LAPACK: TESTING/LIN/cerrhe.f Source File

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00001       SUBROUTINE CERRHE( 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 *  CERRHE tests the error exits for the COMPLEX routines
00016 *  for Hermitian indefinite 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 *
00030 *     .. Parameters ..
00031       INTEGER            NMAX
00032       PARAMETER          ( NMAX = 4 )
00033 *     ..
00034 *     .. Local Scalars ..
00035       CHARACTER*2        C2
00036       INTEGER            I, INFO, J
00037       REAL               ANRM, RCOND
00038 *     ..
00039 *     .. Local Arrays ..
00040       INTEGER            IP( NMAX )
00041       REAL               R( NMAX ), R1( NMAX ), R2( NMAX )
00042       COMPLEX            A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
00043      $                   W( 2*NMAX ), X( NMAX )
00044 *     ..
00045 *     .. External Functions ..
00046       LOGICAL            LSAMEN
00047       EXTERNAL           LSAMEN
00048 *     ..
00049 *     .. External Subroutines ..
00050       EXTERNAL           ALAESM, CHECON, CHERFS, CHETF2, CHETRF, CHETRI,
00051      $                   CHETRS, CHKXER, CHPCON, CHPRFS, CHPTRF, CHPTRI,
00052      $                   CHPTRS
00053 *     ..
00054 *     .. Scalars in Common ..
00055       LOGICAL            LERR, OK
00056       CHARACTER*32       SRNAMT
00057       INTEGER            INFOT, NOUT
00058 *     ..
00059 *     .. Common blocks ..
00060       COMMON             / INFOC / INFOT, NOUT, OK, LERR
00061       COMMON             / SRNAMC / SRNAMT
00062 *     ..
00063 *     .. Intrinsic Functions ..
00064       INTRINSIC          CMPLX, REAL
00065 *     ..
00066 *     .. Executable Statements ..
00067 *
00068       NOUT = NUNIT
00069       WRITE( NOUT, FMT = * )
00070       C2 = PATH( 2: 3 )
00071 *
00072 *     Set the variables to innocuous values.
00073 *
00074       DO 20 J = 1, NMAX
00075          DO 10 I = 1, NMAX
00076             A( I, J ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
00077             AF( I, J ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
00078    10    CONTINUE
00079          B( J ) = 0.
00080          R1( J ) = 0.
00081          R2( J ) = 0.
00082          W( J ) = 0.
00083          X( J ) = 0.
00084          IP( J ) = J
00085    20 CONTINUE
00086       ANRM = 1.0
00087       OK = .TRUE.
00088 *
00089 *     Test error exits of the routines that use the diagonal pivoting
00090 *     factorization of a Hermitian indefinite matrix.
00091 *
00092       IF( LSAMEN( 2, C2, 'HE' ) ) THEN
00093 *
00094 *        CHETRF
00095 *
00096          SRNAMT = 'CHETRF'
00097          INFOT = 1
00098          CALL CHETRF( '/', 0, A, 1, IP, W, 1, INFO )
00099          CALL CHKXER( 'CHETRF', INFOT, NOUT, LERR, OK )
00100          INFOT = 2
00101          CALL CHETRF( 'U', -1, A, 1, IP, W, 1, INFO )
00102          CALL CHKXER( 'CHETRF', INFOT, NOUT, LERR, OK )
00103          INFOT = 4
00104          CALL CHETRF( 'U', 2, A, 1, IP, W, 4, INFO )
00105          CALL CHKXER( 'CHETRF', INFOT, NOUT, LERR, OK )
00106 *
00107 *        CHETF2
00108 *
00109          SRNAMT = 'CHETF2'
00110          INFOT = 1
00111          CALL CHETF2( '/', 0, A, 1, IP, INFO )
00112          CALL CHKXER( 'CHETF2', INFOT, NOUT, LERR, OK )
00113          INFOT = 2
00114          CALL CHETF2( 'U', -1, A, 1, IP, INFO )
00115          CALL CHKXER( 'CHETF2', INFOT, NOUT, LERR, OK )
00116          INFOT = 4
00117          CALL CHETF2( 'U', 2, A, 1, IP, INFO )
00118          CALL CHKXER( 'CHETF2', INFOT, NOUT, LERR, OK )
00119 *
00120 *        CHETRI
00121 *
00122          SRNAMT = 'CHETRI'
00123          INFOT = 1
