LAPACK  3.4.1
LAPACK: Linear Algebra PACKage
cerrhex.f
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00001 *> \brief \b CERRHEX
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 CERRHE( 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 *> CERRHE tests the error exits for the COMPLEX routines
00025 *> for Hermitian indefinite matrices.
00026 *>
00027 *> Note that this file is used only when the XBLAS are available,
00028 *> otherwise cerrhe.f defines this subroutine.
00029 *> \endverbatim
00030 *
00031 *  Arguments:
00032 *  ==========
00033 *
00034 *> \param[in] PATH
00035 *> \verbatim
00036 *>          PATH is CHARACTER*3
00037 *>          The LAPACK path name for the routines to be tested.
00038 *> \endverbatim
00039 *>
00040 *> \param[in] NUNIT
00041 *> \verbatim
00042 *>          NUNIT is INTEGER
00043 *>          The unit number for output.
00044 *> \endverbatim
00045 *
00046 *  Authors:
00047 *  ========
00048 *
00049 *> \author Univ. of Tennessee 
00050 *> \author Univ. of California Berkeley 
00051 *> \author Univ. of Colorado Denver 
00052 *> \author NAG Ltd. 
00053 *
00054 *> \date November 2011
00055 *
00056 *> \ingroup complex_lin
00057 *
00058 *  =====================================================================
00059       SUBROUTINE CERRHE( PATH, NUNIT )
00060 *
00061 *  -- LAPACK test routine (version 3.4.0) --
00062 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
00063 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
00064 *     November 2011
00065 *
00066 *     .. Scalar Arguments ..
00067       CHARACTER*3        PATH
00068       INTEGER            NUNIT
00069 *     ..
00070 *
00071 *  =====================================================================
00072 *
00073 *
00074 *     .. Parameters ..
00075       INTEGER            NMAX
00076       PARAMETER          ( NMAX = 4 )
00077 *     ..
00078 *     .. Local Scalars ..
00079       CHARACTER          EQ
00080       CHARACTER*2        C2
00081       INTEGER            I, INFO, J, N_ERR_BNDS, NPARAMS
00082       REAL               ANRM, RCOND, BERR
00083 *     ..
00084 *     .. Local Arrays ..
00085       INTEGER            IP( NMAX )
00086       REAL               R( NMAX ), R1( NMAX ), R2( NMAX ),
00087      $                   S( NMAX ), ERR_BNDS_N( NMAX, 3 ),
00088      $                   ERR_BNDS_C( NMAX, 3 ), PARAMS( 1 )
00089       COMPLEX            A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
00090      $                   W( 2*NMAX ), X( NMAX )
00091 *     ..
00092 *     .. External Functions ..
00093       LOGICAL            LSAMEN
00094       EXTERNAL           LSAMEN
00095 *     ..
00096 *     .. External Subroutines ..
00097       EXTERNAL           ALAESM, CHECON, CHERFS, CHETF2, CHETRF, CHETRI,
00098      $                   CHETRI2, CHETRS, CHKXER, CHPCON, CHPRFS,
00099      $                   CHPTRF, CHPTRI, CHPTRS, CHERFSX
00100 *     ..
00101 *     .. Scalars in Common ..
00102       LOGICAL            LERR, OK
00103       CHARACTER*32       SRNAMT
00104       INTEGER            INFOT, NOUT
00105 *     ..
00106 *     .. Common blocks ..
00107       COMMON             / INFOC / INFOT, NOUT, OK, LERR
00108       COMMON             / SRNAMC / SRNAMT
00109 *     ..
00110 *     .. Intrinsic Functions ..
00111       INTRINSIC          CMPLX, REAL
00112 *     ..
00113 *     .. Executable Statements ..
00114 *
00115       NOUT = NUNIT
00116       WRITE( NOUT, FMT = * )
00117       C2 = PATH( 2: 3 )
00118 *
00119 *     Set the variables to innocuous values.
00120 *
00121       DO 20 J = 1, NMAX
00122          DO 10 I = 1, NMAX
00123             A( I, J ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
00124             AF( I, J ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
00125    10    CONTINUE
00126          B( J ) = 0.
00127          R1( J ) = 0.
00128          R2( J ) = 0.
00129          W( J ) = 0.
00130          X( J ) = 0.
00131          S( J ) = 0.
00132          IP( J ) = J
00133    20 CONTINUE
00134       ANRM = 1.0
00135       OK = .TRUE.
00136 *
00137 *     Test error exits of the routines that use the diagonal pivoting
00138 *     factorization of a Hermitian indefinite matrix.
