288 lines
8.6 KiB
Fortran
288 lines
8.6 KiB
Fortran
*> \brief \b DCHKRFP
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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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* PROGRAM DCHKRFP
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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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*> DCHKRFP is the main test program for the DOUBLE PRECISION linear
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*> equation routines with RFP storage format
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*>
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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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*> \verbatim
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*> MAXIN INTEGER
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*> The number of different values that can be used for each of
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*> M, N, or NB
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*>
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*> MAXRHS INTEGER
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*> The maximum number of right hand sides
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*>
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*> NTYPES INTEGER
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*>
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*> NMAX INTEGER
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*> The maximum allowable value for N.
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*>
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*> NIN INTEGER
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*> The unit number for input
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*>
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*> NOUT 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 double_lin
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*
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* =====================================================================
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PROGRAM DCHKRFP
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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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* =====================================================================
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*
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* .. Parameters ..
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INTEGER MAXIN
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PARAMETER ( MAXIN = 12 )
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INTEGER NMAX
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PARAMETER ( NMAX = 50 )
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INTEGER MAXRHS
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PARAMETER ( MAXRHS = 16 )
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INTEGER NTYPES
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PARAMETER ( NTYPES = 9 )
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INTEGER NIN, NOUT
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PARAMETER ( NIN = 5, NOUT = 6 )
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* ..
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* .. Local Scalars ..
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LOGICAL FATAL, TSTERR
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INTEGER VERS_MAJOR, VERS_MINOR, VERS_PATCH
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INTEGER I, NN, NNS, NNT
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DOUBLE PRECISION EPS, S1, S2, THRESH
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* ..
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* .. Local Arrays ..
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INTEGER NVAL( MAXIN ), NSVAL( MAXIN ), NTVAL( NTYPES )
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DOUBLE PRECISION WORKA( NMAX, NMAX )
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DOUBLE PRECISION WORKASAV( NMAX, NMAX )
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DOUBLE PRECISION WORKB( NMAX, MAXRHS )
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DOUBLE PRECISION WORKXACT( NMAX, MAXRHS )
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DOUBLE PRECISION WORKBSAV( NMAX, MAXRHS )
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DOUBLE PRECISION WORKX( NMAX, MAXRHS )
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DOUBLE PRECISION WORKAFAC( NMAX, NMAX )
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DOUBLE PRECISION WORKAINV( NMAX, NMAX )
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DOUBLE PRECISION WORKARF( (NMAX*(NMAX+1))/2 )
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DOUBLE PRECISION WORKAP( (NMAX*(NMAX+1))/2 )
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DOUBLE PRECISION WORKARFINV( (NMAX*(NMAX+1))/2 )
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DOUBLE PRECISION D_WORK_DLATMS( 3 * NMAX )
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DOUBLE PRECISION D_WORK_DPOT01( NMAX )
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DOUBLE PRECISION D_TEMP_DPOT02( NMAX, MAXRHS )
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DOUBLE PRECISION D_TEMP_DPOT03( NMAX, NMAX )
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DOUBLE PRECISION D_WORK_DLANSY( NMAX )
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DOUBLE PRECISION D_WORK_DPOT02( NMAX )
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DOUBLE PRECISION D_WORK_DPOT03( NMAX )
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* ..
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* .. External Functions ..
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DOUBLE PRECISION DLAMCH, DSECND
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EXTERNAL DLAMCH, DSECND
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* ..
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* .. External Subroutines ..
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EXTERNAL ILAVER, DDRVRFP, DDRVRF1, DDRVRF2, DDRVRF3,
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+ DDRVRF4
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* ..
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* .. Executable Statements ..
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*
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S1 = DSECND( )
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FATAL = .FALSE.
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*
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* Read a dummy line.
