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

.in +1c
.ti -1c
.RI "subroutine \fBdchkrq\fP (dotype, nm, mval, nn, nval, nnb, nbval, nxval, nrhs, thresh, tsterr, nmax, a, af, aq, ar, ac, b, x, xact, tau, work, rwork, iwork, nout)"
.br
.RI "\fBDCHKRQ\fP "
.in -1c
.SH "Function/Subroutine Documentation"
.PP 
.SS "subroutine dchkrq (logical, dimension( * ) dotype, integer nm, integer, dimension( * ) mval, integer nn, integer, dimension( * ) nval, integer nnb, integer, dimension( * ) nbval, integer, dimension( * ) nxval, integer nrhs, double precision thresh, logical tsterr, integer nmax, double precision, dimension( * ) a, double precision, dimension( * ) af, double precision, dimension( * ) aq, double precision, dimension( * ) ar, double precision, dimension( * ) ac, double precision, dimension( * ) b, double precision, dimension( * ) x, double precision, dimension( * ) xact, double precision, dimension( * ) tau, double precision, dimension( * ) work, double precision, dimension( * ) rwork, integer, dimension( * ) iwork, integer nout)"

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

.PP
.nf
 DCHKRQ tests DGERQF, DORGRQ and DORMRQ\&.
.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 and NX contained in the
          vectors NBVAL and NXVAL\&.  The blocking parameters are used
          in pairs (NB,NX)\&.
.fi
.PP
.br
\fINBVAL\fP 
.PP
.nf
          NBVAL is INTEGER array, dimension (NNB)
          The values of the blocksize NB\&.
.fi
.PP
.br
\fINXVAL\fP 
.PP
.nf
          NXVAL is INTEGER array, dimension (NNB)
          The values of the crossover point NX\&.
.fi
.PP
.br
\fINRHS\fP 
.PP
.nf
          NRHS is INTEGER
          The number of right hand side vectors to be generated for
          each linear system\&.
.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 maximum value permitted for M or N, used in dimensioning
          the work arrays\&.
.fi
.PP
.br
\fIA\fP 
.PP
.nf
          A is DOUBLE PRECISION array, dimension (NMAX*NMAX)
.fi
.PP
.br
\fIAF\fP 
.PP
.nf
          AF is DOUBLE PRECISION array, dimension (NMAX*NMAX)
.fi
.PP
.br
\fIAQ\fP 
.PP
.nf
          AQ is DOUBLE PRECISION array, dimension (NMAX*NMAX)
.fi
.PP
.br
\fIAR\fP 
.PP
.nf
          AR is DOUBLE PRECISION array, dimension (NMAX*NMAX)
.fi
.PP
.br
\fIAC\fP 
.PP
.nf
          AC is DOUBLE PRECISION array, dimension (NMAX*NMAX)
.fi
.PP
.br
\fIB\fP 
.PP
.nf
          B is DOUBLE PRECISION array, dimension (NMAX*NRHS)
.fi
.PP
.br
\fIX\fP 
.PP
.nf
          X is DOUBLE PRECISION array, dimension (NMAX*NRHS)
.fi
.PP
.br
\fIXACT\fP 
.PP
.nf
          XACT is DOUBLE PRECISION array, dimension (NMAX*NRHS)
.fi
.PP
.br
\fITAU\fP 
.PP
.nf
          TAU is DOUBLE PRECISION array, dimension (NMAX)
.fi
.PP
.br
\fIWORK\fP 
.PP
.nf
          WORK is DOUBLE PRECISION array, dimension (NMAX*NMAX)
.fi
.PP
.br
\fIRWORK\fP 
.PP
.nf
          RWORK is DOUBLE PRECISION array, dimension (NMAX)
.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 \fB198\fP of file \fBdchkrq\&.f\fP\&.
.SH "Author"
.PP 
Generated automatically by Doxygen for LAPACK from the source code\&.