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465 lines
15 KiB
465 lines
15 KiB
2 years ago
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*> \brief \b SERRPO
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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 SERRPO( 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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*> SERRPO tests the error exits for the REAL routines
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*> for symmetric positive definite 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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*> \ingroup single_lin
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*
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* =====================================================================
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SUBROUTINE SERRPO( 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 = 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 IW( NMAX )
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REAL A( NMAX, NMAX ), AF( NMAX, NMAX ), B( NMAX ),
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$ R1( NMAX ), R2( NMAX ), W( 3*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, SPBCON, SPBEQU, SPBRFS, SPBTF2,
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$ SPBTRF, SPBTRS, SPOCON, SPOEQU, SPORFS, SPOTF2,
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$ SPOTRF, SPOTRI, SPOTRS, SPPCON, SPPEQU, SPPRFS,
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$ SPPTRF, SPPTRI, SPPTRS
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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 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 ) = 1. / REAL( I+J )
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AF( 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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IW( J ) = J
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20 CONTINUE
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OK = .TRUE.
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*
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IF( LSAMEN( 2, C2, 'PO' ) ) THEN
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*
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* Test error exits of the routines that use the Cholesky
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* decomposition of a symmetric positive definite matrix.
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*
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* SPOTRF
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*
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SRNAMT = 'SPOTRF'
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INFOT = 1
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CALL SPOTRF( '/', 0, A, 1, INFO )
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CALL CHKXER( 'SPOTRF', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPOTRF( 'U', -1, A, 1, INFO )
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CALL CHKXER( 'SPOTRF', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SPOTRF( 'U', 2, A, 1, INFO )
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CALL CHKXER( 'SPOTRF', INFOT, NOUT, LERR, OK )
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*
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* SPOTF2
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*
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SRNAMT = 'SPOTF2'
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INFOT = 1
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CALL SPOTF2( '/', 0, A, 1, INFO )
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CALL CHKXER( 'SPOTF2', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPOTF2( 'U', -1, A, 1, INFO )
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CALL CHKXER( 'SPOTF2', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SPOTF2( 'U', 2, A, 1, INFO )
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CALL CHKXER( 'SPOTF2', INFOT, NOUT, LERR, OK )
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*
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* SPOTRI
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*
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SRNAMT = 'SPOTRI'
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INFOT = 1
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CALL SPOTRI( '/', 0, A, 1, INFO )
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CALL CHKXER( 'SPOTRI', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPOTRI( 'U', -1, A, 1, INFO )
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CALL CHKXER( 'SPOTRI', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SPOTRI( 'U', 2, A, 1, INFO )
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CALL CHKXER( 'SPOTRI', INFOT, NOUT, LERR, OK )
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*
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* SPOTRS
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*
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SRNAMT = 'SPOTRS'
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INFOT = 1
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CALL SPOTRS( '/', 0, 0, A, 1, B, 1, INFO )
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CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPOTRS( 'U', -1, 0, A, 1, B, 1, INFO )
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CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SPOTRS( 'U', 0, -1, A, 1, B, 1, INFO )
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CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL SPOTRS( 'U', 2, 1, A, 1, B, 2, INFO )
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CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL SPOTRS( 'U', 2, 1, A, 2, B, 1, INFO )
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CALL CHKXER( 'SPOTRS', INFOT, NOUT, LERR, OK )
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*
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* SPORFS
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*
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SRNAMT = 'SPORFS'
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INFOT = 1
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CALL SPORFS( '/', 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPORFS( 'U', -1, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
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$ IW, INFO )
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CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SPORFS( 'U', 0, -1, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
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$ IW, INFO )
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CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
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INFOT = 5
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CALL SPORFS( 'U', 2, 1, A, 1, AF, 2, B, 2, X, 2, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL SPORFS( 'U', 2, 1, A, 2, AF, 1, B, 2, X, 2, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
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INFOT = 9
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CALL SPORFS( 'U', 2, 1, A, 2, AF, 2, B, 1, X, 2, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
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INFOT = 11
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CALL SPORFS( 'U', 2, 1, A, 2, AF, 2, B, 2, X, 1, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPORFS', INFOT, NOUT, LERR, OK )
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*
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* SPOCON
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*
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SRNAMT = 'SPOCON'
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INFOT = 1
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CALL SPOCON( '/', 0, A, 1, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SPOCON', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPOCON( 'U', -1, A, 1, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SPOCON', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL SPOCON( 'U', 2, A, 1, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SPOCON', INFOT, NOUT, LERR, OK )
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*
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* SPOEQU
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*
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SRNAMT = 'SPOEQU'
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INFOT = 1
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CALL SPOEQU( -1, A, 1, R1, RCOND, ANRM, INFO )
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CALL CHKXER( 'SPOEQU', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SPOEQU( 2, A, 1, R1, RCOND, ANRM, INFO )
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CALL CHKXER( 'SPOEQU', INFOT, NOUT, LERR, OK )
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*
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ELSE IF( LSAMEN( 2, C2, 'PP' ) ) THEN
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*
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* Test error exits of the routines that use the Cholesky
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* decomposition of a symmetric positive definite packed matrix.
