.TH "TESTING/LIN/schkgb.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*-
.ad l
.nh
.SH NAME
TESTING/LIN/schkgb.f
.SH SYNOPSIS
.br
.PP
.SS "Functions/Subroutines"

.in +1c
.ti -1c
.RI "subroutine \fBschkgb\fP (dotype, nm, mval, nn, nval, nnb, nbval, nns, nsval, thresh, tsterr, a, la, afac, lafac, b, x, xact, work, rwork, iwork, nout)"
.br
.RI "\fBSCHKGB\fP "
.in -1c
.SH "Function/Subroutine Documentation"
.PP 
.SS "subroutine schkgb (logical, dimension( * ) dotype, integer nm, integer, dimension( * ) mval, integer nn, integer, dimension( * ) nval, integer nnb, integer, dimension( * ) nbval, integer nns, integer, dimension( * ) nsval, real thresh, logical tsterr, real, dimension( * ) a, integer la, real, dimension( * ) afac, integer lafac, real, dimension( * ) b, real, dimension( * ) x, real, dimension( * ) xact, real, dimension( * ) work, real, dimension( * ) rwork, integer, dimension( * ) iwork, integer nout)"

.PP
\fBSCHKGB\fP 
.PP
\fBPurpose:\fP
.RS 4

.PP
.nf
 SCHKGB tests SGBTRF, -TRS, -RFS, and -CON
.fi
.PP
 
.RE
.PP
\fBParameters\fP
.RS 4
\fIDOTYPE\fP 
.PP
.nf
          DOTYPE is LOGICAL array, dimension (NTYPES)
          The matrix types to be used for testing\&.  Matrices of type j
          (for 1 <= j <= NTYPES) are used for testing if DOTYPE(j) =
          \&.TRUE\&.; if DOTYPE(j) = \&.FALSE\&., then type j is not used\&.
.fi
.PP
.br
\fINM\fP 
.PP
.nf
          NM is INTEGER
          The number of values of M contained in the vector MVAL\&.
.fi
.PP
.br
\fIMVAL\fP 
.PP
.nf
          MVAL is INTEGER array, dimension (NM)
          The values of the matrix row dimension M\&.
.fi
.PP
.br
\fINN\fP 
.PP
.nf
          NN is INTEGER
          The number of values of N contained in the vector NVAL\&.
.fi
.PP
.br
\fINVAL\fP 
.PP
.nf
          NVAL is INTEGER array, dimension (NN)
          The values of the matrix column dimension N\&.
.fi
.PP
.br
\fINNB\fP 
.PP
.nf
          NNB is INTEGER
          The number of values of NB contained in the vector NBVAL\&.
.fi
.PP
.br
\fINBVAL\fP 
.PP
.nf
          NBVAL is INTEGER array, dimension (NNB)
          The values of the blocksize NB\&.
.fi
.PP
.br
\fINNS\fP 
.PP
.nf
          NNS is INTEGER
          The number of values of NRHS contained in the vector NSVAL\&.
.fi
.PP
.br
\fINSVAL\fP 
.PP
.nf
          NSVAL is INTEGER array, dimension (NNS)
          The values of the number of right hand sides NRHS\&.
.fi
.PP
.br
\fITHRESH\fP 
.PP
.nf
          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\&.
.fi
.PP
.br
\fITSTERR\fP 
.PP
.nf
          TSTERR is LOGICAL
          Flag that indicates whether error exits are to be tested\&.
.fi
.PP
.br
\fIA\fP 
.PP
.nf
          A is REAL array, dimension (LA)
.fi
.PP
.br
\fILA\fP 
.PP
.nf
          LA is INTEGER
          The length of the array A\&.  LA >= (KLMAX+KUMAX+1)*NMAX
          where KLMAX is the largest entry in the local array KLVAL,
                KUMAX is the largest entry in the local array KUVAL and
                NMAX is the largest entry in the input array NVAL\&.
.fi
.PP
.br
\fIAFAC\fP 
.PP
.nf
          AFAC is REAL array, dimension (LAFAC)
.fi
.PP
.br
\fILAFAC\fP 
.PP
.nf
          LAFAC is INTEGER
          The length of the array AFAC\&. LAFAC >= (2*KLMAX+KUMAX+1)*NMAX
          where KLMAX is the largest entry in the local array KLVAL,
                KUMAX is the largest entry in the local array KUVAL and
                NMAX is the largest entry in the input array NVAL\&.
.fi
.PP
.br
\fIB\fP 
.PP
.nf
          B is REAL array, dimension (NMAX*NSMAX)
          where NSMAX is the largest entry in NSVAL\&.
.fi
.PP
.br
\fIX\fP 
.PP
.nf
          X is REAL array, dimension (NMAX*NSMAX)
.fi
.PP
.br
\fIXACT\fP 
.PP
.nf
          XACT is REAL array, dimension (NMAX*NSMAX)
.fi
.PP
.br
\fIWORK\fP 
.PP
.nf
          WORK is REAL array, dimension
                      (NMAX*max(3,NSMAX,NMAX))
.fi
.PP
.br
\fIRWORK\fP 
.PP
.nf
          RWORK is REAL array, dimension
                      (NMAX+2*NSMAX)
.fi
.PP
.br
\fIIWORK\fP 
.PP
.nf
          IWORK is INTEGER array, dimension (2*NMAX)
.fi
.PP
.br
\fINOUT\fP 
.PP
.nf
          NOUT is INTEGER
          The unit number for output\&.
.fi
.PP
 
.RE
.PP
\fBAuthor\fP
.RS 4
Univ\&. of Tennessee 
.PP
Univ\&. of California Berkeley 
.PP
Univ\&. of Colorado Denver 
.PP
NAG Ltd\&. 
.RE
.PP

.PP
Definition at line \fB188\fP of file \fBschkgb\&.f\fP\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.