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*> \brief \b CBLAT2
* * =========== DOCUMENTATION =========== * * Online html documentation available at * http://www.netlib.org/lapack/explore-html/ * * Definition: * =========== * * PROGRAM CBLAT2 * * *> \par Purpose: * ============= *> *> \verbatim *> *> Test program for the COMPLEX Level 2 Blas. *> *> The program must be driven by a short data file. The first 18 records *> of the file are read using list-directed input, the last 17 records *> are read using the format ( A6, L2 ). An annotated example of a data *> file can be obtained by deleting the first 3 characters from the *> following 35 lines: *> 'cblat2.out' NAME OF SUMMARY OUTPUT FILE *> 6 UNIT NUMBER OF SUMMARY FILE *> 'CBLA2T.SNAP' NAME OF SNAPSHOT OUTPUT FILE *> -1 UNIT NUMBER OF SNAPSHOT FILE (NOT USED IF .LT. 0) *> F LOGICAL FLAG, T TO REWIND SNAPSHOT FILE AFTER EACH RECORD. *> F LOGICAL FLAG, T TO STOP ON FAILURES. *> T LOGICAL FLAG, T TO TEST ERROR EXITS. *> 16.0 THRESHOLD VALUE OF TEST RATIO *> 6 NUMBER OF VALUES OF N *> 0 1 2 3 5 9 VALUES OF N *> 4 NUMBER OF VALUES OF K *> 0 1 2 4 VALUES OF K *> 4 NUMBER OF VALUES OF INCX AND INCY *> 1 2 -1 -2 VALUES OF INCX AND INCY *> 3 NUMBER OF VALUES OF ALPHA *> (0.0,0.0) (1.0,0.0) (0.7,-0.9) VALUES OF ALPHA *> 3 NUMBER OF VALUES OF BETA *> (0.0,0.0) (1.0,0.0) (1.3,-1.1) VALUES OF BETA *> CGEMV T PUT F FOR NO TEST. SAME COLUMNS. *> CGBMV T PUT F FOR NO TEST. SAME COLUMNS. *> CHEMV T PUT F FOR NO TEST. SAME COLUMNS. *> CHBMV T PUT F FOR NO TEST. SAME COLUMNS. *> CHPMV T PUT F FOR NO TEST. SAME COLUMNS. *> CTRMV T PUT F FOR NO TEST. SAME COLUMNS. *> CTBMV T PUT F FOR NO TEST. SAME COLUMNS. *> CTPMV T PUT F FOR NO TEST. SAME COLUMNS. *> CTRSV T PUT F FOR NO TEST. SAME COLUMNS. *> CTBSV T PUT F FOR NO TEST. SAME COLUMNS. *> CTPSV T PUT F FOR NO TEST. SAME COLUMNS. *> CGERC T PUT F FOR NO TEST. SAME COLUMNS. *> CGERU T PUT F FOR NO TEST. SAME COLUMNS. *> CHER T PUT F FOR NO TEST. SAME COLUMNS. *> CHPR T PUT F FOR NO TEST. SAME COLUMNS. *> CHER2 T PUT F FOR NO TEST. SAME COLUMNS. *> CHPR2 T PUT F FOR NO TEST. SAME COLUMNS. *> *> Further Details *> =============== *> *> See: *> *> Dongarra J. J., Du Croz J. J., Hammarling S. and Hanson R. J.. *> An extended set of Fortran Basic Linear Algebra Subprograms. *> *> Technical Memoranda Nos. 41 (revision 3) and 81, Mathematics *> and Computer Science Division, Argonne National Laboratory, *> 9700 South Cass Avenue, Argonne, Illinois 60439, US. *> *> Or *> *> NAG Technical Reports TR3/87 and TR4/87, Numerical Algorithms *> Group Ltd., NAG Central Office, 256 Banbury Road, Oxford *> OX2 7DE, UK, and Numerical Algorithms Group Inc., 1101 31st *> Street, Suite 100, Downers Grove, Illinois 60515-1263, USA. *> *> *> -- Written on 10-August-1987. *> Richard Hanson, Sandia National Labs. *> Jeremy Du Croz, NAG Central Office. *> *> 10-9-00: Change STATUS='NEW' to 'UNKNOWN' so that the testers *> can be run multiple times without deleting generated *> output files (susan) *> \endverbatim * * Authors: * ======== * *> \author Univ. of Tennessee *> \author Univ. of California Berkeley *> \author Univ. of Colorado Denver *> \author NAG Ltd. * *> \date April 2012 * *> \ingroup complex_blas_testing * * ===================================================================== PROGRAM CBLAT2 * * -- Reference BLAS test routine (version 3.4.1) -- * -- Reference BLAS is a software package provided by Univ. of Tennessee, -- * -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- * April 2012 * * ===================================================================== * * .. Parameters .. INTEGER NIN PARAMETER ( NIN = 5 ) INTEGER NSUBS PARAMETER ( NSUBS = 17 ) COMPLEX ZERO, ONE PARAMETER ( ZERO = ( 0.0, 0.0 ), ONE = ( 1.0, 0.0 ) ) REAL RZERO PARAMETER ( RZERO = 0.0 ) INTEGER NMAX, INCMAX PARAMETER ( NMAX = 65, INCMAX = 2 ) INTEGER NINMAX, NIDMAX, NKBMAX, NALMAX, NBEMAX PARAMETER ( NINMAX = 7, NIDMAX = 9, NKBMAX = 7, $ NALMAX = 7, NBEMAX = 7 ) * .. Local Scalars .. REAL EPS, ERR, THRESH INTEGER I, ISNUM, J, N, NALF, NBET, NIDIM, NINC, NKB, $ NOUT, NTRA LOGICAL FATAL, LTESTT, REWI, SAME, SFATAL, TRACE, $ TSTERR CHARACTER*1 TRANS CHARACTER*6 SNAMET CHARACTER*32 SNAPS, SUMMRY * .. Local Arrays .. COMPLEX A( NMAX, NMAX ), AA( NMAX*NMAX ), $ ALF( NALMAX ), AS( NMAX*NMAX ), BET( NBEMAX ), $ X( NMAX ), XS( NMAX*INCMAX ), $ XX( NMAX*INCMAX ), Y( NMAX ), $ YS( NMAX*INCMAX ), YT( NMAX ), $ YY( NMAX*INCMAX ), Z( 2*NMAX ) REAL G( NMAX ) INTEGER IDIM( NIDMAX ), INC( NINMAX ), KB( NKBMAX ) LOGICAL LTEST( NSUBS ) CHARACTER*6 SNAMES( NSUBS ) * .. External Functions .. REAL SDIFF LOGICAL LCE EXTERNAL SDIFF, LCE * .. External Subroutines .. EXTERNAL CCHK1, CCHK2, CCHK3, CCHK4, CCHK5, CCHK6, $ CCHKE, CMVCH * .. Intrinsic Functions .. INTRINSIC ABS, MAX, MIN * .. Scalars in Common .. INTEGER INFOT, NOUTC LOGICAL LERR, OK CHARACTER*6 SRNAMT * .. Common blocks .. COMMON /INFOC/INFOT, NOUTC, OK, LERR COMMON /SRNAMC/SRNAMT * .. Data statements .. DATA SNAMES/'CGEMV ', 'CGBMV ', 'CHEMV ', 'CHBMV ', $ 'CHPMV ', 'CTRMV ', 