00139 *
00140       IF( LSAMEN( 2, C2, 'HE' ) ) THEN
00141 *
00142 *        CHETRF
00143 *
00144          SRNAMT = 'CHETRF'
00145          INFOT = 1
00146          CALL CHETRF( '/', 0, A, 1, IP, W, 1, INFO )
00147          CALL CHKXER( 'CHETRF', INFOT, NOUT, LERR, OK )
00148          INFOT = 2
00149          CALL CHETRF( 'U', -1, A, 1, IP, W, 1, INFO )
00150          CALL CHKXER( 'CHETRF', INFOT, NOUT, LERR, OK )
00151          INFOT = 4
00152          CALL CHETRF( 'U', 2, A, 1, IP, W, 4, INFO )
00153          CALL CHKXER( 'CHETRF', INFOT, NOUT, LERR, OK )
00154 *
00155 *        CHETF2
00156 *
00157          SRNAMT = 'CHETF2'
00158          INFOT = 1
00159          CALL CHETF2( '/', 0, A, 1, IP, INFO )
00160          CALL CHKXER( 'CHETF2', INFOT, NOUT, LERR, OK )
00161          INFOT = 2
00162          CALL CHETF2( 'U', -1, A, 1, IP, INFO )
00163          CALL CHKXER( 'CHETF2', INFOT, NOUT, LERR, OK )
00164          INFOT = 4
00165          CALL CHETF2( 'U', 2, A, 1, IP, INFO )
00166          CALL CHKXER( 'CHETF2', INFOT, NOUT, LERR, OK )
00167 *
00168 *        CHETRI
00169 *
00170          SRNAMT = 'CHETRI'
00171          INFOT = 1
00172          CALL CHETRI( '/', 0, A, 1, IP, W, INFO )
00173          CALL CHKXER( 'CHETRI', INFOT, NOUT, LERR, OK )
00174          INFOT = 2
00175          CALL CHETRI( 'U', -1, A, 1, IP, W, INFO )
00176          CALL CHKXER( 'CHETRI', INFOT, NOUT, LERR, OK )
00177          INFOT = 4
00178          CALL CHETRI( 'U', 2, A, 1, IP, W, INFO )
00179          CALL CHKXER( 'CHETRI', INFOT, NOUT, LERR, OK )
00180 *
00181 *        CHETRI2
00182 *
00183          SRNAMT = 'CHETRI2'
00184          INFOT = 1
00185          CALL CHETRI2( '/', 0, A, 1, IP, W, 1, INFO )
00186          CALL CHKXER( 'CHETRI2', INFOT, NOUT, LERR, OK )
00187          INFOT = 2
00188          CALL CHETRI2( 'U', -1, A, 1, IP, W, 1, INFO )
00189          CALL CHKXER( 'CHETRI2', INFOT, NOUT, LERR, OK )
00190          INFOT = 4
00191          CALL CHETRI2( 'U', 2, A, 1, IP, W, 1, INFO )
00192          CALL CHKXER( 'CHETRI2', INFOT, NOUT, LERR, OK )
00193 *
00194 *        CHETRS
00195 *
00196          SRNAMT = 'CHETRS'
00197          INFOT = 1
00198          CALL CHETRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
00199          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00200          INFOT = 2
00201          CALL CHETRS( 'U', -1, 0, A, 1, IP, B, 1, INFO )
00202          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00203          INFOT = 3
00204          CALL CHETRS( 'U', 0, -1, A, 1, IP, B, 1, INFO )
00205          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00206          INFOT = 5
00207          CALL CHETRS( 'U', 2, 1, A, 1, IP, B, 2, INFO )
00208          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00209          INFOT = 8
00210          CALL CHETRS( 'U', 2, 1, A, 2, IP, B, 1, INFO )
00211          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00212 *
00213 *        CHERFS
00214 *
00215          SRNAMT = 'CHERFS'
00216          INFOT = 1
00217          CALL CHERFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
00218      $                R, INFO )
00219          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00220          INFOT = 2
00221          CALL CHERFS( 'U', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00222      $                W, R, INFO )
00223          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00224          INFOT = 3
00225          CALL CHERFS( 'U', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00226      $                W, R, INFO )
00227          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00228          INFOT = 5
00229          CALL CHERFS( 'U', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
00230      $                R, INFO )
