xref: /aosp_15_r20/external/cblas/testing/c_sblat3.f (revision 1858f9982ea1ad57fb52080c08594e4d1cce4fa1)
1*1858f998SYi Kong      PROGRAM SBLAT3
2*1858f998SYi Kong*
3*1858f998SYi Kong*  Test program for the REAL             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*  'SBLAT3.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_sgemm  T PUT F FOR NO TEST. SAME COLUMNS.
24*1858f998SYi Kong*  cblas_ssymm  T PUT F FOR NO TEST. SAME COLUMNS.
25*1858f998SYi Kong*  cblas_strmm  T PUT F FOR NO TEST. SAME COLUMNS.
26*1858f998SYi Kong*  cblas_strsm  T PUT F FOR NO TEST. SAME COLUMNS.
27*1858f998SYi Kong*  cblas_ssyrk  T PUT F FOR NO TEST. SAME COLUMNS.
28*1858f998SYi Kong*  cblas_ssyr2k 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      REAL               ZERO, HALF, ONE
51*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0, HALF = 0.5, ONE = 1.0 )
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      REAL               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      REAL               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      REAL               SDIFF
77*1858f998SYi Kong      LOGICAL            LSE
78*1858f998SYi Kong      EXTERNAL           SDIFF, LSE
79*1858f998SYi Kong*     .. External Subroutines ..
80*1858f998SYi Kong      EXTERNAL           SCHK1, SCHK2, SCHK3, SCHK4, SCHK5, CS3CHKE,
81*1858f998SYi Kong     $                   SMMCH
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_sgemm ', 'cblas_ssymm ',
93*1858f998SYi Kong     $                   'cblas_strmm ', 'cblas_strsm ','cblas_ssyrk ',
94*1858f998SYi Kong     $                   'cblas_ssyr2k'/
95*1858f998SYi Kong*     .. Executable Statements ..
96*1858f998SYi Kong*
97*1858f998SYi Kong      NOUTC = NOUT
98*1858f998SYi Kong*     Read name and unit number for summary output file and open file.
99*1858f998SYi Kong*
100*1858f998SYi Kong      READ( NIN, FMT = * )SNAPS
101*1858f998SYi Kong      READ( NIN, FMT = * )NTRA
102*1858f998SYi Kong      TRACE = NTRA.GE.0
103*1858f998SYi Kong      IF( TRACE )THEN
104*1858f998SYi Kong*         OPEN( NTRA, FILE = SNAPS, STATUS = 'NEW' )
105*1858f998SYi Kong          OPEN( NTRA, FILE = SNAPS )
106*1858f998SYi Kong      END IF
107*1858f998SYi Kong*     Read the flag that directs rewinding of the snapshot file.
108*1858f998SYi Kong      READ( NIN, FMT = * )REWI
109*1858f998SYi Kong      REWI = REWI.AND.TRACE
110*1858f998SYi Kong*     Read the flag that directs stopping on any failure.
111*1858f998SYi Kong      READ( NIN, FMT = * )SFATAL
112*1858f998SYi Kong*     Read the flag that indicates whether error exits are to be tested.
113*1858f998SYi Kong      READ( NIN, FMT = * )TSTERR
114*1858f998SYi Kong*     Read the flag that indicates whether row-major data layout to be tested.
115*1858f998SYi Kong      READ( NIN, FMT = * )LAYOUT
116*1858f998SYi Kong*     Read the threshold value of the test ratio
117*1858f998SYi Kong      READ( NIN, FMT = * )THRESH
118*1858f998SYi Kong*
119*1858f998SYi Kong*     Read and check the parameter values for the tests.
120*1858f998SYi Kong*
121*1858f998SYi Kong*     Values of N
122*1858f998SYi Kong      READ( NIN, FMT = * )NIDIM
123*1858f998SYi Kong      IF( NIDIM.LT.1.OR.NIDIM.GT.NIDMAX )THEN
124*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'N', NIDMAX
125*1858f998SYi Kong         GO TO 220
126*1858f998SYi Kong      END IF
127*1858f998SYi Kong      READ( NIN, FMT = * )( IDIM( I ), I = 1, NIDIM )
128*1858f998SYi Kong      DO 10 I = 1, NIDIM
129*1858f998SYi Kong         IF( IDIM( I ).LT.0.OR.IDIM( I ).GT.NMAX )THEN
130*1858f998SYi Kong            WRITE( NOUT, FMT = 9996 )NMAX
131*1858f998SYi Kong            GO TO 220
132*1858f998SYi Kong         END IF
133*1858f998SYi Kong   10 CONTINUE
134*1858f998SYi Kong*     Values of ALPHA
135*1858f998SYi Kong      READ( NIN, FMT = * )NALF
136*1858f998SYi Kong      IF( NALF.LT.1.OR.NALF.GT.NALMAX )THEN
137*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'ALPHA', NALMAX
138*1858f998SYi Kong         GO TO 220
139*1858f998SYi Kong      END IF
140*1858f998SYi Kong      READ( NIN, FMT = * )( ALF( I ), I = 1, NALF )
141*1858f998SYi Kong*     Values of BETA
142*1858f998SYi Kong      READ( NIN, FMT = * )NBET
143*1858f998SYi Kong      IF( NBET.LT.1.OR.NBET.GT.NBEMAX )THEN
144*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'BETA', NBEMAX
145*1858f998SYi Kong         GO TO 220
146*1858f998SYi Kong      END IF
147*1858f998SYi Kong      READ( NIN, FMT = * )( BET( I ), I = 1, NBET )
148*1858f998SYi Kong*
149*1858f998SYi Kong*     Report values of parameters.
150*1858f998SYi Kong*
151*1858f998SYi Kong      WRITE( NOUT, FMT = 9995 )
152*1858f998SYi Kong      WRITE( NOUT, FMT = 9994 )( IDIM( I ), I = 1, NIDIM )
153*1858f998SYi Kong      WRITE( NOUT, FMT = 9993 )( ALF( I ), I = 1, NALF )
154*1858f998SYi Kong      WRITE( NOUT, FMT = 9992 )( BET( I ), I = 1, NBET )
155*1858f998SYi Kong      IF( .NOT.TSTERR )THEN
156*1858f998SYi Kong         WRITE( NOUT, FMT = * )
157*1858f998SYi Kong         WRITE( NOUT, FMT = 9984 )
158*1858f998SYi Kong      END IF
159*1858f998SYi Kong      WRITE( NOUT, FMT = * )
160*1858f998SYi Kong      WRITE( NOUT, FMT = 9999 )THRESH
161*1858f998SYi Kong      WRITE( NOUT, FMT = * )
162*1858f998SYi Kong
163*1858f998SYi Kong      RORDER = .FALSE.
164*1858f998SYi Kong      CORDER = .FALSE.
165*1858f998SYi Kong      IF (LAYOUT.EQ.2) THEN
166*1858f998SYi Kong         RORDER = .TRUE.
167*1858f998SYi Kong         CORDER = .TRUE.
168*1858f998SYi Kong         WRITE( *, FMT = 10002 )
169*1858f998SYi Kong      ELSE IF (LAYOUT.EQ.1) THEN
170*1858f998SYi Kong         RORDER = .TRUE.
171*1858f998SYi Kong         WRITE( *, FMT = 10001 )
172*1858f998SYi Kong      ELSE IF (LAYOUT.EQ.0) THEN
173*1858f998SYi Kong         CORDER = .TRUE.
174*1858f998SYi Kong         WRITE( *, FMT = 10000 )
175*1858f998SYi Kong      END IF
176*1858f998SYi Kong      WRITE( *, FMT = * )
177*1858f998SYi Kong
178*1858f998SYi Kong*
179*1858f998SYi Kong*     Read names of subroutines and flags which indicate
180*1858f998SYi Kong*     whether they are to be tested.
181*1858f998SYi Kong*
182*1858f998SYi Kong      DO 20 I = 1, NSUBS
183*1858f998SYi Kong         LTEST( I ) = .FALSE.
184*1858f998SYi Kong   20 CONTINUE
185*1858f998SYi Kong   30 READ( NIN, FMT = 9988, END = 60 )SNAMET, LTESTT
186*1858f998SYi Kong      DO 40 I = 1, NSUBS
187*1858f998SYi Kong         IF( SNAMET.EQ.SNAMES( I ) )
188*1858f998SYi Kong     $      GO TO 50
189*1858f998SYi Kong   40 CONTINUE
190*1858f998SYi Kong      WRITE( NOUT, FMT = 9990 )SNAMET
191*1858f998SYi Kong      STOP
192*1858f998SYi Kong   50 LTEST( I ) = LTESTT
193*1858f998SYi Kong      GO TO 30
194*1858f998SYi Kong*
195*1858f998SYi Kong   60 CONTINUE
196*1858f998SYi Kong      CLOSE ( NIN )
197*1858f998SYi Kong*
198*1858f998SYi Kong*     Compute EPS (the machine precision).
199*1858f998SYi Kong*
200*1858f998SYi Kong      EPS = ONE
201*1858f998SYi Kong   70 CONTINUE
202*1858f998SYi Kong      IF( SDIFF( ONE + EPS, ONE ).EQ.ZERO )
203*1858f998SYi Kong     $   GO TO 80
204*1858f998SYi Kong      EPS = HALF*EPS
205*1858f998SYi Kong      GO TO 70
206*1858f998SYi Kong   80 CONTINUE
207*1858f998SYi Kong      EPS = EPS + EPS
208*1858f998SYi Kong      WRITE( NOUT, FMT = 9998 )EPS
209*1858f998SYi Kong*
210*1858f998SYi Kong*     Check the reliability of SMMCH using exact data.
211*1858f998SYi Kong*
212*1858f998SYi Kong      N = MIN( 32, NMAX )
213*1858f998SYi Kong      DO 100 J = 1, N
214*1858f998SYi Kong         DO 90 I = 1, N
215*1858f998SYi Kong            AB( I, J ) = MAX( I - J + 1, 0 )
216*1858f998SYi Kong   90    CONTINUE
217*1858f998SYi Kong         AB( J, NMAX + 1 ) = J
218*1858f998SYi Kong         AB( 1, NMAX + J ) = J
219*1858f998SYi Kong         C( J, 1 ) = ZERO
220*1858f998SYi Kong  100 CONTINUE
221*1858f998SYi Kong      DO 110 J = 1, N
222*1858f998SYi Kong         CC( J ) = J*( ( J + 1 )*J )/2 - ( ( J + 1 )*J*( J - 1 ) )/3
223*1858f998SYi Kong  110 CONTINUE
224*1858f998SYi Kong*     CC holds the exact result. On exit from SMMCH CT holds
225*1858f998SYi Kong*     the result computed by SMMCH.
226*1858f998SYi Kong      TRANSA = 'N'
227*1858f998SYi Kong      TRANSB = 'N'
228*1858f998SYi Kong      CALL SMMCH( TRANSA, TRANSB, N, 1, N, ONE, AB, NMAX,
229*1858f998SYi Kong     $            AB( 1, NMAX + 1 ), NMAX, ZERO, C, NMAX, CT, G, CC,
230*1858f998SYi Kong     $            NMAX, EPS, ERR, FATAL, NOUT, .TRUE. )
231*1858f998SYi Kong      SAME = LSE( CC, CT, N )
232*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.ZERO )THEN
233*1858f998SYi Kong         WRITE( NOUT, FMT = 9989 )TRANSA, TRANSB, SAME, ERR
234*1858f998SYi Kong         STOP
235*1858f998SYi Kong      END IF
236*1858f998SYi Kong      TRANSB = 'T'
237*1858f998SYi Kong      CALL SMMCH( TRANSA, TRANSB, N, 1, N, ONE, AB, NMAX,
238*1858f998SYi Kong     $            AB( 1, NMAX + 1 ), NMAX, ZERO, C, NMAX, CT, G, CC,
239*1858f998SYi Kong     $            NMAX, EPS, ERR, FATAL, NOUT, .TRUE. )
240*1858f998SYi Kong      SAME = LSE( CC, CT, N )
241*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.ZERO )THEN
242*1858f998SYi Kong         WRITE( NOUT, FMT = 9989 )TRANSA, TRANSB, SAME, ERR
243*1858f998SYi Kong         STOP
244*1858f998SYi Kong      END IF
245*1858f998SYi Kong      DO 120 J = 1, N
246*1858f998SYi Kong         AB( J, NMAX + 1 ) = N - J + 1
247*1858f998SYi Kong         AB( 1, NMAX + J ) = N - J + 1
248*1858f998SYi Kong  120 CONTINUE
249*1858f998SYi Kong      DO 130 J = 1, N
250*1858f998SYi Kong         CC( N - J + 1 ) = J*( ( J + 1 )*J )/2 -
251*1858f998SYi Kong     $                     ( ( J + 1 )*J*( J - 1 ) )/3
252*1858f998SYi Kong  130 CONTINUE
253*1858f998SYi Kong      TRANSA = 'T'
254*1858f998SYi Kong      TRANSB = 'N'
255*1858f998SYi Kong      CALL SMMCH( TRANSA, TRANSB, N, 1, N, ONE, AB, NMAX,
256*1858f998SYi Kong     $            AB( 1, NMAX + 1 ), NMAX, ZERO, C, NMAX, CT, G, CC,
257*1858f998SYi Kong     $            NMAX, EPS, ERR, FATAL, NOUT, .TRUE. )
258*1858f998SYi Kong      SAME = LSE( CC, CT, N )
259*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.ZERO )THEN
260*1858f998SYi Kong         WRITE( NOUT, FMT = 9989 )TRANSA, TRANSB, SAME, ERR
261*1858f998SYi Kong         STOP
262*1858f998SYi Kong      END IF
263*1858f998SYi Kong      TRANSB = 'T'
264*1858f998SYi Kong      CALL SMMCH( TRANSA, TRANSB, N, 1, N, ONE, AB, NMAX,
265*1858f998SYi Kong     $            AB( 1, NMAX + 1 ), NMAX, ZERO, C, NMAX, CT, G, CC,
266*1858f998SYi Kong     $            NMAX, EPS, ERR, FATAL, NOUT, .TRUE. )
267*1858f998SYi Kong      SAME = LSE( CC, CT, N )
268*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.ZERO )THEN
269*1858f998SYi Kong         WRITE( NOUT, FMT = 9989 )TRANSA, TRANSB, SAME, ERR
270*1858f998SYi Kong         STOP
271*1858f998SYi Kong      END IF
272*1858f998SYi Kong*
273*1858f998SYi Kong*     Test each subroutine in turn.
274*1858f998SYi Kong*
275*1858f998SYi Kong      DO 200 ISNUM = 1, NSUBS
276*1858f998SYi Kong         WRITE( NOUT, FMT = * )
277*1858f998SYi Kong         IF( .NOT.LTEST( ISNUM ) )THEN
278*1858f998SYi Kong*           Subprogram is not to be tested.
279*1858f998SYi Kong            WRITE( NOUT, FMT = 9987 )SNAMES( ISNUM )
280*1858f998SYi Kong         ELSE
281*1858f998SYi Kong            SRNAMT = SNAMES( ISNUM )
282*1858f998SYi Kong*           Test error exits.
283*1858f998SYi Kong            IF( TSTERR )THEN
284*1858f998SYi Kong               CALL CS3CHKE( SNAMES( ISNUM ) )
285*1858f998SYi Kong               WRITE( NOUT, FMT = * )
286*1858f998SYi Kong            END IF
287*1858f998SYi Kong*           Test computations.
288*1858f998SYi Kong            INFOT = 0
289*1858f998SYi Kong            OK = .TRUE.
290*1858f998SYi Kong            FATAL = .FALSE.
291*1858f998SYi Kong            GO TO ( 140, 150, 160, 160, 170, 180 )ISNUM
292*1858f998SYi Kong*           Test SGEMM, 01.
293*1858f998SYi Kong  140       IF (CORDER) THEN
294*1858f998SYi Kong            CALL SCHK1( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
295*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
296*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
297*1858f998SYi Kong     $                  CC, CS, CT, G, 0 )
298*1858f998SYi Kong            END IF
299*1858f998SYi Kong            IF (RORDER) THEN
300*1858f998SYi Kong            CALL SCHK1( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
301*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
302*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
303*1858f998SYi Kong     $                  CC, CS, CT, G, 1 )
304*1858f998SYi Kong            END IF
305*1858f998SYi Kong            GO TO 190
306*1858f998SYi Kong*           Test SSYMM, 02.
307*1858f998SYi Kong  150       IF (CORDER) THEN
308*1858f998SYi Kong            CALL SCHK2( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
309*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
310*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
311*1858f998SYi Kong     $                  CC, CS, CT, G, 0 )
312*1858f998SYi Kong            END IF
313*1858f998SYi Kong            IF (RORDER) THEN
314*1858f998SYi Kong            CALL SCHK2( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
315*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
316*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
317*1858f998SYi Kong     $                  CC, CS, CT, G, 1 )
318*1858f998SYi Kong            END IF
319*1858f998SYi Kong            GO TO 190
320*1858f998SYi Kong*           Test STRMM, 03, STRSM, 04.
