LAPACK  3.4.1
LAPACK: Linear Algebra PACKage
zchkqrt.f
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00001 *> \brief \b ZCHKQRT
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 ZCHKQRT( THRESH, TSTERR, NM, MVAL, NN, NVAL, NNB, 
00012 *                           NBVAL, NOUT )
00013 *       .. Scalar Arguments ..
00014 *       LOGICAL            TSTERR
00015 *       INTEGER            NM, NN, NNB, NOUT
00016 *       DOUBLE PRECISION   THRESH
00017 *       ..
00018 *       .. Array Arguments ..
00019 *       INTEGER            MVAL( * ), NBVAL( * ), NVAL( * )
00020 *
00021 *> \par Purpose:
00022 *  =============
00023 *>
00024 *> \verbatim
00025 *>
00026 *> ZCHKQRT tests ZGEQRT and ZGEMQRT.
00027 *> \endverbatim
00028 *
00029 *  Arguments:
00030 *  ==========
00031 *
00032 *> \param[in] THRESH
00033 *> \verbatim
00034 *>          THRESH is DOUBLE PRECISION
00035 *>          The threshold value for the test ratios.  A result is
00036 *>          included in the output file if RESULT >= THRESH.  To have
00037 *>          every test ratio printed, use THRESH = 0.
00038 *> \endverbatim
00039 *>
00040 *> \param[in] TSTERR
00041 *> \verbatim
00042 *>          TSTERR is LOGICAL
00043 *>          Flag that indicates whether error exits are to be tested.
00044 *> \endverbatim
00045 *>
00046 *> \param[in] NM
00047 *> \verbatim
00048 *>          NM is INTEGER
00049 *>          The number of values of M contained in the vector MVAL.
00050 *> \endverbatim
00051 *>
00052 *> \param[in] MVAL
00053 *> \verbatim
00054 *>          MVAL is INTEGER array, dimension (NM)
00055 *>          The values of the matrix row dimension M.
00056 *> \endverbatim
00057 *>
00058 *> \param[in] NN
00059 *> \verbatim
00060 *>          NN is INTEGER
00061 *>          The number of values of N contained in the vector NVAL.
00062 *> \endverbatim
00063 *>
00064 *> \param[in] NVAL
00065 *> \verbatim
00066 *>          NVAL is INTEGER array, dimension (NN)
00067 *>          The values of the matrix column dimension N.
00068 *> \endverbatim
00069 *>
00070 *> \param[in] NNB
00071 *> \verbatim
00072 *>          NNB is INTEGER
00073 *>          The number of values of NB contained in the vector NBVAL.
00074 *> \endverbatim
00075 *>
00076 *> \param[in] NBVAL
00077 *> \verbatim
00078 *>          NBVAL is INTEGER array, dimension (NBVAL)
00079 *>          The values of the blocksize NB.
00080 *> \endverbatim
00081 *>
00082 *> \param[in] NOUT
00083 *> \verbatim
00084 *>          NOUT is INTEGER
00085 *>          The unit number for output.
00086 *> \endverbatim
00087 *
00088 *  Authors:
00089 *  ========
00090 *
00091 *> \author Univ. of Tennessee 
00092 *> \author Univ. of California Berkeley 
00093 *> \author Univ. of Colorado Denver 
00094 *> \author NAG Ltd. 
00095 *
00096 *> \date November 2011
00097 *
00098 *> \ingroup complex16_lin
00099 *
00100 *  =====================================================================
00101       SUBROUTINE ZCHKQRT( THRESH, TSTERR, NM, MVAL, NN, NVAL, NNB, 
00102      $                     NBVAL, NOUT )
00103       IMPLICIT NONE
00104 *     
00105 *  -- LAPACK test routine (version 3.4.0) --
00106 *  -- LAPACK is a software package provided by Univ. of Tennessee,    --
00107 *  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
00108 *     November 2011
00109 *
00110 *     .. Scalar Arguments ..
00111       LOGICAL            TSTERR
00112       INTEGER            NM, NN, NNB, NOUT
00113       DOUBLE PRECISION   THRESH
00114 *     ..
00115 *     .. Array Arguments ..
00116       INTEGER            MVAL( * ), NBVAL( * ), NVAL( * )
00117 *     ..
00118 *
00119 *  =====================================================================
00120 *
00121 *     .. Parameters ..
00122       INTEGER            NTESTS
00123       PARAMETER          ( NTESTS = 6 )
00124 *     ..
00125 *     .. Local Scalars ..
00126       CHARACTER*3        PATH
00127       INTEGER            I, J, K, T, M, N, NB, NFAIL, NERRS, NRUN,
00128      $                   MINMN
00129 *     ..
00130 *     .. Local Arrays ..
00131       DOUBLE PRECISION   RESULT( NTESTS )
00132 *     ..
00133 *     .. External Subroutines ..
00134       EXTERNAL           ALAERH, ALAHD, ALASUM, ZERRQRT, ZQRT04
00135 *     ..
00136 *     .. Scalars in Common ..
00137       LOGICAL            LERR, OK
00138       CHARACTER*32       SRNAMT
00139       INTEGER            INFOT, NUNIT
00140 *     ..
00141 *     .. Common blocks ..
00142       COMMON             / INFOC / INFOT, NUNIT, OK, LERR
00143       COMMON             / SRNAMC / SRNAMT
00144 *     ..
00145 *     .. Executable Statements ..
00146 *
00147 *     Initialize constants
00148 *
00149       PATH( 1: 1 ) = 'Z'
00150       PATH( 2: 3 ) = 'QT'
00151       NRUN = 0
00152       NFAIL = 0
00153       NERRS = 0
00154 *
00155 *     Test the error exits
00156 *
00157       IF( TSTERR ) CALL ZERRQRT( PATH, NOUT )
00158       INFOT = 0
00159 *
00160 *     Do for each value of M in MVAL.
00161 *
00162       DO I = 1, NM
00163          M = MVAL( I )
00164 *
00165 *        Do for each value of N in NVAL.
00166 *
00167          DO J = 1, NN
00168             N = NVAL( J )
00169 *
00170 *        Do for each possible value of NB
00171 *
00172             MINMN = MIN( M, N )
00173             DO K = 1, NNB
00174                NB = NBVAL( K )
00175 *
00176 *              Test ZGEQRT and ZGEMQRT
00177 *     
00178                IF( (NB.LE.MINMN).AND.(NB.GT.0) ) THEN
00179                   CALL ZQRT04( M, N, NB, RESULT )
00180 *
00181 *                 Print information about the tests that did not
00182 *                 pass the threshold.
00183 *
00184                   DO T = 1, NTESTS
00185                      IF( RESULT( T ).GE.THRESH ) THEN
00186                         IF( NFAIL.EQ.0 .AND. NERRS.EQ.0 )
00187      $                      CALL ALAHD( NOUT, PATH )
00188                         WRITE( NOUT, FMT = 9999 )M, N, NB,
00189      $                         T, RESULT( T )
00190                         NFAIL = NFAIL + 1
00191                      END IF
00192                   END DO
00193                   NRUN = NRUN + NTESTS
00194                END IF
00195             END DO
00196          END DO
00197       END DO
00198 *
00199 *     Print a summary of the results.
00200 *
00201       CALL ALASUM( PATH, NOUT, NFAIL, NRUN, NERRS )
00202 *
00203  9999 FORMAT( ' M=', I5, ', N=', I5, ', NB=', I4,
00204      $      ' test(', I2, ')=', G12.5 )
00205       RETURN
00206 *
00207 *     End of ZCHKQRT
00208 *
00209       END
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