schkee.f

来自「famous linear algebra library (LAPACK) p」· F 代码 · 共 1,816 行 · 第 1/5 页

*  line 6:  NPARMS, INTEGER
*           Number of values of the parameter NRHS
*
*  line 7:  NSVAL, INTEGER array, dimension (NPARMS)
*           The values for the number of right hand sides NRHS.
*
*  line 8:  THRESH
*           Threshold value for the test ratios.  Information will be
*           printed about each test for which the test ratio is greater
*           than or equal to the threshold.
*
*  line 9:  NEWSD, INTEGER
*           A code indicating how to set the random number seed.
*           = 0:  Set the seed to a default value before each run
*           = 1:  Initialize the seed to a default value only before the
*                 first run
*           = 2:  Like 1, but use the seed values on the next line
*
*  If line 9 was 2:
*
*  line 10: INTEGER array, dimension (4)
*           Four integer values for the random number seed.
*
*  lines 10-EOF:  Lines specifying matrix types, as for SVD.
*           The 3-character path name is 'SBB'.
*
*-----------------------------------------------------------------------
*
*  SEC input file:
*
*  line  2: THRESH, REAL
*           Threshold value for the test ratios.  Information will be
*           printed about each test for which the test ratio is greater
*           than or equal to the threshold.
*
*  lines  3-EOF:
*
*  Input for testing the eigencondition routines consists of a set of
*  specially constructed test cases and their solutions.  The data
*  format is not intended to be modified by the user.
*
*-----------------------------------------------------------------------
*
*  SBL and SBK input files:
*
*  line 1:  'SBL' in columns 1-3 to test SGEBAL, or 'SBK' in
*           columns 1-3 to test SGEBAK.
*
*  The remaining lines consist of specially constructed test cases.
*
*-----------------------------------------------------------------------
*
*  SGL and SGK input files:
*
*  line 1:  'SGL' in columns 1-3 to test SGGBAL, or 'SGK' in
*           columns 1-3 to test SGGBAK.
*
*  The remaining lines consist of specially constructed test cases.
*
*-----------------------------------------------------------------------
*
*  GLM data file:
*
*  line 1:  'GLM' in columns 1 to 3.
*
*  line 2:  NN, INTEGER
*           Number of values of M, P, and N.
*
*  line 3:  MVAL, INTEGER array, dimension(NN)
*           Values of M (row dimension).
*
*  line 4:  PVAL, INTEGER array, dimension(NN)
*           Values of P (row dimension).
*
*  line 5:  NVAL, INTEGER array, dimension(NN)
*           Values of N (column dimension), note M <= N <= M+P.
*
*  line 6:  THRESH, REAL
*           Threshold value for the test ratios.  Information will be
*           printed about each test for which the test ratio is greater
*           than or equal to the threshold.
*
*  line 7:  TSTERR, LOGICAL
*           Flag indicating whether or not to test the error exits for
*           the LAPACK routines and driver routines.
*
*  line 8:  NEWSD, INTEGER
*           A code indicating how to set the random number seed.
*           = 0:  Set the seed to a default value before each run
*           = 1:  Initialize the seed to a default value only before the
*                 first run
*           = 2:  Like 1, but use the seed values on the next line
*
*  If line 8 was 2:
*
*  line 9:  INTEGER array, dimension (4)
*           Four integer values for the random number seed.
*
*  lines 9-EOF:  Lines specifying matrix types, as for NEP.
*           The 3-character path name is 'GLM' for the generalized
*           linear regression model routines.
*
*-----------------------------------------------------------------------
*
*  GQR data file:
*
*  line 1:  'GQR' in columns 1 to 3.
*
*  line 2:  NN, INTEGER
*           Number of values of M, P, and N.
*
*  line 3:  MVAL, INTEGER array, dimension(NN)
*           Values of M.
*
*  line 4:  PVAL, INTEGER array, dimension(NN)
*           Values of P.
*
*  line 5:  NVAL, INTEGER array, dimension(NN)
*           Values of N.
*
*  line 6:  THRESH, REAL
*           Threshold value for the test ratios.  Information will be
*           printed about each test for which the test ratio is greater
*           than or equal to the threshold.
*
*  line 7:  TSTERR, LOGICAL
*           Flag indicating whether or not to test the error exits for
*           the LAPACK routines and driver routines.
*
*  line 8:  NEWSD, INTEGER
*           A code indicating how to set the random number seed.
*           = 0:  Set the seed to a default value before each run
*           = 1:  Initialize the seed to a default value only before the
*                 first run
*           = 2:  Like 1, but use the seed values on the next line
*
*  If line 8 was 2:
*
*  line 9:  INTEGER array, dimension (4)
*           Four integer values for the random number seed.
*
*  lines 9-EOF:  Lines specifying matrix types, as for NEP.
*           The 3-character path name is 'GQR' for the generalized
*           QR and RQ routines.
*
*-----------------------------------------------------------------------
*
*  GSV data file:
*
*  line 1:  'GSV' in columns 1 to 3.
*
*  line 2:  NN, INTEGER
*           Number of values of M, P, and N.
