TESTING/EIG/sckgqr.f(3)    Library Functions Manual    TESTING/EIG/sckgqr.f(3)

NAME
       TESTING/EIG/sckgqr.f

SYNOPSIS
   Functions/Subroutines
       subroutine sckgqr (nm, mval, np, pval, nn, nval, nmats, iseed, thresh,
           nmax, a, af, aq, ar, taua, b, bf, bz, bt, bwk, taub, work, rwork,
           nin, nout, info)
           SCKGQR

Function/Subroutine Documentation
   subroutine sckgqr (integer nm, integer, dimension( * ) mval, integer np,
       integer, dimension( * ) pval, integer nn, integer, dimension( * ) nval,
       integer nmats, integer, dimension( 4 ) iseed, real thresh, integer
       nmax, real, dimension( * ) a, real, dimension( * ) af, real, dimension(
       * ) aq, real, dimension( * ) ar, real, dimension( * ) taua, real,
       dimension( * ) b, real, dimension( * ) bf, real, dimension( * ) bz,
       real, dimension( * ) bt, real, dimension( * ) bwk, real, dimension( * )
       taub, real, dimension( * ) work, real, dimension( * ) rwork, integer
       nin, integer nout, integer info)
       SCKGQR

       Purpose:


            SCKGQR tests
            SGGQRF: GQR factorization for N-by-M matrix A and N-by-P matrix B,
            SGGRQF: GRQ factorization for M-by-N matrix A and P-by-N matrix B.

       Parameters
           NM

                     NM is INTEGER
                     The number of values of M contained in the vector MVAL.

           MVAL

                     MVAL is INTEGER array, dimension (NM)
                     The values of the matrix row(column) dimension M.

           NP

                     NP is INTEGER
                     The number of values of P contained in the vector PVAL.

           PVAL

                     PVAL is INTEGER array, dimension (NP)
                     The values of the matrix row(column) dimension P.

           NN

                     NN is INTEGER
                     The number of values of N contained in the vector NVAL.

           NVAL

                     NVAL is INTEGER array, dimension (NN)
                     The values of the matrix column(row) dimension N.

           NMATS

                     NMATS is INTEGER
                     The number of matrix types to be tested for each combination
                     of matrix dimensions.  If NMATS >= NTYPES (the maximum
                     number of matrix types), then all the different types are
                     generated for testing.  If NMATS < NTYPES, another input line
                     is read to get the numbers of the matrix types to be used.

           ISEED

                     ISEED is INTEGER array, dimension (4)
                     On entry, the seed of the random number generator.  The array
                     elements should be between 0 and 4095, otherwise they will be
                     reduced mod 4096, and ISEED(4) must be odd.
                     On exit, the next seed in the random number sequence after
                     all the test matrices have been generated.

           THRESH

                     THRESH is REAL
                     The threshold value for the test ratios.  A result is
                     included in the output file if RESULT >= THRESH.  To have
                     every test ratio printed, use THRESH = 0.

           NMAX

                     NMAX is INTEGER
                     The maximum value permitted for M or N, used in dimensioning
                     the work arrays.

           A

                     A is REAL array, dimension (NMAX*NMAX)

           AF

                     AF is REAL array, dimension (NMAX*NMAX)

           AQ

                     AQ is REAL array, dimension (NMAX*NMAX)

           AR

                     AR is REAL array, dimension (NMAX*NMAX)

           TAUA

                     TAUA is REAL array, dimension (NMAX)

           B

                     B is REAL array, dimension (NMAX*NMAX)

           BF

                     BF is REAL array, dimension (NMAX*NMAX)

           BZ

                     BZ is REAL array, dimension (NMAX*NMAX)

           BT

                     BT is REAL array, dimension (NMAX*NMAX)

           BWK

                     BWK is REAL array, dimension (NMAX*NMAX)

           TAUB

                     TAUB is REAL array, dimension (NMAX)

           WORK

                     WORK is REAL array, dimension (NMAX*NMAX)

           RWORK

                     RWORK is REAL array, dimension (NMAX)

           NIN

                     NIN is INTEGER
                     The unit number for input.

           NOUT

                     NOUT is INTEGER
                     The unit number for output.

           INFO

                     INFO is INTEGER
                     = 0 :  successful exit
                     > 0 :  If SLATMS returns an error code, the absolute value
                            of it is returned.

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Definition at line 207 of file sckgqr.f.

Author
       Generated automatically by Doxygen for LAPACK from the source code.

LAPACK                          Version 3.12.0         TESTING/EIG/sckgqr.f(3)