OpenBLAS/ctest/c_dblat1.f

756 lines
28 KiB
Fortran

PROGRAM DCBLAT1
* Test program for the DOUBLE PRECISION 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 ..
DOUBLE PRECISION 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/9.765625D-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
CALL ABORT
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_DDOT'/
DATA L(2)/'CBLAS_DAXPY '/
DATA L(3)/'CBLAS_DROTG '/
DATA L(4)/'CBLAS_DROT '/
DATA L(5)/'CBLAS_DCOPY '/
DATA L(6)/'CBLAS_DSWAP '/
DATA L(7)/'CBLAS_DNRM2 '/
DATA L(8)/'CBLAS_DASUM '/
DATA L(9)/'CBLAS_DSCAL '/
DATA L(10)/'CBLAS_IDAMAX'/
DATA L(11)/'CBLAS_DROTM'/
* .. 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 ..
DOUBLE PRECISION SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
DOUBLE PRECISION SA, SB, SC, SS
INTEGER K
* .. Local Arrays ..
DOUBLE PRECISION DA1(8), DATRUE(8), DB1(8), DBTRUE(8), DC1(8),
+ DS1(8)
* .. External Subroutines ..
EXTERNAL DROTGTEST, STEST1
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Data statements ..
DATA DA1/0.3D0, 0.4D0, -0.3D0, -0.4D0, -0.3D0, 0.0D0,
+ 0.0D0, 1.0D0/
DATA DB1/0.4D0, 0.3D0, 0.4D0, 0.3D0, -0.4D0, 0.0D0,
+ 1.0D0, 0.0D0/
DATA DC1/0.6D0, 0.8D0, -0.6D0, 0.8D0, 0.6D0, 1.0D0,
+ 0.0D0, 1.0D0/
DATA DS1/0.8D0, 0.6D0, 0.8D0, -0.6D0, 0.8D0, 0.0D0,
+ 1.0D0, 0.0D0/
DATA DATRUE/0.5D0, 0.5D0, 0.5D0, -0.5D0, -0.5D0,
+ 0.0D0, 1.0D0, 1.0D0/
DATA DBTRUE/0.0D0, 0.6D0, 0.0D0, -0.6D0, 0.0D0,
+ 0.0D0, 1.0D0, 0.0D0/
* .. Executable Statements ..
*
* Compute true values which cannot be prestored
* in decimal notation
*
DBTRUE(1) = 1.0D0/0.6D0
DBTRUE(3) = -1.0D0/0.6D0
DBTRUE(5) = 1.0D0/0.6D0
*
DO 20 K = 1, 8
* .. Set N=K for identification in output if any ..
N = K
IF (ICASE.EQ.3) THEN
* .. DROTGTEST ..
IF (K.GT.8) GO TO 40
SA = DA1(K)
SB = DB1(K)
CALL DROTGTEST(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'
CALL ABORT
END IF
20 CONTINUE
40 RETURN
END
SUBROUTINE CHECK1(SFAC)
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
DOUBLE PRECISION SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
INTEGER I, LEN, NP1
* .. Local Arrays ..
DOUBLE PRECISION 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 ..
DOUBLE PRECISION DASUMTEST, DNRM2TEST
INTEGER IDAMAXTEST
EXTERNAL DASUMTEST, DNRM2TEST, IDAMAXTEST
* .. External Subroutines ..
EXTERNAL ITEST1, DSCALTEST, STEST, STEST1
* .. Intrinsic Functions ..
INTRINSIC MAX
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Data statements ..
