Update BLAS tests to correspond to Reference-LAPACK 3.9.0

replaces calculation of machine precision with call to epsilon intrinsic and removes the requirement for previous output files to be removed before rerunning tests

Author: martin-frbg

test/cblat1.f

@@ -1,7 +1,49 @@
+*> \brief \b CBLAT1
+*
+*  =========== DOCUMENTATION ===========
+*
+* Online html documentation available at
+*            http://www.netlib.org/lapack/explore-html/
+*
+*  Definition:
+*  ===========
+*
+*       PROGRAM CBLAT1
+*
+*
+*> \par Purpose:
+*  =============
+*>
+*> \verbatim
+*>
+*>    Test program for the COMPLEX Level 1 BLAS.
+*>    Based upon the original BLAS test routine together with:
+*>
+*>    F06GAF 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 complex_blas_testing
+*
+*  =====================================================================
       PROGRAM CBLAT1
-*     Test program for the COMPLEX    Level 1 BLAS.
-*     Based upon the original BLAS test routine together with:
-*     F06GAF Example Program Text
+*
+*  -- Reference BLAS test routine (version 3.7.0) --
+*  -- 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)
@@ -114,8 +156,8 @@ SUBROUTINE CHECK1(SFAC)
      +                  (5.0E0,6.0E0), (5.0E0,6.0E0), (0.1E0,0.1E0),
      +                  (-0.6E0,0.1E0), (0.1E0,-0.3E0), (7.0E0,8.0E0),
      +                  (7.0E0,8.0E0), (7.0E0,8.0E0), (7.0E0,8.0E0),
-     +                  (7.0E0,8.0E0), (0.3E0,0.1E0), (0.1E0,0.4E0),
-     +                  (0.4E0,0.1E0), (0.1E0,0.2E0), (2.0E0,3.0E0),
+     +                  (7.0E0,8.0E0), (0.3E0,0.1E0), (0.5E0,0.0E0),
+     +                  (0.0E0,0.5E0), (0.0E0,0.2E0), (2.0E0,3.0E0),
      +                  (2.0E0,3.0E0), (2.0E0,3.0E0), (2.0E0,3.0E0)/
       DATA              ((CV(I,J,2),I=1,8),J=1,5)/(0.1E0,0.1E0),
      +                  (4.0E0,5.0E0), (4.0E0,5.0E0), (4.0E0,5.0E0),
@@ -129,10 +171,10 @@ SUBROUTINE CHECK1(SFAC)
      +                  (3.0E0,6.0E0), (-0.6E0,0.1E0), (4.0E0,7.0E0),
      +                  (0.1E0,-0.3E0), (7.0E0,2.0E0), (7.0E0,2.0E0),
      +                  (7.0E0,2.0E0), (0.3E0,0.1E0), (5.0E0,8.0E0),
-     +                  (0.1E0,0.4E0), (6.0E0,9.0E0), (0.4E0,0.1E0),
-     +                  (8.0E0,3.0E0), (0.1E0,0.2E0), (9.0E0,4.0E0)/
-      DATA              STRUE2/0.0E0, 0.5E0, 0.6E0, 0.7E0, 0.7E0/
-      DATA              STRUE4/0.0E0, 0.7E0, 1.0E0, 1.3E0, 1.7E0/
+     +                  (0.5E0,0.0E0), (6.0E0,9.0E0), (0.0E0,0.5E0),
+     +                  (8.0E0,3.0E0), (0.0E0,0.2E0), (9.0E0,4.0E0)/
+      DATA              STRUE2/0.0E0, 0.5E0, 0.6E0, 0.7E0, 0.8E0/
+      DATA              STRUE4/0.0E0, 0.7E0, 1.0E0, 1.3E0, 1.6E0/
       DATA              ((CTRUE5(I,J,1),I=1,8),J=1,5)/(0.1E0,0.1E0),
      +                  (1.0E0,2.0E0), (1.0E0,2.0E0), (1.0E0,2.0E0),
