Move LAPACK trunk into position.

1 files changed, 244 insertions, 0 deletions

diff --git a/TESTING/EIG/zerrbd.f b/TESTING/EIG/zerrbd.f
new file mode 100644
index 00000000..f8eeafe6
--- /dev/null
+++ b/TESTING/EIG/zerrbd.f
@@ -0,0 +1,244 @@
+      SUBROUTINE ZERRBD( PATH, NUNIT )
+*
+*  -- LAPACK test routine (version 3.1) --
+*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd..
+*     November 2006
+*
+*     .. Scalar Arguments ..
+      CHARACTER*3        PATH
+      INTEGER            NUNIT
+*     ..
+*
+*  Purpose
+*  =======
+*
+*  ZERRBD tests the error exits for ZGEBRD, ZUNGBR, ZUNMBR, and ZBDSQR.
+*
+*  Arguments
+*  =========
+*
+*  PATH    (input) CHARACTER*3
+*          The LAPACK path name for the routines to be tested.
+*
+*  NUNIT   (input) INTEGER
+*          The unit number for output.
+*
+*  =====================================================================
+*
+*     .. Parameters ..
+      INTEGER            NMAX, LW
+      PARAMETER          ( NMAX = 4, LW = NMAX )
+*     ..
+*     .. Local Scalars ..
+      CHARACTER*2        C2
+      INTEGER            I, INFO, J, NT
+*     ..
+*     .. Local Arrays ..
+      DOUBLE PRECISION   D( NMAX ), E( NMAX ), RW( 4*NMAX )
+      COMPLEX*16         A( NMAX, NMAX ), TP( NMAX ), TQ( NMAX ),
+     $                   U( NMAX, NMAX ), V( NMAX, NMAX ), W( LW )
+*     ..
+*     .. External Functions ..
+      LOGICAL            LSAMEN
+      EXTERNAL           LSAMEN
+*     ..
+*     .. External Subroutines ..
+      EXTERNAL           CHKXER, ZBDSQR, ZGEBRD, ZUNGBR, ZUNMBR
+*     ..
+*     .. Scalars in Common ..
+      LOGICAL            LERR, OK
+      CHARACTER(32)      SRNAMT
+      INTEGER            INFOT, NOUT
+*     ..
+*     .. Common blocks ..
+      COMMON             / INFOC / INFOT, NOUT, OK, LERR
+      COMMON             / SRNAMC / SRNAMT
+*     ..
+*     .. Intrinsic Functions ..
+      INTRINSIC          DBLE
+*     ..
+*     .. Executable Statements ..
+*
+      NOUT = NUNIT
+      WRITE( NOUT, FMT = * )
+      C2 = PATH( 2: 3 )
+*
+*     Set the variables to innocuous values.
+*
+      DO 20 J = 1, NMAX
+         DO 10 I = 1, NMAX
+            A( I, J ) = 1.D0 / DBLE( I+J )
+   10    CONTINUE
+   20 CONTINUE
+      OK = .TRUE.
+      NT = 0
+*
+*     Test error exits of the SVD routines.
+*
+      IF( LSAMEN( 2, C2, 'BD' ) ) THEN
+*
+*        ZGEBRD
+*
+         SRNAMT = 'ZGEBRD'
+         INFOT = 1
+         CALL ZGEBRD( -1, 0, A, 1, D, E, TQ, TP, W, 1, INFO )
+         CALL CHKXER( 'ZGEBRD', INFOT, NOUT, LERR, OK )
+         INFOT = 2
+         CALL ZGEBRD( 0, -1, A, 1, D, E, TQ, TP, W, 1, INFO )
+         CALL CHKXER( 'ZGEBRD', INFOT, NOUT, LERR, OK )
+         INFOT = 4
+         CALL ZGEBRD( 2, 1, A, 1, D, E, TQ, TP, W, 2, INFO )
+         CALL CHKXER( 'ZGEBRD', INFOT, NOUT, LERR, OK )
+         INFOT = 10
+         CALL ZGEBRD( 2, 1, A, 2, D, E, TQ, TP, W, 1, INFO )
+         CALL CHKXER( 'ZGEBRD', INFOT, NOUT, LERR, OK )
+         NT = NT + 4
+*
+*        ZUNGBR
+*
+         SRNAMT = 'ZUNGBR'
+         INFOT = 1
+         CALL ZUNGBR( '/', 0, 0, 0, A, 1, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         INFOT = 2
+         CALL ZUNGBR( 'Q', -1, 0, 0, A, 1, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         INFOT = 3
+         CALL ZUNGBR( 'Q', 0, -1, 0, A, 1, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         INFOT = 3
+         CALL ZUNGBR( 'Q', 0, 1, 0, A, 1, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         INFOT = 3
+         CALL ZUNGBR( 'Q', 1, 0, 1, A, 1, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         INFOT = 3
+         CALL ZUNGBR( 'P', 1, 0, 0, A, 1, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         INFOT = 3
+         CALL ZUNGBR( 'P', 0, 1, 1, A, 1, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         INFOT = 4
+         CALL ZUNGBR( 'Q', 0, 0, -1, A, 1, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         INFOT = 6
