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c_sblat1.f
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PROGRAM SCBLAT1
* Test program for the REAL Level 1 CBLAS.
* Based upon the original CBLAS test routine together with:
* F06EAF Example Program Text
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
REAL SFAC
INTEGER IC
* .. External Subroutines ..
EXTERNAL CHECK0, CHECK1, CHECK2, CHECK3, HEADER
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Data statements ..
DATA SFAC/9.765625E-4/
* .. Executable Statements ..
WRITE (NOUT,99999)
DO 20 IC = 1, 11
ICASE = IC
CALL HEADER
*
* .. Initialize PASS, INCX, INCY, and MODE for a new case. ..
* .. the value 9999 for INCX, INCY or MODE will appear in the ..
* .. detailed output, if any, for cases that do not involve ..
* .. these parameters ..
*
PASS = .TRUE.
INCX = 9999
INCY = 9999
MODE = 9999
IF (ICASE.EQ.3) THEN
CALL CHECK0(SFAC)
ELSE IF (ICASE.EQ.7 .OR. ICASE.EQ.8 .OR. ICASE.EQ.9 .OR.
+ ICASE.EQ.10) THEN
CALL CHECK1(SFAC)
ELSE IF (ICASE.EQ.1 .OR. ICASE.EQ.2 .OR. ICASE.EQ.5 .OR.
+ ICASE.EQ.6) THEN
CALL CHECK2(SFAC)
ELSE IF (ICASE.EQ.4 .OR. ICASE.EQ.11) THEN
CALL CHECK3(SFAC)
END IF
* -- Print
IF (PASS) THEN
WRITE (NOUT,99998)
ELSE
ERROR STOP
END IF
20 CONTINUE
*
99999 FORMAT (' Real CBLAS Test Program Results',/1X)
99998 FORMAT (' ----- PASS -----')
END
SUBROUTINE HEADER
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Arrays ..
CHARACTER*15 L(11)
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Data statements ..
DATA L(1)/'CBLAS_SDOT '/
DATA L(2)/'CBLAS_SAXPY '/
DATA L(3)/'CBLAS_SROTG '/
DATA L(4)/'CBLAS_SROT '/
DATA L(5)/'CBLAS_SCOPY '/
DATA L(6)/'CBLAS_SSWAP '/
DATA L(7)/'CBLAS_SNRM2 '/
DATA L(8)/'CBLAS_SASUM '/
DATA L(9)/'CBLAS_SSCAL '/
DATA L(10)/'CBLAS_ISAMAX'/
DATA L(11)/'CBLAS_SROTM'/
* .. Executable Statements ..
WRITE (NOUT,99999) ICASE, L(ICASE)
RETURN
*
99999 FORMAT (/' Test of subprogram number',I3,9X,A15)
END
SUBROUTINE CHECK0(SFAC)
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
REAL SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
REAL SA, SB, SC, SS
INTEGER K
* .. Local Arrays ..
REAL DA1(8), DATRUE(8), DB1(8), DBTRUE(8), DC1(8),
+ DS1(8)
* .. External Subroutines ..
EXTERNAL SROTGTEST, STEST1
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Data statements ..
DATA DA1/0.3E0, 0.4E0, -0.3E0, -0.4E0, -0.3E0, 0.0E0,
+ 0.0E0, 1.0E0/
DATA DB1/0.4E0, 0.3E0, 0.4E0, 0.3E0, -0.4E0, 0.0E0,
+ 1.0E0, 0.0E0/
DATA DC1/0.6E0, 0.8E0, -0.6E0, 0.8E0, 0.6E0, 1.0E0,
+ 0.0E0, 1.0E0/
DATA DS1/0.8E0, 0.6E0, 0.8E0, -0.6E0, 0.8E0, 0.0E0,
+ 1.0E0, 0.0E0/
DATA DATRUE/0.5E0, 0.5E0, 0.5E0, -0.5E0, -0.5E0,
+ 0.0E0, 1.0E0, 1.0E0/
DATA DBTRUE/0.0E0, 0.6E0, 0.0E0, -0.6E0, 0.0E0,
+ 0.0E0, 1.0E0, 0.0E0/
* .. Executable Statements ..