      +                  (1.0E0,2.0E0), (1.0E0,2.0E0), (1.0E0,2.0E0),
@@ -145,8 +187,8 @@ SUBROUTINE CHECK1(SFAC)
      +                  (0.11E0,-0.03E0), (-0.17E0,0.46E0),
      +                  (-0.17E0,-0.19E0), (7.0E0,8.0E0), (7.0E0,8.0E0),
      +                  (7.0E0,8.0E0), (7.0E0,8.0E0), (7.0E0,8.0E0),
-     +                  (0.19E0,-0.17E0), (0.32E0,0.09E0),
-     +                  (0.23E0,-0.24E0), (0.18E0,0.01E0),
+     +                  (0.19E0,-0.17E0), (0.20E0,-0.35E0),
+     +                  (0.35E0,0.20E0), (0.14E0,0.08E0),
      +                  (2.0E0,3.0E0), (2.0E0,3.0E0), (2.0E0,3.0E0),
      +                  (2.0E0,3.0E0)/
       DATA              ((CTRUE5(I,J,2),I=1,8),J=1,5)/(0.1E0,0.1E0),
@@ -162,9 +204,9 @@ SUBROUTINE CHECK1(SFAC)
      +                  (-0.17E0,0.46E0), (4.0E0,7.0E0),
      +                  (-0.17E0,-0.19E0), (7.0E0,2.0E0), (7.0E0,2.0E0),
      +                  (7.0E0,2.0E0), (0.19E0,-0.17E0), (5.0E0,8.0E0),
-     +                  (0.32E0,0.09E0), (6.0E0,9.0E0),
-     +                  (0.23E0,-0.24E0), (8.0E0,3.0E0),
-     +                  (0.18E0,0.01E0), (9.0E0,4.0E0)/
+     +                  (0.20E0,-0.35E0), (6.0E0,9.0E0),
+     +                  (0.35E0,0.20E0), (8.0E0,3.0E0),
+     +                  (0.14E0,0.08E0), (9.0E0,4.0E0)/
       DATA              ((CTRUE6(I,J,1),I=1,8),J=1,5)/(0.1E0,0.1E0),
      +                  (1.0E0,2.0E0), (1.0E0,2.0E0), (1.0E0,2.0E0),
      +                  (1.0E0,2.0E0), (1.0E0,2.0E0), (1.0E0,2.0E0),
@@ -177,8 +219,8 @@ SUBROUTINE CHECK1(SFAC)
      +                  (0.03E0,0.03E0), (-0.18E0,0.03E0),
      +                  (0.03E0,-0.09E0), (7.0E0,8.0E0), (7.0E0,8.0E0),
      +                  (7.0E0,8.0E0), (7.0E0,8.0E0), (7.0E0,8.0E0),
-     +                  (0.09E0,0.03E0), (0.03E0,0.12E0),
-     +                  (0.12E0,0.03E0), (0.03E0,0.06E0), (2.0E0,3.0E0),
+     +                  (0.09E0,0.03E0), (0.15E0,0.00E0),
+     +                  (0.00E0,0.15E0), (0.00E0,0.06E0), (2.0E0,3.0E0),
      +                  (2.0E0,3.0E0), (2.0E0,3.0E0), (2.0E0,3.0E0)/
       DATA              ((CTRUE6(I,J,2),I=1,8),J=1,5)/(0.1E0,0.1E0),
      +                  (4.0E0,5.0E0), (4.0E0,5.0E0), (4.0E0,5.0E0),
@@ -193,8 +235,8 @@ SUBROUTINE CHECK1(SFAC)
      +                  (-0.18E0,0.03E0), (4.0E0,7.0E0),
      +                  (0.03E0,-0.09E0), (7.0E0,2.0E0), (7.0E0,2.0E0),
      +                  (7.0E0,2.0E0), (0.09E0,0.03E0), (5.0E0,8.0E0),
-     +                  (0.03E0,0.12E0), (6.0E0,9.0E0), (0.12E0,0.03E0),
-     +                  (8.0E0,3.0E0), (0.03E0,0.06E0), (9.0E0,4.0E0)/
+     +                  (0.15E0,0.00E0), (6.0E0,9.0E0), (0.00E0,0.15E0),
+     +                  (8.0E0,3.0E0), (0.00E0,0.06E0), (9.0E0,4.0E0)/
       DATA              ITRUE3/0, 1, 2, 2, 2/
 *     .. Executable Statements ..