DATA SA/0.3D0, -1.0D0, 0.0D0, 1.0D0, 0.3D0, 0.3D0,
+ 0.3D0, 0.3D0, 0.3D0, 0.3D0/
DATA DV/0.1D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0,
+ 2.0D0, 2.0D0, 0.3D0, 3.0D0, 3.0D0, 3.0D0, 3.0D0,
+ 3.0D0, 3.0D0, 3.0D0, 0.3D0, -0.4D0, 4.0D0,
+ 4.0D0, 4.0D0, 4.0D0, 4.0D0, 4.0D0, 0.2D0,
+ -0.6D0, 0.3D0, 5.0D0, 5.0D0, 5.0D0, 5.0D0,
+ 5.0D0, 0.1D0, -0.3D0, 0.5D0, -0.1D0, 6.0D0,
+ 6.0D0, 6.0D0, 6.0D0, 0.1D0, 8.0D0, 8.0D0, 8.0D0,
+ 8.0D0, 8.0D0, 8.0D0, 8.0D0, 0.3D0, 9.0D0, 9.0D0,
+ 9.0D0, 9.0D0, 9.0D0, 9.0D0, 9.0D0, 0.3D0, 2.0D0,
+ -0.4D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0,
+ 0.2D0, 3.0D0, -0.6D0, 5.0D0, 0.3D0, 2.0D0,
+ 2.0D0, 2.0D0, 0.1D0, 4.0D0, -0.3D0, 6.0D0,
+ -0.5D0, 7.0D0, -0.1D0, 3.0D0/
DATA DTRUE1/0.0D0, 0.3D0, 0.5D0, 0.7D0, 0.6D0/
DATA DTRUE3/0.0D0, 0.3D0, 0.7D0, 1.1D0, 1.0D0/
DATA DTRUE5/0.10D0, 2.0D0, 2.0D0, 2.0D0, 2.0D0,
+ 2.0D0, 2.0D0, 2.0D0, -0.3D0, 3.0D0, 3.0D0,
+ 3.0D0, 3.0D0, 3.0D0, 3.0D0, 3.0D0, 0.0D0, 0.0D0,
+ 4.0D0, 4.0D0, 4.0D0, 4.0D0, 4.0D0, 4.0D0,
+ 0.20D0, -0.60D0, 0.30D0, 5.0D0, 5.0D0, 5.0D0,
+ 5.0D0, 5.0D0, 0.03D0, -0.09D0, 0.15D0, -0.03D0,
+ 6.0D0, 6.0D0, 6.0D0, 6.0D0, 0.10D0, 8.0D0,
+ 8.0D0, 8.0D0, 8.0D0, 8.0D0, 8.0D0, 8.0D0,
+ 0.09D0, 9.0D0, 9.0D0, 9.0D0, 9.0D0, 9.0D0,
+ 9.0D0, 9.0D0, 0.09D0, 2.0D0, -0.12D0, 2.0D0,
+ 2.0D0, 2.0D0, 2.0D0, 2.0D0, 0.06D0, 3.0D0,
+ -0.18D0, 5.0D0, 0.09D0, 2.0D0, 2.0D0, 2.0D0,
+ 0.03D0, 4.0D0, -0.09D0, 6.0D0, -0.15D0, 7.0D0,
+ -0.03D0, 3.0D0/
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
* .. DNRM2TEST ..
STEMP(1) = DTRUE1(NP1)
CALL STEST1(DNRM2TEST(N,SX,INCX),STEMP(1),STEMP,SFAC)
ELSE IF (ICASE.EQ.8) THEN
* .. DASUMTEST ..
STEMP(1) = DTRUE3(NP1)
CALL STEST1(DASUMTEST(N,SX,INCX),STEMP(1),STEMP,SFAC)
ELSE IF (ICASE.EQ.9) THEN
* .. DSCALTEST ..
CALL DSCALTEST(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
* .. IDAMAXTEST ..
CALL ITEST1(IDAMAXTEST(N,SX,INCX),ITRUE2(NP1))
ELSE
WRITE (NOUT,*) ' Shouldn''t be here in CHECK1'
CALL ABORT
END IF
60 CONTINUE
80 CONTINUE
RETURN
END
SUBROUTINE CHECK2(SFAC)
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
DOUBLE PRECISION SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
DOUBLE PRECISION SA
INTEGER I, J, KI, KN, KSIZE, LENX, LENY, MX, MY
* .. Local Arrays ..