'CTBMV ', 'CTPMV ', $ 'CTRSV ', 'CTBSV ', 'CTPSV ', 'CGERC ', $ 'CGERU ', 'CHER ', 'CHPR ', 'CHER2 ', $ 'CHPR2 '/ * .. Executable Statements .. * * Read name and unit number for summary output file and open file. * READ( NIN, FMT = * )SUMMRY READ( NIN, FMT = * )NOUT OPEN( NOUT, FILE = SUMMRY, STATUS = 'UNKNOWN' ) NOUTC = NOUT * * Read name and unit number for snapshot output file and open file. * READ( NIN, FMT = * )SNAPS READ( NIN, FMT = * )NTRA TRACE = NTRA.GE.0 IF( TRACE )THEN OPEN( NTRA, FILE = SNAPS, STATUS = 'UNKNOWN' ) END IF * Read the flag that directs rewinding of the snapshot file. READ( NIN, FMT = * )REWI REWI = REWI.AND.TRACE * Read the flag that directs stopping on any failure. READ( NIN, FMT = * )SFATAL * Read the flag that indicates whether error exits are to be tested. READ( NIN, FMT = * )TSTERR * Read the threshold value of the test ratio READ( NIN, FMT = * )THRESH * * Read and check the parameter values for the tests. * * Values of N READ( NIN, FMT = * )NIDIM IF( NIDIM.LT.1.OR.NIDIM.GT.NIDMAX )THEN WRITE( NOUT, FMT = 9997 )'N', NIDMAX GO TO 230 END IF READ( NIN, FMT = * )( IDIM( I ), I = 1, NIDIM ) DO 10 I = 1, NIDIM IF( IDIM( I ).LT.0.OR.IDIM( I ).GT.NMAX )THEN WRITE( NOUT, FMT = 9996 )NMAX GO TO 230 END IF 10 CONTINUE * Values of K READ( NIN, FMT = * )NKB IF( NKB.LT.1.OR.NKB.GT.NKBMAX )THEN WRITE( NOUT, FMT = 9997 )'K', NKBMAX GO TO 230 END IF READ( NIN, FMT = * )( KB( I ), I = 1, NKB ) DO 20 I = 1, NKB IF( KB( I ).LT.0 )THEN WRITE( NOUT, FMT = 9995 ) GO TO 230 END IF 20 CONTINUE * Values of INCX and INCY READ( NIN, FMT = * )NINC IF( NINC.LT.1.OR.NINC.GT.NINMAX )THEN WRITE( NOUT, FMT = 9997 )'INCX AND INCY', NINMAX GO TO 230 END IF READ( NIN, FMT = * )( INC( I ), I = 1, NINC ) DO 30 I = 1, NINC IF( INC( I ).EQ.0.OR.ABS( INC( I ) ).GT.INCMAX )THEN WRITE( NOUT, FMT = 9994 )INCMAX GO TO 230 END IF 30 CONTINUE * Values of ALPHA READ( NIN, FMT = * )NALF IF( NALF.LT.1.OR.NALF.GT.NALMAX )THEN WRITE( NOUT, FMT = 9997 )'ALPHA', NALMAX GO TO 230 END IF READ( NIN, FMT = * )( ALF( I ), I = 1, NALF ) * Values of BETA READ( NIN, FMT = * )NBET IF( NBET.LT.1.OR.NBET.GT.NBEMAX )THEN WRITE( NOUT, FMT = 9997 )'BETA', NBEMAX GO TO 230 END IF READ( NIN, FMT = * )( BET( I ), I = 1, NBET ) * * Report values of parameters. * WRITE( NOUT, FMT = 9993 ) WRITE( NOUT, FMT = 9992 )( IDIM( I ), I = 1, NIDIM ) WRITE( NOUT, FMT = 9991 )( KB( I ), I = 1, NKB ) WRITE( NOUT, FMT = 9990 )( INC( I ), I = 1, NINC ) WRITE( NOUT, FMT = 9989 )( ALF( I ), I = 1, NALF ) WRITE( NOUT, FMT = 9988 )( BET( I ), I = 1, NBET ) IF( .NOT.TSTERR )THEN WRITE( NOUT, FMT = * ) WRITE( NOUT, FMT = 9980 ) END IF WRITE( NOUT, FMT = * ) WRITE( NOUT, FMT = 9999 )THRESH WRITE( NOUT, FMT = * ) * * Read names of subroutines and flags which indicate * whether they are to be tested. * DO 40 I = 1, NSUBS LTEST( I ) = .FALSE. 40 CONTINUE 50 READ( NIN, FMT = 9984, END = 80 )SNAMET, LTESTT DO 60 I = 1, NSUBS IF( SNAMET.EQ.SNAMES( I ) ) $ GO TO 70 60 CONTINUE WRITE( NOUT, FMT = 9986 )SNAMET STOP 70 LTEST( I ) = LTESTT GO TO 50 * 80 CONTINUE CLOSE ( NIN ) * * Compute EPS (the machine precision). * EPS = EPSILON(RZERO) WRITE( NOUT, FMT = 9998 )EPS * * Check the reliability of CMVCH using exact data. * N = MIN( 32, NMAX ) DO 120 J = 1, N DO 110 I = 1, N A( I, J ) = MAX( I - J + 1, 0 ) 110 CONTINUE X( J ) = J Y( J ) = ZERO 120 CONTINUE DO 130 J = 1, N YY( J ) = J*( ( J + 1 )*J )/2 - ( ( J + 1 )*J*( J - 1 ) )/3 130 CONTINUE * YY holds the exact result. On exit from CMVCH YT holds * the result computed by CMVCH. TRANS = 'N' CALL CMVCH( TRANS, N, N, ONE, A, NMAX, X, 1, ZERO, Y, 1, YT, G, $ YY, EPS, ERR, FATAL, NOUT, .TRUE. ) SAME = LCE( YY, YT, N ) IF( .NOT.SAME.OR.ERR.NE.RZERO )THEN WRITE( NOUT, FMT = 9985 )TRANS, SAME, ERR STOP END IF TRANS = 'T' CALL CMVCH( TRANS, N, N, ONE, A, NMAX, X, -1, ZERO, Y, -1, YT, G, $ YY, EPS, ERR, FATAL, NOUT, .TRUE. ) SAME = LCE( YY, YT, N ) IF( .NOT.SAME.OR.ERR.NE.RZERO )THEN WRITE( NOUT, FMT = 9985 )TRANS, SAME, ERR STOP END IF * * Test each subroutine in turn. * DO 210 ISNUM = 1, NSUBS WRITE( NOUT, FMT = * ) IF( .NOT.LTEST( ISNUM ) )THEN * Subprogram is not to be tested. WRITE( NOUT, FMT = 9983 )SNAMES( ISNUM ) ELSE SRNAMT = SNAMES( ISNUM ) * Test error exits. IF( TSTERR )THEN CALL CCHKE( ISNUM, SNAMES( ISNUM ), NOUT ) WRITE( NOUT, FMT = * ) END IF * Test computations. INFOT = 0 OK = .TRUE. FATAL = .FALSE. GO TO ( 140, 140, 150, 150, 150, 160, 160, $ 160, 160, 160, 160, 170, 170, 180, $ 180, 190, 190 )ISNUM * Test CGEMV, 01, and CGBMV, 02. 140 CALL CCHK1( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE, $ REWI, FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF, $ NBET, BET, NINC, INC, NMAX, INCMAX, A, AA, AS, $ X, XX, XS, Y, YY, YS, YT, G ) GO TO 200 * Test CHEMV, 03, CHBMV, 04, and CHPMV, 05. 150 CALL CCHK2( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE, $ REWI, FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF, $ NBET, BET, NINC, INC, NMAX, INCMAX, A, AA, AS, $ X, XX, XS, Y, YY, YS, YT, G ) GO TO 200 * Test CTRMV, 06, CTBMV, 07, CTPMV, 08, * CTRSV, 09, CTBSV, 10, and CTPSV, 11. 