00124          CALL CHETRI( '/', 0, A, 1, IP, W, INFO )
00125          CALL CHKXER( 'CHETRI', INFOT, NOUT, LERR, OK )
00126          INFOT = 2
00127          CALL CHETRI( 'U', -1, A, 1, IP, W, INFO )
00128          CALL CHKXER( 'CHETRI', INFOT, NOUT, LERR, OK )
00129          INFOT = 4
00130          CALL CHETRI( 'U', 2, A, 1, IP, W, INFO )
00131          CALL CHKXER( 'CHETRI', INFOT, NOUT, LERR, OK )
00132 *
00133 *        CHETRS
00134 *
00135          SRNAMT = 'CHETRS'
00136          INFOT = 1
00137          CALL CHETRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
00138          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00139          INFOT = 2
00140          CALL CHETRS( 'U', -1, 0, A, 1, IP, B, 1, INFO )
00141          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00142          INFOT = 3
00143          CALL CHETRS( 'U', 0, -1, A, 1, IP, B, 1, INFO )
00144          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00145          INFOT = 5
00146          CALL CHETRS( 'U', 2, 1, A, 1, IP, B, 2, INFO )
00147          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00148          INFOT = 8
00149          CALL CHETRS( 'U', 2, 1, A, 2, IP, B, 1, INFO )
00150          CALL CHKXER( 'CHETRS', INFOT, NOUT, LERR, OK )
00151 *
00152 *        CHERFS
00153 *
00154          SRNAMT = 'CHERFS'
00155          INFOT = 1
00156          CALL CHERFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
00157      $                R, INFO )
00158          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00159          INFOT = 2
00160          CALL CHERFS( 'U', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00161      $                W, R, INFO )
00162          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00163          INFOT = 3
00164          CALL CHERFS( 'U', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
00165      $                W, R, INFO )
00166          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00167          INFOT = 5
00168          CALL CHERFS( 'U', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
00169      $                R, INFO )
00170          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00171          INFOT = 7
00172          CALL CHERFS( 'U', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
00173      $                R, INFO )
00174          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00175          INFOT = 10
00176          CALL CHERFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
00177      $                R, INFO )
00178          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00179          INFOT = 12
00180          CALL CHERFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
00181      $                R, INFO )
00182          CALL CHKXER( 'CHERFS', INFOT, NOUT, LERR, OK )
00183 *
00184 *        CHECON
00185 *
00186          SRNAMT = 'CHECON'
00187          INFOT = 1
00188          CALL CHECON( '/', 0, A, 1, IP, ANRM, RCOND, W, INFO )
00189          CALL CHKXER( 'CHECON', INFOT, NOUT, LERR, OK )
00190          INFOT = 2
00191          CALL CHECON( 'U', -1, A, 1, IP, ANRM, RCOND, W, INFO )
00192          CALL CHKXER( 'CHECON', INFOT, NOUT, LERR, OK )
00193          INFOT = 4
00194          CALL CHECON( 'U', 2, A, 1, IP, ANRM, RCOND, W, INFO )
00195          CALL CHKXER( 'CHECON', INFOT, NOUT, LERR, OK )
00196          INFOT = 6
00197          CALL CHECON( 'U', 1, A, 1, IP, -ANRM, RCOND, W, INFO )
00198          CALL CHKXER( 'CHECON', INFOT, NOUT, LERR, OK )
00199 *
00200 *     Test error exits of the routines that use the diagonal pivoting
00201 *     factorization of a Hermitian indefinite packed matrix.