DOUBLE PRECISION 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 ..
EXTERNAL DDOTTEST
DOUBLE PRECISION DDOTTEST
* .. External Subroutines ..
EXTERNAL DAXPYTEST, DCOPYTEST, DSWAPTEST, STEST, STEST1
* .. Intrinsic Functions ..
INTRINSIC ABS, MIN
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, MODE, PASS
* .. Data statements ..
DATA SA/0.3D0/
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 DX1/0.6D0, 0.1D0, -0.5D0, 0.8D0, 0.9D0, -0.3D0,
+ -0.4D0/
DATA DY1/0.5D0, -0.9D0, 0.3D0, 0.7D0, -0.6D0, 0.2D0,
+ 0.8D0/
DATA DT7/0.0D0, 0.30D0, 0.21D0, 0.62D0, 0.0D0,
+ 0.30D0, -0.07D0, 0.85D0, 0.0D0, 0.30D0, -0.79D0,
+ -0.74D0, 0.0D0, 0.30D0, 0.33D0, 1.27D0/
DATA DT8/0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.68D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.68D0, -0.87D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.68D0, -0.87D0, 0.15D0,
+ 0.94D0, 0.0D0, 0.0D0, 0.0D0, 0.5D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.68D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.35D0, -0.9D0, 0.48D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.38D0, -0.9D0, 0.57D0, 0.7D0, -0.75D0,
+ 0.2D0, 0.98D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.68D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.35D0, -0.72D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.38D0,
+ -0.63D0, 0.15D0, 0.88D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.68D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.68D0, -0.9D0, 0.33D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.68D0, -0.9D0, 0.33D0, 0.7D0,
+ -0.75D0, 0.2D0, 1.04D0/
DATA DT10X/0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.5D0, -0.9D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.5D0, -0.9D0, 0.3D0, 0.7D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.3D0, 0.1D0, 0.5D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.8D0, 0.1D0, -0.6D0,
+ 0.8D0, 0.3D0, -0.3D0, 0.5D0, 0.6D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.5D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, -0.9D0,
+ 0.1D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.7D0,
+ 0.1D0, 0.3D0, 0.8D0, -0.9D0, -0.3D0, 0.5D0,
+ 0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.5D0, 0.3D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.5D0, 0.3D0, -0.6D0, 0.8D0, 0.0D0, 0.0D0,
+ 0.0D0/
DATA DT10Y/0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.6D0, 0.1D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.6D0, 0.1D0, -0.5D0, 0.8D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, -0.5D0, -0.9D0, 0.6D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, -0.4D0, -0.9D0, 0.9D0,
+ 0.7D0, -0.5D0, 0.2D0, 0.6D0, 0.5D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.6D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, -0.5D0,
+ 0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ -0.4D0, 0.9D0, -0.5D0, 0.6D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.5D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.6D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.6D0, -0.9D0, 0.1D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.6D0, -0.9D0, 0.1D0, 0.7D0,
+ -0.5D0, 0.2D0, 0.8D0/
DATA SSIZE1/0.0D0, 0.3D0, 1.6D0, 3.2D0/
DATA SSIZE2/0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0,
+ 1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0,
+ 1.17D0, 1.17D0, 1.17D0/
* .. 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
* .. DDOTTEST ..
CALL STEST1(DDOTTEST(N,SX,INCX,SY,INCY),DT7(KN,KI),
+ SSIZE1(KN),SFAC)
ELSE IF (ICASE.EQ.2) THEN
* .. DAXPYTEST ..
CALL DAXPYTEST(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
* .. DCOPYTEST ..
DO 60 I = 1, 7
STY(I) = DT10Y(I,KN,KI)
60 CONTINUE
CALL DCOPYTEST(N,SX,INCX,SY,INCY)
CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0D0)
ELSE IF (ICASE.EQ.6) THEN
* .. DSWAPTEST ..
