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

.in +1c
.ti -1c
.RI "subroutine \fBdchktb\fP (dotype, nn, nval, nns, nsval, thresh, tsterr, nmax, ab, ainv, b, x, xact, work, rwork, iwork, nout)"
.br
.RI "\fBDCHKTB\fP "
.in -1c
.SH "Function/Subroutine Documentation"
.PP 
.SS "subroutine dchktb (logical, dimension( * ) dotype, integer nn, integer, dimension( * ) nval, integer nns, integer, dimension( * ) nsval, double precision thresh, logical tsterr, integer nmax, double precision, dimension( * ) ab, double precision, dimension( * ) ainv, double precision, dimension( * ) b, double precision, dimension( * ) x, double precision, dimension( * ) xact, double precision, dimension( * ) work, double precision, dimension( * ) rwork, integer, dimension( * ) iwork, integer nout)"

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

.PP
.nf
 DCHKTB tests DTBTRS, -RFS, and -CON, and DLATBS\&.
.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
\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
\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 DOUBLE PRECISION
          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
\fINMAX\fP 
.PP
.nf
          NMAX is INTEGER
          The leading dimension of the work arrays\&.
          NMAX >= the maximum value of N in NVAL\&.
.fi
.PP
.br
\fIAB\fP 
.PP
.nf
          AB is DOUBLE PRECISION array, dimension (NMAX*NMAX)
.fi
.PP
.br
\fIAINV\fP 
.PP
.nf
          AINV is DOUBLE PRECISION array, dimension (NMAX*NMAX)
.fi
.PP
.br
\fIB\fP 
.PP
.nf
          B is DOUBLE PRECISION array, dimension (NMAX*NSMAX)
          where NSMAX is the largest entry in NSVAL\&.
.fi
.PP
.br
\fIX\fP 
.PP
.nf
          X is DOUBLE PRECISION array, dimension (NMAX*NSMAX)
.fi
.PP
.br
\fIXACT\fP 
.PP
.nf
          XACT is DOUBLE PRECISION array, dimension (NMAX*NSMAX)
.fi
.PP
.br
\fIWORK\fP 
.PP
.nf
          WORK is DOUBLE PRECISION array, dimension
                      (NMAX*max(3,NSMAX))
.fi
.PP
.br
\fIRWORK\fP 
.PP
.nf
          RWORK is DOUBLE PRECISION array, dimension
                      (max(NMAX,2*NSMAX))
.fi
.PP
.br
\fIIWORK\fP 
.PP
.nf
          IWORK is INTEGER array, dimension (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 \fB152\fP of file \fBdchktb\&.f\fP\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.