xref: /aosp_15_r20/external/cblas/testing/c_dblat3.f (revision 1858f9982ea1ad57fb52080c08594e4d1cce4fa1)
1*1858f998SYi Kong      PROGRAM DBLAT3
2*1858f998SYi Kong*
3*1858f998SYi Kong*  Test program for the DOUBLE PRECISION Level 3 Blas.
4*1858f998SYi Kong*
5*1858f998SYi Kong*  The program must be driven by a short data file. The first 13 records
6*1858f998SYi Kong*  of the file are read using list-directed input, the last 6 records
7*1858f998SYi Kong*  are read using the format ( A12, L2 ). An annotated example of a data
8*1858f998SYi Kong*  file can be obtained by deleting the first 3 characters from the
9*1858f998SYi Kong*  following 19 lines:
10*1858f998SYi Kong*  'DBLAT3.SNAP'     NAME OF SNAPSHOT OUTPUT FILE
11*1858f998SYi Kong*  -1                UNIT NUMBER OF SNAPSHOT FILE (NOT USED IF .LT. 0)
12*1858f998SYi Kong*  F        LOGICAL FLAG, T TO REWIND SNAPSHOT FILE AFTER EACH RECORD.
13*1858f998SYi Kong*  F        LOGICAL FLAG, T TO STOP ON FAILURES.
14*1858f998SYi Kong*  T        LOGICAL FLAG, T TO TEST ERROR EXITS.
15*1858f998SYi Kong*  2        0 TO TEST COLUMN-MAJOR, 1 TO TEST ROW-MAJOR, 2 TO TEST BOTH
16*1858f998SYi Kong*  16.0     THRESHOLD VALUE OF TEST RATIO
17*1858f998SYi Kong*  6                 NUMBER OF VALUES OF N
18*1858f998SYi Kong*  0 1 2 3 5 9       VALUES OF N
19*1858f998SYi Kong*  3                 NUMBER OF VALUES OF ALPHA
20*1858f998SYi Kong*  0.0 1.0 0.7       VALUES OF ALPHA
21*1858f998SYi Kong*  3                 NUMBER OF VALUES OF BETA
22*1858f998SYi Kong*  0.0 1.0 1.3       VALUES OF BETA
23*1858f998SYi Kong*  cblas_dgemm  T PUT F FOR NO TEST. SAME COLUMNS.
24*1858f998SYi Kong*  cblas_dsymm  T PUT F FOR NO TEST. SAME COLUMNS.
25*1858f998SYi Kong*  cblas_dtrmm  T PUT F FOR NO TEST. SAME COLUMNS.
26*1858f998SYi Kong*  cblas_dtrsm  T PUT F FOR NO TEST. SAME COLUMNS.
27*1858f998SYi Kong*  cblas_dsyrk  T PUT F FOR NO TEST. SAME COLUMNS.
28*1858f998SYi Kong*  cblas_dsyr2k T PUT F FOR NO TEST. SAME COLUMNS.
29*1858f998SYi Kong*
30*1858f998SYi Kong*  See:
31*1858f998SYi Kong*
32*1858f998SYi Kong*     Dongarra J. J., Du Croz J. J., Duff I. S. and Hammarling S.
33*1858f998SYi Kong*     A Set of Level 3 Basic Linear Algebra Subprograms.
34*1858f998SYi Kong*
35*1858f998SYi Kong*     Technical Memorandum No.88 (Revision 1), Mathematics and
36*1858f998SYi Kong*     Computer Science Division, Argonne National Laboratory, 9700
37*1858f998SYi Kong*     South Cass Avenue, Argonne, Illinois 60439, US.
38*1858f998SYi Kong*
39*1858f998SYi Kong*  -- Written on 8-February-1989.
40*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
41*1858f998SYi Kong*     Iain Duff, AERE Harwell.
42*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
43*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
44*1858f998SYi Kong*
45*1858f998SYi Kong*     .. Parameters ..
46*1858f998SYi Kong      INTEGER            NIN, NOUT
47*1858f998SYi Kong      PARAMETER          ( NIN = 5, NOUT = 6 )
48*1858f998SYi Kong      INTEGER            NSUBS
49*1858f998SYi Kong      PARAMETER          ( NSUBS = 6 )
50*1858f998SYi Kong      DOUBLE PRECISION   ZERO, HALF, ONE
51*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0D0, HALF = 0.5D0, ONE = 1.0D0 )
52*1858f998SYi Kong      INTEGER            NMAX
53*1858f998SYi Kong      PARAMETER          ( NMAX = 65 )
54*1858f998SYi Kong      INTEGER            NIDMAX, NALMAX, NBEMAX
55*1858f998SYi Kong      PARAMETER          ( NIDMAX = 9, NALMAX = 7, NBEMAX = 7 )
56*1858f998SYi Kong*     .. Local Scalars ..
57*1858f998SYi Kong      DOUBLE PRECISION   EPS, ERR, THRESH
58*1858f998SYi Kong      INTEGER            I, ISNUM, J, N, NALF, NBET, NIDIM, NTRA,
59*1858f998SYi Kong     $			          LAYOUT
60*1858f998SYi Kong      LOGICAL            FATAL, LTESTT, REWI, SAME, SFATAL, TRACE,
61*1858f998SYi Kong     $                   TSTERR, CORDER, RORDER
62*1858f998SYi Kong      CHARACTER*1        TRANSA, TRANSB
63*1858f998SYi Kong      CHARACTER*12       SNAMET
64*1858f998SYi Kong      CHARACTER*32       SNAPS
65*1858f998SYi Kong*     .. Local Arrays ..
66*1858f998SYi Kong      DOUBLE PRECISION   AA( NMAX*NMAX ), AB( NMAX, 2*NMAX ),
67*1858f998SYi Kong     $                   ALF( NALMAX ), AS( NMAX*NMAX ),
68*1858f998SYi Kong     $                   BB( NMAX*NMAX ), BET( NBEMAX ),
69*1858f998SYi Kong     $                   BS( NMAX*NMAX ), C( NMAX, NMAX ),
70*1858f998SYi Kong     $                   CC( NMAX*NMAX ), CS( NMAX*NMAX ), CT( NMAX ),
71*1858f998SYi Kong     $                   G( NMAX ), W( 2*NMAX )
72*1858f998SYi Kong      INTEGER            IDIM( NIDMAX )
73*1858f998SYi Kong      LOGICAL            LTEST( NSUBS )
74*1858f998SYi Kong      CHARACTER*12       SNAMES( NSUBS )
75*1858f998SYi Kong*     .. External Functions ..
76*1858f998SYi Kong      DOUBLE PRECISION   DDIFF
77*1858f998SYi Kong      LOGICAL            LDE
78*1858f998SYi Kong      EXTERNAL           DDIFF, LDE
79*1858f998SYi Kong*     .. External Subroutines ..
80*1858f998SYi Kong      EXTERNAL           DCHK1, DCHK2, DCHK3, DCHK4, DCHK5, CD3CHKE,
81*1858f998SYi Kong     $			 DMMCH
82*1858f998SYi Kong*     .. Intrinsic Functions ..
83*1858f998SYi Kong      INTRINSIC          MAX, MIN
84*1858f998SYi Kong*     .. Scalars in Common ..
85*1858f998SYi Kong      INTEGER            INFOT, NOUTC
86*1858f998SYi Kong      LOGICAL             OK
87*1858f998SYi Kong      CHARACTER*12       SRNAMT
88*1858f998SYi Kong*     .. Common blocks ..
89*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
90*1858f998SYi Kong      COMMON             /SRNAMC/SRNAMT
91*1858f998SYi Kong*     .. Data statements ..
92*1858f998SYi Kong      DATA               SNAMES/'cblas_dgemm ', 'cblas_dsymm ',
93*1858f998SYi Kong     $                   'cblas_dtrmm ', 'cblas_dtrsm ','cblas_dsyrk ',
94*1858f998SYi Kong     $                   'cblas_dsyr2k'/
95*1858f998SYi Kong*     .. Executable Statements ..
96*1858f998SYi Kong*
97*1858f998SYi Kong*     Read name and unit number for summary output file and open file.
98*1858f998SYi Kong*
99*1858f998SYi Kong      NOUTC = NOUT
100*1858f998SYi Kong*     Read name and unit number for snapshot output file and open file.
101*1858f998SYi Kong*
102*1858f998SYi Kong      READ( NIN, FMT = * )SNAPS
103*1858f998SYi Kong      READ( NIN, FMT = * )NTRA
104*1858f998SYi Kong      TRACE = NTRA.GE.0
105*1858f998SYi Kong      IF( TRACE )THEN
106*1858f998SYi Kong         OPEN( NTRA, FILE = SNAPS, STATUS = 'NEW' )
107*1858f998SYi Kong      END IF
108*1858f998SYi Kong*     Read the flag that directs rewinding of the snapshot file.
109*1858f998SYi Kong      READ( NIN, FMT = * )REWI
110*1858f998SYi Kong      REWI = REWI.AND.TRACE
111*1858f998SYi Kong*     Read the flag that directs stopping on any failure.
112*1858f998SYi Kong      READ( NIN, FMT = * )SFATAL
113*1858f998SYi Kong*     Read the flag that indicates whether error exits are to be tested.
114*1858f998SYi Kong      READ( NIN, FMT = * )TSTERR
115*1858f998SYi Kong*     Read the flag that indicates whether row-major data layout to be tested.
116*1858f998SYi Kong      READ( NIN, FMT = * )LAYOUT
117*1858f998SYi Kong*     Read the threshold value of the test ratio
118*1858f998SYi Kong      READ( NIN, FMT = * )THRESH
119*1858f998SYi Kong*
120*1858f998SYi Kong*     Read and check the parameter values for the tests.
121*1858f998SYi Kong*
122*1858f998SYi Kong*     Values of N
123*1858f998SYi Kong      READ( NIN, FMT = * )NIDIM
124*1858f998SYi Kong      IF( NIDIM.LT.1.OR.NIDIM.GT.NIDMAX )THEN
125*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'N', NIDMAX
126*1858f998SYi Kong         GO TO 220
127*1858f998SYi Kong      END IF
128*1858f998SYi Kong      READ( NIN, FMT = * )( IDIM( I ), I = 1, NIDIM )
129*1858f998SYi Kong      DO 10 I = 1, NIDIM
130*1858f998SYi Kong         IF( IDIM( I ).LT.0.OR.IDIM( I ).GT.NMAX )THEN
131*1858f998SYi Kong            WRITE( NOUT, FMT = 9996 )NMAX
132*1858f998SYi Kong            GO TO 220
133*1858f998SYi Kong         END IF
134*1858f998SYi Kong   10 CONTINUE
135*1858f998SYi Kong*     Values of ALPHA
136*1858f998SYi Kong      READ( NIN, FMT = * )NALF
137*1858f998SYi Kong      IF( NALF.LT.1.OR.NALF.GT.NALMAX )THEN
138*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'ALPHA', NALMAX
139*1858f998SYi Kong         GO TO 220
140*1858f998SYi Kong      END IF
141*1858f998SYi Kong      READ( NIN, FMT = * )( ALF( I ), I = 1, NALF )
142*1858f998SYi Kong*     Values of BETA
143*1858f998SYi Kong      READ( NIN, FMT = * )NBET
144*1858f998SYi Kong      IF( NBET.LT.1.OR.NBET.GT.NBEMAX )THEN
145*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'BETA', NBEMAX
146*1858f998SYi Kong         GO TO 220
147*1858f998SYi Kong      END IF
148*1858f998SYi Kong      READ( NIN, FMT = * )( BET( I ), I = 1, NBET )
149*1858f998SYi Kong*
150*1858f998SYi Kong*     Report values of parameters.
151*1858f998SYi Kong*
152*1858f998SYi Kong      WRITE( NOUT, FMT = 9995 )
153*1858f998SYi Kong      WRITE( NOUT, FMT = 9994 )( IDIM( I ), I = 1, NIDIM )
154*1858f998SYi Kong      WRITE( NOUT, FMT = 9993 )( ALF( I ), I = 1, NALF )
155*1858f998SYi Kong      WRITE( NOUT, FMT = 9992 )( BET( I ), I = 1, NBET )
156*1858f998SYi Kong      IF( .NOT.TSTERR )THEN
157*1858f998SYi Kong         WRITE( NOUT, FMT = * )
158*1858f998SYi Kong         WRITE( NOUT, FMT = 9984 )
159*1858f998SYi Kong      END IF
160*1858f998SYi Kong      WRITE( NOUT, FMT = * )
161*1858f998SYi Kong      WRITE( NOUT, FMT = 9999 )THRESH
162*1858f998SYi Kong      WRITE( NOUT, FMT = * )
163*1858f998SYi Kong
164*1858f998SYi Kong      RORDER = .FALSE.
165*1858f998SYi Kong      CORDER = .FALSE.
166*1858f998SYi Kong      IF (LAYOUT.EQ.2) THEN
167*1858f998SYi Kong         RORDER = .TRUE.
168*1858f998SYi Kong         CORDER = .TRUE.
169*1858f998SYi Kong         WRITE( *, FMT = 10002 )
170*1858f998SYi Kong      ELSE IF (LAYOUT.EQ.1) THEN
171*1858f998SYi Kong         RORDER = .TRUE.
172*1858f998SYi Kong         WRITE( *, FMT = 10001 )
173*1858f998SYi Kong      ELSE IF (LAYOUT.EQ.0) THEN
174*1858f998SYi Kong         CORDER = .TRUE.
175*1858f998SYi Kong         WRITE( *, FMT = 10000 )
176*1858f998SYi Kong      END IF
177*1858f998SYi Kong      WRITE( *, FMT = * )
178*1858f998SYi Kong
179*1858f998SYi Kong*
180*1858f998SYi Kong*     Read names of subroutines and flags which indicate
181*1858f998SYi Kong*     whether they are to be tested.
182*1858f998SYi Kong*
183*1858f998SYi Kong      DO 20 I = 1, NSUBS
184*1858f998SYi Kong         LTEST( I ) = .FALSE.
185*1858f998SYi Kong   20 CONTINUE
186*1858f998SYi Kong   30 READ( NIN, FMT = 9988, END = 60 )SNAMET, LTESTT
187*1858f998SYi Kong      DO 40 I = 1, NSUBS
188*1858f998SYi Kong         IF( SNAMET.EQ.SNAMES( I ) )
189*1858f998SYi Kong     $      GO TO 50
190*1858f998SYi Kong   40 CONTINUE
191*1858f998SYi Kong      WRITE( NOUT, FMT = 9990 )SNAMET
192*1858f998SYi Kong      STOP
193*1858f998SYi Kong   50 LTEST( I ) = LTESTT
194*1858f998SYi Kong      GO TO 30
195*1858f998SYi Kong*
196*1858f998SYi Kong   60 CONTINUE
197*1858f998SYi Kong      CLOSE ( NIN )
198*1858f998SYi Kong*
199*1858f998SYi Kong*     Compute EPS (the machine precision).
200*1858f998SYi Kong*
201*1858f998SYi Kong      EPS = ONE
202*1858f998SYi Kong   70 CONTINUE
203*1858f998SYi Kong      IF( DDIFF( ONE + EPS, ONE ).EQ.ZERO )
204*1858f998SYi Kong     $   GO TO 80
205*1858f998SYi Kong      EPS = HALF*EPS
206*1858f998SYi Kong      GO TO 70
207*1858f998SYi Kong   80 CONTINUE
208*1858f998SYi Kong      EPS = EPS + EPS
209*1858f998SYi Kong      WRITE( NOUT, FMT = 9998 )EPS
210*1858f998SYi Kong*
211*1858f998SYi Kong*     Check the reliability of DMMCH using exact data.
212*1858f998SYi Kong*
213*1858f998SYi Kong      N = MIN( 32, NMAX )
214*1858f998SYi Kong      DO 100 J = 1, N
215*1858f998SYi Kong         DO 90 I = 1, N
216*1858f998SYi Kong            AB( I, J ) = MAX( I - J + 1, 0 )
217*1858f998SYi Kong   90    CONTINUE
218*1858f998SYi Kong         AB( J, NMAX + 1 ) = J
219*1858f998SYi Kong         AB( 1, NMAX + J ) = J
220*1858f998SYi Kong         C( J, 1 ) = ZERO
221*1858f998SYi Kong  100 CONTINUE
222*1858f998SYi Kong      DO 110 J = 1, N
223*1858f998SYi Kong         CC( J ) = J*( ( J + 1 )*J )/2 - ( ( J + 1 )*J*( J - 1 ) )/3
224*1858f998SYi Kong  110 CONTINUE
225*1858f998SYi Kong*     CC holds the exact result. On exit from DMMCH CT holds
226*1858f998SYi Kong*     the result computed by DMMCH.
227*1858f998SYi Kong      TRANSA = 'N'
228*1858f998SYi Kong      TRANSB = 'N'
229*1858f998SYi Kong      CALL DMMCH( TRANSA, TRANSB, N, 1, N, ONE, AB, NMAX,
230*1858f998SYi Kong     $            AB( 1, NMAX + 1 ), NMAX, ZERO, C, NMAX, CT, G, CC,
231*1858f998SYi Kong     $            NMAX, EPS, ERR, FATAL, NOUT, .TRUE. )
232*1858f998SYi Kong      SAME = LDE( CC, CT, N )
233*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.ZERO )THEN
234*1858f998SYi Kong         WRITE( NOUT, FMT = 9989 )TRANSA, TRANSB, SAME, ERR
235*1858f998SYi Kong         STOP
236*1858f998SYi Kong      END IF
237*1858f998SYi Kong      TRANSB = 'T'
238*1858f998SYi Kong      CALL DMMCH( TRANSA, TRANSB, N, 1, N, ONE, AB, NMAX,
239*1858f998SYi Kong     $            AB( 1, NMAX + 1 ), NMAX, ZERO, C, NMAX, CT, G, CC,
240*1858f998SYi Kong     $            NMAX, EPS, ERR, FATAL, NOUT, .TRUE. )
241*1858f998SYi Kong      SAME = LDE( CC, CT, N )
242*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.ZERO )THEN
243*1858f998SYi Kong         WRITE( NOUT, FMT = 9989 )TRANSA, TRANSB, SAME, ERR
244*1858f998SYi Kong         STOP
245*1858f998SYi Kong      END IF
246*1858f998SYi Kong      DO 120 J = 1, N
247*1858f998SYi Kong         AB( J, NMAX + 1 ) = N - J + 1
248*1858f998SYi Kong         AB( 1, NMAX + J ) = N - J + 1
249*1858f998SYi Kong  120 CONTINUE
250*1858f998SYi Kong      DO 130 J = 1, N
251*1858f998SYi Kong         CC( N - J + 1 ) = J*( ( J + 1 )*J )/2 -
252*1858f998SYi Kong     $                     ( ( J + 1 )*J*( J - 1 ) )/3
253*1858f998SYi Kong  130 CONTINUE
254*1858f998SYi Kong      TRANSA = 'T'
255*1858f998SYi Kong      TRANSB = 'N'
256*1858f998SYi Kong      CALL DMMCH( TRANSA, TRANSB, N, 1, N, ONE, AB, NMAX,
257*1858f998SYi Kong     $            AB( 1, NMAX + 1 ), NMAX, ZERO, C, NMAX, CT, G, CC,
258*1858f998SYi Kong     $            NMAX, EPS, ERR, FATAL, NOUT, .TRUE. )
259*1858f998SYi Kong      SAME = LDE( CC, CT, N )
260*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.ZERO )THEN
261*1858f998SYi Kong         WRITE( NOUT, FMT = 9989 )TRANSA, TRANSB, SAME, ERR
262*1858f998SYi Kong         STOP
263*1858f998SYi Kong      END IF
264*1858f998SYi Kong      TRANSB = 'T'
265*1858f998SYi Kong      CALL DMMCH( TRANSA, TRANSB, N, 1, N, ONE, AB, NMAX,
266*1858f998SYi Kong     $            AB( 1, NMAX + 1 ), NMAX, ZERO, C, NMAX, CT, G, CC,
267*1858f998SYi Kong     $            NMAX, EPS, ERR, FATAL, NOUT, .TRUE. )
268*1858f998SYi Kong      SAME = LDE( CC, CT, N )
269*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.ZERO )THEN
270*1858f998SYi Kong         WRITE( NOUT, FMT = 9989 )TRANSA, TRANSB, SAME, ERR
271*1858f998SYi Kong         STOP
272*1858f998SYi Kong      END IF
273*1858f998SYi Kong*
274*1858f998SYi Kong*     Test each subroutine in turn.