00231          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00232          INFOT = 7
00233          CALL CHERFS( 'U', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
00234      $                R, INFO )
00235          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00236          INFOT = 10
00237          CALL CHERFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
00238      $                R, INFO )
00239          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00240          INFOT = 12
00241          CALL CHERFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
00242      $                R, INFO )
00243          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00244 *
00245 *        CHECON
00246 *
00247          SRNAMT = 'CHECON'
00248          INFOT = 1
00249          CALL CHECON( '/', 0, A, 1, IP, ANRM, RCOND, W, INFO )
00250          CALL CHKXER( 'CHECON', INFOT, NOUT, LERR, OK )
00251          INFOT = 2
00252          CALL CHECON( 'U', -1, A, 1, IP, ANRM, RCOND, W, INFO )
00253          CALL CHKXER( 'CHECON', INFOT, NOUT, LERR, OK )
00254          INFOT = 4
00255          CALL CHECON( 'U', 2, A, 1, IP, ANRM, RCOND, W, INFO )
00256          CALL CHKXER( 'CHECON', INFOT, NOUT, LERR, OK )
00257          INFOT = 6
00258          CALL CHECON( 'U', 1, A, 1, IP, -ANRM, RCOND, W, INFO )
00259          CALL CHKXER( 'CHECON', INFOT, NOUT, LERR, OK )
00260 *
00261 *        CHERFSX
00262 *
00263          N_ERR_BNDS = 3
00264          NPARAMS = 0
00265          SRNAMT = 'CHERFSX'
00266          INFOT = 1
00267          CALL CHERFSX( '/', EQ, 0, 0, A, 1, AF, 1, IP, S, B, 1, X, 1,
00268      $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
00269      $        PARAMS, W, R, INFO )
00270          CALL CHKXER( 'CHERFSX', INFOT, NOUT, LERR, OK )
00271          INFOT = 2
00272          CALL CHERFSX( 'U', EQ, -1, 0, A, 1, AF, 1, IP, S, B, 1, X, 1,
00273      $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
00274      $        PARAMS, W, R, INFO )
00275          CALL CHKXER( 'CHERFSX', INFOT, NOUT, LERR, OK )
00276          EQ = 'N'
00277          INFOT = 3
00278          CALL CHERFSX( 'U', EQ, -1, 0, A, 1, AF, 1, IP, S, B, 1, X, 1,
00279      $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
00280      $        PARAMS, W, R, INFO )
00281          CALL CHKXER( 'CHERFSX', INFOT, NOUT, LERR, OK )
00282          INFOT = 4
00283          CALL CHERFSX( 'U', EQ, 0, -1, A, 1, AF, 1, IP, S, B, 1, X, 1,
00284      $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
00285      $        PARAMS, W, R, INFO )
00286          CALL CHKXER( 'CHERFSX', INFOT, NOUT, LERR, OK )
00287          INFOT = 6
00288          CALL CHERFSX( 'U', EQ, 2, 1, A, 1, AF, 2, IP, S, B, 2, X, 2,
00289      $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
00290      $        PARAMS, W, R, INFO )
00291          CALL CHKXER( 'CHERFSX', INFOT, NOUT, LERR, OK )
00292          INFOT = 8
00293          CALL CHERFSX( 'U', EQ, 2, 1, A, 2, AF, 1, IP, S, B, 2, X, 2,
00294      $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
00295      $        PARAMS, W, R, INFO )
00296          CALL CHKXER( 'CHERFSX', INFOT, NOUT, LERR, OK )
00297          INFOT = 12
00298          CALL CHERFSX( 'U', EQ, 2, 1, A, 2, AF, 2, IP, S, B, 1, X, 2,
00299      $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
00300      $        PARAMS, W, R, INFO )
00301          CALL CHKXER( 'CHERFSX', INFOT, NOUT, LERR, OK )
00302          INFOT = 14
00303          CALL CHERFSX( 'U', EQ, 2, 1, A, 2, AF, 2, IP, S, B, 2, X, 1,
00304      $        RCOND, BERR, N_ERR_BNDS, ERR_BNDS_N, ERR_BNDS_C, NPARAMS,
00305      $        PARAMS, W, R, INFO )
00306          CALL CHKXER( 'CHERFSX', INFOT, NOUT, LERR, OK )
00307 *
00308 *     Test error exits of the routines that use the diagonal pivoting
00309 *     factorization of a Hermitian indefinite packed matrix.