*
* Compute true values which cannot be prestored
* in decimal notation
*
DBTRUE(1) = 1.0E0/0.6E0
DBTRUE(3) = -1.0E0/0.6E0
DBTRUE(5) = 1.0E0/0.6E0
*
DO 20 K = 1, 8
* .. Set N=K for identification in output if any ..
N = K
IF (ICASE.EQ.3) THEN
* .. SROTGTEST ..
IF (K.GT.8) GO TO 40
SA = DA1(K)
SB = DB1(K)
CALL SROTGTEST(SA,SB,SC,SS)
CALL STEST1(SA,DATRUE(K),DATRUE(K),SFAC)
CALL STEST1(SB,DBTRUE(K),DBTRUE(K),SFAC)
CALL STEST1(SC,DC1(K),DC1(K),SFAC)
CALL STEST1(SS,DS1(K),DS1(K),SFAC)
ELSE
WRITE (NOUT,*) ' Shouldn''t be here in CHECK0'
ERROR STOP
END IF
20 CONTINUE
40 RETURN
END
SUBROUTINE CHECK1(SFAC)
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
REAL SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
INTEGER I, LEN, NP1
* .. Local Arrays ..
REAL DTRUE1(5), DTRUE3(5), DTRUE5(8,5,2), DV(8,5,2),
+ SA(10), STEMP(1), STRUE(8), SX(8)
INTEGER ITRUE2(5)
* .. External Functions ..
REAL SASUMTEST, SNRM2TEST
INTEGER ISAMAXTEST
EXTERNAL SASUMTEST, SNRM2TEST, ISAMAXTEST
* .. External Subroutines ..
EXTERNAL ITEST1, SSCALTEST, STEST, STEST1
* .. Intrinsic Functions ..
INTRINSIC MAX
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Data statements ..
DATA SA/0.3E0, -1.0E0, 0.0E0, 1.0E0, 0.3E0, 0.3E0,
+ 0.3E0, 0.3E0, 0.3E0, 0.3E0/
DATA DV/0.1E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0,
+ 2.0E0, 2.0E0, 0.3E0, 3.0E0, 3.0E0, 3.0E0, 3.0E0,
+ 3.0E0, 3.0E0, 3.0E0, 0.3E0, -0.4E0, 4.0E0,
+ 4.0E0, 4.0E0, 4.0E0, 4.0E0, 4.0E0, 0.2E0,
+ -0.6E0, 0.3E0, 5.0E0, 5.0E0, 5.0E0, 5.0E0,
+ 5.0E0, 0.1E0, -0.3E0, 0.5E0, -0.1E0, 6.0E0,
+ 6.0E0, 6.0E0, 6.0E0, 0.1E0, 8.0E0, 8.0E0, 8.0E0,
+ 8.0E0, 8.0E0, 8.0E0, 8.0E0, 0.3E0, 9.0E0, 9.0E0,
+ 9.0E0, 9.0E0, 9.0E0, 9.0E0, 9.0E0, 0.3E0, 2.0E0,
+ -0.4E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0,
+ 0.2E0, 3.0E0, -0.6E0, 5.0E0, 0.3E0, 2.0E0,
+ 2.0E0, 2.0E0, 0.1E0, 4.0E0, -0.3E0, 6.0E0,
+ -0.5E0, 7.0E0, -0.1E0, 3.0E0/
DATA DTRUE1/0.0E0, 0.3E0, 0.5E0, 0.7E0, 0.6E0/
DATA DTRUE3/0.0E0, 0.3E0, 0.7E0, 1.1E0, 1.0E0/
DATA DTRUE5/0.10E0, 2.0E0, 2.0E0, 2.0E0, 2.0E0,
+ 2.0E0, 2.0E0, 2.0E0, -0.3E0, 3.0E0, 3.0E0,
+ 3.0E0, 3.0E0, 3.0E0, 3.0E0, 3.0E0, 0.0E0, 0.0E0,
+ 4.0E0, 4.0E0, 4.0E0, 4.0E0, 4.0E0, 4.0E0,
+ 0.20E0, -0.60E0, 0.30E0, 5.0E0, 5.0E0, 5.0E0,
+ 5.0E0, 5.0E0, 0.03E0, -0.09E0, 0.15E0, -0.03E0,
+ 6.0E0, 6.0E0, 6.0E0, 6.0E0, 0.10E0, 8.0E0,
+ 8.0E0, 8.0E0, 8.0E0, 8.0E0, 8.0E0, 8.0E0,
+ 0.09E0, 9.0E0, 9.0E0, 9.0E0, 9.0E0, 9.0E0,
+ 9.0E0, 9.0E0, 0.09E0, 2.0E0, -0.12E0, 2.0E0,
+ 2.0E0, 2.0E0, 2.0E0, 2.0E0, 0.06E0, 3.0E0,
+ -0.18E0, 5.0E0, 0.09E0, 2.0E0, 2.0E0, 2.0E0,
+ 0.03E0, 4.0E0, -0.09E0, 6.0E0, -0.15E0, 7.0E0,
+ -0.03E0, 3.0E0/
DATA ITRUE2/0, 1, 2, 2, 3/
* .. Executable Statements ..