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*
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READ( NIN, FMT = * )
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*
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* Report LAPACK version tag (e.g. LAPACK-3.2.0)
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*
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CALL ILAVER( VERS_MAJOR, VERS_MINOR, VERS_PATCH )
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WRITE( NOUT, FMT = 9994 ) VERS_MAJOR, VERS_MINOR, VERS_PATCH
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*
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* Read the values of N
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*
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READ( NIN, FMT = * )NN
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IF( NN.LT.1 ) THEN
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WRITE( NOUT, FMT = 9996 )' NN ', NN, 1
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NN = 0
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FATAL = .TRUE.
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ELSE IF( NN.GT.MAXIN ) THEN
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WRITE( NOUT, FMT = 9995 )' NN ', NN, MAXIN
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NN = 0
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FATAL = .TRUE.
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END IF
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READ( NIN, FMT = * )( NVAL( I ), I = 1, NN )
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DO 10 I = 1, NN
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IF( NVAL( I ).LT.0 ) THEN
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WRITE( NOUT, FMT = 9996 )' M ', NVAL( I ), 0
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FATAL = .TRUE.
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ELSE IF( NVAL( I ).GT.NMAX ) THEN
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WRITE( NOUT, FMT = 9995 )' M ', NVAL( I ), NMAX
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FATAL = .TRUE.
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END IF
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10 CONTINUE
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IF( NN.GT.0 )
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$ WRITE( NOUT, FMT = 9993 )'N ', ( NVAL( I ), I = 1, NN )
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*
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* Read the values of NRHS
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*
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READ( NIN, FMT = * )NNS
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IF( NNS.LT.1 ) THEN
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WRITE( NOUT, FMT = 9996 )' NNS', NNS, 1
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NNS = 0
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FATAL = .TRUE.
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ELSE IF( NNS.GT.MAXIN ) THEN
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WRITE( NOUT, FMT = 9995 )' NNS', NNS, MAXIN
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NNS = 0
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FATAL = .TRUE.
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END IF
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READ( NIN, FMT = * )( NSVAL( I ), I = 1, NNS )
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DO 30 I = 1, NNS
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IF( NSVAL( I ).LT.0 ) THEN
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WRITE( NOUT, FMT = 9996 )'NRHS', NSVAL( I ), 0
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FATAL = .TRUE.
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ELSE IF( NSVAL( I ).GT.MAXRHS ) THEN
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WRITE( NOUT, FMT = 9995 )'NRHS', NSVAL( I ), MAXRHS
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FATAL = .TRUE.
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END IF
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30 CONTINUE
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IF( NNS.GT.0 )
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$ WRITE( NOUT, FMT = 9993 )'NRHS', ( NSVAL( I ), I = 1, NNS )
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*
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* Read the matrix types
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*
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READ( NIN, FMT = * )NNT
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IF( NNT.LT.1 ) THEN
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WRITE( NOUT, FMT = 9996 )' NMA', NNT, 1
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NNT = 0
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FATAL = .TRUE.
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ELSE IF( NNT.GT.NTYPES ) THEN
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WRITE( NOUT, FMT = 9995 )' NMA', NNT, NTYPES
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NNT = 0
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FATAL = .TRUE.
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END IF
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READ( NIN, FMT = * )( NTVAL( I ), I = 1, NNT )
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DO 320 I = 1, NNT
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IF( NTVAL( I ).LT.0 ) THEN
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WRITE( NOUT, FMT = 9996 )'TYPE', NTVAL( I ), 0
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FATAL = .TRUE.
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ELSE IF( NTVAL( I ).GT.NTYPES ) THEN
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WRITE( NOUT, FMT = 9995 )'TYPE', NTVAL( I ), NTYPES
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FATAL = .TRUE.
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END IF
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320 CONTINUE
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IF( NNT.GT.0 )
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$ WRITE( NOUT, FMT = 9993 )'TYPE', ( NTVAL( I ), I = 1, NNT )
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*
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* Read the threshold value for the test ratios.
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*
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READ( NIN, FMT = * )THRESH
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WRITE( NOUT, FMT = 9992 )THRESH
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*
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* Read the flag that indicates whether to test the error exits.