321*1858f998SYi Kong  160       IF (CORDER) THEN
322*1858f998SYi Kong            CALL SCHK3( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
323*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NMAX, AB,
324*1858f998SYi Kong     $                  AA, AS, AB( 1, NMAX + 1 ), BB, BS, CT, G, C,
325*1858f998SYi Kong     $                  0 )
326*1858f998SYi Kong            END IF
327*1858f998SYi Kong            IF (RORDER) THEN
328*1858f998SYi Kong            CALL SCHK3( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
329*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NMAX, AB,
330*1858f998SYi Kong     $                  AA, AS, AB( 1, NMAX + 1 ), BB, BS, CT, G, C,
331*1858f998SYi Kong     $                  1 )
332*1858f998SYi Kong            END IF
333*1858f998SYi Kong            GO TO 190
334*1858f998SYi Kong*           Test SSYRK, 05.
335*1858f998SYi Kong  170       IF (CORDER) THEN
336*1858f998SYi Kong            CALL SCHK4( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
337*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
338*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
339*1858f998SYi Kong     $                  CC, CS, CT, G, 0 )
340*1858f998SYi Kong            END IF
341*1858f998SYi Kong            IF (RORDER) THEN
342*1858f998SYi Kong            CALL SCHK4( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
343*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
344*1858f998SYi Kong     $                  NMAX, AB, AA, AS, AB( 1, NMAX + 1 ), BB, BS, C,
345*1858f998SYi Kong     $                  CC, CS, CT, G, 1 )
346*1858f998SYi Kong            END IF
347*1858f998SYi Kong            GO TO 190
348*1858f998SYi Kong*           Test SSYR2K, 06.
349*1858f998SYi Kong  180       IF (CORDER) THEN
350*1858f998SYi Kong            CALL SCHK5( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
351*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
352*1858f998SYi Kong     $                  NMAX, AB, AA, AS, BB, BS, C, CC, CS, CT, G, W,
353*1858f998SYi Kong     $                  0 )
354*1858f998SYi Kong            END IF
355*1858f998SYi Kong            IF (RORDER) THEN
356*1858f998SYi Kong            CALL SCHK5( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
357*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET,
358*1858f998SYi Kong     $                  NMAX, AB, AA, AS, BB, BS, C, CC, CS, CT, G, W,
359*1858f998SYi Kong     $                  1 )
360*1858f998SYi Kong            END IF
361*1858f998SYi Kong            GO TO 190
362*1858f998SYi Kong*
363*1858f998SYi Kong  190       IF( FATAL.AND.SFATAL )
364*1858f998SYi Kong     $         GO TO 210
365*1858f998SYi Kong         END IF
366*1858f998SYi Kong  200 CONTINUE
367*1858f998SYi Kong      WRITE( NOUT, FMT = 9986 )
368*1858f998SYi Kong      GO TO 230
369*1858f998SYi Kong*
370*1858f998SYi Kong  210 CONTINUE
371*1858f998SYi Kong      WRITE( NOUT, FMT = 9985 )
372*1858f998SYi Kong      GO TO 230
373*1858f998SYi Kong*
374*1858f998SYi Kong  220 CONTINUE
375*1858f998SYi Kong      WRITE( NOUT, FMT = 9991 )
376*1858f998SYi Kong*
377*1858f998SYi Kong  230 CONTINUE
378*1858f998SYi Kong      IF( TRACE )
379*1858f998SYi Kong     $   CLOSE ( NTRA )
380*1858f998SYi Kong      CLOSE ( NOUT )
381*1858f998SYi Kong      STOP
382*1858f998SYi Kong*
383*1858f998SYi Kong10002 FORMAT( ' COLUMN-MAJOR AND ROW-MAJOR DATA LAYOUTS ARE TESTED' )
384*1858f998SYi Kong10001 FORMAT( ' ROW-MAJOR DATA LAYOUT IS TESTED' )
385*1858f998SYi Kong10000 FORMAT( ' COLUMN-MAJOR DATA LAYOUT IS TESTED' )
386*1858f998SYi Kong 9999 FORMAT( ' ROUTINES PASS COMPUTATIONAL TESTS IF TEST RATIO IS LES',
387*1858f998SYi Kong     $      'S THAN', F8.2 )
388*1858f998SYi Kong 9998 FORMAT( ' RELATIVE MACHINE PRECISION IS TAKEN TO BE', 1P, E9.1 )
389*1858f998SYi Kong 9997 FORMAT( ' NUMBER OF VALUES OF ', A, ' IS LESS THAN 1 OR GREATER ',
390*1858f998SYi Kong     $      'THAN ', I2 )
391*1858f998SYi Kong 9996 FORMAT( ' VALUE OF N IS LESS THAN 0 OR GREATER THAN ', I2 )
392*1858f998SYi Kong 9995 FORMAT( ' TESTS OF THE REAL             LEVEL 3 BLAS', //' THE F',
393*1858f998SYi Kong     $      'OLLOWING PARAMETER VALUES WILL BE USED:' )
394*1858f998SYi Kong 9994 FORMAT( '   FOR N              ', 9I6 )
395*1858f998SYi Kong 9993 FORMAT( '   FOR ALPHA          ', 7F6.1 )
396*1858f998SYi Kong 9992 FORMAT( '   FOR BETA           ', 7F6.1 )
397*1858f998SYi Kong 9991 FORMAT( ' AMEND DATA FILE OR INCREASE ARRAY SIZES IN PROGRAM',
398*1858f998SYi Kong     $      /' ******* TESTS ABANDONED *******' )
399*1858f998SYi Kong 9990 FORMAT( ' SUBPROGRAM NAME ', A12,' NOT RECOGNIZED', /' ******* ',
400*1858f998SYi Kong     $      'TESTS ABANDONED *******' )
401*1858f998SYi Kong 9989 FORMAT( ' ERROR IN SMMCH -  IN-LINE DOT PRODUCTS ARE BEING EVALU',
402*1858f998SYi Kong     $      'ATED WRONGLY.', /' SMMCH WAS CALLED WITH TRANSA = ', A1,
403*1858f998SYi Kong     $      ' AND TRANSB = ', A1, /' AND RETURNED SAME = ', L1, ' AND ',
404*1858f998SYi Kong     $      'ERR = ', F12.3, '.', /' THIS MAY BE DUE TO FAULTS IN THE ',
405*1858f998SYi Kong     $      'ARITHMETIC OR THE COMPILER.', /' ******* TESTS ABANDONED ',
406*1858f998SYi Kong     $      '*******' )
407*1858f998SYi Kong 9988 FORMAT( A12,L2 )
408*1858f998SYi Kong 9987 FORMAT( 1X, A12,' WAS NOT TESTED' )
409*1858f998SYi Kong 9986 FORMAT( /' END OF TESTS' )
410*1858f998SYi Kong 9985 FORMAT( /' ******* FATAL ERROR - TESTS ABANDONED *******' )
411*1858f998SYi Kong 9984 FORMAT( ' ERROR-EXITS WILL NOT BE TESTED' )
412*1858f998SYi Kong*
413*1858f998SYi Kong*     End of SBLAT3.
414*1858f998SYi Kong*
415*1858f998SYi Kong      END
416*1858f998SYi Kong      SUBROUTINE SCHK1( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
417*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
418*1858f998SYi Kong     $                  A, AA, AS, B, BB, BS, C, CC, CS, CT, G,
419*1858f998SYi Kong     $                  IORDER )
420*1858f998SYi Kong*
421*1858f998SYi Kong*  Tests SGEMM.
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      REAL               ZERO
433*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0 )
434*1858f998SYi Kong*     .. Scalar Arguments ..
435*1858f998SYi Kong      REAL               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      REAL               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      REAL               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            LSE, LSERES
458*1858f998SYi Kong      EXTERNAL           LSE, LSERES
459*1858f998SYi Kong*     .. External Subroutines ..
460*1858f998SYi Kong      EXTERNAL           CSGEMM, SMAKE, SMMCH
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 SMAKE( '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 SMAKE( '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 SMAKE( '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 SPRCN1(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 CSGEMM( 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 ) = LSE( AS, AA, LAA )
610*1858f998SYi Kong                           ISAME( 8 ) = LDAS.EQ.LDA
611*1858f998SYi Kong                           ISAME( 9 ) = LSE( 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 ) = LSE( CS, CC, LCC )
616*1858f998SYi Kong                           ELSE
617*1858f998SYi Kong                              ISAME( 12 ) = LSERES( '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+1
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 SMMCH( 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 SPRCN1(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 SCHK1.
704*1858f998SYi Kong*
705*1858f998SYi Kong      END
706*1858f998SYi Kong*
707*1858f998SYi Kong*
708*1858f998SYi Kong*
709*1858f998SYi Kong      SUBROUTINE SPRCN1(NOUT, NC, SNAME, IORDER, TRANSA, TRANSB, M, N,
710*1858f998SYi Kong     $                 K, ALPHA, LDA, LDB, BETA, LDC)
711*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, M, N, K, LDA, LDB, LDC
712*1858f998SYi Kong      REAL             ALPHA, BETA
713*1858f998SYi Kong      CHARACTER*1      TRANSA, TRANSB
714*1858f998SYi Kong      CHARACTER*12     SNAME
715*1858f998SYi Kong      CHARACTER*14     CRC, CTA,CTB
716*1858f998SYi Kong
717*1858f998SYi Kong      IF (TRANSA.EQ.'N')THEN
718*1858f998SYi Kong         CTA = '  CblasNoTrans'
719*1858f998SYi Kong      ELSE IF (TRANSA.EQ.'T')THEN
720*1858f998SYi Kong         CTA = '    CblasTrans'
721*1858f998SYi Kong      ELSE
722*1858f998SYi Kong         CTA = 'CblasConjTrans'
723*1858f998SYi Kong      END IF
724*1858f998SYi Kong      IF (TRANSB.EQ.'N')THEN
725*1858f998SYi Kong         CTB = '  CblasNoTrans'
726*1858f998SYi Kong      ELSE IF (TRANSB.EQ.'T')THEN
727*1858f998SYi Kong         CTB = '    CblasTrans'
728*1858f998SYi Kong      ELSE
729*1858f998SYi Kong         CTB = 'CblasConjTrans'
730*1858f998SYi Kong      END IF
731*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
732*1858f998SYi Kong         CRC = ' CblasRowMajor'
733*1858f998SYi Kong      ELSE
734*1858f998SYi Kong         CRC = ' CblasColMajor'
735*1858f998SYi Kong      END IF
736*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC,SNAME,CRC, CTA,CTB
737*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)M, N, K, ALPHA, LDA, LDB, BETA, LDC
738*1858f998SYi Kong
739*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', A14, ',', A14, ',', A14, ',')
740*1858f998SYi Kong 9994 FORMAT( 20X, 3( I3, ',' ), F4.1, ', A,', I3, ', B,', I3, ',',
741*1858f998SYi Kong     $ F4.1, ', ', 'C,', I3, ').' )
742*1858f998SYi Kong      END
743*1858f998SYi Kong*
744*1858f998SYi Kong      SUBROUTINE SCHK2( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
745*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
746*1858f998SYi Kong     $                  A, AA, AS, B, BB, BS, C, CC, CS, CT, G,
747*1858f998SYi Kong     $                  IORDER )
748*1858f998SYi Kong*
749*1858f998SYi Kong*  Tests SSYMM.
750*1858f998SYi Kong*
751*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
752*1858f998SYi Kong*
753*1858f998SYi Kong*  -- Written on 8-February-1989.
754*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
755*1858f998SYi Kong*     Iain Duff, AERE Harwell.
756*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
757*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
758*1858f998SYi Kong*
759*1858f998SYi Kong*     .. Parameters ..
760*1858f998SYi Kong      REAL               ZERO
761*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0 )
762*1858f998SYi Kong*     .. Scalar Arguments ..
763*1858f998SYi Kong      REAL               EPS, THRESH
764*1858f998SYi Kong      INTEGER            NALF, NBET, NIDIM, NMAX, NOUT, NTRA, IORDER
765*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
766*1858f998SYi Kong      CHARACTER*12        SNAME
767*1858f998SYi Kong*     .. Array Arguments ..
768*1858f998SYi Kong      REAL               A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
769*1858f998SYi Kong     $                   AS( NMAX*NMAX ), B( NMAX, NMAX ),
770*1858f998SYi Kong     $                   BB( NMAX*NMAX ), BET( NBET ), BS( NMAX*NMAX ),
771*1858f998SYi Kong     $                   C( NMAX, NMAX ), CC( NMAX*NMAX ),
772*1858f998SYi Kong     $                   CS( NMAX*NMAX ), CT( NMAX ), G( NMAX )
773*1858f998SYi Kong      INTEGER            IDIM( NIDIM )
774*1858f998SYi Kong*     .. Local Scalars ..
775*1858f998SYi Kong      REAL               ALPHA, ALS, BETA, BLS, ERR, ERRMAX
776*1858f998SYi Kong      INTEGER            I, IA, IB, ICS, ICU, IM, IN, LAA, LBB, LCC,
777*1858f998SYi Kong     $                   LDA, LDAS, LDB, LDBS, LDC, LDCS, M, MS, N, NA,
778*1858f998SYi Kong     $                   NARGS, NC, NS
779*1858f998SYi Kong      LOGICAL            LEFT, NULL, RESET, SAME
780*1858f998SYi Kong      CHARACTER*1        SIDE, SIDES, UPLO, UPLOS
781*1858f998SYi Kong      CHARACTER*2        ICHS, ICHU
782*1858f998SYi Kong*     .. Local Arrays ..
783*1858f998SYi Kong      LOGICAL            ISAME( 13 )
784*1858f998SYi Kong*     .. External Functions ..
785*1858f998SYi Kong      LOGICAL            LSE, LSERES
786*1858f998SYi Kong      EXTERNAL           LSE, LSERES
787*1858f998SYi Kong*     .. External Subroutines ..
788*1858f998SYi Kong      EXTERNAL           SMAKE, SMMCH, CSSYMM
789*1858f998SYi Kong*     .. Intrinsic Functions ..
790*1858f998SYi Kong      INTRINSIC          MAX
791*1858f998SYi Kong*     .. Scalars in Common ..
792*1858f998SYi Kong      INTEGER            INFOT, NOUTC
793*1858f998SYi Kong      LOGICAL            OK
794*1858f998SYi Kong*     .. Common blocks ..
795*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
796*1858f998SYi Kong*     .. Data statements ..
797*1858f998SYi Kong      DATA               ICHS/'LR'/, ICHU/'UL'/
798*1858f998SYi Kong*     .. Executable Statements ..
799*1858f998SYi Kong*
800*1858f998SYi Kong      NARGS = 12
801*1858f998SYi Kong      NC = 0
802*1858f998SYi Kong      RESET = .TRUE.
803*1858f998SYi Kong      ERRMAX = ZERO
804*1858f998SYi Kong*
805*1858f998SYi Kong      DO 100 IM = 1, NIDIM
806*1858f998SYi Kong         M = IDIM( IM )
807*1858f998SYi Kong*
808*1858f998SYi Kong         DO 90 IN = 1, NIDIM
809*1858f998SYi Kong            N = IDIM( IN )
810*1858f998SYi Kong*           Set LDC to 1 more than minimum value if room.
811*1858f998SYi Kong            LDC = M
812*1858f998SYi Kong            IF( LDC.LT.NMAX )
813*1858f998SYi Kong     $         LDC = LDC + 1
814*1858f998SYi Kong*           Skip tests if not enough room.
815*1858f998SYi Kong            IF( LDC.GT.NMAX )
816*1858f998SYi Kong     $         GO TO 90
817*1858f998SYi Kong            LCC = LDC*N
818*1858f998SYi Kong            NULL = N.LE.0.OR.M.LE.0
819*1858f998SYi Kong*
820*1858f998SYi Kong*           Set LDB to 1 more than minimum value if room.
821*1858f998SYi Kong            LDB = M
822*1858f998SYi Kong            IF( LDB.LT.NMAX )
823*1858f998SYi Kong     $         LDB = LDB + 1
824*1858f998SYi Kong*           Skip tests if not enough room.
825*1858f998SYi Kong            IF( LDB.GT.NMAX )
826*1858f998SYi Kong     $         GO TO 90
827*1858f998SYi Kong            LBB = LDB*N
828*1858f998SYi Kong*
829*1858f998SYi Kong*           Generate the matrix B.
830*1858f998SYi Kong*
831*1858f998SYi Kong            CALL SMAKE( 'GE', ' ', ' ', M, N, B, NMAX, BB, LDB, RESET,
832*1858f998SYi Kong     $                  ZERO )
833*1858f998SYi Kong*
834*1858f998SYi Kong            DO 80 ICS = 1, 2
835*1858f998SYi Kong               SIDE = ICHS( ICS: ICS )
836*1858f998SYi Kong               LEFT = SIDE.EQ.'L'
837*1858f998SYi Kong*
838*1858f998SYi Kong               IF( LEFT )THEN
839*1858f998SYi Kong                  NA = M
840*1858f998SYi Kong               ELSE
841*1858f998SYi Kong                  NA = N
842*1858f998SYi Kong               END IF
843*1858f998SYi Kong*              Set LDA to 1 more than minimum value if room.
844*1858f998SYi Kong               LDA = NA
845*1858f998SYi Kong               IF( LDA.LT.NMAX )
846*1858f998SYi Kong     $            LDA = LDA + 1
847*1858f998SYi Kong*              Skip tests if not enough room.
848*1858f998SYi Kong               IF( LDA.GT.NMAX )
849*1858f998SYi Kong     $            GO TO 80
850*1858f998SYi Kong               LAA = LDA*NA
851*1858f998SYi Kong*
852*1858f998SYi Kong               DO 70 ICU = 1, 2
853*1858f998SYi Kong                  UPLO = ICHU( ICU: ICU )
854*1858f998SYi Kong*
855*1858f998SYi Kong*                 Generate the symmetric matrix A.