275*1858f998SYi Kong*
276*1858f998SYi Kong      DO 200 ISNUM = 1, NSUBS
277*1858f998SYi Kong         WRITE( NOUT, FMT = * )
278*1858f998SYi Kong         IF( .NOT.LTEST( ISNUM ) )THEN
279*1858f998SYi Kong*           Subprogram is not to be tested.
280*1858f998SYi Kong            WRITE( NOUT, FMT = 9987 )SNAMES( ISNUM )
281*1858f998SYi Kong         ELSE
282*1858f998SYi Kong            SRNAMT = SNAMES( ISNUM )
283*1858f998SYi Kong*           Test error exits.
284*1858f998SYi Kong            IF( TSTERR )THEN
285*1858f998SYi Kong               CALL CD3CHKE( SNAMES( ISNUM ) )
286*1858f998SYi Kong               WRITE( NOUT, FMT = * )
287*1858f998SYi Kong            END IF
288*1858f998SYi Kong*           Test computations.
289*1858f998SYi Kong            INFOT = 0
290*1858f998SYi Kong            OK = .TRUE.
291*1858f998SYi Kong            FATAL = .FALSE.
292*1858f998SYi Kong            GO TO ( 140, 150, 160, 160, 170, 180 )ISNUM
293*1858f998SYi Kong*           Test DGEMM, 01.
294*1858f998SYi Kong  140       IF (CORDER) THEN
295*1858f998SYi Kong            CALL DCHK1( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
296*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
297*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
298*1858f998SYi Kong     $                  CC, CS, CT, G, 0 )
299*1858f998SYi Kong            END IF
300*1858f998SYi Kong            IF (RORDER) THEN
301*1858f998SYi Kong            CALL DCHK1( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
302*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
303*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
304*1858f998SYi Kong     $                  CC, CS, CT, G, 1 )
305*1858f998SYi Kong            END IF
306*1858f998SYi Kong            GO TO 190
307*1858f998SYi Kong*           Test DSYMM, 02.
308*1858f998SYi Kong  150       IF (CORDER) THEN
309*1858f998SYi Kong            CALL DCHK2( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
310*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
311*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
312*1858f998SYi Kong     $                  CC, CS, CT, G, 0 )
313*1858f998SYi Kong            END IF
314*1858f998SYi Kong            IF (RORDER) THEN
315*1858f998SYi Kong            CALL DCHK2( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
316*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
317*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
318*1858f998SYi Kong     $                  CC, CS, CT, G, 1 )
319*1858f998SYi Kong            END IF
320*1858f998SYi Kong            GO TO 190
321*1858f998SYi Kong*           Test DTRMM, 03, DTRSM, 04.
322*1858f998SYi Kong  160       IF (CORDER) THEN
323*1858f998SYi Kong            CALL DCHK3( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
324*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NMAX, AB,
325*1858f998SYi Kong     $                  AA, AS, AB( 1, NMAX + 1 ), BB, BS, CT, G, C,
326*1858f998SYi Kong     $			0 )
327*1858f998SYi Kong            END IF
328*1858f998SYi Kong            IF (RORDER) THEN
329*1858f998SYi Kong            CALL DCHK3( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
330*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NMAX, AB,
331*1858f998SYi Kong     $                  AA, AS, AB( 1, NMAX + 1 ), BB, BS, CT, G, C,
332*1858f998SYi Kong     $			1 )
333*1858f998SYi Kong            END IF
334*1858f998SYi Kong            GO TO 190
335*1858f998SYi Kong*           Test DSYRK, 05.
336*1858f998SYi Kong  170       IF (CORDER) THEN
337*1858f998SYi Kong            CALL DCHK4( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
338*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
339*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
340*1858f998SYi Kong     $                  CC, CS, CT, G, 0 )
341*1858f998SYi Kong            END IF
342*1858f998SYi Kong            IF (RORDER) THEN
343*1858f998SYi Kong            CALL DCHK4( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
344*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
345*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
346*1858f998SYi Kong     $                  CC, CS, CT, G, 1 )
347*1858f998SYi Kong            END IF
348*1858f998SYi Kong            GO TO 190
349*1858f998SYi Kong*           Test DSYR2K, 06.
350*1858f998SYi Kong  180       IF (CORDER) THEN
351*1858f998SYi Kong            CALL DCHK5( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
352*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
353*1858f998SYi Kong     $                  NMAX, AB, AA, AS, BB, BS, C, CC, CS, CT, G, W,
354*1858f998SYi Kong     $			0 )
355*1858f998SYi Kong            END IF
356*1858f998SYi Kong            IF (RORDER) THEN
357*1858f998SYi Kong            CALL DCHK5( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
358*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
359*1858f998SYi Kong     $                  NMAX, AB, AA, AS, BB, BS, C, CC, CS, CT, G, W,
360*1858f998SYi Kong     $			1 )
361*1858f998SYi Kong            END IF
362*1858f998SYi Kong            GO TO 190
363*1858f998SYi Kong*
364*1858f998SYi Kong  190       IF( FATAL.AND.SFATAL )
365*1858f998SYi Kong     $         GO TO 210
366*1858f998SYi Kong         END IF
367*1858f998SYi Kong  200 CONTINUE
368*1858f998SYi Kong      WRITE( NOUT, FMT = 9986 )
369*1858f998SYi Kong      GO TO 230
370*1858f998SYi Kong*
371*1858f998SYi Kong  210 CONTINUE
372*1858f998SYi Kong      WRITE( NOUT, FMT = 9985 )
373*1858f998SYi Kong      GO TO 230
374*1858f998SYi Kong*
375*1858f998SYi Kong  220 CONTINUE
376*1858f998SYi Kong      WRITE( NOUT, FMT = 9991 )
377*1858f998SYi Kong*
378*1858f998SYi Kong  230 CONTINUE
379*1858f998SYi Kong      IF( TRACE )
380*1858f998SYi Kong     $   CLOSE ( NTRA )
381*1858f998SYi Kong      CLOSE ( NOUT )
382*1858f998SYi Kong      STOP
383*1858f998SYi Kong*
384*1858f998SYi Kong10002 FORMAT( ' COLUMN-MAJOR AND ROW-MAJOR DATA LAYOUTS ARE TESTED' )
385*1858f998SYi Kong10001 FORMAT( ' ROW-MAJOR DATA LAYOUT IS TESTED' )
386*1858f998SYi Kong10000 FORMAT( ' COLUMN-MAJOR DATA LAYOUT IS TESTED' )
387*1858f998SYi Kong 9999 FORMAT( ' ROUTINES PASS COMPUTATIONAL TESTS IF TEST RATIO IS LES',
388*1858f998SYi Kong     $      'S THAN', F8.2 )
389*1858f998SYi Kong 9998 FORMAT( ' RELATIVE MACHINE PRECISION IS TAKEN TO BE', 1P, D9.1 )
390*1858f998SYi Kong 9997 FORMAT( ' NUMBER OF VALUES OF ', A, ' IS LESS THAN 1 OR GREATER ',
391*1858f998SYi Kong     $      'THAN ', I2 )
392*1858f998SYi Kong 9996 FORMAT( ' VALUE OF N IS LESS THAN 0 OR GREATER THAN ', I2 )
393*1858f998SYi Kong 9995 FORMAT( ' TESTS OF THE DOUBLE PRECISION LEVEL 3 BLAS', //' THE F',
394*1858f998SYi Kong     $      'OLLOWING PARAMETER VALUES WILL BE USED:' )
395*1858f998SYi Kong 9994 FORMAT( '   FOR N              ', 9I6 )
396*1858f998SYi Kong 9993 FORMAT( '   FOR ALPHA          ', 7F6.1 )
397*1858f998SYi Kong 9992 FORMAT( '   FOR BETA           ', 7F6.1 )
398*1858f998SYi Kong 9991 FORMAT( ' AMEND DATA FILE OR INCREASE ARRAY SIZES IN PROGRAM',
399*1858f998SYi Kong     $      /' ******* TESTS ABANDONED *******' )
400*1858f998SYi Kong 9990 FORMAT( ' SUBPROGRAM NAME ', A12,' NOT RECOGNIZED', /' ******* T',
401*1858f998SYi Kong     $      'ESTS ABANDONED *******' )
402*1858f998SYi Kong 9989 FORMAT( ' ERROR IN DMMCH -  IN-LINE DOT PRODUCTS ARE BEING EVALU',
403*1858f998SYi Kong     $      'ATED WRONGLY.', /' DMMCH WAS CALLED WITH TRANSA = ', A1,
404*1858f998SYi Kong     $      ' AND TRANSB = ', A1, /' AND RETURNED SAME = ', L1, ' AND ',
405*1858f998SYi Kong     $      'ERR = ', F12.3, '.', /' THIS MAY BE DUE TO FAULTS IN THE ',
406*1858f998SYi Kong     $      'ARITHMETIC OR THE COMPILER.', /' ******* TESTS ABANDONED ',
407*1858f998SYi Kong     $      '*******' )
408*1858f998SYi Kong 9988 FORMAT( A12,L2 )
409*1858f998SYi Kong 9987 FORMAT( 1X, A12,' WAS NOT TESTED' )
410*1858f998SYi Kong 9986 FORMAT( /' END OF TESTS' )
411*1858f998SYi Kong 9985 FORMAT( /' ******* FATAL ERROR - TESTS ABANDONED *******' )
412*1858f998SYi Kong 9984 FORMAT( ' ERROR-EXITS WILL NOT BE TESTED' )
413*1858f998SYi Kong*
414*1858f998SYi Kong*     End of DBLAT3.
415*1858f998SYi Kong*
416*1858f998SYi Kong      END
417*1858f998SYi Kong      SUBROUTINE DCHK1( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
418*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
419*1858f998SYi Kong     $                  A, AA, AS, B, BB, BS, C, CC, CS, CT, G, IORDER)
420*1858f998SYi Kong*
421*1858f998SYi Kong*  Tests DGEMM.
422*1858f998SYi Kong*
423*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
424*1858f998SYi Kong*
425*1858f998SYi Kong*  -- Written on 8-February-1989.
426*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
427*1858f998SYi Kong*     Iain Duff, AERE Harwell.
428*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
429*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
430*1858f998SYi Kong*
431*1858f998SYi Kong*     .. Parameters ..
432*1858f998SYi Kong      DOUBLE PRECISION   ZERO
433*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0D0 )
434*1858f998SYi Kong*     .. Scalar Arguments ..
435*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
436*1858f998SYi Kong      INTEGER            NALF, NBET, NIDIM, NMAX, NOUT, NTRA, IORDER
437*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
438*1858f998SYi Kong      CHARACTER*12       SNAME
439*1858f998SYi Kong*     .. Array Arguments ..
440*1858f998SYi Kong      DOUBLE PRECISION   A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
441*1858f998SYi Kong     $                   AS( NMAX*NMAX ), B( NMAX, NMAX ),
442*1858f998SYi Kong     $                   BB( NMAX*NMAX ), BET( NBET ), BS( NMAX*NMAX ),
443*1858f998SYi Kong     $                   C( NMAX, NMAX ), CC( NMAX*NMAX ),
444*1858f998SYi Kong     $                   CS( NMAX*NMAX ), CT( NMAX ), G( NMAX )
445*1858f998SYi Kong      INTEGER            IDIM( NIDIM )
446*1858f998SYi Kong*     .. Local Scalars ..
447*1858f998SYi Kong      DOUBLE PRECISION   ALPHA, ALS, BETA, BLS, ERR, ERRMAX
448*1858f998SYi Kong      INTEGER            I, IA, IB, ICA, ICB, IK, IM, IN, K, KS, LAA,
449*1858f998SYi Kong     $                   LBB, LCC, LDA, LDAS, LDB, LDBS, LDC, LDCS, M,
450*1858f998SYi Kong     $                   MA, MB, MS, N, NA, NARGS, NB, NC, NS
451*1858f998SYi Kong      LOGICAL            NULL, RESET, SAME, TRANA, TRANB
452*1858f998SYi Kong      CHARACTER*1        TRANAS, TRANBS, TRANSA, TRANSB
453*1858f998SYi Kong      CHARACTER*3        ICH
454*1858f998SYi Kong*     .. Local Arrays ..
455*1858f998SYi Kong      LOGICAL            ISAME( 13 )
456*1858f998SYi Kong*     .. External Functions ..
457*1858f998SYi Kong      LOGICAL            LDE, LDERES
458*1858f998SYi Kong      EXTERNAL           LDE, LDERES
459*1858f998SYi Kong*     .. External Subroutines ..
460*1858f998SYi Kong      EXTERNAL           CDGEMM, DMAKE, DMMCH
461*1858f998SYi Kong*     .. Intrinsic Functions ..
462*1858f998SYi Kong      INTRINSIC          MAX
463*1858f998SYi Kong*     .. Scalars in Common ..
464*1858f998SYi Kong      INTEGER            INFOT, NOUTC
465*1858f998SYi Kong      LOGICAL             OK
466*1858f998SYi Kong*     .. Common blocks ..
467*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
468*1858f998SYi Kong*     .. Data statements ..
469*1858f998SYi Kong      DATA               ICH/'NTC'/
470*1858f998SYi Kong*     .. Executable Statements ..
471*1858f998SYi Kong*
472*1858f998SYi Kong      NARGS = 13
473*1858f998SYi Kong      NC = 0
474*1858f998SYi Kong      RESET = .TRUE.
475*1858f998SYi Kong      ERRMAX = ZERO
476*1858f998SYi Kong*
477*1858f998SYi Kong      DO 110 IM = 1, NIDIM
478*1858f998SYi Kong         M = IDIM( IM )
479*1858f998SYi Kong*
480*1858f998SYi Kong         DO 100 IN = 1, NIDIM
481*1858f998SYi Kong            N = IDIM( IN )
482*1858f998SYi Kong*           Set LDC to 1 more than minimum value if room.
483*1858f998SYi Kong            LDC = M
484*1858f998SYi Kong            IF( LDC.LT.NMAX )
485*1858f998SYi Kong     $         LDC = LDC + 1
486*1858f998SYi Kong*           Skip tests if not enough room.
487*1858f998SYi Kong            IF( LDC.GT.NMAX )
488*1858f998SYi Kong     $         GO TO 100
489*1858f998SYi Kong            LCC = LDC*N
490*1858f998SYi Kong            NULL = N.LE.0.OR.M.LE.0
491*1858f998SYi Kong*
492*1858f998SYi Kong            DO 90 IK = 1, NIDIM
493*1858f998SYi Kong               K = IDIM( IK )
494*1858f998SYi Kong*
495*1858f998SYi Kong               DO 80 ICA = 1, 3
496*1858f998SYi Kong                  TRANSA = ICH( ICA: ICA )
497*1858f998SYi Kong                  TRANA = TRANSA.EQ.'T'.OR.TRANSA.EQ.'C'
498*1858f998SYi Kong*
499*1858f998SYi Kong                  IF( TRANA )THEN
500*1858f998SYi Kong                     MA = K
501*1858f998SYi Kong                     NA = M
502*1858f998SYi Kong                  ELSE
503*1858f998SYi Kong                     MA = M
504*1858f998SYi Kong                     NA = K
505*1858f998SYi Kong                  END IF
506*1858f998SYi Kong*                 Set LDA to 1 more than minimum value if room.
507*1858f998SYi Kong                  LDA = MA
508*1858f998SYi Kong                  IF( LDA.LT.NMAX )
509*1858f998SYi Kong     $               LDA = LDA + 1
510*1858f998SYi Kong*                 Skip tests if not enough room.
511*1858f998SYi Kong                  IF( LDA.GT.NMAX )
512*1858f998SYi Kong     $               GO TO 80
513*1858f998SYi Kong                  LAA = LDA*NA
514*1858f998SYi Kong*
515*1858f998SYi Kong*                 Generate the matrix A.
516*1858f998SYi Kong*
517*1858f998SYi Kong                  CALL DMAKE( 'GE', ' ', ' ', MA, NA, A, NMAX, AA, LDA,
518*1858f998SYi Kong     $                        RESET, ZERO )
519*1858f998SYi Kong*
520*1858f998SYi Kong                  DO 70 ICB = 1, 3
521*1858f998SYi Kong                     TRANSB = ICH( ICB: ICB )
522*1858f998SYi Kong                     TRANB = TRANSB.EQ.'T'.OR.TRANSB.EQ.'C'
523*1858f998SYi Kong*
524*1858f998SYi Kong                     IF( TRANB )THEN
525*1858f998SYi Kong                        MB = N
526*1858f998SYi Kong                        NB = K
527*1858f998SYi Kong                     ELSE
528*1858f998SYi Kong                        MB = K
529*1858f998SYi Kong                        NB = N
530*1858f998SYi Kong                     END IF
531*1858f998SYi Kong*                    Set LDB to 1 more than minimum value if room.
532*1858f998SYi Kong                     LDB = MB
533*1858f998SYi Kong                     IF( LDB.LT.NMAX )
534*1858f998SYi Kong     $                  LDB = LDB + 1
535*1858f998SYi Kong*                    Skip tests if not enough room.
536*1858f998SYi Kong                     IF( LDB.GT.NMAX )
537*1858f998SYi Kong     $                  GO TO 70
538*1858f998SYi Kong                     LBB = LDB*NB
539*1858f998SYi Kong*
540*1858f998SYi Kong*                    Generate the matrix B.
541*1858f998SYi Kong*
542*1858f998SYi Kong                     CALL DMAKE( 'GE', ' ', ' ', MB, NB, B, NMAX, BB,
543*1858f998SYi Kong     $                           LDB, RESET, ZERO )
544*1858f998SYi Kong*
545*1858f998SYi Kong                     DO 60 IA = 1, NALF
546*1858f998SYi Kong                        ALPHA = ALF( IA )
547*1858f998SYi Kong*
548*1858f998SYi Kong                        DO 50 IB = 1, NBET
549*1858f998SYi Kong                           BETA = BET( IB )
550*1858f998SYi Kong*
551*1858f998SYi Kong*                          Generate the matrix C.
552*1858f998SYi Kong*
553*1858f998SYi Kong                           CALL DMAKE( 'GE', ' ', ' ', M, N, C, NMAX,
554*1858f998SYi Kong     $                                 CC, LDC, RESET, ZERO )
555*1858f998SYi Kong*
556*1858f998SYi Kong                           NC = NC + 1
557*1858f998SYi Kong*
558*1858f998SYi Kong*                          Save every datum before calling the
559*1858f998SYi Kong*                          subroutine.
560*1858f998SYi Kong*
561*1858f998SYi Kong                           TRANAS = TRANSA
562*1858f998SYi Kong                           TRANBS = TRANSB
563*1858f998SYi Kong                           MS = M
564*1858f998SYi Kong                           NS = N
565*1858f998SYi Kong                           KS = K
566*1858f998SYi Kong                           ALS = ALPHA
567*1858f998SYi Kong                           DO 10 I = 1, LAA
568*1858f998SYi Kong                              AS( I ) = AA( I )
569*1858f998SYi Kong   10                      CONTINUE
570*1858f998SYi Kong                           LDAS = LDA
571*1858f998SYi Kong                           DO 20 I = 1, LBB
572*1858f998SYi Kong                              BS( I ) = BB( I )
573*1858f998SYi Kong   20                      CONTINUE
574*1858f998SYi Kong                           LDBS = LDB
575*1858f998SYi Kong                           BLS = BETA
576*1858f998SYi Kong                           DO 30 I = 1, LCC
577*1858f998SYi Kong                              CS( I ) = CC( I )
578*1858f998SYi Kong   30                      CONTINUE
579*1858f998SYi Kong                           LDCS = LDC
580*1858f998SYi Kong*
581*1858f998SYi Kong*                          Call the subroutine.