       DO 60 INCX = 1, 2
@@ -529,7 +571,8 @@ SUBROUTINE STEST(LEN,SCOMP,STRUE,SSIZE,SFAC)
 *
 *     .. Parameters ..
       INTEGER          NOUT
-      PARAMETER        (NOUT=6)
+      REAL             ZERO
+      PARAMETER        (NOUT=6, ZERO=0.0E0)
 *     .. Scalar Arguments ..
       REAL             SFAC
       INTEGER          LEN
@@ -552,7 +595,7 @@ SUBROUTINE STEST(LEN,SCOMP,STRUE,SSIZE,SFAC)
 *
       DO 40 I = 1, LEN
          SD = SCOMP(I) - STRUE(I)
-         IF (SDIFF(ABS(SSIZE(I))+ABS(SFAC*SD),ABS(SSIZE(I))).EQ.0.0E0)
+         IF (ABS(SFAC*SD) .LE. ABS(SSIZE(I))*EPSILON(ZERO))
      +       GO TO 40
 *
 *                             HERE    SCOMP(I) IS NOT CLOSE TO STRUE(I).

test/cblat2.f

@@ -1,68 +1,114 @@
+*> \brief \b CBLAT2
+*
+*  =========== DOCUMENTATION ===========
+*
+* Online html documentation available at
+*            http://www.netlib.org/lapack/explore-html/
+*
+*  Definition:
+*  ===========
+*
+*       PROGRAM CBLAT2
+*
+*
+*> \par Purpose:
+*  =============
+*>
+*> \verbatim
+*>
+*> Test program for the COMPLEX          Level 2 Blas.
+*>
+*> The program must be driven by a short data file. The first 18 records
+*> of the file are read using list-directed input, the last 17 records
+*> are read using the format ( A6, L2 ). An annotated example of a data
+*> file can be obtained by deleting the first 3 characters from the
+*> following 35 lines:
+*> 'cblat2.out'      NAME OF SUMMARY OUTPUT FILE
+*> 6                 UNIT NUMBER OF SUMMARY FILE
+*> 'CBLA2T.SNAP'     NAME OF SNAPSHOT OUTPUT FILE
+*> -1                UNIT NUMBER OF SNAPSHOT FILE (NOT USED IF .LT. 0)
+*> F        LOGICAL FLAG, T TO REWIND SNAPSHOT FILE AFTER EACH RECORD.
+*> F        LOGICAL FLAG, T TO STOP ON FAILURES.
+*> T        LOGICAL FLAG, T TO TEST ERROR EXITS.
+*> 16.0     THRESHOLD VALUE OF TEST RATIO
+*> 6                 NUMBER OF VALUES OF N
+*> 0 1 2 3 5 9       VALUES OF N
+*> 4                 NUMBER OF VALUES OF K
+*> 0 1 2 4           VALUES OF K
+*> 4                 NUMBER OF VALUES OF INCX AND INCY
+*> 1 2 -1 -2         VALUES OF INCX AND INCY
+*> 3                 NUMBER OF VALUES OF ALPHA
+*> (0.0,0.0) (1.0,0.0) (0.7,-0.9)       VALUES OF ALPHA
+*> 3                 NUMBER OF VALUES OF BETA
+*> (0.0,0.0) (1.0,0.0) (1.3,-1.1)       VALUES OF BETA
+*> CGEMV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CGBMV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CHEMV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CHBMV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CHPMV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CTRMV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CTBMV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CTPMV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CTRSV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CTBSV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CTPSV  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CGERC  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CGERU  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CHER   T PUT F FOR NO TEST. SAME COLUMNS.
+*> CHPR   T PUT F FOR NO TEST. SAME COLUMNS.