DO 80 INCX = 1, 2
DO 60 NP1 = 1, 5
N = NP1 - 1
LEN = 2*MAX(N,1)
* .. Set vector arguments ..
DO 20 I = 1, LEN
SX(I) = DV(I,NP1,INCX)
20 CONTINUE
*
IF (ICASE.EQ.7) THEN
* .. SNRM2TEST ..
STEMP(1) = DTRUE1(NP1)
CALL STEST1(SNRM2TEST(N,SX,INCX),STEMP(1),STEMP,SFAC)
ELSE IF (ICASE.EQ.8) THEN
* .. SASUMTEST ..
STEMP(1) = DTRUE3(NP1)
CALL STEST1(SASUMTEST(N,SX,INCX),STEMP(1),STEMP,SFAC)
ELSE IF (ICASE.EQ.9) THEN
* .. SSCALTEST ..
CALL SSCALTEST(N,SA((INCX-1)*5+NP1),SX,INCX)
DO 40 I = 1, LEN
STRUE(I) = DTRUE5(I,NP1,INCX)
40 CONTINUE
CALL STEST(LEN,SX,STRUE,STRUE,SFAC)
ELSE IF (ICASE.EQ.10) THEN
* .. ISAMAXTEST ..
CALL ITEST1(ISAMAXTEST(N,SX,INCX),ITRUE2(NP1))
ELSE
WRITE (NOUT,*) ' Shouldn''t be here in CHECK1'
ERROR STOP
END IF
60 CONTINUE
80 CONTINUE
RETURN
END
SUBROUTINE CHECK2(SFAC)
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
REAL SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
REAL SA
INTEGER I, J, KI, KN, KSIZE, LENX, LENY, MX, MY
* .. Local Arrays ..
REAL DT10X(7,4,4), DT10Y(7,4,4), DT7(4,4),
+ DT8(7,4,4), DX1(7),
+ DY1(7), SSIZE1(4), SSIZE2(14,2), STX(7), STY(7),
+ SX(7), SY(7)
INTEGER INCXS(4), INCYS(4), LENS(4,2), NS(4)
* .. External Functions ..
REAL SDOTTEST
EXTERNAL SDOTTEST
* .. External Subroutines ..
EXTERNAL SAXPYTEST, SCOPYTEST, SSWAPTEST, STEST, STEST1
* .. Intrinsic Functions ..
INTRINSIC ABS, MIN
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Data statements ..
