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142 lines
3.4 KiB
142 lines
3.4 KiB
2 years ago
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*> \brief \b CERRTZ
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*
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* =========== DOCUMENTATION ===========
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*
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* Online html documentation available at
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* http://www.netlib.org/lapack/explore-html/
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*
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* Definition:
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* ===========
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*
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* SUBROUTINE CERRTZ( PATH, NUNIT )
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*
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* .. Scalar Arguments ..
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* CHARACTER*3 PATH
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* INTEGER NUNIT
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* ..
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*
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*
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*> \par Purpose:
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* =============
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*>
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*> \verbatim
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*>
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*> CERRTZ tests the error exits for CTZRZF.
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*> \endverbatim
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*
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* Arguments:
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* ==========
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*
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*> \param[in] PATH
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*> \verbatim
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*> PATH is CHARACTER*3
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*> The LAPACK path name for the routines to be tested.
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*> \endverbatim
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*>
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*> \param[in] NUNIT
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*> \verbatim
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*> NUNIT is INTEGER
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*> The unit number for output.
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*> \endverbatim
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*
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* Authors:
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* ========
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*
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*> \author Univ. of Tennessee
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*> \author Univ. of California Berkeley
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*> \author Univ. of Colorado Denver
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*> \author NAG Ltd.
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*
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*> \ingroup complex_lin
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*
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* =====================================================================
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SUBROUTINE CERRTZ( PATH, NUNIT )
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*
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* -- LAPACK test routine --
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* -- LAPACK is a software package provided by Univ. of Tennessee, --
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* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
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*
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* .. Scalar Arguments ..
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CHARACTER*3 PATH
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INTEGER NUNIT
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* ..
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*
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* =====================================================================
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*
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* .. Parameters ..
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INTEGER NMAX
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PARAMETER ( NMAX = 2 )
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* ..
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* .. Local Scalars ..
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CHARACTER*2 C2
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INTEGER INFO
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* ..
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* .. Local Arrays ..
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COMPLEX A( NMAX, NMAX ), TAU( NMAX ), W( NMAX )
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* ..
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* .. External Functions ..
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LOGICAL LSAMEN
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EXTERNAL LSAMEN
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* ..
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* .. External Subroutines ..
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EXTERNAL ALAESM, CHKXER, CTZRZF
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* ..
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* .. Scalars in Common ..
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LOGICAL LERR, OK
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CHARACTER*32 SRNAMT
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INTEGER INFOT, NOUT
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* ..
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* .. Common blocks ..
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COMMON / INFOC / INFOT, NOUT, OK, LERR
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COMMON / SRNAMC / SRNAMT
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* ..
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* .. Intrinsic Functions ..
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INTRINSIC CMPLX
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* ..
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* .. Executable Statements ..
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*
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NOUT = NUNIT
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C2 = PATH( 2: 3 )
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A( 1, 1 ) = CMPLX( 1.E+0, -1.E+0 )
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A( 1, 2 ) = CMPLX( 2.E+0, -2.E+0 )
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A( 2, 2 ) = CMPLX( 3.E+0, -3.E+0 )
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A( 2, 1 ) = CMPLX( 4.E+0, -4.E+0 )
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W( 1 ) = CMPLX( 0.E+0, 0.E+0 )
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W( 2 ) = CMPLX( 0.E+0, 0.E+0 )
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OK = .TRUE.
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*
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* Test error exits for the trapezoidal routines.
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*
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WRITE( NOUT, FMT = * )
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IF( LSAMEN( 2, C2, 'TZ' ) ) THEN
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*
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* CTZRZF
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*
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SRNAMT = 'CTZRZF'
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INFOT = 1
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CALL CTZRZF( -1, 0, A, 1, TAU, W, 1, INFO )
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CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CTZRZF( 1, 0, A, 1, TAU, W, 1, INFO )
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CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CTZRZF( 2, 2, A, 1, TAU, W, 1, INFO )
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CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL CTZRZF( 2, 2, A, 2, TAU, W, 0, INFO )
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CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL CTZRZF( 2, 3, A, 2, TAU, W, 1, INFO )
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CALL CHKXER( 'CTZRZF', INFOT, NOUT, LERR, OK )
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END IF
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*
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* Print a summary line.
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*
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CALL ALAESM( PATH, OK, NOUT )
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*
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RETURN
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*
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* End of CERRTZ
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*
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END
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