+*> CHER2  T PUT F FOR NO TEST. SAME COLUMNS.
+*> CHPR2  T PUT F FOR NO TEST. SAME COLUMNS.
+*>
+*> Further Details
+*> ===============
+*>
+*>    See:
+*>
+*>       Dongarra J. J., Du Croz J. J., Hammarling S.  and Hanson R. J..
+*>       An  extended  set of Fortran  Basic Linear Algebra Subprograms.
+*>
+*>       Technical  Memoranda  Nos. 41 (revision 3) and 81,  Mathematics
+*>       and  Computer Science  Division,  Argonne  National Laboratory,
+*>       9700 South Cass Avenue, Argonne, Illinois 60439, US.
+*>
+*>       Or
+*>
+*>       NAG  Technical Reports TR3/87 and TR4/87,  Numerical Algorithms
+*>       Group  Ltd.,  NAG  Central  Office,  256  Banbury  Road, Oxford
+*>       OX2 7DE, UK,  and  Numerical Algorithms Group Inc.,  1101  31st
+*>       Street,  Suite 100,  Downers Grove,  Illinois 60515-1263,  USA.
+*>
+*>
+*> -- Written on 10-August-1987.
+*>    Richard Hanson, Sandia National Labs.
+*>    Jeremy Du Croz, NAG Central Office.
+*>
+*>    10-9-00:  Change STATUS='NEW' to 'UNKNOWN' so that the testers
+*>              can be run multiple times without deleting generated
+*>              output files (susan)
+*> \endverbatim
+*
+*  Authors:
+*  ========
+*
+*> \author Univ. of Tennessee
+*> \author Univ. of California Berkeley
+*> \author Univ. of Colorado Denver
+*> \author NAG Ltd.
+*
+*> \date April 2012
+*
+*> \ingroup complex_blas_testing
+*
+*  =====================================================================
       PROGRAM CBLAT2
 *
-*  Test program for the COMPLEX          Level 2 Blas.
-*
-*  The program must be driven by a short data file. The first 18 records
-*  of the file are read using list-directed input, the last 17 records
-*  are read using the format ( A6, L2 ). An annotated example of a data
-*  file can be obtained by deleting the first 3 characters from the
-*  following 35 lines:
-*  'CBLAT2.SUMM'     NAME OF SUMMARY OUTPUT FILE
-*  6                 UNIT NUMBER OF SUMMARY FILE
-*  'CBLA2T.SNAP'     NAME OF SNAPSHOT OUTPUT FILE
-*  -1                UNIT NUMBER OF SNAPSHOT FILE (NOT USED IF .LT. 0)
-*  F        LOGICAL FLAG, T TO REWIND SNAPSHOT FILE AFTER EACH RECORD.
-*  F        LOGICAL FLAG, T TO STOP ON FAILURES.
-*  T        LOGICAL FLAG, T TO TEST ERROR EXITS.
-*  16.0     THRESHOLD VALUE OF TEST RATIO
-*  6                 NUMBER OF VALUES OF N
-*  0 1 2 3 5 9       VALUES OF N
-*  4                 NUMBER OF VALUES OF K
-*  0 1 2 4           VALUES OF K
-*  4                 NUMBER OF VALUES OF INCX AND INCY
-*  1 2 -1 -2         VALUES OF INCX AND INCY
-*  3                 NUMBER OF VALUES OF ALPHA
-*  (0.0,0.0) (1.0,0.0) (0.7,-0.9)       VALUES OF ALPHA
-*  3                 NUMBER OF VALUES OF BETA
-*  (0.0,0.0) (1.0,0.0) (1.3,-1.1)       VALUES OF BETA
-*  CGEMV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CGBMV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CHEMV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CHBMV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CHPMV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CTRMV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CTBMV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CTPMV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CTRSV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CTBSV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CTPSV  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CGERC  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CGERU  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CHER   T PUT F FOR NO TEST. SAME COLUMNS.
-*  CHPR   T PUT F FOR NO TEST. SAME COLUMNS.
-*  CHER2  T PUT F FOR NO TEST. SAME COLUMNS.
