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*> \brief \b DBLAT1
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* PROGRAM DBLAT1
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> Test program for the DOUBLE PRECISION Level 1 BLAS.
*>
*> Based upon the original BLAS test routine together with:
*> F06EAF Example Program Text
*> \endverbatim
*
* Authors:
* ========
*
*> \author Univ. of Tennessee
*> \author Univ. of California Berkeley
*> \author Univ. of Colorado Denver
*> \author NAG Ltd.
*
*> \date April 2012
*
*> \ingroup double_blas_testing
*
* =====================================================================
PROGRAM DBLAT1
*
* -- Reference BLAS test routine (version 3.4.1) --
* -- Reference BLAS is a software package provided by Univ. of Tennessee, --
* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
* April 2012
*
* =====================================================================
*
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, 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, PASS
* .. Data statements ..
DATA SFAC/9.765625D-4/
* .. Executable Statements ..
WRITE (NOUT,99999)
DO 20 IC = 1, 13
ICASE = IC
CALL HEADER
*
* .. Initialize PASS, INCX, and INCY for a new case. ..
* .. the value 9999 for INCX or INCY will appear in the ..
* .. detailed output, if any, for cases that do not involve ..
* .. these parameters ..
*
PASS = .TRUE.
INCX = 9999
INCY = 9999
IF (ICASE.EQ.3 .OR. ICASE.EQ.11) 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 .OR. ICASE.EQ.12 .OR. ICASE.EQ.13) THEN
CALL CHECK2(SFAC)
ELSE IF (ICASE.EQ.4) THEN
CALL CHECK3(SFAC)
END IF
* -- Print
IF (PASS) WRITE (NOUT,99998)
20 CONTINUE
STOP
*
99999 FORMAT (' Real BLAS Test Program Results',/1X)
99998 FORMAT (' ----- PASS -----')
END
SUBROUTINE HEADER
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, N
LOGICAL PASS
* .. Local Arrays ..
CHARACTER*6 L(13)
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, PASS
* .. Data statements ..
DATA L(1)/' DDOT '/
DATA L(2)/'DAXPY '/
DATA L(3)/'DROTG '/
DATA L(4)/' DROT '/
DATA L(5)/'DCOPY '/
DATA L(6)/'DSWAP '/
DATA L(7)/'DNRM2 '/
DATA L(8)/'DASUM '/
DATA L(9)/'DSCAL '/
DATA L(10)/'IDAMAX'/
DATA L(11)/'DROTMG'/
DATA L(12)/'DROTM '/
DATA L(13)/'DSDOT '/
* .. Executable Statements ..
WRITE (NOUT,99999) ICASE, L(ICASE)
RETURN
*
99999 FORMAT (/' Test of subprogram number',I3,12X,A6)
END
SUBROUTINE CHECK0(SFAC)
* .. Parameters ..
INTEGER NOUT
PARAMETER (NOUT=6)
* .. Scalar Arguments ..
DOUBLE PRECISION SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, N
LOGICAL PASS
* .. Local Scalars ..
DOUBLE PRECISION SA, SB, SC, SS, D12
INTEGER I, K
* .. Local Arrays ..
DOUBLE PRECISION DA1(8), DATRUE(8), DB1(8), DBTRUE(8), DC1(8),
$ DS1(8), DAB(4,9), DTEMP(9), DTRUE(9,9)
* .. External Subroutines ..
EXTERNAL DROTG, DROTMG, STEST1
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, 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/
* INPUT FOR MODIFIED GIVENS
DATA DAB/ .1D0,.3D0,1.2D0,.2D0,
A .7D0, .2D0, .6D0, 4.2D0,
B 0.D0,0.D0,0.D0,0.D0,
C 4.D0, -1.D0, 2.D0, 4.D0,
D 6.D-10, 2.D-2, 1.D5, 10.D0,
E 4.D10, 2.D-2, 1.D-5, 10.D0,
F 2.D-10, 4.D-2, 1.D5, 10.D0,
G 2.D10, 4.D-2, 1.D-5, 10.D0,
H 4.D0, -2.D0, 8.D0, 4.D0 /
* TRUE RESULTS FOR MODIFIED GIVENS
DATA DTRUE/0.D0,0.D0, 1.3D0, .2D0, 0.D0,0.D0,0.D0, .5D0, 0.D0,
A 0.D0,0.D0, 4.5D0, 4.2D0, 1.D0, .5D0, 0.D0,0.D0,0.D0,
B 0.D0,0.D0,0.D0,0.D0, -2.D0, 0.D0,0.D0,0.D0,0.D0,
C 0.D0,0.D0,0.D0, 4.D0, -1.D0, 0.D0,0.D0,0.D0,0.D0,
D 0.D0, 15.D-3, 0.D0, 10.D0, -1.D0, 0.D0, -1.D-4,
E 0.D0, 1.D0,
F 0.D0,0.D0, 6144.D-5, 10.D0, -1.D0, 4096.D0, -1.D6,
G 0.D0, 1.D0,
H 0.D0,0.D0,15.D0,10.D0,-1.D0, 5.D-5, 0.D0,1.D0,0.D0,
I 0.D0,0.D0, 15.D0, 10.D0, -1. D0, 5.D5, -4096.D0,
J 1.D0, 4096.D-6,
K 0.D0,0.D0, 7.D0, 4.D0, 0.D0,0.D0, -.5D0, -.25D0, 0.D0/
* 4096 = 2 ** 12
DATA D12 /4096.D0/
DTRUE(1,1) = 12.D0 / 130.D0
DTRUE(2,1) = 36.D0 / 130.D0
DTRUE(7,1) = -1.D0 / 6.D0
DTRUE(1,2) = 14.D0 / 75.D0
DTRUE(2,2) = 49.D0 / 75.D0
DTRUE(9,2) = 1.D0 / 7.D0
DTRUE(1,5) = 45.D-11 * (D12 * D12)
DTRUE(3,5) = 4.D5 / (3.D0 * D12)
DTRUE(6,5) = 1.D0 / D12
DTRUE(8,5) = 1.D4 / (3.D0 * D12)
DTRUE(1,6) = 4.D10 / (1.5D0 * D12 * D12)
DTRUE(2,6) = 2.D-2 / 1.5D0
DTRUE(8,6) = 5.D-7 * D12
DTRUE(1,7) = 4.D0 / 150.D0
DTRUE(2,7) = (2.D-10 / 1.5D0) * (D12 * D12)
DTRUE(7,7) = -DTRUE(6,5)
DTRUE(9,7) = 1.D4 / D12
DTRUE(1,8) = DTRUE(1,7)
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