00202 *
00203       ELSE IF( LSAMEN( 2, C2, 'HP' ) ) THEN
00204 *
00205 *        CHPTRF
00206 *
00207          SRNAMT = 'CHPTRF'
00208          INFOT = 1
00209          CALL CHPTRF( '/', 0, A, IP, INFO )
00210          CALL CHKXER( 'CHPTRF', INFOT, NOUT, LERR, OK )
00211          INFOT = 2
00212          CALL CHPTRF( 'U', -1, A, IP, INFO )
00213          CALL CHKXER( 'CHPTRF', INFOT, NOUT, LERR, OK )
00214 *
00215 *        CHPTRI
00216 *
00217          SRNAMT = 'CHPTRI'
00218          INFOT = 1
00219          CALL CHPTRI( '/', 0, A, IP, W, INFO )
00220          CALL CHKXER( 'CHPTRI', INFOT, NOUT, LERR, OK )
00221          INFOT = 2
00222          CALL CHPTRI( 'U', -1, A, IP, W, INFO )
00223          CALL CHKXER( 'CHPTRI', INFOT, NOUT, LERR, OK )
00224 *
00225 *        CHPTRS
00226 *
00227          SRNAMT = 'CHPTRS'
00228          INFOT = 1
00229          CALL CHPTRS( '/', 0, 0, A, IP, B, 1, INFO )
00230          CALL CHKXER( 'CHPTRS', INFOT, NOUT, LERR, OK )
00231          INFOT = 2
00232          CALL CHPTRS( 'U', -1, 0, A, IP, B, 1, INFO )
00233          CALL CHKXER( 'CHPTRS', INFOT, NOUT, LERR, OK )
00234          INFOT = 3
00235          CALL CHPTRS( 'U', 0, -1, A, IP, B, 1, INFO )
00236          CALL CHKXER( 'CHPTRS', INFOT, NOUT, LERR, OK )
00237          INFOT = 7
00238          CALL CHPTRS( 'U', 2, 1, A, IP, B, 1, INFO )
00239          CALL CHKXER( 'CHPTRS', INFOT, NOUT, LERR, OK )
00240 *
00241 *        CHPRFS
00242 *
00243          SRNAMT = 'CHPRFS'
00244          INFOT = 1
00245          CALL CHPRFS( '/', 0, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00246      $                INFO )
00247          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00248          INFOT = 2
00249          CALL CHPRFS( 'U', -1, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00250      $                INFO )
00251          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00252          INFOT = 3
00253          CALL CHPRFS( 'U', 0, -1, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
00254      $                INFO )
00255          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00256          INFOT = 8
00257          CALL CHPRFS( 'U', 2, 1, A, AF, IP, B, 1, X, 2, R1, R2, W, R,
00258      $                INFO )
00259          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00260          INFOT = 10
00261          CALL CHPRFS( 'U', 2, 1, A, AF, IP, B, 2, X, 1, R1, R2, W, R,
00262      $                INFO )
00263          CALL CHKXER( 'CHPRFS', INFOT, NOUT, LERR, OK )
00264 *
00265 *        CHPCON
00266 *
00267          SRNAMT = 'CHPCON'
00268          INFOT = 1
00269          CALL CHPCON( '/', 0, A, IP, ANRM, RCOND, W, INFO )
00270          CALL CHKXER( 'CHPCON', INFOT, NOUT, LERR, OK )
00271          INFOT = 2
00272          CALL CHPCON( 'U', -1, A, IP, ANRM, RCOND, W, INFO )
00273          CALL CHKXER( 'CHPCON', INFOT, NOUT, LERR, OK )
00274          INFOT = 5
00275          CALL CHPCON( 'U', 1, A, IP, -ANRM, RCOND, W, INFO )
00276          CALL CHKXER( 'CHPCON', INFOT, NOUT, LERR, OK )
00277       END IF
00278 *
00279 *     Print a summary line.
00280 *
00281       CALL ALAESM( PATH, OK, NOUT )
00282 *
00283       RETURN
00284 *
00285 *     End of CERRHE
00286 *
00287       END