testdata/lapack/TESTING/LIN/schkrfp.f
*> \brief \b SCHKRFP
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* PROGRAM SCHKRFP
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> SCHKRFP is the main test program for the REAL linear
*> equation routines with RFP storage format
*>
*> \endverbatim
*
* Arguments:
* ==========
*
*> \verbatim
*> MAXIN INTEGER
*> The number of different values that can be used for each of
*> M, N, or NB
*>
*> MAXRHS INTEGER
*> The maximum number of right hand sides
*>
*> NTYPES INTEGER
*>
*> NMAX INTEGER
*> The maximum allowable value for N.
*>
*> NIN INTEGER
*> The unit number for input
*>
*> NOUT INTEGER
*> The unit number for output
*> \endverbatim
*
* Authors:
* ========
*
*> \author Univ. of Tennessee
*> \author Univ. of California Berkeley
*> \author Univ. of Colorado Denver
*> \author NAG Ltd.
*
*> \date April 2012
*
*> \ingroup single_lin
*
* =====================================================================
PROGRAM SCHKRFP
*
* -- LAPACK test routine (version 3.7.1) --
* -- LAPACK is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
* April 2012
*
* =====================================================================
*
* .. Parameters ..
INTEGER MAXIN
PARAMETER ( MAXIN = 12 )
INTEGER NMAX
PARAMETER ( NMAX = 50 )
INTEGER MAXRHS
PARAMETER ( MAXRHS = 16 )
INTEGER NTYPES
PARAMETER ( NTYPES = 9 )
INTEGER NIN, NOUT
PARAMETER ( NIN = 5, NOUT = 6 )
* ..
* .. Local Scalars ..
LOGICAL FATAL, TSTERR
INTEGER VERS_MAJOR, VERS_MINOR, VERS_PATCH
INTEGER I, NN, NNS, NNT
REAL EPS, S1, S2, THRESH
* ..
* .. Local Arrays ..
INTEGER NVAL( MAXIN ), NSVAL( MAXIN ), NTVAL( NTYPES )
REAL WORKA( NMAX, NMAX )
REAL WORKASAV( NMAX, NMAX )
REAL WORKB( NMAX, MAXRHS )
REAL WORKXACT( NMAX, MAXRHS )
REAL WORKBSAV( NMAX, MAXRHS )
REAL WORKX( NMAX, MAXRHS )
REAL WORKAFAC( NMAX, NMAX )
REAL WORKAINV( NMAX, NMAX )
REAL WORKARF( (NMAX*(NMAX+1))/2 )
REAL WORKAP( (NMAX*(NMAX+1))/2 )
REAL WORKARFINV( (NMAX*(NMAX+1))/2 )
REAL S_WORK_SLATMS( 3 * NMAX )
REAL S_WORK_SPOT01( NMAX )
REAL S_TEMP_SPOT02( NMAX, MAXRHS )
REAL S_TEMP_SPOT03( NMAX, NMAX )
REAL S_WORK_SLANSY( NMAX )
REAL S_WORK_SPOT02( NMAX )
REAL S_WORK_SPOT03( NMAX )
* ..
* .. External Functions ..
REAL SLAMCH, SECOND
EXTERNAL SLAMCH, SECOND
* ..
* .. External Subroutines ..
EXTERNAL ILAVER, SDRVRFP, SDRVRF1, SDRVRF2, SDRVRF3,
+ SDRVRF4
* ..
* .. Executable Statements ..
*
S1 = SECOND( )
FATAL = .FALSE.
*
* Read a dummy line.
*
READ( NIN, FMT = * )
*
* Report LAPACK version tag (e.g. LAPACK-3.2.0)
*
CALL ILAVER( VERS_MAJOR, VERS_MINOR, VERS_PATCH )
WRITE( NOUT, FMT = 9994 ) VERS_MAJOR, VERS_MINOR, VERS_PATCH
*
* Read the values of N
*
READ( NIN, FMT = * )NN
IF( NN.LT.1 ) THEN
WRITE( NOUT, FMT = 9996 )' NN ', NN, 1
NN = 0
FATAL = .TRUE.
ELSE IF( NN.GT.MAXIN ) THEN
WRITE( NOUT, FMT = 9995 )' NN ', NN, MAXIN
NN = 0
FATAL = .TRUE.
END IF
READ( NIN, FMT = * )( NVAL( I ), I = 1, NN )
DO 10 I = 1, NN
IF( NVAL( I ).LT.0 ) THEN
WRITE( NOUT, FMT = 9996 )' M ', NVAL( I ), 0
FATAL = .TRUE.
ELSE IF( NVAL( I ).GT.NMAX ) THEN
WRITE( NOUT, FMT = 9995 )' M ', NVAL( I ), NMAX
FATAL = .TRUE.
END IF
10 CONTINUE
IF( NN.GT.0 )
$ WRITE( NOUT, FMT = 9993 )'N ', ( NVAL( I ), I = 1, NN )
*
* Read the values of NRHS
*
READ( NIN, FMT = * )NNS
IF( NNS.LT.1 ) THEN
WRITE( NOUT, FMT = 9996 )' NNS', NNS, 1
NNS = 0
FATAL = .TRUE.
ELSE IF( NNS.GT.MAXIN ) THEN
WRITE( NOUT, FMT = 9995 )' NNS', NNS, MAXIN
NNS = 0
FATAL = .TRUE.