160 CALL CCHK3( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE, $ REWI, FATAL, NIDIM, IDIM, NKB, KB, NINC, INC, $ NMAX, INCMAX, A, AA, AS, Y, YY, YS, YT, G, Z ) GO TO 200 * Test CGERC, 12, CGERU, 13. 170 CALL CCHK4( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE, $ REWI, FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC, $ NMAX, INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS, $ YT, G, Z ) GO TO 200 * Test CHER, 14, and CHPR, 15. 180 CALL CCHK5( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE, $ REWI, FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC, $ NMAX, INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS, $ YT, G, Z ) GO TO 200 * Test CHER2, 16, and CHPR2, 17. 190 CALL CCHK6( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE, $ REWI, FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC, $ NMAX, INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS, $ YT, G, Z ) * 200 IF( FATAL.AND.SFATAL ) $ GO TO 220 END IF 210 CONTINUE WRITE( NOUT, FMT = 9982 ) GO TO 240 * 220 CONTINUE WRITE( NOUT, FMT = 9981 ) GO TO 240 * 230 CONTINUE WRITE( NOUT, FMT = 9987 ) * 240 CONTINUE IF( TRACE ) $ CLOSE ( NTRA ) CLOSE ( NOUT ) STOP * 9999 FORMAT( ' ROUTINES PASS COMPUTATIONAL TESTS IF TEST RATIO IS LES', $ 'S THAN', F8.2 ) 9998 FORMAT( ' RELATIVE MACHINE PRECISION IS TAKEN TO BE', 1P, E9.1 ) 9997 FORMAT( ' NUMBER OF VALUES OF ', A, ' IS LESS THAN 1 OR GREATER ', $ 'THAN ', I2 ) 9996 FORMAT( ' VALUE OF N IS LESS THAN 0 OR GREATER THAN ', I2 ) 9995 FORMAT( ' VALUE OF K IS LESS THAN 0' ) 9994 FORMAT( ' ABSOLUTE VALUE OF INCX OR INCY IS 0 OR GREATER THAN ', $ I2 ) 9993 FORMAT( ' TESTS OF THE COMPLEX LEVEL 2 BLAS', //' THE F', $ 'OLLOWING PARAMETER VALUES WILL BE USED:' ) 9992 FORMAT( ' FOR N ', 9I6 ) 9991 FORMAT( ' FOR K ', 7I6 ) 9990 FORMAT( ' FOR INCX AND INCY ', 7I6 ) 9989 FORMAT( ' FOR ALPHA ', $ 7( '(', F4.1, ',', F4.1, ') ', : ) ) 9988 FORMAT( ' FOR BETA ', $ 7( '(', F4.1, ',', F4.1, ') ', : ) ) 9987 FORMAT( ' AMEND DATA FILE OR INCREASE ARRAY SIZES IN PROGRAM', $ /' ******* TESTS ABANDONED *******' ) 9986 FORMAT( ' SUBPROGRAM NAME ', A6, ' NOT RECOGNIZED', /' ******* T', $ 'ESTS ABANDONED *******' ) 9985 FORMAT( ' ERROR IN CMVCH - IN-LINE DOT PRODUCTS ARE BEING EVALU', $ 'ATED WRONGLY.', /' CMVCH WAS CALLED WITH TRANS = ', A1, $ ' AND RETURNED SAME = ', L1, ' AND ERR = ', F12.3, '.', / $ ' THIS MAY BE DUE TO FAULTS IN THE ARITHMETIC OR THE COMPILER.' $ , /' ******* TESTS ABANDONED *******' ) 9984 FORMAT( A6, L2 ) 9983 FORMAT( 1X, A6, ' WAS NOT TESTED' ) 9982 FORMAT( /' END OF TESTS' ) 9981 FORMAT( /' ******* FATAL ERROR - TESTS ABANDONED *******' ) 9980 FORMAT( ' ERROR-EXITS WILL NOT BE TESTED' ) * * End of CBLAT2. * END SUBROUTINE CCHK1( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI, $ FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF, NBET, $ BET, NINC, INC, NMAX, INCMAX, A, AA, AS, X, XX, $ XS, Y, YY, YS, YT, G ) * * Tests CGEMV and CGBMV. * * Auxiliary routine for test program for Level 2 Blas. * * -- Written on 10-August-1987. * Richard Hanson, Sandia National Labs. * Jeremy Du Croz, NAG Central Office. * * .. Parameters .. COMPLEX ZERO, HALF PARAMETER ( ZERO = ( 0.0, 0.0 ), HALF = ( 0.5, 0.0 ) ) REAL RZERO PARAMETER ( RZERO = 0.0 ) * .. Scalar Arguments .. REAL EPS, THRESH INTEGER INCMAX, NALF, NBET, NIDIM, NINC, NKB, NMAX, $ NOUT, NTRA LOGICAL FATAL, REWI, TRACE CHARACTER*6 SNAME * .. Array Arguments .. COMPLEX A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ), $ AS( NMAX*NMAX ), BET( NBET ), X( NMAX ), $ XS( NMAX*INCMAX ), XX( NMAX*INCMAX ), $ Y( NMAX ), YS( NMAX*INCMAX ), YT( NMAX ), $ YY( NMAX*INCMAX ) REAL G( NMAX ) INTEGER IDIM( NIDIM ), INC( NINC ), KB( NKB ) * .. Local Scalars .. COMPLEX ALPHA, ALS, BETA, BLS, TRANSL REAL ERR, ERRMAX INTEGER I, IA, IB, IC, IKU, IM, IN, INCX, INCXS, INCY, $ INCYS, IX, IY, KL, KLS, KU, KUS, LAA, LDA, $ LDAS, LX, LY, M, ML, MS, N, NARGS, NC, ND, NK, $ NL, NS LOGICAL BANDED, FULL, NULL, RESET, SAME, TRAN CHARACTER*1 TRANS, TRANSS CHARACTER*3 ICH * .. Local Arrays .. LOGICAL ISAME( 13 ) * .. External Functions .. LOGICAL LCE, LCERES EXTERNAL LCE, LCERES * .. External Subroutines .. EXTERNAL CGBMV, CGEMV, CMAKE, CMVCH * .. Intrinsic Functions .. INTRINSIC ABS, MAX, MIN * .. Scalars in Common .. INTEGER INFOT, NOUTC LOGICAL LERR, OK * .. Common blocks .. COMMON /INFOC/INFOT, NOUTC, OK, LERR * .. Data statements .. DATA ICH/'NTC'/ * .. Executable Statements .. FULL = SNAME( 3: 3 ).EQ.'E' BANDED = SNAME( 3: 3 ).EQ.'B' * Define the number of arguments. IF( FULL )THEN NARGS = 11 ELSE IF( BANDED )THEN NARGS = 13 END IF * NC = 0 RESET = .TRUE. ERRMAX = RZERO * DO 120 IN = 1, NIDIM N = IDIM( IN ) ND = N/2 + 1 * DO 110 IM = 1, 2 IF( IM.EQ.1 ) $ M = MAX( N - ND, 0 ) IF( IM.EQ.2 ) $ M = MIN( N + ND, NMAX ) * IF( BANDED )THEN NK = NKB ELSE NK = 1 END IF DO 100 IKU = 1, NK IF( BANDED )THEN KU = KB( IKU ) KL = MAX( KU - 1, 0 ) ELSE KU = N - 1 KL = M - 1 END IF * Set LDA to 1 more than minimum value if room. IF( BANDED )THEN LDA = KL + KU + 1 ELSE LDA = M END IF