xref: /aosp_15_r20/external/cblas/testing/c_zblat2.f (revision 1858f9982ea1ad57fb52080c08594e4d1cce4fa1)
1*1858f998SYi Kong      PROGRAM ZBLAT2
2*1858f998SYi Kong*
3*1858f998SYi Kong*  Test program for the COMPLEX*16          Level 2 Blas.
4*1858f998SYi Kong*
5*1858f998SYi Kong*  The program must be driven by a short data file. The first 17 records
6*1858f998SYi Kong*  of the file are read using list-directed input, the last 17 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 34 lines:
10*1858f998SYi Kong*  'CBLAT2.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*  4                 NUMBER OF VALUES OF K
20*1858f998SYi Kong*  0 1 2 4           VALUES OF K
21*1858f998SYi Kong*  4                 NUMBER OF VALUES OF INCX AND INCY
22*1858f998SYi Kong*  1 2 -1 -2         VALUES OF INCX AND INCY
23*1858f998SYi Kong*  3                 NUMBER OF VALUES OF ALPHA
24*1858f998SYi Kong*  (0.0,0.0) (1.0,0.0) (0.7,-0.9)       VALUES OF ALPHA
25*1858f998SYi Kong*  3                 NUMBER OF VALUES OF BETA
26*1858f998SYi Kong*  (0.0,0.0) (1.0,0.0) (1.3,-1.1)       VALUES OF BETA
27*1858f998SYi Kong*  cblas_zgemv  T PUT F FOR NO TEST. SAME COLUMNS.
28*1858f998SYi Kong*  cblas_zgbmv  T PUT F FOR NO TEST. SAME COLUMNS.
29*1858f998SYi Kong*  cblas_zhemv  T PUT F FOR NO TEST. SAME COLUMNS.
30*1858f998SYi Kong*  cblas_zhbmv  T PUT F FOR NO TEST. SAME COLUMNS.
31*1858f998SYi Kong*  cblas_zhpmv  T PUT F FOR NO TEST. SAME COLUMNS.
32*1858f998SYi Kong*  cblas_ztrmv  T PUT F FOR NO TEST. SAME COLUMNS.
33*1858f998SYi Kong*  cblas_ztbmv  T PUT F FOR NO TEST. SAME COLUMNS.
34*1858f998SYi Kong*  cblas_ztpmv  T PUT F FOR NO TEST. SAME COLUMNS.
35*1858f998SYi Kong*  cblas_ztrsv  T PUT F FOR NO TEST. SAME COLUMNS.
36*1858f998SYi Kong*  cblas_ztbsv  T PUT F FOR NO TEST. SAME COLUMNS.
37*1858f998SYi Kong*  cblas_ztpsv  T PUT F FOR NO TEST. SAME COLUMNS.
38*1858f998SYi Kong*  cblas_zgerc  T PUT F FOR NO TEST. SAME COLUMNS.
39*1858f998SYi Kong*  cblas_zgeru  T PUT F FOR NO TEST. SAME COLUMNS.
40*1858f998SYi Kong*  cblas_zher   T PUT F FOR NO TEST. SAME COLUMNS.
41*1858f998SYi Kong*  cblas_zhpr   T PUT F FOR NO TEST. SAME COLUMNS.
42*1858f998SYi Kong*  cblas_zher2  T PUT F FOR NO TEST. SAME COLUMNS.
43*1858f998SYi Kong*  cblas_zhpr2  T PUT F FOR NO TEST. SAME COLUMNS.
44*1858f998SYi Kong*
45*1858f998SYi Kong*     See:
46*1858f998SYi Kong*
47*1858f998SYi Kong*        Dongarra J. J., Du Croz J. J., Hammarling S.  and Hanson R. J..
48*1858f998SYi Kong*        An  extended  set of Fortran  Basic Linear Algebra Subprograms.
49*1858f998SYi Kong*
50*1858f998SYi Kong*        Technical  Memoranda  Nos. 41 (revision 3) and 81,  Mathematics
51*1858f998SYi Kong*        and  Computer Science  Division,  Argonne  National Laboratory,
52*1858f998SYi Kong*        9700 South Cass Avenue, Argonne, Illinois 60439, US.
53*1858f998SYi Kong*
54*1858f998SYi Kong*        Or
55*1858f998SYi Kong*
56*1858f998SYi Kong*        NAG  Technical Reports TR3/87 and TR4/87,  Numerical Algorithms
57*1858f998SYi Kong*        Group  Ltd.,  NAG  Central  Office,  256  Banbury  Road, Oxford
58*1858f998SYi Kong*        OX2 7DE, UK,  and  Numerical Algorithms Group Inc.,  1101  31st
59*1858f998SYi Kong*        Street,  Suite 100,  Downers Grove,  Illinois 60515-1263,  USA.
60*1858f998SYi Kong*
61*1858f998SYi Kong*
62*1858f998SYi Kong*  -- Written on 10-August-1987.
63*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
64*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
65*1858f998SYi Kong*
66*1858f998SYi Kong*     .. Parameters ..
67*1858f998SYi Kong      INTEGER            NIN, NOUT
68*1858f998SYi Kong      PARAMETER          ( NIN = 5, NOUT = 6 )
69*1858f998SYi Kong      INTEGER            NSUBS
70*1858f998SYi Kong      PARAMETER          ( NSUBS = 17 )
71*1858f998SYi Kong      COMPLEX*16         ZERO, ONE
72*1858f998SYi Kong      PARAMETER          ( ZERO = ( 0.0D0, 0.0D0 ),
73*1858f998SYi Kong     $                    ONE = ( 1.0D0, 0.0D0 ) )
74*1858f998SYi Kong      DOUBLE PRECISION   RZERO, RHALF, RONE
75*1858f998SYi Kong      PARAMETER          ( RZERO = 0.0D0, RHALF = 0.5D0, RONE = 1.0D0 )
76*1858f998SYi Kong      INTEGER            NMAX, INCMAX
77*1858f998SYi Kong      PARAMETER          ( NMAX = 65, INCMAX = 2 )
78*1858f998SYi Kong      INTEGER            NINMAX, NIDMAX, NKBMAX, NALMAX, NBEMAX
79*1858f998SYi Kong      PARAMETER          ( NINMAX = 7, NIDMAX = 9, NKBMAX = 7,
80*1858f998SYi Kong     $                   NALMAX = 7, NBEMAX = 7 )
81*1858f998SYi Kong*     .. Local Scalars ..
82*1858f998SYi Kong      DOUBLE PRECISION   EPS, ERR, THRESH
83*1858f998SYi Kong      INTEGER            I, ISNUM, J, N, NALF, NBET, NIDIM, NINC, NKB,
84*1858f998SYi Kong     $                   NTRA, LAYOUT
85*1858f998SYi Kong      LOGICAL            FATAL, LTESTT, REWI, SAME, SFATAL, TRACE,
86*1858f998SYi Kong     $                   TSTERR, CORDER, RORDER
87*1858f998SYi Kong      CHARACTER*1        TRANS
88*1858f998SYi Kong      CHARACTER*12       SNAMET
89*1858f998SYi Kong      CHARACTER*32       SNAPS
90*1858f998SYi Kong*     .. Local Arrays ..
91*1858f998SYi Kong      COMPLEX*16         A( NMAX, NMAX ), AA( NMAX*NMAX ),
92*1858f998SYi Kong     $                   ALF( NALMAX ), AS( NMAX*NMAX ), BET( NBEMAX ),
93*1858f998SYi Kong     $                   X( NMAX ), XS( NMAX*INCMAX ),
94*1858f998SYi Kong     $                   XX( NMAX*INCMAX ), Y( NMAX ),
95*1858f998SYi Kong     $                   YS( NMAX*INCMAX ), YT( NMAX ),
96*1858f998SYi Kong     $                   YY( NMAX*INCMAX ), Z( 2*NMAX )
97*1858f998SYi Kong      DOUBLE PRECISION   G( NMAX )
98*1858f998SYi Kong      INTEGER            IDIM( NIDMAX ), INC( NINMAX ), KB( NKBMAX )
99*1858f998SYi Kong      LOGICAL            LTEST( NSUBS )
100*1858f998SYi Kong      CHARACTER*12       SNAMES( NSUBS )
101*1858f998SYi Kong*     .. External Functions ..
102*1858f998SYi Kong      DOUBLE PRECISION   DDIFF
103*1858f998SYi Kong      LOGICAL            LZE
104*1858f998SYi Kong      EXTERNAL           DDIFF, LZE
105*1858f998SYi Kong*     .. External Subroutines ..
106*1858f998SYi Kong      EXTERNAL           ZCHK1, ZCHK2, ZCHK3, ZCHK4, ZCHK5, ZCHK6,
107*1858f998SYi Kong     $                   CZ2CHKE, ZMVCH
108*1858f998SYi Kong*     .. Intrinsic Functions ..
109*1858f998SYi Kong      INTRINSIC          ABS, MAX, MIN
110*1858f998SYi Kong*     .. Scalars in Common ..
111*1858f998SYi Kong      INTEGER            INFOT, NOUTC
112*1858f998SYi Kong      LOGICAL            OK
113*1858f998SYi Kong      CHARACTER*12       SRNAMT
114*1858f998SYi Kong*     .. Common blocks ..
115*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
116*1858f998SYi Kong      COMMON             /SRNAMC/SRNAMT
117*1858f998SYi Kong*     .. Data statements ..
118*1858f998SYi Kong      DATA               SNAMES/'cblas_zgemv ', 'cblas_zgbmv ',
119*1858f998SYi Kong     $                   'cblas_zhemv ','cblas_zhbmv ','cblas_zhpmv ',
120*1858f998SYi Kong     $                   'cblas_ztrmv ','cblas_ztbmv ','cblas_ztpmv ',
121*1858f998SYi Kong     $                   'cblas_ztrsv ','cblas_ztbsv ','cblas_ztpsv ',
122*1858f998SYi Kong     $                   'cblas_zgerc ','cblas_zgeru ','cblas_zher  ',
123*1858f998SYi Kong     $                   'cblas_zhpr  ','cblas_zher2 ','cblas_zhpr2 '/
124*1858f998SYi Kong*     .. Executable Statements ..
125*1858f998SYi Kong*
126*1858f998SYi Kong      NOUTC = NOUT
127*1858f998SYi Kong*
128*1858f998SYi Kong*     Read name and unit number for summary output file and open file.
129*1858f998SYi Kong*
130*1858f998SYi Kong      READ( NIN, FMT = * )SNAPS
131*1858f998SYi Kong      READ( NIN, FMT = * )NTRA
132*1858f998SYi Kong      TRACE = NTRA.GE.0
133*1858f998SYi Kong      IF( TRACE )THEN
134*1858f998SYi Kong         OPEN( NTRA, FILE = SNAPS )
135*1858f998SYi Kong      END IF
136*1858f998SYi Kong*     Read the flag that directs rewinding of the snapshot file.
137*1858f998SYi Kong      READ( NIN, FMT = * )REWI
138*1858f998SYi Kong      REWI = REWI.AND.TRACE
139*1858f998SYi Kong*     Read the flag that directs stopping on any failure.
140*1858f998SYi Kong      READ( NIN, FMT = * )SFATAL
141*1858f998SYi Kong*     Read the flag that indicates whether error exits are to be tested.
142*1858f998SYi Kong      READ( NIN, FMT = * )TSTERR
143*1858f998SYi Kong*     Read the flag that indicates whether row-major data layout to be tested.
144*1858f998SYi Kong      READ( NIN, FMT = * )LAYOUT
145*1858f998SYi Kong*     Read the threshold value of the test ratio
146*1858f998SYi Kong      READ( NIN, FMT = * )THRESH
147*1858f998SYi Kong*
148*1858f998SYi Kong*     Read and check the parameter values for the tests.
149*1858f998SYi Kong*
150*1858f998SYi Kong*     Values of N
151*1858f998SYi Kong      READ( NIN, FMT = * )NIDIM
152*1858f998SYi Kong      IF( NIDIM.LT.1.OR.NIDIM.GT.NIDMAX )THEN
153*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'N', NIDMAX
154*1858f998SYi Kong         GO TO 230
155*1858f998SYi Kong      END IF
156*1858f998SYi Kong      READ( NIN, FMT = * )( IDIM( I ), I = 1, NIDIM )
157*1858f998SYi Kong      DO 10 I = 1, NIDIM
158*1858f998SYi Kong         IF( IDIM( I ).LT.0.OR.IDIM( I ).GT.NMAX )THEN
159*1858f998SYi Kong            WRITE( NOUT, FMT = 9996 )NMAX
160*1858f998SYi Kong            GO TO 230
161*1858f998SYi Kong         END IF
162*1858f998SYi Kong   10 CONTINUE
163*1858f998SYi Kong*     Values of K
164*1858f998SYi Kong      READ( NIN, FMT = * )NKB
165*1858f998SYi Kong      IF( NKB.LT.1.OR.NKB.GT.NKBMAX )THEN
166*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'K', NKBMAX
167*1858f998SYi Kong         GO TO 230
168*1858f998SYi Kong      END IF
169*1858f998SYi Kong      READ( NIN, FMT = * )( KB( I ), I = 1, NKB )
170*1858f998SYi Kong      DO 20 I = 1, NKB
171*1858f998SYi Kong         IF( KB( I ).LT.0 )THEN
172*1858f998SYi Kong            WRITE( NOUT, FMT = 9995 )
173*1858f998SYi Kong            GO TO 230
174*1858f998SYi Kong         END IF
175*1858f998SYi Kong   20 CONTINUE
176*1858f998SYi Kong*     Values of INCX and INCY
177*1858f998SYi Kong      READ( NIN, FMT = * )NINC
178*1858f998SYi Kong      IF( NINC.LT.1.OR.NINC.GT.NINMAX )THEN
179*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'INCX AND INCY', NINMAX
180*1858f998SYi Kong         GO TO 230
181*1858f998SYi Kong      END IF
182*1858f998SYi Kong      READ( NIN, FMT = * )( INC( I ), I = 1, NINC )
183*1858f998SYi Kong      DO 30 I = 1, NINC
184*1858f998SYi Kong         IF( INC( I ).EQ.0.OR.ABS( INC( I ) ).GT.INCMAX )THEN
185*1858f998SYi Kong            WRITE( NOUT, FMT = 9994 )INCMAX
186*1858f998SYi Kong            GO TO 230
187*1858f998SYi Kong         END IF
188*1858f998SYi Kong   30 CONTINUE
189*1858f998SYi Kong*     Values of ALPHA
190*1858f998SYi Kong      READ( NIN, FMT = * )NALF
191*1858f998SYi Kong      IF( NALF.LT.1.OR.NALF.GT.NALMAX )THEN
192*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'ALPHA', NALMAX
193*1858f998SYi Kong         GO TO 230
194*1858f998SYi Kong      END IF
195*1858f998SYi Kong      READ( NIN, FMT = * )( ALF( I ), I = 1, NALF )
196*1858f998SYi Kong*     Values of BETA
197*1858f998SYi Kong      READ( NIN, FMT = * )NBET
198*1858f998SYi Kong      IF( NBET.LT.1.OR.NBET.GT.NBEMAX )THEN
199*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )'BETA', NBEMAX
200*1858f998SYi Kong         GO TO 230
201*1858f998SYi Kong      END IF
202*1858f998SYi Kong      READ( NIN, FMT = * )( BET( I ), I = 1, NBET )
203*1858f998SYi Kong*
204*1858f998SYi Kong*     Report values of parameters.
205*1858f998SYi Kong*
206*1858f998SYi Kong      WRITE( NOUT, FMT = 9993 )
207*1858f998SYi Kong      WRITE( NOUT, FMT = 9992 )( IDIM( I ), I = 1, NIDIM )
208*1858f998SYi Kong      WRITE( NOUT, FMT = 9991 )( KB( I ), I = 1, NKB )
209*1858f998SYi Kong      WRITE( NOUT, FMT = 9990 )( INC( I ), I = 1, NINC )
210*1858f998SYi Kong      WRITE( NOUT, FMT = 9989 )( ALF( I ), I = 1, NALF )
211*1858f998SYi Kong      WRITE( NOUT, FMT = 9988 )( BET( I ), I = 1, NBET )
212*1858f998SYi Kong      IF( .NOT.TSTERR )THEN
213*1858f998SYi Kong         WRITE( NOUT, FMT = * )
214*1858f998SYi Kong         WRITE( NOUT, FMT = 9980 )
215*1858f998SYi Kong      END IF
216*1858f998SYi Kong      WRITE( NOUT, FMT = * )
217*1858f998SYi Kong      WRITE( NOUT, FMT = 9999 )THRESH
218*1858f998SYi Kong      WRITE( NOUT, FMT = * )
219*1858f998SYi Kong      RORDER = .FALSE.
220*1858f998SYi Kong      CORDER = .FALSE.
221*1858f998SYi Kong      IF (LAYOUT.EQ.2) THEN
222*1858f998SYi Kong         RORDER = .TRUE.
223*1858f998SYi Kong         CORDER = .TRUE.
224*1858f998SYi Kong         WRITE( *, FMT = 10002 )
225*1858f998SYi Kong      ELSE IF (LAYOUT.EQ.1) THEN
226*1858f998SYi Kong         RORDER = .TRUE.
227*1858f998SYi Kong         WRITE( *, FMT = 10001 )
228*1858f998SYi Kong      ELSE IF (LAYOUT.EQ.0) THEN
229*1858f998SYi Kong         CORDER = .TRUE.
230*1858f998SYi Kong         WRITE( *, FMT = 10000 )
231*1858f998SYi Kong      END IF
232*1858f998SYi Kong      WRITE( *, FMT = * )
233*1858f998SYi Kong*
234*1858f998SYi Kong*     Read names of subroutines and flags which indicate
235*1858f998SYi Kong*     whether they are to be tested.
236*1858f998SYi Kong*
237*1858f998SYi Kong      DO 40 I = 1, NSUBS
238*1858f998SYi Kong         LTEST( I ) = .FALSE.
239*1858f998SYi Kong   40 CONTINUE
240*1858f998SYi Kong   50 READ( NIN, FMT = 9984, END = 80 )SNAMET, LTESTT
241*1858f998SYi Kong      DO 60 I = 1, NSUBS
242*1858f998SYi Kong         IF( SNAMET.EQ.SNAMES( I ) )
243*1858f998SYi Kong     $      GO TO 70
244*1858f998SYi Kong   60 CONTINUE
245*1858f998SYi Kong      WRITE( NOUT, FMT = 9986 )SNAMET
246*1858f998SYi Kong      STOP
247*1858f998SYi Kong   70 LTEST( I ) = LTESTT
248*1858f998SYi Kong      GO TO 50
249*1858f998SYi Kong*
250*1858f998SYi Kong   80 CONTINUE
251*1858f998SYi Kong      CLOSE ( NIN )
252*1858f998SYi Kong*
253*1858f998SYi Kong*     Compute EPS (the machine precision).
254*1858f998SYi Kong*
255*1858f998SYi Kong      EPS = RONE
256*1858f998SYi Kong   90 CONTINUE
257*1858f998SYi Kong      IF( DDIFF( RONE + EPS, RONE ).EQ.RZERO )
258*1858f998SYi Kong     $   GO TO 100
259*1858f998SYi Kong      EPS = RHALF*EPS
260*1858f998SYi Kong      GO TO 90
261*1858f998SYi Kong  100 CONTINUE
262*1858f998SYi Kong      EPS = EPS + EPS
263*1858f998SYi Kong      WRITE( NOUT, FMT = 9998 )EPS
264*1858f998SYi Kong*
265*1858f998SYi Kong*     Check the reliability of ZMVCH using exact data.
266*1858f998SYi Kong*
267*1858f998SYi Kong      N = MIN( 32, NMAX )
268*1858f998SYi Kong      DO 120 J = 1, N
269*1858f998SYi Kong         DO 110 I = 1, N
270*1858f998SYi Kong            A( I, J ) = MAX( I - J + 1, 0 )
271*1858f998SYi Kong  110    CONTINUE
272*1858f998SYi Kong         X( J ) = J
273*1858f998SYi Kong         Y( J ) = ZERO
274*1858f998SYi Kong  120 CONTINUE
275*1858f998SYi Kong      DO 130 J = 1, N
276*1858f998SYi Kong         YY( J ) = J*( ( J + 1 )*J )/2 - ( ( J + 1 )*J*( J - 1 ) )/3
277*1858f998SYi Kong  130 CONTINUE
278*1858f998SYi Kong*     YY holds the exact result. On exit from CMVCH YT holds
279*1858f998SYi Kong*     the result computed by CMVCH.
280*1858f998SYi Kong      TRANS = 'N'
281*1858f998SYi Kong      CALL ZMVCH( TRANS, N, N, ONE, A, NMAX, X, 1, ZERO, Y, 1, YT, G,
282*1858f998SYi Kong     $            YY, EPS, ERR, FATAL, NOUT, .TRUE. )
283*1858f998SYi Kong      SAME = LZE( YY, YT, N )
284*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.RZERO )THEN
285*1858f998SYi Kong         WRITE( NOUT, FMT = 9985 )TRANS, SAME, ERR
286*1858f998SYi Kong         STOP
287*1858f998SYi Kong      END IF
288*1858f998SYi Kong      TRANS = 'T'
289*1858f998SYi Kong      CALL ZMVCH( TRANS, N, N, ONE, A, NMAX, X, -1, ZERO, Y, -1, YT, G,
290*1858f998SYi Kong     $            YY, EPS, ERR, FATAL, NOUT, .TRUE. )
291*1858f998SYi Kong      SAME = LZE( YY, YT, N )
292*1858f998SYi Kong      IF( .NOT.SAME.OR.ERR.NE.RZERO )THEN
293*1858f998SYi Kong         WRITE( NOUT, FMT = 9985 )TRANS, SAME, ERR
294*1858f998SYi Kong         STOP
295*1858f998SYi Kong      END IF
296*1858f998SYi Kong*
297*1858f998SYi Kong*     Test each subroutine in turn.
298*1858f998SYi Kong*
299*1858f998SYi Kong      DO 210 ISNUM = 1, NSUBS
300*1858f998SYi Kong         WRITE( NOUT, FMT = * )
301*1858f998SYi Kong         IF( .NOT.LTEST( ISNUM ) )THEN
302*1858f998SYi Kong*           Subprogram is not to be tested.
303*1858f998SYi Kong            WRITE( NOUT, FMT = 9983 )SNAMES( ISNUM )
304*1858f998SYi Kong         ELSE
305*1858f998SYi Kong            SRNAMT = SNAMES( ISNUM )
306*1858f998SYi Kong*           Test error exits.
307*1858f998SYi Kong            IF( TSTERR )THEN
308*1858f998SYi Kong               CALL CZ2CHKE( SNAMES( ISNUM ) )
309*1858f998SYi Kong               WRITE( NOUT, FMT = * )
310*1858f998SYi Kong            END IF
311*1858f998SYi Kong*           Test computations.
312*1858f998SYi Kong            INFOT = 0
313*1858f998SYi Kong            OK = .TRUE.
314*1858f998SYi Kong            FATAL = .FALSE.
315*1858f998SYi Kong            GO TO ( 140, 140, 150, 150, 150, 160, 160,
316*1858f998SYi Kong     $              160, 160, 160, 160, 170, 170, 180,
317*1858f998SYi Kong     $              180, 190, 190 )ISNUM
318*1858f998SYi Kong*           Test ZGEMV, 01, and ZGBMV, 02.
319*1858f998SYi Kong  140       IF (CORDER) THEN
320*1858f998SYi Kong            CALL ZCHK1( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
321*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF,
322*1858f998SYi Kong     $                  NBET, BET, NINC, INC, NMAX, INCMAX, A, AA, AS,
323*1858f998SYi Kong     $                  X, XX, XS, Y, YY, YS, YT, G, 0 )
324*1858f998SYi Kong            END IF
325*1858f998SYi Kong            IF (RORDER) THEN
326*1858f998SYi Kong            CALL ZCHK1( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
327*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF,
328*1858f998SYi Kong     $                  NBET, BET, NINC, INC, NMAX, INCMAX, A, AA, AS,
329*1858f998SYi Kong     $                  X, XX, XS, Y, YY, YS, YT, G, 1 )
330*1858f998SYi Kong            END IF
331*1858f998SYi Kong            GO TO 200
332*1858f998SYi Kong*           Test ZHEMV, 03, ZHBMV, 04, and ZHPMV, 05.
333*1858f998SYi Kong  150      IF (CORDER) THEN
334*1858f998SYi Kong           CALL ZCHK2( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
335*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF,
336*1858f998SYi Kong     $                  NBET, BET, NINC, INC, NMAX, INCMAX, A, AA, AS,
337*1858f998SYi Kong     $                  X, XX, XS, Y, YY, YS, YT, G, 0 )
338*1858f998SYi Kong           END IF
339*1858f998SYi Kong           IF (RORDER) THEN
340*1858f998SYi Kong           CALL ZCHK2( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
341*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF,
342*1858f998SYi Kong     $                  NBET, BET, NINC, INC, NMAX, INCMAX, A, AA, AS,
343*1858f998SYi Kong     $                  X, XX, XS, Y, YY, YS, YT, G, 1 )
344*1858f998SYi Kong           END IF
345*1858f998SYi Kong            GO TO 200
346*1858f998SYi Kong*           Test ZTRMV, 06, ZTBMV, 07, ZTPMV, 08,
347*1858f998SYi Kong*           ZTRSV, 09, ZTBSV, 10, and ZTPSV, 11.