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*
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* SPPTRF
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*
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SRNAMT = 'SPPTRF'
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INFOT = 1
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CALL SPPTRF( '/', 0, A, INFO )
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CALL CHKXER( 'SPPTRF', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPPTRF( 'U', -1, A, INFO )
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CALL CHKXER( 'SPPTRF', INFOT, NOUT, LERR, OK )
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*
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* SPPTRI
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*
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SRNAMT = 'SPPTRI'
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INFOT = 1
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CALL SPPTRI( '/', 0, A, INFO )
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CALL CHKXER( 'SPPTRI', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPPTRI( 'U', -1, A, INFO )
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CALL CHKXER( 'SPPTRI', INFOT, NOUT, LERR, OK )
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*
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* SPPTRS
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*
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SRNAMT = 'SPPTRS'
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INFOT = 1
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CALL SPPTRS( '/', 0, 0, A, B, 1, INFO )
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CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPPTRS( 'U', -1, 0, A, B, 1, INFO )
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CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SPPTRS( 'U', 0, -1, A, B, 1, INFO )
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CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
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INFOT = 6
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CALL SPPTRS( 'U', 2, 1, A, B, 1, INFO )
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CALL CHKXER( 'SPPTRS', INFOT, NOUT, LERR, OK )
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*
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* SPPRFS
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*
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SRNAMT = 'SPPRFS'
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INFOT = 1
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CALL SPPRFS( '/', 0, 0, A, AF, B, 1, X, 1, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPPRFS( 'U', -1, 0, A, AF, B, 1, X, 1, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
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INFOT = 3
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CALL SPPRFS( 'U', 0, -1, A, AF, B, 1, X, 1, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
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INFOT = 7
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CALL SPPRFS( 'U', 2, 1, A, AF, B, 1, X, 2, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
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INFOT = 9
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CALL SPPRFS( 'U', 2, 1, A, AF, B, 2, X, 1, R1, R2, W, IW,
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$ INFO )
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CALL CHKXER( 'SPPRFS', INFOT, NOUT, LERR, OK )
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*
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* SPPCON
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*
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SRNAMT = 'SPPCON'
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INFOT = 1
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CALL SPPCON( '/', 0, A, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SPPCON', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPPCON( 'U', -1, A, ANRM, RCOND, W, IW, INFO )
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CALL CHKXER( 'SPPCON', INFOT, NOUT, LERR, OK )
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*
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* SPPEQU
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*
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SRNAMT = 'SPPEQU'
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INFOT = 1
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CALL SPPEQU( '/', 0, A, R1, RCOND, ANRM, INFO )
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CALL CHKXER( 'SPPEQU', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL SPPEQU( 'U', -1, A, R1, RCOND, ANRM, INFO )
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CALL CHKXER( 'SPPEQU', INFOT, NOUT, LERR, OK )
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*
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ELSE IF( LSAMEN( 2, C2, 'PB' ) ) THEN
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*
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* Test error exits of the routines that use the Cholesky
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* decomposition of a symmetric positive definite band matrix.