IF( LDA.LT.NMAX ) $ LDA = LDA + 1 * Skip tests if not enough room. IF( LDA.GT.NMAX ) $ GO TO 100 LAA = LDA*N NULL = N.LE.0.OR.M.LE.0 * * Generate the matrix A. * TRANSL = ZERO CALL CMAKE( SNAME( 2: 3 ), ' ', ' ', M, N, A, NMAX, AA, $ LDA, KL, KU, RESET, TRANSL ) * DO 90 IC = 1, 3 TRANS = ICH( IC: IC ) TRAN = TRANS.EQ.'T'.OR.TRANS.EQ.'C' * IF( TRAN )THEN ML = N NL = M ELSE ML = M NL = N END IF * DO 80 IX = 1, NINC INCX = INC( IX ) LX = ABS( INCX )*NL * * Generate the vector X. * TRANSL = HALF CALL CMAKE( 'GE', ' ', ' ', 1, NL, X, 1, XX, $ ABS( INCX ), 0, NL - 1, RESET, TRANSL ) IF( NL.GT.1 )THEN X( NL/2 ) = ZERO XX( 1 + ABS( INCX )*( NL/2 - 1 ) ) = ZERO END IF * DO 70 IY = 1, NINC INCY = INC( IY ) LY = ABS( INCY )*ML * DO 60 IA = 1, NALF ALPHA = ALF( IA ) * DO 50 IB = 1, NBET BETA = BET( IB ) * * Generate the vector Y. * TRANSL = ZERO CALL CMAKE( 'GE', ' ', ' ', 1, ML, Y, 1, $ YY, ABS( INCY ), 0, ML - 1, $ RESET, TRANSL ) * NC = NC + 1 * * Save every datum before calling the * subroutine. * TRANSS = TRANS MS = M NS = N KLS = KL KUS = KU ALS = ALPHA DO 10 I = 1, LAA AS( I ) = AA( I ) 10 CONTINUE LDAS = LDA DO 20 I = 1, LX XS( I ) = XX( I ) 20 CONTINUE INCXS = INCX BLS = BETA DO 30 I = 1, LY YS( I ) = YY( I ) 30 CONTINUE INCYS = INCY * * Call the subroutine. * IF( FULL )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9994 )NC, SNAME, $ TRANS, M, N, ALPHA, LDA, INCX, BETA, $ INCY IF( REWI ) $ REWIND NTRA CALL CGEMV( TRANS, M, N, ALPHA, AA, $ LDA, XX, INCX, BETA, YY, $ INCY ) ELSE IF( BANDED )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9995 )NC, SNAME, $ TRANS, M, N, KL, KU, ALPHA, LDA, $ INCX, BETA, INCY IF( REWI ) $ REWIND NTRA CALL CGBMV( TRANS, M, N, KL, KU, ALPHA, $ AA, LDA, XX, INCX, BETA, $ YY, INCY ) END IF * * Check if error-exit was taken incorrectly. * IF( .NOT.OK )THEN WRITE( NOUT, FMT = 9993 ) FATAL = .TRUE. GO TO 130 END IF * * See what data changed inside subroutines. * ISAME( 1 ) = TRANS.EQ.TRANSS ISAME( 2 ) = MS.EQ.M ISAME( 3 ) = NS.EQ.N IF( FULL )THEN ISAME( 4 ) = ALS.EQ.ALPHA ISAME( 5 ) = LCE( AS, AA, LAA ) ISAME( 6 ) = LDAS.EQ.LDA ISAME( 7 ) = LCE( XS, XX, LX ) ISAME( 8 ) = INCXS.EQ.INCX ISAME( 9 ) = BLS.EQ.BETA IF( NULL )THEN ISAME( 10 ) = LCE( YS, YY, LY ) ELSE ISAME( 10 ) = LCERES( 'GE', ' ', 1, $ ML, YS, YY, $ ABS( INCY ) ) END IF ISAME( 11 ) = INCYS.EQ.INCY ELSE IF( BANDED )THEN ISAME( 4 ) = KLS.EQ.KL ISAME( 5 ) = KUS.EQ.KU ISAME( 6 ) = ALS.EQ.ALPHA ISAME( 7 ) = LCE( AS, AA, LAA ) ISAME( 8 ) = LDAS.EQ.LDA ISAME( 9 ) = LCE( XS, XX, LX ) ISAME( 10 ) = INCXS.EQ.INCX ISAME( 11 ) = BLS.EQ.BETA IF( NULL )THEN ISAME( 12 ) = LCE( YS, YY, LY ) ELSE ISAME( 12 ) = LCERES( 'GE', ' ', 1, $ ML, YS, YY, $ ABS( INCY ) ) END IF ISAME( 13 ) = INCYS.EQ.INCY END IF * * If data was incorrectly changed, report * and return. * SAME = .TRUE. DO 40 I = 1, NARGS SAME = SAME.AND.ISAME( I ) IF( .NOT.ISAME( I ) ) $ WRITE( NOUT, FMT = 9998 )I 40 CONTINUE IF( .NOT.SAME )THEN FATAL = .TRUE. GO TO 130 END IF * IF( .NOT.NULL )THEN * * Check the result. * CALL CMVCH( TRANS, M, N, ALPHA, A, $ NMAX, X, INCX, BETA, Y, $ INCY, YT, G, YY, EPS, ERR, $ FATAL, NOUT, .TRUE. ) ERRMAX = MAX( ERRMAX, ERR ) * If got really bad answer, report and * return. IF( FATAL ) $ GO TO 130 ELSE * Avoid repeating tests with M.le.0 or * N.le.0. GO TO 110 END IF * 50 CONTINUE * 60 CONTINUE * 70 CONTINUE * 80 CONTINUE * 90 CONTINUE * 100 CONTINUE * 110 CONTINUE * 120 CONTINUE * * Report result. * IF( ERRMAX.LT.THRESH )THEN WRITE( NOUT, FMT = 9999 )SNAME, NC ELSE WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX END IF GO TO 140 * 130 CONTINUE WRITE( NOUT, FMT = 9996 )SNAME IF( FULL )THEN WRITE( NOUT, FMT = 9994 )NC, SNAME, TRANS, M, N, ALPHA, LDA, $ INCX, BETA, INCY ELSE IF( BANDED )THEN WRITE( NOUT, FMT = 9995 )NC, SNAME, TRANS, M, N, KL, KU, $ ALPHA, LDA, INCX, BETA, INCY END IF * 140 CONTINUE RETURN * 9999 FORMAT( ' ', A6, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL', $ 'S)' ) 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH', $ 'ANGED INCORRECTLY *******' ) 9997 FORMAT( ' ', A6, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C', $ 'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2, $ ' - SUSPECT *******' ) 9996 FORMAT( ' ******* ', A6, ' FAILED ON CALL NUMBER:' ) 9995 FORMAT( 1X, I6, ': ', A6, '(''', A1, ''',', 4( I3, ',' ), '(', $ F4.1, ',', F4.1, '), A,', I3, ', X,', I2, ',(', F4.1, ',', $ F4.1, '), Y,', I2, ') .' ) 9994 FORMAT( 1X, I6, ': ', A6, '(''', A1, ''',', 2( I3, ',' ), '(', $ F4.1, ',', F4.1, '), A,', I3, ', X,', I2, ',(', F4.1, ',', $ F4.1, '), Y,', I2, ') .' ) 9993 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *', $ '******' ) * * End of CCHK1. * END SUBROUTINE CCHK2( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI, $ FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF, NBET, $ BET, NINC, INC, NMAX, INCMAX, A, AA, AS, X, XX, $ XS, Y, YY, YS, YT, G ) * * Tests CHEMV, CHBMV and CHPMV. * * Auxiliary routine for test program for Level 2 Blas. * * -- Written on 10-August-1987. * Richard Hanson, Sandia National Labs. * Jeremy Du Croz, NAG