DATA SA/0.3E0/
DATA INCXS/1, 2, -2, -1/
DATA INCYS/1, -2, 1, -2/
DATA LENS/1, 1, 2, 4, 1, 1, 3, 7/
DATA NS/0, 1, 2, 4/
DATA DX1/0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.9E0, -0.3E0,
+ -0.4E0/
DATA DY1/0.5E0, -0.9E0, 0.3E0, 0.7E0, -0.6E0, 0.2E0,
+ 0.8E0/
DATA DT7/0.0E0, 0.30E0, 0.21E0, 0.62E0, 0.0E0,
+ 0.30E0, -0.07E0, 0.85E0, 0.0E0, 0.30E0, -0.79E0,
+ -0.74E0, 0.0E0, 0.30E0, 0.33E0, 1.27E0/
DATA DT8/0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.68E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.68E0, -0.87E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.68E0, -0.87E0, 0.15E0,
+ 0.94E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.68E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.35E0, -0.9E0, 0.48E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.38E0, -0.9E0, 0.57E0, 0.7E0, -0.75E0,
+ 0.2E0, 0.98E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.68E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.35E0, -0.72E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.38E0,
+ -0.63E0, 0.15E0, 0.88E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.68E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.68E0, -0.9E0, 0.33E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.68E0, -0.9E0, 0.33E0, 0.7E0,
+ -0.75E0, 0.2E0, 1.04E0/
DATA DT10X/0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.5E0, -0.9E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.5E0, -0.9E0, 0.3E0, 0.7E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.3E0, 0.1E0, 0.5E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.8E0, 0.1E0, -0.6E0,
+ 0.8E0, 0.3E0, -0.3E0, 0.5E0, 0.6E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.5E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, -0.9E0,
+ 0.1E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.7E0,
+ 0.1E0, 0.3E0, 0.8E0, -0.9E0, -0.3E0, 0.5E0,
+ 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.5E0, 0.3E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.5E0, 0.3E0, -0.6E0, 0.8E0, 0.0E0, 0.0E0,
+ 0.0E0/
DATA DT10Y/0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.6E0, 0.1E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, -0.5E0, -0.9E0, 0.6E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, -0.4E0, -0.9E0, 0.9E0,
+ 0.7E0, -0.5E0, 0.2E0, 0.6E0, 0.5E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.6E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, -0.5E0,
+ 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ -0.4E0, 0.9E0, -0.5E0, 0.6E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.5E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.6E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.6E0, -0.9E0, 0.1E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.6E0, -0.9E0, 0.1E0, 0.7E0,
+ -0.5E0, 0.2E0, 0.8E0/
DATA SSIZE1/0.0E0, 0.3E0, 1.6E0, 3.2E0/
DATA SSIZE2/0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
+ 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
+ 1.17E0, 1.17E0, 1.17E0/
* .. Executable Statements ..
*
DO 120 KI = 1, 4
INCX = INCXS(KI)
INCY = INCYS(KI)
MX = ABS(INCX)
MY = ABS(INCY)
*
DO 100 KN = 1, 4
N = NS(KN)
KSIZE = MIN(2,KN)
LENX = LENS(KN,MX)
LENY = LENS(KN,MY)
* .. Initialize all argument arrays ..
DO 20 I = 1, 7
SX(I) = DX1(I)
SY(I) = DY1(I)
20 CONTINUE
*
IF (ICASE.EQ.1) THEN
* .. SDOTTEST ..
CALL STEST1(SDOTTEST(N,SX,INCX,SY,INCY),DT7(KN,KI),
+ SSIZE1(KN),SFAC)
ELSE IF (ICASE.EQ.2) THEN
* .. SAXPYTEST ..
CALL SAXPYTEST(N,SA,SX,INCX,SY,INCY)
DO 40 J = 1, LENY
STY(J) = DT8(J,KN,KI)
40 CONTINUE
CALL STEST(LENY,SY,STY,SSIZE2(1,KSIZE),SFAC)
ELSE IF (ICASE.EQ.5) THEN
* .. SCOPYTEST ..
DO 60 I = 1, 7
STY(I) = DT10Y(I,KN,KI)
60 CONTINUE
CALL SCOPYTEST(N,SX,INCX,SY,INCY)
CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0E0)
ELSE IF (ICASE.EQ.6) THEN
* .. SSWAPTEST ..
CALL SSWAPTEST(N,SX,INCX,SY,INCY)
DO 80 I = 1, 7
STX(I) = DT10X(I,KN,KI)
STY(I) = DT10Y(I,KN,KI)
80 CONTINUE
CALL STEST(LENX,SX,STX,SSIZE2(1,1),1.0E0)
CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0E0)
ELSE
WRITE (NOUT,*) ' Shouldn''t be here in CHECK2'
ERROR STOP
END IF
100 CONTINUE
120 CONTINUE
RETURN
END
SUBROUTINE CHECK3(SFAC)
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
REAL SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, N
LOGICAL PASS
* .. Local Scalars ..