582*1858f998SYi Kong*
583*1858f998SYi Kong                           IF( TRACE )
584*1858f998SYi Kong     $                        CALL DPRCN1(NTRA, NC, SNAME, IORDER,
585*1858f998SYi Kong     $                        TRANSA, TRANSB, M, N, K, ALPHA, LDA,
586*1858f998SYi Kong     $                        LDB, BETA, LDC)
587*1858f998SYi Kong                           IF( REWI )
588*1858f998SYi Kong     $                        REWIND NTRA
589*1858f998SYi Kong                           CALL CDGEMM( IORDER, TRANSA, TRANSB, M, N,
590*1858f998SYi Kong     $                                   K, ALPHA, AA, LDA, BB, LDB,
591*1858f998SYi Kong     $					 BETA, CC, LDC )
592*1858f998SYi Kong*
593*1858f998SYi Kong*                          Check if error-exit was taken incorrectly.
594*1858f998SYi Kong*
595*1858f998SYi Kong                           IF( .NOT.OK )THEN
596*1858f998SYi Kong                              WRITE( NOUT, FMT = 9994 )
597*1858f998SYi Kong                              FATAL = .TRUE.
598*1858f998SYi Kong                              GO TO 120
599*1858f998SYi Kong                           END IF
600*1858f998SYi Kong*
601*1858f998SYi Kong*                          See what data changed inside subroutines.
602*1858f998SYi Kong*
603*1858f998SYi Kong                           ISAME( 1 ) = TRANSA.EQ.TRANAS
604*1858f998SYi Kong                           ISAME( 2 ) = TRANSB.EQ.TRANBS
605*1858f998SYi Kong                           ISAME( 3 ) = MS.EQ.M
606*1858f998SYi Kong                           ISAME( 4 ) = NS.EQ.N
607*1858f998SYi Kong                           ISAME( 5 ) = KS.EQ.K
608*1858f998SYi Kong                           ISAME( 6 ) = ALS.EQ.ALPHA
609*1858f998SYi Kong                           ISAME( 7 ) = LDE( AS, AA, LAA )
610*1858f998SYi Kong                           ISAME( 8 ) = LDAS.EQ.LDA
611*1858f998SYi Kong                           ISAME( 9 ) = LDE( BS, BB, LBB )
612*1858f998SYi Kong                           ISAME( 10 ) = LDBS.EQ.LDB
613*1858f998SYi Kong                           ISAME( 11 ) = BLS.EQ.BETA
614*1858f998SYi Kong                           IF( NULL )THEN
615*1858f998SYi Kong                              ISAME( 12 ) = LDE( CS, CC, LCC )
616*1858f998SYi Kong                           ELSE
617*1858f998SYi Kong                              ISAME( 12 ) = LDERES( 'GE', ' ', M, N, CS,
618*1858f998SYi Kong     $                                      CC, LDC )
619*1858f998SYi Kong                           END IF
620*1858f998SYi Kong                           ISAME( 13 ) = LDCS.EQ.LDC
621*1858f998SYi Kong*
622*1858f998SYi Kong*                          If data was incorrectly changed, report
623*1858f998SYi Kong*                          and return.
624*1858f998SYi Kong*
625*1858f998SYi Kong                           SAME = .TRUE.
626*1858f998SYi Kong                           DO 40 I = 1, NARGS
627*1858f998SYi Kong                              SAME = SAME.AND.ISAME( I )
628*1858f998SYi Kong                              IF( .NOT.ISAME( I ) )
629*1858f998SYi Kong     $                           WRITE( NOUT, FMT = 9998 )I
630*1858f998SYi Kong   40                      CONTINUE
631*1858f998SYi Kong                           IF( .NOT.SAME )THEN
632*1858f998SYi Kong                              FATAL = .TRUE.
633*1858f998SYi Kong                              GO TO 120
634*1858f998SYi Kong                           END IF
635*1858f998SYi Kong*
636*1858f998SYi Kong                           IF( .NOT.NULL )THEN
637*1858f998SYi Kong*
638*1858f998SYi Kong*                             Check the result.
639*1858f998SYi Kong*
640*1858f998SYi Kong                              CALL DMMCH( TRANSA, TRANSB, M, N, K,
641*1858f998SYi Kong     $                                    ALPHA, A, NMAX, B, NMAX, BETA,
642*1858f998SYi Kong     $                                    C, NMAX, CT, G, CC, LDC, EPS,
643*1858f998SYi Kong     $                                    ERR, FATAL, NOUT, .TRUE. )
644*1858f998SYi Kong                              ERRMAX = MAX( ERRMAX, ERR )
645*1858f998SYi Kong*                             If got really bad answer, report and
646*1858f998SYi Kong*                             return.
647*1858f998SYi Kong                              IF( FATAL )
648*1858f998SYi Kong     $                           GO TO 120
649*1858f998SYi Kong                           END IF
650*1858f998SYi Kong*
651*1858f998SYi Kong   50                   CONTINUE
652*1858f998SYi Kong*
653*1858f998SYi Kong   60                CONTINUE
654*1858f998SYi Kong*
655*1858f998SYi Kong   70             CONTINUE
656*1858f998SYi Kong*
657*1858f998SYi Kong   80          CONTINUE
658*1858f998SYi Kong*
659*1858f998SYi Kong   90       CONTINUE
660*1858f998SYi Kong*
661*1858f998SYi Kong  100    CONTINUE
662*1858f998SYi Kong*
663*1858f998SYi Kong  110 CONTINUE
664*1858f998SYi Kong*
665*1858f998SYi Kong*     Report result.
666*1858f998SYi Kong*
667*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
668*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10000 )SNAME, NC
669*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10001 )SNAME, NC
670*1858f998SYi Kong      ELSE
671*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10002 )SNAME, NC, ERRMAX
672*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10003 )SNAME, NC, ERRMAX
673*1858f998SYi Kong      END IF
674*1858f998SYi Kong      GO TO 130
675*1858f998SYi Kong*
676*1858f998SYi Kong  120 CONTINUE
677*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
678*1858f998SYi Kong      CALL DPRCN1(NOUT, NC, SNAME, IORDER, TRANSA, TRANSB,
679*1858f998SYi Kong     $           M, N, K, ALPHA, LDA, LDB, BETA, LDC)
680*1858f998SYi Kong*
681*1858f998SYi Kong  130 CONTINUE
682*1858f998SYi Kong      RETURN
683*1858f998SYi Kong*
684*1858f998SYi Kong10003 FORMAT( ' ', A12,' COMPLETED THE ROW-MAJOR    COMPUTATIONAL ',
685*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
686*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
687*1858f998SYi Kong10002 FORMAT( ' ', A12,' COMPLETED THE COLUMN-MAJOR COMPUTATIONAL ',
688*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
689*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
690*1858f998SYi Kong10001 FORMAT( ' ', A12,' PASSED THE ROW-MAJOR    COMPUTATIONAL TESTS',
691*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
692*1858f998SYi Kong10000 FORMAT( ' ', A12,' PASSED THE COLUMN-MAJOR COMPUTATIONAL TESTS',
693*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
694*1858f998SYi Kong 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
695*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
696*1858f998SYi Kong 9996 FORMAT( ' ******* ', A12,' FAILED ON CALL NUMBER:' )
697*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(''', A1, ''',''', A1, ''',',
698*1858f998SYi Kong     $      3( I3, ',' ), F4.1, ', A,', I3, ', B,', I3, ',', F4.1, ', ',
699*1858f998SYi Kong     $      'C,', I3, ').' )
700*1858f998SYi Kong 9994 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
701*1858f998SYi Kong     $      '******' )
702*1858f998SYi Kong*
703*1858f998SYi Kong*     End of DCHK1.
704*1858f998SYi Kong*
705*1858f998SYi Kong      END
706*1858f998SYi Kong      SUBROUTINE DPRCN1(NOUT, NC, SNAME, IORDER, TRANSA, TRANSB, M, N,
707*1858f998SYi Kong     $                 K, ALPHA, LDA, LDB, BETA, LDC)
708*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, M, N, K, LDA, LDB, LDC
709*1858f998SYi Kong      DOUBLE PRECISION ALPHA, BETA
710*1858f998SYi Kong      CHARACTER*1      TRANSA, TRANSB
711*1858f998SYi Kong      CHARACTER*12     SNAME
712*1858f998SYi Kong      CHARACTER*14     CRC, CTA,CTB
713*1858f998SYi Kong
714*1858f998SYi Kong      IF (TRANSA.EQ.'N')THEN
715*1858f998SYi Kong         CTA = '  CblasNoTrans'
716*1858f998SYi Kong      ELSE IF (TRANSA.EQ.'T')THEN
717*1858f998SYi Kong         CTA = '    CblasTrans'
718*1858f998SYi Kong      ELSE
719*1858f998SYi Kong         CTA = 'CblasConjTrans'
720*1858f998SYi Kong      END IF
721*1858f998SYi Kong      IF (TRANSB.EQ.'N')THEN
722*1858f998SYi Kong         CTB = '  CblasNoTrans'
723*1858f998SYi Kong      ELSE IF (TRANSB.EQ.'T')THEN
724*1858f998SYi Kong         CTB = '    CblasTrans'
725*1858f998SYi Kong      ELSE
726*1858f998SYi Kong         CTB = 'CblasConjTrans'
727*1858f998SYi Kong      END IF
728*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
729*1858f998SYi Kong         CRC = ' CblasRowMajor'
730*1858f998SYi Kong      ELSE
731*1858f998SYi Kong         CRC = ' CblasColMajor'
732*1858f998SYi Kong      END IF
733*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC,SNAME,CRC, CTA,CTB
734*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)M, N, K, ALPHA, LDA, LDB, BETA, LDC
735*1858f998SYi Kong
736*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', A14, ',', A14, ',', A14, ',')
737*1858f998SYi Kong 9994 FORMAT( 20X, 3( I3, ',' ), F4.1, ', A,', I3, ', B,', I3, ',',
738*1858f998SYi Kong     $ F4.1, ', ', 'C,', I3, ').' )
739*1858f998SYi Kong      END
740*1858f998SYi Kong*
741*1858f998SYi Kong      SUBROUTINE DCHK2( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
742*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
743*1858f998SYi Kong     $                  A, AA, AS, B, BB, BS, C, CC, CS, CT, G, IORDER)
744*1858f998SYi Kong*
745*1858f998SYi Kong*  Tests DSYMM.
746*1858f998SYi Kong*
747*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
748*1858f998SYi Kong*
749*1858f998SYi Kong*  -- Written on 8-February-1989.
750*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
751*1858f998SYi Kong*     Iain Duff, AERE Harwell.
752*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
753*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
754*1858f998SYi Kong*
755*1858f998SYi Kong*     .. Parameters ..
756*1858f998SYi Kong      DOUBLE PRECISION   ZERO
757*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0D0 )
758*1858f998SYi Kong*     .. Scalar Arguments ..
759*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
760*1858f998SYi Kong      INTEGER            NALF, NBET, NIDIM, NMAX, NOUT, NTRA, IORDER
761*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
762*1858f998SYi Kong      CHARACTER*12       SNAME
763*1858f998SYi Kong*     .. Array Arguments ..
764*1858f998SYi Kong      DOUBLE PRECISION   A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
765*1858f998SYi Kong     $                   AS( NMAX*NMAX ), B( NMAX, NMAX ),
766*1858f998SYi Kong     $                   BB( NMAX*NMAX ), BET( NBET ), BS( NMAX*NMAX ),
767*1858f998SYi Kong     $                   C( NMAX, NMAX ), CC( NMAX*NMAX ),
768*1858f998SYi Kong     $                   CS( NMAX*NMAX ), CT( NMAX ), G( NMAX )
769*1858f998SYi Kong      INTEGER            IDIM( NIDIM )
770*1858f998SYi Kong*     .. Local Scalars ..
771*1858f998SYi Kong      DOUBLE PRECISION   ALPHA, ALS, BETA, BLS, ERR, ERRMAX
772*1858f998SYi Kong      INTEGER            I, IA, IB, ICS, ICU, IM, IN, LAA, LBB, LCC,
773*1858f998SYi Kong     $                   LDA, LDAS, LDB, LDBS, LDC, LDCS, M, MS, N, NA,
774*1858f998SYi Kong     $                   NARGS, NC, NS
775*1858f998SYi Kong      LOGICAL            LEFT, NULL, RESET, SAME
776*1858f998SYi Kong      CHARACTER*1        SIDE, SIDES, UPLO, UPLOS
777*1858f998SYi Kong      CHARACTER*2        ICHS, ICHU
778*1858f998SYi Kong*     .. Local Arrays ..
779*1858f998SYi Kong      LOGICAL            ISAME( 13 )
780*1858f998SYi Kong*     .. External Functions ..
781*1858f998SYi Kong      LOGICAL            LDE, LDERES
782*1858f998SYi Kong      EXTERNAL           LDE, LDERES
783*1858f998SYi Kong*     .. External Subroutines ..
784*1858f998SYi Kong      EXTERNAL           DMAKE, DMMCH, CDSYMM
785*1858f998SYi Kong*     .. Intrinsic Functions ..
786*1858f998SYi Kong      INTRINSIC          MAX
787*1858f998SYi Kong*     .. Scalars in Common ..
788*1858f998SYi Kong      INTEGER            INFOT, NOUTC
789*1858f998SYi Kong      LOGICAL             OK
790*1858f998SYi Kong*     .. Common blocks ..
791*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
792*1858f998SYi Kong*     .. Data statements ..
793*1858f998SYi Kong      DATA               ICHS/'LR'/, ICHU/'UL'/
794*1858f998SYi Kong*     .. Executable Statements ..
795*1858f998SYi Kong*
796*1858f998SYi Kong      NARGS = 12
797*1858f998SYi Kong      NC = 0
798*1858f998SYi Kong      RESET = .TRUE.
799*1858f998SYi Kong      ERRMAX = ZERO
800*1858f998SYi Kong*
801*1858f998SYi Kong      DO 100 IM = 1, NIDIM
802*1858f998SYi Kong         M = IDIM( IM )
803*1858f998SYi Kong*
804*1858f998SYi Kong         DO 90 IN = 1, NIDIM
805*1858f998SYi Kong            N = IDIM( IN )
806*1858f998SYi Kong*           Set LDC to 1 more than minimum value if room.
807*1858f998SYi Kong            LDC = M
808*1858f998SYi Kong            IF( LDC.LT.NMAX )
809*1858f998SYi Kong     $         LDC = LDC + 1
810*1858f998SYi Kong*           Skip tests if not enough room.
811*1858f998SYi Kong            IF( LDC.GT.NMAX )
812*1858f998SYi Kong     $         GO TO 90
813*1858f998SYi Kong            LCC = LDC*N
814*1858f998SYi Kong            NULL = N.LE.0.OR.M.LE.0
815*1858f998SYi Kong*
816*1858f998SYi Kong*           Set LDB to 1 more than minimum value if room.
817*1858f998SYi Kong            LDB = M
818*1858f998SYi Kong            IF( LDB.LT.NMAX )
819*1858f998SYi Kong     $         LDB = LDB + 1
820*1858f998SYi Kong*           Skip tests if not enough room.
821*1858f998SYi Kong            IF( LDB.GT.NMAX )
822*1858f998SYi Kong     $         GO TO 90
823*1858f998SYi Kong            LBB = LDB*N
824*1858f998SYi Kong*
825*1858f998SYi Kong*           Generate the matrix B.
826*1858f998SYi Kong*
827*1858f998SYi Kong            CALL DMAKE( 'GE', ' ', ' ', M, N, B, NMAX, BB, LDB, RESET,
828*1858f998SYi Kong     $                  ZERO )
829*1858f998SYi Kong*
830*1858f998SYi Kong            DO 80 ICS = 1, 2
831*1858f998SYi Kong               SIDE = ICHS( ICS: ICS )
832*1858f998SYi Kong               LEFT = SIDE.EQ.'L'
833*1858f998SYi Kong*
834*1858f998SYi Kong               IF( LEFT )THEN
835*1858f998SYi Kong                  NA = M
836*1858f998SYi Kong               ELSE
837*1858f998SYi Kong                  NA = N
838*1858f998SYi Kong               END IF
839*1858f998SYi Kong*              Set LDA to 1 more than minimum value if room.
840*1858f998SYi Kong               LDA = NA
841*1858f998SYi Kong               IF( LDA.LT.NMAX )
842*1858f998SYi Kong     $            LDA = LDA + 1
843*1858f998SYi Kong*              Skip tests if not enough room.
844*1858f998SYi Kong               IF( LDA.GT.NMAX )
845*1858f998SYi Kong     $            GO TO 80
846*1858f998SYi Kong               LAA = LDA*NA
847*1858f998SYi Kong*
848*1858f998SYi Kong               DO 70 ICU = 1, 2
849*1858f998SYi Kong                  UPLO = ICHU( ICU: ICU )
850*1858f998SYi Kong*
851*1858f998SYi Kong*                 Generate the symmetric matrix A.
852*1858f998SYi Kong*
853*1858f998SYi Kong                  CALL DMAKE( 'SY', UPLO, ' ', NA, NA, A, NMAX, AA, LDA,
854*1858f998SYi Kong     $                        RESET, ZERO )
855*1858f998SYi Kong*
856*1858f998SYi Kong                  DO 60 IA = 1, NALF
857*1858f998SYi Kong                     ALPHA = ALF( IA )
858*1858f998SYi Kong*
859*1858f998SYi Kong                     DO 50 IB = 1, NBET
860*1858f998SYi Kong                        BETA = BET( IB )
861*1858f998SYi Kong*
862*1858f998SYi Kong*                       Generate the matrix C.
863*1858f998SYi Kong*
864*1858f998SYi Kong                        CALL DMAKE( 'GE', ' ', ' ', M, N, C, NMAX, CC,
865*1858f998SYi Kong     $                              LDC, RESET, ZERO )
866*1858f998SYi Kong*
867*1858f998SYi Kong                        NC = NC + 1
868*1858f998SYi Kong*
869*1858f998SYi Kong*                       Save every datum before calling the
870*1858f998SYi Kong*                       subroutine.
871*1858f998SYi Kong*
872*1858f998SYi Kong                        SIDES = SIDE
873*1858f998SYi Kong                        UPLOS = UPLO
874*1858f998SYi Kong                        MS = M
875*1858f998SYi Kong                        NS = N
876*1858f998SYi Kong                        ALS = ALPHA
877*1858f998SYi Kong                        DO 10 I = 1, LAA
878*1858f998SYi Kong                           AS( I ) = AA( I )
879*1858f998SYi Kong   10                   CONTINUE
880*1858f998SYi Kong                        LDAS = LDA
881*1858f998SYi Kong                        DO 20 I = 1, LBB
882*1858f998SYi Kong                           BS( I ) = BB( I )
883*1858f998SYi Kong   20                   CONTINUE
884*1858f998SYi Kong                        LDBS = LDB
885*1858f998SYi Kong                        BLS = BETA
886*1858f998SYi Kong                        DO 30 I = 1, LCC
887*1858f998SYi Kong                           CS( I ) = CC( I )
888*1858f998SYi Kong   30                   CONTINUE
889*1858f998SYi Kong                        LDCS = LDC
890*1858f998SYi Kong*
891*1858f998SYi Kong*                       Call the subroutine.
892*1858f998SYi Kong*
893*1858f998SYi Kong                        IF( TRACE )
894*1858f998SYi Kong     $                      CALL DPRCN2(NTRA, NC, SNAME, IORDER,
895*1858f998SYi Kong     $                      SIDE, UPLO, M, N, ALPHA, LDA, LDB,
896*1858f998SYi Kong     $                      BETA, LDC)
897*1858f998SYi Kong                        IF( REWI )
898*1858f998SYi Kong     $                     REWIND NTRA
899*1858f998SYi Kong                        CALL CDSYMM( IORDER, SIDE, UPLO, M, N, ALPHA,
900*1858f998SYi Kong     $                              AA, LDA, BB, LDB, BETA, CC, LDC )
901*1858f998SYi Kong*
902*1858f998SYi Kong*                       Check if error-exit was taken incorrectly.