CALL DSWAPTEST(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),1.0D0)
CALL STEST(LENY,SY,STY,SSIZE2(1,1),1.0D0)
ELSE
WRITE (NOUT,*) ' Shouldn''t be here in CHECK2'
CALL ABORT
END IF
100 CONTINUE
120 CONTINUE
RETURN
END
SUBROUTINE CHECK3(SFAC)
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
DOUBLE PRECISION SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
DOUBLE PRECISION SC, SS
INTEGER I, KI, KN, KSIZE, LEN
* .. Local Arrays ..
DOUBLE PRECISION DX(10), DY(10), SSIZE2(10,2), STX(10),
+ STY(10), SX(10), SY(10),
+ PARAM(5, 4), DPARAM(5)
INTEGER INCXS(7), INCYS(7), NS(5)
* .. External Subroutines ..
EXTERNAL STEST, DROTTEST, DROT
* .. 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/
DATA DX/0.6D0, 0.1D0, -0.5D0, 0.8D0, 0.9D0, -0.3D0,
+ -0.4D0, 0.7D0, 0.5D0, 0.2D0/
DATA DY/0.5D0, -0.9D0, 0.3D0, 0.7D0, -0.6D0, 0.2D0,
+ 0.8D0, -0.5D0, 0.1D0, -0.3D0/
DATA SC, SS/0.8D0, 0.6D0/
DATA LEN/10/
DATA PARAM/-2.0D0, 1.0D0, 0.0D0, 0.0D0, 1.0D0,
+ -1.0D0, 0.2D0, 0.3D0, 0.4D0, 0.5D0,
+ 0.0D0, 1.0D0, 0.3D0, 0.4D0, 1.0D0,
+ 1.0D0, 0.2D0, -1.0D0, 1.0D0, 0.5D0/
DATA SSIZE2/0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0, 0.0D0,
+ 0.0D0, 0.0D0, 0.0D0, 0.0D0, 1.17D0, 1.17D0,
+ 1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0, 1.17D0,
+ 1.17D0, 1.17D0/
* .. Executable Statements ..
*
DO 60 KI = 1, 7
INCX = INCXS(KI)
INCY = INCYS(KI)
*
DO 40 KN = 1, 5
N = NS(KN)
KSIZE = MIN(2,KN)
*
IF (ICASE.EQ.4) THEN
* .. DROTTEST ..
DO 20 I = 1, 10
SX(I) = DX(I)
SY(I) = DY(I)
STX(I) = DX(I)
STY(I) = DY(I)
20 CONTINUE
CALL DROTTEST(N,SX,INCX,SY,INCY,SC,SS)
CALL DROT(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
* .. DROTMTEST ..
DO 90 I = 1, 10
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
DPARAM(K) = PARAM(K,I)
80 CONTINUE
CALL DROTMTEST(N,SX,INCX,SY,INCY,DPARAM)
CALL DROTM(N,STX,INCX,STY,INCY,DPARAM)
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'
CALL ABORT
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 ..
DOUBLE PRECISION SFAC
INTEGER LEN
* .. Array Arguments ..
DOUBLE PRECISION SCOMP(LEN), SSIZE(LEN), STRUE(LEN)
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, MODE, N
LOGICAL PASS
* .. Local Scalars ..
DOUBLE PRECISION SD
INTEGER I
* .. External Functions ..
DOUBLE PRECISION 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.0.0D0)
+ 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,I3,2D36.8,2D12.4)
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 ..
DOUBLE PRECISION SCOMP1, SFAC, STRUE1
* .. Array Arguments ..
DOUBLE PRECISION SSIZE(*)
* .. Local Arrays ..
DOUBLE PRECISION 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
DOUBLE PRECISION FUNCTION SDIFF(SA,SB)
* ********************************* SDIFF **************************
* COMPUTES DIFFERENCE OF TWO NUMBERS. C. L. LAWSON, JPL 1974 FEB 15
*
* .. Scalar Arguments ..