348*1858f998SYi Kong  160      IF (CORDER) THEN
349*1858f998SYi Kong           CALL ZCHK3( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
350*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NKB, KB, NINC, INC,
351*1858f998SYi Kong     $                  NMAX, INCMAX, A, AA, AS, Y, YY, YS, YT, G, Z,
352*1858f998SYi Kong     $			0 )
353*1858f998SYi Kong           END IF
354*1858f998SYi Kong           IF (RORDER) THEN
355*1858f998SYi Kong           CALL ZCHK3( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
356*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NKB, KB, NINC, INC,
357*1858f998SYi Kong     $                  NMAX, INCMAX, A, AA, AS, Y, YY, YS, YT, G, Z,
358*1858f998SYi Kong     $			1 )
359*1858f998SYi Kong           END IF
360*1858f998SYi Kong            GO TO 200
361*1858f998SYi Kong*           Test ZGERC, 12, ZGERU, 13.
362*1858f998SYi Kong  170      IF (CORDER) THEN
363*1858f998SYi Kong           CALL ZCHK4( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
364*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC,
365*1858f998SYi Kong     $                  NMAX, INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS,
366*1858f998SYi Kong     $                  YT, G, Z, 0 )
367*1858f998SYi Kong           END IF
368*1858f998SYi Kong           IF (RORDER) THEN
369*1858f998SYi Kong           CALL ZCHK4( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
370*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC,
371*1858f998SYi Kong     $                  NMAX, INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS,
372*1858f998SYi Kong     $                  YT, G, Z, 1 )
373*1858f998SYi Kong           END IF
374*1858f998SYi Kong            GO TO 200
375*1858f998SYi Kong*           Test ZHER, 14, and ZHPR, 15.
376*1858f998SYi Kong  180      IF (CORDER) THEN
377*1858f998SYi Kong           CALL ZCHK5( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
378*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC,
379*1858f998SYi Kong     $                  NMAX, INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS,
380*1858f998SYi Kong     $                  YT, G, Z, 0 )
381*1858f998SYi Kong           END IF
382*1858f998SYi Kong           IF (RORDER) THEN
383*1858f998SYi Kong           CALL ZCHK5( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
384*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC,
385*1858f998SYi Kong     $                  NMAX, INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS,
386*1858f998SYi Kong     $                  YT, G, Z, 1 )
387*1858f998SYi Kong           END IF
388*1858f998SYi Kong            GO TO 200
389*1858f998SYi Kong*           Test ZHER2, 16, and ZHPR2, 17.
390*1858f998SYi Kong  190      IF (CORDER) THEN
391*1858f998SYi Kong           CALL ZCHK6( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
392*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC,
393*1858f998SYi Kong     $                  NMAX, INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS,
394*1858f998SYi Kong     $                  YT, G, Z, 0 )
395*1858f998SYi Kong           END IF
396*1858f998SYi Kong           IF (RORDER) THEN
397*1858f998SYi Kong           CALL ZCHK6( SNAMES( ISNUM ), EPS, THRESH, NOUT, NTRA, TRACE,
398*1858f998SYi Kong     $                  REWI, FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC,
399*1858f998SYi Kong     $                  NMAX, INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS,
400*1858f998SYi Kong     $                  YT, G, Z, 1 )
401*1858f998SYi Kong           END IF
402*1858f998SYi Kong*
403*1858f998SYi Kong  200       IF( FATAL.AND.SFATAL )
404*1858f998SYi Kong     $         GO TO 220
405*1858f998SYi Kong         END IF
406*1858f998SYi Kong  210 CONTINUE
407*1858f998SYi Kong      WRITE( NOUT, FMT = 9982 )
408*1858f998SYi Kong      GO TO 240
409*1858f998SYi Kong*
410*1858f998SYi Kong  220 CONTINUE
411*1858f998SYi Kong      WRITE( NOUT, FMT = 9981 )
412*1858f998SYi Kong      GO TO 240
413*1858f998SYi Kong*
414*1858f998SYi Kong  230 CONTINUE
415*1858f998SYi Kong      WRITE( NOUT, FMT = 9987 )
416*1858f998SYi Kong*
417*1858f998SYi Kong  240 CONTINUE
418*1858f998SYi Kong      IF( TRACE )
419*1858f998SYi Kong     $   CLOSE ( NTRA )
420*1858f998SYi Kong      CLOSE ( NOUT )
421*1858f998SYi Kong      STOP
422*1858f998SYi Kong*
423*1858f998SYi Kong10002 FORMAT( ' COLUMN-MAJOR AND ROW-MAJOR DATA LAYOUTS ARE TESTED' )
424*1858f998SYi Kong10001 FORMAT( ' ROW-MAJOR DATA LAYOUT IS TESTED' )
425*1858f998SYi Kong10000 FORMAT( ' COLUMN-MAJOR DATA LAYOUT IS TESTED' )
426*1858f998SYi Kong 9999 FORMAT(' ROUTINES PASS COMPUTATIONAL TESTS IF TEST RATIO IS LES',
427*1858f998SYi Kong     $      'S THAN', F8.2 )
428*1858f998SYi Kong 9998 FORMAT( ' RELATIVE MACHINE PRECISION IS TAKEN TO BE', 1P, E9.1 )
429*1858f998SYi Kong 9997 FORMAT(' NUMBER OF VALUES OF ', A, ' IS LESS THAN 1 OR GREATER ',
430*1858f998SYi Kong     $      'THAN ', I2 )
431*1858f998SYi Kong 9996 FORMAT( ' VALUE OF N IS LESS THAN 0 OR GREATER THAN ', I2 )
432*1858f998SYi Kong 9995 FORMAT( ' VALUE OF K IS LESS THAN 0' )
433*1858f998SYi Kong 9994 FORMAT( ' ABSOLUTE VALUE OF INCX OR INCY IS 0 OR GREATER THAN ',
434*1858f998SYi Kong     $      I2 )
435*1858f998SYi Kong 9993 FORMAT(' TESTS OF THE COMPLEX*16      LEVEL 2 BLAS', //' THE F',
436*1858f998SYi Kong     $      'OLLOWING PARAMETER VALUES WILL BE USED:' )
437*1858f998SYi Kong 9992 FORMAT( '   FOR N              ', 9I6 )
438*1858f998SYi Kong 9991 FORMAT( '   FOR K              ', 7I6 )
439*1858f998SYi Kong 9990 FORMAT( '   FOR INCX AND INCY  ', 7I6 )
440*1858f998SYi Kong 9989 FORMAT( '   FOR ALPHA          ',
441*1858f998SYi Kong     $      7('(', F4.1, ',', F4.1, ')  ', : ) )
442*1858f998SYi Kong 9988 FORMAT( '   FOR BETA           ',
443*1858f998SYi Kong     $      7('(', F4.1, ',', F4.1, ')  ', : ) )
444*1858f998SYi Kong 9987 FORMAT( ' AMEND DATA FILE OR INCREASE ARRAY SIZES IN PROGRAM',
445*1858f998SYi Kong     $      /' ******* TESTS ABANDONED *******' )
446*1858f998SYi Kong 9986 FORMAT(' SUBPROGRAM NAME ',A12, ' NOT RECOGNIZED', /' ******* T',
447*1858f998SYi Kong     $      'ESTS ABANDONED *******' )
448*1858f998SYi Kong 9985 FORMAT(' ERROR IN CMVCH -  IN-LINE DOT PRODUCTS ARE BEING EVALU',
449*1858f998SYi Kong     $      'ATED WRONGLY.', /' CMVCH WAS CALLED WITH TRANS = ', A1,
450*1858f998SYi Kong     $      ' AND RETURNED SAME = ', L1, ' AND ERR = ', F12.3, '.', /
451*1858f998SYi Kong     $  ' THIS MAY BE DUE TO FAULTS IN THE ARITHMETIC OR THE COMPILER.'
452*1858f998SYi Kong     $      , /' ******* TESTS ABANDONED *******' )
453*1858f998SYi Kong 9984 FORMAT( A12, L2 )
454*1858f998SYi Kong 9983 FORMAT( 1X,A12, ' WAS NOT TESTED' )
455*1858f998SYi Kong 9982 FORMAT( /' END OF TESTS' )
456*1858f998SYi Kong 9981 FORMAT( /' ******* FATAL ERROR - TESTS ABANDONED *******' )
457*1858f998SYi Kong 9980 FORMAT( ' ERROR-EXITS WILL NOT BE TESTED' )
458*1858f998SYi Kong*
459*1858f998SYi Kong*     End of ZBLAT2.
460*1858f998SYi Kong*
461*1858f998SYi Kong      END
462*1858f998SYi Kong      SUBROUTINE ZCHK1( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
463*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF, NBET,
464*1858f998SYi Kong     $                  BET, NINC, INC, NMAX, INCMAX, A, AA, AS, X, XX,
465*1858f998SYi Kong     $                  XS, Y, YY, YS, YT, G, IORDER )
466*1858f998SYi Kong*
467*1858f998SYi Kong*  Tests CGEMV and CGBMV.
468*1858f998SYi Kong*
469*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
470*1858f998SYi Kong*
471*1858f998SYi Kong*  -- Written on 10-August-1987.
472*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
473*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
474*1858f998SYi Kong*
475*1858f998SYi Kong*     .. Parameters ..
476*1858f998SYi Kong      COMPLEX*16        ZERO, HALF
477*1858f998SYi Kong      PARAMETER         ( ZERO = ( 0.0D0, 0.0D0 ),
478*1858f998SYi Kong     $                  HALF = ( 0.5D0, 0.0D0 ) )
479*1858f998SYi Kong      DOUBLE PRECISION  RZERO
480*1858f998SYi Kong      PARAMETER         ( RZERO = 0.0D0 )
481*1858f998SYi Kong*     .. Scalar Arguments ..
482*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
483*1858f998SYi Kong      INTEGER            INCMAX, NALF, NBET, NIDIM, NINC, NKB, NMAX,
484*1858f998SYi Kong     $                   NOUT, NTRA, IORDER
485*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
486*1858f998SYi Kong      CHARACTER*12       SNAME
487*1858f998SYi Kong*     .. Array Arguments ..
488*1858f998SYi Kong      COMPLEX*16         A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
489*1858f998SYi Kong     $                   AS( NMAX*NMAX ), BET( NBET ), X( NMAX ),
490*1858f998SYi Kong     $                   XS( NMAX*INCMAX ), XX( NMAX*INCMAX ),
491*1858f998SYi Kong     $                   Y( NMAX ), YS( NMAX*INCMAX ), YT( NMAX ),
492*1858f998SYi Kong     $                   YY( NMAX*INCMAX )
493*1858f998SYi Kong      DOUBLE PRECISION   G( NMAX )
494*1858f998SYi Kong      INTEGER            IDIM( NIDIM ), INC( NINC ), KB( NKB )
495*1858f998SYi Kong*     .. Local Scalars ..
496*1858f998SYi Kong      COMPLEX*16         ALPHA, ALS, BETA, BLS, TRANSL
497*1858f998SYi Kong      DOUBLE PRECISION   ERR, ERRMAX
498*1858f998SYi Kong      INTEGER            I, IA, IB, IC, IKU, IM, IN, INCX, INCXS, INCY,
499*1858f998SYi Kong     $                   INCYS, IX, IY, KL, KLS, KU, KUS, LAA, LDA,
500*1858f998SYi Kong     $                   LDAS, LX, LY, M, ML, MS, N, NARGS, NC, ND, NK,
501*1858f998SYi Kong     $                   NL, NS
502*1858f998SYi Kong      LOGICAL            BANDED, FULL, NULL, RESET, SAME, TRAN
503*1858f998SYi Kong      CHARACTER*1        TRANS, TRANSS
504*1858f998SYi Kong      CHARACTER*14       CTRANS
505*1858f998SYi Kong      CHARACTER*3        ICH
506*1858f998SYi Kong*     .. Local Arrays ..
507*1858f998SYi Kong      LOGICAL            ISAME( 13 )
508*1858f998SYi Kong*     .. External Functions ..
509*1858f998SYi Kong      LOGICAL            LZE, LZERES
510*1858f998SYi Kong      EXTERNAL           LZE, LZERES
511*1858f998SYi Kong*     .. External Subroutines ..
512*1858f998SYi Kong      EXTERNAL           CZGBMV, CZGEMV, ZMAKE, ZMVCH
513*1858f998SYi Kong*     .. Intrinsic Functions ..
514*1858f998SYi Kong      INTRINSIC          ABS, MAX, MIN
515*1858f998SYi Kong*     .. Scalars in Common ..
516*1858f998SYi Kong      INTEGER            INFOT, NOUTC
517*1858f998SYi Kong      LOGICAL             OK
518*1858f998SYi Kong*     .. Common blocks ..
519*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
520*1858f998SYi Kong*     .. Data statements ..
521*1858f998SYi Kong      DATA               ICH/'NTC'/
522*1858f998SYi Kong*     .. Executable Statements ..
523*1858f998SYi Kong      FULL = SNAME( 9: 9 ).EQ.'e'
524*1858f998SYi Kong      BANDED = SNAME( 9: 9 ).EQ.'b'
525*1858f998SYi Kong*     Define the number of arguments.
526*1858f998SYi Kong      IF( FULL )THEN
527*1858f998SYi Kong         NARGS = 11
528*1858f998SYi Kong      ELSE IF( BANDED )THEN
529*1858f998SYi Kong         NARGS = 13
530*1858f998SYi Kong      END IF
531*1858f998SYi Kong*
532*1858f998SYi Kong      NC = 0
533*1858f998SYi Kong      RESET = .TRUE.
534*1858f998SYi Kong      ERRMAX = RZERO
535*1858f998SYi Kong*
536*1858f998SYi Kong      DO 120 IN = 1, NIDIM
537*1858f998SYi Kong         N = IDIM( IN )
538*1858f998SYi Kong         ND = N/2 + 1
539*1858f998SYi Kong*
540*1858f998SYi Kong         DO 110 IM = 1, 2
541*1858f998SYi Kong            IF( IM.EQ.1 )
542*1858f998SYi Kong     $         M = MAX( N - ND, 0 )
543*1858f998SYi Kong            IF( IM.EQ.2 )
544*1858f998SYi Kong     $         M = MIN( N + ND, NMAX )
545*1858f998SYi Kong*
546*1858f998SYi Kong            IF( BANDED )THEN
547*1858f998SYi Kong               NK = NKB
548*1858f998SYi Kong            ELSE
549*1858f998SYi Kong               NK = 1
550*1858f998SYi Kong            END IF
551*1858f998SYi Kong            DO 100 IKU = 1, NK
552*1858f998SYi Kong               IF( BANDED )THEN
553*1858f998SYi Kong                  KU = KB( IKU )
554*1858f998SYi Kong                  KL = MAX( KU - 1, 0 )
555*1858f998SYi Kong               ELSE
556*1858f998SYi Kong                  KU = N - 1
557*1858f998SYi Kong                  KL = M - 1
558*1858f998SYi Kong               END IF
559*1858f998SYi Kong*              Set LDA to 1 more than minimum value if room.
560*1858f998SYi Kong               IF( BANDED )THEN
561*1858f998SYi Kong                  LDA = KL + KU + 1
562*1858f998SYi Kong               ELSE
563*1858f998SYi Kong                  LDA = M
564*1858f998SYi Kong               END IF
565*1858f998SYi Kong               IF( LDA.LT.NMAX )
566*1858f998SYi Kong     $            LDA = LDA + 1
567*1858f998SYi Kong*              Skip tests if not enough room.
568*1858f998SYi Kong               IF( LDA.GT.NMAX )
569*1858f998SYi Kong     $            GO TO 100
570*1858f998SYi Kong               LAA = LDA*N
571*1858f998SYi Kong               NULL = N.LE.0.OR.M.LE.0
572*1858f998SYi Kong*
573*1858f998SYi Kong*              Generate the matrix A.
574*1858f998SYi Kong*
575*1858f998SYi Kong               TRANSL = ZERO
576*1858f998SYi Kong               CALL ZMAKE( SNAME( 8: 9 ), ' ', ' ', M, N, A, NMAX, AA,
577*1858f998SYi Kong     $                     LDA, KL, KU, RESET, TRANSL )
578*1858f998SYi Kong*
579*1858f998SYi Kong               DO 90 IC = 1, 3
580*1858f998SYi Kong                  TRANS = ICH( IC: IC )
581*1858f998SYi Kong                  IF (TRANS.EQ.'N')THEN
582*1858f998SYi Kong                     CTRANS = '  CblasNoTrans'
583*1858f998SYi Kong                  ELSE IF (TRANS.EQ.'T')THEN
584*1858f998SYi Kong                     CTRANS = '    CblasTrans'
585*1858f998SYi Kong                  ELSE
586*1858f998SYi Kong                     CTRANS = 'CblasConjTrans'
587*1858f998SYi Kong                  END IF
588*1858f998SYi Kong                  TRAN = TRANS.EQ.'T'.OR.TRANS.EQ.'C'
589*1858f998SYi Kong*
590*1858f998SYi Kong                  IF( TRAN )THEN
591*1858f998SYi Kong                     ML = N
592*1858f998SYi Kong                     NL = M
593*1858f998SYi Kong                  ELSE
594*1858f998SYi Kong                     ML = M
595*1858f998SYi Kong                     NL = N
596*1858f998SYi Kong                  END IF
597*1858f998SYi Kong*
598*1858f998SYi Kong                  DO 80 IX = 1, NINC
599*1858f998SYi Kong                     INCX = INC( IX )
600*1858f998SYi Kong                     LX = ABS( INCX )*NL
601*1858f998SYi Kong*
602*1858f998SYi Kong*                    Generate the vector X.
603*1858f998SYi Kong*
604*1858f998SYi Kong                     TRANSL = HALF
605*1858f998SYi Kong                     CALL ZMAKE( 'ge', ' ', ' ', 1, NL, X, 1, XX,
606*1858f998SYi Kong     $                          ABS( INCX ), 0, NL - 1, RESET, TRANSL )
607*1858f998SYi Kong                     IF( NL.GT.1 )THEN
608*1858f998SYi Kong                        X( NL/2 ) = ZERO
609*1858f998SYi Kong                        XX( 1 + ABS( INCX )*( NL/2 - 1 ) ) = ZERO
610*1858f998SYi Kong                     END IF
611*1858f998SYi Kong*
612*1858f998SYi Kong                     DO 70 IY = 1, NINC
613*1858f998SYi Kong                        INCY = INC( IY )
614*1858f998SYi Kong                        LY = ABS( INCY )*ML
615*1858f998SYi Kong*
616*1858f998SYi Kong                        DO 60 IA = 1, NALF
617*1858f998SYi Kong                           ALPHA = ALF( IA )
618*1858f998SYi Kong*
619*1858f998SYi Kong                           DO 50 IB = 1, NBET
620*1858f998SYi Kong                              BETA = BET( IB )
621*1858f998SYi Kong*
622*1858f998SYi Kong*                             Generate the vector Y.
623*1858f998SYi Kong*
624*1858f998SYi Kong                              TRANSL = ZERO
625*1858f998SYi Kong                              CALL ZMAKE( 'ge', ' ', ' ', 1, ML, Y, 1,
626*1858f998SYi Kong     $                                    YY, ABS( INCY ), 0, ML - 1,
627*1858f998SYi Kong     $                                    RESET, TRANSL )
628*1858f998SYi Kong*
629*1858f998SYi Kong                              NC = NC + 1
630*1858f998SYi Kong*
631*1858f998SYi Kong*                             Save every datum before calling the
632*1858f998SYi Kong*                             subroutine.
633*1858f998SYi Kong*
634*1858f998SYi Kong                              TRANSS = TRANS
635*1858f998SYi Kong                              MS = M
636*1858f998SYi Kong                              NS = N
637*1858f998SYi Kong                              KLS = KL
638*1858f998SYi Kong                              KUS = KU
639*1858f998SYi Kong                              ALS = ALPHA
640*1858f998SYi Kong                              DO 10 I = 1, LAA
641*1858f998SYi Kong                                 AS( I ) = AA( I )
642*1858f998SYi Kong   10                         CONTINUE
643*1858f998SYi Kong                              LDAS = LDA
644*1858f998SYi Kong                              DO 20 I = 1, LX
645*1858f998SYi Kong                                 XS( I ) = XX( I )
646*1858f998SYi Kong   20                         CONTINUE
647*1858f998SYi Kong                              INCXS = INCX
648*1858f998SYi Kong                              BLS = BETA
649*1858f998SYi Kong                              DO 30 I = 1, LY
650*1858f998SYi Kong                                 YS( I ) = YY( I )
651*1858f998SYi Kong   30                         CONTINUE
652*1858f998SYi Kong                              INCYS = INCY
653*1858f998SYi Kong*
654*1858f998SYi Kong*                             Call the subroutine.
655*1858f998SYi Kong*
656*1858f998SYi Kong                              IF( FULL )THEN
657*1858f998SYi Kong                                 IF( TRACE )
658*1858f998SYi Kong     $                              WRITE( NTRA, FMT = 9994 )NC, SNAME,
659*1858f998SYi Kong     $                             CTRANS, M, N, ALPHA, LDA, INCX, BETA,
660*1858f998SYi Kong     $                              INCY
661*1858f998SYi Kong                                 IF( REWI )
662*1858f998SYi Kong     $                              REWIND NTRA
663*1858f998SYi Kong                                 CALL CZGEMV( IORDER, TRANS, M, N,
664*1858f998SYi Kong     $                                      ALPHA, AA, LDA, XX, INCX,
665*1858f998SYi Kong     $                                      BETA, YY, INCY )
666*1858f998SYi Kong                              ELSE IF( BANDED )THEN
667*1858f998SYi Kong                                 IF( TRACE )
668*1858f998SYi Kong     $                              WRITE( NTRA, FMT = 9995 )NC, SNAME,
669*1858f998SYi Kong     $                              CTRANS, M, N, KL, KU, ALPHA, LDA,
670*1858f998SYi Kong     $                              INCX, BETA, INCY
671*1858f998SYi Kong                                 IF( REWI )
672*1858f998SYi Kong     $                              REWIND NTRA
673*1858f998SYi Kong                                 CALL CZGBMV( IORDER, TRANS, M, N, KL,
674*1858f998SYi Kong     $                                       KU, ALPHA, AA, LDA, XX,
675*1858f998SYi Kong     $                                       INCX, BETA, YY, INCY )
676*1858f998SYi Kong                              END IF
677*1858f998SYi Kong*
678*1858f998SYi Kong*                            Check if error-exit was taken incorrectly.
679*1858f998SYi Kong*
680*1858f998SYi Kong                              IF( .NOT.OK )THEN
681*1858f998SYi Kong                                 WRITE( NOUT, FMT = 9993 )
682*1858f998SYi Kong                                 FATAL = .TRUE.
683*1858f998SYi Kong                                 GO TO 130
684*1858f998SYi Kong                              END IF
685*1858f998SYi Kong*
686*1858f998SYi Kong*                             See what data changed inside subroutines.
687*1858f998SYi Kong*
688*1858f998SYi Kong*        IF(TRANS .NE. 'C' .OR. (INCX .GT. 0 .AND. INCY .GT. 0)) THEN
689*1858f998SYi Kong                              ISAME( 1 ) = TRANS.EQ.TRANSS
690*1858f998SYi Kong                              ISAME( 2 ) = MS.EQ.M
691*1858f998SYi Kong                              ISAME( 3 ) = NS.EQ.N
692*1858f998SYi Kong                              IF( FULL )THEN
693*1858f998SYi Kong                                 ISAME( 4 ) = ALS.EQ.ALPHA
694*1858f998SYi Kong                                 ISAME( 5 ) = LZE( AS, AA, LAA )
695*1858f998SYi Kong                                 ISAME( 6 ) = LDAS.EQ.LDA
696*1858f998SYi Kong                                 ISAME( 7 ) = LZE( XS, XX, LX )
697*1858f998SYi Kong                                 ISAME( 8 ) = INCXS.EQ.INCX
698*1858f998SYi Kong                                 ISAME( 9 ) = BLS.EQ.BETA
699*1858f998SYi Kong                                 IF( NULL )THEN
700*1858f998SYi Kong                                    ISAME( 10 ) = LZE( YS, YY, LY )
701*1858f998SYi Kong                                 ELSE
702*1858f998SYi Kong                                    ISAME( 10 ) = LZERES( 'ge', ' ', 1,
703*1858f998SYi Kong     $                                            ML, YS, YY,
704*1858f998SYi Kong     $                                            ABS( INCY ) )
705*1858f998SYi Kong                                 END IF
706*1858f998SYi Kong                                 ISAME( 11 ) = INCYS.EQ.INCY
707*1858f998SYi Kong                              ELSE IF( BANDED )THEN
708*1858f998SYi Kong                                 ISAME( 4 ) = KLS.EQ.KL
709*1858f998SYi Kong                                 ISAME( 5 ) = KUS.EQ.KU
710*1858f998SYi Kong                                 ISAME( 6 ) = ALS.EQ.ALPHA
711*1858f998SYi Kong                                 ISAME( 7 ) = LZE( AS, AA, LAA )
712*1858f998SYi Kong                                 ISAME( 8 ) = LDAS.EQ.LDA
713*1858f998SYi Kong                                 ISAME( 9 ) = LZE( XS, XX, LX )
714*1858f998SYi Kong                                 ISAME( 10 ) = INCXS.EQ.INCX
715*1858f998SYi Kong                                 ISAME( 11 ) = BLS.EQ.BETA
716*1858f998SYi Kong                                 IF( NULL )THEN
717*1858f998SYi Kong                                    ISAME( 12 ) = LZE( YS, YY, LY )
718*1858f998SYi Kong                                 ELSE
719*1858f998SYi Kong                                    ISAME( 12 ) = LZERES( 'ge', ' ', 1,
720*1858f998SYi Kong     $                                            ML, YS, YY,
721*1858f998SYi Kong     $                                            ABS( INCY ) )
722*1858f998SYi Kong                                 END IF
723*1858f998SYi Kong                                 ISAME( 13 ) = INCYS.EQ.INCY
724*1858f998SYi Kong                              END IF
725*1858f998SYi Kong*
726*1858f998SYi Kong*                             If data was incorrectly changed, report
727*1858f998SYi Kong*                             and return.