*
*  line 3:  MVAL, INTEGER array, dimension(NN)
*           Values of M (row dimension).
*
*  line 4:  PVAL, INTEGER array, dimension(NN)
*           Values of P (row dimension).
*
*  line 5:  NVAL, INTEGER array, dimension(NN)
*           Values of N (column dimension).
*
*  line 6:  THRESH, REAL
*           Threshold value for the test ratios.  Information will be
*           printed about each test for which the test ratio is greater
*           than or equal to the threshold.
*
*  line 7:  TSTERR, LOGICAL
*           Flag indicating whether or not to test the error exits for
*           the LAPACK routines and driver routines.
*
*  line 8:  NEWSD, INTEGER
*           A code indicating how to set the random number seed.
*           = 0:  Set the seed to a default value before each run
*           = 1:  Initialize the seed to a default value only before the
*                 first run
*           = 2:  Like 1, but use the seed values on the next line
*
*  If line 8 was 2:
*
*  line 9:  INTEGER array, dimension (4)
*           Four integer values for the random number seed.
*
*  lines 9-EOF:  Lines specifying matrix types, as for NEP.
*           The 3-character path name is 'GSV' for the generalized
*           SVD routines.
*
*-----------------------------------------------------------------------
*
*  LSE data file:
*
*  line 1:  'LSE' in columns 1 to 3.
*
*  line 2:  NN, INTEGER
*           Number of values of M, P, and N.
*
*  line 3:  MVAL, INTEGER array, dimension(NN)
*           Values of M.
*
*  line 4:  PVAL, INTEGER array, dimension(NN)
*           Values of P.
*
*  line 5:  NVAL, INTEGER array, dimension(NN)
*           Values of N, note P <= N <= P+M.
*
*  line 6:  THRESH, REAL
*           Threshold value for the test ratios.  Information will be
*           printed about each test for which the test ratio is greater
*           than or equal to the threshold.
*
*  line 7:  TSTERR, LOGICAL
*           Flag indicating whether or not to test the error exits for
*           the LAPACK routines and driver routines.
*
*  line 8:  NEWSD, INTEGER
*           A code indicating how to set the random number seed.
*           = 0:  Set the seed to a default value before each run
*           = 1:  Initialize the seed to a default value only before the
*                 first run
*           = 2:  Like 1, but use the seed values on the next line
*
*  If line 8 was 2:
*
*  line 9:  INTEGER array, dimension (4)
*           Four integer values for the random number seed.
*
*  lines 9-EOF:  Lines specifying matrix types, as for NEP.
*           The 3-character path name is 'GSV' for the generalized
*           SVD routines.
*
*-----------------------------------------------------------------------
*
*  NMAX is currently set to 132 and must be at least 12 for some of the
*  precomputed examples, and LWORK = NMAX*(5*NMAX+5)+1 in the parameter
*  statements below.  For SVD, we assume NRHS may be as big as N.  The
*  parameter NEED is set to 14 to allow for 14 N-by-N matrices for SGG.
*
*  =====================================================================
*
*     .. Parameters ..
      INTEGER            NMAX
      PARAMETER          ( NMAX = 132 )
      INTEGER            NCMAX
      PARAMETER          ( NCMAX = 20 )
      INTEGER            NEED
      PARAMETER          ( NEED = 14 )
      INTEGER            LWORK
      PARAMETER          ( LWORK = NMAX*( 5*NMAX+5 )+1 )
      INTEGER            LIWORK
      PARAMETER          ( LIWORK = NMAX*( 5*NMAX+20 ) )
      INTEGER            MAXIN
      PARAMETER          ( MAXIN = 20 )
      INTEGER            MAXT
      PARAMETER          ( MAXT = 30 )
      INTEGER            NIN, NOUT
      PARAMETER          ( NIN = 5, NOUT = 6 )
*     ..
*     .. Local Scalars ..
      LOGICAL            FATAL, GLM, GQR, GSV, LSE, NEP, SBB, SBK, SBL,
     $                   SEP, SES, SEV, SGG, SGK, SGL, SGS, SGV, SGX,
     $                   SSB, SSX, SVD, SVX, SXV, TSTCHK, TSTDIF,
     $                   TSTDRV, TSTERR
      CHARACTER          C1
      CHARACTER*3        C3, PATH
      CHARACTER*6        VNAME
      CHARACTER*10       INTSTR
      CHARACTER*80       LINE
      INTEGER            I, I1, IC, INFO, ITMP, K, LENP, MAXTYP, NEWSD,
     $                   NK, NN, NPARMS, NRHS, NTYPES,
     $                   VERS_MAJOR, VERS_MINOR, VERS_PATCH
      REAL               EPS, S1, S2, THRESH, THRSHN
*     ..
*     .. Local Arrays ..
