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*> \brief \b SBLAT1
*
* =========== DOCUMENTATION ===========
*
* Online html documentation available at
* http://www.netlib.org/lapack/explore-html/
*
* Definition:
* ===========
*
* PROGRAM SBLAT1
*
*
*> \par Purpose:
* =============
*>
*> \verbatim
*>
*> Test program for the REAL 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 single_blas_testing
*
* =====================================================================
PROGRAM SBLAT1
*
* -- 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 ..
REAL SFAC
INTEGER IC
* .. External Subroutines ..
EXTERNAL CHECK0, CHECK1, CHECK2, CHECK3, HEADER
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, PASS
* .. Data statements ..
DATA SFAC/9.765625E-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)/' SDOT '/
DATA L(2)/'SAXPY '/
DATA L(3)/'SROTG '/
DATA L(4)/' SROT '/
DATA L(5)/'SCOPY '/
DATA L(6)/'SSWAP '/
DATA L(7)/'SNRM2 '/
DATA L(8)/'SASUM '/
DATA L(9)/'SSCAL '/
DATA L(10)/'ISAMAX'/
DATA L(11)/'SROTMG'/
DATA L(12)/'SROTM '/
DATA L(13)/'SDSDOT'/
* .. 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 ..
REAL SFAC
* .. Scalars in Common ..
INTEGER ICASE, INCX, INCY, N
LOGICAL PASS
* .. Local Scalars ..
REAL D12, SA, SB, SC, SS
INTEGER I, K
* .. Local Arrays ..
REAL DA1(8), DATRUE(8), DB1(8), DBTRUE(8), DC1(8),
+ DS1(8), DAB(4,9), DTEMP(9), DTRUE(9,9)
* .. External Subroutines ..
EXTERNAL SROTG, SROTMG, STEST1
* .. Common blocks ..
COMMON /COMBLA/ICASE, N, INCX, INCY, 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/
* INPUT FOR MODIFIED GIVENS
DATA DAB/ .1E0,.3E0,1.2E0,.2E0,
A .7E0, .2E0, .6E0, 4.2E0,
B 0.E0,0.E0,0.E0,0.E0,
C 4.E0, -1.E0, 2.E0, 4.E0,
D 6.E-10, 2.E-2, 1.E5, 10.E0,
E 4.E10, 2.E-2, 1.E-5, 10.E0,
F 2.E-10, 4.E-2, 1.E5, 10.E0,
G 2.E10, 4.E-2, 1.E-5, 10.E0,
H 4.E0, -2.E0, 8.E0, 4.E0 /
* TRUE RESULTS FOR MODIFIED GIVENS
DATA DTRUE/0.E0,0.E0, 1.3E0, .2E0, 0.E0,0.E0,0.E0, .5E0, 0.E0,
A 0.E0,0.E0, 4.5E0, 4.2E0, 1.E0, .5E0, 0.E0,0.E0,0.E0,
B 0.E0,0.E0,0.E0,0.E0, -2.E0, 0.E0,0.E0,0.E0,0.E0,
C 0.E0,0.E0,0.E0, 4.E0, -1.E0, 0.E0,0.E0,0.E0,0.E0,
D 0.E0, 15.E-3, 0.E0, 10.E0, -1.E0, 0.E0, -1.E-4,
E 0.E0, 1.E0,
F 0.E0,0.E0, 6144.E-5, 10.E0, -1.E0, 4096.E0, -1.E6,
G 0.E0, 1.E0,
H 0.E0,0.E0,15.E0,10.E0,-1.E0, 5.E-5, 0.E0,1.E0,0.E0,
I 0.E0,0.E0, 15.E0, 10.E0, -1. E0, 5.E5, -4096.E0,
J 1.E0, 4096.E-6,
K 0.E0,0.E0, 7.E0, 4.E0, 0.E0,0.E0, -.5E0, -.25E0, 0.E0/
* 4096 = 2 ** 12
DATA D12 /4096.E0/
DTRUE(1,1) = 12.E0 / 130.E0
DTRUE(2,1) = 36.E0 / 130.E0
DTRUE(7,1) = -1.E0 / 6.E0
DTRUE(1,2) = 14.E0 / 75.E0
DTRUE(2,2) = 49.E0 / 75.E0
DTRUE(9,2) = 1.E0 / 7.E0
DTRUE(1,5) = 45.E-11 * (D12 * D12)
DTRUE(3,5) = 4.E5 / (3.E0 * D12)
DTRUE(6,5) = 1.E0 / D12
DTRUE(8,5) = 1.E4 / (3.E0 * D12)
DTRUE(1,6) = 4.E10 / (1.5E0 * D12 * D12)
DTRUE(2,6) = 2.E-2 / 1.5E0
DTRUE(8,6) = 5.E-7 * D12
DTRUE(1,7) = 4.E0 / 150.E0
DTRUE(2,7) = (2.E-10 / 1.5E0) * (D12 * D12)
DTRUE(7,7) = -DTRUE(6,5)
DTRUE(9,7) = 1.E4 / D12
DTRUE(1,8) = DTRUE(1,7)
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