856*1858f998SYi Kong*
857*1858f998SYi Kong                  CALL SMAKE( 'SY', UPLO, ' ', NA, NA, A, NMAX, AA, LDA,
858*1858f998SYi Kong     $                        RESET, ZERO )
859*1858f998SYi Kong*
860*1858f998SYi Kong                  DO 60 IA = 1, NALF
861*1858f998SYi Kong                     ALPHA = ALF( IA )
862*1858f998SYi Kong*
863*1858f998SYi Kong                     DO 50 IB = 1, NBET
864*1858f998SYi Kong                        BETA = BET( IB )
865*1858f998SYi Kong*
866*1858f998SYi Kong*                       Generate the matrix C.
867*1858f998SYi Kong*
868*1858f998SYi Kong                        CALL SMAKE( 'GE', ' ', ' ', M, N, C, NMAX, CC,
869*1858f998SYi Kong     $                              LDC, RESET, ZERO )
870*1858f998SYi Kong*
871*1858f998SYi Kong                        NC = NC + 1
872*1858f998SYi Kong*
873*1858f998SYi Kong*                       Save every datum before calling the
874*1858f998SYi Kong*                       subroutine.
875*1858f998SYi Kong*
876*1858f998SYi Kong                        SIDES = SIDE
877*1858f998SYi Kong                        UPLOS = UPLO
878*1858f998SYi Kong                        MS = M
879*1858f998SYi Kong                        NS = N
880*1858f998SYi Kong                        ALS = ALPHA
881*1858f998SYi Kong                        DO 10 I = 1, LAA
882*1858f998SYi Kong                           AS( I ) = AA( I )
883*1858f998SYi Kong   10                   CONTINUE
884*1858f998SYi Kong                        LDAS = LDA
885*1858f998SYi Kong                        DO 20 I = 1, LBB
886*1858f998SYi Kong                           BS( I ) = BB( I )
887*1858f998SYi Kong   20                   CONTINUE
888*1858f998SYi Kong                        LDBS = LDB
889*1858f998SYi Kong                        BLS = BETA
890*1858f998SYi Kong                        DO 30 I = 1, LCC
891*1858f998SYi Kong                           CS( I ) = CC( I )
892*1858f998SYi Kong   30                   CONTINUE
893*1858f998SYi Kong                        LDCS = LDC
894*1858f998SYi Kong*
895*1858f998SYi Kong*                       Call the subroutine.
896*1858f998SYi Kong*
897*1858f998SYi Kong                        IF( TRACE )
898*1858f998SYi Kong     $                      CALL SPRCN2(NTRA, NC, SNAME, IORDER,
899*1858f998SYi Kong     $                      SIDE, UPLO, M, N, ALPHA, LDA, LDB,
900*1858f998SYi Kong     $                      BETA, LDC)
901*1858f998SYi Kong                        IF( REWI )
902*1858f998SYi Kong     $                     REWIND NTRA
903*1858f998SYi Kong                        CALL CSSYMM( IORDER, SIDE, UPLO, M, N, ALPHA,
904*1858f998SYi Kong     $                              AA, LDA, BB, LDB, BETA, CC, LDC )
905*1858f998SYi Kong*
906*1858f998SYi Kong*                       Check if error-exit was taken incorrectly.
907*1858f998SYi Kong*
908*1858f998SYi Kong                        IF( .NOT.OK )THEN
909*1858f998SYi Kong                           WRITE( NOUT, FMT = 9994 )
910*1858f998SYi Kong                           FATAL = .TRUE.
911*1858f998SYi Kong                           GO TO 110
912*1858f998SYi Kong                        END IF
913*1858f998SYi Kong*
914*1858f998SYi Kong*                       See what data changed inside subroutines.
915*1858f998SYi Kong*
916*1858f998SYi Kong                        ISAME( 1 ) = SIDES.EQ.SIDE
917*1858f998SYi Kong                        ISAME( 2 ) = UPLOS.EQ.UPLO
918*1858f998SYi Kong                        ISAME( 3 ) = MS.EQ.M
919*1858f998SYi Kong                        ISAME( 4 ) = NS.EQ.N
920*1858f998SYi Kong                        ISAME( 5 ) = ALS.EQ.ALPHA
921*1858f998SYi Kong                        ISAME( 6 ) = LSE( AS, AA, LAA )
922*1858f998SYi Kong                        ISAME( 7 ) = LDAS.EQ.LDA
923*1858f998SYi Kong                        ISAME( 8 ) = LSE( BS, BB, LBB )
924*1858f998SYi Kong                        ISAME( 9 ) = LDBS.EQ.LDB
925*1858f998SYi Kong                        ISAME( 10 ) = BLS.EQ.BETA
926*1858f998SYi Kong                        IF( NULL )THEN
927*1858f998SYi Kong                           ISAME( 11 ) = LSE( CS, CC, LCC )
928*1858f998SYi Kong                        ELSE
929*1858f998SYi Kong                           ISAME( 11 ) = LSERES( 'GE', ' ', M, N, CS,
930*1858f998SYi Kong     $                                   CC, LDC )
931*1858f998SYi Kong                        END IF
932*1858f998SYi Kong                        ISAME( 12 ) = LDCS.EQ.LDC
933*1858f998SYi Kong*
934*1858f998SYi Kong*                       If data was incorrectly changed, report and
935*1858f998SYi Kong*                       return.
936*1858f998SYi Kong*
937*1858f998SYi Kong                        SAME = .TRUE.
938*1858f998SYi Kong                        DO 40 I = 1, NARGS
939*1858f998SYi Kong                           SAME = SAME.AND.ISAME( I )
940*1858f998SYi Kong                           IF( .NOT.ISAME( I ) )
941*1858f998SYi Kong     $                        WRITE( NOUT, FMT = 9998 )I+1
942*1858f998SYi Kong   40                   CONTINUE
943*1858f998SYi Kong                        IF( .NOT.SAME )THEN
944*1858f998SYi Kong                           FATAL = .TRUE.
945*1858f998SYi Kong                           GO TO 110
946*1858f998SYi Kong                        END IF
947*1858f998SYi Kong*
948*1858f998SYi Kong                        IF( .NOT.NULL )THEN
949*1858f998SYi Kong*
950*1858f998SYi Kong*                          Check the result.
951*1858f998SYi Kong*
952*1858f998SYi Kong                           IF( LEFT )THEN
953*1858f998SYi Kong                              CALL SMMCH( 'N', 'N', M, N, M, ALPHA, A,
954*1858f998SYi Kong     $                                    NMAX, B, NMAX, BETA, C, NMAX,
955*1858f998SYi Kong     $                                    CT, G, CC, LDC, EPS, ERR,
956*1858f998SYi Kong     $                                    FATAL, NOUT, .TRUE. )
957*1858f998SYi Kong                           ELSE
958*1858f998SYi Kong                              CALL SMMCH( 'N', 'N', M, N, N, ALPHA, B,
959*1858f998SYi Kong     $                                    NMAX, A, NMAX, BETA, C, NMAX,
960*1858f998SYi Kong     $                                    CT, G, CC, LDC, EPS, ERR,
961*1858f998SYi Kong     $                                    FATAL, NOUT, .TRUE. )
962*1858f998SYi Kong                           END IF
963*1858f998SYi Kong                           ERRMAX = MAX( ERRMAX, ERR )
964*1858f998SYi Kong*                          If got really bad answer, report and
965*1858f998SYi Kong*                          return.
966*1858f998SYi Kong                           IF( FATAL )
967*1858f998SYi Kong     $                        GO TO 110
968*1858f998SYi Kong                        END IF
969*1858f998SYi Kong*
970*1858f998SYi Kong   50                CONTINUE
971*1858f998SYi Kong*
972*1858f998SYi Kong   60             CONTINUE
973*1858f998SYi Kong*
974*1858f998SYi Kong   70          CONTINUE
975*1858f998SYi Kong*
976*1858f998SYi Kong   80       CONTINUE
977*1858f998SYi Kong*
978*1858f998SYi Kong   90    CONTINUE
979*1858f998SYi Kong*
980*1858f998SYi Kong  100 CONTINUE
981*1858f998SYi Kong*
982*1858f998SYi Kong*     Report result.
983*1858f998SYi Kong*
984*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
985*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10000 )SNAME, NC
986*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10001 )SNAME, NC
987*1858f998SYi Kong      ELSE
988*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10002 )SNAME, NC, ERRMAX
989*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10003 )SNAME, NC, ERRMAX
990*1858f998SYi Kong      END IF
991*1858f998SYi Kong      GO TO 120
992*1858f998SYi Kong*
993*1858f998SYi Kong  110 CONTINUE
994*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
995*1858f998SYi Kong      CALL SPRCN2(NOUT, NC, SNAME, IORDER, SIDE, UPLO, M, N, ALPHA, LDA,
996*1858f998SYi Kong     $           LDB, BETA, LDC)
997*1858f998SYi Kong*
998*1858f998SYi Kong  120 CONTINUE
999*1858f998SYi Kong      RETURN
1000*1858f998SYi Kong*
1001*1858f998SYi Kong10003 FORMAT( ' ', A12,' COMPLETED THE ROW-MAJOR    COMPUTATIONAL ',
1002*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1003*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1004*1858f998SYi Kong10002 FORMAT( ' ', A12,' COMPLETED THE COLUMN-MAJOR COMPUTATIONAL ',
1005*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1006*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1007*1858f998SYi Kong10001 FORMAT( ' ', A12,' PASSED THE ROW-MAJOR    COMPUTATIONAL TESTS',
1008*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1009*1858f998SYi Kong10000 FORMAT( ' ', A12,' PASSED THE COLUMN-MAJOR COMPUTATIONAL TESTS',
1010*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1011*1858f998SYi Kong 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
1012*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
1013*1858f998SYi Kong 9996 FORMAT( ' ******* ', A12,' FAILED ON CALL NUMBER:' )
1014*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', 2( '''', A1, ''',' ), 2( I3, ',' ),
1015*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B,', I3, ',', F4.1, ', C,', I3, ')   ',
1016*1858f998SYi Kong     $      ' .' )
1017*1858f998SYi Kong 9994 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
1018*1858f998SYi Kong     $      '******' )
1019*1858f998SYi Kong*
1020*1858f998SYi Kong*     End of SCHK2.
1021*1858f998SYi Kong*
1022*1858f998SYi Kong      END
1023*1858f998SYi Kong*
1024*1858f998SYi Kong      SUBROUTINE SPRCN2(NOUT, NC, SNAME, IORDER, SIDE, UPLO, M, N,
1025*1858f998SYi Kong     $                 ALPHA, LDA, LDB, BETA, LDC)
1026*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, M, N, LDA, LDB, LDC
1027*1858f998SYi Kong      REAL             ALPHA, BETA
1028*1858f998SYi Kong      CHARACTER*1      SIDE, UPLO
1029*1858f998SYi Kong      CHARACTER*12     SNAME
1030*1858f998SYi Kong      CHARACTER*14     CRC, CS,CU
1031*1858f998SYi Kong
1032*1858f998SYi Kong      IF (SIDE.EQ.'L')THEN
1033*1858f998SYi Kong         CS = '     CblasLeft'
1034*1858f998SYi Kong      ELSE
1035*1858f998SYi Kong         CS = '    CblasRight'
1036*1858f998SYi Kong      END IF
1037*1858f998SYi Kong      IF (UPLO.EQ.'U')THEN
1038*1858f998SYi Kong         CU = '    CblasUpper'
1039*1858f998SYi Kong      ELSE
1040*1858f998SYi Kong         CU = '    CblasLower'
1041*1858f998SYi Kong      END IF
1042*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
1043*1858f998SYi Kong         CRC = ' CblasRowMajor'
1044*1858f998SYi Kong      ELSE
1045*1858f998SYi Kong         CRC = ' CblasColMajor'
1046*1858f998SYi Kong      END IF
1047*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC,SNAME,CRC, CS,CU
1048*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)M, N, ALPHA, LDA, LDB, BETA, LDC
1049*1858f998SYi Kong
1050*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', A14, ',', A14, ',', A14, ',')
1051*1858f998SYi Kong 9994 FORMAT( 20X, 2( I3, ',' ), F4.1, ', A,', I3, ', B,', I3, ',',
1052*1858f998SYi Kong     $ F4.1, ', ', 'C,', I3, ').' )
1053*1858f998SYi Kong      END
1054*1858f998SYi Kong*
1055*1858f998SYi Kong      SUBROUTINE SCHK3( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
1056*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NMAX, A, AA, AS,
1057*1858f998SYi Kong     $                  B, BB, BS, CT, G, C, IORDER )
1058*1858f998SYi Kong*
1059*1858f998SYi Kong*  Tests STRMM and STRSM.
1060*1858f998SYi Kong*
1061*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
1062*1858f998SYi Kong*
1063*1858f998SYi Kong*  -- Written on 8-February-1989.
1064*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
1065*1858f998SYi Kong*     Iain Duff, AERE Harwell.
1066*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
1067*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
1068*1858f998SYi Kong*
1069*1858f998SYi Kong*     .. Parameters ..
1070*1858f998SYi Kong      REAL               ZERO, ONE
1071*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0, ONE = 1.0 )
1072*1858f998SYi Kong*     .. Scalar Arguments ..
1073*1858f998SYi Kong      REAL               EPS, THRESH
1074*1858f998SYi Kong      INTEGER            NALF, NIDIM, NMAX, NOUT, NTRA, IORDER
1075*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
1076*1858f998SYi Kong      CHARACTER*12        SNAME
1077*1858f998SYi Kong*     .. Array Arguments ..
1078*1858f998SYi Kong      REAL               A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
1079*1858f998SYi Kong     $                   AS( NMAX*NMAX ), B( NMAX, NMAX ),
1080*1858f998SYi Kong     $                   BB( NMAX*NMAX ), BS( NMAX*NMAX ),
1081*1858f998SYi Kong     $                   C( NMAX, NMAX ), CT( NMAX ), G( NMAX )
1082*1858f998SYi Kong      INTEGER            IDIM( NIDIM )
1083*1858f998SYi Kong*     .. Local Scalars ..
1084*1858f998SYi Kong      REAL               ALPHA, ALS, ERR, ERRMAX
1085*1858f998SYi Kong      INTEGER            I, IA, ICD, ICS, ICT, ICU, IM, IN, J, LAA, LBB,
1086*1858f998SYi Kong     $                   LDA, LDAS, LDB, LDBS, M, MS, N, NA, NARGS, NC,
1087*1858f998SYi Kong     $                   NS
1088*1858f998SYi Kong      LOGICAL            LEFT, NULL, RESET, SAME
1089*1858f998SYi Kong      CHARACTER*1        DIAG, DIAGS, SIDE, SIDES, TRANAS, TRANSA, UPLO,
1090*1858f998SYi Kong     $                   UPLOS
1091*1858f998SYi Kong      CHARACTER*2        ICHD, ICHS, ICHU
1092*1858f998SYi Kong      CHARACTER*3        ICHT
1093*1858f998SYi Kong*     .. Local Arrays ..
1094*1858f998SYi Kong      LOGICAL            ISAME( 13 )
1095*1858f998SYi Kong*     .. External Functions ..
1096*1858f998SYi Kong      LOGICAL            LSE, LSERES
1097*1858f998SYi Kong      EXTERNAL           LSE, LSERES
1098*1858f998SYi Kong*     .. External Subroutines ..
1099*1858f998SYi Kong      EXTERNAL           SMAKE, SMMCH, CSTRMM, CSTRSM
1100*1858f998SYi Kong*     .. Intrinsic Functions ..
1101*1858f998SYi Kong      INTRINSIC          MAX
1102*1858f998SYi Kong*     .. Scalars in Common ..
1103*1858f998SYi Kong      INTEGER            INFOT, NOUTC
1104*1858f998SYi Kong      LOGICAL            OK
1105*1858f998SYi Kong*     .. Common blocks ..
1106*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
1107*1858f998SYi Kong*     .. Data statements ..
1108*1858f998SYi Kong      DATA               ICHU/'UL'/, ICHT/'NTC'/, ICHD/'UN'/, ICHS/'LR'/
1109*1858f998SYi Kong*     .. Executable Statements ..
1110*1858f998SYi Kong*
1111*1858f998SYi Kong      NARGS = 11
1112*1858f998SYi Kong      NC = 0
1113*1858f998SYi Kong      RESET = .TRUE.
1114*1858f998SYi Kong      ERRMAX = ZERO
1115*1858f998SYi Kong*     Set up zero matrix for SMMCH.
1116*1858f998SYi Kong      DO 20 J = 1, NMAX
1117*1858f998SYi Kong         DO 10 I = 1, NMAX
1118*1858f998SYi Kong            C( I, J ) = ZERO
1119*1858f998SYi Kong   10    CONTINUE
1120*1858f998SYi Kong   20 CONTINUE
1121*1858f998SYi Kong*
1122*1858f998SYi Kong      DO 140 IM = 1, NIDIM
1123*1858f998SYi Kong         M = IDIM( IM )
1124*1858f998SYi Kong*
1125*1858f998SYi Kong         DO 130 IN = 1, NIDIM
1126*1858f998SYi Kong            N = IDIM( IN )
1127*1858f998SYi Kong*           Set LDB to 1 more than minimum value if room.
1128*1858f998SYi Kong            LDB = M
1129*1858f998SYi Kong            IF( LDB.LT.NMAX )
1130*1858f998SYi Kong     $         LDB = LDB + 1
1131*1858f998SYi Kong*           Skip tests if not enough room.