903*1858f998SYi Kong*
904*1858f998SYi Kong                        IF( .NOT.OK )THEN
905*1858f998SYi Kong                           WRITE( NOUT, FMT = 9994 )
906*1858f998SYi Kong                           FATAL = .TRUE.
907*1858f998SYi Kong                           GO TO 110
908*1858f998SYi Kong                        END IF
909*1858f998SYi Kong*
910*1858f998SYi Kong*                       See what data changed inside subroutines.
911*1858f998SYi Kong*
912*1858f998SYi Kong                        ISAME( 1 ) = SIDES.EQ.SIDE
913*1858f998SYi Kong                        ISAME( 2 ) = UPLOS.EQ.UPLO
914*1858f998SYi Kong                        ISAME( 3 ) = MS.EQ.M
915*1858f998SYi Kong                        ISAME( 4 ) = NS.EQ.N
916*1858f998SYi Kong                        ISAME( 5 ) = ALS.EQ.ALPHA
917*1858f998SYi Kong                        ISAME( 6 ) = LDE( AS, AA, LAA )
918*1858f998SYi Kong                        ISAME( 7 ) = LDAS.EQ.LDA
919*1858f998SYi Kong                        ISAME( 8 ) = LDE( BS, BB, LBB )
920*1858f998SYi Kong                        ISAME( 9 ) = LDBS.EQ.LDB
921*1858f998SYi Kong                        ISAME( 10 ) = BLS.EQ.BETA
922*1858f998SYi Kong                        IF( NULL )THEN
923*1858f998SYi Kong                           ISAME( 11 ) = LDE( CS, CC, LCC )
924*1858f998SYi Kong                        ELSE
925*1858f998SYi Kong                           ISAME( 11 ) = LDERES( 'GE', ' ', M, N, CS,
926*1858f998SYi Kong     $                                   CC, LDC )
927*1858f998SYi Kong                        END IF
928*1858f998SYi Kong                        ISAME( 12 ) = LDCS.EQ.LDC
929*1858f998SYi Kong*
930*1858f998SYi Kong*                       If data was incorrectly changed, report and
931*1858f998SYi Kong*                       return.
932*1858f998SYi Kong*
933*1858f998SYi Kong                        SAME = .TRUE.
934*1858f998SYi Kong                        DO 40 I = 1, NARGS
935*1858f998SYi Kong                           SAME = SAME.AND.ISAME( I )
936*1858f998SYi Kong                           IF( .NOT.ISAME( I ) )
937*1858f998SYi Kong     $                        WRITE( NOUT, FMT = 9998 )I
938*1858f998SYi Kong   40                   CONTINUE
939*1858f998SYi Kong                        IF( .NOT.SAME )THEN
940*1858f998SYi Kong                           FATAL = .TRUE.
941*1858f998SYi Kong                           GO TO 110
942*1858f998SYi Kong                        END IF
943*1858f998SYi Kong*
944*1858f998SYi Kong                        IF( .NOT.NULL )THEN
945*1858f998SYi Kong*
946*1858f998SYi Kong*                          Check the result.
947*1858f998SYi Kong*
948*1858f998SYi Kong                           IF( LEFT )THEN
949*1858f998SYi Kong                              CALL DMMCH( 'N', 'N', M, N, M, ALPHA, A,
950*1858f998SYi Kong     $                                    NMAX, B, NMAX, BETA, C, NMAX,
951*1858f998SYi Kong     $                                    CT, G, CC, LDC, EPS, ERR,
952*1858f998SYi Kong     $                                    FATAL, NOUT, .TRUE. )
953*1858f998SYi Kong                           ELSE
954*1858f998SYi Kong                              CALL DMMCH( 'N', 'N', M, N, N, ALPHA, B,
955*1858f998SYi Kong     $                                    NMAX, A, NMAX, BETA, C, NMAX,
956*1858f998SYi Kong     $                                    CT, G, CC, LDC, EPS, ERR,
957*1858f998SYi Kong     $                                    FATAL, NOUT, .TRUE. )
958*1858f998SYi Kong                           END IF
959*1858f998SYi Kong                           ERRMAX = MAX( ERRMAX, ERR )
960*1858f998SYi Kong*                          If got really bad answer, report and
961*1858f998SYi Kong*                          return.
962*1858f998SYi Kong                           IF( FATAL )
963*1858f998SYi Kong     $                        GO TO 110
964*1858f998SYi Kong                        END IF
965*1858f998SYi Kong*
966*1858f998SYi Kong   50                CONTINUE
967*1858f998SYi Kong*
968*1858f998SYi Kong   60             CONTINUE
969*1858f998SYi Kong*
970*1858f998SYi Kong   70          CONTINUE
971*1858f998SYi Kong*
972*1858f998SYi Kong   80       CONTINUE
973*1858f998SYi Kong*
974*1858f998SYi Kong   90    CONTINUE
975*1858f998SYi Kong*
976*1858f998SYi Kong  100 CONTINUE
977*1858f998SYi Kong*
978*1858f998SYi Kong*     Report result.
979*1858f998SYi Kong*
980*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
981*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10000 )SNAME, NC
982*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10001 )SNAME, NC
983*1858f998SYi Kong      ELSE
984*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10002 )SNAME, NC, ERRMAX
985*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10003 )SNAME, NC, ERRMAX
986*1858f998SYi Kong      END IF
987*1858f998SYi Kong      GO TO 120
988*1858f998SYi Kong*
989*1858f998SYi Kong  110 CONTINUE
990*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
991*1858f998SYi Kong      CALL DPRCN2(NOUT, NC, SNAME, IORDER, SIDE, UPLO, M, N, ALPHA, LDA,
992*1858f998SYi Kong     $           LDB, BETA, LDC)
993*1858f998SYi Kong*
994*1858f998SYi Kong  120 CONTINUE
995*1858f998SYi Kong      RETURN
996*1858f998SYi Kong*
997*1858f998SYi Kong10003 FORMAT( ' ', A12,' COMPLETED THE ROW-MAJOR    COMPUTATIONAL ',
998*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
999*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1000*1858f998SYi Kong10002 FORMAT( ' ', A12,' COMPLETED THE COLUMN-MAJOR COMPUTATIONAL ',
1001*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1002*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1003*1858f998SYi Kong10001 FORMAT( ' ', A12,' PASSED THE ROW-MAJOR    COMPUTATIONAL TESTS',
1004*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1005*1858f998SYi Kong10000 FORMAT( ' ', A12,' PASSED THE COLUMN-MAJOR COMPUTATIONAL TESTS',
1006*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1007*1858f998SYi Kong 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
1008*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
1009*1858f998SYi Kong 9996 FORMAT( ' ******* ', A12,' FAILED ON CALL NUMBER:' )
1010*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', 2( '''', A1, ''',' ), 2( I3, ',' ),
1011*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B,', I3, ',', F4.1, ', C,', I3, ')   ',
1012*1858f998SYi Kong     $      ' .' )
1013*1858f998SYi Kong 9994 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
1014*1858f998SYi Kong     $      '******' )
1015*1858f998SYi Kong*
1016*1858f998SYi Kong*     End of DCHK2.
1017*1858f998SYi Kong*
1018*1858f998SYi Kong      END
1019*1858f998SYi Kong*
1020*1858f998SYi Kong      SUBROUTINE DPRCN2(NOUT, NC, SNAME, IORDER, SIDE, UPLO, M, N,
1021*1858f998SYi Kong     $                 ALPHA, LDA, LDB, BETA, LDC)
1022*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, M, N, LDA, LDB, LDC
1023*1858f998SYi Kong      DOUBLE PRECISION ALPHA, BETA
1024*1858f998SYi Kong      CHARACTER*1      SIDE, UPLO
1025*1858f998SYi Kong      CHARACTER*12     SNAME
1026*1858f998SYi Kong      CHARACTER*14     CRC, CS,CU
1027*1858f998SYi Kong
1028*1858f998SYi Kong      IF (SIDE.EQ.'L')THEN
1029*1858f998SYi Kong         CS = '     CblasLeft'
1030*1858f998SYi Kong      ELSE
1031*1858f998SYi Kong         CS = '    CblasRight'
1032*1858f998SYi Kong      END IF
1033*1858f998SYi Kong      IF (UPLO.EQ.'U')THEN
1034*1858f998SYi Kong         CU = '    CblasUpper'
1035*1858f998SYi Kong      ELSE
1036*1858f998SYi Kong         CU = '    CblasLower'
1037*1858f998SYi Kong      END IF
1038*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
1039*1858f998SYi Kong         CRC = ' CblasRowMajor'
1040*1858f998SYi Kong      ELSE
1041*1858f998SYi Kong         CRC = ' CblasColMajor'
1042*1858f998SYi Kong      END IF
1043*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC,SNAME,CRC, CS,CU
1044*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)M, N, ALPHA, LDA, LDB, BETA, LDC
1045*1858f998SYi Kong
1046*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', A14, ',', A14, ',', A14, ',')
1047*1858f998SYi Kong 9994 FORMAT( 20X, 2( I3, ',' ), F4.1, ', A,', I3, ', B,', I3, ',',
1048*1858f998SYi Kong     $ F4.1, ', ', 'C,', I3, ').' )
1049*1858f998SYi Kong      END
1050*1858f998SYi Kong*
1051*1858f998SYi Kong      SUBROUTINE DCHK3( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
1052*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NMAX, A, AA, AS,
1053*1858f998SYi Kong     $                  B, BB, BS, CT, G, C, IORDER )
1054*1858f998SYi Kong*
1055*1858f998SYi Kong*  Tests DTRMM and DTRSM.
1056*1858f998SYi Kong*
1057*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
1058*1858f998SYi Kong*
1059*1858f998SYi Kong*  -- Written on 8-February-1989.
1060*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
1061*1858f998SYi Kong*     Iain Duff, AERE Harwell.
1062*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
1063*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
1064*1858f998SYi Kong*
1065*1858f998SYi Kong*     .. Parameters ..
1066*1858f998SYi Kong      DOUBLE PRECISION   ZERO, ONE
1067*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0D0, ONE = 1.0D0 )
1068*1858f998SYi Kong*     .. Scalar Arguments ..
1069*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
1070*1858f998SYi Kong      INTEGER            NALF, NIDIM, NMAX, NOUT, NTRA, IORDER
1071*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
1072*1858f998SYi Kong      CHARACTER*12       SNAME
1073*1858f998SYi Kong*     .. Array Arguments ..
1074*1858f998SYi Kong      DOUBLE PRECISION   A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
1075*1858f998SYi Kong     $                   AS( NMAX*NMAX ), B( NMAX, NMAX ),
1076*1858f998SYi Kong     $                   BB( NMAX*NMAX ), BS( NMAX*NMAX ),
1077*1858f998SYi Kong     $                   C( NMAX, NMAX ), CT( NMAX ), G( NMAX )
1078*1858f998SYi Kong      INTEGER            IDIM( NIDIM )
1079*1858f998SYi Kong*     .. Local Scalars ..
1080*1858f998SYi Kong      DOUBLE PRECISION   ALPHA, ALS, ERR, ERRMAX
1081*1858f998SYi Kong      INTEGER            I, IA, ICD, ICS, ICT, ICU, IM, IN, J, LAA, LBB,
1082*1858f998SYi Kong     $                   LDA, LDAS, LDB, LDBS, M, MS, N, NA, NARGS, NC,
1083*1858f998SYi Kong     $                   NS
1084*1858f998SYi Kong      LOGICAL            LEFT, NULL, RESET, SAME
1085*1858f998SYi Kong      CHARACTER*1        DIAG, DIAGS, SIDE, SIDES, TRANAS, TRANSA, UPLO,
1086*1858f998SYi Kong     $                   UPLOS
1087*1858f998SYi Kong      CHARACTER*2        ICHD, ICHS, ICHU
1088*1858f998SYi Kong      CHARACTER*3        ICHT
1089*1858f998SYi Kong*     .. Local Arrays ..
1090*1858f998SYi Kong      LOGICAL            ISAME( 13 )
1091*1858f998SYi Kong*     .. External Functions ..
1092*1858f998SYi Kong      LOGICAL            LDE, LDERES
1093*1858f998SYi Kong      EXTERNAL           LDE, LDERES
1094*1858f998SYi Kong*     .. External Subroutines ..
1095*1858f998SYi Kong      EXTERNAL           DMAKE, DMMCH, CDTRMM, CDTRSM
1096*1858f998SYi Kong*     .. Intrinsic Functions ..
1097*1858f998SYi Kong      INTRINSIC          MAX
1098*1858f998SYi Kong*     .. Scalars in Common ..
1099*1858f998SYi Kong      INTEGER            INFOT, NOUTC
1100*1858f998SYi Kong      LOGICAL             OK
1101*1858f998SYi Kong*     .. Common blocks ..
1102*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
1103*1858f998SYi Kong*     .. Data statements ..
1104*1858f998SYi Kong      DATA               ICHU/'UL'/, ICHT/'NTC'/, ICHD/'UN'/, ICHS/'LR'/
1105*1858f998SYi Kong*     .. Executable Statements ..
1106*1858f998SYi Kong*
1107*1858f998SYi Kong      NARGS = 11
1108*1858f998SYi Kong      NC = 0
1109*1858f998SYi Kong      RESET = .TRUE.
1110*1858f998SYi Kong      ERRMAX = ZERO
1111*1858f998SYi Kong*     Set up zero matrix for DMMCH.
1112*1858f998SYi Kong      DO 20 J = 1, NMAX
1113*1858f998SYi Kong         DO 10 I = 1, NMAX
1114*1858f998SYi Kong            C( I, J ) = ZERO
1115*1858f998SYi Kong   10    CONTINUE
1116*1858f998SYi Kong   20 CONTINUE
1117*1858f998SYi Kong*
1118*1858f998SYi Kong      DO 140 IM = 1, NIDIM
1119*1858f998SYi Kong         M = IDIM( IM )
1120*1858f998SYi Kong*
1121*1858f998SYi Kong         DO 130 IN = 1, NIDIM
1122*1858f998SYi Kong            N = IDIM( IN )
1123*1858f998SYi Kong*           Set LDB to 1 more than minimum value if room.
1124*1858f998SYi Kong            LDB = M
1125*1858f998SYi Kong            IF( LDB.LT.NMAX )
1126*1858f998SYi Kong     $         LDB = LDB + 1
1127*1858f998SYi Kong*           Skip tests if not enough room.
1128*1858f998SYi Kong            IF( LDB.GT.NMAX )
1129*1858f998SYi Kong     $         GO TO 130
1130*1858f998SYi Kong            LBB = LDB*N
1131*1858f998SYi Kong            NULL = M.LE.0.OR.N.LE.0
1132*1858f998SYi Kong*
1133*1858f998SYi Kong            DO 120 ICS = 1, 2
1134*1858f998SYi Kong               SIDE = ICHS( ICS: ICS )
1135*1858f998SYi Kong               LEFT = SIDE.EQ.'L'
1136*1858f998SYi Kong               IF( LEFT )THEN
1137*1858f998SYi Kong                  NA = M
1138*1858f998SYi Kong               ELSE
1139*1858f998SYi Kong                  NA = N
1140*1858f998SYi Kong               END IF
1141*1858f998SYi Kong*              Set LDA to 1 more than minimum value if room.
1142*1858f998SYi Kong               LDA = NA
1143*1858f998SYi Kong               IF( LDA.LT.NMAX )
1144*1858f998SYi Kong     $            LDA = LDA + 1
1145*1858f998SYi Kong*              Skip tests if not enough room.
1146*1858f998SYi Kong               IF( LDA.GT.NMAX )
1147*1858f998SYi Kong     $            GO TO 130
1148*1858f998SYi Kong               LAA = LDA*NA
1149*1858f998SYi Kong*
1150*1858f998SYi Kong               DO 110 ICU = 1, 2
1151*1858f998SYi Kong                  UPLO = ICHU( ICU: ICU )
1152*1858f998SYi Kong*
1153*1858f998SYi Kong                  DO 100 ICT = 1, 3
1154*1858f998SYi Kong                     TRANSA = ICHT( ICT: ICT )
1155*1858f998SYi Kong*
1156*1858f998SYi Kong                     DO 90 ICD = 1, 2
1157*1858f998SYi Kong                        DIAG = ICHD( ICD: ICD )
1158*1858f998SYi Kong*
1159*1858f998SYi Kong                        DO 80 IA = 1, NALF
1160*1858f998SYi Kong                           ALPHA = ALF( IA )
1161*1858f998SYi Kong*
1162*1858f998SYi Kong*                          Generate the matrix A.
1163*1858f998SYi Kong*
1164*1858f998SYi Kong                           CALL DMAKE( 'TR', UPLO, DIAG, NA, NA, A,
1165*1858f998SYi Kong     $                                 NMAX, AA, LDA, RESET, ZERO )
1166*1858f998SYi Kong*
1167*1858f998SYi Kong*                          Generate the matrix B.
1168*1858f998SYi Kong*
1169*1858f998SYi Kong                           CALL DMAKE( 'GE', ' ', ' ', M, N, B, NMAX,
1170*1858f998SYi Kong     $                                 BB, LDB, RESET, ZERO )
1171*1858f998SYi Kong*
1172*1858f998SYi Kong                           NC = NC + 1
1173*1858f998SYi Kong*
1174*1858f998SYi Kong*                          Save every datum before calling the
1175*1858f998SYi Kong*                          subroutine.
1176*1858f998SYi Kong*
1177*1858f998SYi Kong                           SIDES = SIDE
1178*1858f998SYi Kong                           UPLOS = UPLO
1179*1858f998SYi Kong                           TRANAS = TRANSA
1180*1858f998SYi Kong                           DIAGS = DIAG
1181*1858f998SYi Kong                           MS = M
1182*1858f998SYi Kong                           NS = N
1183*1858f998SYi Kong                           ALS = ALPHA
1184*1858f998SYi Kong                           DO 30 I = 1, LAA
1185*1858f998SYi Kong                              AS( I ) = AA( I )
1186*1858f998SYi Kong   30                      CONTINUE
1187*1858f998SYi Kong                           LDAS = LDA
1188*1858f998SYi Kong                           DO 40 I = 1, LBB
1189*1858f998SYi Kong                              BS( I ) = BB( I )
1190*1858f998SYi Kong   40                      CONTINUE
1191*1858f998SYi Kong                           LDBS = LDB
1192*1858f998SYi Kong*
1193*1858f998SYi Kong*                          Call the subroutine.
1194*1858f998SYi Kong*
1195*1858f998SYi Kong                           IF( SNAME( 10: 11 ).EQ.'mm' )THEN
1196*1858f998SYi Kong                              IF( TRACE )
1197*1858f998SYi Kong     $                           CALL DPRCN3( NTRA, NC, SNAME, IORDER,
1198*1858f998SYi Kong     $                           SIDE, UPLO, TRANSA, DIAG, M, N, ALPHA,
1199*1858f998SYi Kong     $                           LDA, LDB)
1200*1858f998SYi Kong                              IF( REWI )
1201*1858f998SYi Kong     $                           REWIND NTRA
1202*1858f998SYi Kong                              CALL CDTRMM( IORDER, SIDE, UPLO, TRANSA,
1203*1858f998SYi Kong     $                                    DIAG, M, N, ALPHA, AA, LDA,
1204*1858f998SYi Kong     $					  BB, LDB )
1205*1858f998SYi Kong                           ELSE IF( SNAME( 10: 11 ).EQ.'sm' )THEN
1206*1858f998SYi Kong                              IF( TRACE )
1207*1858f998SYi Kong     $                           CALL DPRCN3( NTRA, NC, SNAME, IORDER,
1208*1858f998SYi Kong     $                           SIDE, UPLO, TRANSA, DIAG, M, N, ALPHA,
1209*1858f998SYi Kong     $                           LDA, LDB)
1210*1858f998SYi Kong                              IF( REWI )
1211*1858f998SYi Kong     $                           REWIND NTRA
1212*1858f998SYi Kong                              CALL CDTRSM( IORDER, SIDE, UPLO, TRANSA,
1213*1858f998SYi Kong     $                                    DIAG, M, N, ALPHA, AA, LDA,
1214*1858f998SYi Kong     $					  BB, LDB )
1215*1858f998SYi Kong                           END IF
1216*1858f998SYi Kong*
1217*1858f998SYi Kong*                          Check if error-exit was taken incorrectly.