728*1858f998SYi Kong*
729*1858f998SYi Kong                              SAME = .TRUE.
730*1858f998SYi Kong                              DO 40 I = 1, NARGS
731*1858f998SYi Kong                                 SAME = SAME.AND.ISAME( I )
732*1858f998SYi Kong                                 IF( .NOT.ISAME( I ) )
733*1858f998SYi Kong     $                              WRITE( NOUT, FMT = 9998 )I
734*1858f998SYi Kong   40                         CONTINUE
735*1858f998SYi Kong                              IF( .NOT.SAME )THEN
736*1858f998SYi Kong                                 FATAL = .TRUE.
737*1858f998SYi Kong                                 GO TO 130
738*1858f998SYi Kong                              END IF
739*1858f998SYi Kong*
740*1858f998SYi Kong                              IF( .NOT.NULL )THEN
741*1858f998SYi Kong*
742*1858f998SYi Kong*                                Check the result.
743*1858f998SYi Kong*
744*1858f998SYi Kong                                 CALL ZMVCH( TRANS, M, N, ALPHA, A,
745*1858f998SYi Kong     $                                       NMAX, X, INCX, BETA, Y,
746*1858f998SYi Kong     $                                       INCY, YT, G, YY, EPS, ERR,
747*1858f998SYi Kong     $                                       FATAL, NOUT, .TRUE. )
748*1858f998SYi Kong                                 ERRMAX = MAX( ERRMAX, ERR )
749*1858f998SYi Kong*                                If got really bad answer, report and
750*1858f998SYi Kong*                                return.
751*1858f998SYi Kong                                 IF( FATAL )
752*1858f998SYi Kong     $                              GO TO 130
753*1858f998SYi Kong                              ELSE
754*1858f998SYi Kong*                                Avoid repeating tests with M.le.0 or
755*1858f998SYi Kong*                                N.le.0.
756*1858f998SYi Kong                                 GO TO 110
757*1858f998SYi Kong                              END IF
758*1858f998SYi Kong*                          END IF
759*1858f998SYi Kong*
760*1858f998SYi Kong   50                      CONTINUE
761*1858f998SYi Kong*
762*1858f998SYi Kong   60                   CONTINUE
763*1858f998SYi Kong*
764*1858f998SYi Kong   70                CONTINUE
765*1858f998SYi Kong*
766*1858f998SYi Kong   80             CONTINUE
767*1858f998SYi Kong*
768*1858f998SYi Kong   90          CONTINUE
769*1858f998SYi Kong*
770*1858f998SYi Kong  100       CONTINUE
771*1858f998SYi Kong*
772*1858f998SYi Kong  110    CONTINUE
773*1858f998SYi Kong*
774*1858f998SYi Kong  120 CONTINUE
775*1858f998SYi Kong*
776*1858f998SYi Kong*     Report result.
777*1858f998SYi Kong*
778*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
779*1858f998SYi Kong         WRITE( NOUT, FMT = 9999 )SNAME, NC
780*1858f998SYi Kong      ELSE
781*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX
782*1858f998SYi Kong      END IF
783*1858f998SYi Kong      GO TO 140
784*1858f998SYi Kong*
785*1858f998SYi Kong  130 CONTINUE
786*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
787*1858f998SYi Kong      IF( FULL )THEN
788*1858f998SYi Kong         WRITE( NOUT, FMT = 9994 )NC, SNAME, CTRANS, M, N, ALPHA, LDA,
789*1858f998SYi Kong     $      INCX, BETA, INCY
790*1858f998SYi Kong      ELSE IF( BANDED )THEN
791*1858f998SYi Kong         WRITE( NOUT, FMT = 9995 )NC, SNAME, CTRANS, M, N, KL, KU,
792*1858f998SYi Kong     $      ALPHA, LDA, INCX, BETA, INCY
793*1858f998SYi Kong      END IF
794*1858f998SYi Kong*
795*1858f998SYi Kong  140 CONTINUE
796*1858f998SYi Kong      RETURN
797*1858f998SYi Kong*
798*1858f998SYi Kong 9999 FORMAT(' ',A12, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL',
799*1858f998SYi Kong     $      'S)' )
800*1858f998SYi Kong 9998 FORMAT(' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
801*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
802*1858f998SYi Kong 9997 FORMAT(' ',A12, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C',
803*1858f998SYi Kong     $      'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2,
804*1858f998SYi Kong     $      ' - SUSPECT *******' )
805*1858f998SYi Kong 9996 FORMAT( ' ******* ',A12, ' FAILED ON CALL NUMBER:' )
806*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ',A12, '(', A14, ',', 4( I3, ',' ), '(',
807*1858f998SYi Kong     $      F4.1, ',', F4.1, '), A,',/ 10x, I3, ', X,', I2, ',(',
808*1858f998SYi Kong     $      F4.1, ',', F4.1, '), Y,', I2, ') .' )
809*1858f998SYi Kong 9994 FORMAT( 1X, I6, ': ',A12, '(', A14, ',', 2( I3, ',' ), '(',
810*1858f998SYi Kong     $      F4.1, ',', F4.1, '), A,',/ 10x, I3, ', X,', I2, ',(',
811*1858f998SYi Kong     $       F4.1, ',', F4.1, '), Y,', I2, ') .' )
812*1858f998SYi Kong 9993 FORMAT(' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
813*1858f998SYi Kong     $      '******' )
814*1858f998SYi Kong*
815*1858f998SYi Kong*     End of ZCHK1.
816*1858f998SYi Kong*
817*1858f998SYi Kong      END
818*1858f998SYi Kong      SUBROUTINE ZCHK2( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
819*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NKB, KB, NALF, ALF, NBET,
820*1858f998SYi Kong     $                  BET, NINC, INC, NMAX, INCMAX, A, AA, AS, X, XX,
821*1858f998SYi Kong     $                  XS, Y, YY, YS, YT, G, IORDER )
822*1858f998SYi Kong*
823*1858f998SYi Kong*  Tests CHEMV, CHBMV and CHPMV.
824*1858f998SYi Kong*
825*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
826*1858f998SYi Kong*
827*1858f998SYi Kong*  -- Written on 10-August-1987.
828*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
829*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
830*1858f998SYi Kong*
831*1858f998SYi Kong*     .. Parameters ..
832*1858f998SYi Kong      COMPLEX*16         ZERO, HALF
833*1858f998SYi Kong      PARAMETER          ( ZERO = ( 0.0D0, 0.0D0 ),
834*1858f998SYi Kong     $                   HALF = ( 0.5D0, 0.0D0 ) )
835*1858f998SYi Kong      DOUBLE PRECISION   RZERO
836*1858f998SYi Kong      PARAMETER          ( RZERO = 0.0D0 )
837*1858f998SYi Kong*     .. Scalar Arguments ..
838*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
839*1858f998SYi Kong      INTEGER            INCMAX, NALF, NBET, NIDIM, NINC, NKB, NMAX,
840*1858f998SYi Kong     $                   NOUT, NTRA, IORDER
841*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
842*1858f998SYi Kong      CHARACTER*12       SNAME
843*1858f998SYi Kong*     .. Array Arguments ..
844*1858f998SYi Kong      COMPLEX*16         A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
845*1858f998SYi Kong     $                   AS( NMAX*NMAX ), BET( NBET ), X( NMAX ),
846*1858f998SYi Kong     $                   XS( NMAX*INCMAX ), XX( NMAX*INCMAX ),
847*1858f998SYi Kong     $                   Y( NMAX ), YS( NMAX*INCMAX ), YT( NMAX ),
848*1858f998SYi Kong     $                   YY( NMAX*INCMAX )
849*1858f998SYi Kong      DOUBLE PRECISION   G( NMAX )
850*1858f998SYi Kong      INTEGER            IDIM( NIDIM ), INC( NINC ), KB( NKB )
851*1858f998SYi Kong*     .. Local Scalars ..
852*1858f998SYi Kong      COMPLEX*16         ALPHA, ALS, BETA, BLS, TRANSL
853*1858f998SYi Kong      DOUBLE PRECISION   ERR, ERRMAX
854*1858f998SYi Kong      INTEGER            I, IA, IB, IC, IK, IN, INCX, INCXS, INCY,
855*1858f998SYi Kong     $                   INCYS, IX, IY, K, KS, LAA, LDA, LDAS, LX, LY,
856*1858f998SYi Kong     $                   N, NARGS, NC, NK, NS
857*1858f998SYi Kong      LOGICAL            BANDED, FULL, NULL, PACKED, RESET, SAME
858*1858f998SYi Kong      CHARACTER*1        UPLO, UPLOS
859*1858f998SYi Kong      CHARACTER*14       CUPLO
860*1858f998SYi Kong      CHARACTER*2        ICH
861*1858f998SYi Kong*     .. Local Arrays ..
862*1858f998SYi Kong      LOGICAL            ISAME( 13 )
863*1858f998SYi Kong*     .. External Functions ..
864*1858f998SYi Kong      LOGICAL            LZE, LZERES
865*1858f998SYi Kong      EXTERNAL           LZE, LZERES
866*1858f998SYi Kong*     .. External Subroutines ..
867*1858f998SYi Kong      EXTERNAL           CZHBMV, CZHEMV, CZHPMV, ZMAKE, ZMVCH
868*1858f998SYi Kong*     .. Intrinsic Functions ..
869*1858f998SYi Kong      INTRINSIC          ABS, MAX
870*1858f998SYi Kong*     .. Scalars in Common ..
871*1858f998SYi Kong      INTEGER            INFOT, NOUTC
872*1858f998SYi Kong      LOGICAL             OK
873*1858f998SYi Kong*     .. Common blocks ..
874*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
875*1858f998SYi Kong*     .. Data statements ..
876*1858f998SYi Kong      DATA               ICH/'UL'/
877*1858f998SYi Kong*     .. Executable Statements ..
878*1858f998SYi Kong      FULL = SNAME( 9: 9 ).EQ.'e'
879*1858f998SYi Kong      BANDED = SNAME( 9: 9 ).EQ.'b'
880*1858f998SYi Kong      PACKED = SNAME( 9: 9 ).EQ.'p'
881*1858f998SYi Kong*     Define the number of arguments.
882*1858f998SYi Kong      IF( FULL )THEN
883*1858f998SYi Kong         NARGS = 10
884*1858f998SYi Kong      ELSE IF( BANDED )THEN
885*1858f998SYi Kong         NARGS = 11
886*1858f998SYi Kong      ELSE IF( PACKED )THEN
887*1858f998SYi Kong         NARGS = 9
888*1858f998SYi Kong      END IF
889*1858f998SYi Kong*
890*1858f998SYi Kong      NC = 0
891*1858f998SYi Kong      RESET = .TRUE.
892*1858f998SYi Kong      ERRMAX = RZERO
893*1858f998SYi Kong*
894*1858f998SYi Kong      DO 110 IN = 1, NIDIM
895*1858f998SYi Kong         N = IDIM( IN )
896*1858f998SYi Kong*
897*1858f998SYi Kong         IF( BANDED )THEN
898*1858f998SYi Kong            NK = NKB
899*1858f998SYi Kong         ELSE
900*1858f998SYi Kong            NK = 1
901*1858f998SYi Kong         END IF
902*1858f998SYi Kong         DO 100 IK = 1, NK
903*1858f998SYi Kong            IF( BANDED )THEN
904*1858f998SYi Kong               K = KB( IK )
905*1858f998SYi Kong            ELSE
906*1858f998SYi Kong               K = N - 1
907*1858f998SYi Kong            END IF
908*1858f998SYi Kong*           Set LDA to 1 more than minimum value if room.
909*1858f998SYi Kong            IF( BANDED )THEN
910*1858f998SYi Kong               LDA = K + 1
911*1858f998SYi Kong            ELSE
912*1858f998SYi Kong               LDA = N
913*1858f998SYi Kong            END IF
914*1858f998SYi Kong            IF( LDA.LT.NMAX )
915*1858f998SYi Kong     $         LDA = LDA + 1
916*1858f998SYi Kong*           Skip tests if not enough room.
917*1858f998SYi Kong            IF( LDA.GT.NMAX )
918*1858f998SYi Kong     $         GO TO 100
919*1858f998SYi Kong            IF( PACKED )THEN
920*1858f998SYi Kong               LAA = ( N*( N + 1 ) )/2
921*1858f998SYi Kong            ELSE
922*1858f998SYi Kong               LAA = LDA*N
923*1858f998SYi Kong            END IF
924*1858f998SYi Kong            NULL = N.LE.0
925*1858f998SYi Kong*
926*1858f998SYi Kong            DO 90 IC = 1, 2
927*1858f998SYi Kong               UPLO = ICH( IC: IC )
928*1858f998SYi Kong               IF (UPLO.EQ.'U')THEN
929*1858f998SYi Kong                  CUPLO = '    CblasUpper'
930*1858f998SYi Kong               ELSE
931*1858f998SYi Kong                  CUPLO = '    CblasLower'
932*1858f998SYi Kong               END IF
933*1858f998SYi Kong*
934*1858f998SYi Kong*              Generate the matrix A.
935*1858f998SYi Kong*
936*1858f998SYi Kong               TRANSL = ZERO
937*1858f998SYi Kong               CALL ZMAKE( SNAME( 8: 9 ), UPLO, ' ', N, N, A, NMAX, AA,
938*1858f998SYi Kong     $                     LDA, K, K, RESET, TRANSL )
939*1858f998SYi Kong*
940*1858f998SYi Kong               DO 80 IX = 1, NINC
941*1858f998SYi Kong                  INCX = INC( IX )
942*1858f998SYi Kong                  LX = ABS( INCX )*N
943*1858f998SYi Kong*
944*1858f998SYi Kong*                 Generate the vector X.
945*1858f998SYi Kong*
946*1858f998SYi Kong                  TRANSL = HALF
947*1858f998SYi Kong                  CALL ZMAKE( 'ge', ' ', ' ', 1, N, X, 1, XX,
948*1858f998SYi Kong     $                        ABS( INCX ), 0, N - 1, RESET, TRANSL )
949*1858f998SYi Kong                  IF( N.GT.1 )THEN
950*1858f998SYi Kong                     X( N/2 ) = ZERO
951*1858f998SYi Kong                     XX( 1 + ABS( INCX )*( N/2 - 1 ) ) = ZERO
952*1858f998SYi Kong                  END IF
953*1858f998SYi Kong*
954*1858f998SYi Kong                  DO 70 IY = 1, NINC
955*1858f998SYi Kong                     INCY = INC( IY )
956*1858f998SYi Kong                     LY = ABS( INCY )*N
957*1858f998SYi Kong*
958*1858f998SYi Kong                     DO 60 IA = 1, NALF
959*1858f998SYi Kong                        ALPHA = ALF( IA )
960*1858f998SYi Kong*
961*1858f998SYi Kong                        DO 50 IB = 1, NBET
962*1858f998SYi Kong                           BETA = BET( IB )
963*1858f998SYi Kong*
964*1858f998SYi Kong*                          Generate the vector Y.
965*1858f998SYi Kong*
966*1858f998SYi Kong                           TRANSL = ZERO
967*1858f998SYi Kong                           CALL ZMAKE( 'ge', ' ', ' ', 1, N, Y, 1, YY,
968*1858f998SYi Kong     $                                 ABS( INCY ), 0, N - 1, RESET,
969*1858f998SYi Kong     $                                 TRANSL )
970*1858f998SYi Kong*
971*1858f998SYi Kong                           NC = NC + 1
972*1858f998SYi Kong*
973*1858f998SYi Kong*                          Save every datum before calling the
974*1858f998SYi Kong*                          subroutine.
975*1858f998SYi Kong*
976*1858f998SYi Kong                           UPLOS = UPLO
977*1858f998SYi Kong                           NS = N
978*1858f998SYi Kong                           KS = K
979*1858f998SYi Kong                           ALS = ALPHA
980*1858f998SYi Kong                           DO 10 I = 1, LAA
981*1858f998SYi Kong                              AS( I ) = AA( I )
982*1858f998SYi Kong   10                      CONTINUE
983*1858f998SYi Kong                           LDAS = LDA
984*1858f998SYi Kong                           DO 20 I = 1, LX
985*1858f998SYi Kong                              XS( I ) = XX( I )
986*1858f998SYi Kong   20                      CONTINUE
987*1858f998SYi Kong                           INCXS = INCX
988*1858f998SYi Kong                           BLS = BETA
989*1858f998SYi Kong                           DO 30 I = 1, LY
990*1858f998SYi Kong                              YS( I ) = YY( I )
991*1858f998SYi Kong   30                      CONTINUE
992*1858f998SYi Kong                           INCYS = INCY
993*1858f998SYi Kong*
994*1858f998SYi Kong*                          Call the subroutine.
995*1858f998SYi Kong*
996*1858f998SYi Kong                           IF( FULL )THEN
997*1858f998SYi Kong                              IF( TRACE )
998*1858f998SYi Kong     $                           WRITE( NTRA, FMT = 9993 )NC, SNAME,
999*1858f998SYi Kong     $                           CUPLO, N, ALPHA, LDA, INCX, BETA, INCY
1000*1858f998SYi Kong                              IF( REWI )
1001*1858f998SYi Kong     $                           REWIND NTRA
1002*1858f998SYi Kong                              CALL CZHEMV( IORDER, UPLO, N, ALPHA, AA,
1003*1858f998SYi Kong     $                                    LDA, XX, INCX, BETA, YY,
1004*1858f998SYi Kong     $                                    INCY )
1005*1858f998SYi Kong                           ELSE IF( BANDED )THEN
1006*1858f998SYi Kong                              IF( TRACE )
1007*1858f998SYi Kong     $                           WRITE( NTRA, FMT = 9994 )NC, SNAME,
1008*1858f998SYi Kong     $                           CUPLO, N, K, ALPHA, LDA, INCX, BETA,
1009*1858f998SYi Kong     $                           INCY
1010*1858f998SYi Kong                              IF( REWI )
1011*1858f998SYi Kong     $                           REWIND NTRA
1012*1858f998SYi Kong                              CALL CZHBMV( IORDER, UPLO, N, K, ALPHA,
1013*1858f998SYi Kong     $                                    AA, LDA, XX, INCX, BETA,
1014*1858f998SYi Kong     $                                    YY, INCY )
1015*1858f998SYi Kong                           ELSE IF( PACKED )THEN
1016*1858f998SYi Kong                              IF( TRACE )
1017*1858f998SYi Kong     $                           WRITE( NTRA, FMT = 9995 )NC, SNAME,
1018*1858f998SYi Kong     $                           CUPLO, N, ALPHA, INCX, BETA, INCY
1019*1858f998SYi Kong                              IF( REWI )
1020*1858f998SYi Kong     $                           REWIND NTRA
1021*1858f998SYi Kong                              CALL CZHPMV( IORDER, UPLO, N, ALPHA, AA,
1022*1858f998SYi Kong     $                                    XX, INCX, BETA, YY, INCY )
1023*1858f998SYi Kong                           END IF
1024*1858f998SYi Kong*
1025*1858f998SYi Kong*                          Check if error-exit was taken incorrectly.
1026*1858f998SYi Kong*
1027*1858f998SYi Kong                           IF( .NOT.OK )THEN
1028*1858f998SYi Kong                              WRITE( NOUT, FMT = 9992 )
1029*1858f998SYi Kong                              FATAL = .TRUE.
1030*1858f998SYi Kong                              GO TO 120
1031*1858f998SYi Kong                           END IF
1032*1858f998SYi Kong*
1033*1858f998SYi Kong*                          See what data changed inside subroutines.
1034*1858f998SYi Kong*
1035*1858f998SYi Kong                           ISAME( 1 ) = UPLO.EQ.UPLOS
1036*1858f998SYi Kong                           ISAME( 2 ) = NS.EQ.N
1037*1858f998SYi Kong                           IF( FULL )THEN
1038*1858f998SYi Kong                              ISAME( 3 ) = ALS.EQ.ALPHA
1039*1858f998SYi Kong                              ISAME( 4 ) = LZE( AS, AA, LAA )
1040*1858f998SYi Kong                              ISAME( 5 ) = LDAS.EQ.LDA
1041*1858f998SYi Kong                              ISAME( 6 ) = LZE( XS, XX, LX )
1042*1858f998SYi Kong                              ISAME( 7 ) = INCXS.EQ.INCX
1043*1858f998SYi Kong                              ISAME( 8 ) = BLS.EQ.BETA
1044*1858f998SYi Kong                              IF( NULL )THEN
1045*1858f998SYi Kong                                 ISAME( 9 ) = LZE( YS, YY, LY )
1046*1858f998SYi Kong                              ELSE
1047*1858f998SYi Kong                                 ISAME( 9 ) = LZERES( 'ge', ' ', 1, N,
1048*1858f998SYi Kong     $                                        YS, YY, ABS( INCY ) )
1049*1858f998SYi Kong                              END IF
1050*1858f998SYi Kong                              ISAME( 10 ) = INCYS.EQ.INCY
1051*1858f998SYi Kong                           ELSE IF( BANDED )THEN
1052*1858f998SYi Kong                              ISAME( 3 ) = KS.EQ.K
1053*1858f998SYi Kong                              ISAME( 4 ) = ALS.EQ.ALPHA
1054*1858f998SYi Kong                              ISAME( 5 ) = LZE( AS, AA, LAA )
1055*1858f998SYi Kong                              ISAME( 6 ) = LDAS.EQ.LDA
1056*1858f998SYi Kong                              ISAME( 7 ) = LZE( XS, XX, LX )
1057*1858f998SYi Kong                              ISAME( 8 ) = INCXS.EQ.INCX
1058*1858f998SYi Kong                              ISAME( 9 ) = BLS.EQ.BETA
1059*1858f998SYi Kong                              IF( NULL )THEN
1060*1858f998SYi Kong                                 ISAME( 10 ) = LZE( YS, YY, LY )
1061*1858f998SYi Kong                              ELSE
1062*1858f998SYi Kong                                 ISAME( 10 ) = LZERES( 'ge', ' ', 1, N,
1063*1858f998SYi Kong     $                                         YS, YY, ABS( INCY ) )
1064*1858f998SYi Kong                              END IF
1065*1858f998SYi Kong                              ISAME( 11 ) = INCYS.EQ.INCY
1066*1858f998SYi Kong                           ELSE IF( PACKED )THEN
1067*1858f998SYi Kong                              ISAME( 3 ) = ALS.EQ.ALPHA
1068*1858f998SYi Kong                              ISAME( 4 ) = LZE( AS, AA, LAA )
1069*1858f998SYi Kong                              ISAME( 5 ) = LZE( XS, XX, LX )
1070*1858f998SYi Kong                              ISAME( 6 ) = INCXS.EQ.INCX
1071*1858f998SYi Kong                              ISAME( 7 ) = BLS.EQ.BETA
1072*1858f998SYi Kong                              IF( NULL )THEN
1073*1858f998SYi Kong                                 ISAME( 8 ) = LZE( YS, YY, LY )
1074*1858f998SYi Kong                              ELSE
1075*1858f998SYi Kong                                 ISAME( 8 ) = LZERES( 'ge', ' ', 1, N,
1076*1858f998SYi Kong     $                                        YS, YY, ABS( INCY ) )
1077*1858f998SYi Kong                              END IF
1078*1858f998SYi Kong                              ISAME( 9 ) = INCYS.EQ.INCY
1079*1858f998SYi Kong                           END IF
1080*1858f998SYi Kong*
1081*1858f998SYi Kong*                          If data was incorrectly changed, report and
1082*1858f998SYi Kong*                          return.
