343 lines
10 KiB
Fortran
343 lines
10 KiB
Fortran
*> \brief \b CERRSY
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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 CERRSY( 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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*> CERRSY tests the error exits for the COMPLEX routines
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*> for symmetric indefinite matrices.
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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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*> \date April 2012
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*
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*> \ingroup complex_lin
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*
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* =====================================================================
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SUBROUTINE CERRSY( PATH, NUNIT )
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*
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* -- LAPACK test routine (version 3.4.1) --
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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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* April 2012
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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 = 4 )
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* ..
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* .. Local Scalars ..
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CHARACTER*2 C2
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INTEGER I, INFO, J
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REAL ANRM, RCOND
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* ..
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* .. Local Arrays ..
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INTEGER IP( NMAX )
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REAL R( NMAX ), R1( NMAX ), R2( NMAX )
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COMPLEX A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
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$ W( 2*NMAX ), X( 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, CSPCON, CSPRFS, CSPTRF, CSPTRI,
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$ CSPTRS, CSYCON, CSYRFS, CSYTF2, CSYTRF, CSYTRI,
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$ CSYTRI2, CSYTRS
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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, REAL
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* ..
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* .. Executable Statements ..
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*
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NOUT = NUNIT
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WRITE( NOUT, FMT = * )
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C2 = PATH( 2: 3 )
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*
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* Set the variables to innocuous values.
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*
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DO 20 J = 1, NMAX
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DO 10 I = 1, NMAX
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A( I, J ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
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AF( I, J ) = CMPLX( 1. / REAL( I+J ), -1. / REAL( I+J ) )
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10 CONTINUE
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B( J ) = 0.
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R1( J ) = 0.
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R2( J ) = 0.
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W( J ) = 0.
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X( J ) = 0.
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IP( J ) = J
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20 CONTINUE
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ANRM = 1.0
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OK = .TRUE.
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*
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IF( LSAMEN( 2, C2, 'SY' ) ) THEN
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*
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* Test error exits of the routines that use factorization
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* of a symmetric indefinite matrix with patrial
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* (Bunch-Kaufman) pivoting.
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*
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* CSYTRF
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*
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SRNAMT = 'CSYTRF'
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INFOT = 1
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CALL CSYTRF( '/', 0, A, 1, IP, W, 1, INFO )
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CALL CHKXER( 'CSYTRF', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSYTRF( 'U', -1, A, 1, IP, W, 1, INFO )
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CALL CHKXER( 'CSYTRF', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CSYTRF( 'U', 2, A, 1, IP, W, 4, INFO )
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CALL CHKXER( 'CSYTRF', INFOT, NOUT, LERR, OK )
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*
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* CSYTF2
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*
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SRNAMT = 'CSYTF2'
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INFOT = 1
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CALL CSYTF2( '/', 0, A, 1, IP, INFO )
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CALL CHKXER( 'CSYTF2', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSYTF2( 'U', -1, A, 1, IP, INFO )
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CALL CHKXER( 'CSYTF2', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CSYTF2( 'U', 2, A, 1, IP, INFO )
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CALL CHKXER( 'CSYTF2', INFOT, NOUT, LERR, OK )
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*
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* CSYTRI
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*
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SRNAMT = 'CSYTRI'
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INFOT = 1
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CALL CSYTRI( '/', 0, A, 1, IP, W, INFO )
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CALL CHKXER( 'CSYTRI', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSYTRI( 'U', -1, A, 1, IP, W, INFO )
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CALL CHKXER( 'CSYTRI', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CSYTRI( 'U', 2, A, 1, IP, W, INFO )
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CALL CHKXER( 'CSYTRI', INFOT, NOUT, LERR, OK )
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*
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* CSYTRI2
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*
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SRNAMT = 'CSYTRI2'
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INFOT = 1
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CALL CSYTRI2( '/', 0, A, 1, IP, W, 1, INFO )
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CALL CHKXER( 'CSYTRI2', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSYTRI2( 'U', -1, A, 1, IP, W, 1, INFO )
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CALL CHKXER( 'CSYTRI2', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CSYTRI2( 'U', 2, A, 1, IP, W, 1, INFO )
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CALL CHKXER( 'CSYTRI2', INFOT, NOUT, LERR, OK )
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*
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* CSYTRS
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*
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SRNAMT = 'CSYTRS'
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INFOT = 1
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CALL CSYTRS( '/', 0, 0, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSYTRS( 'U', -1, 0, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CSYTRS( 'U', 0, -1, A, 1, IP, B, 1, INFO )
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CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL CSYTRS( 'U', 2, 1, A, 1, IP, B, 2, INFO )
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CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL CSYTRS( 'U', 2, 1, A, 2, IP, B, 1, INFO )
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CALL CHKXER( 'CSYTRS', INFOT, NOUT, LERR, OK )