1218*1858f998SYi Kong*
1219*1858f998SYi Kong                           IF( .NOT.OK )THEN
1220*1858f998SYi Kong                              WRITE( NOUT, FMT = 9994 )
1221*1858f998SYi Kong                              FATAL = .TRUE.
1222*1858f998SYi Kong                              GO TO 150
1223*1858f998SYi Kong                           END IF
1224*1858f998SYi Kong*
1225*1858f998SYi Kong*                          See what data changed inside subroutines.
1226*1858f998SYi Kong*
1227*1858f998SYi Kong                           ISAME( 1 ) = SIDES.EQ.SIDE
1228*1858f998SYi Kong                           ISAME( 2 ) = UPLOS.EQ.UPLO
1229*1858f998SYi Kong                           ISAME( 3 ) = TRANAS.EQ.TRANSA
1230*1858f998SYi Kong                           ISAME( 4 ) = DIAGS.EQ.DIAG
1231*1858f998SYi Kong                           ISAME( 5 ) = MS.EQ.M
1232*1858f998SYi Kong                           ISAME( 6 ) = NS.EQ.N
1233*1858f998SYi Kong                           ISAME( 7 ) = ALS.EQ.ALPHA
1234*1858f998SYi Kong                           ISAME( 8 ) = LDE( AS, AA, LAA )
1235*1858f998SYi Kong                           ISAME( 9 ) = LDAS.EQ.LDA
1236*1858f998SYi Kong                           IF( NULL )THEN
1237*1858f998SYi Kong                              ISAME( 10 ) = LDE( BS, BB, LBB )
1238*1858f998SYi Kong                           ELSE
1239*1858f998SYi Kong                              ISAME( 10 ) = LDERES( 'GE', ' ', M, N, BS,
1240*1858f998SYi Kong     $                                      BB, LDB )
1241*1858f998SYi Kong                           END IF
1242*1858f998SYi Kong                           ISAME( 11 ) = LDBS.EQ.LDB
1243*1858f998SYi Kong*
1244*1858f998SYi Kong*                          If data was incorrectly changed, report and
1245*1858f998SYi Kong*                          return.
1246*1858f998SYi Kong*
1247*1858f998SYi Kong                           SAME = .TRUE.
1248*1858f998SYi Kong                           DO 50 I = 1, NARGS
1249*1858f998SYi Kong                              SAME = SAME.AND.ISAME( I )
1250*1858f998SYi Kong                              IF( .NOT.ISAME( I ) )
1251*1858f998SYi Kong     $                           WRITE( NOUT, FMT = 9998 )I
1252*1858f998SYi Kong   50                      CONTINUE
1253*1858f998SYi Kong                           IF( .NOT.SAME )THEN
1254*1858f998SYi Kong                              FATAL = .TRUE.
1255*1858f998SYi Kong                              GO TO 150
1256*1858f998SYi Kong                           END IF
1257*1858f998SYi Kong*
1258*1858f998SYi Kong                           IF( .NOT.NULL )THEN
1259*1858f998SYi Kong                              IF( SNAME( 10: 11 ).EQ.'mm' )THEN
1260*1858f998SYi Kong*
1261*1858f998SYi Kong*                                Check the result.
1262*1858f998SYi Kong*
1263*1858f998SYi Kong                                 IF( LEFT )THEN
1264*1858f998SYi Kong                                    CALL DMMCH( TRANSA, 'N', M, N, M,
1265*1858f998SYi Kong     $                                          ALPHA, A, NMAX, B, NMAX,
1266*1858f998SYi Kong     $                                          ZERO, C, NMAX, CT, G,
1267*1858f998SYi Kong     $                                          BB, LDB, EPS, ERR,
1268*1858f998SYi Kong     $                                          FATAL, NOUT, .TRUE. )
1269*1858f998SYi Kong                                 ELSE
1270*1858f998SYi Kong                                    CALL DMMCH( 'N', TRANSA, M, N, N,
1271*1858f998SYi Kong     $                                          ALPHA, B, NMAX, A, NMAX,
1272*1858f998SYi Kong     $                                          ZERO, C, NMAX, CT, G,
1273*1858f998SYi Kong     $                                          BB, LDB, EPS, ERR,
1274*1858f998SYi Kong     $                                          FATAL, NOUT, .TRUE. )
1275*1858f998SYi Kong                                 END IF
1276*1858f998SYi Kong                              ELSE IF( SNAME( 10: 11 ).EQ.'sm' )THEN
1277*1858f998SYi Kong*
1278*1858f998SYi Kong*                                Compute approximation to original
1279*1858f998SYi Kong*                                matrix.
1280*1858f998SYi Kong*
1281*1858f998SYi Kong                                 DO 70 J = 1, N
1282*1858f998SYi Kong                                    DO 60 I = 1, M
1283*1858f998SYi Kong                                       C( I, J ) = BB( I + ( J - 1 )*
1284*1858f998SYi Kong     $                                             LDB )
1285*1858f998SYi Kong                                       BB( I + ( J - 1 )*LDB ) = ALPHA*
1286*1858f998SYi Kong     $                                    B( I, J )
1287*1858f998SYi Kong   60                               CONTINUE
1288*1858f998SYi Kong   70                            CONTINUE
1289*1858f998SYi Kong*
1290*1858f998SYi Kong                                 IF( LEFT )THEN
1291*1858f998SYi Kong                                    CALL DMMCH( TRANSA, 'N', M, N, M,
1292*1858f998SYi Kong     $                                          ONE, A, NMAX, C, NMAX,
1293*1858f998SYi Kong     $                                          ZERO, B, NMAX, CT, G,
1294*1858f998SYi Kong     $                                          BB, LDB, EPS, ERR,
1295*1858f998SYi Kong     $                                          FATAL, NOUT, .FALSE. )
1296*1858f998SYi Kong                                 ELSE
1297*1858f998SYi Kong                                    CALL DMMCH( 'N', TRANSA, M, N, N,
1298*1858f998SYi Kong     $                                          ONE, C, NMAX, A, NMAX,
1299*1858f998SYi Kong     $                                          ZERO, B, NMAX, CT, G,
1300*1858f998SYi Kong     $                                          BB, LDB, EPS, ERR,
1301*1858f998SYi Kong     $                                          FATAL, NOUT, .FALSE. )
1302*1858f998SYi Kong                                 END IF
1303*1858f998SYi Kong                              END IF
1304*1858f998SYi Kong                              ERRMAX = MAX( ERRMAX, ERR )
1305*1858f998SYi Kong*                             If got really bad answer, report and
1306*1858f998SYi Kong*                             return.
1307*1858f998SYi Kong                              IF( FATAL )
1308*1858f998SYi Kong     $                           GO TO 150
1309*1858f998SYi Kong                           END IF
1310*1858f998SYi Kong*
1311*1858f998SYi Kong   80                   CONTINUE
1312*1858f998SYi Kong*
1313*1858f998SYi Kong   90                CONTINUE
1314*1858f998SYi Kong*
1315*1858f998SYi Kong  100             CONTINUE
1316*1858f998SYi Kong*
1317*1858f998SYi Kong  110          CONTINUE
1318*1858f998SYi Kong*
1319*1858f998SYi Kong  120       CONTINUE
1320*1858f998SYi Kong*
1321*1858f998SYi Kong  130    CONTINUE
1322*1858f998SYi Kong*
1323*1858f998SYi Kong  140 CONTINUE
1324*1858f998SYi Kong*
1325*1858f998SYi Kong*     Report result.
1326*1858f998SYi Kong*
1327*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
1328*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10000 )SNAME, NC
1329*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10001 )SNAME, NC
1330*1858f998SYi Kong      ELSE
1331*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10002 )SNAME, NC, ERRMAX
1332*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10003 )SNAME, NC, ERRMAX
1333*1858f998SYi Kong      END IF
1334*1858f998SYi Kong      GO TO 160
1335*1858f998SYi Kong*
1336*1858f998SYi Kong  150 CONTINUE
1337*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
1338*1858f998SYi Kong      CALL DPRCN3( NTRA, NC, SNAME, IORDER, SIDE, UPLO, TRANSA, DIAG,
1339*1858f998SYi Kong     $      M, N, ALPHA, LDA, LDB)
1340*1858f998SYi Kong*
1341*1858f998SYi Kong  160 CONTINUE
1342*1858f998SYi Kong      RETURN
1343*1858f998SYi Kong*
1344*1858f998SYi Kong10003 FORMAT( ' ', A12,' COMPLETED THE ROW-MAJOR    COMPUTATIONAL ',
1345*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1346*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1347*1858f998SYi Kong10002 FORMAT( ' ', A12,' COMPLETED THE COLUMN-MAJOR COMPUTATIONAL ',
1348*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1349*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1350*1858f998SYi Kong10001 FORMAT( ' ', A12,' PASSED THE ROW-MAJOR    COMPUTATIONAL TESTS',
1351*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1352*1858f998SYi Kong10000 FORMAT( ' ', A12,' PASSED THE COLUMN-MAJOR COMPUTATIONAL TESTS',
1353*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1354*1858f998SYi Kong 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
1355*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
1356*1858f998SYi Kong 9996 FORMAT( ' ******* ', A12,' FAILED ON CALL NUMBER:' )
1357*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', 4( '''', A1, ''',' ), 2( I3, ',' ),
1358*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B,', I3, ')        .' )
1359*1858f998SYi Kong 9994 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
1360*1858f998SYi Kong     $      '******' )
1361*1858f998SYi Kong*
1362*1858f998SYi Kong*     End of DCHK3.
1363*1858f998SYi Kong*
1364*1858f998SYi Kong      END
1365*1858f998SYi Kong*
1366*1858f998SYi Kong      SUBROUTINE DPRCN3(NOUT, NC, SNAME, IORDER, SIDE, UPLO, TRANSA,
1367*1858f998SYi Kong     $                 DIAG, M, N, ALPHA, LDA, LDB)
1368*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, M, N, LDA, LDB
1369*1858f998SYi Kong      DOUBLE PRECISION ALPHA
1370*1858f998SYi Kong      CHARACTER*1      SIDE, UPLO, TRANSA, DIAG
1371*1858f998SYi Kong      CHARACTER*12     SNAME
1372*1858f998SYi Kong      CHARACTER*14     CRC, CS, CU, CA, CD
1373*1858f998SYi Kong
1374*1858f998SYi Kong      IF (SIDE.EQ.'L')THEN
1375*1858f998SYi Kong         CS = '     CblasLeft'
1376*1858f998SYi Kong      ELSE
1377*1858f998SYi Kong         CS = '    CblasRight'
1378*1858f998SYi Kong      END IF
1379*1858f998SYi Kong      IF (UPLO.EQ.'U')THEN
1380*1858f998SYi Kong         CU = '    CblasUpper'
1381*1858f998SYi Kong      ELSE
1382*1858f998SYi Kong         CU = '    CblasLower'
1383*1858f998SYi Kong      END IF
1384*1858f998SYi Kong      IF (TRANSA.EQ.'N')THEN
1385*1858f998SYi Kong         CA = '  CblasNoTrans'
1386*1858f998SYi Kong      ELSE IF (TRANSA.EQ.'T')THEN
1387*1858f998SYi Kong         CA = '    CblasTrans'
1388*1858f998SYi Kong      ELSE
1389*1858f998SYi Kong         CA = 'CblasConjTrans'
1390*1858f998SYi Kong      END IF
1391*1858f998SYi Kong      IF (DIAG.EQ.'N')THEN
1392*1858f998SYi Kong         CD = '  CblasNonUnit'
1393*1858f998SYi Kong      ELSE
1394*1858f998SYi Kong         CD = '     CblasUnit'
1395*1858f998SYi Kong      END IF
1396*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
1397*1858f998SYi Kong         CRC = ' CblasRowMajor'
1398*1858f998SYi Kong      ELSE
1399*1858f998SYi Kong         CRC = ' CblasColMajor'
1400*1858f998SYi Kong      END IF
1401*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC,SNAME,CRC, CS,CU
1402*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)CA, CD, M, N, ALPHA, LDA, LDB
1403*1858f998SYi Kong
1404*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', A14, ',', A14, ',', A14, ',')
1405*1858f998SYi Kong 9994 FORMAT( 22X, 2( A14, ',') , 2( I3, ',' ),
1406*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B,', I3, ').' )
1407*1858f998SYi Kong      END
1408*1858f998SYi Kong*
1409*1858f998SYi Kong      SUBROUTINE DCHK4( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
1410*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
1411*1858f998SYi Kong     $                  A, AA, AS, B, BB, BS, C, CC, CS, CT, G, IORDER)
1412*1858f998SYi Kong*
1413*1858f998SYi Kong*  Tests DSYRK.
1414*1858f998SYi Kong*
1415*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
1416*1858f998SYi Kong*
1417*1858f998SYi Kong*  -- Written on 8-February-1989.
1418*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
1419*1858f998SYi Kong*     Iain Duff, AERE Harwell.
1420*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
1421*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
1422*1858f998SYi Kong*
1423*1858f998SYi Kong*     .. Parameters ..
1424*1858f998SYi Kong      DOUBLE PRECISION   ZERO
1425*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0D0 )
1426*1858f998SYi Kong*     .. Scalar Arguments ..
1427*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
1428*1858f998SYi Kong      INTEGER            NALF, NBET, NIDIM, NMAX, NOUT, NTRA, IORDER
1429*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
1430*1858f998SYi Kong      CHARACTER*12       SNAME
1431*1858f998SYi Kong*     .. Array Arguments ..
1432*1858f998SYi Kong      DOUBLE PRECISION   A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
1433*1858f998SYi Kong     $                   AS( NMAX*NMAX ), B( NMAX, NMAX ),
1434*1858f998SYi Kong     $                   BB( NMAX*NMAX ), BET( NBET ), BS( NMAX*NMAX ),
1435*1858f998SYi Kong     $                   C( NMAX, NMAX ), CC( NMAX*NMAX ),
1436*1858f998SYi Kong     $                   CS( NMAX*NMAX ), CT( NMAX ), G( NMAX )
1437*1858f998SYi Kong      INTEGER            IDIM( NIDIM )
1438*1858f998SYi Kong*     .. Local Scalars ..
1439*1858f998SYi Kong      DOUBLE PRECISION   ALPHA, ALS, BETA, BETS, ERR, ERRMAX
1440*1858f998SYi Kong      INTEGER            I, IA, IB, ICT, ICU, IK, IN, J, JC, JJ, K, KS,
1441*1858f998SYi Kong     $                   LAA, LCC, LDA, LDAS, LDC, LDCS, LJ, MA, N, NA,
1442*1858f998SYi Kong     $                   NARGS, NC, NS
1443*1858f998SYi Kong      LOGICAL            NULL, RESET, SAME, TRAN, UPPER
1444*1858f998SYi Kong      CHARACTER*1        TRANS, TRANSS, UPLO, UPLOS
1445*1858f998SYi Kong      CHARACTER*2        ICHU
1446*1858f998SYi Kong      CHARACTER*3        ICHT
1447*1858f998SYi Kong*     .. Local Arrays ..
1448*1858f998SYi Kong      LOGICAL            ISAME( 13 )
1449*1858f998SYi Kong*     .. External Functions ..
1450*1858f998SYi Kong      LOGICAL            LDE, LDERES
1451*1858f998SYi Kong      EXTERNAL           LDE, LDERES
1452*1858f998SYi Kong*     .. External Subroutines ..
1453*1858f998SYi Kong      EXTERNAL           DMAKE, DMMCH, CDSYRK
1454*1858f998SYi Kong*     .. Intrinsic Functions ..
1455*1858f998SYi Kong      INTRINSIC          MAX
1456*1858f998SYi Kong*     .. Scalars in Common ..
1457*1858f998SYi Kong      INTEGER            INFOT, NOUTC
1458*1858f998SYi Kong      LOGICAL             OK
1459*1858f998SYi Kong*     .. Common blocks ..
1460*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
1461*1858f998SYi Kong*     .. Data statements ..
1462*1858f998SYi Kong      DATA               ICHT/'NTC'/, ICHU/'UL'/
1463*1858f998SYi Kong*     .. Executable Statements ..
1464*1858f998SYi Kong*
1465*1858f998SYi Kong      NARGS = 10
1466*1858f998SYi Kong      NC = 0
1467*1858f998SYi Kong      RESET = .TRUE.
1468*1858f998SYi Kong      ERRMAX = ZERO
1469*1858f998SYi Kong*
1470*1858f998SYi Kong      DO 100 IN = 1, NIDIM
1471*1858f998SYi Kong         N = IDIM( IN )
1472*1858f998SYi Kong*        Set LDC to 1 more than minimum value if room.
1473*1858f998SYi Kong         LDC = N
1474*1858f998SYi Kong         IF( LDC.LT.NMAX )
1475*1858f998SYi Kong     $      LDC = LDC + 1
1476*1858f998SYi Kong*        Skip tests if not enough room.
1477*1858f998SYi Kong         IF( LDC.GT.NMAX )
1478*1858f998SYi Kong     $      GO TO 100
1479*1858f998SYi Kong         LCC = LDC*N
1480*1858f998SYi Kong         NULL = N.LE.0
1481*1858f998SYi Kong*
1482*1858f998SYi Kong         DO 90 IK = 1, NIDIM
1483*1858f998SYi Kong            K = IDIM( IK )
1484*1858f998SYi Kong*
1485*1858f998SYi Kong            DO 80 ICT = 1, 3
1486*1858f998SYi Kong               TRANS = ICHT( ICT: ICT )
1487*1858f998SYi Kong               TRAN = TRANS.EQ.'T'.OR.TRANS.EQ.'C'
1488*1858f998SYi Kong               IF( TRAN )THEN
1489*1858f998SYi Kong                  MA = K
1490*1858f998SYi Kong                  NA = N
1491*1858f998SYi Kong               ELSE
1492*1858f998SYi Kong                  MA = N
1493*1858f998SYi Kong                  NA = K
1494*1858f998SYi Kong               END IF
1495*1858f998SYi Kong*              Set LDA to 1 more than minimum value if room.
1496*1858f998SYi Kong               LDA = MA
1497*1858f998SYi Kong               IF( LDA.LT.NMAX )
1498*1858f998SYi Kong     $            LDA = LDA + 1
1499*1858f998SYi Kong*              Skip tests if not enough room.
1500*1858f998SYi Kong               IF( LDA.GT.NMAX )
1501*1858f998SYi Kong     $            GO TO 80
1502*1858f998SYi Kong               LAA = LDA*NA
1503*1858f998SYi Kong*
1504*1858f998SYi Kong*              Generate the matrix A.
1505*1858f998SYi Kong*
1506*1858f998SYi Kong               CALL DMAKE( 'GE', ' ', ' ', MA, NA, A, NMAX, AA, LDA,
1507*1858f998SYi Kong     $                     RESET, ZERO )
1508*1858f998SYi Kong*
1509*1858f998SYi Kong               DO 70 ICU = 1, 2
1510*1858f998SYi Kong                  UPLO = ICHU( ICU: ICU )
1511*1858f998SYi Kong                  UPPER = UPLO.EQ.'U'
1512*1858f998SYi Kong*
1513*1858f998SYi Kong                  DO 60 IA = 1, NALF
1514*1858f998SYi Kong                     ALPHA = ALF( IA )
1515*1858f998SYi Kong*
1516*1858f998SYi Kong                     DO 50 IB = 1, NBET
1517*1858f998SYi Kong                        BETA = BET( IB )
1518*1858f998SYi Kong*
1519*1858f998SYi Kong*                       Generate the matrix C.
1520*1858f998SYi Kong*
1521*1858f998SYi Kong                        CALL DMAKE( 'SY', UPLO, ' ', N, N, C, NMAX, CC,
1522*1858f998SYi Kong     $                              LDC, RESET, ZERO )
1523*1858f998SYi Kong*
1524*1858f998SYi Kong                        NC = NC + 1
1525*1858f998SYi Kong*
1526*1858f998SYi Kong*                       Save every datum before calling the subroutine.