1132*1858f998SYi Kong            IF( LDB.GT.NMAX )
1133*1858f998SYi Kong     $         GO TO 130
1134*1858f998SYi Kong            LBB = LDB*N
1135*1858f998SYi Kong            NULL = M.LE.0.OR.N.LE.0
1136*1858f998SYi Kong*
1137*1858f998SYi Kong            DO 120 ICS = 1, 2
1138*1858f998SYi Kong               SIDE = ICHS( ICS: ICS )
1139*1858f998SYi Kong               LEFT = SIDE.EQ.'L'
1140*1858f998SYi Kong               IF( LEFT )THEN
1141*1858f998SYi Kong                  NA = M
1142*1858f998SYi Kong               ELSE
1143*1858f998SYi Kong                  NA = N
1144*1858f998SYi Kong               END IF
1145*1858f998SYi Kong*              Set LDA to 1 more than minimum value if room.
1146*1858f998SYi Kong               LDA = NA
1147*1858f998SYi Kong               IF( LDA.LT.NMAX )
1148*1858f998SYi Kong     $            LDA = LDA + 1
1149*1858f998SYi Kong*              Skip tests if not enough room.
1150*1858f998SYi Kong               IF( LDA.GT.NMAX )
1151*1858f998SYi Kong     $            GO TO 130
1152*1858f998SYi Kong               LAA = LDA*NA
1153*1858f998SYi Kong*
1154*1858f998SYi Kong               DO 110 ICU = 1, 2
1155*1858f998SYi Kong                  UPLO = ICHU( ICU: ICU )
1156*1858f998SYi Kong*
1157*1858f998SYi Kong                  DO 100 ICT = 1, 3
1158*1858f998SYi Kong                     TRANSA = ICHT( ICT: ICT )
1159*1858f998SYi Kong*
1160*1858f998SYi Kong                     DO 90 ICD = 1, 2
1161*1858f998SYi Kong                        DIAG = ICHD( ICD: ICD )
1162*1858f998SYi Kong*
1163*1858f998SYi Kong                        DO 80 IA = 1, NALF
1164*1858f998SYi Kong                           ALPHA = ALF( IA )
1165*1858f998SYi Kong*
1166*1858f998SYi Kong*                          Generate the matrix A.
1167*1858f998SYi Kong*
1168*1858f998SYi Kong                           CALL SMAKE( 'TR', UPLO, DIAG, NA, NA, A,
1169*1858f998SYi Kong     $                                 NMAX, AA, LDA, RESET, ZERO )
1170*1858f998SYi Kong*
1171*1858f998SYi Kong*                          Generate the matrix B.
1172*1858f998SYi Kong*
1173*1858f998SYi Kong                           CALL SMAKE( 'GE', ' ', ' ', M, N, B, NMAX,
1174*1858f998SYi Kong     $                                 BB, LDB, RESET, ZERO )
1175*1858f998SYi Kong*
1176*1858f998SYi Kong                           NC = NC + 1
1177*1858f998SYi Kong*
1178*1858f998SYi Kong*                          Save every datum before calling the
1179*1858f998SYi Kong*                          subroutine.
1180*1858f998SYi Kong*
1181*1858f998SYi Kong                           SIDES = SIDE
1182*1858f998SYi Kong                           UPLOS = UPLO
1183*1858f998SYi Kong                           TRANAS = TRANSA
1184*1858f998SYi Kong                           DIAGS = DIAG
1185*1858f998SYi Kong                           MS = M
1186*1858f998SYi Kong                           NS = N
1187*1858f998SYi Kong                           ALS = ALPHA
1188*1858f998SYi Kong                           DO 30 I = 1, LAA
1189*1858f998SYi Kong                              AS( I ) = AA( I )
1190*1858f998SYi Kong   30                      CONTINUE
1191*1858f998SYi Kong                           LDAS = LDA
1192*1858f998SYi Kong                           DO 40 I = 1, LBB
1193*1858f998SYi Kong                              BS( I ) = BB( I )
1194*1858f998SYi Kong   40                      CONTINUE
1195*1858f998SYi Kong                           LDBS = LDB
1196*1858f998SYi Kong*
1197*1858f998SYi Kong*                          Call the subroutine.
1198*1858f998SYi Kong*
1199*1858f998SYi Kong                           IF( SNAME( 10: 11 ).EQ.'mm' )THEN
1200*1858f998SYi Kong                              IF( TRACE )
1201*1858f998SYi Kong     $                           CALL SPRCN3( NTRA, NC, SNAME, IORDER,
1202*1858f998SYi Kong     $                           SIDE, UPLO, TRANSA, DIAG, M, N, ALPHA,
1203*1858f998SYi Kong     $                           LDA, LDB)
1204*1858f998SYi Kong                              IF( REWI )
1205*1858f998SYi Kong     $                           REWIND NTRA
1206*1858f998SYi Kong                              CALL CSTRMM( IORDER, SIDE, UPLO, TRANSA,
1207*1858f998SYi Kong     $                                    DIAG, M, N, ALPHA, AA, LDA,
1208*1858f998SYi Kong     $                                    BB, LDB )
1209*1858f998SYi Kong                           ELSE IF( SNAME( 10: 11 ).EQ.'sm' )THEN
1210*1858f998SYi Kong                              IF( TRACE )
1211*1858f998SYi Kong     $                           CALL SPRCN3( NTRA, NC, SNAME, IORDER,
1212*1858f998SYi Kong     $                           SIDE, UPLO, TRANSA, DIAG, M, N, ALPHA,
1213*1858f998SYi Kong     $                           LDA, LDB)
1214*1858f998SYi Kong                              IF( REWI )
1215*1858f998SYi Kong     $                           REWIND NTRA
1216*1858f998SYi Kong                              CALL CSTRSM( IORDER, SIDE, UPLO, TRANSA,
1217*1858f998SYi Kong     $                                    DIAG, M, N, ALPHA, AA, LDA,
1218*1858f998SYi Kong     $                                    BB, LDB )
1219*1858f998SYi Kong                           END IF
1220*1858f998SYi Kong*
1221*1858f998SYi Kong*                          Check if error-exit was taken incorrectly.
1222*1858f998SYi Kong*
1223*1858f998SYi Kong                           IF( .NOT.OK )THEN
1224*1858f998SYi Kong                              WRITE( NOUT, FMT = 9994 )
1225*1858f998SYi Kong                              FATAL = .TRUE.
1226*1858f998SYi Kong                              GO TO 150
1227*1858f998SYi Kong                           END IF
1228*1858f998SYi Kong*
1229*1858f998SYi Kong*                          See what data changed inside subroutines.
1230*1858f998SYi Kong*
1231*1858f998SYi Kong                           ISAME( 1 ) = SIDES.EQ.SIDE
1232*1858f998SYi Kong                           ISAME( 2 ) = UPLOS.EQ.UPLO
1233*1858f998SYi Kong                           ISAME( 3 ) = TRANAS.EQ.TRANSA
1234*1858f998SYi Kong                           ISAME( 4 ) = DIAGS.EQ.DIAG
1235*1858f998SYi Kong                           ISAME( 5 ) = MS.EQ.M
1236*1858f998SYi Kong                           ISAME( 6 ) = NS.EQ.N
1237*1858f998SYi Kong                           ISAME( 7 ) = ALS.EQ.ALPHA
1238*1858f998SYi Kong                           ISAME( 8 ) = LSE( AS, AA, LAA )
1239*1858f998SYi Kong                           ISAME( 9 ) = LDAS.EQ.LDA
1240*1858f998SYi Kong                           IF( NULL )THEN
1241*1858f998SYi Kong                              ISAME( 10 ) = LSE( BS, BB, LBB )
1242*1858f998SYi Kong                           ELSE
1243*1858f998SYi Kong                              ISAME( 10 ) = LSERES( 'GE', ' ', M, N, BS,
1244*1858f998SYi Kong     $                                      BB, LDB )
1245*1858f998SYi Kong                           END IF
1246*1858f998SYi Kong                           ISAME( 11 ) = LDBS.EQ.LDB
1247*1858f998SYi Kong*
1248*1858f998SYi Kong*                          If data was incorrectly changed, report and
1249*1858f998SYi Kong*                          return.
1250*1858f998SYi Kong*
1251*1858f998SYi Kong                           SAME = .TRUE.
1252*1858f998SYi Kong                           DO 50 I = 1, NARGS
1253*1858f998SYi Kong                              SAME = SAME.AND.ISAME( I )
1254*1858f998SYi Kong                              IF( .NOT.ISAME( I ) )
1255*1858f998SYi Kong     $                           WRITE( NOUT, FMT = 9998 )I+1
1256*1858f998SYi Kong   50                      CONTINUE
1257*1858f998SYi Kong                           IF( .NOT.SAME )THEN
1258*1858f998SYi Kong                              FATAL = .TRUE.
1259*1858f998SYi Kong                              GO TO 150
1260*1858f998SYi Kong                           END IF
1261*1858f998SYi Kong*
1262*1858f998SYi Kong                           IF( .NOT.NULL )THEN
1263*1858f998SYi Kong                              IF( SNAME( 10: 11 ).EQ.'mm' )THEN
1264*1858f998SYi Kong*
1265*1858f998SYi Kong*                                Check the result.
1266*1858f998SYi Kong*
1267*1858f998SYi Kong                                 IF( LEFT )THEN
1268*1858f998SYi Kong                                    CALL SMMCH( TRANSA, 'N', M, N, M,
1269*1858f998SYi Kong     $                                          ALPHA, A, NMAX, B, NMAX,
1270*1858f998SYi Kong     $                                          ZERO, C, NMAX, CT, G,
1271*1858f998SYi Kong     $                                          BB, LDB, EPS, ERR,
1272*1858f998SYi Kong     $                                          FATAL, NOUT, .TRUE. )
1273*1858f998SYi Kong                                 ELSE
1274*1858f998SYi Kong                                    CALL SMMCH( 'N', TRANSA, M, N, N,
1275*1858f998SYi Kong     $                                          ALPHA, B, NMAX, A, NMAX,
1276*1858f998SYi Kong     $                                          ZERO, C, NMAX, CT, G,
1277*1858f998SYi Kong     $                                          BB, LDB, EPS, ERR,
1278*1858f998SYi Kong     $                                          FATAL, NOUT, .TRUE. )
1279*1858f998SYi Kong                                 END IF
1280*1858f998SYi Kong                              ELSE IF( SNAME( 10: 11 ).EQ.'sm' )THEN
1281*1858f998SYi Kong*
1282*1858f998SYi Kong*                                Compute approximation to original
1283*1858f998SYi Kong*                                matrix.
1284*1858f998SYi Kong*
1285*1858f998SYi Kong                                 DO 70 J = 1, N
1286*1858f998SYi Kong                                    DO 60 I = 1, M
1287*1858f998SYi Kong                                       C( I, J ) = BB( I + ( J - 1 )*
1288*1858f998SYi Kong     $                                             LDB )
1289*1858f998SYi Kong                                       BB( I + ( J - 1 )*LDB ) = ALPHA*
1290*1858f998SYi Kong     $                                    B( I, J )
1291*1858f998SYi Kong   60                               CONTINUE
1292*1858f998SYi Kong   70                            CONTINUE
1293*1858f998SYi Kong*
1294*1858f998SYi Kong                                 IF( LEFT )THEN
1295*1858f998SYi Kong                                    CALL SMMCH( TRANSA, 'N', M, N, M,
1296*1858f998SYi Kong     $                                          ONE, A, NMAX, C, NMAX,
1297*1858f998SYi Kong     $                                          ZERO, B, NMAX, CT, G,
1298*1858f998SYi Kong     $                                          BB, LDB, EPS, ERR,
1299*1858f998SYi Kong     $                                          FATAL, NOUT, .FALSE. )
1300*1858f998SYi Kong                                 ELSE
1301*1858f998SYi Kong                                    CALL SMMCH( 'N', TRANSA, M, N, N,
1302*1858f998SYi Kong     $                                          ONE, C, NMAX, A, NMAX,
1303*1858f998SYi Kong     $                                          ZERO, B, NMAX, CT, G,
1304*1858f998SYi Kong     $                                          BB, LDB, EPS, ERR,
1305*1858f998SYi Kong     $                                          FATAL, NOUT, .FALSE. )
1306*1858f998SYi Kong                                 END IF
1307*1858f998SYi Kong                              END IF
1308*1858f998SYi Kong                              ERRMAX = MAX( ERRMAX, ERR )
1309*1858f998SYi Kong*                             If got really bad answer, report and
1310*1858f998SYi Kong*                             return.
1311*1858f998SYi Kong                              IF( FATAL )
1312*1858f998SYi Kong     $                           GO TO 150
1313*1858f998SYi Kong                           END IF
1314*1858f998SYi Kong*
1315*1858f998SYi Kong   80                   CONTINUE
1316*1858f998SYi Kong*
1317*1858f998SYi Kong   90                CONTINUE
1318*1858f998SYi Kong*
1319*1858f998SYi Kong  100             CONTINUE
1320*1858f998SYi Kong*
1321*1858f998SYi Kong  110          CONTINUE
1322*1858f998SYi Kong*
1323*1858f998SYi Kong  120       CONTINUE
1324*1858f998SYi Kong*
1325*1858f998SYi Kong  130    CONTINUE
1326*1858f998SYi Kong*
1327*1858f998SYi Kong  140 CONTINUE
1328*1858f998SYi Kong*
1329*1858f998SYi Kong*     Report result.
1330*1858f998SYi Kong*
1331*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
1332*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10000 )SNAME, NC
1333*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10001 )SNAME, NC
1334*1858f998SYi Kong      ELSE
1335*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10002 )SNAME, NC, ERRMAX
1336*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10003 )SNAME, NC, ERRMAX
1337*1858f998SYi Kong      END IF
1338*1858f998SYi Kong      GO TO 160
1339*1858f998SYi Kong*
1340*1858f998SYi Kong  150 CONTINUE
1341*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
1342*1858f998SYi Kong      CALL SPRCN3( NTRA, NC, SNAME, IORDER, SIDE, UPLO, TRANSA, DIAG,
1343*1858f998SYi Kong     $      M, N, ALPHA, LDA, LDB)
1344*1858f998SYi Kong*
1345*1858f998SYi Kong  160 CONTINUE
1346*1858f998SYi Kong      RETURN
1347*1858f998SYi Kong*
1348*1858f998SYi Kong10003 FORMAT( ' ', A12,' COMPLETED THE ROW-MAJOR    COMPUTATIONAL ',
1349*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1350*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1351*1858f998SYi Kong10002 FORMAT( ' ', A12,' COMPLETED THE COLUMN-MAJOR COMPUTATIONAL ',
1352*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1353*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1354*1858f998SYi Kong10001 FORMAT( ' ', A12,' PASSED THE ROW-MAJOR    COMPUTATIONAL TESTS',
1355*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1356*1858f998SYi Kong10000 FORMAT( ' ', A12,' PASSED THE COLUMN-MAJOR COMPUTATIONAL TESTS',
1357*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1358*1858f998SYi Kong 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
1359*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
1360*1858f998SYi Kong 9996 FORMAT( ' ******* ', A12,' FAILED ON CALL NUMBER:' )
1361*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', 4( '''', A1, ''',' ), 2( I3, ',' ),
1362*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B,', I3, ')        .' )
1363*1858f998SYi Kong 9994 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
1364*1858f998SYi Kong     $      '******' )
1365*1858f998SYi Kong*
1366*1858f998SYi Kong*     End of SCHK3.
1367*1858f998SYi Kong*
1368*1858f998SYi Kong      END
1369*1858f998SYi Kong*
1370*1858f998SYi Kong      SUBROUTINE SPRCN3(NOUT, NC, SNAME, IORDER, SIDE, UPLO, TRANSA,
1371*1858f998SYi Kong     $                 DIAG, M, N, ALPHA, LDA, LDB)
1372*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, M, N, LDA, LDB
1373*1858f998SYi Kong      REAL             ALPHA
1374*1858f998SYi Kong      CHARACTER*1      SIDE, UPLO, TRANSA, DIAG
1375*1858f998SYi Kong      CHARACTER*12     SNAME
1376*1858f998SYi Kong      CHARACTER*14     CRC, CS, CU, CA, CD
1377*1858f998SYi Kong
1378*1858f998SYi Kong      IF (SIDE.EQ.'L')THEN
1379*1858f998SYi Kong         CS = '     CblasLeft'
1380*1858f998SYi Kong      ELSE
1381*1858f998SYi Kong         CS = '    CblasRight'
1382*1858f998SYi Kong      END IF
1383*1858f998SYi Kong      IF (UPLO.EQ.'U')THEN
1384*1858f998SYi Kong         CU = '    CblasUpper'
1385*1858f998SYi Kong      ELSE
1386*1858f998SYi Kong         CU = '    CblasLower'
1387*1858f998SYi Kong      END IF
1388*1858f998SYi Kong      IF (TRANSA.EQ.'N')THEN
1389*1858f998SYi Kong         CA = '  CblasNoTrans'
1390*1858f998SYi Kong      ELSE IF (TRANSA.EQ.'T')THEN
1391*1858f998SYi Kong         CA = '    CblasTrans'
1392*1858f998SYi Kong      ELSE
1393*1858f998SYi Kong         CA = 'CblasConjTrans'
1394*1858f998SYi Kong      END IF
1395*1858f998SYi Kong      IF (DIAG.EQ.'N')THEN
1396*1858f998SYi Kong         CD = '  CblasNonUnit'
1397*1858f998SYi Kong      ELSE
1398*1858f998SYi Kong         CD = '     CblasUnit'
1399*1858f998SYi Kong      END IF
1400*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
1401*1858f998SYi Kong         CRC = 'CblasRowMajor'
1402*1858f998SYi Kong      ELSE
1403*1858f998SYi Kong         CRC = 'CblasColMajor'
1404*1858f998SYi Kong      END IF
1405*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC,SNAME,CRC, CS,CU
1406*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)CA, CD, M, N, ALPHA, LDA, LDB
1407*1858f998SYi Kong
1408*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', A14, ',', A14, ',', A14, ',')
1409*1858f998SYi Kong 9994 FORMAT( 22X, 2( A14, ',') , 2( I3, ',' ),
1410*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B,', I3, ').' )
1411*1858f998SYi Kong      END
1412*1858f998SYi Kong*
1413*1858f998SYi Kong      SUBROUTINE SCHK4( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
1414*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
1415*1858f998SYi Kong     $                  A, AA, AS, B, BB, BS, C, CC, CS, CT, G,
1416*1858f998SYi Kong     $                  IORDER )
1417*1858f998SYi Kong*
1418*1858f998SYi Kong*  Tests SSYRK.