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*
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* CSYRFS
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*
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SRNAMT = 'CSYRFS'
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INFOT = 1
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CALL CSYRFS( '/', 0, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2, W,
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$ R, INFO )
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CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSYRFS( 'U', -1, 0, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
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$ W, R, INFO )
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CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CSYRFS( 'U', 0, -1, A, 1, AF, 1, IP, B, 1, X, 1, R1, R2,
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$ W, R, INFO )
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CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL CSYRFS( 'U', 2, 1, A, 1, AF, 2, IP, B, 2, X, 2, R1, R2, W,
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$ R, INFO )
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CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL CSYRFS( 'U', 2, 1, A, 2, AF, 1, IP, B, 2, X, 2, R1, R2, W,
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$ R, INFO )
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CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
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INFOT = 10
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CALL CSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 1, X, 2, R1, R2, W,
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$ R, INFO )
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CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
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INFOT = 12
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CALL CSYRFS( 'U', 2, 1, A, 2, AF, 2, IP, B, 2, X, 1, R1, R2, W,
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$ R, INFO )
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CALL CHKXER( 'CSYRFS', INFOT, NOUT, LERR, OK )
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*
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* CSYCON
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*
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SRNAMT = 'CSYCON'
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INFOT = 1
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CALL CSYCON( '/', 0, A, 1, IP, ANRM, RCOND, W, INFO )
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CALL CHKXER( 'CSYCON', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSYCON( 'U', -1, A, 1, IP, ANRM, RCOND, W, INFO )
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CALL CHKXER( 'CSYCON', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL CSYCON( 'U', 2, A, 1, IP, ANRM, RCOND, W, INFO )
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CALL CHKXER( 'CSYCON', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL CSYCON( 'U', 1, A, 1, IP, -ANRM, RCOND, W, INFO )
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CALL CHKXER( 'CSYCON', INFOT, NOUT, LERR, OK )
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*
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ELSE IF( LSAMEN( 2, C2, 'SP' ) ) THEN
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*
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* Test error exits of the routines that use factorization
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* of a symmetric indefinite packed matrix with patrial
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* (Bunch-Kaufman) pivoting.
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*
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* CSPTRF
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*
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SRNAMT = 'CSPTRF'
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INFOT = 1
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CALL CSPTRF( '/', 0, A, IP, INFO )
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CALL CHKXER( 'CSPTRF', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSPTRF( 'U', -1, A, IP, INFO )
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CALL CHKXER( 'CSPTRF', INFOT, NOUT, LERR, OK )
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*
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* CSPTRI
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*
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SRNAMT = 'CSPTRI'
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INFOT = 1
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CALL CSPTRI( '/', 0, A, IP, W, INFO )
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CALL CHKXER( 'CSPTRI', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSPTRI( 'U', -1, A, IP, W, INFO )
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CALL CHKXER( 'CSPTRI', INFOT, NOUT, LERR, OK )
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*
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* CSPTRS
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*
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SRNAMT = 'CSPTRS'
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INFOT = 1
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CALL CSPTRS( '/', 0, 0, A, IP, B, 1, INFO )
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CALL CHKXER( 'CSPTRS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSPTRS( 'U', -1, 0, A, IP, B, 1, INFO )
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CALL CHKXER( 'CSPTRS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CSPTRS( 'U', 0, -1, A, IP, B, 1, INFO )
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CALL CHKXER( 'CSPTRS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL CSPTRS( 'U', 2, 1, A, IP, B, 1, INFO )
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CALL CHKXER( 'CSPTRS', INFOT, NOUT, LERR, OK )
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*
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* CSPRFS
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*
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SRNAMT = 'CSPRFS'
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INFOT = 1
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CALL CSPRFS( '/', 0, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
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$ INFO )
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CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSPRFS( 'U', -1, 0, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
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$ INFO )
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CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL CSPRFS( 'U', 0, -1, A, AF, IP, B, 1, X, 1, R1, R2, W, R,
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$ INFO )
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CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
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INFOT = 8
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CALL CSPRFS( 'U', 2, 1, A, AF, IP, B, 1, X, 2, R1, R2, W, R,
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$ INFO )
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CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
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INFOT = 10
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CALL CSPRFS( 'U', 2, 1, A, AF, IP, B, 2, X, 1, R1, R2, W, R,
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$ INFO )
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CALL CHKXER( 'CSPRFS', INFOT, NOUT, LERR, OK )
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*
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* CSPCON
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*
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SRNAMT = 'CSPCON'
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INFOT = 1
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CALL CSPCON( '/', 0, A, IP, ANRM, RCOND, W, INFO )
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CALL CHKXER( 'CSPCON', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL CSPCON( 'U', -1, A, IP, ANRM, RCOND, W, INFO )
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CALL CHKXER( 'CSPCON', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL CSPCON( 'U', 1, A, IP, -ANRM, RCOND, W, INFO )
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CALL CHKXER( 'CSPCON', 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 CERRSY
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*
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END
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