REAL SC, SS
INTEGER I, K, KI, KN, KSIZE, LEN
* .. Local Arrays ..
REAL DX(19), DY(19),
+ SSIZE2(19,2), STX(19), STY(19), SX(19), SY(19),
+ PARAM(5, 4), SPARAM(5)
INTEGER INCXS(7), INCYS(7), NS(7)
* .. External Subroutines ..
EXTERNAL SROTMTEST, SROTM
* .. Intrinsic Functions ..
INTRINSIC MIN
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Data statements ..
DATA INCXS/1, 1, 2, 2, -2, -1, -2/
DATA INCYS/1, 2, 2, -2, 1, -2, -2/
DATA NS/0, 1, 2, 4, 5, 8, 9/
DATA DX/0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.9E0, -0.3E0,
+ -0.4E0, 0.5E0, -0.9E0, 0.3E0, 0.7E0, -0.6E0,
+ 0.2E0, 0.8E0, -0.46E0, 0.78E0, -0.46E0, -0.22E0,
+ 1.06E0/
DATA DY/0.5E0, -0.9E0, 0.3E0, 0.7E0, -0.6E0, 0.2E0,
+ 0.6E0, 0.1E0, -0.5E0, 0.8E0, 0.9E0, -0.3E0,
+ 0.96E0, 0.1E0, -0.76E0, 0.8E0, 0.90E0, 0.66E0,
+ 0.8E0/
DATA SC, SS/0.8E0, 0.6E0/
DATA PARAM/-2.0E0, 1.0E0, 0.0E0, 0.0E0, 1.0E0,
+ -1.0E0, 0.2E0, 0.3E0, 0.4E0, 0.5E0,
+ 0.0E0, 1.0E0, 0.3E0, 0.4E0, 1.0E0,
+ 1.0E0, 0.2E0, -1.0E0, 1.0E0, 0.5E0/
DATA LEN/19/
DATA SSIZE2/0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0, 0.0E0,
+ 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
+ 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
+ 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0, 1.17E0,
+ 1.17E0/
* .. Executable Statements ..
*
DO 60 KI = 1, 7
INCX = INCXS(KI)
INCY = INCYS(KI)
*
DO 40 KN = 1, 7
N = NS(KN)
KSIZE = MIN(2,KN)
*
IF (ICASE.EQ.4) THEN
* .. SROTTEST ..
DO 20 I = 1, 19
SX(I) = DX(I)
SY(I) = DY(I)
STX(I) = DX(I)
STY(I) = DY(I)
20 CONTINUE
CALL SROTTEST(N,SX,INCX,SY,INCY,SC,SS)
CALL SROT(N,STX,INCX,STY,INCY,SC,SS)
CALL STEST(LEN,SX,STX,SSIZE2(1,KSIZE),SFAC)
CALL STEST(LEN,SY,STY,SSIZE2(1,KSIZE),SFAC)
ELSE IF (ICASE.EQ.11) THEN
* .. SROTMTEST ..
DO 90 I = 1, 19
SX(I) = DX(I)
SY(I) = DY(I)
STX(I) = DX(I)
STY(I) = DY(I)
90 CONTINUE
DO 70 I = 1, 4
DO 80 K = 1, 5
SPARAM(K) = PARAM(K,I)
80 CONTINUE
CALL SROTMTEST(N,SX,INCX,SY,INCY,SPARAM)
CALL SROTM(N,STX,INCX,STY,INCY,SPARAM)
CALL STEST(LEN,SX,STX,SSIZE2(1,KSIZE),SFAC)
CALL STEST(LEN,SY,STY,SSIZE2(1,KSIZE),SFAC)
70 CONTINUE
ELSE
WRITE (NOUT,*) ' Shouldn''t be here in CHECK3'
ERROR STOP
END IF
40 CONTINUE
60 CONTINUE
RETURN
END
SUBROUTINE STEST(LEN,SCOMP,STRUE,SSIZE,SFAC)
* ********************************* STEST **************************
*
* THIS SUBR COMPARES ARRAYS SCOMP() AND STRUE() OF LENGTH LEN TO
* SEE IF THE TERM BY TERM DIFFERENCES, MULTIPLIED BY SFAC, ARE
* NEGLIGIBLE.