1083*1858f998SYi Kong*
1084*1858f998SYi Kong                           SAME = .TRUE.
1085*1858f998SYi Kong                           DO 40 I = 1, NARGS
1086*1858f998SYi Kong                              SAME = SAME.AND.ISAME( I )
1087*1858f998SYi Kong                              IF( .NOT.ISAME( I ) )
1088*1858f998SYi Kong     $                           WRITE( NOUT, FMT = 9998 )I
1089*1858f998SYi Kong   40                      CONTINUE
1090*1858f998SYi Kong                           IF( .NOT.SAME )THEN
1091*1858f998SYi Kong                              FATAL = .TRUE.
1092*1858f998SYi Kong                              GO TO 120
1093*1858f998SYi Kong                           END IF
1094*1858f998SYi Kong*
1095*1858f998SYi Kong                           IF( .NOT.NULL )THEN
1096*1858f998SYi Kong*
1097*1858f998SYi Kong*                             Check the result.
1098*1858f998SYi Kong*
1099*1858f998SYi Kong                              CALL ZMVCH( 'N', N, N, ALPHA, A, NMAX, X,
1100*1858f998SYi Kong     $                                    INCX, BETA, Y, INCY, YT, G,
1101*1858f998SYi Kong     $                                    YY, EPS, ERR, FATAL, NOUT,
1102*1858f998SYi Kong     $                                    .TRUE. )
1103*1858f998SYi Kong                              ERRMAX = MAX( ERRMAX, ERR )
1104*1858f998SYi Kong*                             If got really bad answer, report and
1105*1858f998SYi Kong*                             return.
1106*1858f998SYi Kong                              IF( FATAL )
1107*1858f998SYi Kong     $                           GO TO 120
1108*1858f998SYi Kong                           ELSE
1109*1858f998SYi Kong*                             Avoid repeating tests with N.le.0
1110*1858f998SYi Kong                              GO TO 110
1111*1858f998SYi Kong                           END IF
1112*1858f998SYi Kong*
1113*1858f998SYi Kong   50                   CONTINUE
1114*1858f998SYi Kong*
1115*1858f998SYi Kong   60                CONTINUE
1116*1858f998SYi Kong*
1117*1858f998SYi Kong   70             CONTINUE
1118*1858f998SYi Kong*
1119*1858f998SYi Kong   80          CONTINUE
1120*1858f998SYi Kong*
1121*1858f998SYi Kong   90       CONTINUE
1122*1858f998SYi Kong*
1123*1858f998SYi Kong  100    CONTINUE
1124*1858f998SYi Kong*
1125*1858f998SYi Kong  110 CONTINUE
1126*1858f998SYi Kong*
1127*1858f998SYi Kong*     Report result.
1128*1858f998SYi Kong*
1129*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
1130*1858f998SYi Kong         WRITE( NOUT, FMT = 9999 )SNAME, NC
1131*1858f998SYi Kong      ELSE
1132*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX
1133*1858f998SYi Kong      END IF
1134*1858f998SYi Kong      GO TO 130
1135*1858f998SYi Kong*
1136*1858f998SYi Kong  120 CONTINUE
1137*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
1138*1858f998SYi Kong      IF( FULL )THEN
1139*1858f998SYi Kong         WRITE( NOUT, FMT = 9993 )NC, SNAME, CUPLO, N, ALPHA, LDA, INCX,
1140*1858f998SYi Kong     $      BETA, INCY
1141*1858f998SYi Kong      ELSE IF( BANDED )THEN
1142*1858f998SYi Kong         WRITE( NOUT, FMT = 9994 )NC, SNAME, CUPLO, N, K, ALPHA, LDA,
1143*1858f998SYi Kong     $      INCX, BETA, INCY
1144*1858f998SYi Kong      ELSE IF( PACKED )THEN
1145*1858f998SYi Kong         WRITE( NOUT, FMT = 9995 )NC, SNAME, CUPLO, N, ALPHA, INCX,
1146*1858f998SYi Kong     $      BETA, INCY
1147*1858f998SYi Kong      END IF
1148*1858f998SYi Kong*
1149*1858f998SYi Kong  130 CONTINUE
1150*1858f998SYi Kong      RETURN
1151*1858f998SYi Kong*
1152*1858f998SYi Kong 9999 FORMAT(' ',A12, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL',
1153*1858f998SYi Kong     $      'S)' )
1154*1858f998SYi Kong 9998 FORMAT(' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
1155*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
1156*1858f998SYi Kong 9997 FORMAT(' ',A12, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C',
1157*1858f998SYi Kong     $      'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2,
1158*1858f998SYi Kong     $      ' - SUSPECT *******' )
1159*1858f998SYi Kong 9996 FORMAT( ' ******* ',A12, ' FAILED ON CALL NUMBER:' )
1160*1858f998SYi Kong 9995 FORMAT( 1X, I6, ': ',A12, '(', A14, ',', I3, ',(', F4.1, ',',
1161*1858f998SYi Kong     $      F4.1, '), AP, X,',/ 10x, I2, ',(', F4.1, ',', F4.1,
1162*1858f998SYi Kong     $      '), Y,', I2, ') .' )
1163*1858f998SYi Kong 9994 FORMAT( 1X, I6, ': ',A12, '(', A14, ',', 2( I3, ',' ), '(',
1164*1858f998SYi Kong     $      F4.1, ',', F4.1, '), A,', I3, ', X,',/ 10x, I2, ',(',
1165*1858f998SYi Kong     $      F4.1, ',', F4.1, '), Y,', I2, ') .' )
1166*1858f998SYi Kong 9993 FORMAT( 1X, I6, ': ',A12, '(', A14, ',', I3, ',(', F4.1, ',',
1167*1858f998SYi Kong     $     F4.1, '), A,', I3, ', X,',/ 10x, I2, ',(', F4.1, ',',
1168*1858f998SYi Kong     $     F4.1, '), ', 'Y,', I2, ') .' )
1169*1858f998SYi Kong 9992 FORMAT(' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
1170*1858f998SYi Kong     $      '******' )
1171*1858f998SYi Kong*
1172*1858f998SYi Kong*     End of CZHK2.
1173*1858f998SYi Kong*
1174*1858f998SYi Kong      END
1175*1858f998SYi Kong      SUBROUTINE ZCHK3( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
1176*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NKB, KB, NINC, INC, NMAX,
1177*1858f998SYi Kong     $                 INCMAX, A, AA, AS, X, XX, XS, XT, G, Z, IORDER )
1178*1858f998SYi Kong*
1179*1858f998SYi Kong*  Tests ZTRMV, ZTBMV, ZTPMV, ZTRSV, ZTBSV and ZTPSV.
1180*1858f998SYi Kong*
1181*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
1182*1858f998SYi Kong*
1183*1858f998SYi Kong*  -- Written on 10-August-1987.
1184*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
1185*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
1186*1858f998SYi Kong*
1187*1858f998SYi Kong*     .. Parameters ..
1188*1858f998SYi Kong      COMPLEX*16         ZERO, HALF, ONE
1189*1858f998SYi Kong      PARAMETER          ( ZERO = ( 0.0D0, 0.0D0 ),
1190*1858f998SYi Kong     $                   HALF = ( 0.5D0, 0.0D0 ),
1191*1858f998SYi Kong     $                   ONE = ( 1.0D0, 0.0D0 ) )
1192*1858f998SYi Kong      DOUBLE PRECISION   RZERO
1193*1858f998SYi Kong      PARAMETER          ( RZERO = 0.0D0 )
1194*1858f998SYi Kong*     .. Scalar Arguments ..
1195*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
1196*1858f998SYi Kong      INTEGER            INCMAX, NIDIM, NINC, NKB, NMAX, NOUT, NTRA,
1197*1858f998SYi Kong     $                   IORDER
1198*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
1199*1858f998SYi Kong      CHARACTER*12       SNAME
1200*1858f998SYi Kong*     .. Array Arguments ..
1201*1858f998SYi Kong      COMPLEX*16         A( NMAX, NMAX ), AA( NMAX*NMAX ),
1202*1858f998SYi Kong     $                   AS( NMAX*NMAX ), X( NMAX ), XS( NMAX*INCMAX ),
1203*1858f998SYi Kong     $                   XT( NMAX ), XX( NMAX*INCMAX ), Z( NMAX )
1204*1858f998SYi Kong      DOUBLE PRECISION   G( NMAX )
1205*1858f998SYi Kong      INTEGER            IDIM( NIDIM ), INC( NINC ), KB( NKB )
1206*1858f998SYi Kong*     .. Local Scalars ..
1207*1858f998SYi Kong      COMPLEX*16         TRANSL
1208*1858f998SYi Kong      DOUBLE PRECISION   ERR, ERRMAX
1209*1858f998SYi Kong      INTEGER            I, ICD, ICT, ICU, IK, IN, INCX, INCXS, IX, K,
1210*1858f998SYi Kong     $                   KS, LAA, LDA, LDAS, LX, N, NARGS, NC, NK, NS
1211*1858f998SYi Kong      LOGICAL            BANDED, FULL, NULL, PACKED, RESET, SAME
1212*1858f998SYi Kong      CHARACTER*1        DIAG, DIAGS, TRANS, TRANSS, UPLO, UPLOS
1213*1858f998SYi Kong      CHARACTER*14       CUPLO,CTRANS,CDIAG
1214*1858f998SYi Kong      CHARACTER*2        ICHD, ICHU
1215*1858f998SYi Kong      CHARACTER*3        ICHT
1216*1858f998SYi Kong*     .. Local Arrays ..
1217*1858f998SYi Kong      LOGICAL            ISAME( 13 )
1218*1858f998SYi Kong*     .. External Functions ..
1219*1858f998SYi Kong      LOGICAL            LZE, LZERES
1220*1858f998SYi Kong      EXTERNAL           LZE, LZERES
1221*1858f998SYi Kong*     .. External Subroutines ..
1222*1858f998SYi Kong      EXTERNAL           ZMAKE, ZMVCH, CZTBMV, CZTBSV, CZTPMV,
1223*1858f998SYi Kong     $                   CZTPSV, CZTRMV, CZTRSV
1224*1858f998SYi Kong*     .. Intrinsic Functions ..
1225*1858f998SYi Kong      INTRINSIC          ABS, MAX
1226*1858f998SYi Kong*     .. Scalars in Common ..
1227*1858f998SYi Kong      INTEGER            INFOT, NOUTC
1228*1858f998SYi Kong      LOGICAL             OK
1229*1858f998SYi Kong*     .. Common blocks ..
1230*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
1231*1858f998SYi Kong*     .. Data statements ..
1232*1858f998SYi Kong      DATA               ICHU/'UL'/, ICHT/'NTC'/, ICHD/'UN'/
1233*1858f998SYi Kong*     .. Executable Statements ..
1234*1858f998SYi Kong      FULL = SNAME( 9: 9 ).EQ.'r'
1235*1858f998SYi Kong      BANDED = SNAME( 9: 9 ).EQ.'b'
1236*1858f998SYi Kong      PACKED = SNAME( 9: 9 ).EQ.'p'
1237*1858f998SYi Kong*     Define the number of arguments.
1238*1858f998SYi Kong      IF( FULL )THEN
1239*1858f998SYi Kong         NARGS = 8
1240*1858f998SYi Kong      ELSE IF( BANDED )THEN
1241*1858f998SYi Kong         NARGS = 9
1242*1858f998SYi Kong      ELSE IF( PACKED )THEN
1243*1858f998SYi Kong         NARGS = 7
1244*1858f998SYi Kong      END IF
1245*1858f998SYi Kong*
1246*1858f998SYi Kong      NC = 0
1247*1858f998SYi Kong      RESET = .TRUE.
1248*1858f998SYi Kong      ERRMAX = RZERO
1249*1858f998SYi Kong*     Set up zero vector for ZMVCH.
1250*1858f998SYi Kong      DO 10 I = 1, NMAX
1251*1858f998SYi Kong         Z( I ) = ZERO
1252*1858f998SYi Kong   10 CONTINUE
1253*1858f998SYi Kong*
1254*1858f998SYi Kong      DO 110 IN = 1, NIDIM
1255*1858f998SYi Kong         N = IDIM( IN )
1256*1858f998SYi Kong*
1257*1858f998SYi Kong         IF( BANDED )THEN
1258*1858f998SYi Kong            NK = NKB
1259*1858f998SYi Kong         ELSE
1260*1858f998SYi Kong            NK = 1
1261*1858f998SYi Kong         END IF
1262*1858f998SYi Kong         DO 100 IK = 1, NK
1263*1858f998SYi Kong            IF( BANDED )THEN
1264*1858f998SYi Kong               K = KB( IK )
1265*1858f998SYi Kong            ELSE
1266*1858f998SYi Kong               K = N - 1
1267*1858f998SYi Kong            END IF
1268*1858f998SYi Kong*           Set LDA to 1 more than minimum value if room.
1269*1858f998SYi Kong            IF( BANDED )THEN
1270*1858f998SYi Kong               LDA = K + 1
1271*1858f998SYi Kong            ELSE
1272*1858f998SYi Kong               LDA = N
1273*1858f998SYi Kong            END IF
1274*1858f998SYi Kong            IF( LDA.LT.NMAX )
1275*1858f998SYi Kong     $         LDA = LDA + 1
1276*1858f998SYi Kong*           Skip tests if not enough room.
1277*1858f998SYi Kong            IF( LDA.GT.NMAX )
1278*1858f998SYi Kong     $         GO TO 100
1279*1858f998SYi Kong            IF( PACKED )THEN
1280*1858f998SYi Kong               LAA = ( N*( N + 1 ) )/2
1281*1858f998SYi Kong            ELSE
1282*1858f998SYi Kong               LAA = LDA*N
1283*1858f998SYi Kong            END IF
1284*1858f998SYi Kong            NULL = N.LE.0
1285*1858f998SYi Kong*
1286*1858f998SYi Kong            DO 90 ICU = 1, 2
1287*1858f998SYi Kong               UPLO = ICHU( ICU: ICU )
1288*1858f998SYi Kong               IF (UPLO.EQ.'U')THEN
1289*1858f998SYi Kong                  CUPLO = '    CblasUpper'
1290*1858f998SYi Kong               ELSE
1291*1858f998SYi Kong                  CUPLO = '    CblasLower'
1292*1858f998SYi Kong               END IF
1293*1858f998SYi Kong*
1294*1858f998SYi Kong               DO 80 ICT = 1, 3
1295*1858f998SYi Kong                  TRANS = ICHT( ICT: ICT )
1296*1858f998SYi Kong                  IF (TRANS.EQ.'N')THEN
1297*1858f998SYi Kong                     CTRANS = '  CblasNoTrans'
1298*1858f998SYi Kong                  ELSE IF (TRANS.EQ.'T')THEN
1299*1858f998SYi Kong                     CTRANS = '    CblasTrans'
1300*1858f998SYi Kong                  ELSE
1301*1858f998SYi Kong                     CTRANS = 'CblasConjTrans'
1302*1858f998SYi Kong                  END IF
1303*1858f998SYi Kong*
1304*1858f998SYi Kong                  DO 70 ICD = 1, 2
1305*1858f998SYi Kong                     DIAG = ICHD( ICD: ICD )
1306*1858f998SYi Kong                     IF (DIAG.EQ.'N')THEN
1307*1858f998SYi Kong                        CDIAG = '  CblasNonUnit'
1308*1858f998SYi Kong                     ELSE
1309*1858f998SYi Kong                        CDIAG = '     CblasUnit'
1310*1858f998SYi Kong                     END IF
1311*1858f998SYi Kong*
1312*1858f998SYi Kong*                    Generate the matrix A.
1313*1858f998SYi Kong*
1314*1858f998SYi Kong                     TRANSL = ZERO
1315*1858f998SYi Kong                     CALL ZMAKE( SNAME( 8: 9 ), UPLO, DIAG, N, N, A,
1316*1858f998SYi Kong     $                           NMAX, AA, LDA, K, K, RESET, TRANSL )
1317*1858f998SYi Kong*
1318*1858f998SYi Kong                     DO 60 IX = 1, NINC
1319*1858f998SYi Kong                        INCX = INC( IX )
1320*1858f998SYi Kong                        LX = ABS( INCX )*N
1321*1858f998SYi Kong*
1322*1858f998SYi Kong*                       Generate the vector X.
1323*1858f998SYi Kong*
1324*1858f998SYi Kong                        TRANSL = HALF
1325*1858f998SYi Kong                        CALL ZMAKE( 'ge', ' ', ' ', 1, N, X, 1, XX,
1326*1858f998SYi Kong     $                              ABS( INCX ), 0, N - 1, RESET,
1327*1858f998SYi Kong     $                              TRANSL )
1328*1858f998SYi Kong                        IF( N.GT.1 )THEN
1329*1858f998SYi Kong                           X( N/2 ) = ZERO
1330*1858f998SYi Kong                           XX( 1 + ABS( INCX )*( N/2 - 1 ) ) = ZERO
1331*1858f998SYi Kong                        END IF
1332*1858f998SYi Kong*
1333*1858f998SYi Kong                        NC = NC + 1
1334*1858f998SYi Kong*
1335*1858f998SYi Kong*                       Save every datum before calling the subroutine.
1336*1858f998SYi Kong*
1337*1858f998SYi Kong                        UPLOS = UPLO
1338*1858f998SYi Kong                        TRANSS = TRANS
1339*1858f998SYi Kong                        DIAGS = DIAG
1340*1858f998SYi Kong                        NS = N
1341*1858f998SYi Kong                        KS = K
1342*1858f998SYi Kong                        DO 20 I = 1, LAA
1343*1858f998SYi Kong                           AS( I ) = AA( I )
1344*1858f998SYi Kong   20                   CONTINUE
1345*1858f998SYi Kong                        LDAS = LDA
1346*1858f998SYi Kong                        DO 30 I = 1, LX
1347*1858f998SYi Kong                           XS( I ) = XX( I )
1348*1858f998SYi Kong   30                   CONTINUE
1349*1858f998SYi Kong                        INCXS = INCX
1350*1858f998SYi Kong*
1351*1858f998SYi Kong*                       Call the subroutine.
1352*1858f998SYi Kong*
1353*1858f998SYi Kong                        IF( SNAME( 4: 5 ).EQ.'mv' )THEN
1354*1858f998SYi Kong                           IF( FULL )THEN
1355*1858f998SYi Kong                              IF( TRACE )
1356*1858f998SYi Kong     $                           WRITE( NTRA, FMT = 9993 )NC, SNAME,
1357*1858f998SYi Kong     $                           CUPLO, CTRANS, CDIAG, N, LDA, INCX
1358*1858f998SYi Kong                              IF( REWI )
1359*1858f998SYi Kong     $                           REWIND NTRA
1360*1858f998SYi Kong                              CALL CZTRMV( IORDER, UPLO, TRANS, DIAG,
1361*1858f998SYi Kong     $                                    N, AA, LDA, XX, INCX )
1362*1858f998SYi Kong                           ELSE IF( BANDED )THEN
1363*1858f998SYi Kong                              IF( TRACE )
1364*1858f998SYi Kong     $                           WRITE( NTRA, FMT = 9994 )NC, SNAME,
1365*1858f998SYi Kong     $                           CUPLO, CTRANS, CDIAG, N, K, LDA, INCX
1366*1858f998SYi Kong                              IF( REWI )
1367*1858f998SYi Kong     $                           REWIND NTRA
1368*1858f998SYi Kong                              CALL CZTBMV( IORDER, UPLO, TRANS, DIAG,
1369*1858f998SYi Kong     $                                    N, K, AA, LDA, XX, INCX )
1370*1858f998SYi Kong                           ELSE IF( PACKED )THEN
1371*1858f998SYi Kong                              IF( TRACE )
1372*1858f998SYi Kong     $                           WRITE( NTRA, FMT = 9995 )NC, SNAME,
1373*1858f998SYi Kong     $                           CUPLO, CTRANS, CDIAG, N, INCX
1374*1858f998SYi Kong                              IF( REWI )
1375*1858f998SYi Kong     $                           REWIND NTRA
1376*1858f998SYi Kong                              CALL CZTPMV( IORDER, UPLO, TRANS, DIAG,
1377*1858f998SYi Kong     $                                    N, AA, XX, INCX )
1378*1858f998SYi Kong                           END IF
1379*1858f998SYi Kong                        ELSE IF( SNAME( 4: 5 ).EQ.'sv' )THEN
1380*1858f998SYi Kong                           IF( FULL )THEN
1381*1858f998SYi Kong                              IF( TRACE )
1382*1858f998SYi Kong     $                           WRITE( NTRA, FMT = 9993 )NC, SNAME,
1383*1858f998SYi Kong     $                           CUPLO, CTRANS, CDIAG, N, LDA, INCX
1384*1858f998SYi Kong                              IF( REWI )
1385*1858f998SYi Kong     $                           REWIND NTRA
1386*1858f998SYi Kong                              CALL CZTRSV( IORDER, UPLO, TRANS, DIAG,
1387*1858f998SYi Kong     $                                    N, AA, LDA, XX, INCX )
1388*1858f998SYi Kong                           ELSE IF( BANDED )THEN
1389*1858f998SYi Kong                              IF( TRACE )
1390*1858f998SYi Kong     $                           WRITE( NTRA, FMT = 9994 )NC, SNAME,
1391*1858f998SYi Kong     $                           CUPLO, CTRANS, CDIAG, N, K, LDA, INCX
1392*1858f998SYi Kong                              IF( REWI )
1393*1858f998SYi Kong     $                           REWIND NTRA
1394*1858f998SYi Kong                              CALL CZTBSV( IORDER, UPLO, TRANS, DIAG,
1395*1858f998SYi Kong     $                                    N, K, AA, LDA, XX, INCX )
1396*1858f998SYi Kong                           ELSE IF( PACKED )THEN
1397*1858f998SYi Kong                              IF( TRACE )
1398*1858f998SYi Kong     $                           WRITE( NTRA, FMT = 9995 )NC, SNAME,
1399*1858f998SYi Kong     $                           CUPLO, CTRANS, CDIAG, N, INCX
1400*1858f998SYi Kong                              IF( REWI )
1401*1858f998SYi Kong     $                           REWIND NTRA
1402*1858f998SYi Kong                              CALL CZTPSV( IORDER, UPLO, TRANS, DIAG,
1403*1858f998SYi Kong     $                                    N, AA, XX, INCX )
1404*1858f998SYi Kong                           END IF
1405*1858f998SYi Kong                        END IF
1406*1858f998SYi Kong*
1407*1858f998SYi Kong*                       Check if error-exit was taken incorrectly.
1408*1858f998SYi Kong*
1409*1858f998SYi Kong                        IF( .NOT.OK )THEN
1410*1858f998SYi Kong                           WRITE( NOUT, FMT = 9992 )
1411*1858f998SYi Kong                           FATAL = .TRUE.
1412*1858f998SYi Kong                           GO TO 120
1413*1858f998SYi Kong                        END IF
1414*1858f998SYi Kong*
1415*1858f998SYi Kong*                       See what data changed inside subroutines.
1416*1858f998SYi Kong*
1417*1858f998SYi Kong                        ISAME( 1 ) = UPLO.EQ.UPLOS
1418*1858f998SYi Kong                        ISAME( 2 ) = TRANS.EQ.TRANSS
1419*1858f998SYi Kong                        ISAME( 3 ) = DIAG.EQ.DIAGS
1420*1858f998SYi Kong                        ISAME( 4 ) = NS.EQ.N
1421*1858f998SYi Kong                        IF( FULL )THEN
1422*1858f998SYi Kong                           ISAME( 5 ) = LZE( AS, AA, LAA )
1423*1858f998SYi Kong                           ISAME( 6 ) = LDAS.EQ.LDA
1424*1858f998SYi Kong                           IF( NULL )THEN
1425*1858f998SYi Kong                              ISAME( 7 ) = LZE( XS, XX, LX )
1426*1858f998SYi Kong                           ELSE
1427*1858f998SYi Kong                              ISAME( 7 ) = LZERES( 'ge', ' ', 1, N, XS,
1428*1858f998SYi Kong     $                                     XX, ABS( INCX ) )
1429*1858f998SYi Kong                           END IF
1430*1858f998SYi Kong                           ISAME( 8 ) = INCXS.EQ.INCX
1431*1858f998SYi Kong                        ELSE IF( BANDED )THEN
1432*1858f998SYi Kong                           ISAME( 5 ) = KS.EQ.K
1433*1858f998SYi Kong                           ISAME( 6 ) = LZE( AS, AA, LAA )
1434*1858f998SYi Kong                           ISAME( 7 ) = LDAS.EQ.LDA
1435*1858f998SYi Kong                           IF( NULL )THEN
1436*1858f998SYi Kong                              ISAME( 8 ) = LZE( XS, XX, LX )
1437*1858f998SYi Kong                           ELSE
1438*1858f998SYi Kong                              ISAME( 8 ) = LZERES( 'ge', ' ', 1, N, XS,
1439*1858f998SYi Kong     $                                     XX, ABS( INCX ) )
1440*1858f998SYi Kong                           END IF
1441*1858f998SYi Kong                           ISAME( 9 ) = INCXS.EQ.INCX
1442*1858f998SYi Kong                        ELSE IF( PACKED )THEN
1443*1858f998SYi Kong                           ISAME( 5 ) = LZE( AS, AA, LAA )
1444*1858f998SYi Kong                           IF( NULL )THEN
1445*1858f998SYi Kong                              ISAME( 6 ) = LZE( XS, XX, LX )
1446*1858f998SYi Kong                           ELSE
1447*1858f998SYi Kong                              ISAME( 6 ) = LZERES( 'ge', ' ', 1, N, XS,
1448*1858f998SYi Kong     $                                     XX, ABS( INCX ) )
1449*1858f998SYi Kong                           END IF
1450*1858f998SYi Kong                           ISAME( 7 ) = INCXS.EQ.INCX
1451*1858f998SYi Kong                        END IF
1452*1858f998SYi Kong*
1453*1858f998SYi Kong*                       If data was incorrectly changed, report and
1454*1858f998SYi Kong*                       return.