1527*1858f998SYi Kong*
1528*1858f998SYi Kong                        UPLOS = UPLO
1529*1858f998SYi Kong                        TRANSS = TRANS
1530*1858f998SYi Kong                        NS = N
1531*1858f998SYi Kong                        KS = K
1532*1858f998SYi Kong                        ALS = ALPHA
1533*1858f998SYi Kong                        DO 10 I = 1, LAA
1534*1858f998SYi Kong                           AS( I ) = AA( I )
1535*1858f998SYi Kong   10                   CONTINUE
1536*1858f998SYi Kong                        LDAS = LDA
1537*1858f998SYi Kong                        BETS = BETA
1538*1858f998SYi Kong                        DO 20 I = 1, LCC
1539*1858f998SYi Kong                           CS( I ) = CC( I )
1540*1858f998SYi Kong   20                   CONTINUE
1541*1858f998SYi Kong                        LDCS = LDC
1542*1858f998SYi Kong*
1543*1858f998SYi Kong*                       Call the subroutine.
1544*1858f998SYi Kong*
1545*1858f998SYi Kong                        IF( TRACE )
1546*1858f998SYi Kong     $                     CALL DPRCN4( NTRA, NC, SNAME, IORDER, UPLO,
1547*1858f998SYi Kong     $                     TRANS, N, K, ALPHA, LDA, BETA, LDC)
1548*1858f998SYi Kong                        IF( REWI )
1549*1858f998SYi Kong     $                     REWIND NTRA
1550*1858f998SYi Kong                        CALL CDSYRK( IORDER, UPLO, TRANS, N, K, ALPHA,
1551*1858f998SYi Kong     $                              AA, LDA, BETA, CC, LDC )
1552*1858f998SYi Kong*
1553*1858f998SYi Kong*                       Check if error-exit was taken incorrectly.
1554*1858f998SYi Kong*
1555*1858f998SYi Kong                        IF( .NOT.OK )THEN
1556*1858f998SYi Kong                           WRITE( NOUT, FMT = 9993 )
1557*1858f998SYi Kong                           FATAL = .TRUE.
1558*1858f998SYi Kong                           GO TO 120
1559*1858f998SYi Kong                        END IF
1560*1858f998SYi Kong*
1561*1858f998SYi Kong*                       See what data changed inside subroutines.
1562*1858f998SYi Kong*
1563*1858f998SYi Kong                        ISAME( 1 ) = UPLOS.EQ.UPLO
1564*1858f998SYi Kong                        ISAME( 2 ) = TRANSS.EQ.TRANS
1565*1858f998SYi Kong                        ISAME( 3 ) = NS.EQ.N
1566*1858f998SYi Kong                        ISAME( 4 ) = KS.EQ.K
1567*1858f998SYi Kong                        ISAME( 5 ) = ALS.EQ.ALPHA
1568*1858f998SYi Kong                        ISAME( 6 ) = LDE( AS, AA, LAA )
1569*1858f998SYi Kong                        ISAME( 7 ) = LDAS.EQ.LDA
1570*1858f998SYi Kong                        ISAME( 8 ) = BETS.EQ.BETA
1571*1858f998SYi Kong                        IF( NULL )THEN
1572*1858f998SYi Kong                           ISAME( 9 ) = LDE( CS, CC, LCC )
1573*1858f998SYi Kong                        ELSE
1574*1858f998SYi Kong                           ISAME( 9 ) = LDERES( 'SY', UPLO, N, N, CS,
1575*1858f998SYi Kong     $                                  CC, LDC )
1576*1858f998SYi Kong                        END IF
1577*1858f998SYi Kong                        ISAME( 10 ) = LDCS.EQ.LDC
1578*1858f998SYi Kong*
1579*1858f998SYi Kong*                       If data was incorrectly changed, report and
1580*1858f998SYi Kong*                       return.
1581*1858f998SYi Kong*
1582*1858f998SYi Kong                        SAME = .TRUE.
1583*1858f998SYi Kong                        DO 30 I = 1, NARGS
1584*1858f998SYi Kong                           SAME = SAME.AND.ISAME( I )
1585*1858f998SYi Kong                           IF( .NOT.ISAME( I ) )
1586*1858f998SYi Kong     $                        WRITE( NOUT, FMT = 9998 )I
1587*1858f998SYi Kong   30                   CONTINUE
1588*1858f998SYi Kong                        IF( .NOT.SAME )THEN
1589*1858f998SYi Kong                           FATAL = .TRUE.
1590*1858f998SYi Kong                           GO TO 120
1591*1858f998SYi Kong                        END IF
1592*1858f998SYi Kong*
1593*1858f998SYi Kong                        IF( .NOT.NULL )THEN
1594*1858f998SYi Kong*
1595*1858f998SYi Kong*                          Check the result column by column.
1596*1858f998SYi Kong*
1597*1858f998SYi Kong                           JC = 1
1598*1858f998SYi Kong                           DO 40 J = 1, N
1599*1858f998SYi Kong                              IF( UPPER )THEN
1600*1858f998SYi Kong                                 JJ = 1
1601*1858f998SYi Kong                                 LJ = J
1602*1858f998SYi Kong                              ELSE
1603*1858f998SYi Kong                                 JJ = J
1604*1858f998SYi Kong                                 LJ = N - J + 1
1605*1858f998SYi Kong                              END IF
1606*1858f998SYi Kong                              IF( TRAN )THEN
1607*1858f998SYi Kong                                 CALL DMMCH( 'T', 'N', LJ, 1, K, ALPHA,
1608*1858f998SYi Kong     $                                       A( 1, JJ ), NMAX,
1609*1858f998SYi Kong     $                                       A( 1, J ), NMAX, BETA,
1610*1858f998SYi Kong     $                                       C( JJ, J ), NMAX, CT, G,
1611*1858f998SYi Kong     $                                       CC( JC ), LDC, EPS, ERR,
1612*1858f998SYi Kong     $                                       FATAL, NOUT, .TRUE. )
1613*1858f998SYi Kong                              ELSE
1614*1858f998SYi Kong                                 CALL DMMCH( 'N', 'T', LJ, 1, K, ALPHA,
1615*1858f998SYi Kong     $                                       A( JJ, 1 ), NMAX,
1616*1858f998SYi Kong     $                                       A( J, 1 ), NMAX, BETA,
1617*1858f998SYi Kong     $                                       C( JJ, J ), NMAX, CT, G,
1618*1858f998SYi Kong     $                                       CC( JC ), LDC, EPS, ERR,
1619*1858f998SYi Kong     $                                       FATAL, NOUT, .TRUE. )
1620*1858f998SYi Kong                              END IF
1621*1858f998SYi Kong                              IF( UPPER )THEN
1622*1858f998SYi Kong                                 JC = JC + LDC
1623*1858f998SYi Kong                              ELSE
1624*1858f998SYi Kong                                 JC = JC + LDC + 1
1625*1858f998SYi Kong                              END IF
1626*1858f998SYi Kong                              ERRMAX = MAX( ERRMAX, ERR )
1627*1858f998SYi Kong*                             If got really bad answer, report and
1628*1858f998SYi Kong*                             return.
1629*1858f998SYi Kong                              IF( FATAL )
1630*1858f998SYi Kong     $                           GO TO 110
1631*1858f998SYi Kong   40                      CONTINUE
1632*1858f998SYi Kong                        END IF
1633*1858f998SYi Kong*
1634*1858f998SYi Kong   50                CONTINUE
1635*1858f998SYi Kong*
1636*1858f998SYi Kong   60             CONTINUE
1637*1858f998SYi Kong*
1638*1858f998SYi Kong   70          CONTINUE
1639*1858f998SYi Kong*
1640*1858f998SYi Kong   80       CONTINUE
1641*1858f998SYi Kong*
1642*1858f998SYi Kong   90    CONTINUE
1643*1858f998SYi Kong*
1644*1858f998SYi Kong  100 CONTINUE
1645*1858f998SYi Kong*
1646*1858f998SYi Kong*     Report result.
1647*1858f998SYi Kong*
1648*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
1649*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10000 )SNAME, NC
1650*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10001 )SNAME, NC
1651*1858f998SYi Kong      ELSE
1652*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10002 )SNAME, NC, ERRMAX
1653*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10003 )SNAME, NC, ERRMAX
1654*1858f998SYi Kong      END IF
1655*1858f998SYi Kong      GO TO 130
1656*1858f998SYi Kong*
1657*1858f998SYi Kong  110 CONTINUE
1658*1858f998SYi Kong      IF( N.GT.1 )
1659*1858f998SYi Kong     $   WRITE( NOUT, FMT = 9995 )J
1660*1858f998SYi Kong*
1661*1858f998SYi Kong  120 CONTINUE
1662*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
1663*1858f998SYi Kong      CALL DPRCN4( NOUT, NC, SNAME, IORDER, UPLO, TRANS, N, K, ALPHA,
1664*1858f998SYi Kong     $   LDA, BETA, LDC)
1665*1858f998SYi Kong*
1666*1858f998SYi Kong  130 CONTINUE
1667*1858f998SYi Kong      RETURN
1668*1858f998SYi Kong*
1669*1858f998SYi Kong10003 FORMAT( ' ', A12,' COMPLETED THE ROW-MAJOR    COMPUTATIONAL ',
1670*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1671*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1672*1858f998SYi Kong10002 FORMAT( ' ', A12,' COMPLETED THE COLUMN-MAJOR COMPUTATIONAL ',
1673*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1674*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1675*1858f998SYi Kong10001 FORMAT( ' ', A12,' PASSED THE ROW-MAJOR    COMPUTATIONAL TESTS',
1676*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1677*1858f998SYi Kong10000 FORMAT( ' ', A12,' PASSED THE COLUMN-MAJOR COMPUTATIONAL TESTS',
1678*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1679*1858f998SYi Kong 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
1680*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
1681*1858f998SYi Kong 9996 FORMAT( ' ******* ', A12,' FAILED ON CALL NUMBER:' )
1682*1858f998SYi Kong 9995 FORMAT( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
1683*1858f998SYi Kong 9994 FORMAT( 1X, I6, ': ', A12,'(', 2( '''', A1, ''',' ), 2( I3, ',' ),
1684*1858f998SYi Kong     $      F4.1, ', A,', I3, ',', F4.1, ', C,', I3, ')           .' )
1685*1858f998SYi Kong 9993 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
1686*1858f998SYi Kong     $      '******' )
1687*1858f998SYi Kong*
1688*1858f998SYi Kong*     End of DCHK4.
1689*1858f998SYi Kong*
1690*1858f998SYi Kong      END
1691*1858f998SYi Kong*
1692*1858f998SYi Kong      SUBROUTINE DPRCN4(NOUT, NC, SNAME, IORDER, UPLO, TRANSA,
1693*1858f998SYi Kong     $                 N, K, ALPHA, LDA, BETA, LDC)
1694*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, N, K, LDA, LDC
1695*1858f998SYi Kong      DOUBLE PRECISION ALPHA, BETA
1696*1858f998SYi Kong      CHARACTER*1      UPLO, TRANSA
1697*1858f998SYi Kong      CHARACTER*12     SNAME
1698*1858f998SYi Kong      CHARACTER*14     CRC, CU, CA
1699*1858f998SYi Kong
1700*1858f998SYi Kong      IF (UPLO.EQ.'U')THEN
1701*1858f998SYi Kong         CU = '    CblasUpper'
1702*1858f998SYi Kong      ELSE
1703*1858f998SYi Kong         CU = '    CblasLower'
1704*1858f998SYi Kong      END IF
1705*1858f998SYi Kong      IF (TRANSA.EQ.'N')THEN
1706*1858f998SYi Kong         CA = '  CblasNoTrans'
1707*1858f998SYi Kong      ELSE IF (TRANSA.EQ.'T')THEN
1708*1858f998SYi Kong         CA = '    CblasTrans'
1709*1858f998SYi Kong      ELSE
1710*1858f998SYi Kong         CA = 'CblasConjTrans'
1711*1858f998SYi Kong      END IF
1712*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
1713*1858f998SYi Kong         CRC = ' CblasRowMajor'
1714*1858f998SYi Kong      ELSE
1715*1858f998SYi Kong         CRC = ' CblasColMajor'
1716*1858f998SYi Kong      END IF
1717*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC, SNAME, CRC, CU, CA
1718*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)N, K, ALPHA, LDA, BETA, LDC
1719*1858f998SYi Kong
1720*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', 3( A14, ',') )
1721*1858f998SYi Kong 9994 FORMAT( 20X, 2( I3, ',' ),
1722*1858f998SYi Kong     $      F4.1, ', A,', I3, ',', F4.1, ', C,', I3, ').' )
1723*1858f998SYi Kong      END
1724*1858f998SYi Kong*
1725*1858f998SYi Kong      SUBROUTINE DCHK5( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
1726*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
1727*1858f998SYi Kong     $                  AB, AA, AS, BB, BS, C, CC, CS, CT, G, W,
1728*1858f998SYi Kong     $			IORDER )
1729*1858f998SYi Kong*
1730*1858f998SYi Kong*  Tests DSYR2K.
1731*1858f998SYi Kong*
1732*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
1733*1858f998SYi Kong*
1734*1858f998SYi Kong*  -- Written on 8-February-1989.
1735*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
1736*1858f998SYi Kong*     Iain Duff, AERE Harwell.
1737*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
1738*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
1739*1858f998SYi Kong*
1740*1858f998SYi Kong*     .. Parameters ..
1741*1858f998SYi Kong      DOUBLE PRECISION   ZERO
1742*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0D0 )
1743*1858f998SYi Kong*     .. Scalar Arguments ..
1744*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
1745*1858f998SYi Kong      INTEGER            NALF, NBET, NIDIM, NMAX, NOUT, NTRA, IORDER
1746*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
1747*1858f998SYi Kong      CHARACTER*12       SNAME
1748*1858f998SYi Kong*     .. Array Arguments ..
1749*1858f998SYi Kong      DOUBLE PRECISION   AA( NMAX*NMAX ), AB( 2*NMAX*NMAX ),
1750*1858f998SYi Kong     $                   ALF( NALF ), AS( NMAX*NMAX ), BB( NMAX*NMAX ),
1751*1858f998SYi Kong     $                   BET( NBET ), BS( NMAX*NMAX ), C( NMAX, NMAX ),
1752*1858f998SYi Kong     $                   CC( NMAX*NMAX ), CS( NMAX*NMAX ), CT( NMAX ),
1753*1858f998SYi Kong     $                   G( NMAX ), W( 2*NMAX )
1754*1858f998SYi Kong      INTEGER            IDIM( NIDIM )
1755*1858f998SYi Kong*     .. Local Scalars ..
1756*1858f998SYi Kong      DOUBLE PRECISION   ALPHA, ALS, BETA, BETS, ERR, ERRMAX
1757*1858f998SYi Kong      INTEGER            I, IA, IB, ICT, ICU, IK, IN, J, JC, JJ, JJAB,
1758*1858f998SYi Kong     $                   K, KS, LAA, LBB, LCC, LDA, LDAS, LDB, LDBS,
1759*1858f998SYi Kong     $                   LDC, LDCS, LJ, MA, N, NA, NARGS, NC, NS
1760*1858f998SYi Kong      LOGICAL            NULL, RESET, SAME, TRAN, UPPER
1761*1858f998SYi Kong      CHARACTER*1        TRANS, TRANSS, UPLO, UPLOS
1762*1858f998SYi Kong      CHARACTER*2        ICHU
1763*1858f998SYi Kong      CHARACTER*3        ICHT
1764*1858f998SYi Kong*     .. Local Arrays ..
1765*1858f998SYi Kong      LOGICAL            ISAME( 13 )
1766*1858f998SYi Kong*     .. External Functions ..
1767*1858f998SYi Kong      LOGICAL            LDE, LDERES
1768*1858f998SYi Kong      EXTERNAL           LDE, LDERES
1769*1858f998SYi Kong*     .. External Subroutines ..
1770*1858f998SYi Kong      EXTERNAL           DMAKE, DMMCH, CDSYR2K
1771*1858f998SYi Kong*     .. Intrinsic Functions ..
1772*1858f998SYi Kong      INTRINSIC          MAX
1773*1858f998SYi Kong*     .. Scalars in Common ..
1774*1858f998SYi Kong      INTEGER            INFOT, NOUTC
1775*1858f998SYi Kong      LOGICAL             OK
1776*1858f998SYi Kong*     .. Common blocks ..
1777*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
1778*1858f998SYi Kong*     .. Data statements ..
1779*1858f998SYi Kong      DATA               ICHT/'NTC'/, ICHU/'UL'/
1780*1858f998SYi Kong*     .. Executable Statements ..
1781*1858f998SYi Kong*
1782*1858f998SYi Kong      NARGS = 12
1783*1858f998SYi Kong      NC = 0
1784*1858f998SYi Kong      RESET = .TRUE.
1785*1858f998SYi Kong      ERRMAX = ZERO
1786*1858f998SYi Kong*
1787*1858f998SYi Kong      DO 130 IN = 1, NIDIM
1788*1858f998SYi Kong         N = IDIM( IN )
1789*1858f998SYi Kong*        Set LDC to 1 more than minimum value if room.
1790*1858f998SYi Kong         LDC = N
1791*1858f998SYi Kong         IF( LDC.LT.NMAX )
1792*1858f998SYi Kong     $      LDC = LDC + 1
1793*1858f998SYi Kong*        Skip tests if not enough room.
1794*1858f998SYi Kong         IF( LDC.GT.NMAX )
1795*1858f998SYi Kong     $      GO TO 130
1796*1858f998SYi Kong         LCC = LDC*N
1797*1858f998SYi Kong         NULL = N.LE.0
1798*1858f998SYi Kong*
1799*1858f998SYi Kong         DO 120 IK = 1, NIDIM
1800*1858f998SYi Kong            K = IDIM( IK )
1801*1858f998SYi Kong*
1802*1858f998SYi Kong            DO 110 ICT = 1, 3
1803*1858f998SYi Kong               TRANS = ICHT( ICT: ICT )
1804*1858f998SYi Kong               TRAN = TRANS.EQ.'T'.OR.TRANS.EQ.'C'
1805*1858f998SYi Kong               IF( TRAN )THEN
1806*1858f998SYi Kong                  MA = K
1807*1858f998SYi Kong                  NA = N
1808*1858f998SYi Kong               ELSE
1809*1858f998SYi Kong                  MA = N
1810*1858f998SYi Kong                  NA = K
1811*1858f998SYi Kong               END IF
1812*1858f998SYi Kong*              Set LDA to 1 more than minimum value if room.
1813*1858f998SYi Kong               LDA = MA
1814*1858f998SYi Kong               IF( LDA.LT.NMAX )
1815*1858f998SYi Kong     $            LDA = LDA + 1
1816*1858f998SYi Kong*              Skip tests if not enough room.
1817*1858f998SYi Kong               IF( LDA.GT.NMAX )
1818*1858f998SYi Kong     $            GO TO 110
1819*1858f998SYi Kong               LAA = LDA*NA
1820*1858f998SYi Kong*
1821*1858f998SYi Kong*              Generate the matrix A.
1822*1858f998SYi Kong*
1823*1858f998SYi Kong               IF( TRAN )THEN
1824*1858f998SYi Kong                  CALL DMAKE( 'GE', ' ', ' ', MA, NA, AB, 2*NMAX, AA,
1825*1858f998SYi Kong     $                        LDA, RESET, ZERO )
1826*1858f998SYi Kong               ELSE
1827*1858f998SYi Kong                  CALL DMAKE( 'GE', ' ', ' ', MA, NA, AB, NMAX, AA, LDA,
1828*1858f998SYi Kong     $                        RESET, ZERO )
1829*1858f998SYi Kong               END IF
1830*1858f998SYi Kong*
1831*1858f998SYi Kong*              Generate the matrix B.
