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SUBROUTINE ZERRAB( NUNIT )
*
* -- LAPACK test routine (version 3.1.1) --
* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd..
* January 2007
*
* .. Scalar Arguments ..
INTEGER NUNIT
* ..
*
* Purpose
* =======
*
* DERRAB tests the error exits for ZCGESV.
*
* Arguments
* =========
*
* NUNIT (input) INTEGER
* The unit number for output.
*
* =====================================================================
*
* .. Parameters ..
INTEGER NMAX
PARAMETER ( NMAX = 4 )
* ..
* .. Local Scalars ..
INTEGER I, INFO, ITER, J
* ..
* .. Local Arrays ..
INTEGER IP( NMAX )
COMPLEX*16 A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
$ C( NMAX ), R( NMAX ), R1( NMAX ), R2( NMAX ),
$ W( 2*NMAX ), X( NMAX )
COMPLEX*16 WORK(1)
COMPLEX SWORK(1)
DOUBLE PRECISION RWORK(1)
* ..
* .. External Functions ..
* ..
* .. External Subroutines ..
EXTERNAL CHKXER, ZCGESV
* ..
* .. Scalars in Common ..
LOGICAL LERR, OK
CHARACTER*32 SRNAMT
INTEGER INFOT, NOUT
* ..
* .. Common blocks ..
COMMON / INFOC / INFOT, NOUT, OK, LERR
COMMON / SRNAMC / SRNAMT
* ..
* .. Intrinsic Functions ..
INTRINSIC DBLE
* ..
* .. Executable Statements ..
*
NOUT = NUNIT
WRITE( NOUT, FMT = * )
*
* Set the variables to innocuous values.
*
DO 20 J = 1, NMAX
DO 10 I = 1, NMAX
A( I, J ) = 1.D0 / DBLE( I+J )
AF( I, J ) = 1.D0 / DBLE( I+J )
10 CONTINUE
B( J ) = 0.D0
R1( J ) = 0.D0
R2( J ) = 0.D0
W( J ) = 0.D0
X( J ) = 0.D0
C( J ) = 0.D0
R( J ) = 0.D0
IP( J ) = J
20 CONTINUE
OK = .TRUE.
*
SRNAMT = 'ZCGESV'
INFOT = 1
CALL ZCGESV(-1,0,A,1,IP,B,1,X,1,WORK,SWORK,RWORK,ITER,INFO)
CALL CHKXER( 'ZCGESV', INFOT, NOUT, LERR, OK )
INFOT = 2
CALL ZCGESV(0,-1,A,1,IP,B,1,X,1,WORK,SWORK,RWORK,ITER,INFO)
CALL CHKXER( 'ZCGESV', INFOT, NOUT, LERR, OK )
INFOT = 4
CALL ZCGESV(2,1,A,1,IP,B,2,X,2,WORK,SWORK,RWORK,ITER,INFO)
CALL CHKXER( 'ZCGESV', INFOT, NOUT, LERR, OK )
INFOT = 7
CALL ZCGESV(2,1,A,2,IP,B,1,X,2,WORK,SWORK,RWORK,ITER,INFO)
CALL CHKXER( 'ZCGESV', INFOT, NOUT, LERR, OK )
INFOT = 9
CALL ZCGESV(2,1,A,2,IP,B,2,X,1,WORK,SWORK,RWORK,ITER,INFO)
CALL CHKXER( 'ZCGESV', INFOT, NOUT, LERR, OK )
*
* Print a summary line.
*
IF( OK ) THEN
WRITE( NOUT, FMT = 9999 )'ZCGESV'
ELSE
WRITE( NOUT, FMT = 9998 )'ZCGESV'
END IF
*
9999 FORMAT( 1X, A6, ' drivers passed the tests of the error exits' )
9998 FORMAT( ' *** ', A6, ' drivers failed the tests of the error ',
$ 'exits ***' )
*
RETURN
*
* End of ZERRAB
*
END
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