1455*1858f998SYi Kong*
1456*1858f998SYi Kong                        SAME = .TRUE.
1457*1858f998SYi Kong                        DO 40 I = 1, NARGS
1458*1858f998SYi Kong                           SAME = SAME.AND.ISAME( I )
1459*1858f998SYi Kong                           IF( .NOT.ISAME( I ) )
1460*1858f998SYi Kong     $                        WRITE( NOUT, FMT = 9998 )I
1461*1858f998SYi Kong   40                   CONTINUE
1462*1858f998SYi Kong                        IF( .NOT.SAME )THEN
1463*1858f998SYi Kong                           FATAL = .TRUE.
1464*1858f998SYi Kong                           GO TO 120
1465*1858f998SYi Kong                        END IF
1466*1858f998SYi Kong*
1467*1858f998SYi Kong                        IF( .NOT.NULL )THEN
1468*1858f998SYi Kong                           IF( SNAME( 4: 5 ).EQ.'mv' )THEN
1469*1858f998SYi Kong*
1470*1858f998SYi Kong*                             Check the result.
1471*1858f998SYi Kong*
1472*1858f998SYi Kong                              CALL ZMVCH( TRANS, N, N, ONE, A, NMAX, X,
1473*1858f998SYi Kong     $                                    INCX, ZERO, Z, INCX, XT, G,
1474*1858f998SYi Kong     $                                    XX, EPS, ERR, FATAL, NOUT,
1475*1858f998SYi Kong     $                                    .TRUE. )
1476*1858f998SYi Kong                           ELSE IF( SNAME( 4: 5 ).EQ.'sv' )THEN
1477*1858f998SYi Kong*
1478*1858f998SYi Kong*                             Compute approximation to original vector.
1479*1858f998SYi Kong*
1480*1858f998SYi Kong                              DO 50 I = 1, N
1481*1858f998SYi Kong                                 Z( I ) = XX( 1 + ( I - 1 )*
1482*1858f998SYi Kong     $                                    ABS( INCX ) )
1483*1858f998SYi Kong                                 XX( 1 + ( I - 1 )*ABS( INCX ) )
1484*1858f998SYi Kong     $                              = X( I )
1485*1858f998SYi Kong   50                         CONTINUE
1486*1858f998SYi Kong                              CALL ZMVCH( TRANS, N, N, ONE, A, NMAX, Z,
1487*1858f998SYi Kong     $                                    INCX, ZERO, X, INCX, XT, G,
1488*1858f998SYi Kong     $                                    XX, EPS, ERR, FATAL, NOUT,
1489*1858f998SYi Kong     $                                    .FALSE. )
1490*1858f998SYi Kong                           END IF
1491*1858f998SYi Kong                           ERRMAX = MAX( ERRMAX, ERR )
1492*1858f998SYi Kong*                          If got really bad answer, report and return.
1493*1858f998SYi Kong                           IF( FATAL )
1494*1858f998SYi Kong     $                        GO TO 120
1495*1858f998SYi Kong                        ELSE
1496*1858f998SYi Kong*                          Avoid repeating tests with N.le.0.
1497*1858f998SYi Kong                           GO TO 110
1498*1858f998SYi Kong                        END IF
1499*1858f998SYi Kong*
1500*1858f998SYi Kong   60                CONTINUE
1501*1858f998SYi Kong*
1502*1858f998SYi Kong   70             CONTINUE
1503*1858f998SYi Kong*
1504*1858f998SYi Kong   80          CONTINUE
1505*1858f998SYi Kong*
1506*1858f998SYi Kong   90       CONTINUE
1507*1858f998SYi Kong*
1508*1858f998SYi Kong  100    CONTINUE
1509*1858f998SYi Kong*
1510*1858f998SYi Kong  110 CONTINUE
1511*1858f998SYi Kong*
1512*1858f998SYi Kong*     Report result.
1513*1858f998SYi Kong*
1514*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
1515*1858f998SYi Kong         WRITE( NOUT, FMT = 9999 )SNAME, NC
1516*1858f998SYi Kong      ELSE
1517*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX
1518*1858f998SYi Kong      END IF
1519*1858f998SYi Kong      GO TO 130
1520*1858f998SYi Kong*
1521*1858f998SYi Kong  120 CONTINUE
1522*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
1523*1858f998SYi Kong      IF( FULL )THEN
1524*1858f998SYi Kong         WRITE( NOUT, FMT = 9993 )NC, SNAME, CUPLO, CTRANS, CDIAG, N,
1525*1858f998SYi Kong     $          LDA, INCX
1526*1858f998SYi Kong      ELSE IF( BANDED )THEN
1527*1858f998SYi Kong         WRITE( NOUT, FMT = 9994 )NC, SNAME, CUPLO, CTRANS, CDIAG, N, K,
1528*1858f998SYi Kong     $      LDA, INCX
1529*1858f998SYi Kong      ELSE IF( PACKED )THEN
1530*1858f998SYi Kong         WRITE( NOUT, FMT = 9995 )NC, SNAME, CUPLO, CTRANS, CDIAG, N,
1531*1858f998SYi Kong     $          INCX
1532*1858f998SYi Kong      END IF
1533*1858f998SYi Kong*
1534*1858f998SYi Kong  130 CONTINUE
1535*1858f998SYi Kong      RETURN
1536*1858f998SYi Kong*
1537*1858f998SYi Kong 9999 FORMAT(' ',A12, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL',
1538*1858f998SYi Kong     $      'S)' )
1539*1858f998SYi Kong 9998 FORMAT(' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
1540*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
1541*1858f998SYi Kong 9997 FORMAT(' ',A12, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C',
1542*1858f998SYi Kong     $      'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2,
1543*1858f998SYi Kong     $      ' - SUSPECT *******' )
1544*1858f998SYi Kong 9996 FORMAT( ' ******* ',A12, ' FAILED ON CALL NUMBER:' )
1545*1858f998SYi Kong 9995 FORMAT(1X, I6, ': ',A12, '(', 3( A14, ',' ),/ 10x, I3, ', AP, ',
1546*1858f998SYi Kong     $      'X,', I2, ') .' )
1547*1858f998SYi Kong 9994 FORMAT(1X, I6, ': ',A12, '(', 3( A14, ',' ),/ 10x,  2( I3, ',' ),
1548*1858f998SYi Kong     $     ' A,', I3, ', X,', I2, ') .' )
1549*1858f998SYi Kong 9993 FORMAT( 1X, I6, ': ',A12, '(', 3( A14, ',' ),/ 10x, I3, ', A,',
1550*1858f998SYi Kong     $      I3, ', X,', I2, ') .' )
1551*1858f998SYi Kong 9992 FORMAT(' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
1552*1858f998SYi Kong     $      '******' )
1553*1858f998SYi Kong*
1554*1858f998SYi Kong*     End of ZCHK3.
1555*1858f998SYi Kong*
1556*1858f998SYi Kong      END
1557*1858f998SYi Kong      SUBROUTINE ZCHK4( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
1558*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC, NMAX,
1559*1858f998SYi Kong     $                  INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS, YT, G,
1560*1858f998SYi Kong     $                  Z, IORDER )
1561*1858f998SYi Kong*
1562*1858f998SYi Kong*  Tests ZGERC and ZGERU.
1563*1858f998SYi Kong*
1564*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
1565*1858f998SYi Kong*
1566*1858f998SYi Kong*  -- Written on 10-August-1987.
1567*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
1568*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
1569*1858f998SYi Kong*
1570*1858f998SYi Kong*     .. Parameters ..
1571*1858f998SYi Kong      COMPLEX*16         ZERO, HALF, ONE
1572*1858f998SYi Kong      PARAMETER          ( ZERO = ( 0.0D0, 0.0D0 ),
1573*1858f998SYi Kong     $                   HALF = ( 0.5D0, 0.0D0 ),
1574*1858f998SYi Kong     $                   ONE = ( 1.0D0, 0.0D0 ) )
1575*1858f998SYi Kong      DOUBLE PRECISION   RZERO
1576*1858f998SYi Kong      PARAMETER          ( RZERO = 0.0D0 )
1577*1858f998SYi Kong*     .. Scalar Arguments ..
1578*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
1579*1858f998SYi Kong      INTEGER            INCMAX, NALF, NIDIM, NINC, NMAX, NOUT, NTRA,
1580*1858f998SYi Kong     $                   IORDER
1581*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
1582*1858f998SYi Kong      CHARACTER*12       SNAME
1583*1858f998SYi Kong*     .. Array Arguments ..
1584*1858f998SYi Kong      COMPLEX*16         A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
1585*1858f998SYi Kong     $                   AS( NMAX*NMAX ), X( NMAX ), XS( NMAX*INCMAX ),
1586*1858f998SYi Kong     $                   XX( NMAX*INCMAX ), Y( NMAX ),
1587*1858f998SYi Kong     $                   YS( NMAX*INCMAX ), YT( NMAX ),
1588*1858f998SYi Kong     $                   YY( NMAX*INCMAX ), Z( NMAX )
1589*1858f998SYi Kong      DOUBLE PRECISION   G( NMAX )
1590*1858f998SYi Kong      INTEGER            IDIM( NIDIM ), INC( NINC )
1591*1858f998SYi Kong*     .. Local Scalars ..
1592*1858f998SYi Kong      COMPLEX*16         ALPHA, ALS, TRANSL
1593*1858f998SYi Kong      DOUBLE PRECISION   ERR, ERRMAX
1594*1858f998SYi Kong      INTEGER            I, IA, IM, IN, INCX, INCXS, INCY, INCYS, IX,
1595*1858f998SYi Kong     $                  IY, J, LAA, LDA, LDAS, LX, LY, M, MS, N, NARGS,
1596*1858f998SYi Kong     $                   NC, ND, NS
1597*1858f998SYi Kong      LOGICAL            CONJ, NULL, RESET, SAME
1598*1858f998SYi Kong*     .. Local Arrays ..
1599*1858f998SYi Kong      COMPLEX*16         W( 1 )
1600*1858f998SYi Kong      LOGICAL            ISAME( 13 )
1601*1858f998SYi Kong*     .. External Functions ..
1602*1858f998SYi Kong      LOGICAL            LZE, LZERES
1603*1858f998SYi Kong      EXTERNAL           LZE, LZERES
1604*1858f998SYi Kong*     .. External Subroutines ..
1605*1858f998SYi Kong      EXTERNAL           CZGERC, CZGERU, ZMAKE, ZMVCH
1606*1858f998SYi Kong*     .. Intrinsic Functions ..
1607*1858f998SYi Kong      INTRINSIC          ABS, DCONJG, MAX, MIN
1608*1858f998SYi Kong*     .. Scalars in Common ..
1609*1858f998SYi Kong      INTEGER            INFOT, NOUTC
1610*1858f998SYi Kong      LOGICAL             OK
1611*1858f998SYi Kong*     .. Common blocks ..
1612*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
1613*1858f998SYi Kong*     .. Executable Statements ..
1614*1858f998SYi Kong      CONJ = SNAME( 5: 5 ).EQ.'c'
1615*1858f998SYi Kong*     Define the number of arguments.
1616*1858f998SYi Kong      NARGS = 9
1617*1858f998SYi Kong*
1618*1858f998SYi Kong      NC = 0
1619*1858f998SYi Kong      RESET = .TRUE.
1620*1858f998SYi Kong      ERRMAX = RZERO
1621*1858f998SYi Kong*
1622*1858f998SYi Kong      DO 120 IN = 1, NIDIM
1623*1858f998SYi Kong         N = IDIM( IN )
1624*1858f998SYi Kong         ND = N/2 + 1
1625*1858f998SYi Kong*
1626*1858f998SYi Kong         DO 110 IM = 1, 2
1627*1858f998SYi Kong            IF( IM.EQ.1 )
1628*1858f998SYi Kong     $         M = MAX( N - ND, 0 )
1629*1858f998SYi Kong            IF( IM.EQ.2 )
1630*1858f998SYi Kong     $         M = MIN( N + ND, NMAX )
1631*1858f998SYi Kong*
1632*1858f998SYi Kong*           Set LDA to 1 more than minimum value if room.
1633*1858f998SYi Kong            LDA = M
1634*1858f998SYi Kong            IF( LDA.LT.NMAX )
1635*1858f998SYi Kong     $         LDA = LDA + 1
1636*1858f998SYi Kong*           Skip tests if not enough room.
1637*1858f998SYi Kong            IF( LDA.GT.NMAX )
1638*1858f998SYi Kong     $         GO TO 110
1639*1858f998SYi Kong            LAA = LDA*N
1640*1858f998SYi Kong            NULL = N.LE.0.OR.M.LE.0
1641*1858f998SYi Kong*
1642*1858f998SYi Kong            DO 100 IX = 1, NINC
1643*1858f998SYi Kong               INCX = INC( IX )
1644*1858f998SYi Kong               LX = ABS( INCX )*M
1645*1858f998SYi Kong*
1646*1858f998SYi Kong*              Generate the vector X.
1647*1858f998SYi Kong*
1648*1858f998SYi Kong               TRANSL = HALF
1649*1858f998SYi Kong               CALL ZMAKE( 'ge', ' ', ' ', 1, M, X, 1, XX, ABS( INCX ),
1650*1858f998SYi Kong     $                     0, M - 1, RESET, TRANSL )
1651*1858f998SYi Kong               IF( M.GT.1 )THEN
1652*1858f998SYi Kong                  X( M/2 ) = ZERO
1653*1858f998SYi Kong                  XX( 1 + ABS( INCX )*( M/2 - 1 ) ) = ZERO
1654*1858f998SYi Kong               END IF
1655*1858f998SYi Kong*
1656*1858f998SYi Kong               DO 90 IY = 1, NINC
1657*1858f998SYi Kong                  INCY = INC( IY )
1658*1858f998SYi Kong                  LY = ABS( INCY )*N
1659*1858f998SYi Kong*
1660*1858f998SYi Kong*                 Generate the vector Y.
1661*1858f998SYi Kong*
1662*1858f998SYi Kong                  TRANSL = ZERO
1663*1858f998SYi Kong                  CALL ZMAKE( 'ge', ' ', ' ', 1, N, Y, 1, YY,
1664*1858f998SYi Kong     $                        ABS( INCY ), 0, N - 1, RESET, TRANSL )
1665*1858f998SYi Kong                  IF( N.GT.1 )THEN
1666*1858f998SYi Kong                     Y( N/2 ) = ZERO
1667*1858f998SYi Kong                     YY( 1 + ABS( INCY )*( N/2 - 1 ) ) = ZERO
1668*1858f998SYi Kong                  END IF
1669*1858f998SYi Kong*
1670*1858f998SYi Kong                  DO 80 IA = 1, NALF
1671*1858f998SYi Kong                     ALPHA = ALF( IA )
1672*1858f998SYi Kong*
1673*1858f998SYi Kong*                    Generate the matrix A.
1674*1858f998SYi Kong*
1675*1858f998SYi Kong                     TRANSL = ZERO
1676*1858f998SYi Kong                     CALL ZMAKE(SNAME( 8: 9 ), ' ', ' ', M, N, A, NMAX,
1677*1858f998SYi Kong     $                           AA, LDA, M - 1, N - 1, RESET, TRANSL )
1678*1858f998SYi Kong*
1679*1858f998SYi Kong                     NC = NC + 1
1680*1858f998SYi Kong*
1681*1858f998SYi Kong*                    Save every datum before calling the subroutine.
1682*1858f998SYi Kong*
1683*1858f998SYi Kong                     MS = M
1684*1858f998SYi Kong                     NS = N
1685*1858f998SYi Kong                     ALS = ALPHA
1686*1858f998SYi Kong                     DO 10 I = 1, LAA
1687*1858f998SYi Kong                        AS( I ) = AA( I )
1688*1858f998SYi Kong   10                CONTINUE
1689*1858f998SYi Kong                     LDAS = LDA
1690*1858f998SYi Kong                     DO 20 I = 1, LX
1691*1858f998SYi Kong                        XS( I ) = XX( I )
1692*1858f998SYi Kong   20                CONTINUE
1693*1858f998SYi Kong                     INCXS = INCX
1694*1858f998SYi Kong                     DO 30 I = 1, LY
1695*1858f998SYi Kong                        YS( I ) = YY( I )
1696*1858f998SYi Kong   30                CONTINUE
1697*1858f998SYi Kong                     INCYS = INCY
1698*1858f998SYi Kong*
1699*1858f998SYi Kong*                    Call the subroutine.
1700*1858f998SYi Kong*
1701*1858f998SYi Kong                     IF( TRACE )
1702*1858f998SYi Kong     $                  WRITE( NTRA, FMT = 9994 )NC, SNAME, M, N,
1703*1858f998SYi Kong     $                  ALPHA, INCX, INCY, LDA
1704*1858f998SYi Kong                     IF( CONJ )THEN
1705*1858f998SYi Kong                        IF( REWI )
1706*1858f998SYi Kong     $                     REWIND NTRA
1707*1858f998SYi Kong                        CALL CZGERC( IORDER, M, N, ALPHA, XX, INCX,
1708*1858f998SYi Kong     $                              YY, INCY, AA, LDA )
1709*1858f998SYi Kong                     ELSE
1710*1858f998SYi Kong                        IF( REWI )
1711*1858f998SYi Kong     $                     REWIND NTRA
1712*1858f998SYi Kong                        CALL CZGERU( IORDER, M, N, ALPHA, XX, INCX,
1713*1858f998SYi Kong     $                              YY, INCY, AA, LDA )
1714*1858f998SYi Kong                     END IF
1715*1858f998SYi Kong*
1716*1858f998SYi Kong*                    Check if error-exit was taken incorrectly.
1717*1858f998SYi Kong*
1718*1858f998SYi Kong                     IF( .NOT.OK )THEN
1719*1858f998SYi Kong                        WRITE( NOUT, FMT = 9993 )
1720*1858f998SYi Kong                        FATAL = .TRUE.
1721*1858f998SYi Kong                        GO TO 140
1722*1858f998SYi Kong                     END IF
1723*1858f998SYi Kong*
1724*1858f998SYi Kong*                    See what data changed inside subroutine.
1725*1858f998SYi Kong*
1726*1858f998SYi Kong                     ISAME( 1 ) = MS.EQ.M
1727*1858f998SYi Kong                     ISAME( 2 ) = NS.EQ.N
1728*1858f998SYi Kong                     ISAME( 3 ) = ALS.EQ.ALPHA
1729*1858f998SYi Kong                     ISAME( 4 ) = LZE( XS, XX, LX )
1730*1858f998SYi Kong                     ISAME( 5 ) = INCXS.EQ.INCX
1731*1858f998SYi Kong                     ISAME( 6 ) = LZE( YS, YY, LY )
1732*1858f998SYi Kong                     ISAME( 7 ) = INCYS.EQ.INCY
1733*1858f998SYi Kong                     IF( NULL )THEN
1734*1858f998SYi Kong                        ISAME( 8 ) = LZE( AS, AA, LAA )
1735*1858f998SYi Kong                     ELSE
1736*1858f998SYi Kong                        ISAME( 8 ) = LZERES( 'ge', ' ', M, N, AS, AA,
1737*1858f998SYi Kong     $                               LDA )
1738*1858f998SYi Kong                     END IF
1739*1858f998SYi Kong                     ISAME( 9 ) = LDAS.EQ.LDA
1740*1858f998SYi Kong*
1741*1858f998SYi Kong*                   If data was incorrectly changed, report and return.
1742*1858f998SYi Kong*
1743*1858f998SYi Kong                     SAME = .TRUE.
1744*1858f998SYi Kong                     DO 40 I = 1, NARGS
1745*1858f998SYi Kong                        SAME = SAME.AND.ISAME( I )
1746*1858f998SYi Kong                        IF( .NOT.ISAME( I ) )
1747*1858f998SYi Kong     $                     WRITE( NOUT, FMT = 9998 )I
1748*1858f998SYi Kong   40                CONTINUE
1749*1858f998SYi Kong                     IF( .NOT.SAME )THEN
1750*1858f998SYi Kong                        FATAL = .TRUE.
1751*1858f998SYi Kong                        GO TO 140
1752*1858f998SYi Kong                     END IF
1753*1858f998SYi Kong*
1754*1858f998SYi Kong                     IF( .NOT.NULL )THEN
1755*1858f998SYi Kong*
1756*1858f998SYi Kong*                       Check the result column by column.
1757*1858f998SYi Kong*
1758*1858f998SYi Kong                        IF( INCX.GT.0 )THEN
1759*1858f998SYi Kong                           DO 50 I = 1, M
1760*1858f998SYi Kong                              Z( I ) = X( I )
1761*1858f998SYi Kong   50                      CONTINUE
1762*1858f998SYi Kong                        ELSE
1763*1858f998SYi Kong                           DO 60 I = 1, M
1764*1858f998SYi Kong                              Z( I ) = X( M - I + 1 )
1765*1858f998SYi Kong   60                      CONTINUE
1766*1858f998SYi Kong                        END IF
1767*1858f998SYi Kong                        DO 70 J = 1, N
1768*1858f998SYi Kong                           IF( INCY.GT.0 )THEN
1769*1858f998SYi Kong                              W( 1 ) = Y( J )
1770*1858f998SYi Kong                           ELSE
1771*1858f998SYi Kong                              W( 1 ) = Y( N - J + 1 )
1772*1858f998SYi Kong                           END IF
1773*1858f998SYi Kong                           IF( CONJ )
1774*1858f998SYi Kong     $                        W( 1 ) = DCONJG( W( 1 ) )
1775*1858f998SYi Kong                           CALL ZMVCH( 'N', M, 1, ALPHA, Z, NMAX, W, 1,
1776*1858f998SYi Kong     $                                 ONE, A( 1, J ), 1, YT, G,
1777*1858f998SYi Kong     $                                 AA( 1 + ( J - 1 )*LDA ), EPS,
1778*1858f998SYi Kong     $                                 ERR, FATAL, NOUT, .TRUE. )
1779*1858f998SYi Kong                           ERRMAX = MAX( ERRMAX, ERR )
1780*1858f998SYi Kong*                          If got really bad answer, report and return.
1781*1858f998SYi Kong                           IF( FATAL )
1782*1858f998SYi Kong     $                        GO TO 130
1783*1858f998SYi Kong   70                   CONTINUE
1784*1858f998SYi Kong                     ELSE
1785*1858f998SYi Kong*                       Avoid repeating tests with M.le.0 or N.le.0.
1786*1858f998SYi Kong                        GO TO 110
1787*1858f998SYi Kong                     END IF
1788*1858f998SYi Kong*
1789*1858f998SYi Kong   80             CONTINUE
1790*1858f998SYi Kong*
1791*1858f998SYi Kong   90          CONTINUE
1792*1858f998SYi Kong*
1793*1858f998SYi Kong  100       CONTINUE
1794*1858f998SYi Kong*
1795*1858f998SYi Kong  110    CONTINUE
1796*1858f998SYi Kong*
1797*1858f998SYi Kong  120 CONTINUE
1798*1858f998SYi Kong*
1799*1858f998SYi Kong*     Report result.
1800*1858f998SYi Kong*
1801*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
1802*1858f998SYi Kong         WRITE( NOUT, FMT = 9999 )SNAME, NC
1803*1858f998SYi Kong      ELSE
1804*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX
1805*1858f998SYi Kong      END IF
1806*1858f998SYi Kong      GO TO 150
1807*1858f998SYi Kong*
1808*1858f998SYi Kong  130 CONTINUE
1809*1858f998SYi Kong      WRITE( NOUT, FMT = 9995 )J
1810*1858f998SYi Kong*
1811*1858f998SYi Kong  140 CONTINUE
1812*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
1813*1858f998SYi Kong      WRITE( NOUT, FMT = 9994 )NC, SNAME, M, N, ALPHA, INCX, INCY, LDA
1814*1858f998SYi Kong*
1815*1858f998SYi Kong  150 CONTINUE
1816*1858f998SYi Kong      RETURN
1817*1858f998SYi Kong*
1818*1858f998SYi Kong 9999 FORMAT(' ',A12, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL',
1819*1858f998SYi Kong     $      'S)' )
1820*1858f998SYi Kong 9998 FORMAT(' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
1821*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
1822*1858f998SYi Kong 9997 FORMAT(' ',A12, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C',
1823*1858f998SYi Kong     $      'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2,
1824*1858f998SYi Kong     $      ' - SUSPECT *******' )
1825*1858f998SYi Kong 9996 FORMAT( ' ******* ',A12, ' FAILED ON CALL NUMBER:' )
1826*1858f998SYi Kong 9995 FORMAT( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
1827*1858f998SYi Kong 9994 FORMAT(1X, I6, ': ',A12, '(', 2( I3, ',' ), '(', F4.1, ',', F4.1,
1828*1858f998SYi Kong     $     '), X,', I2, ', Y,', I2, ', A,', I3, ') .' )
1829*1858f998SYi Kong 9993 FORMAT(' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
1830*1858f998SYi Kong     $      '******' )
1831*1858f998SYi Kong*
1832*1858f998SYi Kong*     End of ZCHK4.