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*
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* SPBTRF
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*
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SRNAMT = 'SPBTRF'
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INFOT = 1
|
||
|
|
CALL SPBTRF( '/', 0, 0, A, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 2
|
||
|
|
CALL SPBTRF( 'U', -1, 0, A, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 3
|
||
|
|
CALL SPBTRF( 'U', 1, -1, A, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 5
|
||
|
|
CALL SPBTRF( 'U', 2, 1, A, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRF', INFOT, NOUT, LERR, OK )
|
||
|
|
*
|
||
|
|
* SPBTF2
|
||
|
|
*
|
||
|
|
SRNAMT = 'SPBTF2'
|
||
|
|
INFOT = 1
|
||
|
|
CALL SPBTF2( '/', 0, 0, A, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 2
|
||
|
|
CALL SPBTF2( 'U', -1, 0, A, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 3
|
||
|
|
CALL SPBTF2( 'U', 1, -1, A, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 5
|
||
|
|
CALL SPBTF2( 'U', 2, 1, A, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTF2', INFOT, NOUT, LERR, OK )
|
||
|
|
*
|
||
|
|
* SPBTRS
|
||
|
|
*
|
||
|
|
SRNAMT = 'SPBTRS'
|
||
|
|
INFOT = 1
|
||
|
|
CALL SPBTRS( '/', 0, 0, 0, A, 1, B, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 2
|
||
|
|
CALL SPBTRS( 'U', -1, 0, 0, A, 1, B, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 3
|
||
|
|
CALL SPBTRS( 'U', 1, -1, 0, A, 1, B, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 4
|
||
|
|
CALL SPBTRS( 'U', 0, 0, -1, A, 1, B, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 6
|
||
|
|
CALL SPBTRS( 'U', 2, 1, 1, A, 1, B, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 8
|
||
|
|
CALL SPBTRS( 'U', 2, 0, 1, A, 1, B, 1, INFO )
|
||
|
|
CALL CHKXER( 'SPBTRS', INFOT, NOUT, LERR, OK )
|
||
|
|
*
|
||
|
|
* SPBRFS
|
||
|
|
*
|
||
|
|
SRNAMT = 'SPBRFS'
|
||
|
|
INFOT = 1
|
||
|
|
CALL SPBRFS( '/', 0, 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
|
||
|
|
$ IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 2
|
||
|
|
CALL SPBRFS( 'U', -1, 0, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
|
||
|
|
$ IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 3
|
||
|
|
CALL SPBRFS( 'U', 1, -1, 0, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
|
||
|
|
$ IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 4
|
||
|
|
CALL SPBRFS( 'U', 0, 0, -1, A, 1, AF, 1, B, 1, X, 1, R1, R2, W,
|
||
|
|
$ IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 6
|
||
|
|
CALL SPBRFS( 'U', 2, 1, 1, A, 1, AF, 2, B, 2, X, 2, R1, R2, W,
|
||
|
|
$ IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 8
|
||
|
|
CALL SPBRFS( 'U', 2, 1, 1, A, 2, AF, 1, B, 2, X, 2, R1, R2, W,
|
||
|
|
$ IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 10
|
||
|
|
CALL SPBRFS( 'U', 2, 0, 1, A, 1, AF, 1, B, 1, X, 2, R1, R2, W,
|
||
|
|
$ IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 12
|
||
|
|
CALL SPBRFS( 'U', 2, 0, 1, A, 1, AF, 1, B, 2, X, 1, R1, R2, W,
|
||
|
|
$ IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBRFS', INFOT, NOUT, LERR, OK )
|
||
|
|
*
|
||
|
|
* SPBCON
|
||
|
|
*
|
||
|
|
SRNAMT = 'SPBCON'
|
||
|
|
INFOT = 1
|
||
|
|
CALL SPBCON( '/', 0, 0, A, 1, ANRM, RCOND, W, IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 2
|
||
|
|
CALL SPBCON( 'U', -1, 0, A, 1, ANRM, RCOND, W, IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 3
|
||
|
|
CALL SPBCON( 'U', 1, -1, A, 1, ANRM, RCOND, W, IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 5
|
||
|
|
CALL SPBCON( 'U', 2, 1, A, 1, ANRM, RCOND, W, IW, INFO )
|
||
|
|
CALL CHKXER( 'SPBCON', INFOT, NOUT, LERR, OK )
|
||
|
|
*
|
||
|
|
* SPBEQU
|
||
|
|
*
|
||
|
|
SRNAMT = 'SPBEQU'
|
||
|
|
INFOT = 1
|
||
|
|
CALL SPBEQU( '/', 0, 0, A, 1, R1, RCOND, ANRM, INFO )
|
||
|
|
CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 2
|
||
|
|
CALL SPBEQU( 'U', -1, 0, A, 1, R1, RCOND, ANRM, INFO )
|
||
|
|
CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 3
|
||
|
|
CALL SPBEQU( 'U', 1, -1, A, 1, R1, RCOND, ANRM, INFO )
|
||
|
|
CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
|
||
|
|
INFOT = 5
|
||
|
|
CALL SPBEQU( 'U', 2, 1, A, 1, R1, RCOND, ANRM, INFO )
|
||
|
|
CALL CHKXER( 'SPBEQU', INFOT, NOUT, LERR, OK )
|
||
|
|
END IF
|
||
|
|
*
|
||
|
|
* Print a summary line.
|
||
|
|
*
|
||
|
|
CALL ALAESM( PATH, OK, NOUT )
|
||
|
|
*
|
||
|
|
RETURN
|
||
|
|
*
|
||
|
|
* End of SERRPO
|
||
|
|
*
|
||
|
|
END
|