1419*1858f998SYi Kong*
1420*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
1421*1858f998SYi Kong*
1422*1858f998SYi Kong*  -- Written on 8-February-1989.
1423*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
1424*1858f998SYi Kong*     Iain Duff, AERE Harwell.
1425*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
1426*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
1427*1858f998SYi Kong*
1428*1858f998SYi Kong*     .. Parameters ..
1429*1858f998SYi Kong      REAL               ZERO
1430*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0 )
1431*1858f998SYi Kong*     .. Scalar Arguments ..
1432*1858f998SYi Kong      REAL               EPS, THRESH
1433*1858f998SYi Kong      INTEGER            NALF, NBET, NIDIM, NMAX, NOUT, NTRA, IORDER
1434*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
1435*1858f998SYi Kong      CHARACTER*12        SNAME
1436*1858f998SYi Kong*     .. Array Arguments ..
1437*1858f998SYi Kong      REAL               A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
1438*1858f998SYi Kong     $                   AS( NMAX*NMAX ), B( NMAX, NMAX ),
1439*1858f998SYi Kong     $                   BB( NMAX*NMAX ), BET( NBET ), BS( NMAX*NMAX ),
1440*1858f998SYi Kong     $                   C( NMAX, NMAX ), CC( NMAX*NMAX ),
1441*1858f998SYi Kong     $                   CS( NMAX*NMAX ), CT( NMAX ), G( NMAX )
1442*1858f998SYi Kong      INTEGER            IDIM( NIDIM )
1443*1858f998SYi Kong*     .. Local Scalars ..
1444*1858f998SYi Kong      REAL               ALPHA, ALS, BETA, BETS, ERR, ERRMAX
1445*1858f998SYi Kong      INTEGER            I, IA, IB, ICT, ICU, IK, IN, J, JC, JJ, K, KS,
1446*1858f998SYi Kong     $                   LAA, LCC, LDA, LDAS, LDC, LDCS, LJ, MA, N, NA,
1447*1858f998SYi Kong     $                   NARGS, NC, NS
1448*1858f998SYi Kong      LOGICAL            NULL, RESET, SAME, TRAN, UPPER
1449*1858f998SYi Kong      CHARACTER*1        TRANS, TRANSS, UPLO, UPLOS
1450*1858f998SYi Kong      CHARACTER*2        ICHU
1451*1858f998SYi Kong      CHARACTER*3        ICHT
1452*1858f998SYi Kong*     .. Local Arrays ..
1453*1858f998SYi Kong      LOGICAL            ISAME( 13 )
1454*1858f998SYi Kong*     .. External Functions ..
1455*1858f998SYi Kong      LOGICAL            LSE, LSERES
1456*1858f998SYi Kong      EXTERNAL           LSE, LSERES
1457*1858f998SYi Kong*     .. External Subroutines ..
1458*1858f998SYi Kong      EXTERNAL           SMAKE, SMMCH, CSSYRK
1459*1858f998SYi Kong*     .. Intrinsic Functions ..
1460*1858f998SYi Kong      INTRINSIC          MAX
1461*1858f998SYi Kong*     .. Scalars in Common ..
1462*1858f998SYi Kong      INTEGER            INFOT, NOUTC
1463*1858f998SYi Kong      LOGICAL            OK
1464*1858f998SYi Kong*     .. Common blocks ..
1465*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
1466*1858f998SYi Kong*     .. Data statements ..
1467*1858f998SYi Kong      DATA               ICHT/'NTC'/, ICHU/'UL'/
1468*1858f998SYi Kong*     .. Executable Statements ..
1469*1858f998SYi Kong*
1470*1858f998SYi Kong      NARGS = 10
1471*1858f998SYi Kong      NC = 0
1472*1858f998SYi Kong      RESET = .TRUE.
1473*1858f998SYi Kong      ERRMAX = ZERO
1474*1858f998SYi Kong*
1475*1858f998SYi Kong      DO 100 IN = 1, NIDIM
1476*1858f998SYi Kong         N = IDIM( IN )
1477*1858f998SYi Kong*        Set LDC to 1 more than minimum value if room.
1478*1858f998SYi Kong         LDC = N
1479*1858f998SYi Kong         IF( LDC.LT.NMAX )
1480*1858f998SYi Kong     $      LDC = LDC + 1
1481*1858f998SYi Kong*        Skip tests if not enough room.
1482*1858f998SYi Kong         IF( LDC.GT.NMAX )
1483*1858f998SYi Kong     $      GO TO 100
1484*1858f998SYi Kong         LCC = LDC*N
1485*1858f998SYi Kong         NULL = N.LE.0
1486*1858f998SYi Kong*
1487*1858f998SYi Kong         DO 90 IK = 1, NIDIM
1488*1858f998SYi Kong            K = IDIM( IK )
1489*1858f998SYi Kong*
1490*1858f998SYi Kong            DO 80 ICT = 1, 3
1491*1858f998SYi Kong               TRANS = ICHT( ICT: ICT )
1492*1858f998SYi Kong               TRAN = TRANS.EQ.'T'.OR.TRANS.EQ.'C'
1493*1858f998SYi Kong               IF( TRAN )THEN
1494*1858f998SYi Kong                  MA = K
1495*1858f998SYi Kong                  NA = N
1496*1858f998SYi Kong               ELSE
1497*1858f998SYi Kong                  MA = N
1498*1858f998SYi Kong                  NA = K
1499*1858f998SYi Kong               END IF
1500*1858f998SYi Kong*              Set LDA to 1 more than minimum value if room.
1501*1858f998SYi Kong               LDA = MA
1502*1858f998SYi Kong               IF( LDA.LT.NMAX )
1503*1858f998SYi Kong     $            LDA = LDA + 1
1504*1858f998SYi Kong*              Skip tests if not enough room.
1505*1858f998SYi Kong               IF( LDA.GT.NMAX )
1506*1858f998SYi Kong     $            GO TO 80
1507*1858f998SYi Kong               LAA = LDA*NA
1508*1858f998SYi Kong*
1509*1858f998SYi Kong*              Generate the matrix A.
1510*1858f998SYi Kong*
1511*1858f998SYi Kong               CALL SMAKE( 'GE', ' ', ' ', MA, NA, A, NMAX, AA, LDA,
1512*1858f998SYi Kong     $                     RESET, ZERO )
1513*1858f998SYi Kong*
1514*1858f998SYi Kong               DO 70 ICU = 1, 2
1515*1858f998SYi Kong                  UPLO = ICHU( ICU: ICU )
1516*1858f998SYi Kong                  UPPER = UPLO.EQ.'U'
1517*1858f998SYi Kong*
1518*1858f998SYi Kong                  DO 60 IA = 1, NALF
1519*1858f998SYi Kong                     ALPHA = ALF( IA )
1520*1858f998SYi Kong*
1521*1858f998SYi Kong                     DO 50 IB = 1, NBET
1522*1858f998SYi Kong                        BETA = BET( IB )
1523*1858f998SYi Kong*
1524*1858f998SYi Kong*                       Generate the matrix C.
1525*1858f998SYi Kong*
1526*1858f998SYi Kong                        CALL SMAKE( 'SY', UPLO, ' ', N, N, C, NMAX, CC,
1527*1858f998SYi Kong     $                              LDC, RESET, ZERO )
1528*1858f998SYi Kong*
1529*1858f998SYi Kong                        NC = NC + 1
1530*1858f998SYi Kong*
1531*1858f998SYi Kong*                       Save every datum before calling the subroutine.
1532*1858f998SYi Kong*
1533*1858f998SYi Kong                        UPLOS = UPLO
1534*1858f998SYi Kong                        TRANSS = TRANS
1535*1858f998SYi Kong                        NS = N
1536*1858f998SYi Kong                        KS = K
1537*1858f998SYi Kong                        ALS = ALPHA
1538*1858f998SYi Kong                        DO 10 I = 1, LAA
1539*1858f998SYi Kong                           AS( I ) = AA( I )
1540*1858f998SYi Kong   10                   CONTINUE
1541*1858f998SYi Kong                        LDAS = LDA
1542*1858f998SYi Kong                        BETS = BETA
1543*1858f998SYi Kong                        DO 20 I = 1, LCC
1544*1858f998SYi Kong                           CS( I ) = CC( I )
1545*1858f998SYi Kong   20                   CONTINUE
1546*1858f998SYi Kong                        LDCS = LDC
1547*1858f998SYi Kong*
1548*1858f998SYi Kong*                       Call the subroutine.
1549*1858f998SYi Kong*
1550*1858f998SYi Kong                        IF( TRACE )
1551*1858f998SYi Kong     $                     CALL SPRCN4( NTRA, NC, SNAME, IORDER, UPLO,
1552*1858f998SYi Kong     $                     TRANS, N, K, ALPHA, LDA, BETA, LDC)
1553*1858f998SYi Kong                        IF( REWI )
1554*1858f998SYi Kong     $                     REWIND NTRA
1555*1858f998SYi Kong                        CALL CSSYRK( IORDER, UPLO, TRANS, N, K, ALPHA,
1556*1858f998SYi Kong     $                              AA, LDA, BETA, CC, LDC )
1557*1858f998SYi Kong*
1558*1858f998SYi Kong*                       Check if error-exit was taken incorrectly.
1559*1858f998SYi Kong*
1560*1858f998SYi Kong                        IF( .NOT.OK )THEN
1561*1858f998SYi Kong                           WRITE( NOUT, FMT = 9993 )
1562*1858f998SYi Kong                           FATAL = .TRUE.
1563*1858f998SYi Kong                           GO TO 120
1564*1858f998SYi Kong                        END IF
1565*1858f998SYi Kong*
1566*1858f998SYi Kong*                       See what data changed inside subroutines.
1567*1858f998SYi Kong*
1568*1858f998SYi Kong                        ISAME( 1 ) = UPLOS.EQ.UPLO
1569*1858f998SYi Kong                        ISAME( 2 ) = TRANSS.EQ.TRANS
1570*1858f998SYi Kong                        ISAME( 3 ) = NS.EQ.N
1571*1858f998SYi Kong                        ISAME( 4 ) = KS.EQ.K
1572*1858f998SYi Kong                        ISAME( 5 ) = ALS.EQ.ALPHA
1573*1858f998SYi Kong                        ISAME( 6 ) = LSE( AS, AA, LAA )
1574*1858f998SYi Kong                        ISAME( 7 ) = LDAS.EQ.LDA
1575*1858f998SYi Kong                        ISAME( 8 ) = BETS.EQ.BETA
1576*1858f998SYi Kong                        IF( NULL )THEN
1577*1858f998SYi Kong                           ISAME( 9 ) = LSE( CS, CC, LCC )
1578*1858f998SYi Kong                        ELSE
1579*1858f998SYi Kong                           ISAME( 9 ) = LSERES( 'SY', UPLO, N, N, CS,
1580*1858f998SYi Kong     $                                  CC, LDC )
1581*1858f998SYi Kong                        END IF
1582*1858f998SYi Kong                        ISAME( 10 ) = LDCS.EQ.LDC
1583*1858f998SYi Kong*
1584*1858f998SYi Kong*                       If data was incorrectly changed, report and
1585*1858f998SYi Kong*                       return.
1586*1858f998SYi Kong*
1587*1858f998SYi Kong                        SAME = .TRUE.
1588*1858f998SYi Kong                        DO 30 I = 1, NARGS
1589*1858f998SYi Kong                           SAME = SAME.AND.ISAME( I )
1590*1858f998SYi Kong                           IF( .NOT.ISAME( I ) )
1591*1858f998SYi Kong     $                        WRITE( NOUT, FMT = 9998 )I+1
1592*1858f998SYi Kong   30                   CONTINUE
1593*1858f998SYi Kong                        IF( .NOT.SAME )THEN
1594*1858f998SYi Kong                           FATAL = .TRUE.
1595*1858f998SYi Kong                           GO TO 120
1596*1858f998SYi Kong                        END IF
1597*1858f998SYi Kong*
1598*1858f998SYi Kong                        IF( .NOT.NULL )THEN
1599*1858f998SYi Kong*
1600*1858f998SYi Kong*                          Check the result column by column.
1601*1858f998SYi Kong*
1602*1858f998SYi Kong                           JC = 1
1603*1858f998SYi Kong                           DO 40 J = 1, N
1604*1858f998SYi Kong                              IF( UPPER )THEN
1605*1858f998SYi Kong                                 JJ = 1
1606*1858f998SYi Kong                                 LJ = J
1607*1858f998SYi Kong                              ELSE
1608*1858f998SYi Kong                                 JJ = J
1609*1858f998SYi Kong                                 LJ = N - J + 1
1610*1858f998SYi Kong                              END IF
1611*1858f998SYi Kong                              IF( TRAN )THEN
1612*1858f998SYi Kong                                 CALL SMMCH( 'T', 'N', LJ, 1, K, ALPHA,
1613*1858f998SYi Kong     $                                       A( 1, JJ ), NMAX,
1614*1858f998SYi Kong     $                                       A( 1, J ), NMAX, BETA,
1615*1858f998SYi Kong     $                                       C( JJ, J ), NMAX, CT, G,
1616*1858f998SYi Kong     $                                       CC( JC ), LDC, EPS, ERR,
1617*1858f998SYi Kong     $                                       FATAL, NOUT, .TRUE. )
1618*1858f998SYi Kong                              ELSE
1619*1858f998SYi Kong                                 CALL SMMCH( 'N', 'T', LJ, 1, K, ALPHA,
1620*1858f998SYi Kong     $                                       A( JJ, 1 ), NMAX,
1621*1858f998SYi Kong     $                                       A( J, 1 ), NMAX, BETA,
1622*1858f998SYi Kong     $                                       C( JJ, J ), NMAX, CT, G,
1623*1858f998SYi Kong     $                                       CC( JC ), LDC, EPS, ERR,
1624*1858f998SYi Kong     $                                       FATAL, NOUT, .TRUE. )
1625*1858f998SYi Kong                              END IF
1626*1858f998SYi Kong                              IF( UPPER )THEN
1627*1858f998SYi Kong                                 JC = JC + LDC
1628*1858f998SYi Kong                              ELSE
1629*1858f998SYi Kong                                 JC = JC + LDC + 1
1630*1858f998SYi Kong                              END IF
1631*1858f998SYi Kong                              ERRMAX = MAX( ERRMAX, ERR )
1632*1858f998SYi Kong*                             If got really bad answer, report and
1633*1858f998SYi Kong*                             return.
1634*1858f998SYi Kong                              IF( FATAL )
1635*1858f998SYi Kong     $                           GO TO 110
1636*1858f998SYi Kong   40                      CONTINUE
1637*1858f998SYi Kong                        END IF
1638*1858f998SYi Kong*
1639*1858f998SYi Kong   50                CONTINUE
1640*1858f998SYi Kong*
1641*1858f998SYi Kong   60             CONTINUE
1642*1858f998SYi Kong*
1643*1858f998SYi Kong   70          CONTINUE
1644*1858f998SYi Kong*
1645*1858f998SYi Kong   80       CONTINUE
1646*1858f998SYi Kong*
1647*1858f998SYi Kong   90    CONTINUE
1648*1858f998SYi Kong*
1649*1858f998SYi Kong  100 CONTINUE
1650*1858f998SYi Kong*
1651*1858f998SYi Kong*     Report result.