*
* C. L. LAWSON, JPL, 1974 DEC 10
*
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
REAL SFAC
INTEGER LEN
* .. Array Arguments ..
REAL SCOMP(LEN), SSIZE(LEN), STRUE(LEN)
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
REAL SD
INTEGER I
* .. External Functions ..
REAL SDIFF
EXTERNAL SDIFF
* .. Intrinsic Functions ..
INTRINSIC ABS
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Executable Statements ..
*
DO 40 I = 1, LEN
SD = SCOMP(I) - STRUE(I)
IF (SDIFF(ABS(SSIZE(I))+ABS(SFAC*SD),ABS(SSIZE(I))).EQ.0.0E0)
+ GO TO 40
*
* HERE SCOMP(I) IS NOT CLOSE TO STRUE(I).
*
IF ( .NOT. PASS) GO TO 20
* PRINT FAIL MESSAGE AND HEADER.
PASS = .FALSE.
WRITE (NOUT,99999)
WRITE (NOUT,99998)
20 WRITE (NOUT,99997) ICASE, N, INCX, INCY, MODE, I, SCOMP(I),
+ STRUE(I), SD, SSIZE(I)
40 CONTINUE
RETURN
*
99999 FORMAT (' FAIL')
99998 FORMAT (/' CASE N INCX INCY MODE I ',
+ ' COMP(I) TRUE(I) DIFFERENCE',
+ ' SIZE(I)',/1X)
99997 FORMAT (1X,I4,I3,3I5,I3,2E36.8,2E12.4)
END
SUBROUTINE STEST1(SCOMP1,STRUE1,SSIZE,SFAC)
* ************************* STEST1 *****************************
*
* THIS IS AN INTERFACE SUBROUTINE TO ACCOMMODATE THE FORTRAN
* REQUIREMENT THAT WHEN A DUMMY ARGUMENT IS AN ARRAY, THE
* ACTUAL ARGUMENT MUST ALSO BE AN ARRAY OR AN ARRAY ELEMENT.
*
* C.L. LAWSON, JPL, 1978 DEC 6
*
* .. Scalar Arguments ..
REAL SCOMP1, SFAC, STRUE1
* .. Array Arguments ..
REAL SSIZE(*)
* .. Local Arrays ..
REAL SCOMP(1), STRUE(1)
* .. External Subroutines ..
EXTERNAL STEST
* .. Executable Statements ..
*
SCOMP(1) = SCOMP1
STRUE(1) = STRUE1
CALL STEST(1,SCOMP,STRUE,SSIZE,SFAC)
*
RETURN
END
REAL FUNCTION SDIFF(SA,SB)
* ********************************* SDIFF **************************
* COMPUTES DIFFERENCE OF TWO NUMBERS. C. L. LAWSON, JPL 1974 FEB 15
*
* .. Scalar Arguments ..
REAL SA, SB
* .. Executable Statements ..
SDIFF = SA - SB
RETURN
END
SUBROUTINE ITEST1(ICOMP,ITRUE)
* ********************************* ITEST1 *************************
*
* THIS SUBROUTINE COMPARES THE VARIABLES ICOMP AND ITRUE FOR
* EQUALITY.
* C. L. LAWSON, JPL, 1974 DEC 10
*
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
INTEGER ICOMP, ITRUE
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
INTEGER ID
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Executable Statements ..
*
IF (ICOMP.EQ.ITRUE) GO TO 40
*
* HERE ICOMP IS NOT EQUAL TO ITRUE.
*
IF ( .NOT. PASS) GO TO 20
* PRINT FAIL MESSAGE AND HEADER.
PASS = .FALSE.
WRITE (NOUT,99999)
WRITE (NOUT,99998)
20 ID = ICOMP - ITRUE
WRITE (NOUT,99997) ICASE, N, INCX, INCY, MODE, ICOMP, ITRUE, ID
40 CONTINUE
RETURN
*
99999 FORMAT (' FAIL')
99998 FORMAT (/' CASE N INCX INCY MODE ',
+ ' COMP TRUE DIFFERENCE',
+ /1X)
99997 FORMAT (1X,I4,I3,3I5,2I36,I12)
END
SUBROUTINE SROT(N,SX,INCX,SY,INCY,C,S)
*
* --Reference BLAS level1 routine (version 3.8.0) --
* --Reference BLAS is a software package provided by Univ. of Tennessee, --
* --Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
* November 2017
*
* .. Scalar Arguments ..