-*  CHPR2  T PUT F FOR NO TEST. SAME COLUMNS.
-*
-*     See:
-*
-*        Dongarra J. J., Du Croz J. J., Hammarling S.  and Hanson R. J..
-*        An  extended  set of Fortran  Basic Linear Algebra Subprograms.
-*
-*        Technical  Memoranda  Nos. 41 (revision 3) and 81,  Mathematics
-*        and  Computer Science  Division,  Argonne  National Laboratory,
-*        9700 South Cass Avenue, Argonne, Illinois 60439, US.
-*
-*        Or
-*
-*        NAG  Technical Reports TR3/87 and TR4/87,  Numerical Algorithms
-*        Group  Ltd.,  NAG  Central  Office,  256  Banbury  Road, Oxford
-*        OX2 7DE, UK,  and  Numerical Algorithms Group Inc.,  1101  31st
-*        Street,  Suite 100,  Downers Grove,  Illinois 60515-1263,  USA.
+*  -- Reference BLAS test routine (version 3.7.0) --
+*  -- Reference BLAS is a software package provided by Univ. of Tennessee,    --
+*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
+*     April 2012
 *
-*
-*  -- Written on 10-August-1987.
-*     Richard Hanson, Sandia National Labs.
-*     Jeremy Du Croz, NAG Central Office.
+*  =====================================================================
 *
 *     .. Parameters ..
       INTEGER            NIN
@@ -71,8 +117,8 @@ PROGRAM CBLAT2
       PARAMETER          ( NSUBS = 17 )
       COMPLEX            ZERO, ONE
       PARAMETER          ( ZERO = ( 0.0, 0.0 ), ONE = ( 1.0, 0.0 ) )
-      REAL               RZERO, RHALF, RONE
-      PARAMETER          ( RZERO = 0.0, RHALF = 0.5, RONE = 1.0 )
+      REAL               RZERO
+      PARAMETER          ( RZERO = 0.0 )
       INTEGER            NMAX, INCMAX
       PARAMETER          ( NMAX = 65, INCMAX = 2 )
       INTEGER            NINMAX, NIDMAX, NKBMAX, NALMAX, NBEMAX
@@ -126,7 +172,7 @@ PROGRAM CBLAT2
 *
       READ( NIN, FMT = * )SUMMRY
       READ( NIN, FMT = * )NOUT
-      OPEN( NOUT, FILE = SUMMRY, STATUS = 'NEW' )
+      OPEN( NOUT, FILE = SUMMRY, STATUS = 'UNKNOWN' )
       NOUTC = NOUT
 *
 *     Read name and unit number for snapshot output file and open file.
@@ -135,7 +181,7 @@ PROGRAM CBLAT2
       READ( NIN, FMT = * )NTRA
       TRACE = NTRA.GE.0
       IF( TRACE )THEN
-         OPEN( NTRA, FILE = SNAPS, STATUS = 'NEW' )
+         OPEN( NTRA, FILE = SNAPS, STATUS = 'UNKNOWN' )
       END IF
 *     Read the flag that directs rewinding of the snapshot file.
       READ( NIN, FMT = * )REWI
@@ -240,14 +286,7 @@ PROGRAM CBLAT2
 *
 *     Compute EPS (the machine precision).
 *
-      EPS = RONE
-   90 CONTINUE
-      IF( SDIFF( RONE + EPS, RONE ).EQ.RZERO )
-     $   GO TO 100
-      EPS = RHALF*EPS
-      GO TO 90
-  100 CONTINUE
-      EPS = EPS + EPS
+      EPS = EPSILON(RZERO)
       WRITE( NOUT, FMT = 9998 )EPS
 *
 *     Check the reliability of CMVCH using exact data.
@@ -3079,7 +3118,6 @@ LOGICAL FUNCTION LCERES( TYPE, UPLO, M, N, AA, AS, LDA )
    50    CONTINUE
       END IF
 *
-   60 CONTINUE
       LCERES = .TRUE.
       GO TO 80
    70 CONTINUE