DOUBLE PRECISION 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 DROT(N,DX,INCX,DY,INCY,C,S)
* .. Scalar Arguments ..
DOUBLE PRECISION C,S
INTEGER INCX,INCY,N
* ..
* .. Array Arguments ..
DOUBLE PRECISION DX(*),DY(*)
* ..
* applies a plane rotation.
* jack dongarra, linpack, 3/11/78.
* modified 12/3/93, array(1) declarations changed to array(*)
*
* .. Local Scalars ..
DOUBLE PRECISION DTEMP
INTEGER I,IX,IY
* ..
IF (N.LE.0) RETURN
IF (INCX.EQ.1 .AND. INCY.EQ.1) GO TO 20
IX = 1
IY = 1
IF (INCX.LT.0) IX = (-N+1)*INCX + 1
IF (INCY.LT.0) IY = (-N+1)*INCY + 1
DO 10 I = 1,N
DTEMP = C*DX(IX) + S*DY(IY)
DY(IY) = C*DY(IY) - S*DX(IX)
DX(IX) = DTEMP
IX = IX + INCX
IY = IY + INCY
10 CONTINUE
RETURN
20 DO 30 I = 1,N
DTEMP = C*DX(I) + S*DY(I)
DY(I) = C*DY(I) - S*DX(I)
DX(I) = DTEMP
30 CONTINUE
RETURN
END
SUBROUTINE drotm(N,DX,INCX,DY,INCY,DPARAM)
*
* -- 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 ..
DOUBLE PRECISION DPARAM(5),DX(*),DY(*)
* ..
*
* =====================================================================
*
* .. Local Scalars ..
DOUBLE PRECISION DFLAG,DH11,DH12,DH21,DH22,TWO,W,Z,ZERO
INTEGER I,KX,KY,NSTEPS
* ..
* .. Data statements ..
DATA zero,two/0.d0,2.d0/
* ..
*
dflag = dparam(1)
IF (n.LE.0 .OR. (dflag+two.EQ.zero)) RETURN
IF (incx.EQ.incy.AND.incx.GT.0) THEN
*
nsteps = n*incx
IF (dflag.LT.zero) THEN
dh11 = dparam(2)
dh12 = dparam(4)
dh21 = dparam(3)
dh22 = dparam(5)
DO i = 1,nsteps,incx
w = dx(i)
z = dy(i)
dx(i) = w*dh11 + z*dh12
dy(i) = w*dh21 + z*dh22
END DO
ELSE IF (dflag.EQ.zero) THEN
dh12 = dparam(4)
dh21 = dparam(3)
DO i = 1,nsteps,incx
w = dx(i)
z = dy(i)
dx(i) = w + z*dh12
dy(i) = w*dh21 + z
END DO
ELSE
dh11 = dparam(2)
dh22 = dparam(5)
DO i = 1,nsteps,incx
w = dx(i)
z = dy(i)
dx(i) = w*dh11 + z
dy(i) = -w + dh22*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 (dflag.LT.zero) THEN
dh11 = dparam(2)
dh12 = dparam(4)
dh21 = dparam(3)
dh22 = dparam(5)
DO i = 1,n
w = dx(kx)
z = dy(ky)
dx(kx) = w*dh11 + z*dh12
dy(ky) = w*dh21 + z*dh22
kx = kx + incx
ky = ky + incy
END DO
ELSE IF (dflag.EQ.zero) THEN
dh12 = dparam(4)
dh21 = dparam(3)
DO i = 1,n
w = dx(kx)
z = dy(ky)
dx(kx) = w + z*dh12
dy(ky) = w*dh21 + z
kx = kx + incx
ky = ky + incy
END DO
ELSE
dh11 = dparam(2)
dh22 = dparam(5)
DO i = 1,n
w = dx(kx)
z = dy(ky)
dx(kx) = w*dh11 + z
dy(ky) = -w + dh22*z
kx = kx + incx
ky = ky + incy
END DO
END IF
END IF
RETURN
END