00177          INFOT = 1
00178          CALL CSYTRI2( '/', 0, A, 1, IP, W, 1, INFO )
00179          CALL CHKXER( 'CSYTRI2', INFOT, NOUT, LERR, OK )
00180          INFOT = 2
00181          CALL CSYTRI2( 'U', -1, A, 1, IP, W, 1, INFO )
00182          CALL CHKXER( 'CSYTRI2', INFOT, NOUT, LERR, OK )
00183          INFOT = 4
00184          CALL CSYTRI2( 'U', 2, A, 1, IP, W, 1, INFO )
00185          CALL CHKXER( 'CSYTRI2', INFOT, NOUT, LERR, OK )
00186 *
00187 *        CSYTRS
00188 *
00189          SRNAMT = 'CSYTRS'
00190          INFOT = 1
00191          CALL CSYTRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
00192          CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
00193          INFOT = 2
00194          CALL CSYTRS( 'U', -1, 0, A, 1, IP, B, 1, INFO )
00195          CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
00196          INFOT = 3
00197          CALL CSYTRS( 'U', 0, -1, A, 1, IP, B, 1, INFO )
00198          CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
00199          INFOT = 5
00200          CALL CSYTRS( 'U', 2, 1, A, 1, IP, B, 2, INFO )
00201          CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
00202          INFOT = 8
00203          CALL CSYTRS( 'U', 2, 1, A, 2, IP, B, 1, INFO )
00204          CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
00205 *
00206 *        CSYRFS
00207 *
00208          SRNAMT = 'CSYRFS'
00209          INFOT = 1
00210          CALL CSYRFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
00211      $                R, INFO )
00212          CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
00213          INFOT = 2
00214          CALL CSYRFS( 'U', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00215      $                W, R, INFO )
00216          CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
00217          INFOT = 3
00218          CALL CSYRFS( 'U', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00219      $                W, R, INFO )
00220          CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
00221          INFOT = 5
00222          CALL CSYRFS( 'U', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
00223      $                R, INFO )
00224          CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
00225          INFOT = 7
00226          CALL CSYRFS( 'U', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
00227      $                R, INFO )
00228          CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
00229          INFOT = 10
00230          CALL CSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
00231      $                R, INFO )
00232          CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
00233          INFOT = 12
00234          CALL CSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
00235      $                R, INFO )
00236          CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
00237 *
00238 *        CSYCON
00239 *
00240          SRNAMT = 'CSYCON'
00241          INFOT = 1
00242          CALL CSYCON( '/', 0, A, 1, IP, ANRM, RCOND, W, INFO )
00243          CALL CHKXER( 'CSYCON', INFOT, NOUT, LERR, OK )
00244          INFOT = 2
00245          CALL CSYCON( 'U', -1, A, 1, IP, ANRM, RCOND, W, INFO )
00246          CALL CHKXER( 'CSYCON', INFOT, NOUT, LERR, OK )
00247          INFOT = 4
00248          CALL CSYCON( 'U', 2, A, 1, IP, ANRM, RCOND, W, INFO )
00249          CALL CHKXER( 'CSYCON', INFOT, NOUT, LERR, OK )
00250          INFOT = 6
00251          CALL CSYCON( 'U', 1, A, 1, IP, -ANRM, RCOND, W, INFO )
00252          CALL CHKXER( 'CSYCON', INFOT, NOUT, LERR, OK )
00253 *
00254       ELSE IF( LSAMEN( 2, C2, 'SP' ) ) THEN
00255 *
00256 *        Test error exits of the routines that use factorization
00257 *        of a symmetric indefinite packed matrix with patrial
00258 *        (Bunch-Kaufman) pivoting.
00259 *
00260 *        CSPTRF
00261 *
00262          SRNAMT = 'CSPTRF'
00263          INFOT = 1
00264          CALL CSPTRF( '/', 0, A, IP, INFO )
00265          CALL CHKXER( 'CSPTRF', INFOT, NOUT, LERR, OK )
00266          INFOT = 2
00267          CALL CSPTRF( 'U', -1, A, IP, INFO )
00268          CALL CHKXER( 'CSPTRF', INFOT, NOUT, LERR, OK )
00269 *
00270 *        CSPTRI
00271 *
00272          SRNAMT = 'CSPTRI'
00273          INFOT = 1
00274          CALL CSPTRI( '/', 0, A, IP, W, INFO )
00275          CALL CHKXER( 'CSPTRI', INFOT, NOUT, LERR, OK )
00276          INFOT = 2
00277          CALL CSPTRI( 'U', -1, A, IP, W, INFO )
00278          CALL CHKXER( 'CSPTRI', INFOT, NOUT, LERR, OK )
00279 *
00280 *        CSPTRS
00281 *
00282          SRNAMT = 'CSPTRS'
00283          INFOT = 1
00284          CALL CSPTRS( '/', 0, 0, A, IP, B, 1, INFO )
00285          CALL CHKXER( 'CSPTRS', INFOT, NOUT, LERR, OK )
00286          INFOT = 2
00287          CALL CSPTRS( 'U', -1, 0, A, IP, B, 1, INFO )
00288          CALL CHKXER( 'CSPTRS', INFOT, NOUT, LERR, OK )
00289          INFOT = 3
00290          CALL CSPTRS( 'U', 0, -1, A, IP, B, 1, INFO )
00291          CALL CHKXER( 'CSPTRS', INFOT, NOUT, LERR, OK )
00292          INFOT = 7
00293          CALL CSPTRS( 'U', 2, 1, A, IP, B, 1, INFO )
00294          CALL CHKXER( 'CSPTRS', INFOT, NOUT, LERR, OK )
00295 *
00296 *        CSPRFS
00297 *
00298          SRNAMT = 'CSPRFS'
00299          INFOT = 1
00300          CALL CSPRFS( '/', 0, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00301      $                INFO )
00302          CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
00303          INFOT = 2
00304          CALL CSPRFS( 'U', -1, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00305      $                INFO )
00306          CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
00307          INFOT = 3
00308          CALL CSPRFS( 'U', 0, -1, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00309      $                INFO )
00310          CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
00311          INFOT = 8
00312          CALL CSPRFS( 'U', 2, 1, A, AF, IP, B, 1, X, 2, R1, R2, W, R,
00313      $                INFO )
00314          CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
00315          INFOT = 10
00316          CALL CSPRFS( 'U', 2, 1, A, AF, IP, B, 2, X, 1, R1, R2, W, R,
00317      $                INFO )
00318          CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
00319 *
00320 *        CSPCON
00321 *
00322          SRNAMT = 'CSPCON'
00323          INFOT = 1
00324          CALL CSPCON( '/', 0, A, IP, ANRM, RCOND, W, INFO )
00325          CALL CHKXER( 'CSPCON', INFOT, NOUT, LERR, OK )
00326          INFOT = 2
00327          CALL CSPCON( 'U', -1, A, IP, ANRM, RCOND, W, INFO )
00328          CALL CHKXER( 'CSPCON', INFOT, NOUT, LERR, OK )
00329          INFOT = 5
00330          CALL CSPCON( 'U', 1, A, IP, -ANRM, RCOND, W, INFO )
00331          CALL CHKXER( 'CSPCON', 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 CERRSY
00341 *
00342       END
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