Central Office. * * .. Parameters .. COMPLEX ZERO, HALF PARAMETER ( ZERO = ( 0.0, 0.0 ), HALF = ( 0.5, 0.0 ) ) REAL RZERO PARAMETER ( RZERO = 0.0 ) * .. Scalar Arguments .. REAL EPS, THRESH INTEGER INCMAX, NALF, NBET, NIDIM, NINC, NKB, NMAX, $ NOUT, NTRA LOGICAL FATAL, REWI, TRACE CHARACTER*6 SNAME * .. Array Arguments .. COMPLEX A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ), $ AS( NMAX*NMAX ), BET( NBET ), X( NMAX ), $ XS( NMAX*INCMAX ), XX( NMAX*INCMAX ), $ Y( NMAX ), YS( NMAX*INCMAX ), YT( NMAX ), $ YY( NMAX*INCMAX ) REAL G( NMAX ) INTEGER IDIM( NIDIM ), INC( NINC ), KB( NKB ) * .. Local Scalars .. COMPLEX ALPHA, ALS, BETA, BLS, TRANSL REAL ERR, ERRMAX INTEGER I, IA, IB, IC, IK, IN, INCX, INCXS, INCY, $ INCYS, IX, IY, K, KS, LAA, LDA, LDAS, LX, LY, $ N, NARGS, NC, NK, NS LOGICAL BANDED, FULL, NULL, PACKED, RESET, SAME CHARACTER*1 UPLO, UPLOS CHARACTER*2 ICH * .. Local Arrays .. LOGICAL ISAME( 13 ) * .. External Functions .. LOGICAL LCE, LCERES EXTERNAL LCE, LCERES * .. External Subroutines .. EXTERNAL CHBMV, CHEMV, CHPMV, CMAKE, CMVCH * .. Intrinsic Functions .. INTRINSIC ABS, MAX * .. Scalars in Common .. INTEGER INFOT, NOUTC LOGICAL LERR, OK * .. Common blocks .. COMMON /INFOC/INFOT, NOUTC, OK, LERR * .. Data statements .. DATA ICH/'UL'/ * .. Executable Statements .. FULL = SNAME( 3: 3 ).EQ.'E' BANDED = SNAME( 3: 3 ).EQ.'B' PACKED = SNAME( 3: 3 ).EQ.'P' * Define the number of arguments. IF( FULL )THEN NARGS = 10 ELSE IF( BANDED )THEN NARGS = 11 ELSE IF( PACKED )THEN NARGS = 9 END IF * NC = 0 RESET = .TRUE. ERRMAX = RZERO * DO 110 IN = 1, NIDIM N = IDIM( IN ) * IF( BANDED )THEN NK = NKB ELSE NK = 1 END IF DO 100 IK = 1, NK IF( BANDED )THEN K = KB( IK ) ELSE K = N - 1 END IF * Set LDA to 1 more than minimum value if room. IF( BANDED )THEN LDA = K + 1 ELSE LDA = N END IF IF( LDA.LT.NMAX ) $ LDA = LDA + 1 * Skip tests if not enough room. IF( LDA.GT.NMAX ) $ GO TO 100 IF( PACKED )THEN LAA = ( N*( N + 1 ) )/2 ELSE LAA = LDA*N END IF NULL = N.LE.0 * DO 90 IC = 1, 2 UPLO = ICH( IC: IC ) * * Generate the matrix A. * TRANSL = ZERO CALL CMAKE( SNAME( 2: 3 ), UPLO, ' ', N, N, A, NMAX, AA, $ LDA, K, K, RESET, TRANSL ) * DO 80 IX = 1, NINC INCX = INC( IX ) LX = ABS( INCX )*N * * Generate the vector X. * TRANSL = HALF CALL CMAKE( 'GE', ' ', ' ', 1, N, X, 1, XX, $ ABS( INCX ), 0, N - 1, RESET, TRANSL ) IF( N.GT.1 )THEN X( N/2 ) = ZERO XX( 1 + ABS( INCX )*( N/2 - 1 ) ) = ZERO END IF * DO 70 IY = 1, NINC INCY = INC( IY ) LY = ABS( INCY )*N * DO 60 IA = 1, NALF ALPHA = ALF( IA ) * DO 50 IB = 1, NBET BETA = BET( IB ) * * Generate the vector Y. * TRANSL = ZERO CALL CMAKE( 'GE', ' ', ' ', 1, N, Y, 1, YY, $ ABS( INCY ), 0, N - 1, RESET, $ TRANSL ) * NC = NC + 1 * * Save every datum before calling the * subroutine. * UPLOS = UPLO NS = N KS = K ALS = ALPHA DO 10 I = 1, LAA AS( I ) = AA( I ) 10 CONTINUE LDAS = LDA DO 20 I = 1, LX XS( I ) = XX( I ) 20 CONTINUE INCXS = INCX BLS = BETA DO 30 I = 1, LY YS( I ) = YY( I ) 30 CONTINUE INCYS = INCY * * Call the subroutine. * IF( FULL )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9993 )NC, SNAME, $ UPLO, N, ALPHA, LDA, INCX, BETA, INCY IF( REWI ) $ REWIND NTRA CALL CHEMV( UPLO, N, ALPHA, AA, LDA, XX, $ INCX, BETA, YY, INCY ) ELSE IF( BANDED )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9994 )NC, SNAME, $ UPLO, N, K, ALPHA, LDA, INCX, BETA, $ INCY IF( REWI ) $ REWIND NTRA CALL CHBMV( UPLO, N, K, ALPHA, AA, LDA, $ XX, INCX, BETA, YY, INCY ) ELSE IF( PACKED )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9995 )NC, SNAME, $ UPLO, N, ALPHA, INCX, BETA, INCY IF( REWI ) $ REWIND NTRA CALL CHPMV( UPLO, N, ALPHA, AA, XX, INCX, $ BETA, YY, INCY ) END IF * * Check if error-exit was taken incorrectly. * IF( .NOT.OK )THEN WRITE( NOUT, FMT = 9992 ) FATAL = .TRUE. GO TO 120 END IF * * See what data changed inside subroutines. * ISAME( 1 ) = UPLO.EQ.UPLOS ISAME( 2 ) = NS.EQ.N IF( FULL )THEN ISAME( 3 ) = ALS.EQ.ALPHA ISAME( 4 ) = LCE( AS, AA, LAA ) ISAME( 5 ) = LDAS.EQ.LDA ISAME( 6 ) = LCE( XS, XX, LX ) ISAME( 7 ) = INCXS.EQ.INCX ISAME( 8 ) = BLS.EQ.BETA IF( NULL )THEN ISAME( 9 ) = LCE( YS, YY, LY ) ELSE ISAME( 9 ) = LCERES( 'GE', ' ', 1, N, $ YS, YY, ABS( INCY ) ) END IF ISAME( 10 ) = INCYS.EQ.INCY ELSE IF( BANDED )THEN ISAME( 3 ) = KS.EQ.K ISAME( 4 ) = ALS.EQ.ALPHA ISAME( 5 ) = LCE( AS, AA, LAA ) ISAME( 6 ) = LDAS.EQ.LDA ISAME( 7 ) = LCE( XS, XX, LX ) ISAME( 8 ) = INCXS.EQ.INCX ISAME( 9 ) = BLS.EQ.BETA IF( NULL )THEN ISAME( 10 ) = LCE( YS, YY, LY ) ELSE ISAME( 10 ) = LCERES( 'GE', ' ', 1, N, $ YS, YY, ABS( INCY ) ) END IF ISAME( 11 ) = INCYS.EQ.INCY ELSE IF( PACKED )THEN ISAME( 3 ) = ALS.EQ.ALPHA ISAME( 4 ) = LCE( AS, AA, LAA ) ISAME( 5 ) = LCE( XS, XX, LX ) ISAME( 6 ) = INCXS.EQ.INCX ISAME( 7 ) = BLS.EQ.BETA IF( NULL )THEN ISAME( 8 ) = LCE( YS, YY, LY ) ELSE ISAME( 8 ) = LCERES( 'GE', ' ', 1, N, $ YS, YY, ABS( INCY ) ) END IF ISAME( 9 ) = INCYS.EQ.INCY END IF * * If data was incorrectly changed, report and * return. * SAME = .TRUE. DO 40 I = 1, NARGS SAME = SAME.AND.ISAME( I ) IF( .NOT.ISAME( I ) ) $ WRITE( NOUT, FMT = 9998 )I 40 CONTINUE IF( .NOT.SAME )THEN FATAL = .TRUE. GO TO 120 END IF * IF( .NOT.NULL )THEN * * Check the result. * CALL CMVCH( 'N', N, N, ALPHA, A, NMAX, X, $ INCX, BETA, Y, INCY, YT, G, $ YY, EPS, ERR, FATAL, NOUT, $ .TRUE. ) ERRMAX = MAX( ERRMAX, ERR ) * If got really bad answer, report and * return. IF( FATAL ) $ GO TO 120 ELSE * Avoid repeating tests with N.le.0 GO TO 110 END IF * 50 CONTINUE * 60 CONTINUE * 70 CONTINUE * 80 CONTINUE * 90 CONTINUE * 100 CONTINUE * 110 CONTINUE * * Report result. * IF( ERRMAX.LT.THRESH )THEN WRITE( NOUT, FMT = 9999 )SNAME, NC ELSE WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX END IF GO TO 130 * 120 CONTINUE WRITE( NOUT, FMT = 9996 )SNAME IF( FULL )THEN WRITE( NOUT, FMT = 9993 )NC, SNAME, UPLO, N, ALPHA, LDA, INCX, $ BETA, INCY ELSE IF( BANDED )THEN WRITE( NOUT, FMT = 9994 )NC, SNAME, UPLO, N, K, ALPHA, LDA, $ INCX, BETA, INCY ELSE IF( PACKED )THEN WRITE( NOUT, FMT = 9995 )NC, SNAME, UPLO, N, ALPHA, INCX, $ BETA, INCY END IF * 130 CONTINUE RETURN * 9999 FORMAT( ' ', A6, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL', $ 'S)' ) 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH', $ 'ANGED INCORRECTLY *******' ) 9997 FORMAT( ' ', A6, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C', $ 'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2, $ ' - SUSPECT *******' ) 9996 FORMAT( ' ******* ', A6, ' FAILED ON CALL NUMBER:' ) 9995 FORMAT( 1X, I6, ': ', A6, '(''', A1, ''',', I3, ',(', F4.1, ',', $ F4.1, '), AP, X,', I2, ',(', F4.1, ',', F4.1, '), Y,', I2, $ ') .' ) 9994 FORMAT( 1X, I6, ': ', A6, '(''', A1, ''',', 2( I3, ',' ), '(', $ F4.1, ',', F4.1, '), A,', I3, ', X,', I2, ',(', F4.1, ',', $ F4.1, '), Y,', I2, ') .' ) 9993 FORMAT( 1X, I6, ': ', A6, '(''', A1, ''',', I3, ',(', F4.1, ',', $ F4.1, '), A,', I3, ', X,', I2, ',(', F4.1, ',', F4.1, '), ', $ 'Y,', I2, ') .' ) 9992 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *', $ '******' ) * * End of CCHK2. * END SUBROUTINE CCHK3( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI, $ FATAL, NIDIM, IDIM, NKB, KB, NINC, INC, NMAX, $ INCMAX, A, AA, AS, X, XX, XS, XT, G, Z ) * * Tests CTRMV, CTBMV, CTPMV, CTRSV, CTBSV and CTPSV. * * Auxiliary routine for test program for Level 2 Blas. * * -- Written on 10-August-1987. * Richard Hanson, Sandia National Labs. * Jeremy Du Croz, NAG Central Office. * * .. Parameters .. COMPLEX ZERO, HALF, ONE PARAMETER ( ZERO = ( 0.0, 0.0 ), HALF = ( 0.5, 0.0 ), $ ONE = ( 1.0, 0.0 ) ) REAL RZERO PARAMETER ( RZERO = 0.0 ) * .. Scalar Arguments .. REAL EPS, THRESH INTEGER INCMAX, NIDIM, NINC, NKB, NMAX, NOUT, NTRA LOGICAL FATAL, REWI, TRACE CHARACTER*6 SNAME * .. Array Arguments .. COMPLEX A( NMAX, NMAX ), AA( NMAX*NMAX ), $ AS( NMAX*NMAX ), X( NMAX ), XS( NMAX*INCMAX ), $ XT( NMAX ), XX( NMAX*INCMAX ), Z( NMAX ) REAL G( NMAX ) INTEGER IDIM( NIDIM ), INC( NINC ), KB( NKB ) * .. Local Scalars .. COMPLEX TRANSL REAL ERR, ERRMAX INTEGER I, ICD, ICT, ICU, IK, IN, INCX, INCXS, IX, K, $ KS, LAA, LDA, LDAS, LX, N, NARGS, NC, NK, NS LOGICAL BANDED, FULL, NULL, PACKED, RESET, SAME CHARACTER*1 DIAG, DIAGS, TRANS, TRANSS, UPLO, UPLOS CHARACTER*2 ICHD, ICHU CHARACTER*3 ICHT * .. Local Arrays .. LOGICAL ISAME( 13 ) * .. External Functions .. LOGICAL LCE, LCERES EXTERNAL LCE, LCERES * .. External Subroutines .. EXTERNAL CMAKE, CMVCH, CTBMV, CTBSV, CTPMV, CTPSV, $ CTRMV, CTRSV * .. Intrinsic Functions .. INTRINSIC ABS, MAX * .. Scalars in Common .. INTEGER INFOT, NOUTC LOGICAL LERR, OK * .. Common blocks .. COMMON /INFOC/INFOT, NOUTC, OK, LERR * .. Data statements .. DATA ICHU/'UL'/, ICHT/'NTC'/, ICHD/'UN'/ * .. Executable Statements .. FULL = SNAME( 3: 3 ).EQ.'R' BANDED = SNAME( 3: 3 ).EQ.'B' PACKED = SNAME( 3: 3 ).EQ.'P' * Define the number of arguments. IF( FULL )THEN NARGS = 8 ELSE IF( BANDED )THEN NARGS = 9 ELSE IF( PACKED )THEN NARGS = 7 END IF * NC = 0 RESET = .TRUE. ERRMAX = RZERO * Set up zero vector for CMVCH. DO 10 I = 1, NMAX Z( I ) = ZERO 10 CONTINUE * DO 110 IN = 1, NIDIM N = IDIM( IN ) * IF( BANDED )THEN NK = NKB ELSE NK = 1 END IF DO 100 IK = 1, NK IF( BANDED )THEN K = KB( IK ) ELSE K = N - 1 END IF * Set LDA to 1 more than minimum value if room. IF( BANDED )THEN LDA = K + 1 ELSE LDA = N END IF IF( LDA.LT.NMAX ) $ LDA = LDA + 1 * Skip tests if not enough room. IF( LDA.GT.NMAX ) $ GO TO 100 IF( PACKED )THEN LAA = ( N*( N + 1 ) )/2 ELSE LAA = LDA*N END IF NULL = N.LE.0 * DO 90 ICU = 1, 2 UPLO = ICHU( ICU: ICU ) * DO 80 ICT = 1, 3 TRANS = ICHT( ICT: ICT ) * DO 70 ICD = 1, 2 DIAG = ICHD( ICD: ICD ) * * Generate the matrix A. * TRANSL = ZERO CALL CMAKE( SNAME( 2: 3 ), UPLO, DIAG, N, N, A, $ NMAX, AA, LDA, K, K, RESET, TRANSL ) * DO 60 IX = 1, NINC INCX = INC( IX ) LX = ABS( INCX )*N * * Generate the vector X. * TRANSL = HALF CALL CMAKE( 'GE', ' ', ' ', 1, N, X, 1, XX, $ ABS( INCX ), 0, N - 1, RESET, $ TRANSL ) IF( N.GT.1 )THEN X( N/2 ) = ZERO XX( 1 + ABS( INCX )*( N/2 - 1 ) ) = ZERO END IF * NC = NC + 1 * * Save every datum before calling the subroutine. * UPLOS = UPLO TRANSS = TRANS DIAGS = DIAG NS = N KS = K DO 20 I = 1, LAA AS( I ) = AA( I ) 20 CONTINUE LDAS = LDA DO 30 I = 1, LX XS( I ) = XX( I ) 30 CONTINUE INCXS = INCX * * Call the subroutine. * IF( SNAME( 4: 5 ).EQ.'MV' )THEN IF( FULL )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9993 )NC, SNAME, $ UPLO, TRANS, DIAG, N, LDA, INCX IF( REWI ) $ REWIND NTRA CALL CTRMV( UPLO, TRANS, DIAG, N, AA, LDA, $ XX, INCX ) ELSE IF( BANDED )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9994 )NC, SNAME, $ UPLO, TRANS, DIAG, N, K, LDA, INCX IF( REWI ) $ REWIND NTRA CALL CTBMV( UPLO, TRANS, DIAG, N, K, AA, $ LDA, XX, INCX ) ELSE IF( PACKED )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9995 )NC, SNAME, $ UPLO, TRANS, DIAG, N, INCX IF( REWI ) $ REWIND NTRA CALL CTPMV( UPLO, TRANS, DIAG, N, AA, XX, $ INCX ) END IF ELSE IF( SNAME( 4: 5 ).EQ.'SV' )THEN IF( FULL )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9993 )NC, SNAME, $ UPLO, TRANS, DIAG, N, LDA, INCX IF( REWI ) $ REWIND NTRA CALL CTRSV( UPLO, TRANS, DIAG, N, AA, LDA, $ XX, INCX ) ELSE IF( BANDED )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9994 )NC, SNAME, $ UPLO, TRANS, DIAG, N, K, LDA, INCX IF( REWI ) $ REWIND NTRA CALL CTBSV( UPLO, TRANS, DIAG, N, K, AA, $ LDA, XX, INCX ) ELSE IF( PACKED )THEN IF( TRACE ) $ WRITE( NTRA, FMT = 9995 )NC, SNAME, $ UPLO, TRANS, DIAG, N, INCX IF( REWI ) $ REWIND NTRA CALL CTPSV( UPLO, TRANS, DIAG, N, AA, XX, $ INCX ) END IF END IF * * Check if error-exit was taken incorrectly. * IF( .NOT.OK )THEN WRITE( NOUT, FMT = 9992 ) FATAL = .TRUE. GO TO 120 END IF * * See what data changed inside subroutines. * ISAME( 1 ) = UPLO.EQ.UPLOS ISAME( 2 ) = TRANS.EQ.TRANSS ISAME( 3 ) = DIAG.EQ.DIAGS ISAME( 4 ) = NS.EQ.N IF( FULL )THEN ISAME( 5 ) = LCE( AS, AA, LAA ) ISAME( 6 ) = LDAS.EQ.LDA IF( NULL )THEN ISAME( 7 ) = LCE( XS, XX, LX ) ELSE ISAME( 7 ) = LCERES( 'GE', ' ', 1, N, XS, $ XX, ABS( INCX ) ) END IF ISAME( 8 ) = INCXS.EQ.INCX ELSE IF( BANDED )THEN ISAME( 5 ) = KS.EQ.K ISAME( 6 ) = LCE( AS, AA, LAA ) ISAME( 7 ) = LDAS.EQ.LDA IF( NULL )THEN ISAME( 8 ) = LCE( XS, XX, LX ) ELSE ISAME( 8 ) = LCERES( 'GE', ' ', 1, N, XS, $ XX, ABS( INCX ) ) END IF ISAME( 9 ) = INCXS.EQ.INCX ELSE IF( PACKED )THEN ISAME( 5 ) = LCE( AS, AA, LAA ) IF( NULL )THEN ISAME( 6 ) = LCE( XS, XX, LX ) ELSE ISAME( 6 ) = LCERES( 'GE', ' ', 1, N, XS, $ XX, ABS( INCX ) ) END IF ISAME( 7 ) = INCXS.EQ.INCX END IF * * If data was incorrectly changed, report and * return. * SAME = .TRUE. DO 40 I = 1, NARGS SAME = SAME.AND.ISAME( I ) IF( .NOT.ISAME( I ) ) $ WRITE( NOUT, FMT = 9998 )I 40 CONTINUE IF( .NOT.SAME )THEN FATAL = .TRUE. GO TO 120 END IF * IF( .NOT.NULL )THEN IF( SNAME( 4: 5 ).EQ.'MV' )THEN * * Check the result. * CALL CMVCH( TRANS, N, N, ONE, A, NMAX, X, $ INCX, ZERO, Z, INCX, XT, G, $ XX, EPS, ERR, FATAL, NOUT, $ .TRUE. ) ELSE IF( SNAME( 4: 5 ).EQ.'SV' )THEN * * Compute approximation to original vector. * DO 50 I = 1, N Z( I ) = XX( 1 + ( I - 1 )* $ ABS( INCX ) ) XX( 1 + ( I - 1 )*ABS( INCX ) ) $ = X( I ) 50 CONTINUE CALL CMVCH( TRANS, N, N, ONE, A, NMAX, Z, $ INCX, ZERO, X, INCX, XT, G, $ XX, EPS, ERR, FATAL, NOUT, $ .FALSE. ) END IF ERRMAX = MAX( ERRMAX, ERR ) * If got really bad answer, report and return. IF( FATAL ) $ GO TO 120 ELSE * Avoid repeating tests with N.le.0. GO TO 110 END IF * 60 CONTINUE * 70 CONTINUE * 80 CONTINUE * 90 CONTINUE * 100 CONTINUE * 110 CONTINUE * * Report result. * IF( ERRMAX.LT.THRESH )THEN WRITE( NOUT, FMT = 9999 )SNAME, NC ELSE WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX END IF GO TO 130 * 120 CONTINUE WRITE( NOUT, FMT = 9996 )SNAME IF( FULL )THEN WRITE( NOUT, FMT = 9993 )NC, SNAME, UPLO, TRANS, DIAG, N, LDA, $ INCX ELSE IF( BANDED )THEN WRITE( NOUT, FMT = 9994 )NC, SNAME, UPLO, TRANS, DIAG, N, K, $ LDA, INCX ELSE IF( PACKED )THEN WRITE( NOUT, FMT = 9995 )NC, SNAME, UPLO, TRANS, DIAG, N, INCX END IF * 130 CONTINUE RETURN * 9999 FORMAT( ' ', A6, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL', $ 'S)' ) 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH', $ 'ANGED INCORRECTLY *******' ) 9997 FORMAT( ' ', A6, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C', $ 'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2, $ ' - SUSPECT *******' ) 9996 FORMAT( ' ******* ', A6, ' FAILED ON CALL NUMBER:' ) 9995 FORMAT( 1X, I6, ': ', A6, '(', 3( '''', A1, ''',' ), I3, ', AP, ', $ 'X,', I2, ') .' ) 9994 FORMAT( 1X, I6, ': ', A6, '(', 3( '''', A1, ''',' ), 2( I3, ',' ), $ ' A,', I3, ', X,', I2, ') .' ) 9993 FORMAT( 1X, I6, ': ', A6, '(', 3( '''', A1, ''',' ), I3, ', A,', $ I3, ', X,', I2, ') .' ) 9992 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *', $ '******' ) * * End of CCHK3. * END SUBROUTINE CCHK4( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI, $ FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC, NMAX, $ INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS, YT, G, $ Z ) * * Tests CGERC and CGERU. * * Auxiliary routine for test program for Level 2 Blas. * * -- Written on 10-August-1987. * Richard Hanson, Sandia National Labs. * Jeremy Du Croz, NAG Central Office. * * .. Parameters .. COMPLEX ZERO, HALF, ONE