+         CALL ZUNGBR( 'Q', 2, 1, 1, A, 1, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         INFOT = 9
+         CALL ZUNGBR( 'Q', 2, 2, 1, A, 2, TQ, W, 1, INFO )
+         CALL CHKXER( 'ZUNGBR', INFOT, NOUT, LERR, OK )
+         NT = NT + 10
+*
+*        ZUNMBR
+*
+         SRNAMT = 'ZUNMBR'
+         INFOT = 1
+         CALL ZUNMBR( '/', 'L', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 2
+         CALL ZUNMBR( 'Q', '/', 'T', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 3
+         CALL ZUNMBR( 'Q', 'L', '/', 0, 0, 0, A, 1, TQ, U, 1, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 4
+         CALL ZUNMBR( 'Q', 'L', 'C', -1, 0, 0, A, 1, TQ, U, 1, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 5
+         CALL ZUNMBR( 'Q', 'L', 'C', 0, -1, 0, A, 1, TQ, U, 1, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 6
+         CALL ZUNMBR( 'Q', 'L', 'C', 0, 0, -1, A, 1, TQ, U, 1, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 8
+         CALL ZUNMBR( 'Q', 'L', 'C', 2, 0, 0, A, 1, TQ, U, 2, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 8
+         CALL ZUNMBR( 'Q', 'R', 'C', 0, 2, 0, A, 1, TQ, U, 1, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 8
+         CALL ZUNMBR( 'P', 'L', 'C', 2, 0, 2, A, 1, TQ, U, 2, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 8
+         CALL ZUNMBR( 'P', 'R', 'C', 0, 2, 2, A, 1, TQ, U, 1, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 11
+         CALL ZUNMBR( 'Q', 'R', 'C', 2, 0, 0, A, 1, TQ, U, 1, W, 1,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 13
+         CALL ZUNMBR( 'Q', 'L', 'C', 0, 2, 0, A, 1, TQ, U, 1, W, 0,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         INFOT = 13
+         CALL ZUNMBR( 'Q', 'R', 'C', 2, 0, 0, A, 1, TQ, U, 2, W, 0,
+     $                INFO )
+         CALL CHKXER( 'ZUNMBR', INFOT, NOUT, LERR, OK )
+         NT = NT + 13
+*
+*        ZBDSQR
+*
+         SRNAMT = 'ZBDSQR'
+         INFOT = 1
+         CALL ZBDSQR( '/', 0, 0, 0, 0, D, E, V, 1, U, 1, A, 1, RW,
+     $                INFO )
+         CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK )
+         INFOT = 2
+         CALL ZBDSQR( 'U', -1, 0, 0, 0, D, E, V, 1, U, 1, A, 1, RW,
+     $                INFO )
+         CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK )
+         INFOT = 3
+         CALL ZBDSQR( 'U', 0, -1, 0, 0, D, E, V, 1, U, 1, A, 1, RW,
+     $                INFO )
+         CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK )
+         INFOT = 4
+         CALL ZBDSQR( 'U', 0, 0, -1, 0, D, E, V, 1, U, 1, A, 1, RW,
+     $                INFO )
+         CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK )
+         INFOT = 5
+         CALL ZBDSQR( 'U', 0, 0, 0, -1, D, E, V, 1, U, 1, A, 1, RW,
+     $                INFO )
+         CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK )
+         INFOT = 9
+         CALL ZBDSQR( 'U', 2, 1, 0, 0, D, E, V, 1, U, 1, A, 1, RW,
+     $                INFO )
+         CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK )
+         INFOT = 11
+         CALL ZBDSQR( 'U', 0, 0, 2, 0, D, E, V, 1, U, 1, A, 1, RW,
+     $                INFO )
+         CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK )
+         INFOT = 13
+         CALL ZBDSQR( 'U', 2, 0, 0, 1, D, E, V, 1, U, 1, A, 1, RW,
+     $                INFO )
+         CALL CHKXER( 'ZBDSQR', INFOT, NOUT, LERR, OK )
+         NT = NT + 8
+      END IF
+*
+*     Print a summary line.
+*
+      IF( OK ) THEN
+         WRITE( NOUT, FMT = 9999 )PATH, NT
+      ELSE
+         WRITE( NOUT, FMT = 9998 )PATH
+      END IF
+*
+ 9999 FORMAT( 1X, A3, ' routines passed the tests of the error exits (',
+     $        I3, ' tests done)' )
+ 9998 FORMAT( ' *** ', A3, ' routines failed the tests of the error ',
+     $        'exits ***' )
+*
+      RETURN
+*
+*     End of ZERRBD
+*
+      END