1833*1858f998SYi Kong*
1834*1858f998SYi Kong      END
1835*1858f998SYi Kong      SUBROUTINE ZCHK5( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
1836*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC, NMAX,
1837*1858f998SYi Kong     $                  INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS, YT, G,
1838*1858f998SYi Kong     $                  Z, IORDER )
1839*1858f998SYi Kong*
1840*1858f998SYi Kong*  Tests ZHER and ZHPR.
1841*1858f998SYi Kong*
1842*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
1843*1858f998SYi Kong*
1844*1858f998SYi Kong*  -- Written on 10-August-1987.
1845*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
1846*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
1847*1858f998SYi Kong*
1848*1858f998SYi Kong*     .. Parameters ..
1849*1858f998SYi Kong      COMPLEX*16         ZERO, HALF, ONE
1850*1858f998SYi Kong      PARAMETER          ( ZERO = ( 0.0D0, 0.0D0 ),
1851*1858f998SYi Kong     $                   HALF = ( 0.5D0, 0.0D0 ),
1852*1858f998SYi Kong     $                   ONE = ( 1.0D0, 0.0D0 ) )
1853*1858f998SYi Kong      DOUBLE PRECISION   RZERO
1854*1858f998SYi Kong      PARAMETER          ( RZERO = 0.0D0 )
1855*1858f998SYi Kong*     .. Scalar Arguments ..
1856*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
1857*1858f998SYi Kong      INTEGER            INCMAX, NALF, NIDIM, NINC, NMAX, NOUT, NTRA,
1858*1858f998SYi Kong     $                   IORDER
1859*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
1860*1858f998SYi Kong      CHARACTER*12       SNAME
1861*1858f998SYi Kong*     .. Array Arguments ..
1862*1858f998SYi Kong      COMPLEX*16         A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
1863*1858f998SYi Kong     $                   AS( NMAX*NMAX ), X( NMAX ), XS( NMAX*INCMAX ),
1864*1858f998SYi Kong     $                   XX( NMAX*INCMAX ), Y( NMAX ),
1865*1858f998SYi Kong     $                   YS( NMAX*INCMAX ), YT( NMAX ),
1866*1858f998SYi Kong     $                   YY( NMAX*INCMAX ), Z( NMAX )
1867*1858f998SYi Kong      DOUBLE PRECISION   G( NMAX )
1868*1858f998SYi Kong      INTEGER            IDIM( NIDIM ), INC( NINC )
1869*1858f998SYi Kong*     .. Local Scalars ..
1870*1858f998SYi Kong      COMPLEX*16         ALPHA, TRANSL
1871*1858f998SYi Kong      DOUBLE PRECISION   ERR, ERRMAX, RALPHA, RALS
1872*1858f998SYi Kong      INTEGER           I, IA, IC, IN, INCX, INCXS, IX, J, JA, JJ, LAA,
1873*1858f998SYi Kong     $                   LDA, LDAS, LJ, LX, N, NARGS, NC, NS
1874*1858f998SYi Kong      LOGICAL            FULL, NULL, PACKED, RESET, SAME, UPPER
1875*1858f998SYi Kong      CHARACTER*1        UPLO, UPLOS
1876*1858f998SYi Kong      CHARACTER*14       CUPLO
1877*1858f998SYi Kong      CHARACTER*2        ICH
1878*1858f998SYi Kong*     .. Local Arrays ..
1879*1858f998SYi Kong      COMPLEX*16         W( 1 )
1880*1858f998SYi Kong      LOGICAL            ISAME( 13 )
1881*1858f998SYi Kong*     .. External Functions ..
1882*1858f998SYi Kong      LOGICAL            LZE, LZERES
1883*1858f998SYi Kong      EXTERNAL           LZE, LZERES
1884*1858f998SYi Kong*     .. External Subroutines ..
1885*1858f998SYi Kong      EXTERNAL           CZHER, CZHPR, ZMAKE, ZMVCH
1886*1858f998SYi Kong*     .. Intrinsic Functions ..
1887*1858f998SYi Kong      INTRINSIC          ABS, DCMPLX, DCONJG, MAX, DBLE
1888*1858f998SYi Kong*     .. Scalars in Common ..
1889*1858f998SYi Kong      INTEGER            INFOT, NOUTC
1890*1858f998SYi Kong      LOGICAL             OK
1891*1858f998SYi Kong*     .. Common blocks ..
1892*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
1893*1858f998SYi Kong*     .. Data statements ..
1894*1858f998SYi Kong      DATA               ICH/'UL'/
1895*1858f998SYi Kong*     .. Executable Statements ..
1896*1858f998SYi Kong      FULL = SNAME( 9: 9 ).EQ.'e'
1897*1858f998SYi Kong      PACKED = SNAME( 9: 9 ).EQ.'p'
1898*1858f998SYi Kong*     Define the number of arguments.
1899*1858f998SYi Kong      IF( FULL )THEN
1900*1858f998SYi Kong         NARGS = 7
1901*1858f998SYi Kong      ELSE IF( PACKED )THEN
1902*1858f998SYi Kong         NARGS = 6
1903*1858f998SYi Kong      END IF
1904*1858f998SYi Kong*
1905*1858f998SYi Kong      NC = 0
1906*1858f998SYi Kong      RESET = .TRUE.
1907*1858f998SYi Kong      ERRMAX = RZERO
1908*1858f998SYi Kong*
1909*1858f998SYi Kong      DO 100 IN = 1, NIDIM
1910*1858f998SYi Kong         N = IDIM( IN )
1911*1858f998SYi Kong*        Set LDA to 1 more than minimum value if room.
1912*1858f998SYi Kong         LDA = N
1913*1858f998SYi Kong         IF( LDA.LT.NMAX )
1914*1858f998SYi Kong     $      LDA = LDA + 1
1915*1858f998SYi Kong*        Skip tests if not enough room.
1916*1858f998SYi Kong         IF( LDA.GT.NMAX )
1917*1858f998SYi Kong     $      GO TO 100
1918*1858f998SYi Kong         IF( PACKED )THEN
1919*1858f998SYi Kong            LAA = ( N*( N + 1 ) )/2
1920*1858f998SYi Kong         ELSE
1921*1858f998SYi Kong            LAA = LDA*N
1922*1858f998SYi Kong         END IF
1923*1858f998SYi Kong*
1924*1858f998SYi Kong         DO 90 IC = 1, 2
1925*1858f998SYi Kong            UPLO = ICH( IC: IC )
1926*1858f998SYi Kong            IF (UPLO.EQ.'U')THEN
1927*1858f998SYi Kong               CUPLO = '    CblasUpper'
1928*1858f998SYi Kong            ELSE
1929*1858f998SYi Kong               CUPLO = '    CblasLower'
1930*1858f998SYi Kong            END IF
1931*1858f998SYi Kong            UPPER = UPLO.EQ.'U'
1932*1858f998SYi Kong*
1933*1858f998SYi Kong            DO 80 IX = 1, NINC
1934*1858f998SYi Kong               INCX = INC( IX )
1935*1858f998SYi Kong               LX = ABS( INCX )*N
1936*1858f998SYi Kong*
1937*1858f998SYi Kong*              Generate the vector X.
1938*1858f998SYi Kong*
1939*1858f998SYi Kong               TRANSL = HALF
1940*1858f998SYi Kong               CALL ZMAKE( 'ge', ' ', ' ', 1, N, X, 1, XX, ABS( INCX ),
1941*1858f998SYi Kong     $                     0, N - 1, RESET, TRANSL )
1942*1858f998SYi Kong               IF( N.GT.1 )THEN
1943*1858f998SYi Kong                  X( N/2 ) = ZERO
1944*1858f998SYi Kong                  XX( 1 + ABS( INCX )*( N/2 - 1 ) ) = ZERO
1945*1858f998SYi Kong               END IF
1946*1858f998SYi Kong*
1947*1858f998SYi Kong               DO 70 IA = 1, NALF
1948*1858f998SYi Kong                  RALPHA = DBLE( ALF( IA ) )
1949*1858f998SYi Kong                  ALPHA = DCMPLX( RALPHA, RZERO )
1950*1858f998SYi Kong                  NULL = N.LE.0.OR.RALPHA.EQ.RZERO
1951*1858f998SYi Kong*
1952*1858f998SYi Kong*                 Generate the matrix A.
1953*1858f998SYi Kong*
1954*1858f998SYi Kong                  TRANSL = ZERO
1955*1858f998SYi Kong                  CALL ZMAKE( SNAME( 8: 9 ), UPLO, ' ', N, N, A, NMAX,
1956*1858f998SYi Kong     $                        AA, LDA, N - 1, N - 1, RESET, TRANSL )
1957*1858f998SYi Kong*
1958*1858f998SYi Kong                  NC = NC + 1
1959*1858f998SYi Kong*
1960*1858f998SYi Kong*                 Save every datum before calling the subroutine.
1961*1858f998SYi Kong*
1962*1858f998SYi Kong                  UPLOS = UPLO
1963*1858f998SYi Kong                  NS = N
1964*1858f998SYi Kong                  RALS = RALPHA
1965*1858f998SYi Kong                  DO 10 I = 1, LAA
1966*1858f998SYi Kong                     AS( I ) = AA( I )
1967*1858f998SYi Kong   10             CONTINUE
1968*1858f998SYi Kong                  LDAS = LDA
1969*1858f998SYi Kong                  DO 20 I = 1, LX
1970*1858f998SYi Kong                     XS( I ) = XX( I )
1971*1858f998SYi Kong   20             CONTINUE
1972*1858f998SYi Kong                  INCXS = INCX
1973*1858f998SYi Kong*
1974*1858f998SYi Kong*                 Call the subroutine.
1975*1858f998SYi Kong*
1976*1858f998SYi Kong                  IF( FULL )THEN
1977*1858f998SYi Kong                     IF( TRACE )
1978*1858f998SYi Kong     $                  WRITE( NTRA, FMT = 9993 )NC, SNAME, CUPLO, N,
1979*1858f998SYi Kong     $                  RALPHA, INCX, LDA
1980*1858f998SYi Kong                     IF( REWI )
1981*1858f998SYi Kong     $                  REWIND NTRA
1982*1858f998SYi Kong                     CALL CZHER( IORDER, UPLO, N, RALPHA, XX,
1983*1858f998SYi Kong     $                            INCX, AA, LDA )
1984*1858f998SYi Kong                  ELSE IF( PACKED )THEN
1985*1858f998SYi Kong                     IF( TRACE )
1986*1858f998SYi Kong     $                  WRITE( NTRA, FMT = 9994 )NC, SNAME, CUPLO, N,
1987*1858f998SYi Kong     $                  RALPHA, INCX
1988*1858f998SYi Kong                     IF( REWI )
1989*1858f998SYi Kong     $                  REWIND NTRA
1990*1858f998SYi Kong                     CALL CZHPR( IORDER, UPLO, N, RALPHA,
1991*1858f998SYi Kong     $                            XX, INCX, AA )
1992*1858f998SYi Kong                  END IF
1993*1858f998SYi Kong*
1994*1858f998SYi Kong*                 Check if error-exit was taken incorrectly.
1995*1858f998SYi Kong*
1996*1858f998SYi Kong                  IF( .NOT.OK )THEN
1997*1858f998SYi Kong                     WRITE( NOUT, FMT = 9992 )
1998*1858f998SYi Kong                     FATAL = .TRUE.
1999*1858f998SYi Kong                     GO TO 120
2000*1858f998SYi Kong                  END IF
2001*1858f998SYi Kong*
2002*1858f998SYi Kong*                 See what data changed inside subroutines.
2003*1858f998SYi Kong*
2004*1858f998SYi Kong                  ISAME( 1 ) = UPLO.EQ.UPLOS
2005*1858f998SYi Kong                  ISAME( 2 ) = NS.EQ.N
2006*1858f998SYi Kong                  ISAME( 3 ) = RALS.EQ.RALPHA
2007*1858f998SYi Kong                  ISAME( 4 ) = LZE( XS, XX, LX )
2008*1858f998SYi Kong                  ISAME( 5 ) = INCXS.EQ.INCX
2009*1858f998SYi Kong                  IF( NULL )THEN
2010*1858f998SYi Kong                     ISAME( 6 ) = LZE( AS, AA, LAA )
2011*1858f998SYi Kong                  ELSE
2012*1858f998SYi Kong                    ISAME( 6 ) = LZERES( SNAME( 8: 9 ), UPLO, N, N, AS,
2013*1858f998SYi Kong     $                            AA, LDA )
2014*1858f998SYi Kong                  END IF
2015*1858f998SYi Kong                  IF( .NOT.PACKED )THEN
2016*1858f998SYi Kong                     ISAME( 7 ) = LDAS.EQ.LDA
2017*1858f998SYi Kong                  END IF
2018*1858f998SYi Kong*
2019*1858f998SYi Kong*                 If data was incorrectly changed, report and return.
2020*1858f998SYi Kong*
2021*1858f998SYi Kong                  SAME = .TRUE.
2022*1858f998SYi Kong                  DO 30 I = 1, NARGS
2023*1858f998SYi Kong                     SAME = SAME.AND.ISAME( I )
2024*1858f998SYi Kong                     IF( .NOT.ISAME( I ) )
2025*1858f998SYi Kong     $                  WRITE( NOUT, FMT = 9998 )I
2026*1858f998SYi Kong   30             CONTINUE
2027*1858f998SYi Kong                  IF( .NOT.SAME )THEN
2028*1858f998SYi Kong                     FATAL = .TRUE.
2029*1858f998SYi Kong                     GO TO 120
2030*1858f998SYi Kong                  END IF
2031*1858f998SYi Kong*
2032*1858f998SYi Kong                  IF( .NOT.NULL )THEN
2033*1858f998SYi Kong*
2034*1858f998SYi Kong*                    Check the result column by column.
2035*1858f998SYi Kong*
2036*1858f998SYi Kong                     IF( INCX.GT.0 )THEN
2037*1858f998SYi Kong                        DO 40 I = 1, N
2038*1858f998SYi Kong                           Z( I ) = X( I )
2039*1858f998SYi Kong   40                   CONTINUE
2040*1858f998SYi Kong                     ELSE
2041*1858f998SYi Kong                        DO 50 I = 1, N
2042*1858f998SYi Kong                           Z( I ) = X( N - I + 1 )
2043*1858f998SYi Kong   50                   CONTINUE
2044*1858f998SYi Kong                     END IF
2045*1858f998SYi Kong                     JA = 1
2046*1858f998SYi Kong                     DO 60 J = 1, N
2047*1858f998SYi Kong                        W( 1 ) = DCONJG( Z( J ) )
2048*1858f998SYi Kong                        IF( UPPER )THEN
2049*1858f998SYi Kong                           JJ = 1
2050*1858f998SYi Kong                           LJ = J
2051*1858f998SYi Kong                        ELSE
2052*1858f998SYi Kong                           JJ = J
2053*1858f998SYi Kong                           LJ = N - J + 1
2054*1858f998SYi Kong                        END IF
2055*1858f998SYi Kong                        CALL ZMVCH( 'N', LJ, 1, ALPHA, Z( JJ ), LJ, W,
2056*1858f998SYi Kong     $                              1, ONE, A( JJ, J ), 1, YT, G,
2057*1858f998SYi Kong     $                              AA( JA ), EPS, ERR, FATAL, NOUT,
2058*1858f998SYi Kong     $                              .TRUE. )
2059*1858f998SYi Kong                        IF( FULL )THEN
2060*1858f998SYi Kong                           IF( UPPER )THEN
2061*1858f998SYi Kong                              JA = JA + LDA
2062*1858f998SYi Kong                           ELSE
2063*1858f998SYi Kong                              JA = JA + LDA + 1
2064*1858f998SYi Kong                           END IF
2065*1858f998SYi Kong                        ELSE
2066*1858f998SYi Kong                           JA = JA + LJ
2067*1858f998SYi Kong                        END IF
2068*1858f998SYi Kong                        ERRMAX = MAX( ERRMAX, ERR )
2069*1858f998SYi Kong*                       If got really bad answer, report and return.
2070*1858f998SYi Kong                        IF( FATAL )
2071*1858f998SYi Kong     $                     GO TO 110
2072*1858f998SYi Kong   60                CONTINUE
2073*1858f998SYi Kong                  ELSE
2074*1858f998SYi Kong*                    Avoid repeating tests if N.le.0.
2075*1858f998SYi Kong                     IF( N.LE.0 )
2076*1858f998SYi Kong     $                  GO TO 100
2077*1858f998SYi Kong                  END IF
2078*1858f998SYi Kong*
2079*1858f998SYi Kong   70          CONTINUE
2080*1858f998SYi Kong*
2081*1858f998SYi Kong   80       CONTINUE
2082*1858f998SYi Kong*
2083*1858f998SYi Kong   90    CONTINUE
2084*1858f998SYi Kong*
2085*1858f998SYi Kong  100 CONTINUE
2086*1858f998SYi Kong*
2087*1858f998SYi Kong*     Report result.
2088*1858f998SYi Kong*
2089*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
2090*1858f998SYi Kong         WRITE( NOUT, FMT = 9999 )SNAME, NC
2091*1858f998SYi Kong      ELSE
2092*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX
2093*1858f998SYi Kong      END IF
2094*1858f998SYi Kong      GO TO 130
2095*1858f998SYi Kong*
2096*1858f998SYi Kong  110 CONTINUE
2097*1858f998SYi Kong      WRITE( NOUT, FMT = 9995 )J
2098*1858f998SYi Kong*
2099*1858f998SYi Kong  120 CONTINUE
2100*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
2101*1858f998SYi Kong      IF( FULL )THEN
2102*1858f998SYi Kong         WRITE( NOUT, FMT = 9993 )NC, SNAME, CUPLO, N, RALPHA, INCX, LDA
2103*1858f998SYi Kong      ELSE IF( PACKED )THEN
2104*1858f998SYi Kong         WRITE( NOUT, FMT = 9994 )NC, SNAME, CUPLO, N, RALPHA, INCX
2105*1858f998SYi Kong      END IF
2106*1858f998SYi Kong*
2107*1858f998SYi Kong  130 CONTINUE
2108*1858f998SYi Kong      RETURN
2109*1858f998SYi Kong*
2110*1858f998SYi Kong 9999 FORMAT(' ',A12, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL',
2111*1858f998SYi Kong     $      'S)' )
2112*1858f998SYi Kong 9998 FORMAT(' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
2113*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
2114*1858f998SYi Kong 9997 FORMAT(' ',A12, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C',
2115*1858f998SYi Kong     $      'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2,
2116*1858f998SYi Kong     $      ' - SUSPECT *******' )
2117*1858f998SYi Kong 9996 FORMAT( ' ******* ',A12, ' FAILED ON CALL NUMBER:' )
2118*1858f998SYi Kong 9995 FORMAT( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
2119*1858f998SYi Kong 9994 FORMAT(1X, I6, ': ',A12, '(', A14, ',', I3, ',', F4.1, ', X,',
2120*1858f998SYi Kong     $      I2, ', AP) .' )
2121*1858f998SYi Kong 9993 FORMAT(1X, I6, ': ',A12, '(', A14, ',', I3, ',', F4.1, ', X,',
2122*1858f998SYi Kong     $     I2, ', A,', I3, ') .' )
2123*1858f998SYi Kong 9992 FORMAT(' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
2124*1858f998SYi Kong     $      '******' )
2125*1858f998SYi Kong*
2126*1858f998SYi Kong*     End of CZHK5.
2127*1858f998SYi Kong*
2128*1858f998SYi Kong      END
2129*1858f998SYi Kong      SUBROUTINE ZCHK6( SNAME, EPS, THRESH, NOUT, NTRA, TRACE, REWI,
2130*1858f998SYi Kong     $                  FATAL, NIDIM, IDIM, NALF, ALF, NINC, INC, NMAX,
2131*1858f998SYi Kong     $                  INCMAX, A, AA, AS, X, XX, XS, Y, YY, YS, YT, G,
2132*1858f998SYi Kong     $                  Z, IORDER )
2133*1858f998SYi Kong*
2134*1858f998SYi Kong*  Tests ZHER2 and ZHPR2.
2135*1858f998SYi Kong*
2136*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
2137*1858f998SYi Kong*
2138*1858f998SYi Kong*  -- Written on 10-August-1987.
2139*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
2140*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
2141*1858f998SYi Kong*
2142*1858f998SYi Kong*     .. Parameters ..
2143*1858f998SYi Kong      COMPLEX*16         ZERO, HALF, ONE
2144*1858f998SYi Kong      PARAMETER          ( ZERO = ( 0.0D0, 0.0D0 ),
2145*1858f998SYi Kong     $                   HALF = ( 0.5D0, 0.0D0 ),
2146*1858f998SYi Kong     $                   ONE = ( 1.0D0, 0.0D0 ) )
2147*1858f998SYi Kong      DOUBLE PRECISION   RZERO
2148*1858f998SYi Kong      PARAMETER          ( RZERO = 0.0D0 )
2149*1858f998SYi Kong*     .. Scalar Arguments ..
2150*1858f998SYi Kong      DOUBLE PRECISION   EPS, THRESH
2151*1858f998SYi Kong      INTEGER            INCMAX, NALF, NIDIM, NINC, NMAX, NOUT, NTRA,
2152*1858f998SYi Kong     $                   IORDER
2153*1858f998SYi Kong      LOGICAL            FATAL, REWI, TRACE
2154*1858f998SYi Kong      CHARACTER*12       SNAME
2155*1858f998SYi Kong*     .. Array Arguments ..
2156*1858f998SYi Kong      COMPLEX*16         A( NMAX, NMAX ), AA( NMAX*NMAX ), ALF( NALF ),
2157*1858f998SYi Kong     $                   AS( NMAX*NMAX ), X( NMAX ), XS( NMAX*INCMAX ),
2158*1858f998SYi Kong     $                   XX( NMAX*INCMAX ), Y( NMAX ),
2159*1858f998SYi Kong     $                   YS( NMAX*INCMAX ), YT( NMAX ),
2160*1858f998SYi Kong     $                   YY( NMAX*INCMAX ), Z( NMAX, 2 )
2161*1858f998SYi Kong      DOUBLE PRECISION               G( NMAX )
2162*1858f998SYi Kong      INTEGER            IDIM( NIDIM ), INC( NINC )
2163*1858f998SYi Kong*     .. Local Scalars ..
2164*1858f998SYi Kong      COMPLEX*16            ALPHA, ALS, TRANSL
2165*1858f998SYi Kong      DOUBLE PRECISION               ERR, ERRMAX
2166*1858f998SYi Kong      INTEGER            I, IA, IC, IN, INCX, INCXS, INCY, INCYS, IX,
2167*1858f998SYi Kong     $                   IY, J, JA, JJ, LAA, LDA, LDAS, LJ, LX, LY, N,
2168*1858f998SYi Kong     $                   NARGS, NC, NS
2169*1858f998SYi Kong      LOGICAL            FULL, NULL, PACKED, RESET, SAME, UPPER
2170*1858f998SYi Kong      CHARACTER*1        UPLO, UPLOS
2171*1858f998SYi Kong      CHARACTER*14       CUPLO
2172*1858f998SYi Kong      CHARACTER*2        ICH
2173*1858f998SYi Kong*     .. Local Arrays ..
2174*1858f998SYi Kong      COMPLEX*16         W( 2 )
2175*1858f998SYi Kong      LOGICAL            ISAME( 13 )
2176*1858f998SYi Kong*     .. External Functions ..
2177*1858f998SYi Kong      LOGICAL            LZE, LZERES
2178*1858f998SYi Kong      EXTERNAL           LZE, LZERES
2179*1858f998SYi Kong*     .. External Subroutines ..
2180*1858f998SYi Kong      EXTERNAL           CZHER2, CZHPR2, ZMAKE, ZMVCH
2181*1858f998SYi Kong*     .. Intrinsic Functions ..
2182*1858f998SYi Kong      INTRINSIC          ABS, DCONJG, MAX
2183*1858f998SYi Kong*     .. Scalars in Common ..
2184*1858f998SYi Kong      INTEGER            INFOT, NOUTC
2185*1858f998SYi Kong      LOGICAL             OK
2186*1858f998SYi Kong*     .. Common blocks ..