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*
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READ( NIN, FMT = * )TSTERR
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*
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IF( FATAL ) THEN
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WRITE( NOUT, FMT = 9999 )
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STOP
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END IF
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*
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* Calculate and print the machine dependent constants.
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*
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EPS = DLAMCH( 'Underflow threshold' )
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WRITE( NOUT, FMT = 9991 )'underflow', EPS
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EPS = DLAMCH( 'Overflow threshold' )
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WRITE( NOUT, FMT = 9991 )'overflow ', EPS
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EPS = DLAMCH( 'Epsilon' )
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WRITE( NOUT, FMT = 9991 )'precision', EPS
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WRITE( NOUT, FMT = * )
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*
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* Test the error exit of:
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*
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IF( TSTERR )
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$ CALL DERRRFP( NOUT )
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*
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* Test the routines: dpftrf, dpftri, dpftrs (as in DDRVPO).
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* This also tests the routines: dtfsm, dtftri, dtfttr, dtrttf.
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*
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CALL DDRVRFP( NOUT, NN, NVAL, NNS, NSVAL, NNT, NTVAL, THRESH,
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$ WORKA, WORKASAV, WORKAFAC, WORKAINV, WORKB,
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$ WORKBSAV, WORKXACT, WORKX, WORKARF, WORKARFINV,
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$ D_WORK_DLATMS, D_WORK_DPOT01, D_TEMP_DPOT02,
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$ D_TEMP_DPOT03, D_WORK_DLANSY, D_WORK_DPOT02,
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$ D_WORK_DPOT03 )
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*
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* Test the routine: dlansf
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*
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CALL DDRVRF1( NOUT, NN, NVAL, THRESH, WORKA, NMAX, WORKARF,
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+ D_WORK_DLANSY )
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*
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* Test the conversion routines:
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* dtfttp, dtpttf, dtfttr, dtrttf, dtrttp and dtpttr.
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*
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CALL DDRVRF2( NOUT, NN, NVAL, WORKA, NMAX, WORKARF,
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+ WORKAP, WORKASAV )
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*
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* Test the routine: dtfsm
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*
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CALL DDRVRF3( NOUT, NN, NVAL, THRESH, WORKA, NMAX, WORKARF,
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+ WORKAINV, WORKAFAC, D_WORK_DLANSY,
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+ D_WORK_DPOT03, D_WORK_DPOT01 )
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*
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*
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* Test the routine: dsfrk
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*
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CALL DDRVRF4( NOUT, NN, NVAL, THRESH, WORKA, WORKAFAC, NMAX,
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+ WORKARF, WORKAINV, NMAX, D_WORK_DLANSY)
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*
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CLOSE ( NIN )
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S2 = DSECND( )
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WRITE( NOUT, FMT = 9998 )
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WRITE( NOUT, FMT = 9997 )S2 - S1
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*
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9999 FORMAT( / ' Execution not attempted due to input errors' )
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9998 FORMAT( / ' End of tests' )
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9997 FORMAT( ' Total time used = ', F12.2, ' seconds', / )
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9996 FORMAT( ' !! Invalid input value: ', A4, '=', I6, '; must be >=',
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$ I6 )
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9995 FORMAT( ' !! Invalid input value: ', A4, '=', I6, '; must be <=',
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$ I6 )
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9994 FORMAT( / ' Tests of the DOUBLE PRECISION LAPACK RFP routines ',
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$ / ' LAPACK VERSION ', I1, '.', I1, '.', I1,
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$ / / ' The following parameter values will be used:' )
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9993 FORMAT( 4X, A4, ': ', 10I6, / 11X, 10I6 )
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9992 FORMAT( / ' Routines pass computational tests if test ratio is ',
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$ 'less than', F8.2, / )
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9991 FORMAT( ' Relative machine ', A, ' is taken to be', D16.6 )
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*
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* End of DCHKRFP
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*
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END
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