1652*1858f998SYi Kong*
1653*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
1654*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10000 )SNAME, NC
1655*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10001 )SNAME, NC
1656*1858f998SYi Kong      ELSE
1657*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10002 )SNAME, NC, ERRMAX
1658*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10003 )SNAME, NC, ERRMAX
1659*1858f998SYi Kong      END IF
1660*1858f998SYi Kong      GO TO 130
1661*1858f998SYi Kong*
1662*1858f998SYi Kong  110 CONTINUE
1663*1858f998SYi Kong      IF( N.GT.1 )
1664*1858f998SYi Kong     $   WRITE( NOUT, FMT = 9995 )J
1665*1858f998SYi Kong*
1666*1858f998SYi Kong  120 CONTINUE
1667*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
1668*1858f998SYi Kong      CALL SPRCN4( NOUT, NC, SNAME, IORDER, UPLO, TRANS, N, K, ALPHA,
1669*1858f998SYi Kong     $   LDA, BETA, LDC)
1670*1858f998SYi Kong*
1671*1858f998SYi Kong  130 CONTINUE
1672*1858f998SYi Kong      RETURN
1673*1858f998SYi Kong*
1674*1858f998SYi Kong10003 FORMAT( ' ', A12,' COMPLETED THE ROW-MAJOR    COMPUTATIONAL ',
1675*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1676*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1677*1858f998SYi Kong10002 FORMAT( ' ', A12,' COMPLETED THE COLUMN-MAJOR COMPUTATIONAL ',
1678*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
1679*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
1680*1858f998SYi Kong10001 FORMAT( ' ', A12,' PASSED THE ROW-MAJOR    COMPUTATIONAL TESTS',
1681*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1682*1858f998SYi Kong10000 FORMAT( ' ', A12,' PASSED THE COLUMN-MAJOR COMPUTATIONAL TESTS',
1683*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
1684*1858f998SYi Kong 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
1685*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
1686*1858f998SYi Kong 9996 FORMAT( ' ******* ', A12,' FAILED ON CALL NUMBER:' )
1687*1858f998SYi Kong 9995 FORMAT( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
1688*1858f998SYi Kong 9994 FORMAT( 1X, I6, ': ', A12,'(', 2( '''', A1, ''',' ), 2( I3, ',' ),
1689*1858f998SYi Kong     $      F4.1, ', A,', I3, ',', F4.1, ', C,', I3, ')           .' )
1690*1858f998SYi Kong 9993 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
1691*1858f998SYi Kong     $      '******' )
1692*1858f998SYi Kong*
1693*1858f998SYi Kong*     End of SCHK4.
1694*1858f998SYi Kong*
1695*1858f998SYi Kong      END
1696*1858f998SYi Kong*
1697*1858f998SYi Kong      SUBROUTINE SPRCN4(NOUT, NC, SNAME, IORDER, UPLO, TRANSA,
1698*1858f998SYi Kong     $                 N, K, ALPHA, LDA, BETA, LDC)
1699*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, N, K, LDA, LDC
1700*1858f998SYi Kong      REAL             ALPHA, BETA
1701*1858f998SYi Kong      CHARACTER*1      UPLO, TRANSA
1702*1858f998SYi Kong      CHARACTER*12     SNAME
1703*1858f998SYi Kong      CHARACTER*14     CRC, CU, CA
1704*1858f998SYi Kong
1705*1858f998SYi Kong      IF (UPLO.EQ.'U')THEN
1706*1858f998SYi Kong         CU = '    CblasUpper'
1707*1858f998SYi Kong      ELSE
1708*1858f998SYi Kong         CU = '    CblasLower'
1709*1858f998SYi Kong      END IF
1710*1858f998SYi Kong      IF (TRANSA.EQ.'N')THEN
1711*1858f998SYi Kong         CA = '  CblasNoTrans'
1712*1858f998SYi Kong      ELSE IF (TRANSA.EQ.'T')THEN
1713*1858f998SYi Kong         CA = '    CblasTrans'
1714*1858f998SYi Kong      ELSE
1715*1858f998SYi Kong         CA = 'CblasConjTrans'
1716*1858f998SYi Kong      END IF
1717*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
1718*1858f998SYi Kong         CRC = ' CblasRowMajor'
1719*1858f998SYi Kong      ELSE
1720*1858f998SYi Kong         CRC = ' CblasColMajor'
1721*1858f998SYi Kong      END IF
1722*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC, SNAME, CRC, CU, CA
1723*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)N, K, ALPHA, LDA, BETA, LDC
1724*1858f998SYi Kong
1725*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', 3( A14, ',') )
1726*1858f998SYi Kong 9994 FORMAT( 20X, 2( I3, ',' ),
1727*1858f998SYi Kong     $      F4.1, ', A,', I3, ',', F4.1, ', C,', I3, ').' )
1728*1858f998SYi Kong      END
1729*1858f998SYi Kong*
1730*1858f998SYi Kong      SUBROUTINE SCHK5( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
1731*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NBET, BET, NMAX,
1732*1858f998SYi Kong     $                  AB, AA, AS, BB, BS, C, CC, CS, CT, G, W,
1733*1858f998SYi Kong     $                  IORDER )
1734*1858f998SYi Kong*
1735*1858f998SYi Kong*  Tests SSYR2K.
1736*1858f998SYi Kong*
1737*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
1738*1858f998SYi Kong*
1739*1858f998SYi Kong*  -- Written on 8-February-1989.
1740*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
1741*1858f998SYi Kong*     Iain Duff, AERE Harwell.
1742*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
1743*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
1744*1858f998SYi Kong*
1745*1858f998SYi Kong*     .. Parameters ..
1746*1858f998SYi Kong      REAL               ZERO
1747*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0 )
1748*1858f998SYi Kong*     .. Scalar Arguments ..
1749*1858f998SYi Kong      REAL               EPS, THRESH
1750*1858f998SYi Kong      INTEGER            NALF, NBET, NIDIM, NMAX, NOUT, NTRA, IORDER
1751*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
1752*1858f998SYi Kong      CHARACTER*12        SNAME
1753*1858f998SYi Kong*     .. Array Arguments ..
1754*1858f998SYi Kong      REAL               AA( NMAX*NMAX ), AB( 2*NMAX*NMAX ),
1755*1858f998SYi Kong     $                   ALF( NALF ), AS( NMAX*NMAX ), BB( NMAX*NMAX ),
1756*1858f998SYi Kong     $                   BET( NBET ), BS( NMAX*NMAX ), C( NMAX, NMAX ),
1757*1858f998SYi Kong     $                   CC( NMAX*NMAX ), CS( NMAX*NMAX ), CT( NMAX ),
1758*1858f998SYi Kong     $                   G( NMAX ), W( 2*NMAX )
1759*1858f998SYi Kong      INTEGER            IDIM( NIDIM )
1760*1858f998SYi Kong*     .. Local Scalars ..
1761*1858f998SYi Kong      REAL               ALPHA, ALS, BETA, BETS, ERR, ERRMAX
1762*1858f998SYi Kong      INTEGER            I, IA, IB, ICT, ICU, IK, IN, J, JC, JJ, JJAB,
1763*1858f998SYi Kong     $                   K, KS, LAA, LBB, LCC, LDA, LDAS, LDB, LDBS,
1764*1858f998SYi Kong     $                   LDC, LDCS, LJ, MA, N, NA, NARGS, NC, NS
1765*1858f998SYi Kong      LOGICAL            NULL, RESET, SAME, TRAN, UPPER
1766*1858f998SYi Kong      CHARACTER*1        TRANS, TRANSS, UPLO, UPLOS
1767*1858f998SYi Kong      CHARACTER*2        ICHU
1768*1858f998SYi Kong      CHARACTER*3        ICHT
1769*1858f998SYi Kong*     .. Local Arrays ..
1770*1858f998SYi Kong      LOGICAL            ISAME( 13 )
1771*1858f998SYi Kong*     .. External Functions ..
1772*1858f998SYi Kong      LOGICAL            LSE, LSERES
1773*1858f998SYi Kong      EXTERNAL           LSE, LSERES
1774*1858f998SYi Kong*     .. External Subroutines ..
1775*1858f998SYi Kong      EXTERNAL           SMAKE, SMMCH, CSSYR2K
1776*1858f998SYi Kong*     .. Intrinsic Functions ..
1777*1858f998SYi Kong      INTRINSIC          MAX
1778*1858f998SYi Kong*     .. Scalars in Common ..
1779*1858f998SYi Kong      INTEGER            INFOT, NOUTC
1780*1858f998SYi Kong      LOGICAL            OK
1781*1858f998SYi Kong*     .. Common blocks ..
1782*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
1783*1858f998SYi Kong*     .. Data statements ..
1784*1858f998SYi Kong      DATA               ICHT/'NTC'/, ICHU/'UL'/
1785*1858f998SYi Kong*     .. Executable Statements ..
1786*1858f998SYi Kong*
1787*1858f998SYi Kong      NARGS = 12
1788*1858f998SYi Kong      NC = 0
1789*1858f998SYi Kong      RESET = .TRUE.
1790*1858f998SYi Kong      ERRMAX = ZERO
1791*1858f998SYi Kong*
1792*1858f998SYi Kong      DO 130 IN = 1, NIDIM
1793*1858f998SYi Kong         N = IDIM( IN )
1794*1858f998SYi Kong*        Set LDC to 1 more than minimum value if room.
1795*1858f998SYi Kong         LDC = N
1796*1858f998SYi Kong         IF( LDC.LT.NMAX )
1797*1858f998SYi Kong     $      LDC = LDC + 1
1798*1858f998SYi Kong*        Skip tests if not enough room.
1799*1858f998SYi Kong         IF( LDC.GT.NMAX )
1800*1858f998SYi Kong     $      GO TO 130
1801*1858f998SYi Kong         LCC = LDC*N
1802*1858f998SYi Kong         NULL = N.LE.0
1803*1858f998SYi Kong*
1804*1858f998SYi Kong         DO 120 IK = 1, NIDIM
1805*1858f998SYi Kong            K = IDIM( IK )
1806*1858f998SYi Kong*
1807*1858f998SYi Kong            DO 110 ICT = 1, 3
1808*1858f998SYi Kong               TRANS = ICHT( ICT: ICT )
1809*1858f998SYi Kong               TRAN = TRANS.EQ.'T'.OR.TRANS.EQ.'C'
1810*1858f998SYi Kong               IF( TRAN )THEN
1811*1858f998SYi Kong                  MA = K
1812*1858f998SYi Kong                  NA = N
1813*1858f998SYi Kong               ELSE
1814*1858f998SYi Kong                  MA = N
1815*1858f998SYi Kong                  NA = K
1816*1858f998SYi Kong               END IF
1817*1858f998SYi Kong*              Set LDA to 1 more than minimum value if room.
1818*1858f998SYi Kong               LDA = MA
1819*1858f998SYi Kong               IF( LDA.LT.NMAX )
1820*1858f998SYi Kong     $            LDA = LDA + 1
1821*1858f998SYi Kong*              Skip tests if not enough room.
1822*1858f998SYi Kong               IF( LDA.GT.NMAX )
1823*1858f998SYi Kong     $            GO TO 110
1824*1858f998SYi Kong               LAA = LDA*NA
1825*1858f998SYi Kong*
1826*1858f998SYi Kong*              Generate the matrix A.
1827*1858f998SYi Kong*
1828*1858f998SYi Kong               IF( TRAN )THEN
1829*1858f998SYi Kong                  CALL SMAKE( 'GE', ' ', ' ', MA, NA, AB, 2*NMAX, AA,
1830*1858f998SYi Kong     $                        LDA, RESET, ZERO )
1831*1858f998SYi Kong               ELSE
1832*1858f998SYi Kong                  CALL SMAKE( 'GE', ' ', ' ', MA, NA, AB, NMAX, AA, LDA,
1833*1858f998SYi Kong     $                        RESET, ZERO )
1834*1858f998SYi Kong               END IF
1835*1858f998SYi Kong*
1836*1858f998SYi Kong*              Generate the matrix B.
1837*1858f998SYi Kong*
1838*1858f998SYi Kong               LDB = LDA
1839*1858f998SYi Kong               LBB = LAA
1840*1858f998SYi Kong               IF( TRAN )THEN
1841*1858f998SYi Kong                  CALL SMAKE( 'GE', ' ', ' ', MA, NA, AB( K + 1 ),
1842*1858f998SYi Kong     $                        2*NMAX, BB, LDB, RESET, ZERO )
1843*1858f998SYi Kong               ELSE
1844*1858f998SYi Kong                  CALL SMAKE( 'GE', ' ', ' ', MA, NA, AB( K*NMAX + 1 ),
1845*1858f998SYi Kong     $                        NMAX, BB, LDB, RESET, ZERO )
1846*1858f998SYi Kong               END IF
1847*1858f998SYi Kong*
1848*1858f998SYi Kong               DO 100 ICU = 1, 2
1849*1858f998SYi Kong                  UPLO = ICHU( ICU: ICU )
1850*1858f998SYi Kong                  UPPER = UPLO.EQ.'U'
1851*1858f998SYi Kong*
1852*1858f998SYi Kong                  DO 90 IA = 1, NALF
1853*1858f998SYi Kong                     ALPHA = ALF( IA )
1854*1858f998SYi Kong*
1855*1858f998SYi Kong                     DO 80 IB = 1, NBET
1856*1858f998SYi Kong                        BETA = BET( IB )
1857*1858f998SYi Kong*
1858*1858f998SYi Kong*                       Generate the matrix C.
1859*1858f998SYi Kong*
1860*1858f998SYi Kong                        CALL SMAKE( 'SY', UPLO, ' ', N, N, C, NMAX, CC,
1861*1858f998SYi Kong     $                              LDC, RESET, ZERO )
1862*1858f998SYi Kong*
1863*1858f998SYi Kong                        NC = NC + 1
1864*1858f998SYi Kong*
1865*1858f998SYi Kong*                       Save every datum before calling the subroutine.
1866*1858f998SYi Kong*
1867*1858f998SYi Kong                        UPLOS = UPLO
1868*1858f998SYi Kong                        TRANSS = TRANS
1869*1858f998SYi Kong                        NS = N
1870*1858f998SYi Kong                        KS = K
1871*1858f998SYi Kong                        ALS = ALPHA
1872*1858f998SYi Kong                        DO 10 I = 1, LAA
1873*1858f998SYi Kong                           AS( I ) = AA( I )
1874*1858f998SYi Kong   10                   CONTINUE
1875*1858f998SYi Kong                        LDAS = LDA
1876*1858f998SYi Kong                        DO 20 I = 1, LBB
1877*1858f998SYi Kong                           BS( I ) = BB( I )
1878*1858f998SYi Kong   20                   CONTINUE
1879*1858f998SYi Kong                        LDBS = LDB
1880*1858f998SYi Kong                        BETS = BETA
1881*1858f998SYi Kong                        DO 30 I = 1, LCC
1882*1858f998SYi Kong                           CS( I ) = CC( I )
1883*1858f998SYi Kong   30                   CONTINUE
1884*1858f998SYi Kong                        LDCS = LDC
1885*1858f998SYi Kong*
1886*1858f998SYi Kong*                       Call the subroutine.
1887*1858f998SYi Kong*
1888*1858f998SYi Kong                        IF( TRACE )
1889*1858f998SYi Kong     $                     CALL SPRCN5( NTRA, NC, SNAME, IORDER, UPLO,
1890*1858f998SYi Kong     $                     TRANS, N, K, ALPHA, LDA, LDB, BETA, LDC)
1891*1858f998SYi Kong                        IF( REWI )
1892*1858f998SYi Kong     $                     REWIND NTRA
1893*1858f998SYi Kong                        CALL CSSYR2K( IORDER, UPLO, TRANS, N, K, ALPHA,
1894*1858f998SYi Kong     $                               AA, LDA, BB, LDB, BETA, CC, LDC )
1895*1858f998SYi Kong*
1896*1858f998SYi Kong*                       Check if error-exit was taken incorrectly.
1897*1858f998SYi Kong*
1898*1858f998SYi Kong                        IF( .NOT.OK )THEN
1899*1858f998SYi Kong                           WRITE( NOUT, FMT = 9993 )
1900*1858f998SYi Kong                           FATAL = .TRUE.
1901*1858f998SYi Kong                           GO TO 150
1902*1858f998SYi Kong                        END IF
1903*1858f998SYi Kong*
1904*1858f998SYi Kong*                       See what data changed inside subroutines.
1905*1858f998SYi Kong*
1906*1858f998SYi Kong                        ISAME( 1 ) = UPLOS.EQ.UPLO
1907*1858f998SYi Kong                        ISAME( 2 ) = TRANSS.EQ.TRANS
1908*1858f998SYi Kong                        ISAME( 3 ) = NS.EQ.N
1909*1858f998SYi Kong                        ISAME( 4 ) = KS.EQ.K
1910*1858f998SYi Kong                        ISAME( 5 ) = ALS.EQ.ALPHA
1911*1858f998SYi Kong                        ISAME( 6 ) = LSE( AS, AA, LAA )
1912*1858f998SYi Kong                        ISAME( 7 ) = LDAS.EQ.LDA
1913*1858f998SYi Kong                        ISAME( 8 ) = LSE( BS, BB, LBB )
1914*1858f998SYi Kong                        ISAME( 9 ) = LDBS.EQ.LDB
1915*1858f998SYi Kong                        ISAME( 10 ) = BETS.EQ.BETA
1916*1858f998SYi Kong                        IF( NULL )THEN
1917*1858f998SYi Kong                           ISAME( 11 ) = LSE( CS, CC, LCC )
1918*1858f998SYi Kong                        ELSE
1919*1858f998SYi Kong                           ISAME( 11 ) = LSERES( 'SY', UPLO, N, N, CS,
1920*1858f998SYi Kong     $                                   CC, LDC )
1921*1858f998SYi Kong                        END IF
1922*1858f998SYi Kong                        ISAME( 12 ) = LDCS.EQ.LDC
1923*1858f998SYi Kong*
1924*1858f998SYi Kong*                       If data was incorrectly changed, report and
1925*1858f998SYi Kong*                       return.
1926*1858f998SYi Kong*
1927*1858f998SYi Kong                        SAME = .TRUE.