1832*1858f998SYi Kong*
1833*1858f998SYi Kong               LDB = LDA
1834*1858f998SYi Kong               LBB = LAA
1835*1858f998SYi Kong               IF( TRAN )THEN
1836*1858f998SYi Kong                  CALL DMAKE( 'GE', ' ', ' ', MA, NA, AB( K + 1 ),
1837*1858f998SYi Kong     $                        2*NMAX, BB, LDB, RESET, ZERO )
1838*1858f998SYi Kong               ELSE
1839*1858f998SYi Kong                  CALL DMAKE( 'GE', ' ', ' ', MA, NA, AB( K*NMAX + 1 ),
1840*1858f998SYi Kong     $                        NMAX, BB, LDB, RESET, ZERO )
1841*1858f998SYi Kong               END IF
1842*1858f998SYi Kong*
1843*1858f998SYi Kong               DO 100 ICU = 1, 2
1844*1858f998SYi Kong                  UPLO = ICHU( ICU: ICU )
1845*1858f998SYi Kong                  UPPER = UPLO.EQ.'U'
1846*1858f998SYi Kong*
1847*1858f998SYi Kong                  DO 90 IA = 1, NALF
1848*1858f998SYi Kong                     ALPHA = ALF( IA )
1849*1858f998SYi Kong*
1850*1858f998SYi Kong                     DO 80 IB = 1, NBET
1851*1858f998SYi Kong                        BETA = BET( IB )
1852*1858f998SYi Kong*
1853*1858f998SYi Kong*                       Generate the matrix C.
1854*1858f998SYi Kong*
1855*1858f998SYi Kong                        CALL DMAKE( 'SY', UPLO, ' ', N, N, C, NMAX, CC,
1856*1858f998SYi Kong     $                              LDC, RESET, ZERO )
1857*1858f998SYi Kong*
1858*1858f998SYi Kong                        NC = NC + 1
1859*1858f998SYi Kong*
1860*1858f998SYi Kong*                       Save every datum before calling the subroutine.
1861*1858f998SYi Kong*
1862*1858f998SYi Kong                        UPLOS = UPLO
1863*1858f998SYi Kong                        TRANSS = TRANS
1864*1858f998SYi Kong                        NS = N
1865*1858f998SYi Kong                        KS = K
1866*1858f998SYi Kong                        ALS = ALPHA
1867*1858f998SYi Kong                        DO 10 I = 1, LAA
1868*1858f998SYi Kong                           AS( I ) = AA( I )
1869*1858f998SYi Kong   10                   CONTINUE
1870*1858f998SYi Kong                        LDAS = LDA
1871*1858f998SYi Kong                        DO 20 I = 1, LBB
1872*1858f998SYi Kong                           BS( I ) = BB( I )
1873*1858f998SYi Kong   20                   CONTINUE
1874*1858f998SYi Kong                        LDBS = LDB
1875*1858f998SYi Kong                        BETS = BETA
1876*1858f998SYi Kong                        DO 30 I = 1, LCC
1877*1858f998SYi Kong                           CS( I ) = CC( I )
1878*1858f998SYi Kong   30                   CONTINUE
1879*1858f998SYi Kong                        LDCS = LDC
1880*1858f998SYi Kong*
1881*1858f998SYi Kong*                       Call the subroutine.
1882*1858f998SYi Kong*
1883*1858f998SYi Kong                        IF( TRACE )
1884*1858f998SYi Kong     $                     CALL DPRCN5( NTRA, NC, SNAME, IORDER, UPLO,
1885*1858f998SYi Kong     $                     TRANS, N, K, ALPHA, LDA, LDB, BETA, LDC)
1886*1858f998SYi Kong                        IF( REWI )
1887*1858f998SYi Kong     $                     REWIND NTRA
1888*1858f998SYi Kong                        CALL CDSYR2K( IORDER, UPLO, TRANS, N, K,
1889*1858f998SYi Kong     $                               ALPHA, AA, LDA, BB, LDB, BETA,
1890*1858f998SYi Kong     $				     CC, LDC )
1891*1858f998SYi Kong*
1892*1858f998SYi Kong*                       Check if error-exit was taken incorrectly.
1893*1858f998SYi Kong*
1894*1858f998SYi Kong                        IF( .NOT.OK )THEN
1895*1858f998SYi Kong                           WRITE( NOUT, FMT = 9993 )
1896*1858f998SYi Kong                           FATAL = .TRUE.
1897*1858f998SYi Kong                           GO TO 150
1898*1858f998SYi Kong                        END IF
1899*1858f998SYi Kong*
1900*1858f998SYi Kong*                       See what data changed inside subroutines.
1901*1858f998SYi Kong*
1902*1858f998SYi Kong                        ISAME( 1 ) = UPLOS.EQ.UPLO
1903*1858f998SYi Kong                        ISAME( 2 ) = TRANSS.EQ.TRANS
1904*1858f998SYi Kong                        ISAME( 3 ) = NS.EQ.N
1905*1858f998SYi Kong                        ISAME( 4 ) = KS.EQ.K
1906*1858f998SYi Kong                        ISAME( 5 ) = ALS.EQ.ALPHA
1907*1858f998SYi Kong                        ISAME( 6 ) = LDE( AS, AA, LAA )
1908*1858f998SYi Kong                        ISAME( 7 ) = LDAS.EQ.LDA
1909*1858f998SYi Kong                        ISAME( 8 ) = LDE( BS, BB, LBB )
1910*1858f998SYi Kong                        ISAME( 9 ) = LDBS.EQ.LDB
1911*1858f998SYi Kong                        ISAME( 10 ) = BETS.EQ.BETA
1912*1858f998SYi Kong                        IF( NULL )THEN
1913*1858f998SYi Kong                           ISAME( 11 ) = LDE( CS, CC, LCC )
1914*1858f998SYi Kong                        ELSE
1915*1858f998SYi Kong                           ISAME( 11 ) = LDERES( 'SY', UPLO, N, N, CS,
1916*1858f998SYi Kong     $                                   CC, LDC )
1917*1858f998SYi Kong                        END IF
1918*1858f998SYi Kong                        ISAME( 12 ) = LDCS.EQ.LDC
1919*1858f998SYi Kong*
1920*1858f998SYi Kong*                       If data was incorrectly changed, report and
1921*1858f998SYi Kong*                       return.
1922*1858f998SYi Kong*
1923*1858f998SYi Kong                        SAME = .TRUE.
1924*1858f998SYi Kong                        DO 40 I = 1, NARGS
1925*1858f998SYi Kong                           SAME = SAME.AND.ISAME( I )
1926*1858f998SYi Kong                           IF( .NOT.ISAME( I ) )
1927*1858f998SYi Kong     $                        WRITE( NOUT, FMT = 9998 )I
1928*1858f998SYi Kong   40                   CONTINUE
1929*1858f998SYi Kong                        IF( .NOT.SAME )THEN
1930*1858f998SYi Kong                           FATAL = .TRUE.
1931*1858f998SYi Kong                           GO TO 150
1932*1858f998SYi Kong                        END IF
1933*1858f998SYi Kong*
1934*1858f998SYi Kong                        IF( .NOT.NULL )THEN
1935*1858f998SYi Kong*
1936*1858f998SYi Kong*                          Check the result column by column.
1937*1858f998SYi Kong*
1938*1858f998SYi Kong                           JJAB = 1
1939*1858f998SYi Kong                           JC = 1
1940*1858f998SYi Kong                           DO 70 J = 1, N
1941*1858f998SYi Kong                              IF( UPPER )THEN
1942*1858f998SYi Kong                                 JJ = 1
1943*1858f998SYi Kong                                 LJ = J
1944*1858f998SYi Kong                              ELSE
1945*1858f998SYi Kong                                 JJ = J
1946*1858f998SYi Kong                                 LJ = N - J + 1
1947*1858f998SYi Kong                              END IF
1948*1858f998SYi Kong                              IF( TRAN )THEN
1949*1858f998SYi Kong                                 DO 50 I = 1, K
1950*1858f998SYi Kong                                    W( I ) = AB( ( J - 1 )*2*NMAX + K +
1951*1858f998SYi Kong     $                                       I )
1952*1858f998SYi Kong                                    W( K + I ) = AB( ( J - 1 )*2*NMAX +
1953*1858f998SYi Kong     $                                           I )
1954*1858f998SYi Kong   50                            CONTINUE
1955*1858f998SYi Kong                                 CALL DMMCH( 'T', 'N', LJ, 1, 2*K,
1956*1858f998SYi Kong     $                                       ALPHA, AB( JJAB ), 2*NMAX,
1957*1858f998SYi Kong     $                                       W, 2*NMAX, BETA,
1958*1858f998SYi Kong     $                                       C( JJ, J ), NMAX, CT, G,
1959*1858f998SYi Kong     $                                       CC( JC ), LDC, EPS, ERR,
1960*1858f998SYi Kong     $                                       FATAL, NOUT, .TRUE. )
1961*1858f998SYi Kong                              ELSE
1962*1858f998SYi Kong                                 DO 60 I = 1, K
1963*1858f998SYi Kong                                    W( I ) = AB( ( K + I - 1 )*NMAX +
1964*1858f998SYi Kong     $                                       J )
1965*1858f998SYi Kong                                    W( K + I ) = AB( ( I - 1 )*NMAX +
1966*1858f998SYi Kong     $                                           J )
1967*1858f998SYi Kong   60                            CONTINUE
1968*1858f998SYi Kong                                 CALL DMMCH( 'N', 'N', LJ, 1, 2*K,
1969*1858f998SYi Kong     $                                       ALPHA, AB( JJ ), NMAX, W,
1970*1858f998SYi Kong     $                                       2*NMAX, BETA, C( JJ, J ),
1971*1858f998SYi Kong     $                                       NMAX, CT, G, CC( JC ), LDC,
1972*1858f998SYi Kong     $                                       EPS, ERR, FATAL, NOUT,
1973*1858f998SYi Kong     $                                       .TRUE. )
1974*1858f998SYi Kong                              END IF
1975*1858f998SYi Kong                              IF( UPPER )THEN
1976*1858f998SYi Kong                                 JC = JC + LDC
1977*1858f998SYi Kong                              ELSE
1978*1858f998SYi Kong                                 JC = JC + LDC + 1
1979*1858f998SYi Kong                                 IF( TRAN )
1980*1858f998SYi Kong     $                              JJAB = JJAB + 2*NMAX
1981*1858f998SYi Kong                              END IF
1982*1858f998SYi Kong                              ERRMAX = MAX( ERRMAX, ERR )
1983*1858f998SYi Kong*                             If got really bad answer, report and
1984*1858f998SYi Kong*                             return.
1985*1858f998SYi Kong                              IF( FATAL )
1986*1858f998SYi Kong     $                           GO TO 140
1987*1858f998SYi Kong   70                      CONTINUE
1988*1858f998SYi Kong                        END IF
1989*1858f998SYi Kong*
1990*1858f998SYi Kong   80                CONTINUE
1991*1858f998SYi Kong*
1992*1858f998SYi Kong   90             CONTINUE
1993*1858f998SYi Kong*
1994*1858f998SYi Kong  100          CONTINUE
1995*1858f998SYi Kong*
1996*1858f998SYi Kong  110       CONTINUE
1997*1858f998SYi Kong*
1998*1858f998SYi Kong  120    CONTINUE
1999*1858f998SYi Kong*
2000*1858f998SYi Kong  130 CONTINUE
2001*1858f998SYi Kong*
2002*1858f998SYi Kong*     Report result.
2003*1858f998SYi Kong*
2004*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
2005*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10000 )SNAME, NC
2006*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10001 )SNAME, NC
2007*1858f998SYi Kong      ELSE
2008*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10002 )SNAME, NC, ERRMAX
2009*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10003 )SNAME, NC, ERRMAX
2010*1858f998SYi Kong      END IF
2011*1858f998SYi Kong      GO TO 160
2012*1858f998SYi Kong*
2013*1858f998SYi Kong  140 CONTINUE
2014*1858f998SYi Kong      IF( N.GT.1 )
2015*1858f998SYi Kong     $   WRITE( NOUT, FMT = 9995 )J
2016*1858f998SYi Kong*
2017*1858f998SYi Kong  150 CONTINUE
2018*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
2019*1858f998SYi Kong      CALL DPRCN5( NOUT, NC, SNAME, IORDER, UPLO, TRANS, N, K, ALPHA,
2020*1858f998SYi Kong     $   LDA, LDB, BETA, LDC)
2021*1858f998SYi Kong*
2022*1858f998SYi Kong  160 CONTINUE
2023*1858f998SYi Kong      RETURN
2024*1858f998SYi Kong*
2025*1858f998SYi Kong10003 FORMAT( ' ', A12,' COMPLETED THE ROW-MAJOR    COMPUTATIONAL ',
2026*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
2027*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
2028*1858f998SYi Kong10002 FORMAT( ' ', A12,' COMPLETED THE COLUMN-MAJOR COMPUTATIONAL ',
2029*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
2030*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
2031*1858f998SYi Kong10001 FORMAT( ' ', A12,' PASSED THE ROW-MAJOR    COMPUTATIONAL TESTS',
2032*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
2033*1858f998SYi Kong10000 FORMAT( ' ', A12,' PASSED THE COLUMN-MAJOR COMPUTATIONAL TESTS',
2034*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
2035*1858f998SYi Kong 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
2036*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
2037*1858f998SYi Kong 9996 FORMAT( ' ******* ', A12,' FAILED ON CALL NUMBER:' )
2038*1858f998SYi Kong 9995 FORMAT( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
2039*1858f998SYi Kong 9994 FORMAT( 1X, I6, ': ', A12,'(', 2( '''', A1, ''',' ), 2( I3, ',' ),
2040*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B,', I3, ',', F4.1, ', C,', I3, ')   ',
2041*1858f998SYi Kong     $      ' .' )
2042*1858f998SYi Kong 9993 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
2043*1858f998SYi Kong     $      '******' )
2044*1858f998SYi Kong*
2045*1858f998SYi Kong*     End of DCHK5.
2046*1858f998SYi Kong*
2047*1858f998SYi Kong      END
2048*1858f998SYi Kong*
2049*1858f998SYi Kong      SUBROUTINE DPRCN5(NOUT, NC, SNAME, IORDER, UPLO, TRANSA,
2050*1858f998SYi Kong     $                 N, K, ALPHA, LDA, LDB, BETA, LDC)
2051*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, N, K, LDA, LDB, LDC
2052*1858f998SYi Kong      DOUBLE PRECISION ALPHA, BETA
2053*1858f998SYi Kong      CHARACTER*1      UPLO, TRANSA
2054*1858f998SYi Kong      CHARACTER*12     SNAME
2055*1858f998SYi Kong      CHARACTER*14     CRC, CU, CA
2056*1858f998SYi Kong
2057*1858f998SYi Kong      IF (UPLO.EQ.'U')THEN
2058*1858f998SYi Kong         CU = '    CblasUpper'
2059*1858f998SYi Kong      ELSE
2060*1858f998SYi Kong         CU = '    CblasLower'
2061*1858f998SYi Kong      END IF
2062*1858f998SYi Kong      IF (TRANSA.EQ.'N')THEN
2063*1858f998SYi Kong         CA = '  CblasNoTrans'
2064*1858f998SYi Kong      ELSE IF (TRANSA.EQ.'T')THEN
2065*1858f998SYi Kong         CA = '    CblasTrans'
2066*1858f998SYi Kong      ELSE
2067*1858f998SYi Kong         CA = 'CblasConjTrans'
2068*1858f998SYi Kong      END IF
2069*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
2070*1858f998SYi Kong         CRC = ' CblasRowMajor'
2071*1858f998SYi Kong      ELSE
2072*1858f998SYi Kong         CRC = ' CblasColMajor'
2073*1858f998SYi Kong      END IF
2074*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC, SNAME, CRC, CU, CA
2075*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)N, K, ALPHA, LDA, LDB, BETA, LDC
2076*1858f998SYi Kong
2077*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', 3( A14, ',') )
2078*1858f998SYi Kong 9994 FORMAT( 20X, 2( I3, ',' ),
2079*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B', I3, ',', F4.1, ', C,', I3, ').' )
2080*1858f998SYi Kong      END
2081*1858f998SYi Kong*
2082*1858f998SYi Kong      SUBROUTINE DMAKE( TYPE, UPLO, DIAG, M, N, A, NMAX, AA, LDA, RESET,
2083*1858f998SYi Kong     $                  TRANSL )
2084*1858f998SYi Kong*
2085*1858f998SYi Kong*  Generates values for an M by N matrix A.
2086*1858f998SYi Kong*  Stores the values in the array AA in the data structure required
2087*1858f998SYi Kong*  by the routine, with unwanted elements set to rogue value.
2088*1858f998SYi Kong*
2089*1858f998SYi Kong*  TYPE is 'GE', 'SY' or 'TR'.
2090*1858f998SYi Kong*
2091*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2092*1858f998SYi Kong*
2093*1858f998SYi Kong*  -- Written on 8-February-1989.
2094*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2095*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2096*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2097*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2098*1858f998SYi Kong*
2099*1858f998SYi Kong*     .. Parameters ..
2100*1858f998SYi Kong      DOUBLE PRECISION   ZERO, ONE
2101*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0D0, ONE = 1.0D0 )
2102*1858f998SYi Kong      DOUBLE PRECISION   ROGUE
2103*1858f998SYi Kong      PARAMETER          ( ROGUE = -1.0D10 )
2104*1858f998SYi Kong*     .. Scalar Arguments ..
2105*1858f998SYi Kong      DOUBLE PRECISION   TRANSL
2106*1858f998SYi Kong      INTEGER            LDA, M, N, NMAX
2107*1858f998SYi Kong      LOGICAL            RESET
2108*1858f998SYi Kong      CHARACTER*1        DIAG, UPLO
2109*1858f998SYi Kong      CHARACTER*2        TYPE
2110*1858f998SYi Kong*     .. Array Arguments ..
2111*1858f998SYi Kong      DOUBLE PRECISION   A( NMAX, * ), AA( * )
2112*1858f998SYi Kong*     .. Local Scalars ..
2113*1858f998SYi Kong      INTEGER            I, IBEG, IEND, J
2114*1858f998SYi Kong      LOGICAL            GEN, LOWER, SYM, TRI, UNIT, UPPER
2115*1858f998SYi Kong*     .. External Functions ..
2116*1858f998SYi Kong      DOUBLE PRECISION   DBEG
2117*1858f998SYi Kong      EXTERNAL           DBEG
2118*1858f998SYi Kong*     .. Executable Statements ..
2119*1858f998SYi Kong      GEN = TYPE.EQ.'GE'
2120*1858f998SYi Kong      SYM = TYPE.EQ.'SY'
2121*1858f998SYi Kong      TRI = TYPE.EQ.'TR'
2122*1858f998SYi Kong      UPPER = ( SYM.OR.TRI ).AND.UPLO.EQ.'U'
2123*1858f998SYi Kong      LOWER = ( SYM.OR.TRI ).AND.UPLO.EQ.'L'
2124*1858f998SYi Kong      UNIT = TRI.AND.DIAG.EQ.'U'
2125*1858f998SYi Kong*
2126*1858f998SYi Kong*     Generate data in array A.
2127*1858f998SYi Kong*
2128*1858f998SYi Kong      DO 20 J = 1, N
2129*1858f998SYi Kong         DO 10 I = 1, M
2130*1858f998SYi Kong            IF( GEN.OR.( UPPER.AND.I.LE.J ).OR.( LOWER.AND.I.GE.J ) )
2131*1858f998SYi Kong     $          THEN
2132*1858f998SYi Kong               A( I, J ) = DBEG( RESET ) + TRANSL
2133*1858f998SYi Kong               IF( I.NE.J )THEN
2134*1858f998SYi Kong*                 Set some elements to zero
2135*1858f998SYi Kong                  IF( N.GT.3.AND.J.EQ.N/2 )
2136*1858f998SYi Kong     $               A( I, J ) = ZERO
2137*1858f998SYi Kong                  IF( SYM )THEN
2138*1858f998SYi Kong                     A( J, I ) = A( I, J )
2139*1858f998SYi Kong                  ELSE IF( TRI )THEN
2140*1858f998SYi Kong                     A( J, I ) = ZERO
2141*1858f998SYi Kong                  END IF
2142*1858f998SYi Kong               END IF
2143*1858f998SYi Kong            END IF
2144*1858f998SYi Kong   10    CONTINUE
2145*1858f998SYi Kong         IF( TRI )
2146*1858f998SYi Kong     $      A( J, J ) = A( J, J ) + ONE
2147*1858f998SYi Kong         IF( UNIT )
2148*1858f998SYi Kong     $      A( J, J ) = ONE
2149*1858f998SYi Kong   20 CONTINUE
2150*1858f998SYi Kong*
2151*1858f998SYi Kong*     Store elements in array AS in data structure required by routine.
