You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
141 lines
3.4 KiB
141 lines
3.4 KiB
*> \brief \b ZERRTZ
|
|
*
|
|
* =========== DOCUMENTATION ===========
|
|
*
|
|
* Online html documentation available at
|
|
* http://www.netlib.org/lapack/explore-html/
|
|
*
|
|
* Definition:
|
|
* ===========
|
|
*
|
|
* SUBROUTINE ZERRTZ( PATH, NUNIT )
|
|
*
|
|
* .. Scalar Arguments ..
|
|
* CHARACTER*3 PATH
|
|
* INTEGER NUNIT
|
|
* ..
|
|
*
|
|
*
|
|
*> \par Purpose:
|
|
* =============
|
|
*>
|
|
*> \verbatim
|
|
*>
|
|
*> ZERRTZ tests the error exits for ZTZRZF.
|
|
*> \endverbatim
|
|
*
|
|
* Arguments:
|
|
* ==========
|
|
*
|
|
*> \param[in] PATH
|
|
*> \verbatim
|
|
*> PATH is CHARACTER*3
|
|
*> The LAPACK path name for the routines to be tested.
|
|
*> \endverbatim
|
|
*>
|
|
*> \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.
|
|
*
|
|
*> \ingroup complex16_lin
|
|
*
|
|
* =====================================================================
|
|
SUBROUTINE ZERRTZ( PATH, NUNIT )
|
|
*
|
|
* -- LAPACK test routine --
|
|
* -- LAPACK is a software package provided by Univ. of Tennessee, --
|
|
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
|
|
*
|
|
* .. Scalar Arguments ..
|
|
CHARACTER*3 PATH
|
|
INTEGER NUNIT
|
|
* ..
|
|
*
|
|
* =====================================================================
|
|
*
|
|
* .. Parameters ..
|
|
INTEGER NMAX
|
|
PARAMETER ( NMAX = 2 )
|
|
* ..
|
|
* .. Local Scalars ..
|
|
CHARACTER*2 C2
|
|
INTEGER INFO
|
|
* ..
|
|
* .. Local Arrays ..
|
|
COMPLEX*16 A( NMAX, NMAX ), TAU( NMAX ), W( NMAX )
|
|
* ..
|
|
* .. External Functions ..
|
|
LOGICAL LSAMEN
|
|
EXTERNAL LSAMEN
|
|
* ..
|
|
* .. External Subroutines ..
|
|
EXTERNAL ALAESM, CHKXER, ZTZRZF
|
|
* ..
|
|
* .. 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 DCMPLX
|
|
* ..
|
|
* .. Executable Statements ..
|
|
*
|
|
NOUT = NUNIT
|
|
C2 = PATH( 2: 3 )
|
|
A( 1, 1 ) = DCMPLX( 1.D+0, -1.D+0 )
|
|
A( 1, 2 ) = DCMPLX( 2.D+0, -2.D+0 )
|
|
A( 2, 2 ) = DCMPLX( 3.D+0, -3.D+0 )
|
|
A( 2, 1 ) = DCMPLX( 4.D+0, -4.D+0 )
|
|
W( 1 ) = DCMPLX( 0.D+0, 0.D+0 )
|
|
W( 2 ) = DCMPLX( 0.D+0, 0.D+0 )
|
|
OK = .TRUE.
|
|
*
|
|
* Test error exits for the trapezoidal routines.
|
|
WRITE( NOUT, FMT = * )
|
|
IF( LSAMEN( 2, C2, 'TZ' ) ) THEN
|
|
*
|
|
*
|
|
* ZTZRZF
|
|
*
|
|
SRNAMT = 'ZTZRZF'
|
|
INFOT = 1
|
|
CALL ZTZRZF( -1, 0, A, 1, TAU, W, 1, INFO )
|
|
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
|
|
INFOT = 2
|
|
CALL ZTZRZF( 1, 0, A, 1, TAU, W, 1, INFO )
|
|
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
|
|
INFOT = 4
|
|
CALL ZTZRZF( 2, 2, A, 1, TAU, W, 1, INFO )
|
|
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
|
|
INFOT = 7
|
|
CALL ZTZRZF( 2, 2, A, 2, TAU, W, 0, INFO )
|
|
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
|
|
INFOT = 7
|
|
CALL ZTZRZF( 2, 3, A, 2, TAU, W, 1, INFO )
|
|
CALL CHKXER( 'ZTZRZF', INFOT, NOUT, LERR, OK )
|
|
END IF
|
|
*
|
|
* Print a summary line.
|
|
*
|
|
CALL ALAESM( PATH, OK, NOUT )
|
|
*
|
|
RETURN
|
|
*
|
|
* End of ZERRTZ
|
|
*
|
|
END
|
|
|