1928*1858f998SYi Kong                        DO 40 I = 1, NARGS
1929*1858f998SYi Kong                           SAME = SAME.AND.ISAME( I )
1930*1858f998SYi Kong                           IF( .NOT.ISAME( I ) )
1931*1858f998SYi Kong     $                        WRITE( NOUT, FMT = 9998 )I+1
1932*1858f998SYi Kong   40                   CONTINUE
1933*1858f998SYi Kong                        IF( .NOT.SAME )THEN
1934*1858f998SYi Kong                           FATAL = .TRUE.
1935*1858f998SYi Kong                           GO TO 150
1936*1858f998SYi Kong                        END IF
1937*1858f998SYi Kong*
1938*1858f998SYi Kong                        IF( .NOT.NULL )THEN
1939*1858f998SYi Kong*
1940*1858f998SYi Kong*                          Check the result column by column.
1941*1858f998SYi Kong*
1942*1858f998SYi Kong                           JJAB = 1
1943*1858f998SYi Kong                           JC = 1
1944*1858f998SYi Kong                           DO 70 J = 1, N
1945*1858f998SYi Kong                              IF( UPPER )THEN
1946*1858f998SYi Kong                                 JJ = 1
1947*1858f998SYi Kong                                 LJ = J
1948*1858f998SYi Kong                              ELSE
1949*1858f998SYi Kong                                 JJ = J
1950*1858f998SYi Kong                                 LJ = N - J + 1
1951*1858f998SYi Kong                              END IF
1952*1858f998SYi Kong                              IF( TRAN )THEN
1953*1858f998SYi Kong                                 DO 50 I = 1, K
1954*1858f998SYi Kong                                    W( I ) = AB( ( J - 1 )*2*NMAX + K +
1955*1858f998SYi Kong     $                                       I )
1956*1858f998SYi Kong                                    W( K + I ) = AB( ( J - 1 )*2*NMAX +
1957*1858f998SYi Kong     $                                           I )
1958*1858f998SYi Kong   50                            CONTINUE
1959*1858f998SYi Kong                                 CALL SMMCH( 'T', 'N', LJ, 1, 2*K,
1960*1858f998SYi Kong     $                                       ALPHA, AB( JJAB ), 2*NMAX,
1961*1858f998SYi Kong     $                                       W, 2*NMAX, BETA,
1962*1858f998SYi Kong     $                                       C( JJ, J ), NMAX, CT, G,
1963*1858f998SYi Kong     $                                       CC( JC ), LDC, EPS, ERR,
1964*1858f998SYi Kong     $                                       FATAL, NOUT, .TRUE. )
1965*1858f998SYi Kong                              ELSE
1966*1858f998SYi Kong                                 DO 60 I = 1, K
1967*1858f998SYi Kong                                    W( I ) = AB( ( K + I - 1 )*NMAX +
1968*1858f998SYi Kong     $                                       J )
1969*1858f998SYi Kong                                    W( K + I ) = AB( ( I - 1 )*NMAX +
1970*1858f998SYi Kong     $                                           J )
1971*1858f998SYi Kong   60                            CONTINUE
1972*1858f998SYi Kong                                 CALL SMMCH( 'N', 'N', LJ, 1, 2*K,
1973*1858f998SYi Kong     $                                       ALPHA, AB( JJ ), NMAX, W,
1974*1858f998SYi Kong     $                                       2*NMAX, BETA, C( JJ, J ),
1975*1858f998SYi Kong     $                                       NMAX, CT, G, CC( JC ), LDC,
1976*1858f998SYi Kong     $                                       EPS, ERR, FATAL, NOUT,
1977*1858f998SYi Kong     $                                       .TRUE. )
1978*1858f998SYi Kong                              END IF
1979*1858f998SYi Kong                              IF( UPPER )THEN
1980*1858f998SYi Kong                                 JC = JC + LDC
1981*1858f998SYi Kong                              ELSE
1982*1858f998SYi Kong                                 JC = JC + LDC + 1
1983*1858f998SYi Kong                                 IF( TRAN )
1984*1858f998SYi Kong     $                              JJAB = JJAB + 2*NMAX
1985*1858f998SYi Kong                              END IF
1986*1858f998SYi Kong                              ERRMAX = MAX( ERRMAX, ERR )
1987*1858f998SYi Kong*                             If got really bad answer, report and
1988*1858f998SYi Kong*                             return.
1989*1858f998SYi Kong                              IF( FATAL )
1990*1858f998SYi Kong     $                           GO TO 140
1991*1858f998SYi Kong   70                      CONTINUE
1992*1858f998SYi Kong                        END IF
1993*1858f998SYi Kong*
1994*1858f998SYi Kong   80                CONTINUE
1995*1858f998SYi Kong*
1996*1858f998SYi Kong   90             CONTINUE
1997*1858f998SYi Kong*
1998*1858f998SYi Kong  100          CONTINUE
1999*1858f998SYi Kong*
2000*1858f998SYi Kong  110       CONTINUE
2001*1858f998SYi Kong*
2002*1858f998SYi Kong  120    CONTINUE
2003*1858f998SYi Kong*
2004*1858f998SYi Kong  130 CONTINUE
2005*1858f998SYi Kong*
2006*1858f998SYi Kong*     Report result.
2007*1858f998SYi Kong*
2008*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
2009*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10000 )SNAME, NC
2010*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10001 )SNAME, NC
2011*1858f998SYi Kong      ELSE
2012*1858f998SYi Kong         IF ( IORDER.EQ.0) WRITE( NOUT, FMT = 10002 )SNAME, NC, ERRMAX
2013*1858f998SYi Kong         IF ( IORDER.EQ.1) WRITE( NOUT, FMT = 10003 )SNAME, NC, ERRMAX
2014*1858f998SYi Kong      END IF
2015*1858f998SYi Kong      GO TO 160
2016*1858f998SYi Kong*
2017*1858f998SYi Kong  140 CONTINUE
2018*1858f998SYi Kong      IF( N.GT.1 )
2019*1858f998SYi Kong     $   WRITE( NOUT, FMT = 9995 )J
2020*1858f998SYi Kong*
2021*1858f998SYi Kong  150 CONTINUE
2022*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
2023*1858f998SYi Kong      CALL SPRCN5( NOUT, NC, SNAME, IORDER, UPLO, TRANS, N, K, ALPHA,
2024*1858f998SYi Kong     $   LDA, LDB, BETA, LDC)
2025*1858f998SYi Kong*
2026*1858f998SYi Kong  160 CONTINUE
2027*1858f998SYi Kong      RETURN
2028*1858f998SYi Kong*
2029*1858f998SYi Kong10003 FORMAT( ' ', A12,' COMPLETED THE ROW-MAJOR    COMPUTATIONAL ',
2030*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
2031*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
2032*1858f998SYi Kong10002 FORMAT( ' ', A12,' COMPLETED THE COLUMN-MAJOR COMPUTATIONAL ',
2033*1858f998SYi Kong     $ 'TESTS (', I6, ' CALLS)', /' ******* BUT WITH MAXIMUM TEST ',
2034*1858f998SYi Kong     $ 'RATIO ', F8.2, ' - SUSPECT *******' )
2035*1858f998SYi Kong10001 FORMAT( ' ', A12,' PASSED THE ROW-MAJOR    COMPUTATIONAL TESTS',
2036*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
2037*1858f998SYi Kong10000 FORMAT( ' ', A12,' PASSED THE COLUMN-MAJOR COMPUTATIONAL TESTS',
2038*1858f998SYi Kong     $ ' (', I6, ' CALL', 'S)' )
2039*1858f998SYi Kong 9998 FORMAT( ' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
2040*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
2041*1858f998SYi Kong 9996 FORMAT( ' ******* ', A12,' FAILED ON CALL NUMBER:' )
2042*1858f998SYi Kong 9995 FORMAT( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
2043*1858f998SYi Kong 9994 FORMAT( 1X, I6, ': ', A12,'(', 2( '''', A1, ''',' ), 2( I3, ',' ),
2044*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B,', I3, ',', F4.1, ', C,', I3, ')   ',
2045*1858f998SYi Kong     $      ' .' )
2046*1858f998SYi Kong 9993 FORMAT( ' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
2047*1858f998SYi Kong     $      '******' )
2048*1858f998SYi Kong*
2049*1858f998SYi Kong*     End of SCHK5.
2050*1858f998SYi Kong*
2051*1858f998SYi Kong      END
2052*1858f998SYi Kong*
2053*1858f998SYi Kong      SUBROUTINE SPRCN5(NOUT, NC, SNAME, IORDER, UPLO, TRANSA,
2054*1858f998SYi Kong     $                 N, K, ALPHA, LDA, LDB, BETA, LDC)
2055*1858f998SYi Kong      INTEGER          NOUT, NC, IORDER, N, K, LDA, LDB, LDC
2056*1858f998SYi Kong      REAL             ALPHA, BETA
2057*1858f998SYi Kong      CHARACTER*1      UPLO, TRANSA
2058*1858f998SYi Kong      CHARACTER*12     SNAME
2059*1858f998SYi Kong      CHARACTER*14     CRC, CU, CA
2060*1858f998SYi Kong
2061*1858f998SYi Kong      IF (UPLO.EQ.'U')THEN
2062*1858f998SYi Kong         CU = '    CblasUpper'
2063*1858f998SYi Kong      ELSE
2064*1858f998SYi Kong         CU = '    CblasLower'
2065*1858f998SYi Kong      END IF
2066*1858f998SYi Kong      IF (TRANSA.EQ.'N')THEN
2067*1858f998SYi Kong         CA = '  CblasNoTrans'
2068*1858f998SYi Kong      ELSE IF (TRANSA.EQ.'T')THEN
2069*1858f998SYi Kong         CA = '    CblasTrans'
2070*1858f998SYi Kong      ELSE
2071*1858f998SYi Kong         CA = 'CblasConjTrans'
2072*1858f998SYi Kong      END IF
2073*1858f998SYi Kong      IF (IORDER.EQ.1)THEN
2074*1858f998SYi Kong         CRC = ' CblasRowMajor'
2075*1858f998SYi Kong      ELSE
2076*1858f998SYi Kong         CRC = ' CblasColMajor'
2077*1858f998SYi Kong      END IF
2078*1858f998SYi Kong      WRITE(NOUT, FMT = 9995)NC, SNAME, CRC, CU, CA
2079*1858f998SYi Kong      WRITE(NOUT, FMT = 9994)N, K, ALPHA, LDA, LDB, BETA, LDC
2080*1858f998SYi Kong
2081*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ', A12,'(', 3( A14, ',') )
2082*1858f998SYi Kong 9994 FORMAT( 20X, 2( I3, ',' ),
2083*1858f998SYi Kong     $      F4.1, ', A,', I3, ', B', I3, ',', F4.1, ', C,', I3, ').' )
2084*1858f998SYi Kong      END
2085*1858f998SYi Kong*
2086*1858f998SYi Kong      SUBROUTINE SMAKE( TYPE, UPLO, DIAG, M, N, A, NMAX, AA, LDA, RESET,
2087*1858f998SYi Kong     $                  TRANSL )
2088*1858f998SYi Kong*
2089*1858f998SYi Kong*  Generates values for an M by N matrix A.
2090*1858f998SYi Kong*  Stores the values in the array AA in the data structure required
2091*1858f998SYi Kong*  by the routine, with unwanted elements set to rogue value.
2092*1858f998SYi Kong*
2093*1858f998SYi Kong*  TYPE is 'GE', 'SY' or 'TR'.
2094*1858f998SYi Kong*
2095*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2096*1858f998SYi Kong*
2097*1858f998SYi Kong*  -- Written on 8-February-1989.
2098*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2099*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2100*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2101*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2102*1858f998SYi Kong*
2103*1858f998SYi Kong*     .. Parameters ..
2104*1858f998SYi Kong      REAL               ZERO, ONE
2105*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0, ONE = 1.0 )
2106*1858f998SYi Kong      REAL               ROGUE
2107*1858f998SYi Kong      PARAMETER          ( ROGUE = -1.0E10 )
2108*1858f998SYi Kong*     .. Scalar Arguments ..
2109*1858f998SYi Kong      REAL               TRANSL
2110*1858f998SYi Kong      INTEGER            LDA, M, N, NMAX
2111*1858f998SYi Kong      LOGICAL            RESET
2112*1858f998SYi Kong      CHARACTER*1        DIAG, UPLO
2113*1858f998SYi Kong      CHARACTER*2        TYPE
2114*1858f998SYi Kong*     .. Array Arguments ..
2115*1858f998SYi Kong      REAL               A( NMAX, * ), AA( * )
2116*1858f998SYi Kong*     .. Local Scalars ..
2117*1858f998SYi Kong      INTEGER            I, IBEG, IEND, J
2118*1858f998SYi Kong      LOGICAL            GEN, LOWER, SYM, TRI, UNIT, UPPER
2119*1858f998SYi Kong*     .. External Functions ..
2120*1858f998SYi Kong      REAL               SBEG
2121*1858f998SYi Kong      EXTERNAL           SBEG
2122*1858f998SYi Kong*     .. Executable Statements ..
2123*1858f998SYi Kong      GEN = TYPE.EQ.'GE'
2124*1858f998SYi Kong      SYM = TYPE.EQ.'SY'
2125*1858f998SYi Kong      TRI = TYPE.EQ.'TR'
2126*1858f998SYi Kong      UPPER = ( SYM.OR.TRI ).AND.UPLO.EQ.'U'
2127*1858f998SYi Kong      LOWER = ( SYM.OR.TRI ).AND.UPLO.EQ.'L'
2128*1858f998SYi Kong      UNIT = TRI.AND.DIAG.EQ.'U'
2129*1858f998SYi Kong*
2130*1858f998SYi Kong*     Generate data in array A.
2131*1858f998SYi Kong*
2132*1858f998SYi Kong      DO 20 J = 1, N
2133*1858f998SYi Kong         DO 10 I = 1, M
2134*1858f998SYi Kong            IF( GEN.OR.( UPPER.AND.I.LE.J ).OR.( LOWER.AND.I.GE.J ) )
2135*1858f998SYi Kong     $          THEN
2136*1858f998SYi Kong               A( I, J ) = SBEG( RESET ) + TRANSL
2137*1858f998SYi Kong               IF( I.NE.J )THEN
2138*1858f998SYi Kong*                 Set some elements to zero
2139*1858f998SYi Kong                  IF( N.GT.3.AND.J.EQ.N/2 )
2140*1858f998SYi Kong     $               A( I, J ) = ZERO
2141*1858f998SYi Kong                  IF( SYM )THEN
2142*1858f998SYi Kong                     A( J, I ) = A( I, J )
2143*1858f998SYi Kong                  ELSE IF( TRI )THEN
2144*1858f998SYi Kong                     A( J, I ) = ZERO
2145*1858f998SYi Kong                  END IF
2146*1858f998SYi Kong               END IF
2147*1858f998SYi Kong            END IF
2148*1858f998SYi Kong   10    CONTINUE
2149*1858f998SYi Kong         IF( TRI )
2150*1858f998SYi Kong     $      A( J, J ) = A( J, J ) + ONE
2151*1858f998SYi Kong         IF( UNIT )
2152*1858f998SYi Kong     $      A( J, J ) = ONE
2153*1858f998SYi Kong   20 CONTINUE
2154*1858f998SYi Kong*
2155*1858f998SYi Kong*     Store elements in array AS in data structure required by routine.
2156*1858f998SYi Kong*
2157*1858f998SYi Kong      IF( TYPE.EQ.'GE' )THEN
2158*1858f998SYi Kong         DO 50 J = 1, N
2159*1858f998SYi Kong            DO 30 I = 1, M
2160*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = A( I, J )
2161*1858f998SYi Kong   30       CONTINUE
2162*1858f998SYi Kong            DO 40 I = M + 1, LDA
2163*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2164*1858f998SYi Kong   40       CONTINUE
2165*1858f998SYi Kong   50    CONTINUE
2166*1858f998SYi Kong      ELSE IF( TYPE.EQ.'SY'.OR.TYPE.EQ.'TR' )THEN
2167*1858f998SYi Kong         DO 90 J = 1, N
2168*1858f998SYi Kong            IF( UPPER )THEN
2169*1858f998SYi Kong               IBEG = 1
2170*1858f998SYi Kong               IF( UNIT )THEN
2171*1858f998SYi Kong                  IEND = J - 1
2172*1858f998SYi Kong               ELSE
2173*1858f998SYi Kong                  IEND = J
2174*1858f998SYi Kong               END IF
2175*1858f998SYi Kong            ELSE
2176*1858f998SYi Kong               IF( UNIT )THEN
2177*1858f998SYi Kong                  IBEG = J + 1
2178*1858f998SYi Kong               ELSE
2179*1858f998SYi Kong                  IBEG = J
2180*1858f998SYi Kong               END IF
2181*1858f998SYi Kong               IEND = N
2182*1858f998SYi Kong            END IF
2183*1858f998SYi Kong            DO 60 I = 1, IBEG - 1
2184*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2185*1858f998SYi Kong   60       CONTINUE
2186*1858f998SYi Kong            DO 70 I = IBEG, IEND
2187*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = A( I, J )
2188*1858f998SYi Kong   70       CONTINUE
2189*1858f998SYi Kong            DO 80 I = IEND + 1, LDA
2190*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2191*1858f998SYi Kong   80       CONTINUE
2192*1858f998SYi Kong   90    CONTINUE
2193*1858f998SYi Kong      END IF
2194*1858f998SYi Kong      RETURN
2195*1858f998SYi Kong*
2196*1858f998SYi Kong*     End of SMAKE.