2152*1858f998SYi Kong*
2153*1858f998SYi Kong      IF( TYPE.EQ.'GE' )THEN
2154*1858f998SYi Kong         DO 50 J = 1, N
2155*1858f998SYi Kong            DO 30 I = 1, M
2156*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = A( I, J )
2157*1858f998SYi Kong   30       CONTINUE
2158*1858f998SYi Kong            DO 40 I = M + 1, LDA
2159*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2160*1858f998SYi Kong   40       CONTINUE
2161*1858f998SYi Kong   50    CONTINUE
2162*1858f998SYi Kong      ELSE IF( TYPE.EQ.'SY'.OR.TYPE.EQ.'TR' )THEN
2163*1858f998SYi Kong         DO 90 J = 1, N
2164*1858f998SYi Kong            IF( UPPER )THEN
2165*1858f998SYi Kong               IBEG = 1
2166*1858f998SYi Kong               IF( UNIT )THEN
2167*1858f998SYi Kong                  IEND = J - 1
2168*1858f998SYi Kong               ELSE
2169*1858f998SYi Kong                  IEND = J
2170*1858f998SYi Kong               END IF
2171*1858f998SYi Kong            ELSE
2172*1858f998SYi Kong               IF( UNIT )THEN
2173*1858f998SYi Kong                  IBEG = J + 1
2174*1858f998SYi Kong               ELSE
2175*1858f998SYi Kong                  IBEG = J
2176*1858f998SYi Kong               END IF
2177*1858f998SYi Kong               IEND = N
2178*1858f998SYi Kong            END IF
2179*1858f998SYi Kong            DO 60 I = 1, IBEG - 1
2180*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2181*1858f998SYi Kong   60       CONTINUE
2182*1858f998SYi Kong            DO 70 I = IBEG, IEND
2183*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = A( I, J )
2184*1858f998SYi Kong   70       CONTINUE
2185*1858f998SYi Kong            DO 80 I = IEND + 1, LDA
2186*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2187*1858f998SYi Kong   80       CONTINUE
2188*1858f998SYi Kong   90    CONTINUE
2189*1858f998SYi Kong      END IF
2190*1858f998SYi Kong      RETURN
2191*1858f998SYi Kong*
2192*1858f998SYi Kong*     End of DMAKE.
2193*1858f998SYi Kong*
2194*1858f998SYi Kong      END
2195*1858f998SYi Kong      SUBROUTINE DMMCH( TRANSA, TRANSB, M, N, KK, ALPHA, A, LDA, B, LDB,
2196*1858f998SYi Kong     $                  BETA, C, LDC, CT, G, CC, LDCC, EPS, ERR, FATAL,
2197*1858f998SYi Kong     $                  NOUT, MV )
2198*1858f998SYi Kong*
2199*1858f998SYi Kong*  Checks the results of the computational tests.
2200*1858f998SYi Kong*
2201*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2202*1858f998SYi Kong*
2203*1858f998SYi Kong*  -- Written on 8-February-1989.
2204*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2205*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2206*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2207*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2208*1858f998SYi Kong*
2209*1858f998SYi Kong*     .. Parameters ..
2210*1858f998SYi Kong      DOUBLE PRECISION   ZERO, ONE
2211*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0D0, ONE = 1.0D0 )
2212*1858f998SYi Kong*     .. Scalar Arguments ..
2213*1858f998SYi Kong      DOUBLE PRECISION   ALPHA, BETA, EPS, ERR
2214*1858f998SYi Kong      INTEGER            KK, LDA, LDB, LDC, LDCC, M, N, NOUT
2215*1858f998SYi Kong      LOGICAL            FATAL, MV
2216*1858f998SYi Kong      CHARACTER*1        TRANSA, TRANSB
2217*1858f998SYi Kong*     .. Array Arguments ..
2218*1858f998SYi Kong      DOUBLE PRECISION   A( LDA, * ), B( LDB, * ), C( LDC, * ),
2219*1858f998SYi Kong     $                   CC( LDCC, * ), CT( * ), G( * )
2220*1858f998SYi Kong*     .. Local Scalars ..
2221*1858f998SYi Kong      DOUBLE PRECISION   ERRI
2222*1858f998SYi Kong      INTEGER            I, J, K
2223*1858f998SYi Kong      LOGICAL            TRANA, TRANB
2224*1858f998SYi Kong*     .. Intrinsic Functions ..
2225*1858f998SYi Kong      INTRINSIC          ABS, MAX, SQRT
2226*1858f998SYi Kong*     .. Executable Statements ..
2227*1858f998SYi Kong      TRANA = TRANSA.EQ.'T'.OR.TRANSA.EQ.'C'
2228*1858f998SYi Kong      TRANB = TRANSB.EQ.'T'.OR.TRANSB.EQ.'C'
2229*1858f998SYi Kong*
2230*1858f998SYi Kong*     Compute expected result, one column at a time, in CT using data
2231*1858f998SYi Kong*     in A, B and C.
2232*1858f998SYi Kong*     Compute gauges in G.
2233*1858f998SYi Kong*
2234*1858f998SYi Kong      DO 120 J = 1, N
2235*1858f998SYi Kong*
2236*1858f998SYi Kong         DO 10 I = 1, M
2237*1858f998SYi Kong            CT( I ) = ZERO
2238*1858f998SYi Kong            G( I ) = ZERO
2239*1858f998SYi Kong   10    CONTINUE
2240*1858f998SYi Kong         IF( .NOT.TRANA.AND..NOT.TRANB )THEN
2241*1858f998SYi Kong            DO 30 K = 1, KK
2242*1858f998SYi Kong               DO 20 I = 1, M
2243*1858f998SYi Kong                  CT( I ) = CT( I ) + A( I, K )*B( K, J )
2244*1858f998SYi Kong                  G( I ) = G( I ) + ABS( A( I, K ) )*ABS( B( K, J ) )
2245*1858f998SYi Kong   20          CONTINUE
2246*1858f998SYi Kong   30       CONTINUE
2247*1858f998SYi Kong         ELSE IF( TRANA.AND..NOT.TRANB )THEN
2248*1858f998SYi Kong            DO 50 K = 1, KK
2249*1858f998SYi Kong               DO 40 I = 1, M
2250*1858f998SYi Kong                  CT( I ) = CT( I ) + A( K, I )*B( K, J )
2251*1858f998SYi Kong                  G( I ) = G( I ) + ABS( A( K, I ) )*ABS( B( K, J ) )
2252*1858f998SYi Kong   40          CONTINUE
2253*1858f998SYi Kong   50       CONTINUE
2254*1858f998SYi Kong         ELSE IF( .NOT.TRANA.AND.TRANB )THEN
2255*1858f998SYi Kong            DO 70 K = 1, KK
2256*1858f998SYi Kong               DO 60 I = 1, M
2257*1858f998SYi Kong                  CT( I ) = CT( I ) + A( I, K )*B( J, K )
2258*1858f998SYi Kong                  G( I ) = G( I ) + ABS( A( I, K ) )*ABS( B( J, K ) )
2259*1858f998SYi Kong   60          CONTINUE
2260*1858f998SYi Kong   70       CONTINUE
2261*1858f998SYi Kong         ELSE IF( TRANA.AND.TRANB )THEN
2262*1858f998SYi Kong            DO 90 K = 1, KK
2263*1858f998SYi Kong               DO 80 I = 1, M
2264*1858f998SYi Kong                  CT( I ) = CT( I ) + A( K, I )*B( J, K )
2265*1858f998SYi Kong                  G( I ) = G( I ) + ABS( A( K, I ) )*ABS( B( J, K ) )
2266*1858f998SYi Kong   80          CONTINUE
2267*1858f998SYi Kong   90       CONTINUE
2268*1858f998SYi Kong         END IF
2269*1858f998SYi Kong         DO 100 I = 1, M
2270*1858f998SYi Kong            CT( I ) = ALPHA*CT( I ) + BETA*C( I, J )
2271*1858f998SYi Kong            G( I ) = ABS( ALPHA )*G( I ) + ABS( BETA )*ABS( C( I, J ) )
2272*1858f998SYi Kong  100    CONTINUE
2273*1858f998SYi Kong*
2274*1858f998SYi Kong*        Compute the error ratio for this result.
2275*1858f998SYi Kong*
2276*1858f998SYi Kong         ERR = ZERO
2277*1858f998SYi Kong         DO 110 I = 1, M
2278*1858f998SYi Kong            ERRI = ABS( CT( I ) - CC( I, J ) )/EPS
2279*1858f998SYi Kong            IF( G( I ).NE.ZERO )
2280*1858f998SYi Kong     $         ERRI = ERRI/G( I )
2281*1858f998SYi Kong            ERR = MAX( ERR, ERRI )
2282*1858f998SYi Kong            IF( ERR*SQRT( EPS ).GE.ONE )
2283*1858f998SYi Kong     $         GO TO 130
2284*1858f998SYi Kong  110    CONTINUE
2285*1858f998SYi Kong*
2286*1858f998SYi Kong  120 CONTINUE
2287*1858f998SYi Kong*
2288*1858f998SYi Kong*     If the loop completes, all results are at least half accurate.
2289*1858f998SYi Kong      GO TO 150
2290*1858f998SYi Kong*
2291*1858f998SYi Kong*     Report fatal error.
2292*1858f998SYi Kong*
2293*1858f998SYi Kong  130 FATAL = .TRUE.
2294*1858f998SYi Kong      WRITE( NOUT, FMT = 9999 )
2295*1858f998SYi Kong      DO 140 I = 1, M
2296*1858f998SYi Kong         IF( MV )THEN
2297*1858f998SYi Kong            WRITE( NOUT, FMT = 9998 )I, CT( I ), CC( I, J )
2298*1858f998SYi Kong         ELSE
2299*1858f998SYi Kong            WRITE( NOUT, FMT = 9998 )I, CC( I, J ), CT( I )
2300*1858f998SYi Kong         END IF
2301*1858f998SYi Kong  140 CONTINUE
2302*1858f998SYi Kong      IF( N.GT.1 )
2303*1858f998SYi Kong     $   WRITE( NOUT, FMT = 9997 )J
2304*1858f998SYi Kong*
2305*1858f998SYi Kong  150 CONTINUE
2306*1858f998SYi Kong      RETURN
2307*1858f998SYi Kong*
2308*1858f998SYi Kong 9999 FORMAT( ' ******* FATAL ERROR - COMPUTED RESULT IS LESS THAN HAL',
2309*1858f998SYi Kong     $      'F ACCURATE *******', /'           EXPECTED RESULT   COMPU',
2310*1858f998SYi Kong     $      'TED RESULT' )
2311*1858f998SYi Kong 9998 FORMAT( 1X, I7, 2G18.6 )
2312*1858f998SYi Kong 9997 FORMAT( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
2313*1858f998SYi Kong*
2314*1858f998SYi Kong*     End of DMMCH.
2315*1858f998SYi Kong*
2316*1858f998SYi Kong      END
2317*1858f998SYi Kong      LOGICAL FUNCTION LDE( RI, RJ, LR )
2318*1858f998SYi Kong*
2319*1858f998SYi Kong*  Tests if two arrays are identical.
2320*1858f998SYi Kong*
2321*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2322*1858f998SYi Kong*
2323*1858f998SYi Kong*  -- Written on 8-February-1989.
2324*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2325*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2326*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2327*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2328*1858f998SYi Kong*
2329*1858f998SYi Kong*     .. Scalar Arguments ..
2330*1858f998SYi Kong      INTEGER            LR
2331*1858f998SYi Kong*     .. Array Arguments ..
2332*1858f998SYi Kong      DOUBLE PRECISION   RI( * ), RJ( * )
2333*1858f998SYi Kong*     .. Local Scalars ..
2334*1858f998SYi Kong      INTEGER            I
2335*1858f998SYi Kong*     .. Executable Statements ..
2336*1858f998SYi Kong      DO 10 I = 1, LR
2337*1858f998SYi Kong         IF( RI( I ).NE.RJ( I ) )
2338*1858f998SYi Kong     $      GO TO 20
2339*1858f998SYi Kong   10 CONTINUE
2340*1858f998SYi Kong      LDE = .TRUE.
2341*1858f998SYi Kong      GO TO 30
2342*1858f998SYi Kong   20 CONTINUE
2343*1858f998SYi Kong      LDE = .FALSE.
2344*1858f998SYi Kong   30 RETURN
2345*1858f998SYi Kong*
2346*1858f998SYi Kong*     End of LDE.
2347*1858f998SYi Kong*
2348*1858f998SYi Kong      END
2349*1858f998SYi Kong      LOGICAL FUNCTION LDERES( TYPE, UPLO, M, N, AA, AS, LDA )
2350*1858f998SYi Kong*
2351*1858f998SYi Kong*  Tests if selected elements in two arrays are equal.
2352*1858f998SYi Kong*
2353*1858f998SYi Kong*  TYPE is 'GE' or 'SY'.
2354*1858f998SYi Kong*
2355*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2356*1858f998SYi Kong*
2357*1858f998SYi Kong*  -- Written on 8-February-1989.
2358*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2359*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2360*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2361*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2362*1858f998SYi Kong*
2363*1858f998SYi Kong*     .. Scalar Arguments ..
2364*1858f998SYi Kong      INTEGER            LDA, M, N
2365*1858f998SYi Kong      CHARACTER*1        UPLO
2366*1858f998SYi Kong      CHARACTER*2        TYPE
2367*1858f998SYi Kong*     .. Array Arguments ..
2368*1858f998SYi Kong      DOUBLE PRECISION   AA( LDA, * ), AS( LDA, * )
2369*1858f998SYi Kong*     .. Local Scalars ..
2370*1858f998SYi Kong      INTEGER            I, IBEG, IEND, J
2371*1858f998SYi Kong      LOGICAL            UPPER
2372*1858f998SYi Kong*     .. Executable Statements ..
2373*1858f998SYi Kong      UPPER = UPLO.EQ.'U'
2374*1858f998SYi Kong      IF( TYPE.EQ.'GE' )THEN
2375*1858f998SYi Kong         DO 20 J = 1, N
2376*1858f998SYi Kong            DO 10 I = M + 1, LDA
2377*1858f998SYi Kong               IF( AA( I, J ).NE.AS( I, J ) )
2378*1858f998SYi Kong     $            GO TO 70
2379*1858f998SYi Kong   10       CONTINUE
2380*1858f998SYi Kong   20    CONTINUE
2381*1858f998SYi Kong      ELSE IF( TYPE.EQ.'SY' )THEN
2382*1858f998SYi Kong         DO 50 J = 1, N
2383*1858f998SYi Kong            IF( UPPER )THEN
2384*1858f998SYi Kong               IBEG = 1
2385*1858f998SYi Kong               IEND = J
2386*1858f998SYi Kong            ELSE
2387*1858f998SYi Kong               IBEG = J
2388*1858f998SYi Kong               IEND = N
2389*1858f998SYi Kong            END IF
2390*1858f998SYi Kong            DO 30 I = 1, IBEG - 1
2391*1858f998SYi Kong               IF( AA( I, J ).NE.AS( I, J ) )
2392*1858f998SYi Kong     $            GO TO 70
2393*1858f998SYi Kong   30       CONTINUE
2394*1858f998SYi Kong            DO 40 I = IEND + 1, LDA
2395*1858f998SYi Kong               IF( AA( I, J ).NE.AS( I, J ) )
2396*1858f998SYi Kong     $            GO TO 70
2397*1858f998SYi Kong   40       CONTINUE
2398*1858f998SYi Kong   50    CONTINUE
2399*1858f998SYi Kong      END IF
2400*1858f998SYi Kong*
2401*1858f998SYi Kong   60 CONTINUE
2402*1858f998SYi Kong      LDERES = .TRUE.
2403*1858f998SYi Kong      GO TO 80
2404*1858f998SYi Kong   70 CONTINUE
2405*1858f998SYi Kong      LDERES = .FALSE.
2406*1858f998SYi Kong   80 RETURN
2407*1858f998SYi Kong*
2408*1858f998SYi Kong*     End of LDERES.
2409*1858f998SYi Kong*
2410*1858f998SYi Kong      END
2411*1858f998SYi Kong      DOUBLE PRECISION FUNCTION DBEG( RESET )
2412*1858f998SYi Kong*
2413*1858f998SYi Kong*  Generates random numbers uniformly distributed between -0.5 and 0.5.
2414*1858f998SYi Kong*
2415*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2416*1858f998SYi Kong*
2417*1858f998SYi Kong*  -- Written on 8-February-1989.
2418*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2419*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2420*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2421*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2422*1858f998SYi Kong*
2423*1858f998SYi Kong*     .. Scalar Arguments ..
2424*1858f998SYi Kong      LOGICAL            RESET
2425*1858f998SYi Kong*     .. Local Scalars ..
2426*1858f998SYi Kong      INTEGER            I, IC, MI
2427*1858f998SYi Kong*     .. Save statement ..
2428*1858f998SYi Kong      SAVE               I, IC, MI
2429*1858f998SYi Kong*     .. Executable Statements ..
2430*1858f998SYi Kong      IF( RESET )THEN
2431*1858f998SYi Kong*        Initialize local variables.
2432*1858f998SYi Kong         MI = 891
2433*1858f998SYi Kong         I = 7
2434*1858f998SYi Kong         IC = 0
2435*1858f998SYi Kong         RESET = .FALSE.
2436*1858f998SYi Kong      END IF
2437*1858f998SYi Kong*
2438*1858f998SYi Kong*     The sequence of values of I is bounded between 1 and 999.
2439*1858f998SYi Kong*     If initial I = 1,2,3,6,7 or 9, the period will be 50.
2440*1858f998SYi Kong*     If initial I = 4 or 8, the period will be 25.
2441*1858f998SYi Kong*     If initial I = 5, the period will be 10.
2442*1858f998SYi Kong*     IC is used to break up the period by skipping 1 value of I in 6.
2443*1858f998SYi Kong*
2444*1858f998SYi Kong      IC = IC + 1
2445*1858f998SYi Kong   10 I = I*MI
2446*1858f998SYi Kong      I = I - 1000*( I/1000 )
2447*1858f998SYi Kong      IF( IC.GE.5 )THEN
2448*1858f998SYi Kong         IC = 0
2449*1858f998SYi Kong         GO TO 10
2450*1858f998SYi Kong      END IF
2451*1858f998SYi Kong      DBEG = ( I - 500 )/1001.0D0
2452*1858f998SYi Kong      RETURN
2453*1858f998SYi Kong*
2454*1858f998SYi Kong*     End of DBEG.
2455*1858f998SYi Kong*
2456*1858f998SYi Kong      END
2457*1858f998SYi Kong      DOUBLE PRECISION FUNCTION DDIFF( X, Y )
2458*1858f998SYi Kong*
2459*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2460*1858f998SYi Kong*
2461*1858f998SYi Kong*  -- Written on 8-February-1989.
2462*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2463*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2464*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2465*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2466*1858f998SYi Kong*
2467*1858f998SYi Kong*     .. Scalar Arguments ..
2468*1858f998SYi Kong      DOUBLE PRECISION   X, Y
2469*1858f998SYi Kong*     .. Executable Statements ..
2470*1858f998SYi Kong      DDIFF = X - Y
2471*1858f998SYi Kong      RETURN
2472*1858f998SYi Kong*
2473*1858f998SYi Kong*     End of DDIFF.
2474*1858f998SYi Kong*
2475*1858f998SYi Kong      END
2476