2187*1858f998SYi Kong      COMMON             /INFOC/INFOT, NOUTC, OK
2188*1858f998SYi Kong*     .. Data statements ..
2189*1858f998SYi Kong      DATA               ICH/'UL'/
2190*1858f998SYi Kong*     .. Executable Statements ..
2191*1858f998SYi Kong      FULL = SNAME( 9: 9 ).EQ.'e'
2192*1858f998SYi Kong      PACKED = SNAME( 9: 9 ).EQ.'p'
2193*1858f998SYi Kong*     Define the number of arguments.
2194*1858f998SYi Kong      IF( FULL )THEN
2195*1858f998SYi Kong         NARGS = 9
2196*1858f998SYi Kong      ELSE IF( PACKED )THEN
2197*1858f998SYi Kong         NARGS = 8
2198*1858f998SYi Kong      END IF
2199*1858f998SYi Kong*
2200*1858f998SYi Kong      NC = 0
2201*1858f998SYi Kong      RESET = .TRUE.
2202*1858f998SYi Kong      ERRMAX = RZERO
2203*1858f998SYi Kong*
2204*1858f998SYi Kong      DO 140 IN = 1, NIDIM
2205*1858f998SYi Kong         N = IDIM( IN )
2206*1858f998SYi Kong*        Set LDA to 1 more than minimum value if room.
2207*1858f998SYi Kong         LDA = N
2208*1858f998SYi Kong         IF( LDA.LT.NMAX )
2209*1858f998SYi Kong     $      LDA = LDA + 1
2210*1858f998SYi Kong*        Skip tests if not enough room.
2211*1858f998SYi Kong         IF( LDA.GT.NMAX )
2212*1858f998SYi Kong     $      GO TO 140
2213*1858f998SYi Kong         IF( PACKED )THEN
2214*1858f998SYi Kong            LAA = ( N*( N + 1 ) )/2
2215*1858f998SYi Kong         ELSE
2216*1858f998SYi Kong            LAA = LDA*N
2217*1858f998SYi Kong         END IF
2218*1858f998SYi Kong*
2219*1858f998SYi Kong         DO 130 IC = 1, 2
2220*1858f998SYi Kong            UPLO = ICH( IC: IC )
2221*1858f998SYi Kong            IF (UPLO.EQ.'U')THEN
2222*1858f998SYi Kong               CUPLO = '    CblasUpper'
2223*1858f998SYi Kong            ELSE
2224*1858f998SYi Kong               CUPLO = '    CblasLower'
2225*1858f998SYi Kong            END IF
2226*1858f998SYi Kong            UPPER = UPLO.EQ.'U'
2227*1858f998SYi Kong*
2228*1858f998SYi Kong            DO 120 IX = 1, NINC
2229*1858f998SYi Kong               INCX = INC( IX )
2230*1858f998SYi Kong               LX = ABS( INCX )*N
2231*1858f998SYi Kong*
2232*1858f998SYi Kong*              Generate the vector X.
2233*1858f998SYi Kong*
2234*1858f998SYi Kong               TRANSL = HALF
2235*1858f998SYi Kong               CALL ZMAKE( 'ge', ' ', ' ', 1, N, X, 1, XX, ABS( INCX ),
2236*1858f998SYi Kong     $                     0, N - 1, RESET, TRANSL )
2237*1858f998SYi Kong               IF( N.GT.1 )THEN
2238*1858f998SYi Kong                  X( N/2 ) = ZERO
2239*1858f998SYi Kong                  XX( 1 + ABS( INCX )*( N/2 - 1 ) ) = ZERO
2240*1858f998SYi Kong               END IF
2241*1858f998SYi Kong*
2242*1858f998SYi Kong               DO 110 IY = 1, NINC
2243*1858f998SYi Kong                  INCY = INC( IY )
2244*1858f998SYi Kong                  LY = ABS( INCY )*N
2245*1858f998SYi Kong*
2246*1858f998SYi Kong*                 Generate the vector Y.
2247*1858f998SYi Kong*
2248*1858f998SYi Kong                  TRANSL = ZERO
2249*1858f998SYi Kong                  CALL ZMAKE( 'ge', ' ', ' ', 1, N, Y, 1, YY,
2250*1858f998SYi Kong     $                        ABS( INCY ), 0, N - 1, RESET, TRANSL )
2251*1858f998SYi Kong                  IF( N.GT.1 )THEN
2252*1858f998SYi Kong                     Y( N/2 ) = ZERO
2253*1858f998SYi Kong                     YY( 1 + ABS( INCY )*( N/2 - 1 ) ) = ZERO
2254*1858f998SYi Kong                  END IF
2255*1858f998SYi Kong*
2256*1858f998SYi Kong                  DO 100 IA = 1, NALF
2257*1858f998SYi Kong                     ALPHA = ALF( IA )
2258*1858f998SYi Kong                     NULL = N.LE.0.OR.ALPHA.EQ.ZERO
2259*1858f998SYi Kong*
2260*1858f998SYi Kong*                    Generate the matrix A.
2261*1858f998SYi Kong*
2262*1858f998SYi Kong                     TRANSL = ZERO
2263*1858f998SYi Kong                     CALL ZMAKE( SNAME( 8: 9 ), UPLO, ' ', N, N, A,
2264*1858f998SYi Kong     $                           NMAX, AA, LDA, N - 1, N - 1, RESET,
2265*1858f998SYi Kong     $                           TRANSL )
2266*1858f998SYi Kong*
2267*1858f998SYi Kong                     NC = NC + 1
2268*1858f998SYi Kong*
2269*1858f998SYi Kong*                    Save every datum before calling the subroutine.
2270*1858f998SYi Kong*
2271*1858f998SYi Kong                     UPLOS = UPLO
2272*1858f998SYi Kong                     NS = N
2273*1858f998SYi Kong                     ALS = ALPHA
2274*1858f998SYi Kong                     DO 10 I = 1, LAA
2275*1858f998SYi Kong                        AS( I ) = AA( I )
2276*1858f998SYi Kong   10                CONTINUE
2277*1858f998SYi Kong                     LDAS = LDA
2278*1858f998SYi Kong                     DO 20 I = 1, LX
2279*1858f998SYi Kong                        XS( I ) = XX( I )
2280*1858f998SYi Kong   20                CONTINUE
2281*1858f998SYi Kong                     INCXS = INCX
2282*1858f998SYi Kong                     DO 30 I = 1, LY
2283*1858f998SYi Kong                        YS( I ) = YY( I )
2284*1858f998SYi Kong   30                CONTINUE
2285*1858f998SYi Kong                     INCYS = INCY
2286*1858f998SYi Kong*
2287*1858f998SYi Kong*                    Call the subroutine.
2288*1858f998SYi Kong*
2289*1858f998SYi Kong                     IF( FULL )THEN
2290*1858f998SYi Kong                        IF( TRACE )
2291*1858f998SYi Kong     $                     WRITE( NTRA, FMT = 9993 )NC, SNAME, CUPLO, N,
2292*1858f998SYi Kong     $                     ALPHA, INCX, INCY, LDA
2293*1858f998SYi Kong                        IF( REWI )
2294*1858f998SYi Kong     $                     REWIND NTRA
2295*1858f998SYi Kong                        CALL CZHER2( IORDER, UPLO, N, ALPHA, XX, INCX,
2296*1858f998SYi Kong     $                              YY, INCY, AA, LDA )
2297*1858f998SYi Kong                     ELSE IF( PACKED )THEN
2298*1858f998SYi Kong                        IF( TRACE )
2299*1858f998SYi Kong     $                     WRITE( NTRA, FMT = 9994 )NC, SNAME, CUPLO, N,
2300*1858f998SYi Kong     $                     ALPHA, INCX, INCY
2301*1858f998SYi Kong                        IF( REWI )
2302*1858f998SYi Kong     $                     REWIND NTRA
2303*1858f998SYi Kong                        CALL CZHPR2( IORDER, UPLO, N, ALPHA, XX, INCX,
2304*1858f998SYi Kong     $                              YY, INCY, AA )
2305*1858f998SYi Kong                     END IF
2306*1858f998SYi Kong*
2307*1858f998SYi Kong*                    Check if error-exit was taken incorrectly.
2308*1858f998SYi Kong*
2309*1858f998SYi Kong                     IF( .NOT.OK )THEN
2310*1858f998SYi Kong                        WRITE( NOUT, FMT = 9992 )
2311*1858f998SYi Kong                        FATAL = .TRUE.
2312*1858f998SYi Kong                        GO TO 160
2313*1858f998SYi Kong                     END IF
2314*1858f998SYi Kong*
2315*1858f998SYi Kong*                    See what data changed inside subroutines.
2316*1858f998SYi Kong*
2317*1858f998SYi Kong                     ISAME( 1 ) = UPLO.EQ.UPLOS
2318*1858f998SYi Kong                     ISAME( 2 ) = NS.EQ.N
2319*1858f998SYi Kong                     ISAME( 3 ) = ALS.EQ.ALPHA
2320*1858f998SYi Kong                     ISAME( 4 ) = LZE( XS, XX, LX )
2321*1858f998SYi Kong                     ISAME( 5 ) = INCXS.EQ.INCX
2322*1858f998SYi Kong                     ISAME( 6 ) = LZE( YS, YY, LY )
2323*1858f998SYi Kong                     ISAME( 7 ) = INCYS.EQ.INCY
2324*1858f998SYi Kong                     IF( NULL )THEN
2325*1858f998SYi Kong                        ISAME( 8 ) = LZE( AS, AA, LAA )
2326*1858f998SYi Kong                     ELSE
2327*1858f998SYi Kong                        ISAME( 8 ) = LZERES( SNAME( 8: 9 ), UPLO, N, N,
2328*1858f998SYi Kong     $                               AS, AA, LDA )
2329*1858f998SYi Kong                     END IF
2330*1858f998SYi Kong                     IF( .NOT.PACKED )THEN
2331*1858f998SYi Kong                        ISAME( 9 ) = LDAS.EQ.LDA
2332*1858f998SYi Kong                     END IF
2333*1858f998SYi Kong*
2334*1858f998SYi Kong*                   If data was incorrectly changed, report and return.
2335*1858f998SYi Kong*
2336*1858f998SYi Kong                     SAME = .TRUE.
2337*1858f998SYi Kong                     DO 40 I = 1, NARGS
2338*1858f998SYi Kong                        SAME = SAME.AND.ISAME( I )
2339*1858f998SYi Kong                        IF( .NOT.ISAME( I ) )
2340*1858f998SYi Kong     $                     WRITE( NOUT, FMT = 9998 )I
2341*1858f998SYi Kong   40                CONTINUE
2342*1858f998SYi Kong                     IF( .NOT.SAME )THEN
2343*1858f998SYi Kong                        FATAL = .TRUE.
2344*1858f998SYi Kong                        GO TO 160
2345*1858f998SYi Kong                     END IF
2346*1858f998SYi Kong*
2347*1858f998SYi Kong                     IF( .NOT.NULL )THEN
2348*1858f998SYi Kong*
2349*1858f998SYi Kong*                       Check the result column by column.
2350*1858f998SYi Kong*
2351*1858f998SYi Kong                        IF( INCX.GT.0 )THEN
2352*1858f998SYi Kong                           DO 50 I = 1, N
2353*1858f998SYi Kong                              Z( I, 1 ) = X( I )
2354*1858f998SYi Kong   50                      CONTINUE
2355*1858f998SYi Kong                        ELSE
2356*1858f998SYi Kong                           DO 60 I = 1, N
2357*1858f998SYi Kong                              Z( I, 1 ) = X( N - I + 1 )
2358*1858f998SYi Kong   60                      CONTINUE
2359*1858f998SYi Kong                        END IF
2360*1858f998SYi Kong                        IF( INCY.GT.0 )THEN
2361*1858f998SYi Kong                           DO 70 I = 1, N
2362*1858f998SYi Kong                              Z( I, 2 ) = Y( I )
2363*1858f998SYi Kong   70                      CONTINUE
2364*1858f998SYi Kong                        ELSE
2365*1858f998SYi Kong                           DO 80 I = 1, N
2366*1858f998SYi Kong                              Z( I, 2 ) = Y( N - I + 1 )
2367*1858f998SYi Kong   80                      CONTINUE
2368*1858f998SYi Kong                        END IF
2369*1858f998SYi Kong                        JA = 1
2370*1858f998SYi Kong                        DO 90 J = 1, N
2371*1858f998SYi Kong                           W( 1 ) = ALPHA*DCONJG( Z( J, 2 ) )
2372*1858f998SYi Kong                           W( 2 ) = DCONJG( ALPHA )*DCONJG( Z( J, 1 ) )
2373*1858f998SYi Kong                           IF( UPPER )THEN
2374*1858f998SYi Kong                              JJ = 1
2375*1858f998SYi Kong                              LJ = J
2376*1858f998SYi Kong                           ELSE
2377*1858f998SYi Kong                              JJ = J
2378*1858f998SYi Kong                              LJ = N - J + 1
2379*1858f998SYi Kong                           END IF
2380*1858f998SYi Kong                           CALL ZMVCH( 'N', LJ, 2, ONE, Z( JJ, 1 ),
2381*1858f998SYi Kong     $                                 NMAX, W, 1, ONE, A( JJ, J ), 1,
2382*1858f998SYi Kong     $                                YT, G, AA( JA ), EPS, ERR, FATAL,
2383*1858f998SYi Kong     $                                 NOUT, .TRUE. )
2384*1858f998SYi Kong                           IF( FULL )THEN
2385*1858f998SYi Kong                              IF( UPPER )THEN
2386*1858f998SYi Kong                                 JA = JA + LDA
2387*1858f998SYi Kong                              ELSE
2388*1858f998SYi Kong                                 JA = JA + LDA + 1
2389*1858f998SYi Kong                              END IF
2390*1858f998SYi Kong                           ELSE
2391*1858f998SYi Kong                              JA = JA + LJ
2392*1858f998SYi Kong                           END IF
2393*1858f998SYi Kong                           ERRMAX = MAX( ERRMAX, ERR )
2394*1858f998SYi Kong*                          If got really bad answer, report and return.
2395*1858f998SYi Kong                           IF( FATAL )
2396*1858f998SYi Kong     $                        GO TO 150
2397*1858f998SYi Kong   90                   CONTINUE
2398*1858f998SYi Kong                     ELSE
2399*1858f998SYi Kong*                       Avoid repeating tests with N.le.0.
2400*1858f998SYi Kong                        IF( N.LE.0 )
2401*1858f998SYi Kong     $                     GO TO 140
2402*1858f998SYi Kong                     END IF
2403*1858f998SYi Kong*
2404*1858f998SYi Kong  100             CONTINUE
2405*1858f998SYi Kong*
2406*1858f998SYi Kong  110          CONTINUE
2407*1858f998SYi Kong*
2408*1858f998SYi Kong  120       CONTINUE
2409*1858f998SYi Kong*
2410*1858f998SYi Kong  130    CONTINUE
2411*1858f998SYi Kong*
2412*1858f998SYi Kong  140 CONTINUE
2413*1858f998SYi Kong*
2414*1858f998SYi Kong*     Report result.
2415*1858f998SYi Kong*
2416*1858f998SYi Kong      IF( ERRMAX.LT.THRESH )THEN
2417*1858f998SYi Kong         WRITE( NOUT, FMT = 9999 )SNAME, NC
2418*1858f998SYi Kong      ELSE
2419*1858f998SYi Kong         WRITE( NOUT, FMT = 9997 )SNAME, NC, ERRMAX
2420*1858f998SYi Kong      END IF
2421*1858f998SYi Kong      GO TO 170
2422*1858f998SYi Kong*
2423*1858f998SYi Kong  150 CONTINUE
2424*1858f998SYi Kong      WRITE( NOUT, FMT = 9995 )J
2425*1858f998SYi Kong*
2426*1858f998SYi Kong  160 CONTINUE
2427*1858f998SYi Kong      WRITE( NOUT, FMT = 9996 )SNAME
2428*1858f998SYi Kong      IF( FULL )THEN
2429*1858f998SYi Kong         WRITE( NOUT, FMT = 9993 )NC, SNAME, CUPLO, N, ALPHA, INCX,
2430*1858f998SYi Kong     $      INCY, LDA
2431*1858f998SYi Kong      ELSE IF( PACKED )THEN
2432*1858f998SYi Kong         WRITE( NOUT, FMT = 9994 )NC, SNAME, CUPLO, N, ALPHA, INCX, INCY
2433*1858f998SYi Kong      END IF
2434*1858f998SYi Kong*
2435*1858f998SYi Kong  170 CONTINUE
2436*1858f998SYi Kong      RETURN
2437*1858f998SYi Kong*
2438*1858f998SYi Kong 9999 FORMAT(' ',A12, ' PASSED THE COMPUTATIONAL TESTS (', I6, ' CALL',
2439*1858f998SYi Kong     $      'S)' )
2440*1858f998SYi Kong 9998 FORMAT(' ******* FATAL ERROR - PARAMETER NUMBER ', I2, ' WAS CH',
2441*1858f998SYi Kong     $      'ANGED INCORRECTLY *******' )
2442*1858f998SYi Kong 9997 FORMAT(' ',A12, ' COMPLETED THE COMPUTATIONAL TESTS (', I6, ' C',
2443*1858f998SYi Kong     $      'ALLS)', /' ******* BUT WITH MAXIMUM TEST RATIO', F8.2,
2444*1858f998SYi Kong     $      ' - SUSPECT *******' )
2445*1858f998SYi Kong 9996 FORMAT( ' ******* ',A12, ' FAILED ON CALL NUMBER:' )
2446*1858f998SYi Kong 9995 FORMAT( '      THESE ARE THE RESULTS FOR COLUMN ', I3 )
2447*1858f998SYi Kong 9994 FORMAT(1X, I6, ': ',A12, '(', A14, ',', I3, ',(', F4.1, ',',
2448*1858f998SYi Kong     $     F4.1, '), X,', I2, ', Y,', I2, ', AP) .' )
2449*1858f998SYi Kong 9993 FORMAT(1X, I6, ': ',A12, '(', A14, ',', I3, ',(', F4.1, ',',
2450*1858f998SYi Kong     $     F4.1, '), X,', I2, ', Y,', I2, ', A,', I3, ') .' )
2451*1858f998SYi Kong 9992 FORMAT(' ******* FATAL ERROR - ERROR-EXIT TAKEN ON VALID CALL *',
2452*1858f998SYi Kong     $      '******' )
2453*1858f998SYi Kong*
2454*1858f998SYi Kong*     End of ZCHK6.
2455*1858f998SYi Kong*
2456*1858f998SYi Kong      END
2457*1858f998SYi Kong      SUBROUTINE ZMVCH( TRANS, M, N, ALPHA, A, NMAX, X, INCX, BETA, Y,
2458*1858f998SYi Kong     $                  INCY, YT, G, YY, EPS, ERR, FATAL, NOUT, MV )
2459*1858f998SYi Kong*
2460*1858f998SYi Kong*  Checks the results of the computational tests.
2461*1858f998SYi Kong*
2462*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
2463*1858f998SYi Kong*
2464*1858f998SYi Kong*  -- Written on 10-August-1987.
2465*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
2466*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
2467*1858f998SYi Kong*
2468*1858f998SYi Kong*     .. Parameters ..
2469*1858f998SYi Kong      COMPLEX*16         ZERO
2470*1858f998SYi Kong      PARAMETER          ( ZERO = ( 0.0D0, 0.0D0 ) )
2471*1858f998SYi Kong      DOUBLE PRECISION   RZERO, RONE
2472*1858f998SYi Kong      PARAMETER          ( RZERO = 0.0D0, RONE = 1.0D0 )
2473*1858f998SYi Kong*     .. Scalar Arguments ..
2474*1858f998SYi Kong      COMPLEX*16         ALPHA, BETA
2475*1858f998SYi Kong      DOUBLE PRECISION   EPS, ERR
2476*1858f998SYi Kong      INTEGER            INCX, INCY, M, N, NMAX, NOUT
2477*1858f998SYi Kong      LOGICAL            FATAL, MV
2478*1858f998SYi Kong      CHARACTER*1        TRANS
2479*1858f998SYi Kong*     .. Array Arguments ..
2480*1858f998SYi Kong      COMPLEX*16         A( NMAX, * ), X( * ), Y( * ), YT( * ), YY( * )
2481*1858f998SYi Kong      DOUBLE PRECISION   G( * )
2482*1858f998SYi Kong*     .. Local Scalars ..
2483*1858f998SYi Kong      COMPLEX*16         C
2484*1858f998SYi Kong      DOUBLE PRECISION   ERRI
2485*1858f998SYi Kong      INTEGER            I, INCXL, INCYL, IY, J, JX, KX, KY, ML, NL
2486*1858f998SYi Kong      LOGICAL            CTRAN, TRAN
2487*1858f998SYi Kong*     .. Intrinsic Functions ..
2488*1858f998SYi Kong      INTRINSIC          ABS, DIMAG, DCONJG, MAX, DBLE, SQRT
2489*1858f998SYi Kong*     .. Statement Functions ..
2490*1858f998SYi Kong      DOUBLE PRECISION   ABS1
2491*1858f998SYi Kong*     .. Statement Function definitions ..
2492*1858f998SYi Kong      ABS1( C ) = ABS( DBLE( C ) ) + ABS( DIMAG( C ) )
2493*1858f998SYi Kong*     .. Executable Statements ..
2494*1858f998SYi Kong      TRAN = TRANS.EQ.'T'
2495*1858f998SYi Kong      CTRAN = TRANS.EQ.'C'
2496*1858f998SYi Kong      IF( TRAN.OR.CTRAN )THEN
2497*1858f998SYi Kong         ML = N
2498*1858f998SYi Kong         NL = M
2499*1858f998SYi Kong      ELSE
2500*1858f998SYi Kong         ML = M
2501*1858f998SYi Kong         NL = N
2502*1858f998SYi Kong      END IF
2503*1858f998SYi Kong      IF( INCX.LT.0 )THEN
2504*1858f998SYi Kong         KX = NL
2505*1858f998SYi Kong         INCXL = -1
2506*1858f998SYi Kong      ELSE
2507*1858f998SYi Kong         KX = 1
2508*1858f998SYi Kong         INCXL = 1
2509*1858f998SYi Kong      END IF
2510*1858f998SYi Kong      IF( INCY.LT.0 )THEN
2511*1858f998SYi Kong         KY = ML
2512*1858f998SYi Kong         INCYL = -1
2513*1858f998SYi Kong      ELSE
2514*1858f998SYi Kong         KY = 1
2515*1858f998SYi Kong         INCYL = 1
2516*1858f998SYi Kong      END IF
2517*1858f998SYi Kong*
2518*1858f998SYi Kong*     Compute expected result in YT using data in A, X and Y.
2519*1858f998SYi Kong*     Compute gauges in G.
2520*1858f998SYi Kong*
2521*1858f998SYi Kong      IY = KY
2522*1858f998SYi Kong      DO 40 I = 1, ML
2523*1858f998SYi Kong         YT( IY ) = ZERO
2524*1858f998SYi Kong         G( IY ) = RZERO
2525*1858f998SYi Kong         JX = KX
2526*1858f998SYi Kong         IF( TRAN )THEN
2527*1858f998SYi Kong            DO 10 J = 1, NL
2528*1858f998SYi Kong               YT( IY ) = YT( IY ) + A( J, I )*X( JX )
2529*1858f998SYi Kong               G( IY ) = G( IY ) + ABS1( A( J, I ) )*ABS1( X( JX ) )
2530*1858f998SYi Kong               JX = JX + INCXL
2531*1858f998SYi Kong   10       CONTINUE
2532*1858f998SYi Kong         ELSE IF( CTRAN )THEN
2533*1858f998SYi Kong            DO 20 J = 1, NL
2534*1858f998SYi Kong               YT( IY ) = YT( IY ) + DCONJG( A( J, I ) )*X( JX )
2535*1858f998SYi Kong               G( IY ) = G( IY ) + ABS1( A( J, I ) )*ABS1( X( JX ) )
2536*1858f998SYi Kong               JX = JX + INCXL
2537*1858f998SYi Kong   20       CONTINUE
2538*1858f998SYi Kong         ELSE
2539*1858f998SYi Kong            DO 30 J = 1, NL
2540*1858f998SYi Kong               YT( IY ) = YT( IY ) + A( I, J )*X( JX )
2541*1858f998SYi Kong               G( IY ) = G( IY ) + ABS1( A( I, J ) )*ABS1( X( JX ) )
2542*1858f998SYi Kong               JX = JX + INCXL
2543*1858f998SYi Kong   30       CONTINUE
2544*1858f998SYi Kong         END IF
2545*1858f998SYi Kong         YT( IY ) = ALPHA*YT( IY ) + BETA*Y( IY )
2546*1858f998SYi Kong         G( IY ) = ABS1( ALPHA )*G( IY ) + ABS1( BETA )*ABS1( Y( IY ) )
2547*1858f998SYi Kong         IY = IY + INCYL
2548*1858f998SYi Kong   40 CONTINUE
2549*1858f998SYi Kong*
2550*1858f998SYi Kong*     Compute the error ratio for this result.
