115 lines
2.8 KiB
FortranFixed
115 lines
2.8 KiB
FortranFixed
SUBROUTINE ZERRPS( PATH, NUNIT )
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*
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* -- LAPACK test routine (version 3.1) --
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* Craig Lucas, University of Manchester / NAG Ltd.
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* October, 2008
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*
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* .. Scalar Arguments ..
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INTEGER NUNIT
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CHARACTER*3 PATH
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* ..
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*
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* Purpose
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* =======
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*
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* ZERRPS tests the error exits for the COMPLEX routines
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* for ZPSTRF.
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*
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* Arguments
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* =========
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*
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* PATH (input) CHARACTER*3
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* The LAPACK path name for the routines to be tested.
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*
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* NUNIT (input) INTEGER
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* The unit number for output.
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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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INTEGER I, INFO, J
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* ..
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* .. Local Arrays ..
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COMPLEX*16 A( NMAX, NMAX )
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DOUBLE PRECISION RWORK( 2*NMAX )
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INTEGER PIV( NMAX )
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* ..
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* .. External Subroutines ..
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EXTERNAL ALAESM, CHKXER, ZPSTF2, ZPSTRF
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* ..
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* .. Scalars in Common ..
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INTEGER INFOT, NOUT
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LOGICAL LERR, OK
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CHARACTER*32 SRNAMT
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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 DBLE
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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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*
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* Set the variables to innocuous values.
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*
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DO 110 J = 1, NMAX
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DO 100 I = 1, NMAX
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A( I, J ) = 1.D0 / DBLE( I+J )
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*
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100 CONTINUE
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PIV( J ) = J
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RWORK( J ) = 0.D0
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RWORK( NMAX+J ) = 0.D0
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*
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110 CONTINUE
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OK = .TRUE.
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*
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*
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* Test error exits of the routines that use the Cholesky
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* decomposition of an Hermitian positive semidefinite matrix.
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*
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* ZPSTRF
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*
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SRNAMT = 'ZPSTRF'
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INFOT = 1
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CALL ZPSTRF( '/', 0, A, 1, PIV, 1, -1.D0, RWORK, INFO )
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CALL CHKXER( 'ZPSTRF', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL ZPSTRF( 'U', -1, A, 1, PIV, 1, -1.D0, RWORK, INFO )
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CALL CHKXER( 'ZPSTRF', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL ZPSTRF( 'U', 2, A, 1, PIV, 1, -1.D0, RWORK, INFO )
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CALL CHKXER( 'ZPSTRF', INFOT, NOUT, LERR, OK )
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*
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* ZPSTF2
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*
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SRNAMT = 'ZPSTF2'
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INFOT = 1
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CALL ZPSTF2( '/', 0, A, 1, PIV, 1, -1.D0, RWORK, INFO )
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CALL CHKXER( 'ZPSTF2', INFOT, NOUT, LERR, OK )
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INFOT = 2
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CALL ZPSTF2( 'U', -1, A, 1, PIV, 1, -1.D0, RWORK, INFO )
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CALL CHKXER( 'ZPSTF2', INFOT, NOUT, LERR, OK )
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INFOT = 4
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CALL ZPSTF2( 'U', 2, A, 1, PIV, 1, -1.D0, RWORK, INFO )
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CALL CHKXER( 'ZPSTF2', INFOT, NOUT, LERR, OK )
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*
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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 ZERRPS
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*
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END
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