PARAMETER ( ZERO = ( 0.0, 0.0 ), HALF = ( 0.5, 0.0 ), $ ONE = ( 1.0, 0.0 ) ) REAL RZERO PARAMETER ( RZERO = 0.0 ) * .. Scalar Arguments .. REAL EPS, THRESH INTEGER INCMAX, NALF, NIDIM, NINC, NMAX, NOUT, NTRA LOGICAL FATAL, REWI, TRACE CHARACTER*6 SNAME * .. Array Arguments .. COMPLEX A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ), $ AS( NMAX*NMAX ), X( NMAX ), XS( NMAX*INCMAX ), $ XX( NMAX*INCMAX ), Y( NMAX ), $ YS( NMAX*INCMAX ), YT( NMAX ), $ YY( NMAX*INCMAX ), Z( NMAX ) REAL G( NMAX ) INTEGER IDIM( NIDIM ), INC( NINC ) * .. Local Scalars .. COMPLEX ALPHA, ALS, TRANSL REAL ERR, ERRMAX INTEGER I, IA, IM, IN, INCX, INCXS, INCY, INCYS, IX, $ IY, J, LAA, LDA, LDAS, LX, LY, M, MS, N, NARGS, $ NC, ND, NS LOGICAL CONJ, NULL, RESET, SAME * .. Local Arrays .. COMPLEX W( 1 ) LOGICAL ISAME( 13 ) * .. External Functions .. LOGICAL LCE, LCERES EXTERNAL LCE, LCERES * .. External Subroutines .. EXTERNAL CGERC, CGERU, CMAKE, CMVCH * .. Intrinsic Functions .. INTRINSIC ABS, CONJG, MAX, MIN * .. Scalars in Common .. INTEGER INFOT, NOUTC LOGICAL LERR, OK * .. Common blocks .. COMMON /INFOC/INFOT, NOUTC, OK, LERR * .. Executable Statements .. CONJ = SNAME( 5: 5 ).EQ.'C' * Define the number of arguments. NARGS = 9 * NC = 0 RESET = .TRUE. ERRMAX = RZERO * DO 120 IN = 1, NIDIM N = IDIM( IN ) ND = N/2 + 1 * DO 110 IM = 1, 2 IF( IM.EQ.1 ) $ M = MAX( N - ND, 0 ) IF( IM.EQ.2 ) $ M = MIN( N + ND, NMAX ) * * Set LDA to 1 more than minimum value if room. LDA = M IF( LDA.LT.NMAX ) $ LDA = LDA + 1 * Skip tests if not enough room. IF( LDA.GT.NMAX ) $ GO TO 110 LAA = LDA*N NULL = N.LE.0.OR.M.LE.0 * DO 100 IX = 1, NINC INCX = INC( IX ) LX = ABS( INCX )*M * * Generate the vector X. * TRANSL = HALF CALL CMAKE( 'GE', ' ', ' ', 1, M, X, 1, XX, ABS( INCX ), $ 0, M - 1, RESET, TRANSL ) IF( M.GT.1 )THEN X( M/2 ) = ZERO XX( 1 + ABS( INCX )*( M/2 - 1 ) ) = ZERO END IF * DO 90 IY = 1, NINC INCY = INC( IY ) LY = ABS( INCY )*N * * Generate the vector Y. * TRANSL = ZERO CALL CMAKE( 'GE', ' ', ' ', 1, N, Y, 1, YY, $ ABS( INCY ), 0, N - 1, RESET, TRANSL ) IF( N.GT.1 )THEN Y( N/2 ) = ZERO YY( 1 + ABS( INCY )*( N/2 - 1 ) ) = ZERO END IF * DO 80 IA = 1, NALF ALPHA = ALF( IA ) * * Generate the matrix A. * TRANSL = ZERO CALL CMAKE( SNAME( 2: 3 ), ' ', ' ', M, N, A, NMAX, $ AA, LDA, M - 1, N - 1, RESET, TRANSL ) * NC = NC + 1 * * Save every datum before calling the subroutine. * MS = M NS = N ALS = ALPHA DO 10 I = 1, LAA AS( I ) = AA( I ) 10 CONTINUE LDAS = LDA DO 20 I = 1, LX XS( I ) = XX( I ) 20 CONTINUE INCXS = INCX DO 30 I = 1, LY YS( I ) = YY( I ) 30 CONTINUE INCYS = INCY * * Call the subroutine. * IF( TRACE ) $ WRITE( NTRA, FMT = 9994 )NC, SNAME, M, N, $ ALPHA, INCX, INCY, LDA IF( CONJ )THEN IF( REWI ) $ REWIND NTRA CALL CGERC( M, N, ALPHA, XX, INCX, YY, INCY, AA, $ LDA ) ELSE IF( REWI ) $ REWIND NTRA CALL CGERU( M, N, ALPHA, XX, INCX, YY, INCY, AA, $ LDA ) END IF * * Check if error-exit was taken incorrectly. * IF( .NOT.OK )THEN WRITE( NOUT, FMT = 9993 ) FATAL = .TRUE. GO TO 140 END IF * * See what data changed inside subroutine. * ISAME( 1 ) = MS.EQ.M ISAME( 2 ) = NS.EQ.N ISAME( 3 ) = ALS.EQ.ALPHA ISAME( 4 ) = LCE( XS, XX, LX ) ISAME( 5 ) = INCXS.EQ.INCX ISAME( 6 ) = LCE( YS, YY, LY ) ISAME( 7 ) = INCYS.EQ.INCY IF( NULL )THEN ISAME( 8 ) = LCE( AS, AA, LAA ) ELSE ISAME( 8 ) = LCERES( 'GE', ' ', M, N, AS, AA, $ LDA ) END IF ISAME( 9 ) = LDAS.EQ.LDA * * If data was incorrectly changed, report and return. * SAME = .TRUE. DO 40 I = 1, NARGS SAME = SAME.AND.ISAME( I ) IF( .NOT.ISAME( I ) ) $ WRITE( NOUT, FMT = 9998 )I 40 CONTINUE IF( .NOT.SAME )THEN FATAL = .TRUE. GO TO 140 END IF * IF( .NOT.NULL )THEN * * Check the result column by column. * IF( INCX.GT.0 )THEN DO 50 I = 1, M Z( I ) = X( I ) 50 CONTINUE ELSE DO 60 I = 1, M Z( I ) = X( M - I + 1 ) 60 CONTINUE END IF DO 70 J = 1, N IF( INCY.GT.0 )THEN W( 1 ) = Y( J ) ELSE W( 1 ) = Y( N - J + 1 ) END IF IF( CONJ ) $ W( 1 ) = CONJG( W( 1 ) ) CALL CMVCH( 'N', M, 1, ALPHA, Z, NMAX, W, 1, $ ONE, A( 1, J ), 1, YT, G, $ AA( 1 + ( J - 1 )*LDA ), EPS, $ ERR, FATAL, NOUT, .TRUE. ) ERRMAX = MAX( ERRMAX, ERR ) * If got really bad answer, report and return. IF( FATAL ) $ GO TO 130 70 CONTINUE ELSE * Avoid repeating tests with M.le.0 or N.le.0. GO TO 110 END IF * 80 CONTINUE * 90 CONTINUE * 100 CONTINUE * 110 CONTINUE * 120 CONTINUE * * Report result. * IF( ERRMAX.LT.THRESH )THEN WRITE( NOUT, FMT = 9999 )SNAME, NC ELSE WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX END IF GO TO 150 * 130 CONTINUE WRITE( NOUT, FMT = 9995 )J * 140 CONTINUE WRITE( NOUT, FMT = 9996 )SNAME WRITE( NOUT, FMT = 9994 )NC, SNAME, M, N, ALPHA, INCX, INCY, LDA * 150 CONTINUE RETURN * 9999 FORMAT( ' ', A6, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL', $ 'S)' ) 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH', $ 'ANGED INCORRECTLY *******' ) 9997 FORMAT( ' ', A6, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C', --> -------------------- --> maximum size reached --> -------------------- ¤ Dauer der Verarbeitung: 0.39 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28