2197*1858f998SYi Kong*
2198*1858f998SYi Kong      END
2199*1858f998SYi Kong      SUBROUTINE SMMCH( TRANSA, TRANSB, M, N, KK, ALPHA, A, LDA, B, LDB,
2200*1858f998SYi Kong     $                  BETA, C, LDC, CT, G, CC, LDCC, EPS, ERR, FATAL,
2201*1858f998SYi Kong     $                  NOUT, MV )
2202*1858f998SYi Kong*
2203*1858f998SYi Kong*  Checks the results of the computational tests.
2204*1858f998SYi Kong*
2205*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2206*1858f998SYi Kong*
2207*1858f998SYi Kong*  -- Written on 8-February-1989.
2208*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2209*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2210*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2211*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2212*1858f998SYi Kong*
2213*1858f998SYi Kong*     .. Parameters ..
2214*1858f998SYi Kong      REAL               ZERO, ONE
2215*1858f998SYi Kong      PARAMETER          ( ZERO = 0.0, ONE = 1.0 )
2216*1858f998SYi Kong*     .. Scalar Arguments ..
2217*1858f998SYi Kong      REAL               ALPHA, BETA, EPS, ERR
2218*1858f998SYi Kong      INTEGER            KK, LDA, LDB, LDC, LDCC, M, N, NOUT
2219*1858f998SYi Kong      LOGICAL            FATAL, MV
2220*1858f998SYi Kong      CHARACTER*1        TRANSA, TRANSB
2221*1858f998SYi Kong*     .. Array Arguments ..
2222*1858f998SYi Kong      REAL               A( LDA, * ), B( LDB, * ), C( LDC, * ),
2223*1858f998SYi Kong     $                   CC( LDCC, * ), CT( * ), G( * )
2224*1858f998SYi Kong*     .. Local Scalars ..
2225*1858f998SYi Kong      REAL               ERRI
2226*1858f998SYi Kong      INTEGER            I, J, K
2227*1858f998SYi Kong      LOGICAL            TRANA, TRANB
2228*1858f998SYi Kong*     .. Intrinsic Functions ..
2229*1858f998SYi Kong      INTRINSIC          ABS, MAX, SQRT
2230*1858f998SYi Kong*     .. Executable Statements ..
2231*1858f998SYi Kong      TRANA = TRANSA.EQ.'T'.OR.TRANSA.EQ.'C'
2232*1858f998SYi Kong      TRANB = TRANSB.EQ.'T'.OR.TRANSB.EQ.'C'
2233*1858f998SYi Kong*
2234*1858f998SYi Kong*     Compute expected result, one column at a time, in CT using data
2235*1858f998SYi Kong*     in A, B and C.
2236*1858f998SYi Kong*     Compute gauges in G.
2237*1858f998SYi Kong*
2238*1858f998SYi Kong      DO 120 J = 1, N
2239*1858f998SYi Kong*
2240*1858f998SYi Kong         DO 10 I = 1, M
2241*1858f998SYi Kong            CT( I ) = ZERO
2242*1858f998SYi Kong            G( I ) = ZERO
2243*1858f998SYi Kong   10    CONTINUE
2244*1858f998SYi Kong         IF( .NOT.TRANA.AND..NOT.TRANB )THEN
2245*1858f998SYi Kong            DO 30 K = 1, KK
2246*1858f998SYi Kong               DO 20 I = 1, M
2247*1858f998SYi Kong                  CT( I ) = CT( I ) + A( I, K )*B( K, J )
2248*1858f998SYi Kong                  G( I ) = G( I ) + ABS( A( I, K ) )*ABS( B( K, J ) )
2249*1858f998SYi Kong   20          CONTINUE
2250*1858f998SYi Kong   30       CONTINUE
2251*1858f998SYi Kong         ELSE IF( TRANA.AND..NOT.TRANB )THEN
2252*1858f998SYi Kong            DO 50 K = 1, KK
2253*1858f998SYi Kong               DO 40 I = 1, M
2254*1858f998SYi Kong                  CT( I ) = CT( I ) + A( K, I )*B( K, J )
2255*1858f998SYi Kong                  G( I ) = G( I ) + ABS( A( K, I ) )*ABS( B( K, J ) )
2256*1858f998SYi Kong   40          CONTINUE
2257*1858f998SYi Kong   50       CONTINUE
2258*1858f998SYi Kong         ELSE IF( .NOT.TRANA.AND.TRANB )THEN
2259*1858f998SYi Kong            DO 70 K = 1, KK
2260*1858f998SYi Kong               DO 60 I = 1, M
2261*1858f998SYi Kong                  CT( I ) = CT( I ) + A( I, K )*B( J, K )
2262*1858f998SYi Kong                  G( I ) = G( I ) + ABS( A( I, K ) )*ABS( B( J, K ) )
2263*1858f998SYi Kong   60          CONTINUE
2264*1858f998SYi Kong   70       CONTINUE
2265*1858f998SYi Kong         ELSE IF( TRANA.AND.TRANB )THEN
2266*1858f998SYi Kong            DO 90 K = 1, KK
2267*1858f998SYi Kong               DO 80 I = 1, M
2268*1858f998SYi Kong                  CT( I ) = CT( I ) + A( K, I )*B( J, K )
2269*1858f998SYi Kong                  G( I ) = G( I ) + ABS( A( K, I ) )*ABS( B( J, K ) )
2270*1858f998SYi Kong   80          CONTINUE
2271*1858f998SYi Kong   90       CONTINUE
2272*1858f998SYi Kong         END IF
2273*1858f998SYi Kong         DO 100 I = 1, M
2274*1858f998SYi Kong            CT( I ) = ALPHA*CT( I ) + BETA*C( I, J )
2275*1858f998SYi Kong            G( I ) = ABS( ALPHA )*G( I ) + ABS( BETA )*ABS( C( I, J ) )
2276*1858f998SYi Kong  100    CONTINUE
2277*1858f998SYi Kong*
2278*1858f998SYi Kong*        Compute the error ratio for this result.
2279*1858f998SYi Kong*
2280*1858f998SYi Kong         ERR = ZERO
2281*1858f998SYi Kong         DO 110 I = 1, M
2282*1858f998SYi Kong            ERRI = ABS( CT( I ) - CC( I, J ) )/EPS
2283*1858f998SYi Kong            IF( G( I ).NE.ZERO )
2284*1858f998SYi Kong     $         ERRI = ERRI/G( I )
2285*1858f998SYi Kong            ERR = MAX( ERR, ERRI )
2286*1858f998SYi Kong            IF( ERR*SQRT( EPS ).GE.ONE )
2287*1858f998SYi Kong     $         GO TO 130
2288*1858f998SYi Kong  110    CONTINUE
2289*1858f998SYi Kong*
2290*1858f998SYi Kong  120 CONTINUE
2291*1858f998SYi Kong*
2292*1858f998SYi Kong*     If the loop completes, all results are at least half accurate.
2293*1858f998SYi Kong      GO TO 150
2294*1858f998SYi Kong*
2295*1858f998SYi Kong*     Report fatal error.
2296*1858f998SYi Kong*
2297*1858f998SYi Kong  130 FATAL = .TRUE.
2298*1858f998SYi Kong      WRITE( NOUT, FMT = 9999 )
2299*1858f998SYi Kong      DO 140 I = 1, M
2300*1858f998SYi Kong         IF( MV )THEN
2301*1858f998SYi Kong            WRITE( NOUT, FMT = 9998 )I, CT( I ), CC( I, J )
2302*1858f998SYi Kong         ELSE
2303*1858f998SYi Kong            WRITE( NOUT, FMT = 9998 )I, CC( I, J ), CT( I )
2304*1858f998SYi Kong         END IF
2305*1858f998SYi Kong  140 CONTINUE
2306*1858f998SYi Kong      IF( N.GT.1 )
2307*1858f998SYi Kong     $   WRITE( NOUT, FMT = 9997 )J
2308*1858f998SYi Kong*
2309*1858f998SYi Kong  150 CONTINUE
2310*1858f998SYi Kong      RETURN
2311*1858f998SYi Kong*
2312*1858f998SYi Kong 9999 FORMAT( ' ******* FATAL ERROR - COMPUTED RESULT IS LESS THAN HAL',
2313*1858f998SYi Kong     $      'F ACCURATE *******', /'           EXPECTED RESULT   COMPU',
2314*1858f998SYi Kong     $      'TED RESULT' )
2315*1858f998SYi Kong 9998 FORMAT( 1X, I7, 2G18.6 )
2316*1858f998SYi Kong 9997 FORMAT( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
2317*1858f998SYi Kong*
2318*1858f998SYi Kong*     End of SMMCH.
2319*1858f998SYi Kong*
2320*1858f998SYi Kong      END
2321*1858f998SYi Kong      LOGICAL FUNCTION LSE( RI, RJ, LR )
2322*1858f998SYi Kong*
2323*1858f998SYi Kong*  Tests if two arrays are identical.
2324*1858f998SYi Kong*
2325*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2326*1858f998SYi Kong*
2327*1858f998SYi Kong*  -- Written on 8-February-1989.
2328*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2329*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2330*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2331*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2332*1858f998SYi Kong*
2333*1858f998SYi Kong*     .. Scalar Arguments ..
2334*1858f998SYi Kong      INTEGER            LR
2335*1858f998SYi Kong*     .. Array Arguments ..
2336*1858f998SYi Kong      REAL               RI( * ), RJ( * )
2337*1858f998SYi Kong*     .. Local Scalars ..
2338*1858f998SYi Kong      INTEGER            I
2339*1858f998SYi Kong*     .. Executable Statements ..
2340*1858f998SYi Kong      DO 10 I = 1, LR
2341*1858f998SYi Kong         IF( RI( I ).NE.RJ( I ) )
2342*1858f998SYi Kong     $      GO TO 20
2343*1858f998SYi Kong   10 CONTINUE
2344*1858f998SYi Kong      LSE = .TRUE.
2345*1858f998SYi Kong      GO TO 30
2346*1858f998SYi Kong   20 CONTINUE
2347*1858f998SYi Kong      LSE = .FALSE.
2348*1858f998SYi Kong   30 RETURN
2349*1858f998SYi Kong*
2350*1858f998SYi Kong*     End of LSE.
2351*1858f998SYi Kong*
2352*1858f998SYi Kong      END
2353*1858f998SYi Kong      LOGICAL FUNCTION LSERES( TYPE, UPLO, M, N, AA, AS, LDA )
2354*1858f998SYi Kong*
2355*1858f998SYi Kong*  Tests if selected elements in two arrays are equal.
2356*1858f998SYi Kong*
2357*1858f998SYi Kong*  TYPE is 'GE' or 'SY'.
2358*1858f998SYi Kong*
2359*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2360*1858f998SYi Kong*
2361*1858f998SYi Kong*  -- Written on 8-February-1989.
2362*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2363*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2364*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2365*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2366*1858f998SYi Kong*
2367*1858f998SYi Kong*     .. Scalar Arguments ..
2368*1858f998SYi Kong      INTEGER            LDA, M, N
2369*1858f998SYi Kong      CHARACTER*1        UPLO
2370*1858f998SYi Kong      CHARACTER*2        TYPE
2371*1858f998SYi Kong*     .. Array Arguments ..
2372*1858f998SYi Kong      REAL               AA( LDA, * ), AS( LDA, * )
2373*1858f998SYi Kong*     .. Local Scalars ..
2374*1858f998SYi Kong      INTEGER            I, IBEG, IEND, J
2375*1858f998SYi Kong      LOGICAL            UPPER
2376*1858f998SYi Kong*     .. Executable Statements ..
2377*1858f998SYi Kong      UPPER = UPLO.EQ.'U'
2378*1858f998SYi Kong      IF( TYPE.EQ.'GE' )THEN
2379*1858f998SYi Kong         DO 20 J = 1, N
2380*1858f998SYi Kong            DO 10 I = M + 1, LDA
2381*1858f998SYi Kong               IF( AA( I, J ).NE.AS( I, J ) )
2382*1858f998SYi Kong     $            GO TO 70
2383*1858f998SYi Kong   10       CONTINUE
2384*1858f998SYi Kong   20    CONTINUE
2385*1858f998SYi Kong      ELSE IF( TYPE.EQ.'SY' )THEN
2386*1858f998SYi Kong         DO 50 J = 1, N
2387*1858f998SYi Kong            IF( UPPER )THEN
2388*1858f998SYi Kong               IBEG = 1
2389*1858f998SYi Kong               IEND = J
2390*1858f998SYi Kong            ELSE
2391*1858f998SYi Kong               IBEG = J
2392*1858f998SYi Kong               IEND = N
2393*1858f998SYi Kong            END IF
2394*1858f998SYi Kong            DO 30 I = 1, IBEG - 1
2395*1858f998SYi Kong               IF( AA( I, J ).NE.AS( I, J ) )
2396*1858f998SYi Kong     $            GO TO 70
2397*1858f998SYi Kong   30       CONTINUE
2398*1858f998SYi Kong            DO 40 I = IEND + 1, LDA
2399*1858f998SYi Kong               IF( AA( I, J ).NE.AS( I, J ) )
2400*1858f998SYi Kong     $            GO TO 70
2401*1858f998SYi Kong   40       CONTINUE
2402*1858f998SYi Kong   50    CONTINUE
2403*1858f998SYi Kong      END IF
2404*1858f998SYi Kong*
2405*1858f998SYi Kong   60 CONTINUE
2406*1858f998SYi Kong      LSERES = .TRUE.
2407*1858f998SYi Kong      GO TO 80
2408*1858f998SYi Kong   70 CONTINUE
2409*1858f998SYi Kong      LSERES = .FALSE.
2410*1858f998SYi Kong   80 RETURN
2411*1858f998SYi Kong*
2412*1858f998SYi Kong*     End of LSERES.
2413*1858f998SYi Kong*
2414*1858f998SYi Kong      END
2415*1858f998SYi Kong      REAL FUNCTION SBEG( RESET )
2416*1858f998SYi Kong*
2417*1858f998SYi Kong*  Generates random numbers uniformly distributed between -0.5 and 0.5.
2418*1858f998SYi Kong*
2419*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2420*1858f998SYi Kong*
2421*1858f998SYi Kong*  -- Written on 8-February-1989.
2422*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2423*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2424*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2425*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2426*1858f998SYi Kong*
2427*1858f998SYi Kong*     .. Scalar Arguments ..
2428*1858f998SYi Kong      LOGICAL            RESET
2429*1858f998SYi Kong*     .. Local Scalars ..
2430*1858f998SYi Kong      INTEGER            I, IC, MI
2431*1858f998SYi Kong*     .. Save statement ..
2432*1858f998SYi Kong      SAVE               I, IC, MI
2433*1858f998SYi Kong*     .. Executable Statements ..
2434*1858f998SYi Kong      IF( RESET )THEN
2435*1858f998SYi Kong*        Initialize local variables.
2436*1858f998SYi Kong         MI = 891
2437*1858f998SYi Kong         I = 7
2438*1858f998SYi Kong         IC = 0
2439*1858f998SYi Kong         RESET = .FALSE.
2440*1858f998SYi Kong      END IF
2441*1858f998SYi Kong*
2442*1858f998SYi Kong*     The sequence of values of I is bounded between 1 and 999.
2443*1858f998SYi Kong*     If initial I = 1,2,3,6,7 or 9, the period will be 50.
2444*1858f998SYi Kong*     If initial I = 4 or 8, the period will be 25.
2445*1858f998SYi Kong*     If initial I = 5, the period will be 10.
2446*1858f998SYi Kong*     IC is used to break up the period by skipping 1 value of I in 6.
2447*1858f998SYi Kong*
2448*1858f998SYi Kong      IC = IC + 1
2449*1858f998SYi Kong   10 I = I*MI
2450*1858f998SYi Kong      I = I - 1000*( I/1000 )
2451*1858f998SYi Kong      IF( IC.GE.5 )THEN
2452*1858f998SYi Kong         IC = 0
2453*1858f998SYi Kong         GO TO 10
2454*1858f998SYi Kong      END IF
2455*1858f998SYi Kong      SBEG = ( I - 500 )/1001.0
2456*1858f998SYi Kong      RETURN
2457*1858f998SYi Kong*
2458*1858f998SYi Kong*     End of SBEG.
2459*1858f998SYi Kong*
2460*1858f998SYi Kong      END
2461*1858f998SYi Kong      REAL FUNCTION SDIFF( X, Y )
2462*1858f998SYi Kong*
2463*1858f998SYi Kong*  Auxiliary routine for test program for Level 3 Blas.
2464*1858f998SYi Kong*
2465*1858f998SYi Kong*  -- Written on 8-February-1989.
2466*1858f998SYi Kong*     Jack Dongarra, Argonne National Laboratory.
2467*1858f998SYi Kong*     Iain Duff, AERE Harwell.
2468*1858f998SYi Kong*     Jeremy Du Croz, Numerical Algorithms Group Ltd.
2469*1858f998SYi Kong*     Sven Hammarling, Numerical Algorithms Group Ltd.
2470*1858f998SYi Kong*
2471*1858f998SYi Kong*     .. Scalar Arguments ..
2472*1858f998SYi Kong      REAL               X, Y
2473*1858f998SYi Kong*     .. Executable Statements ..
2474*1858f998SYi Kong      SDIFF = X - Y
2475*1858f998SYi Kong      RETURN
2476*1858f998SYi Kong*
2477*1858f998SYi Kong*     End of SDIFF.
2478*1858f998SYi Kong*
2479*1858f998SYi Kong      END
2480