END IF
READ( NIN, FMT = * )( NSVAL( I ), I = 1, NNS )
DO 30 I = 1, NNS
IF( NSVAL( I ).LT.0 ) THEN
WRITE( NOUT, FMT = 9996 )'NRHS', NSVAL( I ), 0
FATAL = .TRUE.
ELSE IF( NSVAL( I ).GT.MAXRHS ) THEN
WRITE( NOUT, FMT = 9995 )'NRHS', NSVAL( I ), MAXRHS
FATAL = .TRUE.
END IF
30 CONTINUE
IF( NNS.GT.0 )
$ WRITE( NOUT, FMT = 9993 )'NRHS', ( NSVAL( I ), I = 1, NNS )
*
* Read the matrix types
*
READ( NIN, FMT = * )NNT
IF( NNT.LT.1 ) THEN
WRITE( NOUT, FMT = 9996 )' NMA', NNT, 1
NNT = 0
FATAL = .TRUE.
ELSE IF( NNT.GT.NTYPES ) THEN
WRITE( NOUT, FMT = 9995 )' NMA', NNT, NTYPES
NNT = 0
FATAL = .TRUE.
END IF
READ( NIN, FMT = * )( NTVAL( I ), I = 1, NNT )
DO 320 I = 1, NNT
IF( NTVAL( I ).LT.0 ) THEN
WRITE( NOUT, FMT = 9996 )'TYPE', NTVAL( I ), 0
FATAL = .TRUE.
ELSE IF( NTVAL( I ).GT.NTYPES ) THEN
WRITE( NOUT, FMT = 9995 )'TYPE', NTVAL( I ), NTYPES
FATAL = .TRUE.
END IF
320 CONTINUE
IF( NNT.GT.0 )
$ WRITE( NOUT, FMT = 9993 )'TYPE', ( NTVAL( I ), I = 1, NNT )
*
* Read the threshold value for the test ratios.
*
READ( NIN, FMT = * )THRESH
WRITE( NOUT, FMT = 9992 )THRESH
*
* Read the flag that indicates whether to test the error exits.
*
READ( NIN, FMT = * )TSTERR
*
IF( FATAL ) THEN
WRITE( NOUT, FMT = 9999 )
STOP
END IF
*
* Calculate and print the machine dependent constants.
*
EPS = SLAMCH( 'Underflow threshold' )
WRITE( NOUT, FMT = 9991 )'underflow', EPS
EPS = SLAMCH( 'Overflow threshold' )
WRITE( NOUT, FMT = 9991 )'overflow ', EPS
EPS = SLAMCH( 'Epsilon' )
WRITE( NOUT, FMT = 9991 )'precision', EPS
WRITE( NOUT, FMT = * )
*
* Test the error exit of:
*
IF( TSTERR )
$ CALL SERRRFP( NOUT )
*
* Test the routines: spftrf, spftri, spftrs (as in SDRVPO).
* This also tests the routines: stfsm, stftri, stfttr, strttf.
*
CALL SDRVRFP( NOUT, NN, NVAL, NNS, NSVAL, NNT, NTVAL, THRESH,
$ WORKA, WORKASAV, WORKAFAC, WORKAINV, WORKB,
$ WORKBSAV, WORKXACT, WORKX, WORKARF, WORKARFINV,
$ S_WORK_SLATMS, S_WORK_SPOT01, S_TEMP_SPOT02,
$ S_TEMP_SPOT03, S_WORK_SLANSY, S_WORK_SPOT02,
$ S_WORK_SPOT03 )
*
* Test the routine: slansf
*
CALL SDRVRF1( NOUT, NN, NVAL, THRESH, WORKA, NMAX, WORKARF,
+ S_WORK_SLANSY )
*
* Test the conversion routines:
* stfttp, stpttf, stfttr, strttf, strttp and stpttr.
*
CALL SDRVRF2( NOUT, NN, NVAL, WORKA, NMAX, WORKARF,
+ WORKAP, WORKASAV )
*
* Test the routine: stfsm
*
CALL SDRVRF3( NOUT, NN, NVAL, THRESH, WORKA, NMAX, WORKARF,
+ WORKAINV, WORKAFAC, S_WORK_SLANSY,
+ S_WORK_SPOT03, S_WORK_SPOT01 )
*
*
* Test the routine: ssfrk
*
CALL SDRVRF4( NOUT, NN, NVAL, THRESH, WORKA, WORKAFAC, NMAX,
+ WORKARF, WORKAINV, NMAX, S_WORK_SLANSY)
*
CLOSE ( NIN )
S2 = SECOND( )
WRITE( NOUT, FMT = 9998 )
WRITE( NOUT, FMT = 9997 )S2 - S1
*
9999 FORMAT( / ' Execution not attempted due to input errors' )
9998 FORMAT( / ' End of tests' )
9997 FORMAT( ' Total time used = ', F12.2, ' seconds', / )
9996 FORMAT( ' !! Invalid input value: ', A4, '=', I6, '; must be >=',
$ I6 )
9995 FORMAT( ' !! Invalid input value: ', A4, '=', I6, '; must be <=',
$ I6 )
9994 FORMAT( / ' Tests of the REAL LAPACK RFP routines ',
$ / ' LAPACK VERSION ', I1, '.', I1, '.', I1,
$ / / ' The following parameter values will be used:' )
9993 FORMAT( 4X, A4, ': ', 10I6, / 11X, 10I6 )
9992 FORMAT( / ' Routines pass computational tests if test ratio is ',
$ 'less than', F8.2, / )
9991 FORMAT( ' Relative machine ', A, ' is taken to be', D16.6 )
*
* End of SCHKRFP
*
END