00310 *
00311       ELSE IF( LSAMEN( 2, C2, 'HP' ) ) THEN
00312 *
00313 *        CHPTRF
00314 *
00315          SRNAMT = 'CHPTRF'
00316          INFOT = 1
00317          CALL CHPTRF( '/', 0, A, IP, INFO )
00318          CALL CHKXER( 'CHPTRF', INFOT, NOUT, LERR, OK )
00319          INFOT = 2
00320          CALL CHPTRF( 'U', -1, A, IP, INFO )
00321          CALL CHKXER( 'CHPTRF', INFOT, NOUT, LERR, OK )
00322 *
00323 *        CHPTRI
00324 *
00325          SRNAMT = 'CHPTRI'
00326          INFOT = 1
00327          CALL CHPTRI( '/', 0, A, IP, W, INFO )
00328          CALL CHKXER( 'CHPTRI', INFOT, NOUT, LERR, OK )
00329          INFOT = 2
00330          CALL CHPTRI( 'U', -1, A, IP, W, INFO )
00331          CALL CHKXER( 'CHPTRI', INFOT, NOUT, LERR, OK )
00332 *
00333 *        CHPTRS
00334 *
00335          SRNAMT = 'CHPTRS'
00336          INFOT = 1
00337          CALL CHPTRS( '/', 0, 0, A, IP, B, 1, INFO )
00338          CALL CHKXER( 'CHPTRS', INFOT, NOUT, LERR, OK )
00339          INFOT = 2
00340          CALL CHPTRS( 'U', -1, 0, A, IP, B, 1, INFO )
00341          CALL CHKXER( 'CHPTRS', INFOT, NOUT, LERR, OK )
00342          INFOT = 3
00343          CALL CHPTRS( 'U', 0, -1, A, IP, B, 1, INFO )
00344          CALL CHKXER( 'CHPTRS', INFOT, NOUT, LERR, OK )
00345          INFOT = 7
00346          CALL CHPTRS( 'U', 2, 1, A, IP, B, 1, INFO )
00347          CALL CHKXER( 'CHPTRS', INFOT, NOUT, LERR, OK )
00348 *
00349 *        CHPRFS
00350 *
00351          SRNAMT = 'CHPRFS'
00352          INFOT = 1
00353          CALL CHPRFS( '/', 0, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00354      $                INFO )
00355          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00356          INFOT = 2
00357          CALL CHPRFS( 'U', -1, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00358      $                INFO )
00359          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00360          INFOT = 3
00361          CALL CHPRFS( 'U', 0, -1, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00362      $                INFO )
00363          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00364          INFOT = 8
00365          CALL CHPRFS( 'U', 2, 1, A, AF, IP, B, 1, X, 2, R1, R2, W, R,
00366      $                INFO )
00367          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00368          INFOT = 10
00369          CALL CHPRFS( 'U', 2, 1, A, AF, IP, B, 2, X, 1, R1, R2, W, R,
00370      $                INFO )
00371          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00372 *
00373 *        CHPCON
00374 *
00375          SRNAMT = 'CHPCON'
00376          INFOT = 1
00377          CALL CHPCON( '/', 0, A, IP, ANRM, RCOND, W, INFO )
00378          CALL CHKXER( 'CHPCON', INFOT, NOUT, LERR, OK )
00379          INFOT = 2
00380          CALL CHPCON( 'U', -1, A, IP, ANRM, RCOND, W, INFO )
00381          CALL CHKXER( 'CHPCON', INFOT, NOUT, LERR, OK )
00382          INFOT = 5
00383          CALL CHPCON( 'U', 1, A, IP, -ANRM, RCOND, W, INFO )
00384          CALL CHKXER( 'CHPCON', INFOT, NOUT, LERR, OK )
00385       END IF
00386 *
00387 *     Print a summary line.
00388 *
00389       CALL ALAESM( PATH, OK, NOUT )
00390 *
00391       RETURN
00392 *
00393 *     End of CERRHE
00394 *
00395       END
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