      LOGICAL            DOTYPE( MAXT ), LOGWRK( NMAX )
      INTEGER            IOLDSD( 4 ), ISEED( 4 ), IWORK( LIWORK ),
     $                   KVAL( MAXIN ), MVAL( MAXIN ), MXBVAL( MAXIN ),
     $                   NBCOL( MAXIN ), NBMIN( MAXIN ), NBVAL( MAXIN ),
     $                   NSVAL( MAXIN ), NVAL( MAXIN ), NXVAL( MAXIN ),
     $                   PVAL( MAXIN )
      INTEGER            INMIN( MAXIN ), INWIN( MAXIN ), INIBL( MAXIN ),
     $                   ISHFTS( MAXIN ), IACC22( MAXIN )
      REAL               A( NMAX*NMAX, NEED ), B( NMAX*NMAX, 5 ),
     $                   C( NCMAX*NCMAX, NCMAX*NCMAX ), D( NMAX, 12 ),
     $                   RESULT( 500 ), TAUA( NMAX ), TAUB( NMAX ),
     $                   WORK( LWORK ), X( 5*NMAX )
*     ..
*     .. External Functions ..
      LOGICAL            LSAMEN
      REAL               SECOND, SLAMCH
      EXTERNAL           LSAMEN, SECOND, SLAMCH
*     ..
*     .. External Subroutines ..
      EXTERNAL           ALAREQ, SCHKBB, SCHKBD, SCHKBK, SCHKBL, SCHKEC,
     $                   SCHKGG, SCHKGK, SCHKGL, SCHKHS, SCHKSB, SCHKST,
     $                   SCKGLM, SCKGQR, SCKGSV, SCKLSE, SDRGES, SDRGEV,
     $                   SDRGSX, SDRGVX, SDRVBD, SDRVES, SDRVEV, SDRVGG,
     $                   SDRVSG, SDRVST, SDRVSX, SDRVVX, SERRBD, SERRED,
     $                   SERRGG, SERRHS, SERRST, ILAVER, XLAENV
*     ..
*     .. Intrinsic Functions ..
      INTRINSIC          LEN, MIN
*     ..
*     .. Scalars in Common ..
      LOGICAL            LERR, OK
      CHARACTER*6        SRNAMT
      INTEGER            INFOT, MAXB, NPROC, NSHIFT, NUNIT, SELDIM,
     $                   SELOPT
*     ..
*     .. Arrays in Common ..
      LOGICAL            SELVAL( 20 )
      INTEGER            IPARMS( 100 )
      REAL               SELWI( 20 ), SELWR( 20 )
*     ..
*     .. Common blocks ..
      COMMON             / CENVIR / NPROC, NSHIFT, MAXB
      COMMON             / CLAENV / IPARMS
      COMMON             / INFOC / INFOT, NUNIT, OK, LERR
      COMMON             / SRNAMC / SRNAMT
      COMMON             / SSLCT / SELOPT, SELDIM, SELVAL, SELWR, SELWI
*     ..
*     .. Data statements ..
      DATA               INTSTR / '0123456789' /
      DATA               IOLDSD / 0, 0, 0, 1 /
*     ..
*     .. Executable Statements ..
*
      S1 = SECOND( )
      FATAL = .FALSE.
      NUNIT = NOUT
*
*     Return to here to read multiple sets of data
*
   10 CONTINUE
*
*     Read the first line and set the 3-character test path
*
      READ( NIN, FMT = '(A80)', END = 380 )LINE
      PATH = LINE( 1: 3 )
      NEP = LSAMEN( 3, PATH, 'NEP' ) .OR. LSAMEN( 3, PATH, 'SHS' )
      SEP = LSAMEN( 3, PATH, 'SEP' ) .OR. LSAMEN( 3, PATH, 'SST' ) .OR.
     $      LSAMEN( 3, PATH, 'SSG' )
      SVD = LSAMEN( 3, PATH, 'SVD' ) .OR. LSAMEN( 3, PATH, 'SBD' )
      SEV = LSAMEN( 3, PATH, 'SEV' )
      SES = LSAMEN( 3, PATH, 'SES' )
      SVX = LSAMEN( 3, PATH, 'SVX' )
      SSX = LSAMEN( 3, PATH, 'SSX' )
      SGG = LSAMEN( 3, PATH, 'SGG' )
      SGS = LSAMEN( 3, PATH, 'SGS' )
      SGX = LSAMEN( 3, PATH, 'SGX' )
      SGV = LSAMEN( 3, PATH, 'SGV' )
      SXV = LSAMEN( 3, PATH, 'SXV' )
      SSB = LSAMEN( 3, PATH, 'SSB' )
      SBB = LSAMEN( 3, PATH, 'SBB' )
      GLM = LSAMEN( 3, PATH, 'GLM' )
      GQR = LSAMEN( 3, PATH, 'GQR' ) .OR. LSAMEN( 3, PATH, 'GRQ' )
      GSV = LSAMEN( 3, PATH, 'GSV' )
      LSE = LSAMEN( 3, PATH, 'LSE' )
      SBL = LSAMEN( 3, PATH, 'SBL' )
      SBK = LSAMEN( 3, PATH, 'SBK' )
      SGL = LSAMEN( 3, PATH, 'SGL' )
      SGK = LSAMEN( 3, PATH, 'SGK' )
*
*     Report values of parameters.