REAL C,S
INTEGER INCX,INCY,N
* ..
* .. Array Arguments ..
REAL SX(*),SY(*)
* ..
* .. Local Scalars ..
REAL STEMP
INTEGER I,IX,IY
* ..
IF (n.LE.0) RETURN
IF (incx.EQ.1 .AND. incy.EQ.1) THEN
DO i = 1,n
stemp = c*sx(i) + s*sy(i)
sy(i) = c*sy(i) - s*sx(i)
sx(i) = stemp
END DO
ELSE
ix = 1
iy = 1
IF (incx.LT.0) ix = (-n+1)*incx + 1
IF (incy.LT.0) iy = (-n+1)*incy + 1
DO i = 1,n
stemp = c*sx(ix) + s*sy(iy)
sy(iy) = c*sy(iy) - s*sx(ix)
sx(ix) = stemp
ix = ix + incx
iy = iy + incy
END DO
END IF
RETURN
END
SUBROUTINE srotm(N,SX,INCX,SY,INCY,SPARAM)
*
* --Reference BLAS level1 routine (version 3.8.0) --
* --Reference BLAS is a software package provided by Univ. of Tennessee, --
* --Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
* November 2017
*
* .. Scalar Arguments ..
INTEGER INCX,INCY,N
* ..
* .. Array Arguments ..
REAL SPARAM(5),SX(*),SY(*)
* ..
*
* ====================================================================
*
* .. Local Scalars ..
REAL SFLAG,SH11,SH12,SH21,SH22,TWO,W,Z,ZERO
INTEGER I,KX,KY,NSTEPS
* ..
* .. Data statements ..
DATA zero,two/0.e0,2.e0/
* ..
*
sflag = sparam(1)
IF (n.LE.0 .OR. (sflag+two.EQ.zero)) RETURN
IF (incx.EQ.incy.AND.incx.GT.0) THEN
*
nsteps = n*incx
IF (sflag.LT.zero) THEN
sh11 = sparam(2)
sh12 = sparam(4)
sh21 = sparam(3)
sh22 = sparam(5)
DO i = 1,nsteps,incx
w = sx(i)
z = sy(i)
sx(i) = w*sh11 + z*sh12
sy(i) = w*sh21 + z*sh22
END DO
ELSE IF (sflag.EQ.zero) THEN
sh12 = sparam(4)
sh21 = sparam(3)
DO i = 1,nsteps,incx
w = sx(i)
z = sy(i)
sx(i) = w + z*sh12
sy(i) = w*sh21 + z
END DO
ELSE
sh11 = sparam(2)
sh22 = sparam(5)
DO i = 1,nsteps,incx
w = sx(i)
z = sy(i)
sx(i) = w*sh11 + z
sy(i) = -w + sh22*z
END DO
END IF
ELSE
kx = 1
ky = 1
IF (incx.LT.0) kx = 1 + (1-n)*incx
IF (incy.LT.0) ky = 1 + (1-n)*incy
*
IF (sflag.LT.zero) THEN
sh11 = sparam(2)
sh12 = sparam(4)
sh21 = sparam(3)
sh22 = sparam(5)
DO i = 1,n
w = sx(kx)
z = sy(ky)
sx(kx) = w*sh11 + z*sh12
sy(ky) = w*sh21 + z*sh22
kx = kx + incx
ky = ky + incy
END DO
ELSE IF (sflag.EQ.zero) THEN
sh12 = sparam(4)
sh21 = sparam(3)
DO i = 1,n
w = sx(kx)
z = sy(ky)
sx(kx) = w + z*sh12
sy(ky) = w*sh21 + z
kx = kx + incx
ky = ky + incy
END DO
ELSE
sh11 = sparam(2)
sh22 = sparam(5)
DO i = 1,n
w = sx(kx)
z = sy(ky)
sx(kx) = w*sh11 + z
sy(ky) = -w + sh22*z
kx = kx + incx
ky = ky + incy
END DO
END IF
END IF
RETURN
END