2551*1858f998SYi Kong*
2552*1858f998SYi Kong      ERR = ZERO
2553*1858f998SYi Kong      DO 50 I = 1, ML
2554*1858f998SYi Kong         ERRI = ABS( YT( I ) - YY( 1 + ( I - 1 )*ABS( INCY ) ) )/EPS
2555*1858f998SYi Kong         IF( G( I ).NE.RZERO )
2556*1858f998SYi Kong     $      ERRI = ERRI/G( I )
2557*1858f998SYi Kong         ERR = MAX( ERR, ERRI )
2558*1858f998SYi Kong         IF( ERR*SQRT( EPS ).GE.RONE )
2559*1858f998SYi Kong     $      GO TO 60
2560*1858f998SYi Kong   50 CONTINUE
2561*1858f998SYi Kong*     If the loop completes, all results are at least half accurate.
2562*1858f998SYi Kong      GO TO 80
2563*1858f998SYi Kong*
2564*1858f998SYi Kong*     Report fatal error.
2565*1858f998SYi Kong*
2566*1858f998SYi Kong   60 FATAL = .TRUE.
2567*1858f998SYi Kong      WRITE( NOUT, FMT = 9999 )
2568*1858f998SYi Kong      DO 70 I = 1, ML
2569*1858f998SYi Kong         IF( MV )THEN
2570*1858f998SYi Kong            WRITE( NOUT, FMT = 9998 )I, YT( I ),
2571*1858f998SYi Kong     $         YY( 1 + ( I - 1 )*ABS( INCY ) )
2572*1858f998SYi Kong         ELSE
2573*1858f998SYi Kong            WRITE( NOUT, FMT = 9998 )I,
2574*1858f998SYi Kong     $         YY( 1 + ( I - 1 )*ABS( INCY ) ), YT( I )
2575*1858f998SYi Kong         END IF
2576*1858f998SYi Kong   70 CONTINUE
2577*1858f998SYi Kong*
2578*1858f998SYi Kong   80 CONTINUE
2579*1858f998SYi Kong      RETURN
2580*1858f998SYi Kong*
2581*1858f998SYi Kong 9999 FORMAT(' ******* FATAL ERROR - COMPUTED RESULT IS LESS THAN HAL',
2582*1858f998SYi Kong     $     'F ACCURATE *******', /'                       EXPECTED RE',
2583*1858f998SYi Kong     $     'SULT                    COMPUTED RESULT' )
2584*1858f998SYi Kong 9998 FORMAT( 1X, I7, 2( '  (', G15.6, ',', G15.6, ')' ) )
2585*1858f998SYi Kong*
2586*1858f998SYi Kong*     End of ZMVCH.
2587*1858f998SYi Kong*
2588*1858f998SYi Kong      END
2589*1858f998SYi Kong      LOGICAL FUNCTION LZE( RI, RJ, LR )
2590*1858f998SYi Kong*
2591*1858f998SYi Kong*  Tests if two arrays are identical.
2592*1858f998SYi Kong*
2593*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
2594*1858f998SYi Kong*
2595*1858f998SYi Kong*  -- Written on 10-August-1987.
2596*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
2597*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
2598*1858f998SYi Kong*
2599*1858f998SYi Kong*     .. Scalar Arguments ..
2600*1858f998SYi Kong      INTEGER            LR
2601*1858f998SYi Kong*     .. Array Arguments ..
2602*1858f998SYi Kong      COMPLEX*16         RI( * ), RJ( * )
2603*1858f998SYi Kong*     .. Local Scalars ..
2604*1858f998SYi Kong      INTEGER            I
2605*1858f998SYi Kong*     .. Executable Statements ..
2606*1858f998SYi Kong      DO 10 I = 1, LR
2607*1858f998SYi Kong         IF( RI( I ).NE.RJ( I ) )
2608*1858f998SYi Kong     $      GO TO 20
2609*1858f998SYi Kong   10 CONTINUE
2610*1858f998SYi Kong      LZE = .TRUE.
2611*1858f998SYi Kong      GO TO 30
2612*1858f998SYi Kong   20 CONTINUE
2613*1858f998SYi Kong      LZE = .FALSE.
2614*1858f998SYi Kong   30 RETURN
2615*1858f998SYi Kong*
2616*1858f998SYi Kong*     End of LZE.
2617*1858f998SYi Kong*
2618*1858f998SYi Kong      END
2619*1858f998SYi Kong      LOGICAL FUNCTION LZERES( TYPE, UPLO, M, N, AA, AS, LDA )
2620*1858f998SYi Kong*
2621*1858f998SYi Kong*  Tests if selected elements in two arrays are equal.
2622*1858f998SYi Kong*
2623*1858f998SYi Kong*  TYPE is 'ge', 'he' or 'hp'.
2624*1858f998SYi Kong*
2625*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
2626*1858f998SYi Kong*
2627*1858f998SYi Kong*  -- Written on 10-August-1987.
2628*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
2629*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
2630*1858f998SYi Kong*
2631*1858f998SYi Kong*     .. Scalar Arguments ..
2632*1858f998SYi Kong      INTEGER            LDA, M, N
2633*1858f998SYi Kong      CHARACTER*1        UPLO
2634*1858f998SYi Kong      CHARACTER*2        TYPE
2635*1858f998SYi Kong*     .. Array Arguments ..
2636*1858f998SYi Kong      COMPLEX*16         AA( LDA, * ), AS( LDA, * )
2637*1858f998SYi Kong*     .. Local Scalars ..
2638*1858f998SYi Kong      INTEGER            I, IBEG, IEND, J
2639*1858f998SYi Kong      LOGICAL            UPPER
2640*1858f998SYi Kong*     .. Executable Statements ..
2641*1858f998SYi Kong      UPPER = UPLO.EQ.'U'
2642*1858f998SYi Kong      IF( TYPE.EQ.'ge' )THEN
2643*1858f998SYi Kong         DO 20 J = 1, N
2644*1858f998SYi Kong            DO 10 I = M + 1, LDA
2645*1858f998SYi Kong               IF( AA( I, J ).NE.AS( I, J ) )
2646*1858f998SYi Kong     $            GO TO 70
2647*1858f998SYi Kong   10       CONTINUE
2648*1858f998SYi Kong   20    CONTINUE
2649*1858f998SYi Kong      ELSE IF( TYPE.EQ.'he' )THEN
2650*1858f998SYi Kong         DO 50 J = 1, N
2651*1858f998SYi Kong            IF( UPPER )THEN
2652*1858f998SYi Kong               IBEG = 1
2653*1858f998SYi Kong               IEND = J
2654*1858f998SYi Kong            ELSE
2655*1858f998SYi Kong               IBEG = J
2656*1858f998SYi Kong               IEND = N
2657*1858f998SYi Kong            END IF
2658*1858f998SYi Kong            DO 30 I = 1, IBEG - 1
2659*1858f998SYi Kong               IF( AA( I, J ).NE.AS( I, J ) )
2660*1858f998SYi Kong     $            GO TO 70
2661*1858f998SYi Kong   30       CONTINUE
2662*1858f998SYi Kong            DO 40 I = IEND + 1, LDA
2663*1858f998SYi Kong               IF( AA( I, J ).NE.AS( I, J ) )
2664*1858f998SYi Kong     $            GO TO 70
2665*1858f998SYi Kong   40       CONTINUE
2666*1858f998SYi Kong   50    CONTINUE
2667*1858f998SYi Kong      END IF
2668*1858f998SYi Kong*
2669*1858f998SYi Kong   60 CONTINUE
2670*1858f998SYi Kong      LZERES = .TRUE.
2671*1858f998SYi Kong      GO TO 80
2672*1858f998SYi Kong   70 CONTINUE
2673*1858f998SYi Kong      LZERES = .FALSE.
2674*1858f998SYi Kong   80 RETURN
2675*1858f998SYi Kong*
2676*1858f998SYi Kong*     End of LZERES.
2677*1858f998SYi Kong*
2678*1858f998SYi Kong      END
2679*1858f998SYi Kong      COMPLEX*16 FUNCTION ZBEG( RESET )
2680*1858f998SYi Kong*
2681*1858f998SYi Kong*  Generates complex numbers as pairs of random numbers uniformly
2682*1858f998SYi Kong*  distributed between -0.5 and 0.5.
2683*1858f998SYi Kong*
2684*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
2685*1858f998SYi Kong*
2686*1858f998SYi Kong*  -- Written on 10-August-1987.
2687*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
2688*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
2689*1858f998SYi Kong*
2690*1858f998SYi Kong*     .. Scalar Arguments ..
2691*1858f998SYi Kong      LOGICAL            RESET
2692*1858f998SYi Kong*     .. Local Scalars ..
2693*1858f998SYi Kong      INTEGER            I, IC, J, MI, MJ
2694*1858f998SYi Kong*     .. Save statement ..
2695*1858f998SYi Kong      SAVE               I, IC, J, MI, MJ
2696*1858f998SYi Kong*     .. Intrinsic Functions ..
2697*1858f998SYi Kong      INTRINSIC          DCMPLX
2698*1858f998SYi Kong*     .. Executable Statements ..
2699*1858f998SYi Kong      IF( RESET )THEN
2700*1858f998SYi Kong*        Initialize local variables.
2701*1858f998SYi Kong         MI = 891
2702*1858f998SYi Kong         MJ = 457
2703*1858f998SYi Kong         I = 7
2704*1858f998SYi Kong         J = 7
2705*1858f998SYi Kong         IC = 0
2706*1858f998SYi Kong         RESET = .FALSE.
2707*1858f998SYi Kong      END IF
2708*1858f998SYi Kong*
2709*1858f998SYi Kong*     The sequence of values of I or J is bounded between 1 and 999.
2710*1858f998SYi Kong*     If initial I or J = 1,2,3,6,7 or 9, the period will be 50.
2711*1858f998SYi Kong*     If initial I or J = 4 or 8, the period will be 25.
2712*1858f998SYi Kong*     If initial I or J = 5, the period will be 10.
2713*1858f998SYi Kong*     IC is used to break up the period by skipping 1 value of I or J
2714*1858f998SYi Kong*     in 6.
2715*1858f998SYi Kong*
2716*1858f998SYi Kong      IC = IC + 1
2717*1858f998SYi Kong   10 I = I*MI
2718*1858f998SYi Kong      J = J*MJ
2719*1858f998SYi Kong      I = I - 1000*( I/1000 )
2720*1858f998SYi Kong      J = J - 1000*( J/1000 )
2721*1858f998SYi Kong      IF( IC.GE.5 )THEN
2722*1858f998SYi Kong         IC = 0
2723*1858f998SYi Kong         GO TO 10
2724*1858f998SYi Kong      END IF
2725*1858f998SYi Kong      ZBEG = DCMPLX( ( I - 500 )/1001.0, ( J - 500 )/1001.0 )
2726*1858f998SYi Kong      RETURN
2727*1858f998SYi Kong*
2728*1858f998SYi Kong*     End of ZBEG.
2729*1858f998SYi Kong*
2730*1858f998SYi Kong      END
2731*1858f998SYi Kong      DOUBLE PRECISION FUNCTION DDIFF( X, Y )
2732*1858f998SYi Kong*
2733*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
2734*1858f998SYi Kong*
2735*1858f998SYi Kong*  -- Written on 10-August-1987.
2736*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
2737*1858f998SYi Kong*
2738*1858f998SYi Kong*     .. Scalar Arguments ..
2739*1858f998SYi Kong      DOUBLE PRECISION     X, Y
2740*1858f998SYi Kong*     .. Executable Statements ..
2741*1858f998SYi Kong      DDIFF = X - Y
2742*1858f998SYi Kong      RETURN
2743*1858f998SYi Kong*
2744*1858f998SYi Kong*     End of DDIFF.
2745*1858f998SYi Kong*
2746*1858f998SYi Kong      END
2747*1858f998SYi Kong      SUBROUTINE ZMAKE( TYPE, UPLO, DIAG, M, N, A, NMAX, AA, LDA, KL,
2748*1858f998SYi Kong     $                  KU, RESET, TRANSL )
2749*1858f998SYi Kong*
2750*1858f998SYi Kong*  Generates values for an M by N matrix A within the bandwidth
2751*1858f998SYi Kong*  defined by KL and KU.
2752*1858f998SYi Kong*  Stores the values in the array AA in the data structure required
2753*1858f998SYi Kong*  by the routine, with unwanted elements set to rogue value.
2754*1858f998SYi Kong*
2755*1858f998SYi Kong*  TYPE is 'ge', 'gb', 'he', 'hb', 'hp', 'tr', 'tb' OR 'tp'.
2756*1858f998SYi Kong*
2757*1858f998SYi Kong*  Auxiliary routine for test program for Level 2 Blas.
2758*1858f998SYi Kong*
2759*1858f998SYi Kong*  -- Written on 10-August-1987.
2760*1858f998SYi Kong*     Richard Hanson, Sandia National Labs.
2761*1858f998SYi Kong*     Jeremy Du Croz, NAG Central Office.
2762*1858f998SYi Kong*
2763*1858f998SYi Kong*     .. Parameters ..
2764*1858f998SYi Kong      COMPLEX*16         ZERO, ONE
2765*1858f998SYi Kong      PARAMETER          ( ZERO = ( 0.0D0, 0.0D0 ),
2766*1858f998SYi Kong     $                   ONE = ( 1.0D0, 0.0D0 ) )
2767*1858f998SYi Kong      COMPLEX*16         ROGUE
2768*1858f998SYi Kong      PARAMETER          ( ROGUE = ( -1.0D10, 1.0D10 ) )
2769*1858f998SYi Kong      DOUBLE PRECISION   RZERO
2770*1858f998SYi Kong      PARAMETER          ( RZERO = 0.0D0 )
2771*1858f998SYi Kong      DOUBLE PRECISION   RROGUE
2772*1858f998SYi Kong      PARAMETER          ( RROGUE = -1.0D10 )
2773*1858f998SYi Kong*     .. Scalar Arguments ..
2774*1858f998SYi Kong      COMPLEX*16         TRANSL
2775*1858f998SYi Kong      INTEGER            KL, KU, LDA, M, N, NMAX
2776*1858f998SYi Kong      LOGICAL            RESET
2777*1858f998SYi Kong      CHARACTER*1        DIAG, UPLO
2778*1858f998SYi Kong      CHARACTER*2        TYPE
2779*1858f998SYi Kong*     .. Array Arguments ..
2780*1858f998SYi Kong      COMPLEX*16         A( NMAX, * ), AA( * )
2781*1858f998SYi Kong*     .. Local Scalars ..
2782*1858f998SYi Kong      INTEGER            I, I1, I2, I3, IBEG, IEND, IOFF, J, JJ, KK
2783*1858f998SYi Kong      LOGICAL            GEN, LOWER, SYM, TRI, UNIT, UPPER
2784*1858f998SYi Kong*     .. External Functions ..
2785*1858f998SYi Kong      COMPLEX*16         ZBEG
2786*1858f998SYi Kong      EXTERNAL           ZBEG
2787*1858f998SYi Kong*     .. Intrinsic Functions ..
2788*1858f998SYi Kong      INTRINSIC          DCMPLX, DCONJG, MAX, MIN, DBLE
2789*1858f998SYi Kong*     .. Executable Statements ..
2790*1858f998SYi Kong      GEN = TYPE( 1: 1 ).EQ.'g'
2791*1858f998SYi Kong      SYM = TYPE( 1: 1 ).EQ.'h'
2792*1858f998SYi Kong      TRI = TYPE( 1: 1 ).EQ.'t'
2793*1858f998SYi Kong      UPPER = ( SYM.OR.TRI ).AND.UPLO.EQ.'U'
2794*1858f998SYi Kong      LOWER = ( SYM.OR.TRI ).AND.UPLO.EQ.'L'
2795*1858f998SYi Kong      UNIT = TRI.AND.DIAG.EQ.'U'
2796*1858f998SYi Kong*
2797*1858f998SYi Kong*     Generate data in array A.
2798*1858f998SYi Kong*
2799*1858f998SYi Kong      DO 20 J = 1, N
2800*1858f998SYi Kong         DO 10 I = 1, M
2801*1858f998SYi Kong            IF( GEN.OR.( UPPER.AND.I.LE.J ).OR.( LOWER.AND.I.GE.J ) )
2802*1858f998SYi Kong     $          THEN
2803*1858f998SYi Kong               IF( ( I.LE.J.AND.J - I.LE.KU ).OR.
2804*1858f998SYi Kong     $             ( I.GE.J.AND.I - J.LE.KL ) )THEN
2805*1858f998SYi Kong                  A( I, J ) = ZBEG( RESET ) + TRANSL
2806*1858f998SYi Kong               ELSE
2807*1858f998SYi Kong                  A( I, J ) = ZERO
2808*1858f998SYi Kong               END IF
2809*1858f998SYi Kong               IF( I.NE.J )THEN
2810*1858f998SYi Kong                  IF( SYM )THEN
2811*1858f998SYi Kong                     A( J, I ) = DCONJG( A( I, J ) )
2812*1858f998SYi Kong                  ELSE IF( TRI )THEN
2813*1858f998SYi Kong                     A( J, I ) = ZERO
2814*1858f998SYi Kong                  END IF
2815*1858f998SYi Kong               END IF
2816*1858f998SYi Kong            END IF
2817*1858f998SYi Kong   10    CONTINUE
2818*1858f998SYi Kong         IF( SYM )
2819*1858f998SYi Kong     $      A( J, J ) = DCMPLX( DBLE( A( J, J ) ), RZERO )
2820*1858f998SYi Kong         IF( TRI )
2821*1858f998SYi Kong     $      A( J, J ) = A( J, J ) + ONE
2822*1858f998SYi Kong         IF( UNIT )
2823*1858f998SYi Kong     $      A( J, J ) = ONE
2824*1858f998SYi Kong   20 CONTINUE
2825*1858f998SYi Kong*
2826*1858f998SYi Kong*     Store elements in array AS in data structure required by routine.
2827*1858f998SYi Kong*
2828*1858f998SYi Kong      IF( TYPE.EQ.'ge' )THEN
2829*1858f998SYi Kong         DO 50 J = 1, N
2830*1858f998SYi Kong            DO 30 I = 1, M
2831*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = A( I, J )
2832*1858f998SYi Kong   30       CONTINUE
2833*1858f998SYi Kong            DO 40 I = M + 1, LDA
2834*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2835*1858f998SYi Kong   40       CONTINUE
2836*1858f998SYi Kong   50    CONTINUE
2837*1858f998SYi Kong      ELSE IF( TYPE.EQ.'gb' )THEN
2838*1858f998SYi Kong         DO 90 J = 1, N
2839*1858f998SYi Kong            DO 60 I1 = 1, KU + 1 - J
2840*1858f998SYi Kong               AA( I1 + ( J - 1 )*LDA ) = ROGUE
2841*1858f998SYi Kong   60       CONTINUE
2842*1858f998SYi Kong            DO 70 I2 = I1, MIN( KL + KU + 1, KU + 1 + M - J )
2843*1858f998SYi Kong               AA( I2 + ( J - 1 )*LDA ) = A( I2 + J - KU - 1, J )
2844*1858f998SYi Kong   70       CONTINUE
2845*1858f998SYi Kong            DO 80 I3 = I2, LDA
2846*1858f998SYi Kong               AA( I3 + ( J - 1 )*LDA ) = ROGUE
2847*1858f998SYi Kong   80       CONTINUE
2848*1858f998SYi Kong   90    CONTINUE
2849*1858f998SYi Kong      ELSE IF( TYPE.EQ.'he'.OR.TYPE.EQ.'tr' )THEN
2850*1858f998SYi Kong         DO 130 J = 1, N
2851*1858f998SYi Kong            IF( UPPER )THEN
2852*1858f998SYi Kong               IBEG = 1
2853*1858f998SYi Kong               IF( UNIT )THEN
2854*1858f998SYi Kong                  IEND = J - 1
2855*1858f998SYi Kong               ELSE
2856*1858f998SYi Kong                  IEND = J
2857*1858f998SYi Kong               END IF
2858*1858f998SYi Kong            ELSE
2859*1858f998SYi Kong               IF( UNIT )THEN
2860*1858f998SYi Kong                  IBEG = J + 1
2861*1858f998SYi Kong               ELSE
2862*1858f998SYi Kong                  IBEG = J
2863*1858f998SYi Kong               END IF
2864*1858f998SYi Kong               IEND = N
2865*1858f998SYi Kong            END IF
2866*1858f998SYi Kong            DO 100 I = 1, IBEG - 1
2867*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2868*1858f998SYi Kong  100       CONTINUE
2869*1858f998SYi Kong            DO 110 I = IBEG, IEND
2870*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = A( I, J )
2871*1858f998SYi Kong  110       CONTINUE
2872*1858f998SYi Kong            DO 120 I = IEND + 1, LDA
2873*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2874*1858f998SYi Kong  120       CONTINUE
2875*1858f998SYi Kong            IF( SYM )THEN
2876*1858f998SYi Kong               JJ = J + ( J - 1 )*LDA
2877*1858f998SYi Kong               AA( JJ ) = DCMPLX( DBLE( AA( JJ ) ), RROGUE )
2878*1858f998SYi Kong            END IF
2879*1858f998SYi Kong  130    CONTINUE
2880*1858f998SYi Kong      ELSE IF( TYPE.EQ.'hb'.OR.TYPE.EQ.'tb' )THEN
2881*1858f998SYi Kong         DO 170 J = 1, N
2882*1858f998SYi Kong            IF( UPPER )THEN
2883*1858f998SYi Kong               KK = KL + 1
2884*1858f998SYi Kong               IBEG = MAX( 1, KL + 2 - J )
2885*1858f998SYi Kong               IF( UNIT )THEN
2886*1858f998SYi Kong                  IEND = KL
2887*1858f998SYi Kong               ELSE
2888*1858f998SYi Kong                  IEND = KL + 1
2889*1858f998SYi Kong               END IF
2890*1858f998SYi Kong            ELSE
2891*1858f998SYi Kong               KK = 1
2892*1858f998SYi Kong               IF( UNIT )THEN
2893*1858f998SYi Kong                  IBEG = 2
2894*1858f998SYi Kong               ELSE
2895*1858f998SYi Kong                  IBEG = 1
2896*1858f998SYi Kong               END IF
2897*1858f998SYi Kong               IEND = MIN( KL + 1, 1 + M - J )
2898*1858f998SYi Kong            END IF
2899*1858f998SYi Kong            DO 140 I = 1, IBEG - 1
2900*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2901*1858f998SYi Kong  140       CONTINUE
2902*1858f998SYi Kong            DO 150 I = IBEG, IEND
2903*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = A( I + J - KK, J )
2904*1858f998SYi Kong  150       CONTINUE
2905*1858f998SYi Kong            DO 160 I = IEND + 1, LDA
2906*1858f998SYi Kong               AA( I + ( J - 1 )*LDA ) = ROGUE
2907*1858f998SYi Kong  160       CONTINUE
2908*1858f998SYi Kong            IF( SYM )THEN
2909*1858f998SYi Kong               JJ = KK + ( J - 1 )*LDA
2910*1858f998SYi Kong               AA( JJ ) = DCMPLX( DBLE( AA( JJ ) ), RROGUE )
2911*1858f998SYi Kong            END IF
2912*1858f998SYi Kong  170    CONTINUE
2913*1858f998SYi Kong      ELSE IF( TYPE.EQ.'hp'.OR.TYPE.EQ.'tp' )THEN
2914*1858f998SYi Kong         IOFF = 0
2915*1858f998SYi Kong         DO 190 J = 1, N
2916*1858f998SYi Kong            IF( UPPER )THEN
2917*1858f998SYi Kong               IBEG = 1
2918*1858f998SYi Kong               IEND = J
2919*1858f998SYi Kong            ELSE
2920*1858f998SYi Kong               IBEG = J
2921*1858f998SYi Kong               IEND = N
2922*1858f998SYi Kong            END IF
2923*1858f998SYi Kong            DO 180 I = IBEG, IEND
2924*1858f998SYi Kong               IOFF = IOFF + 1
2925*1858f998SYi Kong               AA( IOFF ) = A( I, J )
2926*1858f998SYi Kong               IF( I.EQ.J )THEN
2927*1858f998SYi Kong                  IF( UNIT )
2928*1858f998SYi Kong     $               AA( IOFF ) = ROGUE
2929*1858f998SYi Kong                  IF( SYM )
2930*1858f998SYi Kong     $               AA( IOFF ) = DCMPLX( DBLE( AA( IOFF ) ), RROGUE )
2931*1858f998SYi Kong               END IF
2932*1858f998SYi Kong  180       CONTINUE
2933*1858f998SYi Kong  190    CONTINUE
2934*1858f998SYi Kong      END IF
2935*1858f998SYi Kong      RETURN
2936*1858f998SYi Kong*
2937*1858f998SYi Kong*     End of ZMAKE.
2938*1858f998SYi Kong*
2939*1858f998SYi Kong      END
2940