*> \brief \b DERRAC * * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * SUBROUTINE DERRAC( NUNIT ) * * .. Scalar Arguments .. * INTEGER NUNIT * .. * * *> \par Purpose: * ============= *> *> \verbatim *> *> DERRAC tests the error exits for DSPOSV. *> \endverbatim * * Arguments: * ========== * *> \param[in] NUNIT *> \verbatim *> NUNIT is INTEGER *> The unit number for output. *> \endverbatim * * Authors: * ======== * *> \author Univ. of Tennessee *> \author Univ. of California Berkeley *> \author Univ. of Colorado Denver *> \author NAG Ltd. * *> \date December 2016 * *> \ingroup double_lin * * ===================================================================== SUBROUTINE DERRAC( NUNIT ) * * -- LAPACK test routine (version 3.7.0) -- * -- LAPACK is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * December 2016 * * .. Scalar Arguments .. INTEGER NUNIT * .. * * ===================================================================== * * .. Parameters .. INTEGER NMAX PARAMETER ( NMAX = 4 ) * .. * .. Local Scalars .. INTEGER I, INFO, ITER, J * .. * .. Local Arrays .. DOUBLE PRECISION A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ), $ C( NMAX ), R( NMAX ), R1( NMAX ), R2( NMAX ), $ W( 2*NMAX ), X( NMAX ) DOUBLE PRECISION WORK(NMAX*NMAX) REAL SWORK(NMAX*NMAX) * .. * .. External Subroutines .. EXTERNAL CHKXER, DSPOSV * .. * .. 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 20 CONTINUE OK = .TRUE. * SRNAMT = 'DSPOSV' INFOT = 1 CALL DSPOSV('/',0,0,A,1,B,1,X,1,WORK,SWORK,ITER,INFO) CALL CHKXER( 'DSPOSV', INFOT, NOUT, LERR, OK ) INFOT = 2 CALL DSPOSV('U',-1,0,A,1,B,1,X,1,WORK,SWORK,ITER,INFO) CALL CHKXER( 'DSPOSV', INFOT, NOUT, LERR, OK ) INFOT = 3 CALL DSPOSV('U',0,-1,A,1,B,1,X,1,WORK,SWORK,ITER,INFO) CALL CHKXER( 'DSPOSV', INFOT, NOUT, LERR, OK ) INFOT = 5 CALL DSPOSV('U',2,1,A,1,B,2,X,2,WORK,SWORK,ITER,INFO) CALL CHKXER( 'DSPOSV', INFOT, NOUT, LERR, OK ) INFOT = 7 CALL DSPOSV('U',2,1,A,2,B,1,X,2,WORK,SWORK,ITER,INFO) CALL CHKXER( 'DSPOSV', INFOT, NOUT, LERR, OK ) INFOT = 9 CALL DSPOSV('U',2,1,A,2,B,2,X,1,WORK,SWORK,ITER,INFO) CALL CHKXER( 'DSPOSV', INFOT, NOUT, LERR, OK ) * * Print a summary line. * IF( OK ) THEN WRITE( NOUT, FMT = 9999 )'DSPOSV' ELSE WRITE( NOUT, FMT = 9998 )'DSPOSV' 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 DERRAC * END